/* roulang page: index */
:root {
            --color-primary: #1a1a24;
            --color-primary-light: #2a2a38;
            --color-accent: #c8a06e;
            --color-accent-hover: #d4b07f;
            --color-accent-subtle: #f5ede3;
            --color-bg: #fafaf8;
            --color-bg-warm: #f6f3ed;
            --color-bg-dark: #14141c;
            --color-bg-dark2: #1e1e2a;
            --color-text: #1c1c24;
            --color-text-soft: #5a5a68;
            --color-text-light: #8a8a96;
            --color-text-on-dark: #e8e8e8;
            --color-text-on-dark-soft: #b0b0b8;
            --color-border: #e5e4df;
            --color-border-light: #efeeea;
            --color-white: #ffffff;
            --color-success: #4a8c6f;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-pill: 50px;
            --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, 0.13);
            --shadow-card-hover: 0 18px 44px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-display: 'Georgia', 'Noto Serif SC', 'Songti SC', 'STSong', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --navbar-height: 62px;
            --navbar-capsule-height: 52px;
        }

        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            padding-top: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            background: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

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

        /* ========== NAVBAR ========== */
        .navbar-capsule-wrapper {
            position: fixed;
            top: 14px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            width: auto;
            max-width: 94vw;
            pointer-events: auto;
        }

        .navbar-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 8px 16px 8px 22px;
            background: rgba(26, 26, 36, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-lg);
            min-height: var(--navbar-capsule-height);
            transition: all var(--transition-smooth);
        }

        .navbar-capsule.scrolled {
            background: rgba(20, 20, 28, 0.94);
            box-shadow: var(--shadow-xl);
        }

        .nav-brand {
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 700;
            color: #f0e8d8;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-brand:hover {
            color: var(--color-accent);
        }
        .nav-brand-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), #d4b98c);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #1a1a24;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link-capsule {
            display: inline-block;
            padding: 7px 16px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c8c8d0;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            position: relative;
        }
        .nav-link-capsule:hover {
            color: #f0e8d8;
            background: rgba(255, 255, 255, 0.07);
        }
        .nav-link-capsule.active {
            color: #fff;
            background: rgba(200, 160, 110, 0.22);
            font-weight: 600;
            box-shadow: 0 0 0 1px rgba(200, 160, 110, 0.3) inset;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.88rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #1a1a24;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover);
            color: #1a1a24;
            box-shadow: 0 4px 16px rgba(200, 160, 110, 0.35);
            transform: translateY(-1px);
        }

        /* Mobile nav toggle */
        .navbar-toggler-custom {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            flex-shrink: 0;
            color: #e0d8c8;
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.14);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(14, 14, 22, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            z-index: 1060;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 40px 20px;
        }
        .mobile-nav-panel.show {
            display: flex;
        }
        .mobile-nav-panel .nav-link-capsule {
            font-size: 1.15rem;
            padding: 12px 28px;
            color: #d0d0d8;
        }
        .mobile-nav-panel .nav-link-capsule.active {
            color: #fff;
            background: rgba(200, 160, 110, 0.25);
        }
        .mobile-nav-close {
            position: absolute;
            top: 20px;
            right: 24px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #e0d8c8;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .mobile-nav-close:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        /* ========== CONTAINER ========== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== SECTIONS ========== */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-lg {
            padding: 100px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 12px;
            position: relative;
            padding-left: 18px;
        }
        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
            color: var(--color-primary);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 620px;
            line-height: 1.7;
        }
        .section-title-light {
            color: #f0e8d8;
        }
        .section-subtitle-light {
            color: var(--color-text-on-dark-soft);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background: var(--color-bg-dark);
            padding-top: 80px;
            padding-bottom: 60px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            filter: brightness(0.35) saturate(0.7);
            transform: scale(1.03);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(20, 20, 28, 0.55) 0%, rgba(14, 14, 22, 0.78) 60%, rgba(10, 10, 16, 0.9) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 750px;
            padding: 0 20px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 24px;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            color: #f0e8d8;
            border: 1px solid rgba(200, 160, 110, 0.45);
            background: rgba(200, 160, 110, 0.08);
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .hero-title {
            font-family: var(--font-display);
            font-size: 3.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            line-height: 1.18;
            margin-bottom: 18px;
        }
        .hero-title span {
            color: var(--color-accent);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: #c8c8d4;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.65;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #1a1a24;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-md);
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #1a1a24;
        }
        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 500;
            background: transparent;
            color: #f0e8d8;
            border: 1.5px solid rgba(240, 232, 216, 0.45);
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
        }
        .btn-outline-light-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(200, 160, 110, 0.07);
        }

        /* ========== BRAND MATRIX CARDS ========== */
        .brand-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .brand-matrix-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border-light);
        }
        .brand-matrix-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .brand-matrix-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .brand-matrix-card:hover .brand-matrix-card-img {
            transform: scale(1.04);
        }
        .brand-matrix-card-body {
            padding: 18px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .brand-matrix-card-tag {
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--color-accent);
            text-transform: uppercase;
        }
        .brand-matrix-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
        }
        .brand-matrix-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }
        .brand-matrix-card-link {
            margin-top: auto;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast);
        }
        .brand-matrix-card:hover .brand-matrix-card-link {
            gap: 10px;
        }

        /* ========== STATS / DATA DASHBOARD ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-lg);
            background: var(--color-white);
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-family: var(--font-display);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }
        .stat-unit {
            font-size: 1.1rem;
            font-weight: 400;
            color: var(--color-accent);
        }

        /* ========== CONTENT CARDS / NEWS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .news-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .news-card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 190px;
        }
        .news-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-card-img {
            transform: scale(1.05);
        }
        .news-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(26, 26, 36, 0.82);
            color: #f0e8d8;
            backdrop-filter: blur(6px);
        }
        .news-card-body {
            padding: 16px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-card-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }
        .news-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-readmore {
            margin-top: auto;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== FEATURE BLOCK ========== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .feature-block.reverse {
            direction: rtl;
        }
        .feature-block.reverse>* {
            direction: ltr;
        }
        .feature-img-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .feature-img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            border-radius: var(--radius-xl);
            transition: transform var(--transition-slow);
        }
        .feature-img-wrap:hover .feature-img {
            transform: scale(1.03);
        }
        .feature-text {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .feature-title {
            font-family: var(--font-display);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
        }
        .feature-desc {
            font-size: 1rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feature-list-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.5;
        }
        .feature-list-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-accent-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 0.7rem;
            margin-top: 2px;
        }

        /* ========== CRAFT SHOWCASE ========== */
        .craft-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .craft-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 340px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .craft-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .craft-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .craft-card:hover .craft-card-img {
            transform: scale(1.06);
        }
        .craft-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px 20px 20px;
            background: linear-gradient(transparent, rgba(10, 10, 16, 0.85));
            color: #fff;
        }
        .craft-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .craft-card-sub {
            font-size: 0.85rem;
            color: #d0d0d8;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--color-white);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background: transparent;
            box-shadow: none !important;
            padding: 18px 20px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: var(--color-accent-subtle);
            border-bottom: 1px solid var(--color-border-light);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--color-accent);
        }
        .faq-accordion .accordion-body {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            padding: 16px 20px 20px;
        }
        .accordion-button::after {
            transition: transform var(--transition-smooth);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-bg-dark);
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-xl);
            margin: 0 24px;
            padding: 70px 40px;
            text-align: center;
        }
        .cta-bg-pattern {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.13;
            filter: blur(1px);
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-desc {
            font-size: 1rem;
            color: #c8c8d4;
            margin-bottom: 28px;
            line-height: 1.6;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark-soft);
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand-name {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: #f0e8d8;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: #a0a0aa;
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            color: #d8d0c0;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: #a0a0aa;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: #787880;
        }
        .footer-bottom a {
            color: #909098;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-disclaimer {
            font-size: 0.78rem;
            color: #6a6a72;
            max-width: 500px;
            line-height: 1.5;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .brand-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .craft-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-block {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .feature-img {
                height: 320px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .hero-title {
                font-size: 2.6rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .nav-links-desktop .nav-link-capsule {
                padding: 7px 10px;
                font-size: 0.8rem;
            }
            .navbar-capsule {
                padding: 8px 12px 8px 16px;
                gap: 10px;
            }
            .nav-brand {
                font-size: 1.1rem;
            }
            .cta-section {
                margin: 0 12px;
                padding: 50px 24px;
                border-radius: var(--radius-lg);
            }
        }

        @media (max-width: 768px) {
            .navbar-capsule-wrapper {
                top: 8px;
                max-width: 96vw;
            }
            .navbar-capsule {
                padding: 8px 14px;
                gap: 8px;
                border-radius: 32px;
            }
            .nav-links-desktop {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .brand-matrix-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .brand-matrix-card-img {
                height: 150px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .craft-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .craft-card {
                height: 260px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 22px 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .feature-img {
                height: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                margin: 0 8px;
                padding: 40px 18px;
                border-radius: var(--radius-md);
            }
            .cta-title {
                font-size: 1.6rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-padding-lg {
                padding: 60px 0;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .feature-block.reverse {
                direction: ltr;
            }
        }

        @media (max-width: 520px) {
            .brand-matrix-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .craft-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .craft-card {
                height: 240px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .navbar-capsule {
                padding: 6px 10px 6px 14px;
                border-radius: 26px;
                gap: 6px;
            }
            .nav-brand {
                font-size: 1rem;
            }
            .nav-brand-icon {
                width: 24px;
                height: 24px;
                font-size: 11px;
            }
            .nav-cta-btn {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .navbar-capsule-wrapper {
                top: 4px;
                max-width: 98vw;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-padding {
                padding: 38px 0;
            }
            .section-padding-lg {
                padding: 48px 0;
            }
            .cta-section {
                margin: 0 4px;
                padding: 32px 14px;
                border-radius: var(--radius-md);
            }
            .feature-img {
                height: 220px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #c9a96e;
            --color-accent-soft: #e0d3b8;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f1ec;
            --color-bg-dark: #1c1c1e;
            --color-text: #1e1e24;
            --color-text-soft: #5c5c66;
            --color-text-light: #8a8a94;
            --color-white: #ffffff;
            --color-border: #e8e5df;
            --color-border-light: #f0ede7;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-capsule: 50px;
            --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 22px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 22px 56px rgba(0, 0, 0, 0.12);
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 3rem;
            --spacing-3xl: 4rem;
            --spacing-4xl: 5rem;
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
        }

        *,
        *::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);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 1rem;
            letter-spacing: 0.01em;
            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;
            border: none;
            background: none;
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

        /* ======== 容器 ======== */
        .container-custom {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 var(--spacing-xl);
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }

        /* ======== 导航栏 - 悬浮胶囊 ======== */
        .navbar-capsule {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-capsule);
            padding: 0.55rem 1.1rem 0.55rem 1.6rem;
            gap: 1rem;
            box-shadow: var(--shadow-md);
            width: auto;
            min-width: 360px;
            max-width: 95vw;
            transition: all var(--transition-smooth);
        }

        .navbar-capsule.scrolled {
            box-shadow: var(--shadow-lg);
            background: rgba(255, 255, 255, 0.97);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.18rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

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

        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: 50%;
            font-size: 0.9rem;
            font-weight: 700;
            font-family: var(--font-heading);
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: nowrap;
        }

        .nav-link-capsule {
            display: inline-block;
            padding: 0.45rem 0.9rem;
            border-radius: var(--radius-capsule);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }

        .nav-link-capsule:hover {
            color: var(--color-primary);
            background: rgba(0, 0, 0, 0.04);
        }

        .nav-link-capsule.active {
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .nav-link-capsule.active:hover {
            background: #2a2a3e;
            color: var(--color-white);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-capsule);
            font-size: 0.86rem;
            font-weight: 600;
            background: var(--color-accent);
            color: var(--color-white);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background: #b8944f;
            color: var(--color-white);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            display: none;
            font-size: 1.3rem;
            color: var(--color-primary);
            padding: 0.4rem 0.6rem;
            border-radius: 50%;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .navbar-toggler-custom:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* 移动端导航 */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-cta-btn {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-capsule {
                padding: 0.5rem 1rem;
                gap: 0.5rem;
                border-radius: var(--radius-lg);
            }
            .nav-brand {
                font-size: 1.05rem;
            }
            .nav-brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-capsule {
                top: 8px;
                padding: 0.4rem 0.8rem;
                border-radius: var(--radius-md);
                min-width: auto;
                width: 94vw;
            }
            .nav-brand {
                font-size: 0.95rem;
                gap: 0.35rem;
            }
            .nav-brand-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .navbar-toggler-custom {
                font-size: 1.1rem;
                padding: 0.3rem 0.5rem;
            }
        }

        /* 移动端抽屉菜单 */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            max-width: 80vw;
            height: 100vh;
            background: var(--color-white);
            z-index: 1060;
            box-shadow: var(--shadow-xl);
            padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-xl);
            transition: right var(--transition-spring);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 1055;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-drawer-backdrop.show {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 0.5rem;
            border-radius: 50%;
            transition: all var(--transition-fast);
        }

        .mobile-drawer-close:hover {
            background: rgba(0, 0, 0, 0.06);
        }

        .mobile-drawer .nav-link-mobile {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-drawer .nav-link-mobile:hover,
        .mobile-drawer .nav-link-mobile.active {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .mobile-drawer .mobile-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.7rem 1.4rem;
            border-radius: var(--radius-capsule);
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            text-align: center;
        }

        .mobile-drawer .mobile-cta:hover {
            background: #b8944f;
            color: var(--color-white);
        }

        /* ======== 页面内页 Banner ======== */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            padding: var(--spacing-4xl) 0 var(--spacing-3xl);
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            margin-top: 0;
            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) 60%,
                    rgba(28, 28, 30, 0.88) 100%);
            z-index: 1;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .page-banner .banner-eyebrow {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: var(--radius-capsule);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            color: var(--color-accent-soft);
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 600px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 300px;
                padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 260px;
                padding: var(--spacing-2xl) 0 var(--spacing-xl);
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-desc {
                font-size: 0.88rem;
            }
        }

        /* ======== 板块通用 ======== */
        .section-pad {
            padding: var(--spacing-4xl) 0;
        }

        .section-pad-sm {
            padding: var(--spacing-3xl) 0;
        }

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

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            max-width: 650px;
        }

        .section-header {
            margin-bottom: var(--spacing-3xl);
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-pad {
                padding: var(--spacing-3xl) 0;
            }
            .section-header {
                margin-bottom: var(--spacing-2xl);
            }
        }

        /* ======== 工艺分类卡片网格 ======== */
        .craft-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

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

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

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

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

        .craft-card:hover .craft-card-img-wrap img {
            transform: scale(1.06);
        }

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

        .craft-card-tag {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-capsule);
            background: var(--color-bg-alt);
            color: var(--color-accent);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
            width: fit-content;
            text-transform: uppercase;
        }

        .craft-card-title {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }

        .craft-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: var(--spacing-md);
        }

        .craft-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .craft-card-link:hover {
            color: #b8944f;
            gap: 0.6rem;
        }

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

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

        @media (max-width: 1024px) {
            .craft-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 600px) {
            .craft-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .craft-card-body {
                padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
            }
        }

        /* ======== 工艺数据看板 ======== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .stat-item {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-smooth);
        }

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

        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: var(--spacing-xs);
        }

        .stat-label {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .stat-item {
                padding: var(--spacing-md);
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ======== 工艺文章列表 ======== */
        .article-list-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        .article-row {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-xl);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .article-row:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-soft);
            transform: translateX(3px);
        }

        .article-row-thumb {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }

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

        .article-row:hover .article-row-thumb img {
            transform: scale(1.05);
        }

        .article-row-info {
            flex: 1;
            min-width: 0;
        }

        .article-row-info h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.3rem;
            line-height: 1.4;
        }

        .article-row-info p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-row-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-shrink: 0;
        }

        .article-row-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            white-space: nowrap;
        }

        .article-row-arrow {
            font-size: 1rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
        }

        .article-row:hover .article-row-arrow {
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .article-row {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-md);
                padding: var(--spacing-md) var(--spacing-lg);
            }
            .article-row-thumb {
                width: 100%;
                height: 160px;
                border-radius: var(--radius-md);
            }
            .article-row-meta {
                width: 100%;
                justify-content: space-between;
            }
        }

        /* ======== FAQ 折叠 ======== */
        .faq-accordion-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion-header {
            width: 100%;
            padding: var(--spacing-lg) var(--spacing-xl);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            background: transparent;
            transition: all var(--transition-fast);
            text-align: left;
            gap: var(--spacing-md);
        }

        .faq-accordion-header:hover {
            color: var(--color-accent);
        }

        .faq-accordion-header i {
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-accordion-header[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-accordion-body {
            padding: 0 var(--spacing-xl) var(--spacing-lg);
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            display: none;
        }

        .faq-accordion-body.show {
            display: block;
        }

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

        .cta-section-alt::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(28, 28, 30, 0.78);
            z-index: 1;
            border-radius: var(--radius-xl);
        }

        .cta-section-alt>* {
            position: relative;
            z-index: 2;
        }

        .cta-section-alt h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.03em;
        }

        .cta-section-alt p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.6;
        }

        .btn-accent-lg {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-capsule);
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }

        .btn-accent-lg:hover {
            background: #b8944f;
            color: var(--color-white);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section-alt {
                padding: var(--spacing-2xl) var(--spacing-lg);
                border-radius: var(--radius-lg);
            }
            .cta-section-alt h3 {
                font-size: 1.4rem;
            }
            .cta-section-alt p {
                font-size: 0.9rem;
            }
            .btn-accent-lg {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
            }
        }

        /* ======== 页脚 ======== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-3xl) 0 var(--spacing-xl);
            margin-top: var(--spacing-3xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .footer-col-title {
            font-weight: 600;
            color: var(--color-white);
            font-size: 0.95rem;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.03em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-disclaimer {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.5;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-lg);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.3rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .site-footer {
                padding: var(--spacing-2xl) 0 var(--spacing-lg);
            }
        }

        /* ======== 面包屑 ======== */
        .breadcrumb-row {
            padding: 6.5rem 0 0;
            font-size: 0.85rem;
            color: var(--color-text-soft);
        }

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

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

        .breadcrumb-row .separator {
            margin: 0 0.5rem;
            color: var(--color-text-light);
        }

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

        @media (max-width: 768px) {
            .breadcrumb-row {
                padding: 5.5rem 0 0;
                font-size: 0.8rem;
            }
        }

        /* ======== 背景色板块 ======== */
        .bg-alt {
            background: var(--color-bg-alt);
        }

        /* ======== 分隔装饰线 ======== */
        .divider-accent {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin-bottom: var(--spacing-md);
        }

        /* ======== 标签徽章 ======== */
        .badge-pill {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            border-radius: var(--radius-capsule);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: var(--color-bg-alt);
            color: var(--color-accent);
        }

        /* ======== 关键词高亮 ======== */
        .highlight-accent {
            color: var(--color-accent);
            font-weight: 600;
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1a26;
            --color-accent: #c9a05a;
            --color-accent-light: #e0c78a;
            --color-accent-dark: #a07830;
            --color-bg: #f9f7f4;
            --color-bg-alt: #f0ece6;
            --color-surface: #ffffff;
            --color-text: #1c1c22;
            --color-text-soft: #5c5c66;
            --color-text-muted: #8a8a94;
            --color-border: #e4dfd6;
            --color-border-light: #f0ece6;
            --color-capsule-bg: rgba(255, 255, 255, 0.92);
            --color-capsule-shadow: rgba(0, 0, 0, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 22px 56px rgba(0, 0, 0, 0.13);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-display: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
            --nav-height: 64px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            line-height: 1.3;
            color: var(--color-primary);
            margin-top: 0;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 18px;
                padding-right: 18px;
            }
        }

        /* ========== NAVIGATION - 悬浮胶囊 ========== */
        .navbar-capsule-wrapper {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            width: calc(100% - 40px);
            max-width: 1100px;
        }

        .navbar-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--color-capsule-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-full);
            padding: 8px 10px 8px 22px;
            box-shadow: var(--color-capsule-shadow), 0 1px 3px rgba(0, 0, 0, 0.04);
            border: 1px solid rgba(200, 195, 185, 0.35);
            transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }

        .navbar-capsule.scrolled {
            box-shadow: var(--shadow-lg);
            border-color: rgba(180, 170, 155, 0.5);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-brand:hover {
            color: var(--color-accent-dark);
        }
        .nav-brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-display);
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }
        .nav-link-capsule {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.3px;
            position: relative;
        }
        .nav-link-capsule:hover {
            color: var(--color-primary);
            background: rgba(0, 0, 0, 0.04);
        }
        .nav-link-capsule.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(26, 26, 38, 0.25);
        }
        .nav-link-capsule.active:hover {
            background: #2a2a3a;
            color: #fff;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            box-shadow: 0 4px 16px rgba(201, 160, 90, 0.35);
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: 0 6px 22px rgba(160, 120, 48, 0.4);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: transparent;
            color: var(--color-primary);
            font-size: 1.3rem;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .navbar-toggler-custom:hover {
            background: rgba(0, 0, 0, 0.05);
            border-color: var(--color-border);
        }

        @media (max-width: 1024px) {
            .navbar-capsule-wrapper {
                width: calc(100% - 24px);
                top: 10px;
            }
            .nav-links-desktop {
                gap: 0;
            }
            .nav-link-capsule {
                padding: 8px 11px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 8px 15px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .nav-brand {
                font-size: 1.05rem;
                gap: 6px;
            }
            .nav-brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-capsule-wrapper {
                width: calc(100% - 16px);
                top: 8px;
            }
            .navbar-capsule {
                padding: 8px 12px 8px 16px;
                border-radius: var(--radius-xl);
            }
            .nav-links-desktop {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                flex-direction: column;
                background: #fff;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-xl);
                padding: 14px 10px;
                gap: 2px;
                border: 1px solid var(--color-border);
                z-index: 1060;
            }
            .nav-links-desktop.open {
                display: flex;
            }
            .nav-link-capsule {
                width: 100%;
                text-align: center;
                justify-content: center;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-cta-btn {
                font-size: 0.82rem;
                padding: 9px 14px;
            }
            .navbar-toggler-custom {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            .nav-brand {
                font-size: 0.95rem;
                gap: 4px;
            }
            .nav-brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .nav-cta-btn {
                font-size: 0.75rem;
                padding: 7px 12px;
                gap: 3px;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            margin-top: 0;
            padding-top: 100px;
            padding-bottom: 60px;
            isolation: isolate;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(26, 26, 38, 0.55) 0%,
                    rgba(26, 26, 38, 0.7) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 0 24px;
        }
        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .page-banner h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .page-banner .banner-subtitle {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.15rem;
            line-height: 1.7;
            max-width: 550px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 320px;
                padding-top: 90px;
                padding-bottom: 40px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 280px;
                padding-top: 80px;
                padding-bottom: 32px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section-pad {
            padding: 70px 0;
        }
        .section-pad-sm {
            padding: 50px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-primary);
        }
        .section-header .section-divider {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: 14px auto;
            border-radius: 2px;
        }
        .section-header p {
            color: var(--color-text-soft);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 44px 0;
            }
            .section-pad-sm {
                padding: 32px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== INTRO BLOCK ========== */
        .intro-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-block .intro-text h3 {
            font-size: 1.55rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-primary);
        }
        .intro-block .intro-text p {
            color: var(--color-text-soft);
            font-size: 1.02rem;
            line-height: 1.8;
            margin-bottom: 10px;
        }
        .intro-block .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .intro-block .intro-image:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .intro-block .intro-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        @media (max-width: 768px) {
            .intro-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .intro-block .intro-image img {
                height: 260px;
            }
            .intro-block .intro-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card-heritage {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .card-heritage:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }
        .card-heritage .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 220px;
        }
        .card-heritage .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .card-heritage:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-heritage .card-img-wrap .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: rgba(26, 26, 38, 0.78);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.4px;
            backdrop-filter: blur(4px);
        }
        .card-heritage .card-body-custom {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-heritage .card-body-custom h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-primary);
            line-height: 1.4;
        }
        .card-heritage .card-body-custom p {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }
        .card-heritage .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent-dark);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }
        .card-heritage .card-link:hover {
            color: var(--color-accent);
            gap: 10px;
        }

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 22px;
            }
        }
        @media (max-width: 600px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .card-heritage .card-img-wrap {
                height: 180px;
            }
        }

        /* ========== DEEP DIVE SECTION ========== */
        .deep-dive-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .deep-dive-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 22px 20px;
            border-radius: var(--radius-md);
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .deep-dive-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }
        .deep-dive-icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
        }
        .deep-dive-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-primary);
        }
        .deep-dive-content p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 768px) {
            .deep-dive-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .deep-dive-item {
                padding: 16px 14px;
            }
        }

        /* ========== TIMELINE STRIP ========== */
        .timeline-strip {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .timeline-strip::-webkit-scrollbar {
            height: 4px;
        }
        .timeline-strip::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 4px;
        }
        .timeline-item {
            flex: 0 0 220px;
            scroll-snap-align: start;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-smooth);
            flex-shrink: 0;
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
            transform: translateY(-3px);
        }
        .timeline-year {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-display);
            margin-bottom: 6px;
        }
        .timeline-item h5 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .timeline-item p {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 520px) {
            .timeline-item {
                flex: 0 0 170px;
                padding: 16px 12px;
            }
            .timeline-year {
                font-size: 1.3rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 18px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }
        .faq-item:hover .faq-question {
            color: var(--color-accent-dark);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-smooth);
            color: var(--color-text-soft);
        }
        .faq-item.active .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);
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
            padding-right: 48px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 12px;
            padding-bottom: 4px;
        }

        @media (max-width: 520px) {
            .faq-question {
                font-size: 0.95rem;
            }
            .faq-answer {
                font-size: 0.88rem;
                padding-right: 20px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(201, 160, 90, 0.25) 0%, transparent 60%);
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h3 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 22px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-smooth);
            box-shadow: 0 8px 28px rgba(201, 160, 90, 0.45);
        }
        .cta-btn-lg:hover {
            background: #fff;
            color: var(--color-primary);
            box-shadow: 0 12px 36px rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: 34px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .cta-btn-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: #c5c5ce;
            padding: 50px 0 24px;
            margin-top: 60px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .footer-desc {
            color: #a5a5b0;
            font-size: 0.88rem;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col-title {
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-links a {
            color: #a5a5b0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .footer-disclaimer {
            color: #8a8a96;
            font-size: 0.82rem;
            line-height: 1.5;
            margin: 0;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.82rem;
            color: #8a8a96;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 36px 0 20px;
                margin-top: 40px;
            }
        }

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

/* roulang page: category2 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #1a1a1f;
            --primary-soft: #2a2a32;
            --accent: #b8944e;
            --accent-light: #d4b978;
            --accent-pale: #f5efe0;
            --bg: #f9f8f5;
            --bg-warm: #f3f1eb;
            --card-bg: #ffffff;
            --text: #1a1a1f;
            --text-secondary: #3d3d45;
            --text-muted: #6b6b73;
            --text-light: #8e8e96;
            --border: #e5e2db;
            --border-light: #efede7;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-xs: 0 1px 4px rgba(0, 0, 0, 0.03);
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.09);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-display: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', serif;
            --font-body: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --section-gap: 90px;
            --section-gap-md: 60px;
            --section-gap-sm: 40px;
        }

        /* ============ 基础 Reset 覆盖 ============ */
        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            -webkit-tap-highlight-color: transparent;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        /* ============ 容器 ============ */
        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 18px;
                padding-right: 18px;
            }
            :root {
                --section-gap: 50px;
                --section-gap-md: 38px;
                --section-gap-sm: 28px;
            }
        }

        /* ============ 导航栏 - 悬浮胶囊 ============ */
        .navbar-capsule-wrap {
            position: sticky;
            top: 16px;
            z-index: 1050;
            padding: 0 16px;
            pointer-events: none;
        }
        .navbar-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            padding: 10px 20px;
            max-width: 1200px;
            margin: 0 auto;
            box-shadow: var(--shadow-md);
            pointer-events: auto;
            transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }
        .navbar-capsule:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--border);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-brand:hover {
            color: var(--accent);
        }
        .nav-brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-body);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .nav-brand:hover .nav-brand-icon {
            background: var(--accent);
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-link-capsule {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }
        .nav-link-capsule:hover {
            background: var(--bg-warm);
            color: var(--primary);
        }
        .nav-link-capsule.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 3px 10px rgba(26, 26, 31, 0.25);
        }
        .nav-link-capsule.active:hover {
            background: var(--primary-soft);
            color: #fff;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            flex-shrink: 0;
            box-shadow: 0 3px 12px rgba(184, 148, 78, 0.3);
        }
        .nav-cta-btn:hover {
            background: #a07d3a;
            color: #fff;
            box-shadow: 0 6px 20px rgba(184, 148, 78, 0.4);
            transform: translateY(-1px);
        }
        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(184, 148, 78, 0.35);
        }
        .navbar-toggler-custom {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.15rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            border: none;
        }
        .navbar-toggler-custom:hover {
            background: var(--accent);
            color: #fff;
        }
        .navbar-toggler-custom:active {
            transform: scale(0.95);
        }

        /* 移动端菜单面板 */
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 26, 31, 0.6);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            z-index: 1049;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu-panel.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu-inner {
            position: absolute;
            top: 80px;
            left: 16px;
            right: 16px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px 16px;
            box-shadow: var(--shadow-xl);
            display: flex;
            flex-direction: column;
            gap: 6px;
            transform: translateY(-10px);
            transition: transform var(--transition-smooth);
        }
        .mobile-menu-panel.open .mobile-menu-inner {
            transform: translateY(0);
        }
        .mobile-menu-inner .nav-link-capsule {
            display: block;
            text-align: center;
            padding: 13px 18px;
            font-size: 1rem;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-warm);
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .mobile-menu-close:hover {
            background: var(--primary);
            color: #fff;
        }

        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 2px;
            }
            .nav-link-capsule {
                padding: 8px 11px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 8px 15px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .nav-brand {
                font-size: 1.15rem;
                gap: 6px;
            }
            .nav-brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-capsule-wrap {
                top: 8px;
                padding: 0 8px;
            }
            .navbar-capsule {
                padding: 8px 14px;
                border-radius: var(--radius-xl);
            }
            .nav-links-desktop {
                display: none;
            }
            .nav-cta-btn {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .mobile-menu-panel {
                display: block;
            }
        }

        /* ============ Banner ============ */
        .page-banner {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: 10px;
            background: var(--primary-soft);
            isolation: isolate;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 31, 0.78) 0%, rgba(26, 26, 31, 0.5) 45%, rgba(26, 26, 31, 0.35) 100%);
            z-index: 2;
        }
        .page-banner-bg {
            position: absolute;
            inset: 0;
            z-index: 1;
            object-fit: cover;
            width: 100%;
            height: 100%;
        }
        .page-banner-content {
            position: relative;
            z-index: 3;
            padding: 60px 40px;
            max-width: 700px;
        }
        .page-banner .banner-label {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
        }
        .page-banner h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.6;
            max-width: 520px;
            letter-spacing: 0.02em;
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 340px;
                border-radius: var(--radius-md);
                margin-top: 6px;
            }
            .page-banner-content {
                padding: 36px 22px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ============ 板块通用 ============ */
        .section-block {
            padding-top: var(--section-gap);
        }
        @media (max-width: 768px) {
            .section-block {
                padding-top: var(--section-gap-sm);
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-header h2 {
            font-family: var(--font-display);
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .section-header .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-header {
                margin-bottom: 30px;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header .section-desc {
                font-size: 0.9rem;
            }
        }

        /* ============ 卡片组件 ============ */
        .card-creative {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-creative:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border);
        }
        .card-creative-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--bg-warm);
        }
        .card-creative-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .card-creative:hover .card-creative-img-wrap img {
            transform: scale(1.04);
        }
        .card-creative-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .card-creative .card-tag {
            display: inline-block;
            font-size: 0.73rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--accent);
            text-transform: uppercase;
            background: var(--accent-pale);
            padding: 4px 10px;
            border-radius: var(--radius-xs);
            align-self: flex-start;
        }
        .card-creative h3 {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.35;
        }
        .card-creative p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0;
        }
        .card-creative .card-link {
            margin-top: auto;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast);
        }
        .card-creative .card-link:hover {
            gap: 9px;
            color: #8b6b2e;
        }

        /* ============ 图文区块 ============ */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }
        .media-block-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 5 / 4;
            background: var(--bg-warm);
        }
        .media-block-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .media-block:hover .media-block-image img {
            transform: scale(1.03);
        }
        .media-block-text .media-eyebrow {
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .media-block-text h3 {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .media-block-text p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .media-block-text .highlight-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 6px;
        }
        .media-block-text .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .media-block-text .highlight-list li i {
            color: var(--accent);
            margin-top: 3px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .media-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .media-block.reverse {
                direction: ltr;
            }
            .media-block-text h3 {
                font-size: 1.4rem;
            }
        }

        /* ============ 数据看板 ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-card .stat-number {
            font-family: var(--font-display);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .stat-card .stat-sub {
            font-size: 0.75rem;
            color: var(--text-light);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .stat-card .stat-label {
                font-size: 0.8rem;
            }
        }

        /* ============ FAQ Accordion ============ */
        .faq-accordion-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: color var(--transition-fast);
            background: none;
            border: none;
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question i {
            flex-shrink: 0;
            color: var(--accent);
            font-size: 0.85rem;
            transition: transform var(--transition-smooth);
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        .faq-answer.collapse:not(.show) {
            display: none;
        }

        /* ============ CTA 区域 ============ */
        .cta-section-custom {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-section-custom::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(184, 148, 78, 0.2) 0%, transparent 60%);
            z-index: -1;
        }
        .cta-section-custom h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }
        .cta-section-custom p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }
        .cta-btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(184, 148, 78, 0.35);
            border: none;
        }
        .btn-cta-primary:hover {
            background: #d4b978;
            color: #fff;
            box-shadow: 0 8px 24px rgba(184, 148, 78, 0.45);
            transform: translateY(-2px);
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
        }
        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section-custom {
                padding: 34px 20px;
                border-radius: var(--radius-md);
            }
            .cta-section-custom h2 {
                font-size: 1.5rem;
            }
            .cta-section-custom p {
                font-size: 0.9rem;
            }
            .btn-cta-primary,
            .btn-cta-outline {
                padding: 11px 20px;
                font-size: 0.85rem;
            }
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--primary);
            color: #c5c5cc;
            padding: 50px 0 24px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: #a0a0aa;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col-title {
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: #a0a0aa;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-light);
        }
        .footer-disclaimer {
            font-size: 0.8rem;
            color: #7a7a85;
            line-height: 1.55;
            margin: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.8rem;
            color: #6a6a72;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 34px 0 20px;
                margin-top: var(--section-gap-sm);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ============ 通用按钮 ============ */
        .btn-outline-accent {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 22px;
            border: 2px solid var(--accent);
            color: var(--accent);
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            background: transparent;
        }
        .btn-outline-accent:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(184, 148, 78, 0.3);
            transform: translateY(-1px);
        }

        /* ============ 服务亮点列表 ============ */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 22px 18px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-xs);
        }
        .highlight-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .highlight-item .highlight-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-pale);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent);
            font-size: 1.15rem;
        }
        .highlight-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }
        .highlight-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .highlight-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ============ 滚动动画微调 ============ */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* ============ Bootstrap 覆盖 ============ */
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border);
        }
        .accordion-button:not(.collapsed) {
            background-color: transparent;
            color: var(--accent);
        }
        .accordion-button::after {
            display: none;
        }
        .collapse {
            transition: height var(--transition-smooth);
        }

/* roulang page: category4 */
:root {
            --primary: #1a1a2e;
            --primary-light: #2a2a42;
            --accent: #b8956a;
            --accent-light: #d4b88c;
            --accent-subtle: #f5efe4;
            --surface: #ffffff;
            --bg: #faf9f6;
            --bg-warm: #f5f2ec;
            --text: #1f1f26;
            --text-secondary: #4a4a55;
            --text-muted: #7a7a84;
            --text-light: #9a9aa3;
            --border: #e8e6e0;
            --border-light: #f0eeea;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.10), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, 'Segoe UI', serif;
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-ease: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::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(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }
        input,
        textarea {
            font-family: inherit;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 18px;
            }
        }

        /* ========== 导航栏 ========== */
        .navbar-capsule {
            position: fixed;
            top: 18px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            display: flex;
            align-items: center;
            gap: 28px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-full);
            padding: 10px 22px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            max-width: 95vw;
            transition: all var(--transition-smooth);
        }
        .navbar-capsule.scrolled {
            top: 6px;
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.03em;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .nav-brand:hover {
            color: var(--accent);
        }
        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .nav-brand:hover .nav-brand-icon {
            background: var(--accent);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-link-capsule {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.89rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }
        .nav-link-capsule:hover {
            color: var(--primary);
            background: rgba(0, 0, 0, 0.04);
        }
        .nav-link-capsule.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-link-capsule.active:hover {
            background: var(--primary-light);
            color: #fff;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(184, 149, 106, 0.3);
        }
        .nav-cta-btn:hover {
            background: #a07d4e;
            color: #fff;
            box-shadow: 0 6px 20px rgba(184, 149, 106, 0.4);
            transform: translateY(-1px);
        }
        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(184, 149, 106, 0.25);
        }

        .navbar-toggler-custom {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: transparent;
            font-size: 1.25rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: all var(--transition-fast);
            border: 1px solid var(--border);
        }
        .navbar-toggler-custom:hover {
            background: rgba(0, 0, 0, 0.04);
            border-color: var(--accent);
            color: var(--accent);
        }

        @media (max-width: 1100px) {
            .nav-links-desktop {
                gap: 2px;
            }
            .nav-link-capsule {
                padding: 7px 11px;
                font-size: 0.8rem;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .navbar-capsule {
                gap: 14px;
                padding: 8px 14px;
            }
            .nav-brand {
                font-size: 1rem;
            }
            .nav-brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 860px) {
            .nav-links-desktop {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-radius: var(--radius-md);
                padding: 14px 8px;
                gap: 2px;
                box-shadow: var(--shadow-xl);
                border: 1px solid var(--border-light);
                z-index: 1060;
            }
            .nav-links-desktop.show-mobile {
                display: flex;
            }
            .nav-link-capsule {
                width: 100%;
                text-align: center;
                padding: 11px 16px;
                border-radius: var(--radius-sm);
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .nav-cta-btn {
                margin-left: auto;
                padding: 7px 13px;
                font-size: 0.78rem;
            }
            .navbar-capsule {
                gap: 10px;
                padding: 8px 12px;
                border-radius: var(--radius-lg);
                top: 8px;
            }
        }
        @media (max-width: 480px) {
            .nav-cta-btn {
                padding: 6px 10px;
                font-size: 0.72rem;
                gap: 3px;
            }
            .navbar-capsule {
                gap: 6px;
                padding: 6px 10px;
                top: 5px;
                border-radius: var(--radius-md);
            }
            .nav-brand {
                font-size: 0.9rem;
                gap: 5px;
            }
            .nav-brand-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
        }

        /* ========== 页面Banner ========== */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
            margin-top: 0;
            padding-top: 100px;
            padding-bottom: 60px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 15, 25, 0.72) 0%, rgba(15, 15, 25, 0.55) 60%, rgba(15, 15, 25, 0.78) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            padding: 0 24px;
        }
        .page-banner-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.13);
            color: #e0d5c5;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            margin-bottom: 18px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .page-banner-title {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .page-banner-subtitle {
            font-size: 1.1rem;
            color: #c8c0b4;
            font-weight: 400;
            letter-spacing: 0.03em;
            line-height: 1.7;
            max-width: 560px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 320px;
                padding-top: 90px;
                padding-bottom: 40px;
                background-attachment: scroll;
            }
            .page-banner-title {
                font-size: 2rem;
            }
            .page-banner-subtitle {
                font-size: 0.95rem;
            }
            .page-banner-tag {
                font-size: 0.75rem;
                padding: 5px 14px;
            }
        }
        @media (max-width: 480px) {
            .page-banner {
                min-height: 260px;
                padding-top: 80px;
                padding-bottom: 30px;
            }
            .page-banner-title {
                font-size: 1.5rem;
            }
            .page-banner-subtitle {
                font-size: 0.85rem;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 620px;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: var(--section-gap-sm) 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== 卡片组件 ========== */
        .card-creative {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-creative:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border);
        }
        .card-creative-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0ede8;
        }
        .card-creative-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        .card-creative:hover .card-creative-img-wrap img {
            transform: scale(1.06);
        }
        .card-creative-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-creative-tag {
            display: inline-block;
            font-size: 0.76rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }
        .card-creative-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }
        .card-creative-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
        }
        .card-creative-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--primary);
            margin-top: 14px;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .card-creative-link:hover {
            color: var(--accent);
            gap: 8px;
        }
        .card-creative-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .card-creative-link:hover i {
            transform: translateX(3px);
        }

        /* ========== 图文区块 ========== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }
        .media-block-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
            background: #f0ede8;
        }
        .media-block-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .media-block-img:hover img {
            transform: scale(1.04);
        }
        .media-block-content .section-label {
            margin-bottom: 8px;
        }
        .media-block-content .section-title {
            font-size: 1.7rem;
            margin-bottom: 16px;
        }
        .media-block-content p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
            font-size: 0.98rem;
        }
        @media (max-width: 768px) {
            .media-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .media-block.reverse {
                direction: ltr;
            }
            .media-block-content .section-title {
                font-size: 1.4rem;
            }
            .media-block-img {
                aspect-ratio: 16 / 10;
            }
        }

        /* ========== 统计数字块 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--accent-light);
        }
        .stat-number {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .stat-card {
                padding: 24px 14px;
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ========== 内容列表 ========== */
        .content-list-block {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .content-list-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 22px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: default;
        }
        .content-list-item:last-child {
            border-bottom: none;
        }
        .content-list-item:hover {
            background: var(--bg-warm);
        }
        .content-list-num {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--accent-subtle);
            color: var(--accent);
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .content-list-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
            letter-spacing: 0.02em;
        }
        .content-list-info p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        .content-list-arrow {
            margin-left: auto;
            flex-shrink: 0;
            color: var(--text-light);
            font-size: 0.8rem;
            align-self: center;
            transition: all var(--transition-fast);
        }
        .content-list-item:hover .content-list-arrow {
            color: var(--accent);
            transform: translateX(4px);
        }
        @media (max-width: 480px) {
            .content-list-item {
                padding: 16px 14px;
                gap: 12px;
            }
            .content-list-num {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            .content-list-info h4 {
                font-size: 0.95rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border-light);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }
        .faq-item:hover .faq-question {
            color: var(--accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: all var(--transition-smooth);
        }
        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.75;
            padding-right: 50px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 10px;
            padding-bottom: 4px;
        }
        @media (max-width: 480px) {
            .faq-question {
                font-size: 0.93rem;
            }
            .faq-answer {
                font-size: 0.85rem;
                padding-right: 20px;
            }
            .faq-icon {
                width: 26px;
                height: 26px;
                font-size: 0.65rem;
            }
        }

        /* ========== CTA区块 ========== */
        .cta-section-alt {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 52px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-section-alt::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-section-alt .cta-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section-alt .cta-desc {
            font-size: 1rem;
            color: #b8b8c0;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }
        .btn-cta-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 14px rgba(184, 149, 106, 0.35);
        }
        .btn-cta-accent:hover {
            background: #c9a87a;
            color: #fff;
            box-shadow: 0 8px 24px rgba(184, 149, 106, 0.5);
            transform: translateY(-2px);
        }
        .btn-cta-accent:active {
            transform: translateY(0);
        }
        @media (max-width: 480px) {
            .cta-section-alt {
                padding: 36px 20px;
                border-radius: var(--radius-md);
            }
            .cta-section-alt .cta-title {
                font-size: 1.4rem;
            }
            .cta-section-alt .cta-desc {
                font-size: 0.88rem;
            }
            .btn-cta-accent {
                padding: 11px 22px;
                font-size: 0.85rem;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #1a1a25;
            color: #c5c5cc;
            padding: 52px 0 28px;
            margin-top: 60px;
            letter-spacing: 0.02em;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: #9a9aa0;
            line-height: 1.7;
            margin: 0;
        }
        .footer-col-title {
            font-size: 0.82rem;
            font-weight: 700;
            color: #e0e0e5;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 0.89rem;
            color: #a8a8b0;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .footer-links a:hover {
            color: var(--accent-light);
        }
        .footer-disclaimer {
            font-size: 0.8rem;
            color: #7a7a82;
            line-height: 1.6;
            margin: 0;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            color: #6a6a72;
            gap: 10px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer {
                padding: 36px 0 20px;
                margin-top: 40px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== 辅助工具类 ========== */
        .text-accent {
            color: var(--accent);
        }
        .bg-warm {
            background: var(--bg-warm);
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .divider-line {
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 12px 0 20px;
        }
        .divider-line.centered {
            margin: 12px auto 20px;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
            .section-block-sm {
                padding: 28px 0;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #C8A96E;
            --primary-dark: #A68A4F;
            --primary-light: #E8D9B8;
            --accent: #2D6A4F;
            --accent-light: #3D8A65;
            --accent-pale: #E8F5EE;
            --bg: #FAF8F5;
            --bg-warm: #F5F0E8;
            --white: #FFFFFF;
            --text: #1C1C1E;
            --text-secondary: #4A4A52;
            --text-muted: #6A6A72;
            --text-light: #8E8E96;
            --border: #E8E4DF;
            --border-light: #F0EDE8;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --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, 0.09);
            --shadow-lg: 0 14px 44px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.15);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', serif;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --navbar-height: 68px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

        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(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            color: var(--text);
            line-height: 1.3;
        }

        /* ========== NAVBAR CAPSULE ========== */
        .navbar-capsule {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            display: flex;
            align-items: center;
            gap: 20px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border);
            border-radius: var(--radius-full);
            padding: 8px 10px 8px 22px;
            box-shadow: var(--shadow-md);
            max-width: 95vw;
            transition: all var(--transition);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
            letter-spacing: 0.04em;
            text-decoration: none;
        }
        .nav-brand:hover {
            color: var(--primary-dark);
        }
        .nav-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 1rem;
            font-weight: 700;
            font-family: var(--font-heading);
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-link-capsule {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            text-decoration: none;
        }
        .nav-link-capsule:hover {
            background: var(--bg-warm);
            color: var(--text);
        }
        .nav-link-capsule.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(200, 169, 110, 0.35);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            text-decoration: none;
        }
        .nav-cta-btn:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: 0 4px 16px rgba(45, 106, 79, 0.35);
            transform: translateY(-1px);
        }
        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--bg-warm);
            color: var(--primary-dark);
        }

        /* Mobile nav panel */
        .nav-mobile-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1060;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 16px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }
        .nav-mobile-panel.open {
            opacity: 1;
            pointer-events: auto;
        }
        .nav-mobile-panel .nav-link-capsule {
            font-size: 1.15rem;
            padding: 12px 28px;
        }
        .nav-mobile-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: transparent;
            border: none;
            font-size: 1.8rem;
            color: var(--text);
            padding: 8px 12px;
            border-radius: 50%;
        }

        /* ========== CONTAINER ========== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 767px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(160deg, #F5F0E8 0%, #E8F0E4 40%, #DCE8D8 100%);
            overflow: hidden;
            text-align: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 1;
        }
        .page-banner .banner-eyebrow {
            display: inline-block;
            background: var(--accent-pale);
            color: var(--accent);
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .page-banner .banner-sub {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 660px;
            margin: 0 auto;
            line-height: 1.8;
        }
        @media (max-width: 767px) {
            .page-banner {
                padding: 120px 0 56px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-sub {
                font-size: 1rem;
                padding: 0 8px;
            }
        }

        /* ========== SECTION ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }
        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0ede6;
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-custom:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-custom .card-body-custom {
            padding: 20px 22px 24px;
        }
        .card-custom .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            margin-bottom: 10px;
        }
        .tag-green {
            background: var(--accent-pale);
            color: var(--accent);
        }
        .tag-gold {
            background: #FDF6E8;
            color: var(--primary-dark);
        }
        .card-custom .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            font-family: var(--font-heading);
        }
        .card-custom .card-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .card-custom .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--accent);
            font-size: 0.9rem;
            margin-top: 12px;
            transition: gap var(--transition-fast);
        }
        .card-custom .card-link:hover {
            gap: 10px;
            color: var(--accent-light);
        }

        /* ========== STAT BLOCK ========== */
        .stat-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            font-family: var(--font-heading);
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        /* ========== INFO LIST ========== */
        .info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .info-list li:last-child {
            border-bottom: none;
        }
        .info-list .list-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent-pale);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            margin-top: 2px;
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border: none;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(168, 138, 79, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(45, 106, 79, 0.3);
            transform: translateY(-1px);
        }

        /* ========== ACCORDION / FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--white);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: var(--white);
            padding: 18px 22px;
            border-radius: var(--radius) !important;
            box-shadow: none;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: #FAFDF9;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-light);
        }
        .faq-accordion .accordion-button::after {
            transition: transform var(--transition-fast);
        }
        .faq-accordion .accordion-body {
            padding: 4px 22px 20px;
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(150deg, #2D6A4F 0%, #234D3A 60%, #1A3628 100%);
            padding: 64px 0;
            text-align: center;
            border-radius: var(--radius-xl);
            margin: 0 16px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(200, 169, 110, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: #fff;
            color: var(--accent);
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            text-decoration: none;
        }
        .cta-section .btn-cta-white:hover {
            background: var(--primary-light);
            color: var(--text);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
            transform: translateY(-2px);
        }
        @media (max-width: 767px) {
            .cta-section {
                margin: 0 8px;
                padding: 48px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1C1C1E;
            color: #c4c4cc;
            padding: 56px 0 32px;
            margin-top: var(--section-gap);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .footer-desc {
            color: #a0a0a8;
            line-height: 1.8;
            font-size: 0.88rem;
        }
        .footer-col-title {
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: #a0a0a8;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-links a:hover {
            color: var(--primary-light);
        }
        .footer-disclaimer {
            color: #8a8a92;
            font-size: 0.82rem;
            line-height: 1.7;
        }
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.82rem;
            color: #777;
        }
        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 575px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 0;
            }
            .nav-link-capsule {
                padding: 7px 11px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .nav-brand {
                font-size: 1.05rem;
            }
        }
        @media (max-width: 860px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-cta-btn {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-capsule {
                padding: 8px 14px 8px 16px;
            }
            .nav-mobile-panel {
                display: flex;
            }
        }
        @media (max-width: 767px) {
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .card-custom .card-title {
                font-size: 1.05rem;
            }
        }
        @media (max-width: 520px) {
            .navbar-capsule {
                top: 8px;
                padding: 6px 10px 6px 14px;
                gap: 8px;
                border-radius: 40px;
            }
            .nav-brand {
                font-size: 0.95rem;
                gap: 5px;
            }
            .nav-brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .page-banner {
                padding: 108px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }
        .bg-warm {
            background: var(--bg-warm);
        }
        .bg-white {
            background: var(--white);
        }
        .mt-section {
            margin-top: var(--section-gap);
        }
        .highlight-box {
            background: var(--accent-pale);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 20px 24px;
            margin: 20px 0;
        }
        .highlight-box p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category6 */
/* ============ 设计变量体系 ============ */
        :root {
            --color-primary: #1c1c2e;
            --color-primary-light: #2a2a42;
            --color-accent: #c9a96e;
            --color-accent-light: #e0c78a;
            --color-accent-deep: #a8813f;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f1ec;
            --color-bg-dark: #1c1c2e;
            --color-surface: #ffffff;
            --color-text: #2c2c38;
            --color-text-weak: #6a6a72;
            --color-text-light: #9a9aa2;
            --color-border: #e8e6e0;
            --color-border-light: #f0efe9;
            --color-success: #5a9e6f;
            --color-warning: #d4a853;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(28, 28, 46, 0.06);
            --shadow-md: 0 4px 16px rgba(28, 28, 46, 0.08);
            --shadow-lg: 0 8px 32px rgba(28, 28, 46, 0.12);
            --shadow-xl: 0 16px 48px rgba(28, 28, 46, 0.16);
            --shadow-accent: 0 4px 20px rgba(201, 169, 110, 0.25);
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1.25rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 4.5rem;
            --spacing-3xl: 6rem;
            --font-heading: 'PingFang SC', 'Helvetica Neue', 'Noto Sans SC', -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Helvetica Neue', 'Noto Sans SC', -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        /* ============ 基础 Reset ============ */
        *,
        *::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-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            font-size: 1rem;
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ============ 容器 ============ */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-md);
            }
        }

        /* ============ 导航栏 - 悬浮胶囊 ============ */
        .navbar-capsule-wrap {
            position: fixed;
            top: 18px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            width: auto;
            max-width: calc(100% - 32px);
            transition: all var(--transition-smooth);
        }
        .navbar-capsule-wrap.scrolled {
            top: 8px;
        }
        .navbar-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 10px 18px 10px 22px;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .navbar-capsule:hover {
            box-shadow: var(--shadow-xl);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            flex-shrink: 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-brand:hover {
            color: var(--color-accent-deep);
        }
        .nav-brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-links-desktop::-webkit-scrollbar {
            display: none;
        }
        .nav-link-capsule {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }
        .nav-link-capsule:hover {
            color: var(--color-primary);
            background: rgba(28, 28, 46, 0.04);
        }
        .nav-link-capsule.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }
        .nav-link-capsule.active:hover {
            color: #fff;
            background: var(--color-primary-light);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            box-shadow: var(--shadow-accent);
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-deep);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 28px rgba(201, 169, 110, 0.35);
        }
        .navbar-toggler-custom {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.1rem;
            cursor: pointer;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            border: none;
        }
        .navbar-toggler-custom:hover {
            background: var(--color-primary-light);
            transform: scale(1.04);
        }

        /* 移动端 offcanvas */
        .offcanvas-mobile {
            background: var(--color-bg);
            border-left: 1px solid var(--color-border);
        }
        .offcanvas-mobile .offcanvas-header {
            border-bottom: 1px solid var(--color-border-light);
            padding: var(--spacing-md) var(--spacing-lg);
        }
        .offcanvas-mobile .offcanvas-title {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 1.1rem;
        }
        .offcanvas-mobile .offcanvas-body {
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .offcanvas-mobile .nav-link-mobile {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }
        .offcanvas-mobile .nav-link-mobile:hover {
            background: rgba(28, 28, 46, 0.04);
            color: var(--color-primary);
        }
        .offcanvas-mobile .nav-link-mobile.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-cta-btn {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .navbar-capsule {
                padding: 8px 14px 8px 18px;
                gap: var(--spacing-sm);
            }
        }
        @media (max-width: 520px) {
            .navbar-capsule-wrap {
                top: 10px;
                max-width: calc(100% - 16px);
            }
            .navbar-capsule {
                padding: 7px 10px 7px 14px;
                border-radius: var(--radius-xl);
            }
            .nav-brand {
                font-size: 1rem;
                gap: 6px;
            }
            .nav-brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
                border-radius: 7px;
            }
            .navbar-toggler-custom {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
        }

        /* ============ 页面Banner ============ */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--color-bg-dark);
            margin-bottom: var(--spacing-2xl);
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.45;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(28, 28, 46, 0.7) 0%, rgba(28, 28, 46, 0.85) 60%, rgba(28, 28, 46, 0.95) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-3xl) 0;
            color: #fff;
            text-align: center;
            width: 100%;
        }
        .page-banner-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            background: rgba(201, 169, 110, 0.25);
            color: var(--color-accent-light);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-md);
            border: 1px solid rgba(201, 169, 110, 0.3);
        }
        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
        }
        .page-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 320px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 1rem;
                padding: 0 var(--spacing-md);
            }
            .page-banner-content {
                padding: var(--spacing-2xl) 0;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
        }

        /* ============ 板块通用 ============ */
        .section-block {
            padding: var(--spacing-2xl) 0;
        }
        .section-block.alt-bg {
            background: var(--color-bg-alt);
        }
        .section-block.dark-bg {
            background: var(--color-bg-dark);
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-2xl);
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
        }
        .section-header .section-subtitle {
            color: var(--color-text-weak);
            font-size: 1.05rem;
            max-width: 540px;
            margin: 0 auto;
        }
        .dark-bg .section-header h2 {
            color: #fff;
        }
        .dark-bg .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin: var(--spacing-sm) auto var(--spacing-md);
        }

        /* ============ 功能特性卡片 ============ */
        .feature-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(201, 169, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent-deep);
            margin-bottom: var(--spacing-md);
            transition: all var(--transition-smooth);
        }
        .feature-card:hover .feature-icon {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.05);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
            letter-spacing: 0.02em;
        }
        .feature-card p {
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ 图文区块 ============ */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-2xl);
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }
        .media-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .media-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
            transition: transform var(--transition-smooth);
        }
        .media-image-wrap:hover img {
            transform: scale(1.03);
        }
        .media-image-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(28, 28, 46, 0.85);
            color: #fff;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            backdrop-filter: blur(8px);
            z-index: 2;
        }
        .media-text h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.02em;
        }
        .media-text p {
            color: var(--color-text-weak);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }
        .media-text .highlight-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
        }
        .highlight-list li i {
            color: var(--color-accent);
            margin-top: 4px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .media-block {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            .media-text h3 {
                font-size: 1.35rem;
            }
        }

        /* ============ 数据亮点卡片 ============ */
        .stat-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: var(--spacing-xs);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        /* ============ 按钮体系 ============ */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
            text-align: center;
            justify-content: center;
        }
        .btn-primary-custom {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-primary-custom:hover {
            background: var(--color-primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-accent-custom {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .btn-accent-custom:hover {
            background: var(--color-accent-deep);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 169, 110, 0.35);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-outline-custom:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg-custom {
            padding: 14px 34px;
            font-size: 1.05rem;
        }

        /* ============ FAQ 折叠 ============ */
        .faq-accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            background: var(--color-surface);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-accordion-item:hover {
            border-color: var(--color-border);
        }
        .faq-accordion-btn {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            background: transparent;
            border: none;
            letter-spacing: 0.02em;
        }
        .faq-accordion-btn:hover {
            color: var(--color-accent-deep);
            background: rgba(201, 169, 110, 0.04);
        }
        .faq-accordion-btn i {
            transition: transform var(--transition-smooth);
            color: var(--color-accent);
            font-size: 0.85rem;
        }
        .faq-accordion-btn[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-accordion-body {
            padding: 0 20px 16px;
            color: var(--color-text-weak);
            line-height: 1.8;
            font-size: 0.93rem;
        }

        /* ============ CTA 区域 ============ */
        .cta-section {
            background: var(--color-bg-dark);
            color: #fff;
            text-align: center;
            padding: var(--spacing-3xl) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.03em;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            max-width: 550px;
            margin: 0 auto var(--spacing-xl);
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand-name {
            font-weight: 700;
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            line-height: 1.7;
        }
        .footer-col-title {
            font-weight: 650;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .footer-disclaimer {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            line-height: 1.6;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ============ 标签/徽章 ============ */
        .tag-capsule {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(201, 169, 110, 0.1);
            color: var(--color-accent-deep);
            white-space: nowrap;
        }
        .tag-capsule.dark {
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.9);
        }

        /* ============ 图片卡片 ============ */
        .img-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .img-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .img-card-thumb {
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .img-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .img-card:hover .img-card-thumb img {
            transform: scale(1.05);
        }
        .img-card-body {
            padding: var(--spacing-md);
        }
        .img-card-body h4 {
            font-weight: 650;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }
        .img-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ 动画辅助 ============ */
        .fade-in-up {
            animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
            opacity: 0;
            transform: translateY(20px);
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ============ Bootstrap 覆盖 ============ */
        .accordion-button:not(.collapsed) {
            background-color: transparent;
            box-shadow: none;
            color: var(--color-primary);
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--color-border);
        }
        .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 8px;
            overflow: hidden;
        }
        .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-primary);
            padding: 15px 18px;
            background: var(--color-surface);
            letter-spacing: 0.02em;
        }
        .accordion-button:hover {
            color: var(--color-accent-deep);
            background: rgba(201, 169, 110, 0.03);
        }
        .accordion-body {
            color: var(--color-text-weak);
            line-height: 1.8;
            font-size: 0.93rem;
            padding: 0 18px 14px;
        }