/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1a2e;
            --primary-light: #1a2d4a;
            --accent: #c9a84c;
            --accent-dark: #b8942e;
            --accent-light: #e8d28a;
            --bg-dark: #0b1424;
            --bg-section: #f5f7fc;
            --bg-card: #ffffff;
            --text-primary: #0f1a2e;
            --text-secondary: #4a5568;
            --text-muted: #8896a6;
            --text-white: #ffffff;
            --border-light: rgba(201, 168, 76, 0.25);
            --border-card: #e8ecf2;
            --shadow-sm: 0 2px 8px rgba(15, 26, 46, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 26, 46, 0.1);
            --shadow-lg: 0 20px 60px rgba(15, 26, 46, 0.15);
            --shadow-glow: 0 0 40px rgba(201, 168, 76, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', 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;
        }
        body {
            font-family: var(--font-primary);
            color: var(--text-primary);
            background: #ffffff;
            line-height: 1.7;
            font-size: 1rem;
            overflow-x: hidden;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ===== 容器 ===== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .navbar-glass {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            padding: 12px 0;
            background: rgba(15, 26, 46, 0.12);
            backdrop-filter: blur(18px) saturate(1.2);
            -webkit-backdrop-filter: blur(18px) saturate(1.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .navbar-glass.scrolled {
            background: rgba(15, 26, 46, 0.92);
            backdrop-filter: blur(24px) saturate(1.4);
            -webkit-backdrop-filter: blur(24px) saturate(1.4);
            border-bottom: 1px solid rgba(201, 168, 76, 0.15);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
            padding: 6px 0;
        }
        .navbar-glass .navbar-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .navbar-glass .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
            font-weight: 900;
        }
        .navbar-glass .navbar-brand:hover {
            color: var(--accent-light);
        }
        .navbar-glass .nav-link {
            color: rgba(255, 255, 255, 0.8) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 20px !important;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }
        .navbar-glass .nav-link:hover,
        .navbar-glass .nav-link.active {
            color: var(--accent-light) !important;
            background: rgba(201, 168, 76, 0.12);
        }
        .navbar-glass .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .navbar-glass .btn-nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary) !important;
            font-weight: 700;
            padding: 8px 24px;
            border-radius: 50px;
            border: none;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(201, 168, 76, 0.3);
        }
        .navbar-glass .btn-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(201, 168, 76, 0.4);
            color: var(--primary) !important;
        }
        .navbar-glass .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-white);
            font-size: 1.3rem;
        }
        .navbar-glass .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.3);
        }
        @media (max-width: 991.98px) {
            .navbar-glass .navbar-collapse {
                background: rgba(15, 26, 46, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: var(--radius-md);
                padding: 16px 20px;
                margin-top: 12px;
                border: 1px solid rgba(201, 168, 76, 0.1);
            }
            .navbar-glass .nav-link {
                padding: 10px 16px !important;
                text-align: center;
            }
            .navbar-glass .nav-link.active::after {
                display: none;
            }
            .navbar-glass .btn-nav-cta {
                width: 100%;
                text-align: center;
                margin-top: 8px;
            }
        }

        /* ===== Hero 首屏 ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-dark);
            overflow: hidden;
            padding: 120px 0 80px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            transform: scale(1.05);
            filter: brightness(0.45) saturate(0.9);
            animation: heroZoom 20s ease-in-out infinite alternate;
        }
        @keyframes heroZoom {
            0% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1.15);
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(15, 26, 46, 0.5) 0%, rgba(11, 20, 36, 0.85) 100%);
            z-index: 1;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 0 24px;
        }
        .hero-section .hero-badge {
            display: inline-block;
            background: rgba(201, 168, 76, 0.15);
            border: 1px solid rgba(201, 168, 76, 0.3);
            color: var(--accent-light);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-section h1 {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .hero-section h1 .accent-text {
            background: linear-gradient(135deg, var(--accent-light), var(--accent), var(--accent-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-section .hero-sub {
            font-size: clamp(1.05rem, 2vw, 1.35rem);
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.7;
            font-weight: 400;
        }
        .hero-section .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .hero-section .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary) !important;
            font-weight: 700;
            padding: 14px 40px;
            border-radius: 50px;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(201, 168, 76, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .hero-section .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(201, 168, 76, 0.5);
        }
        .hero-section .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-white) !important;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
            backdrop-filter: blur(4px);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .hero-section .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(201, 168, 76, 0.4);
            transform: translateY(-3px);
        }
        .hero-section .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 64px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-section .hero-stat-item {
            text-align: center;
        }
        .hero-section .hero-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            display: block;
        }
        .hero-section .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 60px;
            }
            .hero-section .hero-stats {
                gap: 24px;
                margin-top: 40px;
                padding-top: 24px;
            }
            .hero-section .hero-stat-item .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 90px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
        }
        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .section-subtitle.left {
            text-align: left;
            margin-left: 0;
        }
        .accent-underline {
            display: inline-block;
            position: relative;
        }
        .accent-underline::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-dark));
            border-radius: 2px;
        }
        .accent-underline.left::after {
            left: 0;
            transform: none;
        }
        .bg-section-alt {
            background: var(--bg-section);
        }
        .bg-dark-section {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .bg-dark-section .section-title {
            color: var(--text-white);
        }
        .bg-dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 168, 76, 0.2);
        }
        .card-custom .card-body {
            padding: 28px 24px;
        }
        .card-custom .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, rgba(201, 168, 76, 0.12), rgba(201, 168, 76, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .card-custom:hover .card-icon {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary);
            transform: scale(1.05);
        }
        .card-custom .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .card-custom .card-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .card-custom .card-tag {
            display: inline-block;
            background: rgba(201, 168, 76, 0.1);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .card-custom-dark {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom-dark:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(201, 168, 76, 0.2);
            transform: translateY(-4px);
        }
        .card-custom-dark .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(201, 168, 76, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-light);
            margin-bottom: 16px;
        }
        .card-custom-dark .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .card-custom-dark .card-text {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            font-size: 0.95rem;
            cursor: pointer;
        }
        .btn-custom-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary) !important;
            box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
        }
        .btn-custom-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(201, 168, 76, 0.4);
        }
        .btn-custom-outline {
            background: transparent;
            color: var(--accent) !important;
            border: 2px solid var(--accent);
        }
        .btn-custom-outline:hover {
            background: var(--accent);
            color: var(--primary) !important;
            transform: translateY(-3px);
        }
        .btn-custom-white {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-white) !important;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .btn-custom-white:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* ===== 徽章 ===== */
        .badge-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge-accent {
            background: rgba(201, 168, 76, 0.12);
            color: var(--accent-dark);
        }
        .badge-white {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-white);
        }

        /* ===== 资讯列表 (CMS) ===== */
        .news-list .news-item {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-card);
            transition: var(--transition);
        }
        .news-list .news-item:last-child {
            border-bottom: none;
        }
        .news-list .news-item:hover {
            padding-left: 12px;
        }
        .news-list .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-section);
        }
        .news-list .news-body {
            flex: 1;
            min-width: 200px;
        }
        .news-list .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            transition: var(--transition);
            display: block;
        }
        .news-list .news-title:hover {
            color: var(--accent-dark);
        }
        .news-list .news-summary {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list .news-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 8px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .news-list .news-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: var(--bg-section);
            border-radius: var(--radius-md);
        }
        @media (max-width: 576px) {
            .news-list .news-thumb {
                width: 80px;
                height: 60px;
            }
            .news-list .news-title {
                font-size: 0.95rem;
            }
        }

        /* ===== 统计数字 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        .stats-grid .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .stats-grid .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(201, 168, 76, 0.15);
        }
        .stats-grid .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--accent-light);
            display: block;
            line-height: 1.2;
        }
        .stats-grid .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-grid .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--border-card);
            border-radius: 0 !important;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 20px 0;
            box-shadow: none;
            border: none;
            border-radius: 0 !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent-dark);
            background: transparent;
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            background-size: 16px;
            filter: brightness(0.5);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            filter: brightness(0.8) sepia(1) hue-rotate(-10deg) saturate(3);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .faq-accordion .accordion-body {
            padding: 0 0 20px 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-accordion-dark .accordion-item {
            border-bottom-color: rgba(255, 255, 255, 0.08);
        }
        .faq-accordion-dark .accordion-button {
            color: var(--text-white);
        }
        .faq-accordion-dark .accordion-button:not(.collapsed) {
            color: var(--accent-light);
        }
        .faq-accordion-dark .accordion-button::after {
            filter: brightness(0.8);
        }
        .faq-accordion-dark .accordion-body {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 60px 0;
        }
        .cta-section .cta-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-section .cta-text {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.65);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            display: block;
        }
        .footer .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer .footer-bottom a:hover {
            color: var(--accent-light);
        }
        .footer .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }
        .footer .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer .footer-social a:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .footer {
                padding: 40px 0 20px;
            }
            .footer .footer-col {
                margin-bottom: 28px;
            }
        }

        /* ===== 图文混合板块 ===== */
        .split-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .split-block .split-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .split-block .split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            transition: var(--transition);
        }
        .split-block .split-image:hover img {
            transform: scale(1.03);
        }
        .split-block .split-content .label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(201, 168, 76, 0.1);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .split-block .split-content h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .split-block .split-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .split-block .split-content .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 20px;
        }
        .split-block .split-content .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.92rem;
            color: var(--text-secondary);
        }
        .split-block .split-content .feature-list li i {
            color: var(--accent);
            font-size: 1rem;
            width: 20px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .split-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .split-block .split-image {
                order: -1;
            }
            .split-block .split-image img {
                min-height: 220px;
            }
        }

        /* ===== 服务流程 ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            counter-reset: step;
        }
        .process-steps .step-item {
            text-align: center;
            padding: 36px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            transition: var(--transition);
            position: relative;
        }
        .process-steps .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .process-steps .step-item .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .process-steps .step-item .step-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .process-steps .step-item .step-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 图片覆盖遮罩 ===== */
        .img-overlay {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-md);
        }
        .img-overlay::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 26, 46, 0.5), transparent);
            pointer-events: none;
        }

        /* ===== 滚动动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 576px) {
            .container-custom {
                padding: 0 12px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-subtitle {
                margin-bottom: 28px;
                font-size: 0.95rem;
            }
            .card-custom .card-body {
                padding: 20px 16px;
            }
            .hero-section .btn-hero-primary,
            .hero-section .btn-hero-secondary {
                padding: 12px 28px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 额外工具 ===== */
        .text-accent {
            color: var(--accent) !important;
        }
        .text-accent-light {
            color: var(--accent-light) !important;
        }
        .bg-accent-soft {
            background: rgba(201, 168, 76, 0.06);
        }
        .gap-sm {
            gap: 12px;
        }
        .gap-md {
            gap: 24px;
        }
        .gap-lg {
            gap: 40px;
        }
        .mt-section {
            margin-top: 60px;
        }
        .mb-section {
            margin-bottom: 60px;
        }

        /* 分隔线装饰 */
        .divider-accent {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-dark));
            border-radius: 2px;
            margin: 16px auto 24px;
        }
        .divider-accent.left {
            margin-left: 0;
        }

        /* 卡片网格间距 */
        .grid-gap {
            gap: 28px;
        }
        @media (max-width: 768px) {
            .grid-gap {
                gap: 16px;
            }
        }

        /* 品牌色边框 */
        .border-accent {
            border-color: var(--accent) !important;
        }

        /* 按钮焦点 */
        .btn:focus,
        .btn-custom:focus,
        .form-control:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.25);
        }

        /* 导航栏品牌hover */
        .navbar-glass .navbar-brand .brand-icon:hover {
            transform: rotate(-5deg) scale(1.05);
        }

        /* 滚动条 */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-section);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-dark);
        }

/* roulang page: article */
/* ========================================
       设计变量
    ======================================== */
    :root {
        --primary-dark: #0b0e1a;
        --primary: #12172e;
        --primary-mid: #1a2245;
        --primary-light: #2a3a6a;
        --accent: #d4a43a;
        --accent-light: #e8c56a;
        --accent-glow: rgba(212, 164, 58, 0.25);
        --bg-main: #f4f6fc;
        --bg-card: #ffffff;
        --bg-dark: #0b0e1a;
        --text-dark: #1a1e2e;
        --text-body: #3a4050;
        --text-light: #7a8298;
        --text-white: #f0f2f8;
        --border-light: rgba(255, 255, 255, 0.10);
        --border-card: #e8ebf2;
        --shadow-sm: 0 2px 12px rgba(10, 14, 30, 0.06);
        --shadow-md: 0 8px 32px rgba(10, 14, 30, 0.10);
        --shadow-lg: 0 16px 56px rgba(10, 14, 30, 0.14);
        --shadow-accent: 0 4px 24px rgba(212, 164, 58, 0.30);
        --radius-sm: 8px;
        --radius-md: 16px;
        --radius-lg: 24px;
        --radius-xl: 32px;
        --transition: 0.30s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    }

    /* ========================================
       基础 Reset
    ======================================== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-family);
        font-size: 1rem;
        line-height: 1.7;
        color: var(--text-body);
        background: var(--bg-main);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }
    a {
        color: var(--primary-light);
        text-decoration: none;
        transition: color var(--transition);
    }
    a:hover {
        color: var(--accent);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius-sm);
    }
    button,
    input,
    textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }
    ul,
    ol {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        color: var(--text-dark);
        font-weight: 700;
        line-height: 1.3;
        margin-top: 0;
    }
    p {
        margin-bottom: 1rem;
    }

    /* ========================================
       容器
    ======================================== */
    .container-custom {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }
    @media (max-width: 768px) {
        .container-custom {
            padding: 0 16px;
        }
    }

    /* ========================================
       导航 — 玻璃沉浸
    ======================================== */
    .navbar-glass {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1050;
        padding: 0.6rem 0;
        background: rgba(11, 14, 26, 0.72);
        backdrop-filter: blur(18px) saturate(1.4);
        -webkit-backdrop-filter: blur(18px) saturate(1.4);
        border-bottom: 1px solid var(--border-light);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.20);
        transition: background var(--transition), box-shadow var(--transition);
    }
    .navbar-glass.scrolled {
        background: rgba(11, 14, 26, 0.92);
        box-shadow: 0 6px 40px rgba(0, 0, 0, 0.35);
    }
    .navbar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--text-white) !important;
        letter-spacing: 0.5px;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.30);
    }
    .navbar-brand .brand-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, var(--accent), var(--accent-light));
        color: var(--primary-dark);
        border-radius: var(--radius-sm);
        font-size: 1.25rem;
        font-weight: 900;
        box-shadow: 0 4px 16px var(--accent-glow);
    }
    .navbar-glass .nav-link {
        color: rgba(240, 242, 248, 0.78) !important;
        font-weight: 500;
        padding: 0.5rem 1rem !important;
        border-radius: var(--radius-sm);
        transition: color var(--transition), background var(--transition);
        position: relative;
    }
    .navbar-glass .nav-link:hover,
    .navbar-glass .nav-link:focus {
        color: var(--text-white) !important;
        background: rgba(255, 255, 255, 0.06);
    }
    .navbar-glass .nav-link.active {
        color: var(--accent) !important;
        background: rgba(212, 164, 58, 0.10);
    }
    .navbar-glass .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        background: var(--accent);
        border-radius: 4px;
    }
    .btn-nav-cta {
        background: linear-gradient(135deg, var(--accent), var(--accent-light));
        color: var(--primary-dark) !important;
        font-weight: 700;
        padding: 0.5rem 1.5rem;
        border-radius: 50px;
        border: none;
        transition: transform var(--transition), box-shadow var(--transition);
        box-shadow: 0 4px 20px var(--accent-glow);
        font-size: 0.9rem;
    }
    .btn-nav-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 32px rgba(212, 164, 58, 0.45);
        color: var(--primary-dark) !important;
    }
    .navbar-toggler {
        border: none;
        color: var(--text-white);
        font-size: 1.4rem;
        padding: 0.25rem 0.5rem;
        background: transparent;
    }
    .navbar-toggler:focus {
        box-shadow: none;
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }
    @media (max-width: 991px) {
        .navbar-glass .navbar-collapse {
            background: rgba(11, 14, 26, 0.96);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-md);
            padding: 1rem;
            margin-top: 0.5rem;
            border: 1px solid var(--border-light);
        }
        .navbar-glass .nav-link.active::after {
            display: none;
        }
        .navbar-glass .nav-link {
            padding: 0.6rem 1rem !important;
        }
        .btn-nav-cta {
            width: 100%;
            text-align: center;
            margin-top: 0.5rem;
        }
    }

    /* ========================================
       Hero 文章头部
    ======================================== */
    .article-hero {
        position: relative;
        padding: 120px 0 60px;
        background: var(--primary-dark);
        overflow: hidden;
        min-height: 320px;
        display: flex;
        align-items: center;
    }
    .article-hero-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        opacity: 0.25;
        z-index: 0;
    }
    .article-hero-bg::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(11, 14, 26, 0.88) 30%, rgba(26, 34, 69, 0.70) 100%);
    }
    .article-hero .container-custom {
        position: relative;
        z-index: 1;
    }
    .article-hero .breadcrumb-wrap {
        color: rgba(240, 242, 248, 0.6);
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    .article-hero .breadcrumb-wrap a {
        color: var(--accent-light);
    }
    .article-hero .breadcrumb-wrap a:hover {
        color: var(--accent);
        text-decoration: underline;
    }
    .article-hero h1 {
        font-size: 2.6rem;
        font-weight: 800;
        color: var(--text-white);
        text-shadow: 0 4px 20px rgba(0, 0, 0, 0.30);
        max-width: 900px;
        line-height: 1.25;
        margin-bottom: 1rem;
    }
    .article-hero .meta-line {
        display: flex;
        flex-wrap: wrap;
        gap: 1.5rem;
        color: rgba(240, 242, 248, 0.7);
        font-size: 0.95rem;
        align-items: center;
    }
    .article-hero .meta-line i {
        margin-right: 6px;
        color: var(--accent);
    }
    .article-hero .meta-line .badge-cat {
        background: var(--accent);
        color: var(--primary-dark);
        font-weight: 700;
        padding: 0.25rem 1rem;
        border-radius: 50px;
        font-size: 0.8rem;
    }
    @media (max-width: 768px) {
        .article-hero {
            padding: 100px 0 40px;
            min-height: 240px;
        }
        .article-hero h1 {
            font-size: 1.8rem;
        }
        .article-hero .meta-line {
            gap: 0.8rem;
            font-size: 0.85rem;
        }
    }
    @media (max-width: 520px) {
        .article-hero h1 {
            font-size: 1.4rem;
        }
    }

    /* ========================================
       文章正文区
    ======================================== */
    .article-main {
        padding: 60px 0 40px;
    }
    .article-content-wrap {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        padding: 48px 56px;
        border: 1px solid var(--border-card);
    }
    .article-content-wrap .article-body {
        font-size: 1.05rem;
        line-height: 1.9;
        color: var(--text-body);
    }
    .article-content-wrap .article-body h2,
    .article-content-wrap .article-body h3 {
        margin-top: 2rem;
        margin-bottom: 0.8rem;
        color: var(--text-dark);
    }
    .article-content-wrap .article-body p {
        margin-bottom: 1.2rem;
    }
    .article-content-wrap .article-body img {
        border-radius: var(--radius-md);
        margin: 1.5rem auto;
        box-shadow: var(--shadow-sm);
    }
    .article-content-wrap .article-body ul,
    .article-content-wrap .article-body ol {
        padding-left: 1.5rem;
        margin-bottom: 1.2rem;
        list-style: disc;
    }
    .article-content-wrap .article-body ol {
        list-style: decimal;
    }
    .article-content-wrap .article-body li {
        margin-bottom: 0.4rem;
    }
    .article-content-wrap .article-body blockquote {
        border-left: 4px solid var(--accent);
        padding: 1rem 1.5rem;
        background: rgba(212, 164, 58, 0.06);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: 1.5rem 0;
        color: var(--text-dark);
        font-style: italic;
    }
    .article-content-wrap .article-body a {
        color: var(--primary-light);
        text-decoration: underline;
    }
    .article-content-wrap .article-body a:hover {
        color: var(--accent);
    }
    .article-not-found {
        text-align: center;
        padding: 60px 20px;
    }
    .article-not-found .icon-lg {
        font-size: 4rem;
        color: var(--text-light);
        margin-bottom: 1rem;
    }
    .article-not-found h3 {
        font-size: 1.6rem;
        margin-bottom: 0.5rem;
    }
    .article-not-found p {
        color: var(--text-light);
        margin-bottom: 1.5rem;
    }
    .article-not-found .btn-back {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: var(--text-white);
        padding: 0.7rem 2rem;
        border-radius: 50px;
        font-weight: 600;
        transition: background var(--transition), transform var(--transition);
    }
    .article-not-found .btn-back:hover {
        background: var(--primary-light);
        transform: translateY(-2px);
        color: var(--text-white);
    }
    @media (max-width: 768px) {
        .article-content-wrap {
            padding: 28px 20px;
        }
        .article-content-wrap .article-body {
            font-size: 1rem;
        }
    }

    /* ========================================
       服务特色板块
    ======================================== */
    .section-features {
        padding: 60px 0;
        background: var(--bg-main);
    }
    .section-features .section-title {
        text-align: center;
        font-size: 2rem;
        font-weight: 800;
        margin-bottom: 0.5rem;
        color: var(--text-dark);
    }
    .section-features .section-sub {
        text-align: center;
        color: var(--text-light);
        margin-bottom: 3rem;
        font-size: 1.05rem;
    }
    .feature-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 32px 28px;
        border: 1px solid var(--border-card);
        box-shadow: var(--shadow-sm);
        transition: transform var(--transition), box-shadow var(--transition);
        height: 100%;
        text-align: center;
    }
    .feature-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
    }
    .feature-card .icon-wrap {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 64px;
        height: 64px;
        background: linear-gradient(135deg, rgba(212, 164, 58, 0.12), rgba(212, 164, 58, 0.04));
        border-radius: var(--radius-md);
        font-size: 1.8rem;
        color: var(--accent);
        margin-bottom: 1.2rem;
        transition: transform var(--transition);
    }
    .feature-card:hover .icon-wrap {
        transform: scale(1.10);
    }
    .feature-card h4 {
        font-size: 1.2rem;
        font-weight: 700;
        margin-bottom: 0.6rem;
        color: var(--text-dark);
    }
    .feature-card p {
        font-size: 0.95rem;
        color: var(--text-light);
        margin-bottom: 0;
    }

    /* ========================================
       相关推荐 — 文章卡片
    ======================================== */
    .section-related {
        padding: 60px 0;
        background: var(--bg-card);
    }
    .section-related .section-title {
        text-align: center;
        font-size: 2rem;
        font-weight: 800;
        margin-bottom: 0.5rem;
        color: var(--text-dark);
    }
    .section-related .section-sub {
        text-align: center;
        color: var(--text-light);
        margin-bottom: 3rem;
        font-size: 1.05rem;
    }
    .related-card {
        background: var(--bg-main);
        border-radius: var(--radius-md);
        overflow: hidden;
        border: 1px solid var(--border-card);
        box-shadow: var(--shadow-sm);
        transition: transform var(--transition), box-shadow var(--transition);
        height: 100%;
    }
    .related-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
    }
    .related-card .card-img {
        height: 200px;
        background: var(--primary-dark);
        position: relative;
        overflow: hidden;
    }
    .related-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .related-card:hover .card-img img {
        transform: scale(1.06);
    }
    .related-card .card-img .overlay-tag {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--accent);
        color: var(--primary-dark);
        font-weight: 700;
        font-size: 0.75rem;
        padding: 0.2rem 0.9rem;
        border-radius: 50px;
    }
    .related-card .card-body {
        padding: 20px 20px 24px;
    }
    .related-card .card-body h5 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 0.4rem;
        color: var(--text-dark);
    }
    .related-card .card-body p {
        font-size: 0.9rem;
        color: var(--text-light);
        margin-bottom: 0.8rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .related-card .card-body .card-link {
        color: var(--primary-light);
        font-weight: 600;
        font-size: 0.9rem;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: color var(--transition);
    }
    .related-card .card-body .card-link:hover {
        color: var(--accent);
    }

    /* ========================================
       FAQ 板块
    ======================================== */
    .section-faq {
        padding: 60px 0;
        background: var(--bg-main);
    }
    .section-faq .section-title {
        text-align: center;
        font-size: 2rem;
        font-weight: 800;
        margin-bottom: 0.5rem;
        color: var(--text-dark);
    }
    .section-faq .section-sub {
        text-align: center;
        color: var(--text-light);
        margin-bottom: 3rem;
        font-size: 1.05rem;
    }
    .faq-item {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 20px 28px;
        margin-bottom: 12px;
        border: 1px solid var(--border-card);
        box-shadow: var(--shadow-sm);
        transition: box-shadow var(--transition), border-color var(--transition);
    }
    .faq-item:hover {
        box-shadow: var(--shadow-md);
        border-color: var(--accent);
    }
    .faq-item .faq-question {
        font-weight: 700;
        font-size: 1.05rem;
        color: var(--text-dark);
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        gap: 12px;
    }
    .faq-item .faq-question i {
        color: var(--accent);
        font-size: 1.1rem;
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }
    .faq-item .faq-question[aria-expanded="true"] i {
        transform: rotate(180deg);
    }
    .faq-item .faq-answer {
        margin-top: 12px;
        color: var(--text-light);
        font-size: 0.95rem;
        line-height: 1.7;
        border-top: 1px solid var(--border-card);
        padding-top: 12px;
        display: none;
    }
    .faq-item .faq-answer.show {
        display: block;
    }

    /* ========================================
       CTA 板块
    ======================================== */
    .section-cta {
        padding: 80px 0;
        background: var(--primary-dark);
        position: relative;
        overflow: hidden;
    }
    .section-cta::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.12;
        z-index: 0;
    }
    .section-cta .container-custom {
        position: relative;
        z-index: 1;
        text-align: center;
    }
    .section-cta h2 {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--text-white);
        margin-bottom: 0.8rem;
        text-shadow: 0 4px 20px rgba(0, 0, 0, 0.30);
    }
    .section-cta p {
        color: rgba(240, 242, 248, 0.7);
        font-size: 1.1rem;
        max-width: 600px;
        margin: 0 auto 2rem;
    }
    .section-cta .btn-cta-primary {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: linear-gradient(135deg, var(--accent), var(--accent-light));
        color: var(--primary-dark) !important;
        font-weight: 700;
        padding: 0.9rem 2.8rem;
        border-radius: 50px;
        font-size: 1.05rem;
        box-shadow: 0 8px 32px var(--accent-glow);
        transition: transform var(--transition), box-shadow var(--transition);
        border: none;
    }
    .section-cta .btn-cta-primary:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 48px rgba(212, 164, 58, 0.45);
    }
    .section-cta .btn-cta-secondary {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: transparent;
        color: var(--text-white) !important;
        font-weight: 600;
        padding: 0.9rem 2.8rem;
        border-radius: 50px;
        font-size: 1.05rem;
        border: 2px solid rgba(255, 255, 255, 0.25);
        transition: border-color var(--transition), background var(--transition);
        margin-left: 12px;
    }
    .section-cta .btn-cta-secondary:hover {
        border-color: var(--accent);
        background: rgba(212, 164, 58, 0.10);
    }
    @media (max-width: 520px) {
        .section-cta h2 {
            font-size: 1.6rem;
        }
        .section-cta .btn-cta-primary,
        .section-cta .btn-cta-secondary {
            width: 100%;
            justify-content: center;
            margin-left: 0;
            margin-top: 0.5rem;
        }
    }

    /* ========================================
       页脚
    ======================================== */
    .footer {
        background: var(--bg-dark);
        color: rgba(240, 242, 248, 0.7);
        padding: 60px 0 30px;
        border-top: 1px solid var(--border-light);
    }
    .footer .footer-brand {
        font-size: 1.4rem;
        font-weight: 800;
        color: var(--text-white);
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 0.8rem;
    }
    .footer .footer-brand i {
        color: var(--accent);
    }
    .footer .footer-desc {
        font-size: 0.9rem;
        color: rgba(240, 242, 248, 0.55);
        max-width: 360px;
        line-height: 1.7;
        margin-bottom: 1.2rem;
    }
    .footer .footer-social {
        display: flex;
        gap: 12px;
    }
    .footer .footer-social a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: rgba(255, 255, 255, 0.06);
        border-radius: 50%;
        color: rgba(240, 242, 248, 0.6);
        font-size: 1.1rem;
        transition: background var(--transition), color var(--transition), transform var(--transition);
    }
    .footer .footer-social a:hover {
        background: var(--accent);
        color: var(--primary-dark);
        transform: translateY(-3px);
    }
    .footer .footer-heading {
        font-size: 1rem;
        font-weight: 700;
        color: var(--text-white);
        margin-bottom: 1rem;
        position: relative;
        padding-bottom: 0.5rem;
    }
    .footer .footer-heading::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 28px;
        height: 3px;
        background: var(--accent);
        border-radius: 4px;
    }
    .footer .footer-links {
        display: flex;
        flex-direction: column;
        gap: 0.6rem;
    }
    .footer .footer-links a {
        color: rgba(240, 242, 248, 0.55);
        font-size: 0.9rem;
        transition: color var(--transition), padding-left var(--transition);
    }
    .footer .footer-links a:hover {
        color: var(--accent);
        padding-left: 4px;
    }
    .footer .footer-links a i {
        color: var(--accent);
        width: 20px;
        text-align: center;
    }
    .footer .footer-bottom {
        margin-top: 2rem;
        padding-top: 1.5rem;
        border-top: 1px solid var(--border-light);
        text-align: center;
        font-size: 0.85rem;
        color: rgba(240, 242, 248, 0.4);
    }
    .footer .footer-bottom a {
        color: var(--accent-light);
    }
    .footer .footer-bottom a:hover {
        color: var(--accent);
        text-decoration: underline;
    }
    @media (max-width: 768px) {
        .footer .footer-desc {
            max-width: 100%;
        }
        .footer .footer-col {
            margin-bottom: 1.5rem;
        }
        .footer .footer-bottom {
            font-size: 0.75rem;
        }
    }

    /* ========================================
       辅助工具类
    ======================================== */
    .text-accent {
        color: var(--accent) !important;
    }
    .bg-accent-soft {
        background: rgba(212, 164, 58, 0.08);
    }
    .mt-section {
        margin-top: 0;
    }
    .mb-section {
        margin-bottom: 0;
    }
    .btn-outline-accent {
        border: 2px solid var(--accent);
        color: var(--accent);
        background: transparent;
        border-radius: 50px;
        padding: 0.5rem 1.8rem;
        font-weight: 600;
        transition: background var(--transition), color var(--transition), transform var(--transition);
    }
    .btn-outline-accent:hover {
        background: var(--accent);
        color: var(--primary-dark);
        transform: translateY(-2px);
    }

    /* ========================================
       滚动条美化
    ======================================== */
    ::-webkit-scrollbar {
        width: 6px;
        height: 6px;
    }
    ::-webkit-scrollbar-track {
        background: var(--bg-main);
    }
    ::-webkit-scrollbar-thumb {
        background: var(--primary-light);
        border-radius: 8px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: var(--accent);
    }

    /* ========================================
       打印样式
    ======================================== */
    @media print {
        .navbar-glass,
        .section-cta,
        .footer {
            display: none !important;
        }
        .article-hero {
            padding: 40px 0 20px;
            background: #fff !important;
            color: #333 !important;
        }
        .article-hero h1 {
            color: #333 !important;
            text-shadow: none;
        }
        .article-content-wrap {
            box-shadow: none;
            border: 1px solid #ddd;
        }
    }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a45;
            --accent: #f5a623;
            --accent-light: #f7c35a;
            --accent-dark: #d48e1a;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-light: #636e72;
            --text-white: #ffffff;
            --bg-white: #ffffff;
            --bg-light: #f8f9fc;
            --bg-dark: #0f1a45;
            --bg-gradient: linear-gradient(135deg, #1a2a6c 0%, #2d4a8e 50%, #1a2a6c 100%);
            --border-color: #e0e4ec;
            --border-light: #f0f2f7;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 42, 108, 0.10);
            --shadow-lg: 0 20px 60px rgba(26, 42, 108, 0.15);
            --shadow-hover: 0 12px 40px rgba(26, 42, 108, 0.18);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-white);
            line-height: 1.7;
            font-size: 1rem;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding-left: 0;
        }

        /* ===== 容器 ===== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .navbar-glass {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 4px 30px rgba(26, 42, 108, 0.06);
            padding: 12px 0;
            transition: var(--transition);
        }
        .navbar-glass.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 4px 40px rgba(26, 42, 108, 0.12);
            border-bottom: 1px solid var(--border-color);
        }
        .navbar-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
        }
        .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--bg-gradient);
            color: #fff;
            border-radius: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(26, 42, 108, 0.25);
        }
        .navbar-brand:hover {
            color: var(--primary-dark) !important;
            transform: scale(1.02);
        }
        .navbar .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body) !important;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .navbar .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(26, 42, 108, 0.05);
        }
        .navbar .nav-link.active {
            color: var(--primary) !important;
            font-weight: 600;
            background: rgba(26, 42, 108, 0.08);
        }
        .navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .btn-nav-cta {
            background: var(--bg-gradient);
            color: #fff !important;
            border: none;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(26, 42, 108, 0.25);
            letter-spacing: 0.3px;
        }
        .btn-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 42, 108, 0.35);
            color: #fff !important;
            background: var(--primary-dark);
        }
        .navbar-toggler {
            border: none;
            color: var(--primary);
            font-size: 1.4rem;
            padding: 4px 8px;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
        }
        @media (max-width: 991.98px) {
            .navbar-glass {
                background: rgba(255, 255, 255, 0.98);
            }
            .navbar .nav-link.active::after {
                display: none;
            }
            .navbar .nav-link {
                padding: 12px 16px !important;
                border-radius: 0;
                border-bottom: 1px solid var(--border-light);
            }
            .navbar .nav-link:last-child {
                border-bottom: none;
            }
            .btn-nav-cta {
                width: 100%;
                text-align: center;
                margin-top: 8px;
            }
            .navbar-collapse {
                max-height: 80vh;
                overflow-y: auto;
                padding: 8px 0;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            background: var(--bg-gradient);
            overflow: hidden;
            padding: 140px 0 100px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-white), transparent);
        }
        .hero-particles {
            position: absolute;
            inset: 0;
            overflow: hidden;
            pointer-events: none;
        }
        .hero-particles span {
            position: absolute;
            width: 6px;
            height: 6px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            animation: floatUp 8s infinite ease-in-out;
        }
        .hero-particles span:nth-child(1) {
            left: 10%;
            bottom: 20%;
            animation-delay: 0s;
            width: 8px;
            height: 8px;
        }
        .hero-particles span:nth-child(2) {
            left: 25%;
            bottom: 40%;
            animation-delay: 1.5s;
            width: 5px;
            height: 5px;
        }
        .hero-particles span:nth-child(3) {
            left: 45%;
            bottom: 10%;
            animation-delay: 3s;
            width: 10px;
            height: 10px;
        }
        .hero-particles span:nth-child(4) {
            left: 65%;
            bottom: 50%;
            animation-delay: 2s;
            width: 6px;
            height: 6px;
        }
        .hero-particles span:nth-child(5) {
            left: 80%;
            bottom: 30%;
            animation-delay: 4s;
            width: 7px;
            height: 7px;
        }
        .hero-particles span:nth-child(6) {
            left: 90%;
            bottom: 60%;
            animation-delay: 5.5s;
            width: 5px;
            height: 5px;
        }
        @keyframes floatUp {
            0% {
                transform: translateY(0) scale(1);
                opacity: 0.3;
            }
            50% {
                transform: translateY(-60px) scale(1.4);
                opacity: 0.8;
            }
            100% {
                transform: translateY(-120px) scale(0.6);
                opacity: 0;
            }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 860px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.8;
            text-shadow: 0 1px 10px rgba(0, 0, 0, 0.1);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-hero-primary {
            background: var(--accent);
            color: var(--primary-dark) !important;
            border: none;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(245, 166, 35, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 44px rgba(245, 166, 35, 0.5);
            background: var(--accent-light);
            color: var(--primary-dark) !important;
        }
        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff !important;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff !important;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 50px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 110px 0 70px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                max-width: 320px;
                justify-content: center;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-item .num {
                font-size: 1.5rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 90px 0;
        }
        .section-padding-sm {
            padding: 60px 0;
        }
        .section-bg-light {
            background: var(--bg-light);
        }
        .section-bg-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-bg-gradient {
            background: var(--bg-gradient);
            color: var(--text-white);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .section-title .highlight {
            color: var(--accent);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.8;
        }
        .section-title-light {
            color: var(--text-white);
        }
        .section-subtitle-light {
            color: rgba(255, 255, 255, 0.8);
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .card-custom .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(26, 42, 108, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .card-custom:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .card-custom .card-text {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card-custom .card-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card-custom .card-link:hover {
            gap: 10px;
            color: var(--accent-dark);
        }

        /* ===== 卡片特色 variant ===== */
        .card-feature {
            text-align: center;
            padding: 40px 28px;
        }
        .card-feature .icon-wrap {
            margin: 0 auto 20px;
        }
        .card-feature .badge-feature {
            display: inline-block;
            background: rgba(245, 166, 35, 0.12);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
        }

        /* ===== 步骤/流程 ===== */
        .step-item {
            display: flex;
            gap: 24px;
            padding: 28px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            margin-bottom: 20px;
        }
        .step-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(26, 42, 108, 0.2);
        }
        .step-content h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
        }
        @media (max-width: 576px) {
            .step-item {
                flex-direction: column;
                gap: 12px;
                padding: 20px 16px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }

        /* ===== 场景卡片 ===== */
        .scene-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 280px;
            background: var(--bg-dark);
            cursor: pointer;
            transition: var(--transition);
        }
        .scene-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.5;
            transition: var(--transition);
        }
        .scene-card:hover img {
            transform: scale(1.05);
            opacity: 0.35;
        }
        .scene-card .scene-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 26, 69, 0.85), rgba(15, 26, 69, 0.2));
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px 24px;
            transition: var(--transition);
        }
        .scene-card .scene-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 14px;
            border-radius: 50px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .scene-card .scene-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .scene-card .scene-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 0;
        }

        /* ===== 信任/数据 ===== */
        .trust-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .trust-label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .trust-label-light {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== FAQ ===== */
        .accordion-item {
            border: 1px solid var(--border-color) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }
        .accordion-button {
            font-weight: 600;
            color: var(--text-dark);
            background: var(--bg-white);
            padding: 18px 24px;
            font-size: 1rem;
            border: none;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.03);
        }
        .accordion-button::after {
            background-size: 16px;
            transition: var(--transition);
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(26, 42, 108, 0.15);
        }
        .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: var(--bg-gradient);
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-text {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .btn-cta {
            background: var(--accent);
            color: var(--primary-dark) !important;
            border: none;
            padding: 16px 48px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(245, 166, 35, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }
        .btn-cta:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 48px rgba(245, 166, 35, 0.5);
            background: var(--accent-light);
            color: var(--primary-dark) !important;
        }
        @media (max-width: 768px) {
            .cta-title {
                font-size: 1.6rem;
            }
            .btn-cta {
                width: 100%;
                max-width: 320px;
                justify-content: center;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
        }
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            margin-top: 48px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 0;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .footer {
                padding: 40px 0 0;
            }
            .footer-col {
                margin-bottom: 24px;
            }
            .footer-desc {
                max-width: 100%;
            }
            .footer-bottom {
                margin-top: 24px;
            }
        }

        /* ===== 通用辅助 ===== */
        .text-accent {
            color: var(--accent) !important;
        }
        .text-primary-dark {
            color: var(--primary-dark) !important;
        }
        .bg-accent-soft {
            background: rgba(245, 166, 35, 0.08);
        }
        .rounded-xl {
            border-radius: var(--radius-xl);
        }
        .shadow-hover:hover {
            box-shadow: var(--shadow-hover);
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .gap-4 {
            gap: 24px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 576px) {
            .trust-number {
                font-size: 2rem;
            }
            .scene-card {
                height: 200px;
            }
            .card-custom {
                padding: 24px 20px;
            }
        }

        /* ===== 图片封面使用示例 ===== */
        .img-cover-demo {
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .img-cover-demo:hover {
            box-shadow: var(--shadow-md);
            transform: scale(1.01);
        }

        /* ===== 标签分隔线 ===== */
        .divider-accent {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0 auto 20px;
        }
        .divider-accent-left {
            margin: 0 0 20px 0;
        }