/* roulang page: index */
:root {
            --primary: #173C34;
            --primary-dark: #0F2A26;
            --primary-light: #1E5145;
            --accent: #C49A6C;
            --accent-dark: #B98A5A;
            --accent-soft: rgba(196, 154, 108, 0.12);
            --bg: #FAF8F3;
            --bg-white: #FDFCFA;
            --text: #2B2B28;
            --text-secondary: #5A5A55;
            --text-muted: #8A8A82;
            --border: #E8E4DD;
            --border-strong: #D8D2C8;
            --shadow-sm: 0 2px 8px rgba(15, 42, 38, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 42, 38, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 42, 38, 0.12);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "JetBrains Mono", monospace;
            --section-space: 100px;
            --section-space-mobile: 60px;
            --container-max: 1200px;
            --transition: 0.25s ease-out;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--accent-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-dark {
            background: var(--primary-dark);
            color: #F5F0E8;
        }

        .section-dark a {
            color: #D4C5B0;
        }

        .section-dark a:hover {
            color: var(--accent);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-title .accent-line {
            display: inline-block;
            width: 32px;
            height: 3px;
            background: var(--accent);
            margin-right: 12px;
            vertical-align: middle;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #FDFCFA;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-accent {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #1A1A1A;
        }

        .btn-sm {
            min-height: 38px;
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            min-height: 56px;
            padding: 16px 32px;
            font-size: 16px;
        }

        .btn:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--accent-soft);
            border: 1px solid rgba(196, 154, 108, 0.3);
            transition: all var(--transition);
        }

        .tag:hover {
            background: var(--accent);
            color: #1A1A1A;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--accent-dark);
            letter-spacing: 0.8px;
            text-transform: uppercase;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            position: relative;
            cursor: pointer;
            transition: color var(--transition);
        }

        .read-more::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .read-more:hover {
            color: var(--accent-dark);
        }

        .read-more:hover::after {
            width: 100%;
        }

        /* Header */
        .site-header {
            background: rgba(250, 248, 243, 0.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
        }

        .logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo .logo-dot {
            color: var(--accent);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.3px;
            transition: color var(--transition);
        }

        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .nav-list a:hover {
            color: var(--primary);
        }

        .nav-list a:hover::after {
            width: 100%;
        }

        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-list a.active::after {
            width: 100%;
            background: var(--accent);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 1.5px;
            background: var(--primary-dark);
            transition: all var(--transition);
        }

        .mobile-nav {
            display: none;
            background: var(--bg);
            border-top: 1px solid var(--border);
            padding: 20px 24px;
        }

        .mobile-nav.open {
            display: block;
        }

        .mobile-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-nav li {
            border-bottom: 1px solid var(--border);
        }

        .mobile-nav li:last-child {
            border-bottom: none;
        }

        .mobile-nav a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: color var(--transition);
        }

        .mobile-nav a:hover {
            color: var(--accent-dark);
        }

        .mobile-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero */
        .hero {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding: 80px 0 100px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.25;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(15, 42, 38, 0.65) 0%, rgba(15, 42, 38, 0.9) 100%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.4fr 1fr;
            gap: 40px;
            align-items: center;
            text-align: center;
        }

        .hero-center {
            text-align: center;
        }

        .hero h1 {
            font-family: var(--font-serif);
            font-size: 56px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.5px;
            color: #FDFCFA;
            margin-bottom: 20px;
        }

        .hero h1 .highlight {
            color: var(--accent);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.85);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-cta-group .btn {
            min-height: 52px;
            padding: 14px 28px;
            font-size: 16px;
        }

        .hero-data-row {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
            font-family: var(--font-mono);
            font-size: 13px;
            color: rgba(245, 240, 232, 0.7);
        }

        .hero-side {
            text-align: left;
        }

        .hero-side-item {
            margin-bottom: 24px;
            padding-left: 16px;
            border-left: 2px solid var(--accent);
        }

        .hero-side-item .label {
            font-size: 12px;
            font-family: var(--font-mono);
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .hero-side-item .value {
            font-size: 15px;
            color: rgba(245, 240, 232, 0.9);
            line-height: 1.6;
        }

        .hero-right {
            text-align: right;
        }

        .hero-right .hero-side-item {
            border-left: none;
            border-right: 2px solid var(--accent);
            padding-left: 0;
            padding-right: 16px;
        }

        .hero-stage {
            background: rgba(250, 248, 243, 0.08);
            border: 1px solid rgba(196, 154, 108, 0.3);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            aspect-ratio: 16/10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-stage img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.8;
        }

        .hero-stage .stage-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(15, 42, 38, 0.7));
            text-align: left;
        }

        .hero-stage .stage-overlay span {
            font-size: 12px;
            font-family: var(--font-mono);
            color: #E8D9C4;
            letter-spacing: 1px;
        }

        /* Trust Bar */
        .trust-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }

        .trust-bar-grid {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .trust-item .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        /* Info Directory */
        .directory-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .directory-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            text-align: center;
            position: relative;
        }

        .directory-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .directory-card .card-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 18px;
            color: var(--primary);
            font-weight: 700;
        }

        .directory-card .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .directory-card .card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .directory-card .card-link {
            position: absolute;
            inset: 0;
            border-radius: var(--radius-md);
        }

        /* Value Points */
        .value-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .value-item {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .value-item:first-child {
            border-top: 1px solid var(--border);
        }

        .value-item:hover {
            padding-left: 8px;
        }

        .value-number {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 300;
            color: var(--accent);
            line-height: 1;
            min-width: 48px;
            flex-shrink: 0;
        }

        .value-content {
            flex: 1;
        }

        .value-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 8px;
            font-family: var(--font-serif);
        }

        .value-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Scene Demo */
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .scene-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            position: relative;
            aspect-ratio: 3/2;
        }

        .scene-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease-out;
        }

        .scene-image:hover img {
            transform: scale(1.02);
        }

        .scene-image .caption-tag {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(15, 42, 38, 0.75);
            color: #FDFCFA;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
        }

        .scene-text {
            padding: 20px 0;
        }

        .scene-text h3 {
            font-size: 24px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 16px;
            font-family: var(--font-serif);
        }

        .scene-text p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .scene-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* Brand Intro */
        .brand-intro {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px;
            position: relative;
        }

        .brand-intro::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent);
            border-radius: var(--radius-lg) 0 0 var(--radius-lg);
        }

        .brand-intro h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 20px;
        }

        .brand-intro p {
            font-size: 16px;
            color: var(--text);
            line-height: 2;
            margin-bottom: 16px;
        }

        .brand-intro p:last-child {
            margin-bottom: 0;
        }

        .brand-intro .brand-highlight {
            color: var(--accent-dark);
            font-weight: 600;
        }

        /* News */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .news-item:first-child {
            border-top: 1px solid var(--border);
        }

        .news-item:hover {
            background: rgba(196, 154, 108, 0.04);
            padding-left: 8px;
        }

        .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-dark);
            min-width: 90px;
            padding-top: 4px;
            flex-shrink: 0;
        }

        .news-content {
            flex: 1;
        }

        .news-content h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .news-side {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            align-self: start;
            position: sticky;
            top: 88px;
        }

        .news-side h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 16px;
            font-family: var(--font-serif);
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }

        .news-side-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-side-item a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            transition: color var(--transition);
        }

        .news-side-item a:hover {
            color: var(--accent-dark);
        }

        .news-side-item .side-date {
            font-family: var(--font-mono);
            font-size: 11px;
            color: var(--text-muted);
            display: block;
            margin-top: 2px;
        }

        /* Social Proof */
        .social-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .social-stat {
            text-align: center;
            padding: 32px 20px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--bg-white);
            transition: all var(--transition);
        }

        .social-stat:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }

        .social-stat .stat-number {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: var(--accent-dark);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .social-stat .stat-unit {
            font-size: 14px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        .social-stat .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        .quote-block {
            margin-top: 40px;
            padding: 32px 40px;
            border-left: 3px solid var(--accent);
            background: rgba(196, 154, 108, 0.06);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
        }

        .quote-block p {
            font-size: 16px;
            font-style: italic;
            color: var(--text-secondary);
            line-height: 1.9;
            margin: 0;
        }

        .quote-block .quote-author {
            display: block;
            margin-top: 12px;
            font-size: 13px;
            font-style: normal;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        /* Deep Content */
        .deep-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .deep-content h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 24px;
            padding-left: 16px;
            border-left: 3px solid var(--accent);
        }

        .deep-content h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 12px;
        }

        .deep-content p {
            font-size: 16px;
            color: var(--text);
            line-height: 2;
            margin-bottom: 20px;
        }

        .deep-content .first-letter::first-letter {
            font-size: 56px;
            font-weight: 700;
            color: var(--primary);
            float: left;
            margin-right: 8px;
            line-height: 1;
            font-family: var(--font-serif);
        }

        .deep-content ul {
            list-style: none;
            padding-left: 0;
            margin: 16px 0 24px;
        }

        .deep-content ul li {
            padding-left: 20px;
            position: relative;
            font-size: 16px;
            color: var(--text);
            line-height: 1.9;
            margin-bottom: 8px;
        }

        .deep-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 12px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .deep-content blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            border-left: 3px solid var(--accent);
            background: rgba(196, 154, 108, 0.05);
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-dark);
            font-family: var(--font-sans);
        }

        .faq-question:hover {
            color: var(--accent-dark);
        }

        .faq-question .faq-icon {
            font-size: 20px;
            font-weight: 300;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-question.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0;
        }

        .faq-answer.open {
            max-height: 400px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            padding-bottom: 20px;
            margin: 0;
        }

        /* Lead Form */
        .lead-section {
            background: var(--primary-dark);
            color: #F5F0E8;
        }

        .lead-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .lead-info h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: #FDFCFA;
            margin-bottom: 16px;
        }

        .lead-info p {
            font-size: 15px;
            color: rgba(245, 240, 232, 0.8);
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .lead-info ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .lead-info ul li {
            padding-left: 20px;
            position: relative;
            font-size: 14px;
            color: rgba(245, 240, 232, 0.85);
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .lead-info ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .lead-form {
            background: rgba(250, 248, 243, 0.06);
            border: 1px solid rgba(196, 154, 108, 0.25);
            border-radius: var(--radius-md);
            padding: 32px;
        }

        .lead-form .form-title {
            font-size: 18px;
            font-weight: 600;
            color: #FDFCFA;
            margin-bottom: 20px;
            font-family: var(--font-serif);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: rgba(245, 240, 232, 0.8);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            min-height: 44px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(196, 154, 108, 0.35);
            background: rgba(250, 248, 243, 0.08);
            color: #F5F0E8;
            font-size: 14px;
            transition: all var(--transition);
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(196, 154, 108, 0.2);
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23C49A6C' stroke-width='1.5'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        .lead-form .btn {
            width: 100%;
            margin-top: 8px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(245, 240, 232, 0.75);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(196, 154, 108, 0.3);
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: #FDFCFA;
            margin-bottom: 12px;
        }

        .footer-brand .logo-dot {
            color: var(--accent);
        }

        .footer-brand-desc {
            font-size: 14px;
            color: rgba(245, 240, 232, 0.6);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 360px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            margin-bottom: 24px;
            padding-bottom: 24px;
            border-bottom: 1px solid rgba(196, 154, 108, 0.2);
        }

        .footer-links a {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.7);
            position: relative;
            transition: color var(--transition);
        }

        .footer-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-links a:hover::after {
            width: 100%;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            font-size: 12px;
            color: rgba(245, 240, 232, 0.5);
            font-family: var(--font-mono);
        }

        .footer-bottom a {
            color: rgba(245, 240, 232, 0.6);
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Fixed CTA Bar */
        .fixed-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--primary-dark);
            color: #FDFCFA;
            padding: 12px 24px;
            z-index: 90;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transform: translateY(100%);
            transition: transform 0.3s ease-out;
            border-top: 1px solid rgba(196, 154, 108, 0.3);
            min-height: 64px;
        }

        .fixed-cta.visible {
            transform: translateY(0);
        }

        .fixed-cta .cta-text {
            font-size: 14px;
            font-weight: 500;
            color: rgba(245, 240, 232, 0.9);
        }

        .fixed-cta .btn {
            flex-shrink: 0;
            min-height: 40px;
            padding: 8px 20px;
            font-size: 13px;
        }

        .fixed-cta .cta-close {
            background: none;
            border: none;
            color: rgba(245, 240, 232, 0.6);
            font-size: 20px;
            cursor: pointer;
            padding: 4px;
            line-height: 1;
            transition: color var(--transition);
            flex-shrink: 0;
        }

        .fixed-cta .cta-close:hover {
            color: #FDFCFA;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-space: 72px;
            }

            .hero h1 {
                font-size: 40px;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-side,
            .hero-right {
                text-align: left;
            }

            .hero-right .hero-side-item {
                border-left: 2px solid var(--accent);
                border-right: none;
                padding-left: 16px;
                padding-right: 0;
            }

            .hero-side {
                display: flex;
                gap: 16px;
                flex-wrap: wrap;
            }

            .hero-side .hero-side-item {
                flex: 1;
                min-width: 200px;
                margin-bottom: 0;
            }

            .directory-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scene-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .social-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .lead-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 56px;
            }

            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .nav-list {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero {
                padding: 60px 0 70px;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-cta-group {
                flex-direction: column;
                gap: 12px;
            }

            .hero-cta-group .btn {
                width: 100%;
                min-height: 48px;
            }

            .directory-grid {
                grid-template-columns: 1fr;
            }

            .value-item {
                flex-direction: column;
                gap: 12px;
                padding: 20px 0;
            }

            .value-number {
                font-size: 24px;
            }

            .value-content h3 {
                font-size: 18px;
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .news-side {
                position: static;
            }

            .news-item {
                flex-direction: column;
                gap: 8px;
            }

            .news-date {
                min-width: auto;
            }

            .social-grid {
                grid-template-columns: 1fr;
            }

            .brand-intro {
                padding: 28px 20px;
            }

            .quote-block {
                padding: 24px 20px;
            }

            .section-title {
                font-size: 26px;
            }

            .deep-content h2 {
                font-size: 22px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                font-size: 11px;
            }

            .fixed-cta {
                padding: 10px 16px;
                min-height: 56px;
                gap: 10px;
            }

            .fixed-cta .cta-text {
                font-size: 12px;
            }

            .fixed-cta .btn {
                font-size: 12px;
                padding: 6px 14px;
                min-height: 36px;
            }
        }

        @media (max-width: 520px) {
            .hero {
                padding: 48px 0 56px;
            }

            .hero h1 {
                font-size: 28px;
            }

            .hero-data-row {
                gap: 16px;
                font-size: 11px;
            }

            .directory-grid {
                gap: 12px;
            }

            .directory-card {
                padding: 18px;
            }

            .social-stat .stat-number {
                font-size: 32px;
            }

            .lead-form {
                padding: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #173C34;
            --primary-dark: #0F2A26;
            --primary-light: #1E5145;
            --accent: #C49A6C;
            --accent-dark: #B98A5A;
            --accent-soft: rgba(196, 154, 108, 0.12);
            --bg: #FAF8F3;
            --bg-white: #FDFCFA;
            --text: #2B2B28;
            --text-secondary: #5A5A55;
            --text-muted: #8A8A82;
            --border: #E8E4DD;
            --border-strong: #D8D2C8;
            --shadow-sm: 0 2px 8px rgba(15, 42, 38, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 42, 38, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 42, 38, 0.12);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "JetBrains Mono", monospace;
            --section-space: 100px;
            --section-space-mobile: 60px;
            --container-max: 1200px;
            --transition: 0.25s ease-out;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--accent-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-dark {
            background: var(--primary-dark);
            color: #F5F0E8;
        }

        .section-dark a {
            color: #D4C5B0;
        }

        .section-dark a:hover {
            color: var(--accent);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-title .accent-line {
            display: inline-block;
            width: 32px;
            height: 3px;
            background: var(--accent);
            margin-right: 12px;
            vertical-align: middle;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #FDFCFA;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-accent {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #1A1A1A;
        }

        .btn-sm {
            min-height: 38px;
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            min-height: 56px;
            padding: 16px 32px;
            font-size: 16px;
        }

        .btn:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--accent-soft);
            border: 1px solid rgba(196, 154, 108, 0.25);
        }

        /* Header */
        .site-header {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0 24px;
        }

        .site-header .container {
            padding-left: 0;
            padding-right: 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 24px;
        }

        .logo a {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo a:hover {
            color: var(--accent-dark);
        }

        .logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
            position: relative;
            display: inline-block;
            padding: 6px 2px;
            transition: color var(--transition);
        }

        .nav-list a:hover {
            color: var(--accent-dark);
        }

        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-list a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            align-items: flex-end;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 1.5px;
            background: var(--primary-dark);
            transition: all var(--transition);
        }

        .nav-toggle span:nth-child(2) {
            width: 18px;
        }

        /* Breadcrumb */
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            padding: 16px 0 0;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

        .breadcrumb a:hover {
            color: var(--accent-dark);
        }

        .breadcrumb .separator {
            color: var(--border-strong);
        }

        .breadcrumb .current {
            color: var(--accent-dark);
            font-weight: 500;
        }

        /* Hero */
        .hero-category {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: linear-gradient(135deg, rgba(15, 42, 38, 0) 0%, rgba(30, 81, 69, 0.35) 100%);
            pointer-events: none;
        }

        .hero-category .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 40px;
            align-items: center;
        }

        .hero-category h1 {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin: 0 0 16px;
            color: #FFFFFF;
        }

        .hero-category .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: #D4C5B0;
            max-width: 560px;
            margin-bottom: 24px;
        }

        .hero-category .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-category .hero-figure {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(196, 154, 108, 0.3);
            height: 280px;
            background: rgba(255, 255, 255, 0.05);
        }

        .hero-category .hero-figure img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Story Timeline */
        .story-timeline {
            list-style: none;
            margin: 0;
            padding: 0;
            position: relative;
        }

        .story-timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 1px;
            background: var(--border);
        }

        .story-timeline li {
            position: relative;
            padding-left: 40px;
            margin-bottom: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }

        .story-timeline li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .story-timeline .timeline-dot {
            position: absolute;
            left: 4px;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--bg-white);
            box-shadow: 0 0 0 1px var(--border-strong);
        }

        .story-timeline .timeline-year {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-dark);
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
            letter-spacing: 1px;
        }

        .story-timeline h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 4px 0 8px;
        }

        .story-timeline p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Article List */
        .article-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .article-list li {
            display: grid;
            grid-template-columns: 140px 1fr auto;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            align-items: start;
        }

        .article-list li:first-child {
            padding-top: 0;
        }

        .article-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .article-list .article-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            padding-top: 4px;
        }

        .article-list .article-title {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .article-list .article-title a:hover {
            color: var(--accent-dark);
        }

        .article-list .article-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 8px;
        }

        .article-list .read-more {
            font-size: 13px;
            color: var(--accent-dark);
            font-weight: 500;
            border-bottom: 1px solid var(--accent-dark);
            padding-bottom: 2px;
            transition: all var(--transition);
            white-space: nowrap;
            align-self: center;
        }

        .article-list .read-more:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        /* Related Tags */
        .related-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .related-tags .tag-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--border-strong);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-white);
            transition: all var(--transition);
        }

        .related-tags .tag-link:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: var(--accent-soft);
        }

        /* FAQ */
        .faq-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 20px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition);
            font-family: var(--font-sans);
        }

        .faq-question:hover {
            color: var(--accent-dark);
        }

        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--accent);
            flex-shrink: 0;
            transition: transform var(--transition);
            line-height: 1;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 0 0 20px;
            margin: 0;
        }

        /* CTA Section */
        .cta-card {
            background: var(--primary-dark);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            color: #F5F0E8;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 50%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(196, 154, 108, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-card h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 12px;
            position: relative;
        }

        .cta-card p {
            font-size: 15px;
            color: #D4C5B0;
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
        }

        .cta-card .btn {
            position: relative;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #D4C5B0;
            padding: 48px 0 32px;
            border-top: 3px solid rgba(196, 154, 108, 0.4);
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            display: block;
            margin-bottom: 8px;
        }

        .footer-brand .footer-logo:hover {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            color: #B0A898;
            margin: 0;
            line-height: 1.7;
        }

        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: flex-start;
            align-content: flex-start;
        }

        .footer-nav a {
            font-size: 13px;
            color: #D4C5B0;
            transition: color var(--transition);
        }

        .footer-nav a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(196, 154, 108, 0.2);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
            color: #8A8A82;
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom a {
            color: #B0A898;
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        .footer-bottom .footer-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        /* Fixed CTA Bar */
        .fixed-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 90;
            background: var(--primary-dark);
            color: #F5F0E8;
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(196, 154, 108, 0.3);
            transform: translateY(120px);
            opacity: 0;
            transition: all 0.3s ease-out;
            max-width: 360px;
        }

        .fixed-cta.visible {
            transform: translateY(0);
            opacity: 1;
        }

        .fixed-cta p {
            font-size: 13px;
            color: #D4C5B0;
            margin: 0;
            line-height: 1.5;
            flex: 1;
        }

        .fixed-cta .close-btn {
            background: none;
            border: none;
            color: #8A8A82;
            font-size: 18px;
            cursor: pointer;
            padding: 4px;
            line-height: 1;
            flex-shrink: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-category .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-category .hero-figure {
                height: 220px;
            }
            .hero-category h1 {
                font-size: 36px;
            }
            .section-title {
                font-size: 28px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-list li {
                grid-template-columns: 100px 1fr;
            }
            .article-list .read-more {
                grid-column: 2;
                justify-self: start;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: var(--section-space-mobile);
            }
            .header-inner {
                flex-wrap: wrap;
                min-height: 60px;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg);
                flex-direction: column;
                padding: 16px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                font-size: 16px;
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }
            .nav-list a:last-child {
                border-bottom: none;
            }
            .nav-list a.active::after {
                display: none;
            }
            .nav-list a.active {
                background: var(--accent-soft);
                padding: 12px 12px;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: flex;
            }
            .hero-category {
                padding: 32px 0 40px;
            }
            .hero-category h1 {
                font-size: 30px;
            }
            .hero-category .hero-figure {
                height: 180px;
            }
            .section-title {
                font-size: 24px;
            }
            .article-list li {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 18px 0;
            }
            .article-list .article-date {
                padding-top: 0;
            }
            .article-list .read-more {
                grid-column: 1;
                justify-self: start;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
            .fixed-cta {
                bottom: 12px;
                right: 12px;
                left: 12px;
                max-width: none;
                border-radius: var(--radius-md);
                padding: 12px 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 26px;
            }
            .hero-category .hero-subtitle {
                font-size: 14px;
            }
            .hero-category .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-category .btn {
                width: 100%;
                justify-content: center;
            }
            .story-timeline li {
                padding-left: 32px;
            }
            .story-timeline::before {
                left: 8px;
            }
            .story-timeline .timeline-dot {
                left: 0;
                width: 14px;
                height: 14px;
                border-width: 2px;
            }
            .story-timeline h3 {
                font-size: 18px;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 0;
            }
            .faq-answer p {
                font-size: 14px;
            }
            .related-tags .tag-link {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #173C34;
            --primary-dark: #0F2A26;
            --primary-light: #1E5145;
            --accent: #C49A6C;
            --accent-dark: #B98A5A;
            --accent-soft: rgba(196, 154, 108, 0.12);
            --bg: #FAF8F3;
            --bg-white: #FDFCFA;
            --text: #2B2B28;
            --text-secondary: #5A5A55;
            --text-muted: #8A8A82;
            --border: #E8E4DD;
            --border-strong: #D8D2C8;
            --shadow-sm: 0 2px 8px rgba(15, 42, 38, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 42, 38, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 42, 38, 0.12);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "JetBrains Mono", monospace;
            --section-space: 80px;
            --section-space-mobile: 56px;
            --container-max: 1200px;
            --transition: 0.25s ease-out;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--accent-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-dark {
            background: var(--primary-dark);
            color: #F5F0E8;
        }

        .section-dark a {
            color: #D4C5B0;
        }
        .section-dark a:hover {
            color: var(--accent);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-title .accent-line {
            display: inline-block;
            width: 32px;
            height: 3px;
            background: var(--accent);
            margin-right: 12px;
            vertical-align: middle;
        }

        .section-lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #FDFCFA;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-accent {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #1A1A1A;
        }

        .btn-sm {
            min-height: 38px;
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            min-height: 56px;
            padding: 16px 32px;
            font-size: 16px;
        }

        .btn:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--accent-soft);
            border: 1px solid rgba(196, 154, 108, 0.3);
            transition: all var(--transition);
        }
        .tag:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .text-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            letter-spacing: 0.3px;
            transition: color var(--transition);
        }
        .text-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent-dark);
            transition: width var(--transition);
        }
        .text-link:hover {
            color: var(--accent-dark);
        }
        .text-link:hover::after {
            width: 100%;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(250, 248, 243, 0.96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 24px;
        }

        .logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--accent-dark);
        }

        .nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-list a {
            position: relative;
            font-size: 15px;
            font-weight: 400;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition);
            display: inline-block;
            white-space: nowrap;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .nav-list a:hover {
            color: var(--accent-dark);
        }
        .nav-list a:hover::after {
            width: 100%;
        }
        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-list a.active::after {
            width: 100%;
            background: var(--accent);
        }
        .nav-list a.active::before {
            content: '';
            position: absolute;
            top: -4px;
            right: 0;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0.9;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 32px;
            height: 32px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
        }
        .hamburger span {
            display: block;
            width: 100%;
            height: 1.5px;
            background: var(--primary);
            transition: all var(--transition);
        }
        .hamburger:hover span {
            background: var(--accent-dark);
        }

        /* Mobile nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 320px;
            max-width: 85vw;
            background: var(--bg-white);
            border-left: 1px solid var(--border);
            z-index: 100;
            padding: 24px;
            overflow-y: auto;
            box-shadow: -4px 0 24px rgba(15, 42, 38, 0.12);
            transform: translateX(100%);
            transition: transform 0.3s ease-out;
        }
        .mobile-nav.open {
            transform: translateX(0);
        }
        .mobile-nav-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }
        .mobile-nav-close {
            background: transparent;
            border: none;
            font-size: 28px;
            line-height: 1;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 4px;
            transition: color var(--transition);
        }
        .mobile-nav-close:hover {
            color: var(--accent-dark);
        }
        .mobile-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .mobile-nav-list a {
            font-size: 18px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            color: var(--text);
            transition: color var(--transition), padding-left var(--transition);
            display: block;
        }
        .mobile-nav-list a:hover {
            color: var(--accent-dark);
            padding-left: 8px;
        }
        .mobile-nav-list a.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--accent);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            padding: 16px 0;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent-dark);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* Hero */
        .case-hero {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding: 60px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .case-hero::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(196, 154, 108, 0.08);
            pointer-events: none;
        }
        .case-hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }
        .case-hero-text {
            flex: 1 1 55%;
            min-width: 300px;
        }
        .case-hero-text h1 {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 16px;
            color: #F5F0E8;
            letter-spacing: -0.5px;
        }
        .case-hero-text .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.75);
            max-width: 560px;
            margin-bottom: 28px;
        }
        .case-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .case-hero-actions .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
            color: #1A1A1A;
        }
        .case-hero-actions .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
        }
        .case-hero-actions .btn-secondary {
            color: #F5F0E8;
            border-color: rgba(245, 240, 232, 0.4);
        }
        .case-hero-actions .btn-secondary:hover {
            background: #F5F0E8;
            color: var(--primary-dark);
            border-color: #F5F0E8;
        }

        .case-hero-image {
            flex: 1 1 38%;
            min-width: 280px;
            max-width: 420px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(245, 240, 232, 0.15);
            box-shadow: var(--shadow-lg);
        }
        .case-hero-image img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            display: block;
        }

        /* Intro section */
        .case-intro {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: flex-start;
        }
        .case-intro-text {
            flex: 1 1 60%;
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .case-intro-text p {
            margin-bottom: 16px;
        }
        .case-intro-stats {
            flex: 1 1 30%;
            min-width: 240px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .stat-chip {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            text-align: center;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .stat-chip:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }
        .stat-chip .stat-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-chip .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 1px;
        }

        /* Case list */
        .case-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--border-strong);
        }
        .case-item {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: flex-start;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition), padding-left var(--transition);
            cursor: pointer;
        }
        .case-item:hover {
            background: rgba(196, 154, 108, 0.04);
            padding-left: 12px;
        }
        .case-date {
            flex: 0 0 110px;
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            padding-top: 4px;
        }
        .case-content {
            flex: 1 1 auto;
            min-width: 240px;
        }
        .case-content h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .case-content p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 10px;
            line-height: 1.7;
        }
        .case-content .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }
        .case-content .case-tags .tag {
            font-size: 11px;
            padding: 2px 8px;
        }

        /* Deep intro */
        .deep-intro {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }
        .deep-intro-image {
            flex: 1 1 40%;
            min-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .deep-intro-image img {
            width: 100%;
            aspect-ratio: 3/2;
            object-fit: cover;
        }
        .deep-intro-text {
            flex: 1 1 55%;
            min-width: 300px;
        }
        .deep-intro-text h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .deep-intro-text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .deep-intro-text blockquote {
            margin: 20px 0;
            padding: 16px 20px;
            border-left: 3px solid var(--accent);
            background: var(--accent-soft);
            color: var(--text);
            font-style: italic;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        .deep-intro-text blockquote p {
            margin: 0;
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* Related tags */
        .related-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .related-tag-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-strong);
            font-size: 13px;
            color: var(--primary);
            background: var(--bg-white);
            transition: all var(--transition);
        }
        .related-tag-link:hover {
            border-color: var(--accent);
            background: var(--accent-soft);
            color: var(--accent-dark);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--border-strong);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 4px;
            cursor: pointer;
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 500;
            color: var(--primary-dark);
            transition: color var(--transition);
            user-select: none;
        }
        .faq-q:hover {
            color: var(--accent-dark);
        }
        .faq-q .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform var(--transition);
        }
        .faq-q .faq-icon::before,
        .faq-q .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--accent-dark);
            transition: transform var(--transition);
        }
        .faq-q .faq-icon::before {
            top: 50%;
            left: 0;
            width: 100%;
            height: 1.5px;
            transform: translateY(-50%);
        }
        .faq-q .faq-icon::after {
            left: 50%;
            top: 0;
            width: 1.5px;
            height: 100%;
            transform: translateX(-50%);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            padding: 0 4px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.active .faq-a {
            max-height: 300px;
            padding-bottom: 18px;
        }

        /* CTA */
        .cta-section {
            background: var(--primary-dark);
            color: #F5F0E8;
            text-align: center;
            padding: 64px 0;
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 600;
            margin-bottom: 12px;
            color: #F5F0E8;
        }
        .cta-section p {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.7);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-section .btn {
            min-height: 52px;
            padding: 14px 32px;
            font-size: 15px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #D4C5B0;
            padding: 56px 0 24px;
            margin-top: 0;
            border-top: 1px solid rgba(196, 154, 108, 0.25);
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            flex: 1 1 35%;
            min-width: 240px;
        }
        .footer-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: #F5F0E8;
            letter-spacing: 1px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-logo:hover {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(245, 240, 232, 0.6);
            line-height: 1.8;
            margin: 0;
            max-width: 280px;
        }
        .footer-nav {
            flex: 1 1 55%;
            min-width: 260px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            align-content: flex-start;
        }
        .footer-nav a {
            font-size: 14px;
            color: #D4C5B0;
            transition: color var(--transition);
            position: relative;
            padding: 2px 0;
        }
        .footer-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .footer-nav a:hover {
            color: var(--accent);
        }
        .footer-nav a:hover::after {
            width: 100%;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid rgba(245, 240, 232, 0.1);
            font-size: 12px;
            color: rgba(245, 240, 232, 0.5);
        }
        .footer-bottom a {
            color: rgba(245, 240, 232, 0.5);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-list {
                gap: 18px;
            }
            .nav-list a {
                font-size: 14px;
            }
            .case-hero-text h1 {
                font-size: 36px;
            }
            .section {
                padding-top: var(--section-space-mobile);
                padding-bottom: var(--section-space-mobile);
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                min-height: 60px;
            }
            .nav-list {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .case-hero {
                padding: 40px 0 48px;
            }
            .case-hero-inner {
                gap: 28px;
                flex-direction: column;
            }
            .case-hero-text h1 {
                font-size: 30px;
                line-height: 1.3;
            }
            .case-hero-text .hero-sub {
                font-size: 15px;
            }
            .case-hero-image {
                max-width: 100%;
                border-radius: var(--radius-md);
            }
            .section-title {
                font-size: 26px;
            }
            .case-date {
                flex: 0 0 90px;
                font-size: 12px;
            }
            .case-item {
                padding: 18px 0;
                gap: 14px;
            }
            .case-item:hover {
                padding-left: 0;
            }
            .deep-intro-text h2 {
                font-size: 24px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .case-hero-text h1 {
                font-size: 26px;
            }
            .case-hero-text .hero-sub {
                font-size: 14px;
            }
            .case-hero-actions {
                gap: 10px;
            }
            .case-hero-actions .btn {
                width: 100%;
                min-height: 44px;
                font-size: 14px;
            }
            .case-content h3 {
                font-size: 18px;
            }
            .case-date {
                flex: 1 1 100%;
                margin-bottom: 4px;
            }
            .deep-intro-text h2 {
                font-size: 22px;
            }
            .faq-q {
                font-size: 15px;
            }
            .cta-section {
                padding: 48px 0;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #173C34;
            --primary-dark: #0F2A26;
            --primary-light: #1E5145;
            --accent: #C49A6C;
            --accent-dark: #B98A5A;
            --accent-soft: rgba(196, 154, 108, 0.12);
            --bg: #FAF8F3;
            --bg-white: #FDFCFA;
            --text: #2B2B28;
            --text-secondary: #5A5A55;
            --text-muted: #8A8A82;
            --border: #E8E4DD;
            --border-strong: #D8D2C8;
            --shadow-sm: 0 2px 8px rgba(15, 42, 38, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 42, 38, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 42, 38, 0.12);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "JetBrains Mono", monospace;
            --section-space: 100px;
            --section-space-mobile: 60px;
            --container-max: 1200px;
            --transition: 0.25s ease-out;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--accent-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        .section-sm {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-dark {
            background: var(--primary-dark);
            color: #F5F0E8;
        }

        .section-dark a {
            color: #D4C5B0;
        }

        .section-dark a:hover {
            color: var(--accent);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-title .accent-line {
            display: inline-block;
            width: 32px;
            height: 3px;
            background: var(--accent);
            margin-right: 12px;
            vertical-align: middle;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #FDFCFA;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-accent {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #1A1A1A;
        }

        .btn-sm {
            min-height: 38px;
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            min-height: 56px;
            padding: 16px 32px;
            font-size: 16px;
        }

        .btn:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--accent-soft);
            border: 1px solid var(--border-strong);
        }

        .badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            background: var(--accent-soft);
            color: var(--primary);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 248, 243, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.3px;
            transition: color var(--transition);
        }

        .logo-link:hover {
            color: var(--accent-dark);
        }

        .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-list a {
            position: relative;
            display: inline-block;
            padding: 8px 0;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.3px;
            color: var(--text-secondary);
            transition: color var(--transition);
            white-space: nowrap;
        }

        .nav-list a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.2s ease-out;
        }

        .nav-list a:hover {
            color: var(--primary);
        }

        .nav-list a:hover::after {
            transform: scaleX(1);
        }

        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-list a.active::after {
            transform: scaleX(1);
            background: var(--accent);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 1.5px;
            background: var(--primary-dark);
            transition: all 0.25s ease-out;
            transform-origin: center;
        }

        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(3px, 3px);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Mobile nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg);
            z-index: 99;
            padding: 24px;
            overflow-y: auto;
            border-top: 1px solid var(--border);
        }

        .mobile-nav.open {
            display: block;
        }

        .mobile-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-nav li {
            border-bottom: 1px solid var(--border);
        }

        .mobile-nav li:last-child {
            border-bottom: none;
        }

        .mobile-nav a {
            display: block;
            padding: 16px 0;
            font-size: 18px;
            font-weight: 500;
            color: var(--text);
            transition: color var(--transition);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--accent-dark);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent-dark);
        }

        .breadcrumb .sep {
            color: var(--border-strong);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* Category Hero */
        .category-hero {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: linear-gradient(135deg, transparent 0%, rgba(196, 154, 108, 0.15) 100%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
            color: #FDFCFA;
        }

        .category-hero .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.82);
            max-width: 680px;
            margin-bottom: 24px;
        }

        .category-hero .hero-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .category-hero .hero-tags .tag {
            background: rgba(196, 154, 108, 0.18);
            border-color: rgba(196, 154, 108, 0.3);
            color: #D4C5B0;
        }

        /* Breadcrumb in dark */
        .breadcrumb-dark {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(245, 240, 232, 0.6);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb-dark a {
            color: rgba(245, 240, 232, 0.7);
            transition: color var(--transition);
        }

        .breadcrumb-dark a:hover {
            color: var(--accent);
        }

        .breadcrumb-dark .sep {
            color: rgba(245, 240, 232, 0.3);
            font-size: 12px;
        }

        .breadcrumb-dark .current {
            color: var(--accent);
            font-weight: 500;
        }

        /* Service list */
        .service-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .service-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
            border-radius: var(--radius-sm);
            padding-left: 12px;
            padding-right: 12px;
        }

        .service-item:hover {
            background: var(--bg-white);
            padding-left: 16px;
            transition: all 0.2s ease-out;
        }

        .service-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-dark);
            min-width: 90px;
            padding-top: 4px;
            letter-spacing: 0.3px;
            flex-shrink: 0;
        }

        .service-content {
            flex: 1;
            min-width: 0;
        }

        .service-content h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--primary-dark);
            margin: 0 0 8px;
            letter-spacing: -0.2px;
        }

        .service-content p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 12px;
        }

        .read-more {
            font-size: 13px;
            font-weight: 500;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
            position: relative;
        }

        .read-more::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 1px;
            background: var(--accent-dark);
            transform: scaleX(0);
            transform-origin: right center;
            transition: transform 0.2s ease-out;
        }

        .read-more:hover {
            color: var(--primary);
        }

        .read-more:hover::after {
            transform: scaleX(1);
            transform-origin: left center;
            background: var(--primary);
        }

        /* Depth section */
        .depth-section {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--border);
            margin-top: 40px;
        }

        .depth-section h2 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 20px;
            letter-spacing: -0.2px;
        }

        .depth-section p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
            margin-bottom: 18px;
        }

        .depth-section p:last-child {
            margin-bottom: 0;
        }

        .depth-section .depth-highlight {
            border-left: 3px solid var(--accent);
            padding-left: 20px;
            font-size: 15px;
            color: var(--text-secondary);
            font-style: italic;
            margin: 24px 0;
        }

        /* Related tags */
        .related-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .related-tags .label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            margin-right: 4px;
        }

        .related-tags a {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-strong);
            font-size: 13px;
            color: var(--text-secondary);
            transition: all var(--transition);
            background: var(--bg-white);
        }

        .related-tags a:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: var(--accent-soft);
        }

        /* CTA section */
        .cta-section {
            background: var(--primary-dark);
            color: #F5F0E8;
            text-align: center;
            padding: 64px 24px;
            border-radius: var(--radius-lg);
            margin-top: 48px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(196, 154, 108, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: #FDFCFA;
            margin-bottom: 14px;
            letter-spacing: -0.2px;
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.75);
            max-width: 520px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }

        .cta-section .btn {
            position: relative;
            z-index: 2;
        }

        /* FAQ */
        .faq-list {
            border-top: 1px solid var(--border);
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--primary-dark);
            text-align: left;
            transition: color var(--transition);
            font-family: var(--font-sans);
        }

        .faq-question:hover {
            color: var(--accent-dark);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent-dark);
            transition: transform 0.3s ease-out;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            padding: 0;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-secondary);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 20px;
        }

        /* Bottom fixed CTA */
        .bottom-fixed-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--primary-dark);
            color: #F5F0E8;
            z-index: 90;
            transform: translateY(100%);
            transition: transform 0.3s ease-out;
            box-shadow: 0 -4px 16px rgba(15, 42, 38, 0.18);
        }

        .bottom-fixed-cta.visible {
            transform: translateY(0);
        }

        .bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 0;
            min-height: 60px;
        }

        .bottom-cta-text {
            font-size: 14px;
            color: rgba(245, 240, 232, 0.82);
            line-height: 1.5;
        }

        .bottom-cta-text strong {
            color: #FDFCFA;
            font-weight: 600;
        }

        .bottom-cta-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .bottom-cta-actions .btn {
            min-height: 40px;
            padding: 8px 18px;
            font-size: 13px;
        }

        .cta-close-btn {
            background: transparent;
            border: none;
            color: rgba(245, 240, 232, 0.5);
            cursor: pointer;
            font-size: 16px;
            padding: 4px 8px;
            transition: color var(--transition);
            flex-shrink: 0;
            font-family: var(--font-sans);
        }

        .cta-close-btn:hover {
            color: #FDFCFA;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(245, 240, 232, 0.75);
            padding: 48px 0 32px;
            margin-top: 72px;
        }

        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(245, 240, 232, 0.12);
            margin-bottom: 24px;
        }

        .footer-brand {
            max-width: 300px;
        }

        .footer-logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #FDFCFA;
            display: inline-block;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .footer-logo:hover {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(245, 240, 232, 0.55);
            margin: 0;
        }

        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 24px;
            align-items: flex-start;
        }

        .footer-nav a {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.65);
            transition: color var(--transition);
            position: relative;
        }

        .footer-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 1px;
            background: var(--accent);
            transform: scaleX(0);
            transition: transform 0.2s ease-out;
        }

        .footer-nav a:hover {
            color: var(--accent);
        }

        .footer-nav a:hover::after {
            transform: scaleX(1);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            font-size: 12px;
            color: rgba(245, 240, 232, 0.45);
        }

        .footer-bottom a {
            color: rgba(245, 240, 232, 0.55);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        .footer-bottom .sep {
            color: rgba(245, 240, 232, 0.25);
        }

        /* Form */
        .simple-form {
            max-width: 480px;
            margin: 0 auto;
        }

        .simple-form .form-group {
            margin-bottom: 16px;
        }

        .simple-form label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .simple-form input,
        .simple-form textarea {
            width: 100%;
            min-height: 44px;
            border: 1px solid rgba(15, 42, 38, 0.2);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 15px;
            font-family: var(--font-sans);
            background: var(--bg-white);
            color: var(--text);
            transition: all var(--transition);
        }

        .simple-form textarea {
            min-height: 100px;
            resize: vertical;
        }

        .simple-form input:focus,
        .simple-form textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-soft);
        }

        /* Animation */
        .fade-in-up {
            opacity: 0;
            transform: translateY(8px);
            animation: fadeInUp 0.5s ease-out forwards;
        }

        .fade-in-up:nth-child(1) {
            animation-delay: 0.05s;
        }
        .fade-in-up:nth-child(2) {
            animation-delay: 0.1s;
        }
        .fade-in-up:nth-child(3) {
            animation-delay: 0.15s;
        }
        .fade-in-up:nth-child(4) {
            animation-delay: 0.2s;
        }
        .fade-in-up:nth-child(5) {
            animation-delay: 0.25s;
        }
        .fade-in-up:nth-child(6) {
            animation-delay: 0.3s;
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 1023px) {
            :root {
                --section-space: 72px;
            }

            .section-title {
                font-size: 28px;
            }

            .category-hero h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-space: 56px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-inner {
                height: 60px;
            }

            .logo-link {
                font-size: 18px;
            }

            .nav-list {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-nav {
                top: 60px;
            }

            .section-title {
                font-size: 24px;
            }

            .category-hero {
                padding: 40px 0 36px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .category-hero .hero-sub {
                font-size: 14px;
                line-height: 1.75;
            }

            .service-item {
                flex-direction: column;
                gap: 8px;
                padding: 20px 0;
                padding-left: 8px;
                padding-right: 8px;
            }

            .service-date {
                min-width: auto;
                padding-top: 0;
                font-size: 12px;
            }

            .service-content h3 {
                font-size: 17px;
            }

            .service-content p {
                font-size: 13px;
            }

            .depth-section {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }

            .depth-section h2 {
                font-size: 22px;
            }

            .depth-section p {
                font-size: 14px;
                line-height: 1.85;
            }

            .cta-section {
                padding: 40px 16px;
                border-radius: var(--radius-md);
            }

            .cta-section h2 {
                font-size: 22px;
            }

            .cta-section p {
                font-size: 13px;
                line-height: 1.75;
            }

            .bottom-cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 10px 0;
                min-height: auto;
            }

            .bottom-cta-text {
                font-size: 12px;
            }

            .bottom-cta-actions {
                width: 100%;
                justify-content: flex-end;
            }

            .bottom-cta-actions .btn {
                min-height: 36px;
                padding: 6px 14px;
                font-size: 12px;
            }

            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }

            .footer-nav {
                gap: 14px 18px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .breadcrumb,
            .breadcrumb-dark {
                font-size: 12px;
            }
        }

        @media (max-width: 519px) {
            .category-hero h1 {
                font-size: 22px;
            }

            .btn-lg {
                min-height: 48px;
                padding: 12px 20px;
                font-size: 14px;
            }

            .cta-section h2 {
                font-size: 20px;
            }

            .bottom-cta-text {
                font-size: 11px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #173C34;
            --primary-dark: #0F2A26;
            --primary-light: #1E5145;
            --accent: #C49A6C;
            --accent-dark: #B98A5A;
            --accent-soft: rgba(196, 154, 108, 0.12);
            --bg: #FAF8F3;
            --bg-white: #FDFCFA;
            --text: #2B2B28;
            --text-secondary: #5A5A55;
            --text-muted: #8A8A82;
            --border: #E8E4DD;
            --border-strong: #D8D2C8;
            --shadow-sm: 0 2px 8px rgba(15, 42, 38, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 42, 38, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 42, 38, 0.12);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "JetBrains Mono", monospace;
            --section-space: 72px;
            --section-space-mobile: 56px;
            --container-max: 1200px;
            --transition: 0.25s ease-out;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, input, textarea, select {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-title .accent-line {
            display: inline-block;
            width: 32px;
            height: 3px;
            background: var(--accent);
            margin-right: 12px;
            vertical-align: middle;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #FDFCFA;
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }
        .btn-accent {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #1A1A1A;
        }
        .btn:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--accent-soft);
            border: 1px solid rgba(196, 154, 108, 0.25);
        }

        /* Header / Navigation */
        .site-header {
            position: relative;
            z-index: 50;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .brand-logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            position: relative;
            width: 40px;
            height: 40px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            margin: 5px auto;
            transition: var(--transition);
            border-radius: 1px;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .site-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 28px;
            flex-wrap: wrap;
        }
        .nav-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
            position: relative;
            padding: 8px 0;
            display: inline-block;
        }
        .nav-list a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .nav-list a:hover {
            color: var(--primary);
        }
        .nav-list a:hover::after {
            width: 100%;
        }
        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-list a.active::after {
            width: 100%;
            background: var(--accent);
        }

        /* Hero */
        .category-hero {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(15,42,38,0.95) 0%, rgba(30,81,69,0.7) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            font-size: 13px;
            color: rgba(245,240,232,0.7);
            margin-bottom: 24px;
            font-family: var(--font-mono);
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #D4C5B0;
        }
        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            color: #FDFCFA;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .category-hero .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(245,240,232,0.85);
            max-width: 680px;
        }

        /* Intro section */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .intro-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .intro-text p {
            margin-bottom: 20px;
        }
        .intro-meta {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .intro-meta h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 12px;
            font-weight: 600;
        }
        .intro-meta ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .intro-meta li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .intro-meta li:last-child {
            border-bottom: none;
        }
        .intro-meta .meta-label {
            color: var(--text-muted);
        }
        .intro-meta .meta-value {
            font-weight: 500;
            color: var(--primary);
        }

        /* Article list */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .article-item {
            display: grid;
            grid-template-columns: 100px 1fr auto;
            gap: 24px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .article-item:hover {
            background: rgba(196, 154, 108, 0.04);
        }
        .article-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-dark);
            letter-spacing: 0.3px;
            padding-top: 4px;
        }
        .article-body h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-body h3 a {
            color: inherit;
            text-decoration: none;
        }
        .article-body h3 a:hover {
            color: var(--accent-dark);
        }
        .article-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .article-readmore {
            font-size: 13px;
            color: var(--accent-dark);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            position: relative;
        }
        .article-readmore::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .article-readmore:hover::after {
            width: 100%;
        }
        .article-readmore:hover {
            color: var(--primary);
        }

        /* Deep section */
        .deep-section {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px;
            margin-top: 40px;
            box-shadow: var(--shadow-sm);
        }
        .deep-section h2 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 20px;
            padding-left: 12px;
            border-left: 3px solid var(--accent);
        }
        .deep-section p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .deep-section p:last-child {
            margin-bottom: 0;
        }

        /* Related tags */
        .related-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }
        .related-tags a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-white);
            transition: all var(--transition);
        }
        .related-tags a:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: var(--accent-soft);
        }

        /* CTA */
        .cta-box {
            background: var(--primary-dark);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-top: 40px;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(196,154,108,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-box h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: #FDFCFA;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            color: rgba(245,240,232,0.8);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }
        .cta-box .btn {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(245,240,232,0.85);
            padding: 56px 0 32px;
            border-top: 1px solid rgba(196, 154, 108, 0.3);
            margin-top: 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #FDFCFA;
            letter-spacing: 1px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo:hover {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(245,240,232,0.7);
            max-width: 300px;
        }
        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            align-content: flex-start;
        }
        .footer-nav a {
            font-size: 14px;
            color: rgba(245,240,232,0.75);
            text-decoration: none;
            transition: color var(--transition);
            position: relative;
        }
        .footer-nav a::after {
            content: "";
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .footer-nav a:hover {
            color: #FDFCFA;
        }
        .footer-nav a:hover::after {
            width: 100%;
        }
        .footer-bottom {
            border-top: 1px solid rgba(245,240,232,0.15);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 13px;
            color: rgba(245,240,232,0.6);
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(245,240,232,0.75);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-item {
                grid-template-columns: 80px 1fr;
                gap: 16px;
            }
            .article-readmore {
                grid-column: 2;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-space: 56px;
            }
            .header-inner {
                min-height: 60px;
                flex-wrap: nowrap;
            }
            .nav-toggle {
                display: block;
            }
            .site-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 100;
                flex-direction: column;
                align-items: stretch;
            }
            .site-nav.is-open {
                display: flex;
            }
            .nav-list {
                flex-direction: column;
                gap: 0;
                padding: 16px 24px;
                align-items: stretch;
            }
            .nav-list a {
                display: block;
                padding: 12px 0;
                border-bottom: 1px solid var(--border);
                font-size: 16px;
            }
            .nav-list li:last-child a {
                border-bottom: none;
            }
            .category-hero {
                padding: 48px 0 40px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-sub {
                font-size: 15px;
            }
            .article-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 20px 0;
            }
            .article-date {
                font-size: 12px;
            }
            .article-readmore {
                grid-column: 1;
                margin-top: 4px;
            }
            .deep-section {
                padding: 28px 20px;
            }
            .cta-box {
                padding: 36px 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .article-body h3 {
                font-size: 17px;
            }
            .section-title {
                font-size: 26px;
            }
            .deep-section h2 {
                font-size: 22px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #173C34;
            --primary-dark: #0F2A26;
            --primary-light: #1E5145;
            --accent: #C49A6C;
            --accent-dark: #B98A5A;
            --accent-soft: rgba(196, 154, 108, 0.12);
            --bg: #FAF8F3;
            --bg-white: #FDFCFA;
            --text: #2B2B28;
            --text-secondary: #5A5A55;
            --text-muted: #8A8A82;
            --border: #E8E4DD;
            --border-strong: #D8D2C8;
            --shadow-sm: 0 2px 8px rgba(15, 42, 38, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 42, 38, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 42, 38, 0.12);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "JetBrains Mono", monospace;
            --section-space: 100px;
            --section-space-mobile: 60px;
            --container-max: 1200px;
            --transition: 0.25s ease-out;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--accent-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-dark {
            background: var(--primary-dark);
            color: #F5F0E8;
        }

        .section-dark a {
            color: #D4C5B0;
        }

        .section-dark a:hover {
            color: var(--accent);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-title .accent-line {
            display: inline-block;
            width: 32px;
            height: 3px;
            background: var(--accent);
            margin-right: 12px;
            vertical-align: middle;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #FDFCFA;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-accent {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #1A1A1A;
        }

        .btn-sm {
            min-height: 38px;
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            min-height: 56px;
            padding: 16px 32px;
            font-size: 16px;
        }

        .btn:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--accent-soft);
            border: 1px solid rgba(196, 154, 108, 0.2);
        }

        .tag:hover {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }

        /* Header / Navigation */
        .site-header {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            position: relative;
            z-index: 100;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding-top: 16px;
            padding-bottom: 16px;
        }

        .logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 1px;
            transition: color var(--transition);
        }

        .logo:hover {
            color: var(--accent-dark);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .nav-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.4px;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .nav-list a:hover {
            color: var(--accent-dark);
        }

        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.2s ease-out;
        }

        .nav-list a:hover::after,
        .nav-list a.active::after {
            width: 100%;
        }

        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            position: relative;
            width: 40px;
            height: 40px;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 1.5px;
            background: var(--primary);
            margin: 5px auto;
            transition: all 0.3s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6.5px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6.5px) rotate(-45deg);
        }

        /* Hero */
        .category-hero {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding-top: 48px;
            padding-bottom: 56px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(15,42,38,0.95) 0%, rgba(23,60,52,0.9) 50%, rgba(30,81,69,0.85) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #A8B8B0;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: #A8B8B0;
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent);
        }

        .breadcrumb .separator {
            color: #6A7A72;
        }

        .breadcrumb .current {
            color: var(--accent);
        }

        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: #FDFCFA;
        }

        .category-hero .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: #D4C5B0;
            max-width: 720px;
            margin-bottom: 24px;
        }

        .hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #A8B8B0;
            font-family: var(--font-mono);
        }

        /* Category Intro */
        .category-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .category-intro .intro-text {
            font-size: 16px;
            line-height: 2.0;
            color: var(--text-secondary);
        }

        .category-intro .intro-text strong {
            color: var(--primary);
            font-weight: 600;
        }

        .category-intro .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
        }

        .category-intro .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 3/2;
        }

        /* Deep Content */
        .deep-content {
            max-width: 860px;
            margin: 0 auto;
        }

        .deep-content .content-block {
            margin-bottom: 36px;
        }

        .deep-content .content-block h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 16px;
            position: relative;
            padding-left: 16px;
        }

        .deep-content .content-block h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .deep-content .content-block p {
            font-size: 16px;
            line-height: 2.0;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .deep-content .content-block p strong {
            color: var(--primary);
            font-weight: 600;
        }

        .deep-content .content-block ul {
            list-style: none;
            padding-left: 20px;
        }

        .deep-content .content-block ul li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
        }

        .deep-content .content-block ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .deep-content blockquote {
            border-left: 3px solid var(--accent);
            padding: 16px 20px;
            margin: 24px 0;
            background: var(--accent-soft);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            font-style: italic;
        }

        /* Stats */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            border-top: 1px solid var(--border-strong);
            border-bottom: 1px solid var(--border-strong);
        }

        .stat-item {
            padding: 32px 24px;
            text-align: center;
            border-right: 1px solid var(--border);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-number {
            font-family: var(--font-serif);
            font-size: 38px;
            font-weight: 700;
            color: var(--accent-dark);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        /* Article List */
        .article-list {
            max-width: 860px;
            margin: 0 auto;
            border-top: 1px solid var(--border-strong);
        }

        .article-item {
            display: grid;
            grid-template-columns: 120px 1fr auto;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            align-items: start;
        }

        .article-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-dark);
            padding-top: 4px;
        }

        .article-body h4 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .article-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        .article-link {
            font-size: 13px;
            color: var(--accent-dark);
            white-space: nowrap;
            position: relative;
            padding: 4px 0;
        }

        .article-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent-dark);
            transition: width 0.2s ease-out;
        }

        .article-link:hover::after {
            width: 100%;
        }

        .article-link:hover {
            color: var(--accent-dark);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            border-top: 1px solid var(--border-strong);
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 8px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-dark);
            transition: color var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
        }

        .faq-question:hover {
            color: var(--accent-dark);
        }

        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            width: 20px;
            text-align: center;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--accent-dark);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            padding: 0 8px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 8px 20px;
        }

        /* Related Tags */
        .related-tags {
            text-align: center;
        }

        .related-tags .tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 20px;
        }

        .related-tags .tag {
            font-size: 13px;
            padding: 8px 16px;
            border-radius: 20px;
            background: var(--bg-white);
            border: 1px solid var(--border-strong);
            color: var(--primary);
            transition: all var(--transition);
        }

        .related-tags .tag:hover {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        /* CTA */
        .cta-section {
            background: var(--primary-dark);
            color: #F5F0E8;
            text-align: center;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 12px;
            color: #FDFCFA;
        }

        .cta-section p {
            font-size: 15px;
            color: #D4C5B0;
            max-width: 560px;
            margin: 0 auto 28px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #D4C5B0;
            border-top: 1px solid rgba(196, 154, 108, 0.3);
            padding-top: 48px;
            padding-bottom: 32px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #FDFCFA;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #A8B8B0;
            max-width: 300px;
        }

        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            align-content: flex-start;
        }

        .footer-nav a {
            font-size: 13px;
            color: #D4C5B0;
            transition: color var(--transition);
        }

        .footer-nav a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(196, 154, 108, 0.2);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #A8B8B0;
        }

        .footer-bottom a {
            color: #D4C5B0;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-space: 72px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item {
                border-bottom: 1px solid var(--border);
            }
            .stat-item:nth-child(2) {
                border-right: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 56px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0;
                padding: 12px 0;
                border-top: 1px solid var(--border);
                margin-top: 12px;
            }
            .nav-list.show {
                display: flex;
            }
            .nav-list a {
                display: block;
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }
            .nav-list a::after {
                display: none;
            }
            .category-hero {
                padding-top: 32px;
                padding-bottom: 40px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-item {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .article-link {
                display: inline-block;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--border);
                padding: 24px 16px;
            }
            .stat-number {
                font-size: 30px;
            }
            .btn {
                min-height: 44px;
                padding: 10px 18px;
                font-size: 14px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #173C34;
            --primary-dark: #0F2A26;
            --primary-light: #1E5145;
            --accent: #C49A6C;
            --accent-dark: #B98A5A;
            --accent-soft: rgba(196, 154, 108, 0.12);
            --bg: #FAF8F3;
            --bg-white: #FDFCFA;
            --text: #2B2B28;
            --text-secondary: #5A5A55;
            --text-muted: #8A8A82;
            --border: #E8E4DD;
            --border-strong: #D8D2C8;
            --shadow-sm: 0 2px 8px rgba(15, 42, 38, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 42, 38, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 42, 38, 0.12);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "JetBrains Mono", monospace;
            --section-space: 100px;
            --section-space-mobile: 60px;
            --container-max: 1200px;
            --transition: 0.25s ease-out;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }
        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--primary-dark);
            color: #F5F0E8;
        }
        .section-dark a {
            color: #D4C5B0;
        }
        .section-dark a:hover {
            color: var(--accent);
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .section-lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-title .accent-line {
            display: inline-block;
            width: 32px;
            height: 3px;
            background: var(--accent);
            margin-right: 12px;
            vertical-align: middle;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #FDFCFA;
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }
        .btn-accent {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #1A1A1A;
        }
        .btn-sm {
            min-height: 38px;
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-lg {
            min-height: 56px;
            padding: 16px 32px;
            font-size: 16px;
        }
        .btn:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--accent-soft);
            border: 1px solid rgba(196, 154, 108, 0.3);
        }
        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 248, 243, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 24px;
        }
        .logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--accent-dark);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-list a {
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.3px;
            color: var(--text-secondary);
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .nav-list a:hover {
            color: var(--accent-dark);
        }
        .nav-list a:hover::after {
            width: 100%;
        }
        .nav-list a.active {
            color: var(--primary);
        }
        .nav-list a.active::after {
            width: 100%;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: all var(--transition);
        }
        /* Breadcrumb */
        .breadcrumb {
            padding: 20px 0 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-dark);
        }
        .breadcrumb .sep {
            margin: 0 8px;
            color: var(--border-strong);
        }
        /* Hero */
        .page-hero {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }
        .page-hero .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 860px;
        }
        .page-hero .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            background: var(--accent-soft);
            color: var(--accent);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: #FDFCFA;
            margin-bottom: 20px;
        }
        .page-hero .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(245, 240, 232, 0.85);
            max-width: 680px;
        }
        /* Support Stats */
        .support-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid rgba(196, 154, 108, 0.3);
        }
        .stat-item {
            flex: 1 1 140px;
            min-width: 120px;
        }
        .stat-number {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.7);
            margin-top: 4px;
        }
        /* Support Grid */
        .support-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .support-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .support-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-2px);
        }
        .support-card .card-index {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent);
            letter-spacing: 0.5px;
        }
        .support-card h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 12px 0 8px;
            line-height: 1.4;
        }
        .support-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* Entry List */
        .entry-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .entry-item {
            display: flex;
            align-items: baseline;
            gap: 24px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .entry-item:first-child {
            border-top: 1px solid var(--border);
        }
        .entry-item:hover {
            background: rgba(196, 154, 108, 0.04);
        }
        .entry-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent);
            white-space: nowrap;
            min-width: 90px;
            letter-spacing: 0.3px;
        }
        .entry-body {
            flex: 1;
        }
        .entry-body h4 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 500;
            color: var(--primary-dark);
            margin-bottom: 6px;
            line-height: 1.5;
            letter-spacing: -0.2px;
        }
        .entry-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .entry-link {
            font-size: 13px;
            color: var(--accent-dark);
            font-weight: 500;
            position: relative;
            display: inline-block;
        }
        .entry-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent-dark);
            transition: width var(--transition);
        }
        .entry-link:hover {
            color: var(--primary);
        }
        .entry-link:hover::after {
            width: 100%;
        }
        /* Deep Content */
        .deep-content {
            max-width: 860px;
        }
        .deep-content h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 20px;
            line-height: 1.4;
        }
        .deep-content h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: var(--primary);
            margin: 32px 0 12px;
            line-height: 1.5;
        }
        .deep-content p {
            font-size: 16px;
            color: var(--text);
            line-height: 1.95;
            margin-bottom: 20px;
        }
        .deep-content blockquote {
            border-left: 3px solid var(--accent);
            padding: 12px 20px;
            margin: 24px 0;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            background: rgba(196, 154, 108, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        .deep-content ul {
            margin: 16px 0 24px;
            padding-left: 20px;
            list-style: none;
        }
        .deep-content ul li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
        }
        .deep-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }
        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 20px 0;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--primary-dark);
            text-align: left;
            font-family: var(--font-serif);
            letter-spacing: -0.2px;
        }
        .faq-question:hover {
            color: var(--accent-dark);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 16px;
            height: 16px;
            position: relative;
            color: var(--accent);
        }
        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            background: currentColor;
            border-radius: 1px;
            transition: all var(--transition);
        }
        .faq-question .faq-icon::before {
            top: 50%;
            left: 0;
            width: 16px;
            height: 1.5px;
            transform: translateY(-50%);
        }
        .faq-question .faq-icon::after {
            top: 0;
            left: 50%;
            width: 1.5px;
            height: 16px;
            transform: translateX(-50%);
        }
        .faq-question.active .faq-icon::after {
            transform: translateX(-50%) rotate(90deg);
            opacity: 0;
        }
        .faq-question.active .faq-icon::before {
            background: var(--accent-dark);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer-inner {
            padding: 0 0 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        /* Related Tags */
        .related-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }
        .related-tag-link {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            background: var(--bg-white);
            border: 1px solid var(--border);
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }
        .related-tag-link:hover {
            color: var(--accent-dark);
            border-color: var(--accent);
            background: var(--accent-soft);
        }
        /* CTA */
        .cta-section {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding: 72px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 600;
            color: #FDFCFA;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(245, 240, 232, 0.8);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        /* Bottom Fixed Bar */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: var(--primary-dark);
            color: #FDFCFA;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: 0 -4px 24px rgba(15, 42, 38, 0.2);
            transform: translateY(100%);
            transition: transform 0.3s ease;
            border-top: 1px solid rgba(196, 154, 108, 0.3);
        }
        .bottom-bar.visible {
            transform: translateY(0);
        }
        .bottom-bar .bar-text {
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .bottom-bar .btn {
            flex-shrink: 0;
        }
        .bar-close {
            background: none;
            border: none;
            color: rgba(245, 240, 232, 0.6);
            font-size: 20px;
            cursor: pointer;
            padding: 4px 8px;
            line-height: 1;
            transition: color var(--transition);
        }
        .bar-close:hover {
            color: #FDFCFA;
        }
        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding: 60px 0 32px;
            border-top: 1px solid rgba(196, 154, 108, 0.3);
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
        }
        .footer-brand {
            max-width: 320px;
        }
        .footer-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: #FDFCFA;
            letter-spacing: -0.3px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-logo:hover {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(245, 240, 232, 0.7);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            align-items: center;
        }
        .footer-nav a {
            font-size: 14px;
            color: rgba(245, 240, 232, 0.8);
            transition: color var(--transition);
            position: relative;
        }
        .footer-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .footer-nav a:hover {
            color: var(--accent);
        }
        .footer-nav a:hover::after {
            width: 100%;
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(245, 240, 232, 0.12);
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 12px;
            color: rgba(245, 240, 232, 0.55);
            letter-spacing: 0.3px;
        }
        .footer-bottom a {
            color: rgba(245, 240, 232, 0.7);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        /* Responsive */
        @media (max-width: 1023px) {
            .nav-list {
                gap: 16px;
            }
            .nav-list a {
                font-size: 13px;
            }
            .page-hero h1 {
                font-size: 36px;
            }
            .section-title {
                font-size: 28px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-space: 56px;
            }
            .header-inner {
                min-height: 60px;
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0;
                padding: 16px 0;
                border-top: 1px solid var(--border);
                background: var(--bg);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                padding: 14px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--border);
            }
            .nav-list a:last-child {
                border-bottom: none;
            }
            .page-hero {
                padding: 56px 0 40px;
            }
            .page-hero h1 {
                font-size: 30px;
                letter-spacing: -0.3px;
            }
            .page-hero .hero-sub {
                font-size: 15px;
            }
            .support-stats {
                gap: 20px;
                margin-top: 28px;
                padding-top: 24px;
            }
            .stat-number {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .entry-item {
                flex-direction: column;
                gap: 8px;
                padding: 20px 0;
            }
            .entry-date {
                min-width: auto;
            }
            .deep-content h2 {
                font-size: 22px;
            }
            .deep-content h3 {
                font-size: 18px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .bottom-bar {
                padding: 10px 16px;
                flex-wrap: wrap;
                gap: 8px;
            }
            .bottom-bar .bar-text {
                font-size: 12px;
                flex: 1;
                min-width: 140px;
            }
            .bottom-bar .btn {
                min-height: 40px;
                padding: 8px 14px;
                font-size: 13px;
            }
            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }
            .footer-nav {
                gap: 12px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .support-card {
                padding: 20px 18px;
            }
        }
        @media (min-width: 768px) and (max-width: 1023px) {
            .page-hero h1 {
                font-size: 38px;
            }
            .support-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category7 */
:root {
            --primary: #173C34;
            --primary-dark: #0F2A26;
            --primary-light: #1E5145;
            --accent: #C49A6C;
            --accent-dark: #B98A5A;
            --accent-soft: rgba(196, 154, 108, 0.12);
            --bg: #FAF8F3;
            --bg-white: #FDFCFA;
            --text: #2B2B28;
            --text-secondary: #5A5A55;
            --text-muted: #8A8A82;
            --border: #E8E4DD;
            --border-strong: #D8D2C8;
            --shadow-sm: 0 2px 8px rgba(15, 42, 38, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 42, 38, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 42, 38, 0.12);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "PingFang SC", "Microsoft YaHei", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "JetBrains Mono", monospace;
            --section-space: 72px;
            --section-space-mobile: 48px;
            --container-max: 1200px;
            --transition: 0.25s ease-out;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--accent-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-dark {
            background: var(--primary-dark);
            color: #F5F0E8;
        }

        .section-dark a {
            color: #D4C5B0;
        }

        .section-dark a:hover {
            color: var(--accent);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 600;
            line-height: 1.35;
            color: var(--primary-dark);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .section-lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }

        .section-title .accent-line {
            display: inline-block;
            width: 32px;
            height: 3px;
            background: var(--accent);
            margin-right: 12px;
            vertical-align: middle;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #FDFCFA;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #FDFCFA;
            border-color: var(--primary);
        }

        .btn-accent {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #1A1A1A;
        }

        .btn-sm {
            min-height: 36px;
            padding: 7px 14px;
            font-size: 13px;
        }

        .btn-lg {
            min-height: 54px;
            padding: 14px 28px;
            font-size: 16px;
        }

        .btn:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--accent-soft);
            border: 1px solid rgba(196, 154, 108, 0.25);
            transition: all var(--transition);
        }

        .tag:hover {
            background: var(--accent);
            color: #1A1A1A;
            border-color: var(--accent);
        }

        /* Header & Navigation */
        .site-header {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
        }

        .logo-link {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 1px;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .logo-link:hover {
            color: var(--accent-dark);
        }

        .nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 26px;
            flex-wrap: wrap;
        }

        .nav-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.5px;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition);
            white-space: nowrap;
            display: inline-block;
        }

        .nav-list a:hover {
            color: var(--accent-dark);
        }

        .nav-list a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .nav-list a:hover::after {
            width: 100%;
        }

        .nav-list a.active {
            color: var(--primary-dark);
            font-weight: 600;
        }

        .nav-list a.active::after {
            width: 100%;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary-dark);
            border-radius: 1px;
            transition: all var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero */
        .hero-section {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding-top: 64px;
            padding-bottom: 64px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(15, 42, 38, 0.92) 0%, rgba(23, 60, 52, 0.85) 50%, rgba(15, 42, 38, 0.78) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            color: #FDFCFA;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-content h1 .accent-text {
            color: var(--accent);
        }

        .hero-pain {
            font-size: 17px;
            color: #C9BFAF;
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
            border-left: 3px solid var(--accent);
            padding-left: 18px;
        }

        .hero-desc {
            font-size: 15px;
            color: #E8E0D4;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 460px;
        }

        .hero-trust {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .trust-item {
            font-size: 13px;
            color: #B8AD9D;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .trust-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        .hero-form-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 28px 24px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(196, 154, 108, 0.2);
        }

        .hero-form-card h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }

        .hero-form-card .form-sub {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 5px;
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            min-height: 42px;
            padding: 9px 14px;
            border: 1px solid rgba(23, 60, 52, 0.2);
            border-radius: var(--radius-sm);
            background: #FDFCFA;
            color: var(--text);
            font-size: 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            appearance: none;
            -webkit-appearance: none;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(196, 154, 108, 0.12);
            outline: none;
        }

        .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A5A55' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        .form-btn {
            width: 100%;
            margin-top: 6px;
        }

        .form-note {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 10px;
            letter-spacing: 0.3px;
        }

        /* Breadcrumb & Category Intro */
        .breadcrumb-bar {
            background: var(--bg);
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }

        .breadcrumb-bar a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .breadcrumb-bar a:hover {
            color: var(--accent-dark);
        }

        .breadcrumb-sep {
            margin: 0 8px;
            color: var(--border-strong);
        }

        .cat-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cat-intro-text .section-title {
            margin-bottom: 12px;
        }

        .cat-intro-text p {
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .cat-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
        }

        .cat-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        /* Resource Cards */
        .resource-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .resource-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all var(--transition);
            cursor: default;
        }

        .resource-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-3px);
        }

        .resource-card .card-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--accent-soft);
            border: 1px solid rgba(196, 154, 108, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent-dark);
            margin-bottom: 14px;
            font-weight: 600;
        }

        .resource-card h4 {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .resource-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .resource-card .card-meta {
            font-size: 11px;
            font-family: var(--font-mono);
            color: var(--text-muted);
            letter-spacing: 0.5px;
            margin-top: 10px;
        }

        /* Article List */
        .article-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .article-list li {
            display: grid;
            grid-template-columns: 110px 1fr auto;
            gap: 20px;
            align-items: start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }

        .article-list li:last-child {
            border-bottom: none;
        }

        .article-list li:hover {
            background: rgba(196, 154, 108, 0.04);
        }

        .article-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-dark);
            letter-spacing: 0.5px;
            padding-top: 4px;
            white-space: nowrap;
        }

        .article-info h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 6px;
            line-height: 1.5;
            transition: color var(--transition);
        }

        .article-info h4:hover {
            color: var(--accent-dark);
        }

        .article-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .article-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            white-space: nowrap;
            align-self: center;
            position: relative;
            padding-bottom: 2px;
        }

        .article-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 1.5px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .article-link:hover {
            color: var(--accent-dark);
        }

        .article-link:hover::after {
            width: 100%;
        }

        /* Deep Content */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .deep-content .deep-text h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 14px;
        }

        .deep-content .deep-text p {
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .deep-content .deep-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .deep-content .deep-image img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .deep-content .deep-image figcaption {
            font-size: 12px;
            color: var(--text-muted);
            padding: 10px 14px;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
        }

        /* Scenario */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-item {
            padding: 24px 20px;
            border-top: 2px solid var(--accent);
            background: var(--bg-white);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            border-left: 1px solid var(--border);
            border-right: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .scenario-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .scenario-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Process */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: process-counter;
        }

        .process-step {
            position: relative;
            padding: 22px 18px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border-strong);
        }

        .process-step .step-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
            letter-spacing: -1px;
        }

        .process-step h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .faq-list li {
            border-bottom: 1px solid var(--border);
            padding: 4px 0;
        }

        .faq-list li:last-child {
            border-bottom: none;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 500;
            color: var(--primary-dark);
            transition: color var(--transition);
            font-family: var(--font-sans);
        }

        .faq-question:hover {
            color: var(--accent-dark);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform var(--transition);
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--accent);
            border-radius: 1px;
            transition: all var(--transition);
        }

        .faq-icon::before {
            left: 50%;
            top: 4px;
            bottom: 4px;
            width: 2px;
            transform: translateX(-50%);
        }

        .faq-icon::after {
            top: 50%;
            left: 4px;
            right: 4px;
            height: 2px;
            transform: translateY(-50%);
        }

        .faq-list li.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-list li.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 0 0 16px;
            margin: 0;
        }

        /* Tags Row */
        .tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        /* CTA Section */
        .cta-section {
            background: var(--primary-dark);
            color: #F5F0E8;
            padding: 56px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: #FDFCFA;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 15px;
            color: #C9BFAF;
            line-height: 1.7;
            max-width: 560px;
            margin: 0 auto 24px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #C9BFAF;
            padding: 48px 0 32px;
            border-top: 2px solid rgba(196, 154, 108, 0.3);
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-brand .footer-logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #FDFCFA;
            letter-spacing: 1px;
            display: block;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 14px;
            color: #B8AD9D;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            align-content: start;
        }

        .footer-nav a {
            font-size: 14px;
            color: #C9BFAF;
            transition: color var(--transition);
            position: relative;
        }

        .footer-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 1.5px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .footer-nav a:hover {
            color: var(--accent);
        }

        .footer-nav a:hover::after {
            width: 100%;
        }

        .footer-bottom {
            border-top: 1px solid rgba(200, 190, 175, 0.2);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            justify-content: space-between;
            font-size: 12px;
            color: #9A9186;
        }

        .footer-bottom a {
            color: #C9BFAF;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-content h1 {
                font-size: 34px;
            }

            .resource-card-grid,
            .scenario-grid,
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cat-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .deep-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            :root {
                --section-space: 56px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                min-height: 58px;
                position: relative;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-wrapper {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease-out;
                z-index: 99;
            }

            .nav-wrapper.open {
                max-height: 420px;
            }

            .nav-list {
                flex-direction: column;
                gap: 0;
                padding: 10px 24px 16px;
                align-items: flex-start;
            }

            .nav-list li {
                width: 100%;
                border-bottom: 1px solid var(--border);
            }

            .nav-list li:last-child {
                border-bottom: none;
            }

            .nav-list a {
                display: block;
                padding: 12px 0;
                font-size: 15px;
            }

            .hero-section {
                padding-top: 40px;
                padding-bottom: 40px;
            }

            .hero-content h1 {
                font-size: 28px;
            }

            .article-list li {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 16px 0;
            }

            .article-date {
                padding-top: 0;
            }

            .article-link {
                align-self: start;
            }

            .resource-card-grid,
            .scenario-grid,
            .process-grid {
                grid-template-columns: 1fr;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }

            :root {
                --section-space: 40px;
                --section-space-mobile: 32px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-form-card {
                padding: 20px 16px;
            }

            .section-title {
                font-size: 24px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

            .btn-lg {
                min-height: 48px;
                padding: 12px 20px;
                font-size: 14px;
            }
        }