/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a1628;
            --primary-light: #132347;
            --primary-mid: #1b3a6b;
            --accent: #d4a84b;
            --accent-hover: #c49a3a;
            --accent-light: #f0e0b8;
            --bg-body: #f4f6fa;
            --bg-card: #ffffff;
            --bg-dark: #0a1628;
            --bg-section-alt: #eef1f7;
            --text-dark: #1a1a2e;
            --text-body: #3d4452;
            --text-light: #7a8290;
            --text-white: #f0f2f5;
            --border-light: #e2e6ed;
            --border-card: #eaeef4;
            --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
            --shadow-md: 0 8px 24px rgba(10, 22, 40, 0.09);
            --shadow-lg: 0 16px 48px rgba(10, 22, 40, 0.13);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.25s ease;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ul,
        ol {
            padding-left: 1.25rem;
        }

        /* ===== 排版 ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-top: 0;
        }

        h1 {
            font-size: 2.6rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: var(--accent-light);
            padding: 0.2rem 1rem;
            border-radius: 50px;
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-size: 2rem;
            margin-bottom: 0.6rem;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 680px;
            margin: 0 auto 2.5rem auto;
            text-align: center;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 导航 ===== */
        .navbar-wrapper {
            padding-top: 18px;
            padding-bottom: 18px;
            background: transparent;
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .navbar-card {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 0.5rem 1.2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: box-shadow var(--transition);
        }

        .navbar-card .navbar-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            padding: 0.3rem 0;
            margin-right: 2rem;
        }
        .navbar-card .navbar-brand i {
            color: var(--accent);
            margin-right: 6px;
        }
        .navbar-card .navbar-brand:hover {
            color: var(--primary-mid);
        }

        .navbar-card .nav-link {
            color: var(--text-body) !important;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
        }
        .navbar-card .nav-link:hover,
        .navbar-card .nav-link:focus {
            color: var(--primary) !important;
            background: rgba(10, 22, 40, 0.04);
        }
        .navbar-card .nav-link.active {
            color: var(--primary) !important;
            background: rgba(212, 168, 75, 0.15);
        }
        .navbar-card .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .navbar-card .btn-accent {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 0.45rem 1.6rem;
            border-radius: 50px;
            border: none;
            transition: all var(--transition);
            font-size: 0.9rem;
        }
        .navbar-card .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(212, 168, 75, 0.35);
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 0.25rem 0.5rem;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 82vh;
            display: flex;
            align-items: center;
            background: var(--primary) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            margin-top: -82px;
            padding-top: 120px;
            padding-bottom: 80px;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 22, 40, 0.88) 30%, rgba(10, 22, 40, 0.50) 80%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: var(--text-white);
            max-width: 720px;
        }
        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }
        .hero-content h1 .highlight {
            color: var(--accent);
        }
        .hero-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2rem;
            line-height: 1.7;
            max-width: 600px;
        }
        .hero-content .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .hero-content .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 0.7rem 2.4rem;
            border-radius: 50px;
            border: none;
            font-size: 1.05rem;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(212, 168, 75, 0.3);
        }
        .hero-content .btn-primary-custom:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(212, 168, 75, 0.45);
        }
        .hero-content .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            padding: 0.7rem 2.2rem;
            border-radius: 50px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .hero-content .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(6px);
            padding: 0.3rem 1.2rem 0.3rem 0.8rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 1.5rem;
        }
        .hero-badge i {
            color: var(--accent);
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 5rem 0;
        }
        .section-bg-alt {
            background: var(--bg-section-alt);
        }
        .section-bg-white {
            background: #fff;
        }
        .section-bg-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-bg-dark h2,
        .section-bg-dark h3,
        .section-bg-dark .section-title {
            color: #fff;
        }
        .section-bg-dark .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 2rem 1.8rem;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--accent-light);
        }
        .card-custom .card-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 1rem;
            display: inline-block;
        }
        .card-custom h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
        .card-custom p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        .card-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .card-cover:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .card-cover .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--bg-section-alt);
        }
        .card-cover .card-body {
            padding: 1.5rem 1.5rem 1.8rem;
        }
        .card-cover .card-body h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
        .card-cover .card-body p {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .card-cover .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 0.15rem 0.8rem;
            border-radius: 50px;
            margin-bottom: 0.6rem;
        }

        /* ===== 徽章 / 标签 ===== */
        .badge-accent {
            background: var(--accent-light);
            color: var(--primary);
            font-weight: 600;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
        }
        .badge-outline {
            border: 1px solid var(--border-light);
            color: var(--text-light);
            background: transparent;
            padding: 0.25rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
        }

        /* ===== 统计数字 ===== */
        .stat-card {
            text-align: center;
            padding: 1.8rem 1rem;
        }
        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 0.3rem;
        }
        .stat-divider {
            width: 40px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0.8rem auto;
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border-light);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content h5 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.25rem;
        }
        .step-content p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 1.2rem 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.2rem 0;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1rem;
            color: var(--text-light);
            transition: transform var(--transition);
        }
        .faq-question[aria-expanded="true"]::after {
            transform: rotate(180deg);
        }
        .faq-answer {
            color: var(--text-light);
            font-size: 0.95rem;
            padding-top: 0.6rem;
            padding-right: 2rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            border-radius: var(--radius-xl);
            padding: 4rem 3rem;
            text-align: center;
            color: #fff;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 22, 40, 0.75);
            border-radius: var(--radius-xl);
            z-index: 1;
        }
        .cta-section>* {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 1.8rem auto;
        }
        .cta-section .btn-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 0.75rem 3rem;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
            transition: all var(--transition);
            box-shadow: 0 4px 24px rgba(212, 168, 75, 0.35);
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(212, 168, 75, 0.5);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 3.5rem 0 2rem;
        }
        .footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer a:hover {
            color: var(--accent);
        }
        .footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.5rem;
            display: inline-block;
        }
        .footer .footer-brand i {
            color: var(--accent);
            margin-right: 6px;
        }
        .footer .footer-desc {
            font-size: 0.9rem;
            max-width: 320px;
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li {
            margin-bottom: 0.4rem;
        }
        .footer .footer-links a {
            font-size: 0.9rem;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            margin-top: 2rem;
            font-size: 0.85rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .footer .footer-bottom a:hover {
            color: var(--accent);
        }

        .footer .social-links a {
            display: inline-flex;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            align-items: center;
            justify-content: center;
            margin-right: 0.5rem;
            transition: all var(--transition);
            font-size: 1.1rem;
        }
        .footer .social-links a:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== CMS 列表 ===== */
        .cms-list-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
        }
        .cms-list-item:last-child {
            border-bottom: none;
        }
        .cms-list-item .cms-thumb {
            width: 100px;
            height: 72px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: var(--bg-section-alt);
            flex-shrink: 0;
        }
        .cms-list-item .cms-info {
            flex: 1;
            min-width: 0;
        }
        .cms-list-item .cms-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            display: block;
            margin-bottom: 0.2rem;
            line-height: 1.4;
            transition: color var(--transition);
        }
        .cms-list-item .cms-title:hover {
            color: var(--accent);
        }
        .cms-list-item .cms-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .cms-list-item .cms-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .cms-list-item .cms-excerpt {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 0.2rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cms-empty {
            text-align: center;
            padding: 2rem 0;
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* ===== 按钮通用 ===== */
        .btn-accent-solid {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 0.6rem 2rem;
            border-radius: 50px;
            border: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-accent-solid:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(212, 168, 75, 0.35);
        }
        .btn-outline-primary-custom {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary-mid);
            padding: 0.6rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .cta-section {
                padding: 3rem 2rem;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 70vh;
                padding-top: 100px;
                padding-bottom: 60px;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .hero-content h1 {
                font-size: 1.9rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            .section-padding {
                padding: 3.5rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 2rem;
            }
            .stat-card .stat-number {
                font-size: 2.2rem;
            }
            .navbar-card {
                padding: 0.4rem 0.8rem;
            }
            .navbar-card .navbar-brand {
                font-size: 1.15rem;
                margin-right: 0;
            }
            .cms-list-item {
                flex-direction: column;
                gap: 0.6rem;
            }
            .cms-list-item .cms-thumb {
                width: 100%;
                height: 140px;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .step-item {
                gap: 1rem;
            }
            .footer .footer-col {
                margin-bottom: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-content .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-content .hero-actions .btn {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .section-padding {
                padding: 2.5rem 0;
            }
            .card-custom {
                padding: 1.5rem 1.2rem;
            }
            .navbar-card .navbar-brand {
                font-size: 1rem;
            }
            .navbar-card .btn-accent {
                padding: 0.35rem 1.2rem;
                font-size: 0.8rem;
            }
            .footer {
                padding: 2.5rem 0 1.5rem;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: 2rem 1.2rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== 工具类 ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-accent-soft {
            background: var(--accent-light);
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .gap-3 {
            gap: 1.5rem;
        }

        /* ===== 卡片网格间距增强 ===== */
        .row.gap-y-3>[class*="col-"] {
            margin-bottom: 1.5rem;
        }

        /* ===== focus 辅助 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 12px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-light);
        }

/* roulang page: article */
/* === 设计变量 === */
        :root {
            --primary: #0f2b4a;
            --primary-light: #1a3f64;
            --accent: #e8a838;
            --accent-hover: #d4962e;
            --accent-light: #fdf3e0;
            --bg-body: #f5f7fa;
            --bg-card: #ffffff;
            --bg-dark: #0a1a2e;
            --text-dark: #1a2332;
            --text-body: #3d4a5c;
            --text-muted: #8a98a9;
            --text-light: #f0f4fa;
            --border-light: #e6eaef;
            --border-accent: #e8a838;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 74, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 43, 74, 0.10);
            --shadow-lg: 0 20px 50px rgba(15, 43, 74, 0.14);
            --spacer-section: 4.5rem;
            --font-base: 1rem;
            --font-lg: 1.125rem;
            --font-xl: 1.35rem;
            --font-2xl: 1.8rem;
            --font-3xl: 2.5rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 78px;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* === 导航卡片化面板 === */
        .navbar-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 0.7rem 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: var(--transition);
        }
        .navbar-card .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .navbar-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0;
        }
        .navbar-brand i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .navbar-brand:hover {
            color: var(--primary) !important;
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--accent);
        }
        .navbar-nav {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            gap: 2px;
        }
        .nav-item .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-item .nav-link i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .nav-item .nav-link:hover {
            background: var(--accent-light);
            color: var(--accent-hover);
        }
        .nav-item .nav-link:hover i {
            color: var(--accent);
        }
        .nav-item .nav-link.active {
            background: var(--primary);
            color: #fff !important;
        }
        .nav-item .nav-link.active i {
            color: #fff !important;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 600;
            padding: 0.5rem 1.4rem;
            border-radius: 50px;
            font-size: 0.9rem;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .btn-accent i {
            font-size: 0.85rem;
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--primary) !important;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 168, 56, 0.35);
        }
        .btn-accent:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        /* === 文章 Banner === */
        .article-banner {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 3.5rem 0 3rem;
            position: relative;
            color: var(--text-light);
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 26, 46, 0.88) 0%, rgba(15, 43, 74, 0.75) 100%);
        }
        .article-banner .container {
            position: relative;
            z-index: 1;
        }
        .article-banner .breadcrumb {
            background: transparent;
            padding: 0;
            margin-bottom: 1rem;
            font-size: 0.85rem;
        }
        .article-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .article-banner .breadcrumb a:hover {
            color: var(--accent);
        }
        .article-banner .breadcrumb .active {
            color: var(--accent);
        }
        .article-banner h1 {
            font-size: var(--font-3xl);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 0.8rem;
            color: #fff;
            max-width: 860px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 0.5rem;
        }
        .article-meta i {
            margin-right: 6px;
            color: var(--accent);
        }
        .article-meta .badge-category {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 0.2rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
        }

        /* === 文章正文 === */
        .article-main {
            padding: var(--spacer-section) 0;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 2.5rem 3rem;
            font-size: var(--font-lg);
            line-height: 1.9;
            color: var(--text-dark);
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--primary);
            font-weight: 700;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        .article-body h2 {
            font-size: 1.6rem;
            border-left: 4px solid var(--accent);
            padding-left: 1rem;
        }
        .article-body h3 {
            font-size: 1.3rem;
        }
        .article-body p {
            margin-bottom: 1.2rem;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }
        .article-body li {
            margin-bottom: 0.4rem;
        }
        .article-body a {
            color: var(--accent-hover);
            text-decoration: underline;
        }
        .article-body a:hover {
            color: var(--primary);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.8rem auto;
            box-shadow: var(--shadow-sm);
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 1.2rem 1.8rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.8rem 0;
            color: var(--text-dark);
            font-style: italic;
        }
        .article-body .highlight-box {
            background: #f0f4fa;
            border-radius: var(--radius-md);
            padding: 1.5rem 2rem;
            margin: 1.8rem 0;
            border: 1px solid var(--border-light);
        }
        .article-body .highlight-box strong {
            color: var(--primary);
        }

        .article-not-found {
            text-align: center;
            padding: 4rem 2rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }
        .article-not-found i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        .article-not-found h2 {
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .article-not-found .btn-back {
            display: inline-block;
            margin-top: 1.5rem;
            background: var(--primary);
            color: #fff;
            padding: 0.6rem 2rem;
            border-radius: 50px;
            font-weight: 500;
        }
        .article-not-found .btn-back:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
        }

        /* === 相关推荐 === */
        .related-section {
            background: var(--bg-card);
            padding: var(--spacer-section) 0;
            border-top: 1px solid var(--border-light);
        }
        .related-section .section-title {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .related-section .section-sub {
            color: var(--text-muted);
            margin-bottom: 2.5rem;
        }
        .related-card {
            background: var(--bg-body);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .related-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .related-card .card-img .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.75rem;
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
        }
        .related-card .card-body {
            padding: 1.2rem 1.4rem 1.4rem;
        }
        .related-card .card-body h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.4rem;
        }
        .related-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0.6rem;
        }
        .related-card .card-body .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .related-card .card-body .meta i {
            margin-right: 4px;
        }

        /* === FAQ 区块 === */
        .faq-section {
            padding: var(--spacer-section) 0;
            background: var(--bg-body);
        }
        .faq-section .section-title {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--primary);
            text-align: center;
            margin-bottom: 0.5rem;
        }
        .faq-section .section-sub {
            text-align: center;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
        }
        .faq-accordion .accordion-item {
            border: none;
            background: var(--bg-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.8rem;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-accordion .accordion-header {
            border: none;
        }
        .faq-accordion .accordion-button {
            background: var(--bg-card);
            color: var(--text-dark);
            font-weight: 600;
            font-size: 1rem;
            padding: 1rem 1.5rem;
            border: none;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--accent-light);
            color: var(--primary);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            transition: var(--transition);
        }
        .faq-accordion .accordion-body {
            padding: 0.2rem 1.5rem 1.2rem;
            color: var(--text-body);
            font-size: 0.95rem;
        }

        /* === CTA 区块 === */
        .cta-section {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 4rem 0;
            position: relative;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 26, 46, 0.88) 0%, rgba(15, 43, 74, 0.78) 100%);
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: var(--font-2xl);
            font-weight: 700;
        }
        .cta-section p {
            font-size: var(--font-lg);
            opacity: 0.9;
            max-width: 600px;
        }
        .cta-section .btn-cta {
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 700;
            padding: 0.8rem 2.5rem;
            border-radius: 50px;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-cta:hover {
            background: #fff;
            color: var(--primary) !important;
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        .cta-section .btn-outline-cta {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff !important;
            font-weight: 600;
            padding: 0.8rem 2.2rem;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-outline-cta:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            color: var(--accent) !important;
            transform: translateY(-3px);
        }

        /* === 页脚 === */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 3.5rem 0 0;
        }
        .footer .footer-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff !important;
            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(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer .social-links 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);
            margin-right: 8px;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .footer .social-links a:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-3px);
        }
        .footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
        }
        .footer .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 0;
            margin-top: 2.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* === 响应式 === */
        @media (max-width: 991px) {
            body {
                padding-top: 68px;
            }
            .navbar-card {
                padding: 0.5rem 0;
            }
            .navbar-card .container {
                position: relative;
            }
            .navbar-card .collapse {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-card);
                padding: 1rem 1.2rem;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                box-shadow: var(--shadow-lg);
                z-index: 1040;
                border-top: 1px solid var(--border-light);
            }
            .navbar-nav {
                flex-direction: column;
                gap: 2px;
                width: 100%;
            }
            .nav-item .nav-link {
                padding: 0.6rem 1rem;
            }
            .article-banner h1 {
                font-size: var(--font-2xl);
            }
            .article-body {
                padding: 1.8rem 1.5rem;
            }
            .related-card .card-img {
                height: 150px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer .footer-col {
                margin-top: 1.5rem;
            }
        }

        @media (max-width: 767px) {
            body {
                padding-top: 62px;
            }
            .navbar-brand {
                font-size: 1.15rem;
            }
            .navbar-brand i {
                font-size: 1.2rem;
            }
            .article-banner {
                padding: 2.2rem 0 2rem;
            }
            .article-banner h1 {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 0.8rem;
                font-size: 0.82rem;
            }
            .article-body {
                padding: 1.2rem 1rem;
                font-size: var(--font-base);
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .related-section .section-title {
                font-size: 1.4rem;
            }
            .faq-section .section-title {
                font-size: 1.4rem;
            }
            .cta-section {
                padding: 2.8rem 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section .btn-cta,
            .cta-section .btn-outline-cta {
                width: 100%;
                justify-content: center;
            }
            .footer {
                padding: 2.5rem 0 0;
            }
            .footer .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .article-banner h1 {
                font-size: 1.3rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.4rem;
            }
            .article-body {
                padding: 1rem 0.8rem;
                font-size: 0.95rem;
            }
            .related-card .card-img {
                height: 130px;
            }
            .related-card .card-body {
                padding: 1rem;
            }
            .navbar-brand {
                font-size: 1rem;
            }
            .btn-accent {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }
        }

        /* === 辅助类 === */
        .text-accent {
            color: var(--accent) !important;
        }
        .bg-accent-soft {
            background: var(--accent-light);
        }
        .rounded-card {
            border-radius: var(--radius-md);
        }
        .shadow-card {
            box-shadow: var(--shadow-sm);
        }
        .transition-base {
            transition: var(--transition);
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #0f1b3d;
            --clr-primary-light: #1a2d5e;
            --clr-accent: #f5b342;
            --clr-accent-hover: #e09e2e;
            --clr-accent-soft: #fef3e0;
            --clr-bg: #f7f8fc;
            --clr-bg-alt: #ffffff;
            --clr-bg-dark: #0b132b;
            --clr-text: #1e1e2a;
            --clr-text-light: #5a6070;
            --clr-text-inverse: #f0f4fa;
            --clr-border: #e0e4ed;
            --clr-card-shadow: 0 8px 28px rgba(15, 27, 61, 0.08);
            --clr-card-shadow-hover: 0 16px 40px rgba(15, 27, 61, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-section: 5rem;
            --spacing-element: 2rem;
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::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-base);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            font-size: 1rem;
        }
        a {
            color: var(--clr-accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--clr-accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 650;
            line-height: 1.3;
            color: var(--clr-primary);
        }
        .container {
            max-width: 1200px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== 导航 ===== */
        .navbar-card {
            background: var(--clr-bg-alt);
            border-bottom: 1px solid var(--clr-border);
            padding: 0.75rem 1.5rem;
            box-shadow: 0 2px 12px rgba(15, 27, 61, 0.04);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            position: relative;
            z-index: 100;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .navbar-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--clr-primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            letter-spacing: 0.01em;
        }
        .navbar-brand i {
            color: var(--clr-accent);
            font-size: 1.5rem;
        }
        .navbar-brand:hover {
            color: var(--clr-primary);
            opacity: 0.92;
        }
        .navbar-toggler {
            background: none;
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.7rem;
            color: var(--clr-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: background var(--transition);
        }
        .navbar-toggler:hover {
            background: var(--clr-bg);
        }
        .navbar-nav {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.25rem;
            margin-bottom: 0;
            padding-left: 0;
        }
        .nav-item .nav-link {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.55rem 1.1rem;
            border-radius: var(--radius-sm);
            color: var(--clr-text-light);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition);
            background: transparent;
            border: none;
        }
        .nav-item .nav-link:hover {
            background: var(--clr-accent-soft);
            color: var(--clr-accent-hover);
            transform: translateY(-1px);
        }
        .nav-item .nav-link.active {
            background: var(--clr-primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(15, 27, 61, 0.2);
        }
        .nav-item .nav-link.active i {
            color: var(--clr-accent);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--clr-accent);
            color: var(--clr-primary);
            font-weight: 600;
            padding: 0.55rem 1.5rem;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: var(--clr-accent-hover);
            color: var(--clr-primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(245, 179, 66, 0.35);
        }
        .btn-accent:focus-visible {
            outline: 2px solid var(--clr-accent);
            outline-offset: 2px;
        }

        /* ===== Hero ===== */
        .hero-category {
            background: linear-gradient(135deg, var(--clr-primary) 0%, #162a5e 60%, #1f3a7a 100%);
            background-image: url('/assets/images/backpic/back-1.png'), linear-gradient(135deg, var(--clr-primary) 0%, #162a5e 60%, #1f3a7a 100%);
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 5rem 0 4.5rem;
            color: var(--clr-text-inverse);
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 19, 43, 0.45);
            z-index: 1;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
        }
        .hero-category h1 {
            font-size: 2.6rem;
            font-weight: 750;
            color: #fff;
            letter-spacing: -0.01em;
            line-height: 1.2;
            max-width: 800px;
            margin-bottom: 1rem;
        }
        .hero-category h1 i {
            color: var(--clr-accent);
            margin-right: 0.35rem;
        }
        .hero-category .lead {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin-bottom: 1.8rem;
            line-height: 1.7;
        }
        .hero-category .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .hero-category .btn-cta {
            background: var(--clr-accent);
            color: var(--clr-primary);
            font-weight: 700;
            padding: 0.8rem 2.2rem;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            border: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .hero-category .btn-cta:hover {
            background: var(--clr-accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(245, 179, 66, 0.3);
        }
        .hero-category .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            background: transparent;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .hero-category .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(245, 179, 66, 0.18);
            color: var(--clr-accent);
            padding: 0.35rem 1.1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.2rem;
            border: 1px solid rgba(245, 179, 66, 0.3);
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: var(--spacing-section) 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--clr-primary);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--clr-text-light);
            max-width: 620px;
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--clr-accent);
            border-radius: 4px;
            margin-bottom: 1.5rem;
        }

        /* ===== 卡片系统 ===== */
        .card-grid {
            display: grid;
            gap: 1.8rem;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        }
        .card-custom {
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            box-shadow: var(--clr-card-shadow);
            border: 1px solid var(--clr-border);
            padding: 1.8rem 1.5rem;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--clr-card-shadow-hover);
            transform: translateY(-6px);
            border-color: var(--clr-accent);
        }
        .card-custom .card-icon {
            width: 56px;
            height: 56px;
            background: var(--clr-accent-soft);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--clr-accent);
            margin-bottom: 1.2rem;
            transition: background var(--transition);
        }
        .card-custom:hover .card-icon {
            background: var(--clr-accent);
            color: var(--clr-primary);
        }
        .card-custom h3 {
            font-size: 1.2rem;
            font-weight: 650;
            margin-bottom: 0.6rem;
            color: var(--clr-primary);
        }
        .card-custom p {
            color: var(--clr-text-light);
            font-size: 0.95rem;
            line-height: 1.6;
            flex: 1;
        }
        .card-custom .card-img-top {
            border-radius: var(--radius-sm);
            margin-bottom: 1.2rem;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            width: 100%;
        }
        .card-custom .badge-tag {
            align-self: flex-start;
            background: var(--clr-accent-soft);
            color: var(--clr-accent-hover);
            padding: 0.2rem 0.9rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 0.8rem;
        }

        /* ===== 场景卡片 ===== */
        .scene-card {
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            box-shadow: var(--clr-card-shadow);
            border: 1px solid var(--clr-border);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .scene-card:hover {
            box-shadow: var(--clr-card-shadow-hover);
            transform: translateY(-5px);
            border-color: var(--clr-accent);
        }
        .scene-card img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-radius: 0;
        }
        .scene-card .scene-body {
            padding: 1.5rem 1.3rem 1.8rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .scene-card .scene-body h4 {
            font-size: 1.1rem;
            font-weight: 650;
            margin-bottom: 0.5rem;
            color: var(--clr-primary);
        }
        .scene-card .scene-body p {
            color: var(--clr-text-light);
            font-size: 0.92rem;
            line-height: 1.6;
            flex: 1;
        }
        .scene-card .scene-body .scene-tag {
            font-size: 0.8rem;
            color: var(--clr-accent-hover);
            font-weight: 500;
            margin-top: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        /* ===== 流程步骤 ===== */
        .step-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.8rem;
            counter-reset: step;
        }
        .step-item {
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            box-shadow: var(--clr-card-shadow);
            border: 1px solid var(--clr-border);
            text-align: center;
            transition: all var(--transition);
            position: relative;
            counter-increment: step;
        }
        .step-item:hover {
            box-shadow: var(--clr-card-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--clr-accent);
        }
        .step-item::before {
            content: counter(step);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--clr-accent);
            color: var(--clr-primary);
            font-weight: 800;
            font-size: 1.1rem;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(245, 179, 66, 0.3);
        }
        .step-item .step-icon {
            font-size: 2rem;
            color: var(--clr-accent);
            margin-bottom: 0.8rem;
            margin-top: 0.4rem;
        }
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 650;
            margin-bottom: 0.4rem;
            color: var(--clr-primary);
        }
        .step-item p {
            color: var(--clr-text-light);
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 0;
        }

        /* ===== 统计数字 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1.5rem;
            text-align: center;
        }
        .stat-item {
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            padding: 1.8rem 1rem;
            box-shadow: var(--clr-card-shadow);
            border: 1px solid var(--clr-border);
            transition: all var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--clr-card-shadow-hover);
        }
        .stat-item .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--clr-primary);
            line-height: 1.2;
        }
        .stat-item .stat-number i {
            color: var(--clr-accent);
            font-size: 1.6rem;
            margin-right: 0.3rem;
        }
        .stat-item .stat-label {
            color: var(--clr-text-light);
            font-size: 0.9rem;
            font-weight: 500;
            margin-top: 0.3rem;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 0.8rem;
            background: var(--clr-bg-alt);
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            color: var(--clr-primary);
            background: var(--clr-bg-alt);
            padding: 1rem 1.4rem;
            font-size: 1rem;
            box-shadow: none;
            border: none;
            transition: background var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--clr-accent-soft);
            color: var(--clr-primary);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--clr-accent);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition);
        }
        .faq-accordion .accordion-body {
            padding: 0.8rem 1.4rem 1.2rem;
            color: var(--clr-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            background: var(--clr-bg-alt);
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--clr-primary) 0%, #1a2d5e 100%);
            padding: 4rem 0;
            color: #fff;
            text-align: center;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 70%;
            height: 200%;
            background: radial-gradient(circle, rgba(245, 179, 66, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .cta-section .btn-cta {
            background: var(--clr-accent);
            color: var(--clr-primary);
            font-weight: 700;
            padding: 0.85rem 2.5rem;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            border: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .cta-section .btn-cta:hover {
            background: var(--clr-accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(245, 179, 66, 0.3);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--clr-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 1.8rem;
            font-size: 0.92rem;
        }
        .footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .footer .footer-brand i {
            color: var(--clr-accent);
        }
        .footer .footer-brand:hover {
            color: var(--clr-accent);
        }
        .footer .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
            line-height: 1.7;
            font-size: 0.9rem;
        }
        .footer .social-links 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;
            margin-right: 0.5rem;
            transition: all var(--transition);
        }
        .footer .social-links a:hover {
            background: var(--clr-accent);
            color: var(--clr-primary);
            transform: translateY(-2px);
        }
        .footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 650;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer .footer-links {
            list-style: none;
            padding-left: 0;
        }
        .footer .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.9rem;
        }
        .footer .footer-links a:hover {
            color: var(--clr-accent);
            padding-left: 3px;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer .footer-bottom a {
            color: var(--clr-accent);
        }
        .footer .footer-bottom a:hover {
            color: #fff;
        }
        .footer-col {
            margin-bottom: 1.5rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            :root {
                --spacing-section: 3.5rem;
            }
            .hero-category {
                padding: 3.5rem 0 3rem;
                min-height: 340px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category .lead {
                font-size: 1.05rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .navbar-card {
                padding: 0.6rem 1rem;
            }
            .navbar-nav {
                margin-top: 0.8rem;
                width: 100%;
                flex-direction: column;
                gap: 0.15rem;
            }
            .nav-item .nav-link {
                padding: 0.5rem 0.8rem;
                font-size: 0.9rem;
            }
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                gap: 1.2rem;
            }
            .step-flow {
                grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
                gap: 1.2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 767px) {
            :root {
                --spacing-section: 2.8rem;
            }
            .hero-category {
                padding: 2.8rem 0 2.5rem;
                min-height: 280px;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-category .lead {
                font-size: 0.95rem;
                margin-bottom: 1.2rem;
            }
            .hero-category .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-category .btn-cta,
            .hero-category .btn-outline-light {
                justify-content: center;
                text-align: center;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .step-flow {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .step-item {
                padding: 1.5rem 1rem;
            }
            .step-item .step-icon {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.8rem;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .scene-card .scene-body {
                padding: 1.2rem 1rem 1.4rem;
            }
            .cta-section {
                padding: 2.8rem 1rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section .btn-cta {
                width: 100%;
                justify-content: center;
            }
            .footer {
                padding: 2.5rem 0 1.2rem;
            }
            .footer .footer-brand {
                font-size: 1.1rem;
            }
            .navbar-brand {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.35rem;
            }
            .step-flow {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }
            .stat-item {
                padding: 1.2rem 0.6rem;
            }
            .stat-item .stat-number {
                font-size: 1.3rem;
            }
            .navbar-card {
                padding: 0.5rem 0.8rem;
            }
            .btn-accent {
                padding: 0.45rem 1rem;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .card-custom {
                padding: 1.3rem 1rem;
            }
            .card-custom .card-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
        }

        /* ===== 辅助 ===== */
        .bg-soft-accent {
            background: var(--clr-accent-soft);
        }
        .text-accent {
            color: var(--clr-accent);
        }
        .gap-section {
            gap: var(--spacing-section);
        }
        .shadow-soft {
            box-shadow: var(--clr-card-shadow);
        }
        .rounded-custom {
            border-radius: var(--radius-md);
        }
        .mt-section {
            margin-top: var(--spacing-section);
        }
        .mb-section {
            margin-bottom: var(--spacing-section);
        }
        .img-cover {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .focus-ring:focus-visible {
            outline: 2px solid var(--clr-accent);
            outline-offset: 2px;
        }