/* roulang page: index */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252545;
            --color-accent: #c9a96e;
            --color-accent-light: #dcc89a;
            --color-accent-dark: #a88b52;
            --color-bg: #fafaf8;
            --color-bg-alt: #f4f2ed;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-lighter: #999999;
            --color-white: #ffffff;
            --color-border: #e8e4df;
            --color-border-light: #f0ede8;
            --color-success: #5a8a6a;
            --color-tag-bg: #f7f4ef;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', serif;
            --font-body: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: var(--font-body);
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--space-sm);
            }
        }

        /* Header & Navigation - 极简高端文字导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(250, 250, 248, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 72px;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(250, 250, 248, 0.97);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--color-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

        .logo-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            margin-left: 2px;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
        }

        .nav-main a {
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            color: var(--color-text-light);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-main a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-smooth);
            border-radius: 1px;
        }

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

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

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

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--color-primary);
            color: var(--color-white) !important;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--color-accent);
            color: var(--color-white) !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .nav-cta::after {
            display: none !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }

        @media (max-width: 1024px) {
            .nav-main {
                gap: var(--space-md);
            }
            .nav-main a {
                font-size: 0.82rem;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }
            .header-inner {
                height: 60px;
                padding: 0 var(--space-sm);
            }
            .logo-text {
                font-size: 1.25rem;
            }
            .nav-main {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                gap: 0;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                padding: var(--space-sm) 0;
                z-index: 999;
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main a {
                padding: 14px var(--space-md);
                font-size: 0.95rem;
                border-bottom: 1px solid var(--color-border-light);
                text-align: center;
            }
            .nav-main a:last-child {
                border-bottom: none;
            }
            .nav-main a::after {
                display: none;
            }
            .nav-main a.active {
                background: var(--color-bg-alt);
                color: var(--color-accent);
            }
            .nav-cta {
                margin: 8px var(--space-md);
                text-align: center;
                justify-content: center;
                border-radius: 8px;
            }
            .mobile-toggle {
                display: block;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            margin-top: 0;
            padding-top: 72px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.75) 0%, rgba(26, 26, 46, 0.45) 40%, rgba(26, 26, 46, 0.55) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: var(--space-xl) var(--space-md);
            color: var(--color-white);
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 30px;
            font-size: 0.8rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: var(--space-lg);
            backdrop-filter: blur(4px);
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 3.6rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            line-height: 1.2;
            margin-bottom: var(--space-md);
            color: #ffffff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-title .accent {
            color: var(--color-accent-light);
        }

        .hero-desc {
            font-size: 1.15rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--space-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            font-weight: 300;
            letter-spacing: 0.03em;
        }

        .hero-actions {
            display: flex;
            gap: var(--space-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-white);
            border: 2px solid var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-white);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.85);
            color: var(--color-white);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 90vh;
                padding-top: 60px;
            }
            .hero-title {
                font-size: 2.2rem;
                letter-spacing: 0.04em;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 5px 14px;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.85rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
                max-width: 280px;
            }
        }

        /* Section Common */
        .section {
            padding: var(--space-2xl) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-white);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-xl);
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: var(--space-xs);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
        }
        .section-dark .section-title {
            color: var(--color-white);
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-xl) 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
        }

        /* Brand Matrix */
        .brand-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .brand-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
        }
        .brand-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .brand-card-img {
            aspect-ratio: 4/3;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .brand-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .brand-card:hover .brand-card-img img {
            transform: scale(1.06);
        }
        .brand-card-body {
            padding: var(--space-md);
        }
        .brand-card-tag {
            display: inline-block;
            font-size: 0.7rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .brand-card-name {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .brand-card-desc {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .brand-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
        }
        @media (max-width: 520px) {
            .brand-grid {
                grid-template-columns: 1fr;
                max-width: 380px;
                margin: 0 auto;
            }
        }

        /* Data Dashboard */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .data-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-accent-light);
        }
        .data-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: var(--space-sm);
        }
        .data-value {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 4px;
        }
        .data-label {
            font-size: 0.85rem;
            color: var(--color-text-light);
            letter-spacing: 0.04em;
        }
        .data-sub {
            font-size: 0.75rem;
            color: var(--color-text-lighter);
            margin-top: 4px;
        }

        @media (max-width: 1024px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
        }
        @media (max-width: 520px) {
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xs);
            }
            .data-card {
                padding: var(--space-md) var(--space-sm);
            }
            .data-value {
                font-size: 2rem;
            }
        }

        /* Service Entry Cards */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .service-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            text-align: center;
            cursor: pointer;
        }
        .service-card:hover {
            border-color: var(--color-accent-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .service-icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--color-tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-md);
            font-size: 1.5rem;
            color: var(--color-accent);
            transition: all var(--transition-smooth);
        }
        .service-card:hover .service-icon-circle {
            background: var(--color-accent);
            color: var(--color-white);
        }
        .service-card-title {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .service-card-desc {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .service-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
        }

        /* News / Content List */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
        }
        .news-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }
        .news-card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-meta {
            display: flex;
            gap: var(--space-sm);
            font-size: 0.75rem;
            color: var(--color-text-lighter);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .news-card-title {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 6px;
        }
        .news-card-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
        }
        .news-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-top: var(--space-sm);
            transition: gap var(--transition-fast);
        }
        .news-card-link:hover {
            gap: 8px;
            color: var(--color-accent-dark);
        }

        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin: 0 auto;
            }
        }

        /* Mobile Experience */
        .mobile-showcase {
            display: flex;
            align-items: center;
            gap: var(--space-xl);
            flex-wrap: wrap;
        }
        .mobile-showcase-visual {
            flex: 0 0 320px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 9/16;
            max-width: 320px;
        }
        .mobile-showcase-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .mobile-showcase-info {
            flex: 1;
            min-width: 280px;
        }
        .mobile-showcase-info h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
        }
        .mobile-showcase-info p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: var(--space-md);
        }
        .mobile-features {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }
        .mobile-feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--color-tag-bg);
            border-radius: 20px;
            font-size: 0.82rem;
            color: var(--color-primary);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .mobile-showcase {
                flex-direction: column;
                text-align: center;
            }
            .mobile-showcase-visual {
                flex: 0 0 auto;
                width: 220px;
                max-width: 220px;
            }
            .mobile-features {
                justify-content: center;
            }
        }

        /* FAQ Accordion */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 0;
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: var(--space-md) 0;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: all var(--transition-smooth);
        }
        .faq-item.open .faq-icon {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-white);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 var(--space-md) 0;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            text-align: center;
            padding: var(--space-2xl) 0;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(26, 26, 46, 0.8);
        }
        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
            padding: 0 var(--space-md);
            color: var(--color-white);
        }
        .cta-content h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }
        .cta-content p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: var(--space-lg);
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-xl) 0 var(--space-md);
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        .footer-brand .logo-text {
            color: var(--color-white);
            font-size: 1.3rem;
            margin-bottom: var(--space-sm);
            display: inline-block;
        }
        .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-white);
            margin-bottom: var(--space-sm);
        }
        .footer-col a {
            display: block;
            padding: 4px 0;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
            font-size: 0.82rem;
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.03em;
        }
        .footer-disclaimer {
            margin-top: var(--space-sm);
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }

        /* Divider */
        .divider {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: var(--space-sm) auto;
        }

        /* Tag / Badge */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            background: var(--color-tag-bg);
            color: var(--color-primary);
        }
        .tag-accent {
            background: rgba(201, 169, 110, 0.15);
            color: var(--color-accent-dark);
        }

        /* Stats row inline */
        .stats-inline {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-lg);
            justify-content: center;
            align-items: center;
        }
        .stat-item {
            text-align: center;
            padding: var(--space-sm);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
        }
        .stat-label-text {
            font-size: 0.8rem;
            color: var(--color-text-light);
            letter-spacing: 0.05em;
        }

        /* Trend bar */
        .trend-bars {
            display: flex;
            align-items: flex-end;
            gap: var(--space-sm);
            height: 180px;
            justify-content: center;
            padding: var(--space-md) 0;
        }
        .trend-bar {
            width: 48px;
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            background: var(--color-accent);
            transition: all var(--transition-smooth);
            position: relative;
            cursor: pointer;
        }
        .trend-bar:hover {
            background: var(--color-accent-dark);
            transform: scaleY(1.05);
            transform-origin: bottom;
        }
        .trend-bar-label {
            position: absolute;
            bottom: -28px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 0.7rem;
            color: var(--color-text-light);
            white-space: nowrap;
        }
        .trend-bar-value {
            position: absolute;
            top: -24px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--color-primary);
        }

        @media (max-width: 520px) {
            .trend-bars {
                height: 130px;
                gap: 6px;
            }
            .trend-bar {
                width: 32px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #6B3A2E;
            --color-primary-light: #8B5A4A;
            --color-primary-dark: #4A2218;
            --color-accent: #C8956C;
            --color-accent-light: #E8C9A8;
            --color-gold: #B8963E;
            --color-bg: #FAF7F4;
            --color-bg-warm: #F5EDE4;
            --color-bg-dark: #1C1410;
            --color-bg-card: #FFFFFF;
            --color-text: #2C1F18;
            --color-text-soft: #6B5D53;
            --color-text-light: #8C7B6F;
            --color-text-inverse: #F5EDE4;
            --color-border: #E0D5C8;
            --color-border-light: #EDE4DA;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 4px rgba(44, 31, 24, 0.06);
            --shadow-md: 0 4px 16px rgba(44, 31, 24, 0.08);
            --shadow-lg: 0 8px 32px rgba(44, 31, 24, 0.12);
            --shadow-xl: 0 16px 48px rgba(44, 31, 24, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 80px;
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-base);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: var(--spacing-md);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .logo-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-main a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.02em;
        }

        .nav-main a:hover {
            color: var(--color-primary);
            background: rgba(107, 58, 46, 0.04);
        }

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

        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .nav-main a.nav-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 9px 20px;
            border-radius: 24px;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            margin-left: 8px;
        }

        .nav-main a.nav-cta:hover {
            background: var(--color-primary-light);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .nav-main a.nav-cta::after {
            display: none;
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-primary);
            font-size: 1.3rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(107, 58, 46, 0.06);
        }

        /* Breadcrumb */
        .breadcrumb-section {
            background: var(--color-bg-warm);
            border-bottom: 1px solid var(--color-border-light);
            padding: 10px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--color-border);
            font-size: 0.7rem;
        }

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

        /* Page Banner */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(28, 20, 16, 0.55) 0%,
                    rgba(28, 20, 16, 0.45) 40%,
                    rgba(28, 20, 16, 0.6) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background:
                radial-gradient(ellipse at 30% 50%, rgba(200, 149, 108, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(184, 150, 62, 0.08) 0%, transparent 50%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-2xl) 0;
            color: #fff;
        }

        .banner-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 20px;
            font-size: 0.8rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-md);
            color: var(--color-accent-light);
            backdrop-filter: blur(4px);
        }

        .banner-content h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            color: #fff;
        }

        .banner-content .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.7;
        }

        /* Section Styles */
        .section {
            padding: var(--spacing-2xl) 0;
        }

        .section-warm {
            background: var(--color-bg-warm);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-text);
            margin-bottom: var(--spacing-xs);
            line-height: 1.3;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            line-height: 1.6;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .section-header .section-title {
            margin-bottom: var(--spacing-xs);
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .divider-line {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: var(--spacing-sm) 0;
        }

        .section-header .divider-line {
            margin: var(--spacing-sm) auto;
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            padding: var(--spacing-lg) 0;
        }

        .stat-item {
            text-align: center;
            padding: var(--spacing-md);
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-accent-light);
        }

        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-light);
            letter-spacing: 0.03em;
        }

        /* Article Cards Grid */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .article-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .article-card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 11;
            overflow: hidden;
            background: var(--color-bg-warm);
        }

        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .article-card:hover .article-card-img img {
            transform: scale(1.04);
        }

        .article-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
            z-index: 2;
        }

        .article-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .article-card:hover .article-card-body h3 {
            color: var(--color-primary);
        }

        .article-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: var(--spacing-sm);
        }

        .article-card-meta {
            font-size: 0.78rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 8px;
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--color-border-light);
        }

        .article-card-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* Feature Block */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .feature-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
            background: var(--color-bg-warm);
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .feature-image:hover img {
            transform: scale(1.03);
        }

        .feature-text h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
            color: var(--color-text);
        }

        .feature-text p {
            font-size: 1rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            margin-bottom: var(--spacing-md);
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: var(--spacing-md);
        }

        .feature-list li {
            padding-left: 24px;
            position: relative;
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        .feature-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 9px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* Trending Strip */
        .trending-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .trend-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 3 / 4;
            background: var(--color-bg-warm);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .trend-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .trend-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .trend-card:hover img {
            transform: scale(1.05);
        }

        .trend-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--spacing-md);
            background: linear-gradient(transparent, rgba(28, 20, 16, 0.85));
            color: #fff;
            z-index: 2;
        }

        .trend-card-overlay h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 2px;
            line-height: 1.3;
        }

        .trend-card-overlay span {
            font-size: 0.78rem;
            opacity: 0.85;
            letter-spacing: 0.03em;
        }

        .trend-rank {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.9);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 3;
            box-shadow: var(--shadow-sm);
        }

        /* Brand Focus */
        .brand-focus-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .brand-focus-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .brand-focus-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            font-size: 1.4rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }

        .brand-focus-card:hover .brand-focus-icon {
            background: var(--color-primary);
            color: #fff;
        }

        .brand-focus-card h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .brand-focus-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-accent-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-text);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 12px;
        }

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

        .faq-question i {
            font-size: 0.7rem;
            color: var(--color-accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-bg-dark);
            background-image:
                radial-gradient(ellipse at 25% 50%, rgba(200, 149, 108, 0.1) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 20%, rgba(184, 150, 62, 0.06) 0%, transparent 50%);
            padding: var(--spacing-2xl) 0;
            text-align: center;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            cursor: pointer;
            text-align: center;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #1A1210;
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand .logo-text {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            display: block;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            font-size: 0.85rem;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.8rem;
            margin-bottom: 4px;
        }

        .footer-disclaimer {
            font-size: 0.75rem !important;
            color: rgba(255, 255, 255, 0.3) !important;
            max-width: 700px;
            margin: 8px auto 0 !important;
            line-height: 1.6;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

            .feature-block {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .feature-image {
                aspect-ratio: 16 / 9;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }

            .page-banner {
                min-height: 340px;
            }

            .banner-content h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 0;
            }

            .nav-main {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 2px;
                padding: var(--spacing-sm) 0;
                background: #fff;
                border-top: 1px solid var(--color-border-light);
                margin-top: 4px;
            }

            .nav-main.show {
                display: flex;
            }

            .nav-main a {
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
            }

            .nav-main a.nav-cta {
                margin-left: 0;
                text-align: center;
                margin-top: 4px;
            }

            .nav-main a.active::after {
                display: none;
            }

            .nav-main a.active {
                background: rgba(107, 58, 46, 0.06);
            }

            .mobile-menu-toggle {
                display: flex;
            }

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

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

            .brand-focus-grid {
                grid-template-columns: 1fr;
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .page-banner {
                min-height: 280px;
            }

            .banner-content h1 {
                font-size: 1.9rem;
            }

            .banner-content .banner-subtitle {
                font-size: 0.95rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .feature-text h2 {
                font-size: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .section {
                padding: var(--spacing-xl) 0;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .trending-strip {
                grid-template-columns: 1fr 1fr;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xs);
            }

            .stat-item {
                padding: var(--spacing-sm);
            }

            .stat-number {
                font-size: 1.5rem;
            }

            .stat-label {
                font-size: 0.75rem;
            }

            .page-banner {
                min-height: 240px;
            }

            .banner-content h1 {
                font-size: 1.6rem;
            }

            .banner-tag {
                font-size: 0.7rem;
                padding: 4px 12px;
            }

            .btn {
                padding: 10px 22px;
                font-size: 0.85rem;
            }

            .container {
                padding: 0 var(--spacing-sm);
            }
        }

        /* Foundation Overrides */
        .row {
            max-width: 1200px;
            margin: 0 auto;
        }

        .row .row {
            max-width: none;
        }

        @media (max-width: 768px) {
            .row {
                margin: 0;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a1a1a;
            --color-accent: #c5a05e;
            --color-accent-soft: #e0cfa5;
            --color-bg: #fafaf8;
            --color-surface: #ffffff;
            --color-text: #2c2c2c;
            --color-text-muted: #6b6b6b;
            --color-text-light: #9a9a9a;
            --color-border: #e5e2dc;
            --color-border-light: #f0ede6;
            --color-overlay: rgba(20, 20, 20, 0.45);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
            --font-heading: 'Georgia', 'Times New Roman', 'Noto Serif SC', 'Source Han Serif SC', serif;
            --font-body: 'Inter', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3.5rem;
            --spacing-xl: 5rem;
            --spacing-2xl: 7rem;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        .section-padding {
            padding: var(--spacing-xl) 0;
        }

        .section-padding-lg {
            padding: var(--spacing-2xl) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: var(--spacing-xs);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 400;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 680px;
        }

        .divider {
            width: 48px;
            height: 2px;
            background: var(--color-accent);
            margin: var(--spacing-sm) 0 var(--spacing-md);
        }

        .divider-centered {
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-smooth);
            letter-spacing: 0.03em;
            border: 1px solid transparent;
            text-align: center;
            justify-content: center;
        }

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

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

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

        .btn-outline:hover,
        .btn-outline:focus {
            border-color: var(--color-primary);
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

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

        .btn-accent:hover,
        .btn-accent:focus {
            background: #b08a4b;
            border-color: #b08a4b;
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 0.55rem 1.4rem;
            font-size: 0.82rem;
        }

        .btn-lg {
            padding: 1rem 2.6rem;
            font-size: 1rem;
        }

        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-tag {
            font-size: 0.75rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .card-title {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--color-primary);
            margin-bottom: 0.6rem;
            line-height: 1.4;
        }

        .card-text {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }

        .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: color var(--transition-fast);
        }

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

        .card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .card-link:hover i {
            transform: translateX(3px);
        }

        .badge {
            display: inline-block;
            padding: 0.3rem 1rem;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            border-radius: 50px;
            background: var(--color-accent-soft);
            color: var(--color-primary);
        }

        .badge-dark {
            background: var(--color-primary);
            color: #fff;
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
        }

        header.site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            padding: 0.9rem 0;
            transition: box-shadow var(--transition-smooth);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 400;
            letter-spacing: 0.06em;
            color: var(--color-primary);
            white-space: nowrap;
        }

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

        .nav-main {
            display: flex;
            align-items: center;
            gap: 2.2rem;
        }

        .nav-main a {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text);
            letter-spacing: 0.03em;
            position: relative;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
        }

        .nav-main a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1.5px;
            background: var(--color-accent);
            transition: width var(--transition-smooth);
        }

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

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

        .nav-main .nav-cta {
            padding: 0.5rem 1.4rem;
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            letter-spacing: 0.05em;
            transition: all var(--transition-smooth);
        }

        .nav-main .nav-cta:hover {
            background: var(--color-primary);
            color: #fff;
        }

        .nav-main .nav-cta::after {
            display: none;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            color: var(--color-primary);
            font-size: 1.5rem;
        }

        .page-banner {
            background: linear-gradient(135deg, #f9f7f2 0%, #f0ebe0 40%, #e8dfcf 100%);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(197, 160, 94, 0.08);
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(197, 160, 94, 0.05);
            pointer-events: none;
        }

        .banner-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .banner-inner .section-label {
            margin-bottom: 0.5rem;
        }

        .banner-inner .section-title {
            font-size: 2.8rem;
            margin-bottom: 1rem;
        }

        .banner-inner .section-subtitle {
            margin: 0 auto;
            font-size: 1.05rem;
        }

        .content-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .content-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .content-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .feature-block {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .feature-block.reverse {
            flex-direction: row-reverse;
        }

        .feature-block .feature-img {
            flex: 0 0 45%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        .feature-block .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-block .feature-content {
            flex: 1;
        }

        .feature-block .feature-content .section-title {
            font-size: 2rem;
        }

        .list-styled {
            list-style: none;
            padding: 0;
        }

        .list-styled li {
            padding: 0.7rem 0;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            font-size: 0.98rem;
            color: var(--color-text);
        }

        .list-styled li::before {
            content: '◆';
            color: var(--color-accent);
            font-size: 0.55rem;
            line-height: 1.7;
            flex-shrink: 0;
        }

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

        .stat-block {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .stat-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 400;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 0.3rem;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
        }

        .quote-block {
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            position: relative;
        }

        .quote-block .quote-icon {
            font-size: 3rem;
            color: var(--color-accent);
            opacity: 0.6;
            margin-bottom: 1rem;
        }

        .quote-block .quote-text {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            line-height: 1.5;
            max-width: 700px;
            margin: 0 auto 1rem;
            font-style: italic;
        }

        .quote-block .quote-author {
            font-size: 0.9rem;
            color: var(--color-accent-soft);
            letter-spacing: 0.06em;
        }

        .accordion-item {
            border-bottom: 1px solid var(--color-border-light);
        }

        .accordion-trigger {
            width: 100%;
            background: none;
            border: none;
            padding: 1.2rem 0;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
            font-family: var(--font-body);
        }

        .accordion-trigger:hover,
        .accordion-trigger:focus {
            color: var(--color-accent);
            outline: none;
        }

        .accordion-trigger i {
            font-size: 0.8rem;
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
        }

        .accordion-trigger[aria-expanded="true"] i {
            transform: rotate(45deg);
            color: var(--color-accent);
        }

        .accordion-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .accordion-panel.open {
            max-height: 400px;
            padding-bottom: 1.2rem;
        }

        .accordion-panel p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            margin: 0;
        }

        .timeline-item {
            display: flex;
            gap: 1.5rem;
            padding: 1.5rem 0;
            border-left: 1px solid var(--color-border);
            position: relative;
            margin-left: 1rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -5px;
            top: 1.7rem;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .timeline-year {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            color: var(--color-accent);
            min-width: 4rem;
            font-weight: 600;
        }

        .timeline-content h4 {
            font-size: 1.1rem;
            color: var(--color-primary);
            margin-bottom: 0.3rem;
            font-weight: 500;
        }

        .timeline-content p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        footer.site-footer {
            background: var(--color-primary);
            color: #ccc;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 0.8rem;
            display: block;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #aaa;
            margin: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .footer-col a {
            display: block;
            color: #aaa;
            font-size: 0.9rem;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.82rem;
            color: #888;
        }

        .footer-bottom p {
            margin: 0.3rem 0;
        }

        .footer-disclaimer {
            font-size: 0.78rem;
            color: #777;
            max-width: 700px;
            margin: 0.8rem auto 0 !important;
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .content-grid-3 {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .content-grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .feature-block {
                flex-direction: column;
                gap: 1.5rem;
            }
            .feature-block.reverse {
                flex-direction: column;
            }
            .feature-block .feature-img {
                flex: 0 0 auto;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-main {
                gap: 1.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .banner-inner .section-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-main {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 320px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                padding: 5rem 2rem 2rem;
                gap: 1.5rem;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-smooth);
                z-index: 200;
                align-items: flex-start;
            }
            .nav-main.open {
                right: 0;
            }
            .nav-main .nav-cta {
                margin-top: 0.5rem;
            }
            .mobile-toggle {
                display: block;
                z-index: 210;
                position: relative;
            }
            .content-grid-3,
            .content-grid-2,
            .content-grid-4 {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .banner-inner .section-title {
                font-size: 2rem;
            }
            .quote-block .quote-text {
                font-size: 1.3rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .page-banner {
                padding: var(--spacing-lg) 0 var(--spacing-md);
            }
            .section-padding {
                padding: var(--spacing-lg) 0;
            }
            .section-padding-lg {
                padding: var(--spacing-xl) 0;
            }
        }

        @media (max-width: 520px) {
            .btn {
                padding: 0.7rem 1.5rem;
                font-size: 0.85rem;
            }
            .banner-inner .section-title {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .card-body {
                padding: 1.2rem;
            }
            .container {
                padding: 0 0.8rem;
            }
        }

        .overlay-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 150;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .overlay-bg.show {
            opacity: 1;
            pointer-events: all;
        }

/* roulang page: category1 */
:root {
            /* 主色体系 */
            --color-primary: #1c1c1c;
            --color-accent: #c8a45c;
            --color-accent-deep: #a8883d;
            --color-accent-light: #e0d3b8;
            --color-bg: #fafaf7;
            --color-bg-alt: #f3f0ea;
            --color-bg-dark: #1a1a1a;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #999;
            --color-border: #e8e5df;
            --color-border-light: #f0ede8;
            --color-white: #ffffff;
            --color-success: #5a8a6a;

            /* 圆角 */
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;

            /* 阴影 */
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);

            /* 间距 */
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 88px;

            /* 字体 */
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-display: 'PingFang SC', 'Noto Serif SC', 'STSong', 'Georgia', 'Times New Roman', serif;

            /* 过渡 */
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.25;
            font-weight: 600;
            color: var(--color-primary);
        }

        p {
            margin: 0;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 250, 247, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            padding: 0;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(250, 250, 247, 0.98);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: var(--space-md);
        }

        .logo-wrap {
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

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

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-main a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.02em;
        }

        .nav-main a:hover {
            color: var(--color-accent-deep);
            background: rgba(200, 164, 92, 0.06);
        }

        .nav-main a.active {
            color: var(--color-accent-deep);
            font-weight: 600;
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-main a.nav-cta {
            background: var(--color-primary);
            color: var(--color-white);
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-left: 8px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }

        .nav-main a.nav-cta:hover {
            background: var(--color-accent-deep);
            color: var(--color-white);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .nav-main a.nav-cta::after {
            display: none;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
            transition: color var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            color: var(--color-accent-deep);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            padding: var(--space-sm) 0;
            border-bottom: 1px solid var(--color-border-light);
            background: var(--color-white);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-weak);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--color-border);
            font-size: 0.7rem;
        }

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

        /* ===== 分类 Banner ===== */
        .category-banner {
            position: relative;
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(28, 28, 28, 0.82) 0%,
                    rgba(28, 28, 28, 0.55) 40%,
                    rgba(28, 28, 28, 0.35) 100%);
            z-index: 1;
        }

        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: var(--space-2xl) 0;
            color: var(--color-white);
        }

        .category-banner .banner-tag {
            display: inline-block;
            background: rgba(200, 164, 92, 0.25);
            border: 1px solid rgba(200, 164, 92, 0.5);
            color: var(--color-accent-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-md);
        }

        .category-banner h1 {
            font-family: var(--font-display);
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
            line-height: 1.15;
        }

        .category-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.6;
            font-weight: 400;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--space-2xl) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-white);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--space-xl);
        }

        .section-header h2 {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-xs);
        }

        .section-header .section-line {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: var(--space-sm) auto;
            border-radius: 3px;
        }

        .section-header p {
            color: var(--color-text-weak);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .section-dark .section-header h2 {
            color: var(--color-white);
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== 卡片系统 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--space-lg);
        }

        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
        }

        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

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

        .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--color-bg-alt);
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-spring);
        }

        .card:hover .card-image img {
            transform: scale(1.05);
        }

        .card-image .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .card-body h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .card-body h3 a:hover {
            color: var(--color-accent-deep);
        }

        .card-body .card-meta {
            font-size: 0.82rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .card-body .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.55;
        }

        .card-body .card-link {
            margin-top: auto;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent-deep);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }

        .card-body .card-link:hover {
            gap: 10px;
            color: var(--color-primary);
        }

        .card-body .card-link i {
            font-size: 0.7rem;
        }

        /* ===== 按钮系统 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-align: center;
            white-space: nowrap;
            font-family: var(--font-body);
        }

        .btn-primary {
            background: var(--color-primary);
            color: var(--color-white);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            background: var(--color-accent-deep);
            color: var(--color-white);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-accent:hover {
            background: var(--color-accent-deep);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-border);
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-deep);
            background: rgba(200, 164, 92, 0.04);
        }

        .btn-ghost {
            background: transparent;
            color: var(--color-text);
            padding: 8px 16px;
            font-weight: 500;
        }

        .btn-ghost:hover {
            color: var(--color-accent-deep);
            background: rgba(200, 164, 92, 0.06);
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .badge-accent {
            background: rgba(200, 164, 92, 0.12);
            color: var(--color-accent-deep);
        }

        .badge-dark {
            background: rgba(28, 28, 28, 0.08);
            color: var(--color-primary);
        }

        .badge-outline {
            border: 1px solid var(--color-border);
            color: var(--color-text-weak);
            background: transparent;
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1px;
            background: var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-md);
            padding: var(--space-md);
            background: var(--color-white);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .news-item:hover {
            background: #fdfcf9;
        }

        .news-item .news-thumb {
            flex-shrink: 0;
            width: 100px;
            height: 75px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--color-bg-alt);
        }

        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item .news-info {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--color-primary);
            line-height: 1.35;
        }

        .news-item .news-info .news-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--color-text-light);
            white-space: nowrap;
            padding-top: 2px;
        }

        /* ===== 数据卡片 ===== */
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-card .stat-number {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent-deep);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .stat-card .stat-unit {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--color-accent);
        }

        /* ===== 工艺特色区 ===== */
        .feature-highlight {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }

        .feature-highlight .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--color-bg-alt);
            box-shadow: var(--shadow-md);
        }

        .feature-highlight .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-highlight .feature-text h3 {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.03em;
        }

        .feature-highlight .feature-text p {
            color: var(--color-text-weak);
            line-height: 1.7;
            margin-bottom: var(--space-md);
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.5;
        }

        .feature-list li i {
            color: var(--color-accent);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: var(--space-2xl) 0;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(28, 28, 28, 0.78);
            z-index: 1;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            color: var(--color-white);
        }

        .cta-section h2 {
            font-family: var(--font-display);
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.04em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto var(--space-lg);
            line-height: 1.6;
        }

        .cta-section .btn {
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: var(--radius-md);
        }

        .cta-section .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-lg);
        }

        .cta-section .btn-accent:hover {
            background: #d4b36a;
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #141414;
            color: rgba(255, 255, 255, 0.75);
            padding: var(--space-2xl) 0 var(--space-lg);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-brand .logo-text {
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: var(--space-sm);
            display: block;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space-lg);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.6;
        }

        .footer-disclaimer {
            margin-top: var(--space-sm);
            font-size: 0.75rem !important;
            color: rgba(255, 255, 255, 0.35) !important;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-highlight {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

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

            .nav-main {
                gap: 2px;
            }

            .nav-main a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }

            .nav-main a.nav-cta {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 0;
            }

            .nav-main {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(250, 250, 247, 0.99);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                align-items: stretch;
                padding: var(--space-sm);
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                z-index: 999;
                gap: 2px;
            }

            .nav-main.open {
                display: flex;
            }

            .nav-main a {
                padding: 12px 18px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
                text-align: left;
            }

            .nav-main a.active::after {
                display: none;
            }

            .nav-main a.active {
                background: rgba(200, 164, 92, 0.1);
                border-radius: var(--radius-sm);
            }

            .nav-main a.nav-cta {
                margin-left: 0;
                text-align: center;
                margin-top: 4px;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .category-banner {
                min-height: 300px;
            }

            .card-grid,
            .card-grid-2,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }

            .news-item {
                flex-direction: column;
                gap: var(--space-sm);
            }

            .news-item .news-thumb {
                width: 100%;
                height: 160px;
            }

            .news-item .news-date {
                align-self: flex-start;
            }

            .feature-highlight .feature-image {
                aspect-ratio: 16/10;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .footer-brand p {
                max-width: 100%;
            }

            .stat-card .stat-number {
                font-size: 2.2rem;
            }

            .section {
                padding: var(--space-xl) 0;
            }

            .section-header {
                margin-bottom: var(--space-lg);
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 1.25rem;
            }

            .category-banner {
                min-height: 250px;
            }

            .category-banner h1 {
                font-size: 1.6rem;
            }

            .category-banner .banner-subtitle {
                font-size: 0.9rem;
            }

            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }

            .cta-section h2 {
                font-size: 1.3rem;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .card-body h3 {
                font-size: 1.05rem;
            }

            .stat-card {
                padding: var(--space-md);
            }

            .stat-card .stat-number {
                font-size: 1.8rem;
            }
        }

/* roulang page: category2 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #C9A96E;
            --color-primary-dark: #A88B4E;
            --color-primary-light: #E0D0A8;
            --color-accent: #B8863C;
            --color-bg: #FAF8F5;
            --color-bg-dark: #1C1C1E;
            --color-bg-card: #FFFFFF;
            --color-bg-warm: #F5F0E8;
            --color-text: #2C2C2E;
            --color-text-soft: #5C5C60;
            --color-text-light: #8E8E93;
            --color-text-inverse: #FAF8F5;
            --color-border: #E8E4DC;
            --color-border-light: #F0EDE6;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(28, 28, 30, 0.06);
            --shadow-md: 0 6px 24px rgba(28, 28, 30, 0.10);
            --shadow-lg: 0 14px 48px rgba(28, 28, 30, 0.14);
            --shadow-gold: 0 8px 32px rgba(201, 169, 110, 0.20);
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.75rem;
            --space-lg: 2.75rem;
            --space-xl: 4rem;
            --space-2xl: 6rem;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-serif: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ============ 基础 Reset ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 600;
            color: var(--color-text);
        }

        /* ============ 容器 ============ */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        /* ============ Header / 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 248, 245, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            border-bottom-color: transparent;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.9rem var(--space-md);
            max-width: 1200px;
            margin: 0 auto;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 0.03em;
        }

        .logo-text {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-primary-dark);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-main a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: 20px;
            position: relative;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-main a:hover {
            color: var(--color-primary-dark);
            background: rgba(201, 169, 110, 0.07);
        }

        .nav-main a.active {
            color: var(--color-primary-dark);
            font-weight: 600;
            background: rgba(201, 169, 110, 0.10);
            box-shadow: inset 0 0 0 1px rgba(201, 169, 110, 0.25);
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2.5px;
            border-radius: 2px;
            background: var(--color-primary);
        }

        .nav-cta {
            background: var(--color-primary) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 0.5rem 1.2rem !important;
            border-radius: 22px !important;
            letter-spacing: 0.03em !important;
            box-shadow: 0 2px 10px rgba(201, 169, 110, 0.30);
            transition: all var(--transition-smooth) !important;
        }

        .nav-cta:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 4px 18px rgba(201, 169, 110, 0.40) !important;
            transform: translateY(-1px);
            color: #fff !important;
        }

        .nav-cta.active::after {
            display: none;
        }

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(201, 169, 110, 0.10);
            color: var(--color-primary-dark);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            background: var(--color-bg-warm);
            border-bottom: 1px solid var(--color-border-light);
            padding: 0.7rem 0;
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-text-soft);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-bar .separator {
            color: var(--color-text-light);
            font-size: 0.7rem;
        }

        .breadcrumb-bar .current {
            color: var(--color-primary-dark);
            font-weight: 600;
        }

        /* ============ 页面 Banner ============ */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            overflow: hidden;
        }

        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.45;
            z-index: 0;
        }

        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(28, 28, 30, 0.55) 0%, rgba(28, 28, 30, 0.80) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: var(--space-2xl) var(--space-md);
            max-width: 800px;
            margin: 0 auto;
        }

        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(201, 169, 110, 0.25);
            color: var(--color-primary-light);
            border: 1px solid rgba(201, 169, 110, 0.35);
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-md);
        }

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-sm);
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(250, 248, 245, 0.85);
            line-height: 1.7;
            max-width: 620px;
            margin: 0 auto;
        }

        /* ============ Section 通用 ============ */
        .section {
            padding: var(--space-2xl) 0;
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
        }

        .section-warm {
            background: var(--color-bg-warm);
        }

        .section-title {
            text-align: center;
            margin-bottom: var(--space-xl);
        }

        .section-title h2 {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 0.5rem;
        }

        .section-title .title-line {
            display: block;
            width: 50px;
            height: 3px;
            background: var(--color-primary);
            margin: 0.75rem auto;
            border-radius: 2px;
        }

        .section-title p {
            color: var(--color-text-soft);
            font-size: 1rem;
            max-width: 550px;
            margin: 0 auto;
        }

        .section-dark .section-title h2 {
            color: #fff;
        }

        .section-dark .section-title p {
            color: rgba(250, 248, 245, 0.7);
        }

        /* ============ 卡片系统 ============ */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: var(--space-lg);
        }

        .card-grid.tight {
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--space-md);
        }

        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-warm);
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .card:hover .card-image img {
            transform: scale(1.04);
        }

        .card-image .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(28, 28, 30, 0.75);
            color: #fff;
            padding: 0.3rem 0.75rem;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            backdrop-filter: blur(6px);
        }

        .card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }

        .card-body p {
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
        }

        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-top: var(--space-sm);
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: var(--color-primary-dark);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: var(--space-sm);
            transition: gap var(--transition-fast);
        }

        .card-body .card-link:hover {
            gap: 0.6rem;
            color: var(--color-accent);
        }

        /* ============ 列表样式 ============ */
        .content-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1px;
            background: var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }

        .content-list li {
            background: var(--color-bg-card);
            padding: var(--space-md);
            display: flex;
            align-items: center;
            gap: var(--space-md);
            transition: all var(--transition-fast);
        }

        .content-list li:hover {
            background: var(--color-bg-warm);
        }

        .content-list .list-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary-dark);
        }

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

        .content-list .list-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.2rem;
        }

        .content-list .list-info p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .content-list .list-arrow {
            flex-shrink: 0;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
        }

        .content-list li:hover .list-arrow {
            color: var(--color-primary);
            transform: translateX(3px);
        }

        /* ============ 数据亮点 ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            text-align: center;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(201, 169, 110, 0.35);
            box-shadow: var(--shadow-gold);
        }

        .stat-card .stat-num {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: 0.3rem;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(250, 248, 245, 0.7);
            letter-spacing: 0.04em;
        }

        /* ============ Button 系统 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.30);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.40);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary-dark);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(250, 248, 245, 0.5);
            color: #fff;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 0.85rem 2.2rem;
            font-size: 1.05rem;
            border-radius: 28px;
        }

        /* ============ FAQ 折叠 ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-primary-light);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: var(--space-md);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            background: none;
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--color-primary-dark);
            transition: all var(--transition-smooth);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

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

        .faq-answer-inner {
            padding: 0 var(--space-md) var(--space-md);
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ============ CTA 区块 ============ */
        .cta-section {
            background: linear-gradient(160deg, #1C1C1E 0%, #2A2825 40%, #1C1C1E 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: var(--space-2xl) var(--space-md);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.10) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-sm);
        }

        .cta-section p {
            color: rgba(250, 248, 245, 0.8);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto var(--space-lg);
        }

        .cta-buttons {
            display: flex;
            gap: var(--space-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #18181A;
            color: rgba(250, 248, 245, 0.75);
            padding: var(--space-2xl) 0 var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-brand .logo-text {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-sm);
            display: block;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(250, 248, 245, 0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
        }

        .footer-col a {
            display: block;
            color: rgba(250, 248, 245, 0.6);
            font-size: 0.88rem;
            padding: 0.3rem 0;
            transition: all var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(250, 248, 245, 0.45);
            line-height: 1.7;
        }

        .footer-disclaimer {
            font-size: 0.78rem;
            color: rgba(250, 248, 245, 0.35);
            margin-top: 0.5rem;
            max-width: 750px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ 工艺亮点横排区块 ============ */
        .highlight-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }

        .highlight-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            box-shadow: var(--shadow-lg);
        }

        .highlight-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .highlight-text h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
        }

        .highlight-text p {
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: var(--space-md);
        }

        .highlight-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .highlight-features li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .highlight-features li i {
            color: var(--color-primary);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        /* ============ 响应式断点 ============ */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
            .highlight-row {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-main {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0;
                padding-top: var(--space-sm);
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main a {
                width: 100%;
                justify-content: center;
                padding: 0.7rem;
                border-radius: var(--radius-sm);
            }
            .nav-main a.active::after {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
            .stat-card .stat-num {
                font-size: 2rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.tight {
                grid-template-columns: 1fr 1fr;
            }
            .page-banner {
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .section {
                padding: var(--space-xl) 0;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .highlight-row {
                grid-template-columns: 1fr;
            }
            .content-list li {
                flex-wrap: wrap;
                gap: var(--space-sm);
            }
        }

        @media (max-width: 520px) {
            .card-grid.tight {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .stat-card .stat-num {
                font-size: 1.6rem;
            }
            .stat-card .stat-label {
                font-size: 0.78rem;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .btn-lg {
                padding: 0.7rem 1.4rem;
                font-size: 0.9rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .breadcrumb-bar .container {
                font-size: 0.78rem;
            }
        }

        /* ============ 动画辅助 ============ */
        .fade-in-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============ Foundation 覆盖 ============ */
        .foundation .row {
            max-width: 1200px;
        }
        @media print, screen and (min-width: 40em) {
            .foundation .row {
                max-width: 1200px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1c1c1e;
            --color-primary-light: #2d2d30;
            --color-accent: #c8a45c;
            --color-accent-hover: #b8933f;
            --color-accent-light: rgba(200, 164, 92, 0.08);
            --color-accent-pale: rgba(200, 164, 92, 0.04);
            --color-bg: #faf7f3;
            --color-bg-warm: #f5f0e8;
            --color-surface: #ffffff;
            --color-surface-alt: #fdfaf6;
            --color-text: #2c2c2e;
            --color-text-strong: #1a1a1c;
            --color-text-weak: #6e6e72;
            --color-text-muted: #9a9a9e;
            --color-border: #e8e4dc;
            --color-border-light: #f0ece6;
            --color-success: #5a8f6b;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 32px;
            --space-2xl: 48px;
            --space-3xl: 64px;
            --space-4xl: 80px;
            --font-serif: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', serif;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea,
        select {
            font-family: inherit;
        }

        /* Container */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 var(--space-md);
            }
        }

        /* ========== HEADER & NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }
        @media (max-width: 640px) {
            .header-inner {
                height: 56px;
                padding: 0 var(--space-md);
            }
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-accent);
        }
        .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
            flex-shrink: 0;
        }
        @media (max-width: 640px) {
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-dot {
                width: 6px;
                height: 6px;
            }
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            list-style: none;
        }
        .nav-main a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-weak);
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-main a:hover {
            color: var(--color-text-strong);
            background: var(--color-accent-pale);
        }
        .nav-main a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 1px;
            background: var(--color-accent);
        }
        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 18px !important;
            border-radius: var(--radius-md) !important;
            margin-left: var(--space-sm);
            transition: all var(--transition-smooth) !important;
        }
        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            color: #fff !important;
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }
        .nav-cta::after {
            display: none !important;
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text-strong);
            padding: 6px;
            cursor: pointer;
            line-height: 1;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: var(--color-accent-pale);
        }

        @media (max-width: 920px) {
            .nav-main {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: var(--space-md);
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 999;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }
            .nav-main a.active::after {
                display: none;
            }
            .nav-main a.active {
                background: var(--color-accent-pale);
                border-left: 3px solid var(--color-accent);
            }
            .nav-cta {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                margin-top: var(--space-sm);
            }
            .nav-toggle {
                display: block;
            }
        }
        @media (max-width: 640px) {
            .nav-main {
                top: 56px;
                max-height: calc(100vh - 56px);
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary-light) url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(28, 28, 30, 0.55) 0%, rgba(28, 28, 30, 0.72) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 720px;
            padding: var(--space-3xl) var(--space-lg);
        }
        .page-banner .banner-badge {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            border: 1px solid rgba(200, 164, 92, 0.5);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: var(--space-lg);
            background: rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(4px);
        }
        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-md);
            line-height: 1.25;
        }
        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 560px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 340px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-badge {
                font-size: 0.7rem;
                padding: 4px 12px;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--space-4xl) 0;
        }
        .section-sm {
            padding: var(--space-3xl) 0;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-text-strong);
            text-align: center;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--color-text-weak);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto var(--space-3xl);
            line-height: 1.6;
        }
        .section-divider {
            width: 48px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-accent);
            margin: 0 auto var(--space-2xl);
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--space-3xl) 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: var(--space-2xl);
            }
        }

        /* ========== INTRO SECTION ========== */
        .intro-text-block {
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text-weak);
        }
        .intro-text-block strong {
            color: var(--color-text-strong);
            font-weight: 600;
        }
        .intro-text-block a {
            color: var(--color-accent);
            font-weight: 500;
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition-fast);
        }
        .intro-text-block a:hover {
            border-bottom-color: var(--color-accent);
            color: var(--color-accent-hover);
        }

        /* ========== LIFESTYLE CARDS GRID ========== */
        .lifestyle-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-xl);
        }
        @media (max-width: 1024px) {
            .lifestyle-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-lg);
            }
        }
        @media (max-width: 640px) {
            .lifestyle-cards-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }

        .lifestyle-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }
        .lifestyle-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .lifestyle-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-warm);
        }
        .lifestyle-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .lifestyle-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .lifestyle-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            background: rgba(255, 255, 255, 0.9);
            color: var(--color-accent);
            padding: 5px 12px;
            border-radius: 50px;
            backdrop-filter: blur(6px);
            z-index: 2;
        }
        .lifestyle-card .card-body {
            padding: var(--space-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .lifestyle-card .card-body h3 {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-strong);
            line-height: 1.4;
            margin: 0;
        }
        .lifestyle-card .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }
        .lifestyle-card .card-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            padding-top: var(--space-sm);
            border-top: 1px solid var(--color-border-light);
        }
        .lifestyle-card .card-meta i {
            color: var(--color-accent);
            font-size: 0.7rem;
        }

        /* ========== FEATURED DEEP CONTENT ========== */
        .featured-deep-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-2xl);
            align-items: center;
        }
        @media (max-width: 768px) {
            .featured-deep-grid {
                grid-template-columns: 1fr;
                gap: var(--space-xl);
            }
        }
        .featured-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--color-bg-warm);
            box-shadow: var(--shadow-md);
        }
        .featured-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .featured-image-wrap:hover img {
            transform: scale(1.03);
        }
        .featured-text h3 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: var(--space-md);
            line-height: 1.35;
        }
        .featured-text p {
            font-size: 1rem;
            color: var(--color-text-weak);
            line-height: 1.8;
            margin-bottom: var(--space-lg);
        }
        .featured-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .featured-list li {
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.5;
        }
        .featured-list li i {
            color: var(--color-accent);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-md);
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
            }
        }
        .stat-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-lg);
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: var(--space-sm);
            opacity: 0.85;
        }
        .stat-card .stat-number {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-text-strong);
            line-height: 1;
            margin-bottom: var(--space-xs);
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            letter-spacing: 0.03em;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-item.open {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: var(--space-lg);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-strong);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            line-height: 1.5;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent-pale);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-accent);
            transition: all var(--transition-smooth);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 var(--space-lg) var(--space-lg);
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.75;
        }

        /* ========== CTA SECTION ========== */
        .cta-section-alt {
            background: var(--color-primary);
            color: #fff;
            text-align: center;
            padding: var(--space-4xl) var(--space-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-section-alt::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section-alt .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-section-alt h2 {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            letter-spacing: 0.02em;
        }
        .cta-section-alt p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--space-xl);
            line-height: 1.7;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: var(--space-sm);
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            text-decoration: none;
        }
        .btn-cta-large:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: var(--space-sm);
            background: transparent;
            color: #fff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            text-decoration: none;
            margin-left: var(--space-md);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        @media (max-width: 520px) {
            .cta-section-alt h2 {
                font-size: 1.5rem;
            }
            .btn-outline-light {
                margin-left: 0;
                margin-top: var(--space-md);
            }
            .cta-buttons-row {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: var(--space-sm);
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--space-3xl) 0 var(--space-xl);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .site-footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--space-2xl);
            margin-bottom: var(--space-2xl);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xl);
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }
        .footer-brand .logo-text {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            display: block;
            margin-bottom: var(--space-sm);
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: var(--space-md);
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--space-lg);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-disclaimer {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            margin-top: var(--space-sm);
            line-height: 1.5;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 640px) {
            .site-footer {
                padding: var(--space-2xl) 0 var(--space-lg);
            }
            .footer-bottom {
                font-size: 0.72rem;
            }
            .footer-disclaimer {
                font-size: 0.68rem;
            }
        }

        /* ========== UTILITIES ========== */
        .text-accent {
            color: var(--color-accent);
        }
        .bg-warm {
            background: var(--color-bg-warm);
        }
        .bg-surface-alt {
            background: var(--color-surface-alt);
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .text-center {
            text-align: center;
        }

        /* Smooth reveal animation */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .reveal-on-scroll {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }
        .reveal-delay-1 {
            animation-delay: 0.1s;
        }
        .reveal-delay-2 {
            animation-delay: 0.2s;
        }
        .reveal-delay-3 {
            animation-delay: 0.3s;
        }

        /* Focus outline for accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ========== FOUNDATION OVERRIDES ========== */
        .row {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        .row .row {
            max-width: none;
        }
        @media (max-width: 640px) {
            .row {
                padding-left: var(--space-md);
                padding-right: var(--space-md);
            }
        }