/* roulang page: index */
:root {
            --primary: #1a1f3a;
            --primary-light: #252b4d;
            --primary-dark: #11152b;
            --accent: #c8a45c;
            --accent-light: #d9bc7a;
            --accent-dark: #b08a3e;
            --surface: #ffffff;
            --surface-alt: #f7f8fa;
            --surface-dark: #1e2340;
            --text: #1a1a1a;
            --text-inverse: #ffffff;
            --muted: #6b7280;
            --muted-light: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f3f4f6;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --shadow-soft: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.14);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.06);
            --shadow-btn: 0 4px 14px rgba(200, 164, 92, 0.30);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background-color: var(--surface);
            color: var(--text);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

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

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

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

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
            transition: all var(--transition-smooth);
            height: 68px;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.10);
            border-bottom-color: var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (min-width: 1280px) {
            .header-inner {
                padding: 0 40px;
            }
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            z-index: 1001;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(26, 31, 58, 0.25);
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

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

        .nav-links {
            display: none;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
                gap: 4px;
            }
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }

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

        .nav-links li a.active {
            color: var(--accent-dark);
            background: rgba(200, 164, 92, 0.10);
            font-weight: 600;
        }

        .nav-links li a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .header-cta {
            display: none;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        @media (min-width: 1024px) {
            .header-cta {
                display: flex;
            }
        }

        .btn-nav-cta {
            padding: 10px 22px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 8px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(200, 164, 92, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--accent-dark);
            box-shadow: var(--shadow-btn);
            transform: translateY(-1px);
        }

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

        /* Mobile Menu */
        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            z-index: 1001;
            background: transparent;
            border: 1.5px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: var(--surface-alt);
            border-color: var(--accent);
        }

        .mobile-menu-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .mobile-menu-toggle .bar {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .mobile-menu-toggle .bar::before,
        .mobile-menu-toggle .bar::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            position: absolute;
            left: 0;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle .bar::before {
            top: -7px;
        }
        .mobile-menu-toggle .bar::after {
            top: 7px;
        }

        .mobile-menu-toggle.open .bar {
            background: transparent;
        }
        .mobile-menu-toggle.open .bar::before {
            top: 0;
            transform: rotate(45deg);
            background: var(--accent-dark);
        }
        .mobile-menu-toggle.open .bar::after {
            top: 0;
            transform: rotate(-45deg);
            background: var(--accent-dark);
        }

        .mobile-nav-panel {
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px 20px 40px;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-panel.open {
            transform: translateX(0);
        }

        .mobile-nav-panel a {
            display: block;
            padding: 14px 18px;
            font-size: 1.05rem;
            font-weight: 500;
            border-radius: 10px;
            color: var(--text);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .mobile-nav-panel a:hover {
            background: var(--surface-alt);
            color: var(--accent-dark);
        }
        .mobile-nav-panel a.active {
            background: rgba(200, 164, 92, 0.10);
            color: var(--accent-dark);
            font-weight: 600;
        }
        .mobile-nav-panel a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .mobile-nav-panel .mobile-cta {
            margin-top: 12px;
            padding: 14px 18px;
            background: var(--accent);
            color: #fff;
            text-align: center;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
        }

        /* Hero Section - Split Screen */
        .hero-section {
            padding-top: 68px;
            min-height: 100vh;
            display: flex;
            align-items: stretch;
            background: var(--surface);
        }

        @media (max-width: 1023px) {
            .hero-section {
                flex-direction: column;
                min-height: auto;
            }
        }

        .hero-content-side {
            flex: 1 1 52%;
            display: flex;
            align-items: center;
            padding: 60px 20px;
            background: linear-gradient(180deg, #fafbfd 0%, #ffffff 100%);
        }

        @media (min-width: 1280px) {
            .hero-content-side {
                padding: 80px 60px 80px 40px;
            }
        }

        @media (max-width: 1023px) {
            .hero-content-side {
                flex: none;
                padding: 48px 20px;
                order: 1;
            }
        }

        .hero-content-inner {
            max-width: 620px;
            margin-left: auto;
            margin-right: 0;
        }

        @media (min-width: 1280px) {
            .hero-content-inner {
                margin-right: 20px;
            }
        }

        @media (max-width: 1023px) {
            .hero-content-inner {
                max-width: 100%;
                margin: 0 auto;
                text-align: center;
            }
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(200, 164, 92, 0.10);
            color: var(--accent-dark);
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.18;
            color: var(--primary);
            letter-spacing: 0.02em;
            margin-bottom: 18px;
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 3.2rem;
            }
        }
        @media (min-width: 1280px) {
            .hero-title {
                font-size: 3.6rem;
            }
        }

        .hero-title .highlight {
            color: var(--accent);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 12px;
            font-weight: 400;
            max-width: 520px;
        }

        @media (max-width: 1023px) {
            .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
        }

        .hero-desc {
            font-size: 0.95rem;
            color: var(--muted-light);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 500px;
        }

        @media (max-width: 1023px) {
            .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        @media (max-width: 1023px) {
            .hero-buttons {
                justify-content: center;
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 10px;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(200, 164, 92, 0.28);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 8px 24px rgba(200, 164, 92, 0.38);
            transform: translateY(-2px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-dark);
            outline-offset: 3px;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(200, 164, 92, 0.30);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 10px;
            border: 2px solid var(--border);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: rgba(200, 164, 92, 0.04);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .hero-visual-side {
            flex: 1 1 48%;
            position: relative;
            overflow: hidden;
            min-height: 500px;
            background: var(--primary-dark);
        }

        @media (max-width: 1023px) {
            .hero-visual-side {
                flex: none;
                min-height: 350px;
                max-height: 450px;
                order: 0;
            }
        }

        .hero-visual-side img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .hero-visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 31, 58, 0.45) 0%, rgba(26, 31, 58, 0.15) 60%, rgba(26, 31, 58, 0.05) 100%);
            z-index: 2;
            pointer-events: none;
        }

        .hero-visual-side .hero-stats-float {
            position: absolute;
            bottom: 36px;
            left: 36px;
            z-index: 3;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 1023px) {
            .hero-visual-side .hero-stats-float {
                bottom: 20px;
                left: 20px;
                gap: 10px;
            }
        }

        .hero-stat-pill {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            padding: 10px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
            white-space: nowrap;
        }

        .hero-stat-pill .num {
            color: var(--accent-dark);
            font-weight: 700;
            font-size: 1.05rem;
        }

        /* Section Common */
        .section-block {
            padding: 80px 0;
        }

        @media (max-width: 767px) {
            .section-block {
                padding: 50px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.2rem;
            }
        }
        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.5rem;
            }
        }

        .section-desc {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.7;
            max-width: 640px;
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        @media (min-width: 640px) {
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }
        @media (min-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(5, 1fr);
                gap: 20px;
            }
        }

        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 18px;
            text-align: center;
            box-shadow: var(--shadow-soft);
            transition: all var(--transition-fast);
        }

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

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-dark);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 2.4rem;
            }
        }

        .stat-label {
            font-size: 0.875rem;
            color: var(--muted);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* Advantage Cards */
        .adv-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .adv-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (min-width: 1024px) {
            .adv-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 24px;
            }
        }

        .adv-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            box-shadow: var(--shadow-soft);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .adv-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .adv-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .adv-card:hover::before {
            opacity: 1;
        }

        .adv-icon {
            width: 50px;
            height: 50px;
            background: rgba(200, 164, 92, 0.10);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-dark);
            margin-bottom: 16px;
            transition: all var(--transition-fast);
        }

        .adv-card:hover .adv-icon {
            background: var(--accent);
            color: #fff;
        }

        .adv-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .adv-card p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.65;
        }

        /* Brand Story */
        .story-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .story-block {
                grid-template-columns: 1fr 1fr;
                gap: 56px;
            }
        }

        .story-image-wrap {
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
            position: relative;
        }

        .story-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .story-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .story-content h3 {
                font-size: 1.9rem;
            }
        }

        .story-content p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        /* Service / Category Cards */
        .service-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (min-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 24px;
            }
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-5px);
            border-color: transparent;
        }

        .service-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }

        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .service-card-body {
            padding: 20px 18px;
        }

        .service-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .service-card-body p {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.55;
        }

        .service-card-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(200, 164, 92, 0.10);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 14px;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 24px 36px;
        }

        .partner-item {
            padding: 16px 24px;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--muted);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .partner-item:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            box-shadow: var(--shadow-soft);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (min-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }

        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 28px 22px;
            box-shadow: var(--shadow-soft);
            transition: all var(--transition-fast);
        }

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

        .testimonial-stars {
            color: #f0b90b;
            font-size: 0.9rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }

        .testimonial-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .testimonial-role {
            font-size: 0.78rem;
            color: var(--muted-light);
            margin-top: 2px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-soft);
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: left;
            background: transparent;
            border: none;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--accent-dark);
            background: rgba(200, 164, 92, 0.03);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: var(--radius-lg);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--accent-dark);
            transition: all var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.75;
        }

        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (min-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }

        .news-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            transition: all var(--transition-fast);
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .news-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .news-card-body {
            padding: 18px 16px;
        }

        .news-date {
            font-size: 0.78rem;
            color: var(--muted-light);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .news-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }

        .news-card-body p {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.55;
            margin-bottom: 12px;
        }

        .news-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-read-more:hover {
            color: var(--accent);
            gap: 8px;
        }
        .news-read-more:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: rgba(200, 164, 92, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(200, 164, 92, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 768px) {
            .cta-section h2 {
                font-size: 2.4rem;
            }
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 36px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 12px;
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 20px rgba(200, 164, 92, 0.35);
            position: relative;
            z-index: 1;
        }

        .btn-cta-large:hover {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }
        .btn-cta-large:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 4px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 36px;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 40px;
            }
        }

        .footer-brand .logo-text-footer {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.65;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-col ul li a:focus-visible {
            outline: 1px solid var(--accent-light);
            outline-offset: 3px;
            border-radius: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.03em;
        }

        /* Responsive utilities */
        @media (max-width: 1023px) {
            .hide-mobile {
                display: none !important;
            }
        }
        @media (min-width: 1024px) {
            .show-mobile-only {
                display: none !important;
            }
        }

        /* Focus visible global */
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* Smooth section entrance */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            animation: fadeInUp 0.7s ease forwards;
        }

/* roulang page: category3 */
:root {
            --color-brand: #e1421c;
            --color-brand-hover: #bb3118;
            --color-brand-light: #fef3ee;
            --color-accent: #eab308;
            --color-dark: #1a1a2e;
            --color-text: #1f1f2e;
            --color-text-soft: #6b6b7b;
            --color-text-muted: #9494a5;
            --color-bg: #fafafb;
            --color-white: #ffffff;
            --color-border: #e8e8ed;
            --color-border-light: #f2f2f5;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.13);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-display: "Noto Serif SC", "STSong", serif;
        }

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

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

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

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-base);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            gap: 1.5rem;
        }

        .logo-text {
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--color-brand);
            background: var(--color-brand-light);
        }

        .nav-links li a.active {
            color: var(--color-brand);
            font-weight: 600;
            background: var(--color-brand-light);
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: var(--color-brand);
            border-radius: 2px;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1.1rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(225, 66, 28, 0.22);
        }

        .nav-cta-btn:hover {
            background: var(--color-brand-hover);
            box-shadow: 0 4px 14px rgba(225, 66, 28, 0.35);
            transform: translateY(-1px);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 0.4rem;
            cursor: pointer;
            z-index: 110;
            background: transparent;
            border: none;
        }

        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2.2px;
            background: var(--color-dark);
            border-radius: 2px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 移动端导航 */
        @media (max-width: 1024px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 80px 1.5rem 2rem;
                box-shadow: -4px 0 30px rgba(0, 0, 0, 0.12);
                transition: right var(--transition-base);
                z-index: 105;
                overflow-y: auto;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                width: 100%;
                padding: 0.7rem 0.8rem;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav-links li a.active::after {
                display: none;
            }
            .nav-links li a.active {
                border-left: 3px solid var(--color-brand);
            }
            .nav-cta-btn {
                font-size: 0.82rem;
                padding: 0.45rem 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 52px;
                gap: 0.8rem;
            }
            .logo-text {
                font-size: 1.2rem;
            }
            .nav-cta-btn {
                font-size: 0.78rem;
                padding: 0.4rem 0.75rem;
            }
            .nav-links {
                width: 260px;
                padding: 70px 1.2rem 1.5rem;
            }
        }

        /* 移动端遮罩 */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 100;
            transition: opacity var(--transition-base);
        }
        .nav-overlay.show {
            display: block;
        }

        /* 页面 Banner */
        .page-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(26, 26, 46, 0.55) 60%, rgba(26, 26, 46, 0.35) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 3rem 0;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 260px;
            }
            .page-banner .banner-content {
                padding: 2rem 0;
            }
        }

        /* 板块间距 */
        .section-gap {
            padding: 4rem 0;
        }
        @media (max-width: 768px) {
            .section-gap {
                padding: 2.5rem 0;
            }
        }
        @media (max-width: 520px) {
            .section-gap {
                padding: 2rem 0;
            }
        }

        /* 标题样式 */
        .section-title {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-dark);
            letter-spacing: 0.02em;
            margin-bottom: 0.6rem;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-soft);
            max-width: 620px;
            margin: 0 auto 2.5rem;
            line-height: 1.65;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.92rem;
                margin-bottom: 1.8rem;
            }
        }

        /* 卡片 */
        .card-artist {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border-light);
        }
        .card-artist:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card-artist .card-img-wrap {
            position: relative;
            aspect-ratio: 3/4;
            overflow: hidden;
            background: #f5f5f8;
        }
        .card-artist .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-artist:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-artist .card-tag {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--color-brand);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.65rem;
            border-radius: 20px;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .card-artist .card-body {
            padding: 1.1rem 1rem 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-artist .card-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-dark);
            margin-bottom: 0.25rem;
        }
        .card-artist .card-role {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin-bottom: 0.6rem;
        }
        .card-artist .card-stats {
            display: flex;
            gap: 0.8rem;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: auto;
            padding-top: 0.6rem;
            border-top: 1px solid var(--color-border-light);
        }

        /* 服务卡片 */
        .service-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.8rem 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-align: center;
            height: 100%;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .service-card .svc-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-lg);
            background: var(--color-brand-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--color-brand);
        }
        .service-card h3 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-dark);
            margin-bottom: 0.5rem;
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* 数据卡片 */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem 1.2rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-number {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-brand);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            margin-top: 0.3rem;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.4rem 1.5rem;
            margin-bottom: 0.75rem;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #e0e0e8;
        }
        .faq-item .faq-question {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-brand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-brand);
            transition: transform var(--transition-fast);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-brand);
            color: #fff;
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding-top var(--transition-fast);
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 0.8rem;
        }

        /* CTA 区块 */
        .cta-section {
            background: linear-gradient(135deg, var(--color-dark) 0%, #252540 100%);
            border-radius: var(--radius-2xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(241, 90, 43, 0.18);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(234, 179, 8, 0.12);
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 550px;
            margin: 0 auto 1.6rem;
            position: relative;
            z-index: 1;
            line-height: 1.65;
        }
        .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.8rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-brand);
            border-radius: 50px;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 16px rgba(241, 90, 43, 0.35);
        }
        .cta-btn-lg:hover {
            background: #f15a2b;
            box-shadow: 0 6px 22px rgba(241, 90, 43, 0.5);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 2.2rem 1.5rem;
                border-radius: var(--radius-xl);
            }
            .cta-section h2 {
                font-size: 1.35rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .cta-btn-lg {
                font-size: 0.9rem;
                padding: 0.65rem 1.5rem;
            }
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-dark);
            color: #d0d0d8;
            padding: 3.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer .logo-text-footer {
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.7rem;
        }
        .site-footer .footer-brand p {
            font-size: 0.88rem;
            color: #b0b0bc;
            line-height: 1.65;
        }
        .site-footer .footer-col h4 {
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .site-footer .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }
        .site-footer .footer-col ul li a {
            font-size: 0.88rem;
            color: #b0b0bc;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.82rem;
            color: #9090a0;
        }
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .site-footer {
                padding: 2.5rem 0 1.2rem;
            }
        }

        /* 通用标签 */
        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            font-size: 0.78rem;
            font-weight: 500;
            border-radius: 20px;
            background: var(--color-brand-light);
            color: var(--color-brand);
            letter-spacing: 0.02em;
        }

        /* 流程步骤 */
        .step-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.6rem 1.4rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            position: relative;
            transition: all var(--transition-base);
            height: 100%;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .step-card .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-brand);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.8rem;
        }
        .step-card h4 {
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--color-dark);
            margin-bottom: 0.4rem;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.55;
        }

        /* 品牌条 */
        .brand-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 2rem 3rem;
            padding: 2rem 0;
            opacity: 0.7;
        }
        .brand-strip .partner-name {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1a2e;
            --color-secondary: #c9a96e;
            --color-accent: #d4af37;
            --color-surface: #fafafa;
            --color-muted: #6b7280;
            --color-card: #ffffff;
            --color-darkbg: #0f0f1a;
            --color-softgold: #f0e6d3;
            --color-border: #e5e7eb;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.15);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

        *,
        *::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: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: #1f2937;
            background-color: #fafafa;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            transition: all var(--transition-fast);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        input:focus-visible {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
        }

        /* 容器 */
        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* Header & 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition-normal), background var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            background: rgba(255, 255, 255, 0.99);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
        }
        .logo-text:hover {
            color: var(--color-accent);
        }
        .logo-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-left: 2px;
            vertical-align: middle;
            margin-bottom: 6px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.25rem;
        }
        .nav-links li a {
            display: block;
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #4b5563;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(0, 0, 0, 0.03);
        }
        .nav-links li a.active {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(212, 175, 55, 0.08);
        }
        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.3rem;
            font-size: 0.85rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff;
            border-radius: 2rem;
            border: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }
        .nav-cta:hover {
            background: #2a2a42;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        /* 汉堡菜单 */
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
        }
        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 3px;
            transition: all var(--transition-normal);
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        @media (max-width: 1024px) {
            .hamburger-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 5rem 1.5rem 2rem;
                gap: 0.5rem;
                box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
                transition: right var(--transition-slow);
                z-index: 999;
                overflow-y: auto;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                padding: 0.7rem 1rem;
                font-size: 1rem;
                width: 100%;
                border-radius: var(--radius-md);
            }
            .nav-links li a.active::after {
                display: none;
            }
            .nav-links li a.active {
                border-left: 3px solid var(--color-accent);
                border-radius: 0 var(--radius-md) var(--radius-md) 0;
            }
            .nav-cta-wrap {
                display: none;
            }
            .mobile-overlay {
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.4);
                z-index: 998;
                display: none;
                transition: opacity var(--transition-normal);
            }
            .mobile-overlay.show {
                display: block;
                animation: fadeIn 0.3s ease;
            }
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        /* 内页 Banner */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(15, 15, 26, 0.6) 60%, rgba(0, 0, 0, 0.45) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 3rem 0;
        }
        .page-banner-content h1 {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin: 0 0 0.75rem;
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
        }
        .page-banner-content .breadcrumb {
            display: flex;
            gap: 0.4rem;
            align-items: center;
            font-size: 0.9rem;
            opacity: 0.9;
            flex-wrap: wrap;
        }
        .page-banner-content .breadcrumb a {
            color: #fff;
            opacity: 0.8;
            transition: opacity var(--transition-fast);
        }
        .page-banner-content .breadcrumb a:hover {
            opacity: 1;
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 280px;
            }
            .page-banner-content h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 240px;
            }
            .page-banner-content h1 {
                font-size: 1.6rem;
            }
        }

        /* 板块通用 */
        .section-block {
            padding: 3.5rem 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 0.5rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
        }
        .section-subtitle {
            text-align: center;
            color: var(--color-muted);
            font-size: 1rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* 卡片 */
        .service-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.8rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .service-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            background: var(--color-softgold);
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 0 0 0.5rem;
            color: var(--color-primary);
        }
        .service-card p {
            color: var(--color-muted);
            font-size: 0.9rem;
            line-height: 1.65;
            margin: 0;
            flex-grow: 1;
        }

        /* 作品卡片 */
        .work-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .work-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .work-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .work-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .work-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .work-card .card-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 50%);
            opacity: 0;
            transition: opacity var(--transition-normal);
            display: flex;
            align-items: flex-end;
            padding: 1rem;
        }
        .work-card:hover .card-img-overlay {
            opacity: 1;
        }
        .work-card .card-body {
            padding: 1.2rem 1.3rem;
        }
        .work-card .card-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 0 0 0.35rem;
            color: var(--color-primary);
        }
        .work-card .card-body .tag {
            display: inline-block;
            font-size: 0.78rem;
            padding: 0.2rem 0.7rem;
            border-radius: 1rem;
            background: var(--color-softgold);
            color: #8b6914;
            font-weight: 500;
        }

        /* 流程步骤 */
        .step-item {
            text-align: center;
            padding: 1.2rem;
            position: relative;
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
        }
        .step-item h4 {
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 0.3rem;
            font-size: 1rem;
        }
        .step-item p {
            color: var(--color-muted);
            font-size: 0.85rem;
            margin: 0;
            line-height: 1.5;
        }

        /* 数据卡片 */
        .stat-card {
            text-align: center;
            padding: 1.8rem 1rem;
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            letter-spacing: 0.03em;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin-top: 0.3rem;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            gap: 1rem;
            user-select: none;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-softgold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-fast);
            color: var(--color-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 0.8rem;
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            text-align: center;
            padding: 3.5rem 1.5rem;
            border-radius: var(--radius-2xl);
            margin: 2rem 0 3.5rem;
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin: 0 0 0.6rem;
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
        }
        .cta-section p {
            opacity: 0.85;
            margin: 0 0 1.5rem;
            font-size: 1rem;
        }
        .btn-cta-primary {
            display: inline-block;
            padding: 0.8rem 2.2rem;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 2rem;
            background: var(--color-accent);
            color: #1a1a2e;
            border: none;
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-cta-primary:hover {
            background: #e0c060;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 175, 55, 0.35);
        }
        .btn-cta-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* Footer */
        .site-footer {
            background: var(--color-darkbg);
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-brand .logo-text-footer {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            font-family: 'Playfair Display', 'Noto Serif SC', serif;
            letter-spacing: 0.04em;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            opacity: 0.75;
            margin: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 0.8rem;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: #cbd5e1;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            opacity: 0.8;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            opacity: 1;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.6;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }

/* roulang page: category4 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #d48c22;
            --color-primary-dark: #8f5718;
            --color-primary-light: #e8b86d;
            --color-secondary: #1f2738;
            --color-accent: #c41e3a;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f1ed;
            --color-surface: #ffffff;
            --color-text: #1f2738;
            --color-text-soft: #5c6378;
            --color-text-muted: #8b91a0;
            --color-border: #e5e3dd;
            --color-border-light: #f0ede7;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 2px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 40px rgba(212, 140, 34, 0.2);
            --transition-fast: 180ms ease;
            --transition-base: 260ms ease;
            --transition-slow: 380ms cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", system-ui, -apple-system, sans-serif;
        }

        /* ============ 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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            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;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

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

        ul,
        ol {
            list-style: none;
        }

        /* ============ 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: 16px;
                padding-right: 16px;
            }
        }

        /* ============ 导航 Header ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, #d48c22 0%, #c41e3a 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: -0.5px;
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.02em;
            color: var(--color-secondary);
            white-space: nowrap;
        }

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

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

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.935rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--color-primary);
            background: #fdf8f0;
        }

        .nav-links li a.active {
            color: var(--color-primary);
            background: #fef6ea;
            font-weight: 600;
            box-shadow: inset 0 -2px 0 var(--color-primary);
        }

        .nav-links li a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(212, 140, 34, 0.3);
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            background: #b3701a;
            box-shadow: 0 4px 16px rgba(212, 140, 34, 0.45);
            transform: translateY(-1px);
        }

        .nav-cta-btn:active {
            transform: scale(0.96);
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            border-color: var(--color-primary);
            background: #fdf8f0;
        }

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-base);
            position: relative;
        }

        .mobile-toggle span::before,
        .mobile-toggle span::after {
            content: '';
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            position: absolute;
            transition: all var(--transition-base);
        }

        .mobile-toggle span::before {
            top: -7px;
        }
        .mobile-toggle span::after {
            top: 7px;
        }

        .mobile-toggle.active span {
            background: transparent;
        }
        .mobile-toggle.active span::before {
            top: 0;
            transform: rotate(45deg);
        }
        .mobile-toggle.active span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 20px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 99;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }

            .nav-links li a {
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 1rem;
                width: 100%;
                justify-content: flex-start;
            }

            .nav-cta-btn {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
                width: 100%;
                border-radius: 10px;
                padding: 12px 20px;
                font-size: 0.95rem;
            }

            .header-inner {
                height: 56px;
            }
        }

        /* ============ 板块间距 ============ */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 56px 0;
        }
        .section-padding-lg {
            padding: 100px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 52px 0;
            }
            .section-padding-sm {
                padding: 36px 0;
            }
            .section-padding-lg {
                padding: 64px 0;
            }
        }

        /* ============ 板块标题 ============ */
        .section-badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: #fef6ea;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-secondary);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 640px;
            line-height: 1.65;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ============ 卡片组件 ============ */
        .card-base {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef0f4;
        }

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

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

        .card-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.05) 50%, transparent 100%);
            pointer-events: none;
        }

        .card-body {
            padding: 20px 22px 24px;
        }

        .card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: #fef6ea;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--color-secondary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

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

        /* ============ 按钮系统 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(212, 140, 34, 0.35);
        }
        .btn-primary:hover {
            background: #b3701a;
            box-shadow: 0 6px 22px rgba(212, 140, 34, 0.5);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.95);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--color-primary-light);
            outline-offset: 3px;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-secondary);
            border: 2px solid var(--color-border);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: #fdf8f0;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.95);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(196, 30, 58, 0.3);
        }
        .btn-accent:hover {
            background: #a3152f;
            box-shadow: 0 6px 22px rgba(196, 30, 58, 0.45);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 15px 34px;
            font-size: 1.05rem;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* ============ FAQ 组件 ============ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
            background: var(--color-surface);
        }
        .faq-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-secondary);
            text-align: left;
            cursor: pointer;
            background: transparent;
            border: none;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f5f3ef;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
            font-size: 1.2rem;
            color: var(--color-text-soft);
            font-weight: 300;
        }
        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }
        .faq-answer-inner {
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.75;
        }

        /* ============ 统计数字 ============ */
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 6px;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            color: var(--color-border);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #1a1e28;
            color: #c5c8d0;
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo-text-footer {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #a0a5b0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 650;
            color: #e8e9ed;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: #a0a5b0;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #e8b86d;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            color: #7a7f8c;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ============ Banner 覆盖层 ============ */
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(21, 27, 40, 0.88) 0%, rgba(21, 27, 40, 0.65) 40%, rgba(21, 27, 40, 0.5) 70%, rgba(21, 27, 40, 0.78) 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
        }

        /* ============ 流程步骤 ============ */
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            position: relative;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #d48c22 0%, #e8b86d 100%);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(212, 140, 34, 0.3);
        }
        .step-content h4 {
            font-weight: 650;
            font-size: 1.08rem;
            color: var(--color-secondary);
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* ============ 合作伙伴 Logo 网格 ============ */
        .partner-logo-item {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px 28px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            min-height: 80px;
            text-align: center;
        }
        .partner-logo-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-md);
            color: var(--color-primary);
        }

        /* ============ 响应式微调 ============ */
        @media (max-width: 520px) {
            .stat-number {
                font-size: 2rem;
            }
            .card-body {
                padding: 14px 16px 18px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .btn-lg {
                padding: 12px 26px;
                font-size: 0.95rem;
            }
        }

        /* ============ 选中文本 ============ */
        ::selection {
            background: rgba(212, 140, 34, 0.2);
            color: var(--color-secondary);
        }

        /* ============ 平滑滚动条（Webkit） ============ */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: #d1cec7;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #b0aca4;
        }

/* roulang page: category2 */
:root {
            --color-brand: #4a20e8;
            --color-brand-dark: #2e1199;
            --color-brand-light: #7a6fff;
            --color-accent: #f98c0a;
            --color-accent-dark: #b74808;
            --color-bg: #f8f9fb;
            --color-surface: #ffffff;
            --color-text: #22262e;
            --color-text-weak: #6e7887;
            --color-text-muted: #9ba4b0;
            --color-border: #e2e6eb;
            --color-border-light: #f0f2f5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(10, 12, 16, 0.06);
            --shadow-md: 0 4px 12px rgba(10, 12, 16, 0.08);
            --shadow-lg: 0 8px 28px rgba(10, 12, 16, 0.12);
            --shadow-xl: 0 16px 48px rgba(10, 12, 16, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --nav-height: 64px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-brand-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }

        .logo-section {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1001;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--color-brand);
            background: rgba(74, 32, 232, 0.05);
        }

        .nav-links li a.active {
            color: var(--color-brand);
            background: rgba(74, 32, 232, 0.08);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-brand);
        }

        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            background: var(--color-brand);
            color: #fff;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: -0.2px;
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-text);
            padding: 6px;
            cursor: pointer;
            z-index: 1001;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-border-light);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 12, 16, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-normal);
            pointer-events: none;
        }

        .mobile-nav-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            right: 0;
            width: 280px;
            max-width: 85vw;
            bottom: 0;
            background: #fff;
            z-index: 1000;
            padding: 20px;
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            box-shadow: var(--shadow-xl);
            overflow-y: auto;
        }

        .mobile-nav-panel.open {
            transform: translateX(0);
        }

        .mobile-nav-panel .nav-links-mobile {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-panel .nav-links-mobile li a {
            display: block;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel .nav-links-mobile li a:hover,
        .mobile-nav-panel .nav-links-mobile li a.active {
            background: rgba(74, 32, 232, 0.08);
            color: var(--color-brand);
        }

        @media (max-width: 920px) {
            .nav-links {
                display: none;
            }
            .header-cta-group .btn-nav-cta.desktop-only {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .mobile-nav-overlay {
                display: block;
            }
            .mobile-nav-panel {
                display: block;
            }
        }

        @media (min-width: 921px) {
            .mobile-nav-overlay,
            .mobile-nav-panel {
                display: none !important;
            }
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-brand);
        }
        .breadcrumb .sep {
            color: var(--color-text-muted);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--color-brand);
            font-weight: 500;
        }

        /* ========== 分类 Banner 分屏布局 ========== */
        .category-banner {
            position: relative;
            display: flex;
            align-items: stretch;
            min-height: 420px;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            margin-top: 28px;
        }

        .category-banner .banner-content {
            flex: 1 1 55%;
            padding: 48px 44px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            z-index: 2;
            background: linear-gradient(180deg, #ffffff 0%, rgba(248, 249, 251, 0.95) 100%);
        }

        .category-banner .banner-visual {
            flex: 1 1 45%;
            position: relative;
            min-height: 300px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .category-banner .banner-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(74, 32, 232, 0.35) 0%, rgba(30, 10, 102, 0.55) 100%);
            z-index: 1;
        }

        .category-banner .banner-visual .visual-overlay-text {
            position: relative;
            z-index: 2;
            color: #fff;
            text-align: center;
            padding: 20px;
        }
        .category-banner .banner-visual .visual-overlay-text .big-number {
            font-size: 72px;
            font-weight: 800;
            line-height: 1;
            letter-spacing: -2px;
            opacity: 0.9;
        }
        .category-banner .banner-visual .visual-overlay-text .big-number-sub {
            font-size: 16px;
            font-weight: 400;
            opacity: 0.85;
            letter-spacing: 1px;
        }

        .category-banner .banner-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(74, 32, 232, 0.1);
            color: var(--color-brand);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            width: fit-content;
        }

        .category-banner h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.8px;
            color: var(--color-text);
            margin: 0 0 12px;
            line-height: 1.25;
        }

        .category-banner .banner-desc {
            font-size: 16px;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin: 0 0 20px;
            max-width: 520px;
        }

        .category-banner .banner-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        @media (max-width: 820px) {
            .category-banner {
                flex-direction: column;
                min-height: auto;
                border-radius: var(--radius-lg);
            }
            .category-banner .banner-content {
                padding: 32px 20px;
                order: 1;
            }
            .category-banner .banner-visual {
                flex: none;
                min-height: 220px;
                order: 0;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner .banner-desc {
                font-size: 15px;
            }
            .category-banner .banner-visual .visual-overlay-text .big-number {
                font-size: 48px;
            }
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 56px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(74, 32, 232, 0.08);
            color: var(--color-brand);
            letter-spacing: 0.6px;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--color-text);
            margin: 0 0 8px;
        }
        .section-header .section-subtitle {
            font-size: 15px;
            color: var(--color-text-weak);
            max-width: 560px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== 卡片 ========== */
        .card-service {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .card-service:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-service .card-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-service h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text);
        }
        .card-service p {
            font-size: 14px;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.65;
        }
        .card-service .card-accent-stripe {
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            border-radius: 4px 0 0 4px;
        }

        /* ========== 流程步骤 ========== */
        .step-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: #fff;
            background: var(--color-brand);
        }
        .step-info h5 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--color-text);
        }
        .step-info p {
            font-size: 14px;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 数据卡片 ========== */
        .stat-card {
            text-align: center;
            padding: 24px 16px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-value {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--color-brand);
            line-height: 1.1;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--color-text-weak);
            margin-top: 6px;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
            border: none;
            outline: none;
        }
        .faq-question:hover {
            color: var(--color-brand);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 20px;
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--color-brand);
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 10px;
            color: #fff;
            letter-spacing: -0.4px;
        }
        .cta-section p {
            font-size: 16px;
            opacity: 0.9;
            margin: 0 0 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 22px;
            }
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-block;
            padding: 11px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            background: var(--color-brand);
            color: #fff;
            transition: all var(--transition-fast);
            letter-spacing: -0.2px;
            text-align: center;
            cursor: pointer;
            border: none;
            outline: none;
        }
        .btn-primary:hover {
            background: var(--color-brand-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-block;
            padding: 10px 26px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            background: transparent;
            border: 2px solid var(--color-brand);
            color: var(--color-brand);
            transition: all var(--transition-fast);
            letter-spacing: -0.2px;
            text-align: center;
            cursor: pointer;
            outline: none;
        }
        .btn-outline:hover {
            background: var(--color-brand);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-light {
            display: inline-block;
            padding: 11px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            background: #fff;
            color: var(--color-brand);
            transition: all var(--transition-fast);
            letter-spacing: -0.2px;
            text-align: center;
            cursor: pointer;
            border: none;
            outline: none;
        }
        .btn-light:hover {
            background: #f0f0ff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-neutral-900);
            color: #c8ced6;
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text-footer {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #9ba4b0;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: #9ba4b0;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: #6e7887;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== 标签/徽章 ========== */
        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .tag-brand {
            background: rgba(74, 32, 232, 0.1);
            color: var(--color-brand);
        }
        .tag-accent {
            background: rgba(249, 140, 10, 0.1);
            color: var(--color-accent);
        }

        /* 辅助 */
        .text-gradient {
            background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-soft-brand {
            background: rgba(74, 32, 232, 0.04);
        }
        .bg-soft-accent {
            background: rgba(249, 140, 10, 0.05);
        }