/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1f3d;
            --primary-light: #1a2f5a;
            --primary-dark: #080f24;
            --secondary: #c9a23c;
            --secondary-light: #e0b84c;
            --secondary-dark: #a8852e;
            --accent: #d94a3d;
            --light-bg: #f4f6fa;
            --white: #ffffff;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-muted: #9ca3af;
            --border: #e5e7eb;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 6px 28px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --nav-height: 72px;
            --dock-top: 18px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            margin: 0;
            padding: 0;
            padding-top: calc(var(--nav-height) + var(--dock-top) + 16px);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 浮动 Dock 导航 ===== */
        .navbar-dock {
            position: fixed;
            top: var(--dock-top);
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 40px);
            max-width: 1200px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(24px) saturate(180%);
            -webkit-backdrop-filter: blur(24px) saturate(180%);
            border-radius: var(--radius-lg);
            box-shadow: 0 4px 32px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.6);
            padding: 0 20px;
            z-index: 1050;
            transition: var(--transition);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .navbar-dock .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            padding: 0;
            margin-right: 32px;
            white-space: nowrap;
        }
        .navbar-dock .navbar-brand span {
            color: var(--secondary);
        }
        .navbar-dock .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .navbar-dock .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .navbar-dock .nav-link:hover,
        .navbar-dock .nav-link:focus {
            color: var(--primary);
            background: rgba(15, 31, 61, 0.05);
        }
        .navbar-dock .nav-link.active {
            color: var(--white);
            background: var(--primary);
        }
        .navbar-dock .nav-link.active:hover {
            background: var(--primary-light);
        }
        .navbar-dock .nav-cta {
            background: var(--secondary);
            color: var(--primary-dark) !important;
            font-weight: 600;
            padding: 8px 22px !important;
            border-radius: var(--radius-sm);
            margin-left: 12px;
        }
        .navbar-dock .nav-cta:hover {
            background: var(--secondary-light) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(201, 162, 60, 0.35);
        }
        .navbar-dock .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--primary);
            font-size: 1.4rem;
        }
        .navbar-dock .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--secondary);
        }

        /* 导航右侧 */
        .navbar-dock .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-attachment: fixed;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            overflow: hidden;
            margin: 0 0 20px 0;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 61, 0.82) 0%, rgba(15, 31, 61, 0.40) 100%);
            z-index: 1;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
            max-width: 820px;
            margin: 0 auto;
        }
        .hero-section .hero-badge {
            display: inline-block;
            background: rgba(201, 162, 60, 0.18);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(201, 162, 60, 0.30);
            color: var(--secondary-light);
            font-size: 0.85rem;
            font-weight: 500;
            padding: 6px 20px;
            border-radius: 30px;
            letter-spacing: 0.02em;
            margin-bottom: 24px;
        }
        .hero-section h1 {
            font-size: 3.6rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.20);
        }
        .hero-section h1 span {
            color: var(--secondary-light);
        }
        .hero-section .hero-sub {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.7;
            font-weight: 400;
        }
        .hero-section .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-section .btn-hero-primary {
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 38px;
            border-radius: 50px;
            border: none;
            box-shadow: 0 6px 24px rgba(201, 162, 60, 0.35);
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-section .btn-hero-primary:hover {
            background: var(--secondary-light);
            transform: translateY(-3px);
            box-shadow: 0 10px 34px rgba(201, 162, 60, 0.45);
            color: var(--primary-dark);
        }
        .hero-section .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border: 1.5px solid rgba(255, 255, 255, 0.30);
            color: var(--white);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 14px 34px;
            border-radius: 50px;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-section .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.50);
            transform: translateY(-3px);
            color: var(--white);
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            text-align: center;
            max-width: 620px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--secondary);
            border-radius: 4px;
            margin: 0 auto 48px;
        }
        .bg-light-section {
            background: var(--light-bg);
        }
        .bg-dark-section {
            background: var(--primary);
            color: var(--white);
        }
        .bg-dark-section .section-title {
            color: var(--white);
        }
        .bg-dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .bg-dark-section .section-divider {
            background: var(--secondary-light);
        }

        /* ===== 特色卡片 ===== */
        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 36px 28px 32px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
            height: 100%;
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 162, 60, 0.25);
        }
        .feature-card .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin: 0 auto 20px;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            transform: scale(1.05);
        }
        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .feature-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 分类卡片 ===== */
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            background: var(--white);
            border: 1px solid var(--border);
            height: 100%;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card .card-img {
            height: 200px;
            background: var(--light-bg);
            overflow: hidden;
            position: relative;
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover .card-img img {
            transform: scale(1.05);
        }
        .category-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 31, 61, 0.50) 0%, transparent 60%);
            z-index: 1;
        }
        .category-card .card-body {
            padding: 24px 22px 26px;
            text-align: center;
        }
        .category-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .category-card .card-body p {
            color: var(--text-light);
            font-size: 0.92rem;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .category-card .card-body .tag {
            display: inline-block;
            background: rgba(201, 162, 60, 0.12);
            color: var(--secondary-dark);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 20px;
        }

        /* ===== 资讯卡片 ===== */
        .news-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .news-card .news-img {
            height: 180px;
            overflow: hidden;
            background: var(--light-bg);
            position: relative;
        }
        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .news-card:hover .news-img img {
            transform: scale(1.05);
        }
        .news-card .news-img .news-cat-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--secondary);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            z-index: 2;
        }
        .news-card .news-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-body h3 {
            font-size: 1.08rem;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-body .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
        }
        .news-card .news-body .news-meta i {
            margin-right: 4px;
        }
        .news-card .news-body .news-meta .cat {
            background: rgba(15, 31, 61, 0.06);
            padding: 2px 12px;
            border-radius: 12px;
            color: var(--primary);
        }

        /* ===== 数据统计 ===== */
        .stat-item {
            text-align: center;
            padding: 20px 12px;
        }
        .stat-item .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--secondary-light);
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.80);
            font-weight: 400;
        }
        .stat-item .stat-icon {
            font-size: 2.2rem;
            color: rgba(255, 255, 255, 0.20);
            margin-bottom: 12px;
        }

        /* ===== 流程步骤 ===== */
        .step-card {
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }
        .step-card .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--secondary);
            color: var(--primary-dark);
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            position: relative;
            z-index: 2;
        }
        .step-card h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .step-connector {
            display: none;
        }
        @media (min-width: 768px) {
            .step-connector {
                display: block;
                position: absolute;
                top: 44px;
                right: -30px;
                width: 60px;
                height: 2px;
                background: var(--border);
                z-index: 1;
            }
            .step-connector::after {
                content: '\f138';
                font-family: 'bootstrap-icons';
                position: absolute;
                right: -4px;
                top: -8px;
                color: var(--secondary);
                font-size: 1.1rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 0;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(201, 162, 60, 0.25);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--primary);
            font-size: 1.02rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-question:hover {
            background: rgba(15, 31, 61, 0.02);
        }
        .faq-item .faq-question i {
            color: var(--secondary);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta {
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.1rem;
            padding: 16px 44px;
            border-radius: 50px;
            border: none;
            box-shadow: 0 6px 24px rgba(201, 162, 60, 0.30);
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-cta:hover {
            background: var(--secondary-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 38px rgba(201, 162, 60, 0.40);
            color: var(--primary-dark);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.70);
            padding: 48px 0 28px;
        }
        .footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
        }
        .footer .footer-brand span {
            color: var(--secondary-light);
        }
        .footer p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            justify-content: center;
            margin-top: 16px;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.60);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer .footer-links a:hover {
            color: var(--secondary-light);
        }
        .footer .footer-divider {
            border-color: rgba(255, 255, 255, 0.08);
            margin: 24px 0 20px;
        }
        .footer .footer-bottom {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.40);
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .navbar-dock {
                width: calc(100% - 24px);
                padding: 0 14px;
                height: 64px;
                top: 12px;
                border-radius: var(--radius);
            }
            body {
                padding-top: calc(64px + 24px);
            }
            .navbar-dock .navbar-brand {
                font-size: 1.15rem;
                margin-right: 16px;
            }
            .navbar-dock .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(24px);
                border-radius: var(--radius);
                padding: 12px 16px;
                box-shadow: var(--shadow-lg);
                margin-top: 10px;
                max-height: 70vh;
                overflow-y: auto;
            }
            .navbar-dock .navbar-nav {
                gap: 2px;
                width: 100%;
            }
            .navbar-dock .nav-link {
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .navbar-dock .nav-cta {
                margin-left: 0;
                margin-top: 6px;
                text-align: center;
            }
            .navbar-dock .nav-right {
                gap: 8px;
            }

            .hero-section {
                min-height: 70vh;
                border-radius: 0 0 var(--radius) var(--radius);
                background-attachment: scroll;
            }
            .hero-section h1 {
                font-size: 2.4rem;
            }
            .hero-section .hero-sub {
                font-size: 1.05rem;
            }

            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 32px;
            }
            .section-divider {
                margin-bottom: 32px;
            }

            .stat-item .stat-number {
                font-size: 2.4rem;
            }
            .cta-section {
                padding: 40px 24px;
                border-radius: var(--radius);
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 767.98px) {
            body {
                padding-top: calc(60px + 16px);
            }
            .navbar-dock {
                height: 58px;
                top: 10px;
                width: calc(100% - 16px);
                padding: 0 10px;
                border-radius: 12px;
            }
            .navbar-dock .navbar-brand {
                font-size: 1.05rem;
                margin-right: 8px;
            }
            .navbar-dock .nav-right .nav-cta {
                display: none;
            }
            .navbar-dock .navbar-toggler {
                font-size: 1.2rem;
                padding: 4px 8px;
            }

            .hero-section {
                min-height: 60vh;
                border-radius: 0 0 12px 12px;
                margin-bottom: 12px;
            }
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .hero-section .hero-sub {
                font-size: 0.95rem;
                margin-bottom: 24px;
            }
            .hero-section .hero-badge {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
            .hero-section .hero-actions {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            .hero-section .btn-hero-primary,
            .hero-section .btn-hero-secondary {
                width: 100%;
                max-width: 280px;
                justify-content: center;
                font-size: 0.95rem;
                padding: 12px 28px;
            }

            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.92rem;
                margin-bottom: 24px;
            }
            .section-divider {
                width: 40px;
                height: 3px;
                margin-bottom: 24px;
            }

            .feature-card {
                padding: 24px 18px 22px;
            }
            .feature-card .feature-icon {
                width: 52px;
                height: 52px;
                font-size: 1.4rem;
            }
            .feature-card h3 {
                font-size: 1.1rem;
            }

            .category-card .card-img {
                height: 150px;
            }
            .category-card .card-body {
                padding: 18px 16px 20px;
            }

            .news-card .news-img {
                height: 140px;
            }
            .news-card .news-body {
                padding: 16px 18px 20px;
            }
            .news-card .news-body h3 {
                font-size: 1rem;
            }

            .stat-item .stat-number {
                font-size: 2rem;
            }
            .stat-item .stat-label {
                font-size: 0.9rem;
            }

            .step-card {
                padding: 16px 8px;
            }
            .step-card .step-number {
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }

            .faq-item .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.9rem;
            }

            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-cta {
                font-size: 0.95rem;
                padding: 14px 32px;
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }

            .footer {
                padding: 32px 0 20px;
            }
            .footer .footer-brand {
                font-size: 1.15rem;
            }
            .footer .footer-links {
                gap: 8px 18px;
            }
        }

        @media (max-width: 480px) {
            .hero-section h1 {
                font-size: 1.5rem;
            }
            .hero-section .hero-sub {
                font-size: 0.88rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-dock .navbar-brand {
                font-size: 0.95rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-gold {
            color: var(--secondary);
        }
        .text-gold-light {
            color: var(--secondary-light);
        }
        .bg-gold {
            background: var(--secondary);
        }
        .rounded-12 {
            border-radius: var(--radius);
        }
        .shadow-soft {
            box-shadow: var(--shadow);
        }
        .mt-n1 {
            margin-top: -0.25rem;
        }

        /* 空状态 */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--light-bg);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        .empty-state i {
            font-size: 2.4rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: block;
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 7px;
            height: 7px;
        }
        ::-webkit-scrollbar-track {
            background: var(--light-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--text-muted);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-light);
        }

        /* ===== 选择高亮 ===== */
        ::selection {
            background: rgba(201, 162, 60, 0.30);
            color: var(--primary-dark);
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1b4a;
            --accent: #e8b830;
            --accent-light: #f0d060;
            --accent-dark: #c9a020;
            --bg-light: #f8f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f1b4a;
            --text-dark: #1a1a2e;
            --text-body: #3a3a4e;
            --text-muted: #7a7a8e;
            --text-light: #f0f0f8;
            --border-color: #e2e5f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --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, 0.14);
            --shadow-accent: 0 8px 30px rgba(232, 184, 48, 0.30);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== 浮动 Dock 导航 ===== */
        .navbar-dock {
            position: fixed;
            top: 1.25rem;
            left: 50%;
            transform: translateX(-50%);
            width: auto;
            min-width: 320px;
            max-width: 92%;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-radius: var(--radius-xl);
            padding: 0.5rem 1.2rem;
            box-shadow: 0 4px 30px rgba(26, 42, 108, 0.10), 0 1px 2px rgba(26, 42, 108, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.6);
            z-index: 1050;
            display: flex;
            align-items: center;
            flex-wrap: nowrap;
            transition: var(--transition);
        }
        .navbar-dock .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary-dark);
            letter-spacing: -0.01em;
            padding: 0.25rem 0;
            margin-right: 1.5rem;
            white-space: nowrap;
        }
        .navbar-dock .navbar-brand span {
            color: var(--accent);
        }
        .navbar-dock .navbar-brand:hover {
            color: var(--primary-dark);
        }
        .navbar-dock .navbar-collapse {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex: 1;
        }
        .navbar-dock .navbar-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }
        .navbar-dock .nav-item {
            list-style: none;
        }
        .navbar-dock .nav-link {
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-body);
            padding: 0.45rem 1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-dock .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.05);
        }
        .navbar-dock .nav-link.active {
            color: var(--primary-dark);
            background: rgba(26, 42, 108, 0.08);
            font-weight: 600;
        }
        .navbar-dock .nav-right {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-left: 1rem;
        }
        .navbar-dock .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 0.45rem 1.2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: var(--transition);
            box-shadow: 0 2px 12px rgba(26, 42, 108, 0.20);
        }
        .navbar-dock .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(26, 42, 108, 0.28);
            color: #fff !important;
        }
        .navbar-dock .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 1.6rem;
            color: var(--primary-dark);
            padding: 0.2rem 0.5rem;
            cursor: pointer;
        }
        .navbar-dock .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
        }
        @media (max-width: 991.98px) {
            .navbar-dock {
                top: 0.75rem;
                padding: 0.4rem 1rem;
                min-width: unset;
                width: 94%;
                flex-wrap: wrap;
            }
            .navbar-dock .navbar-collapse {
                flex-basis: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 0.75rem;
                padding-bottom: 0.5rem;
            }
            .navbar-dock .navbar-nav {
                flex-direction: column;
                gap: 0.15rem;
                width: 100%;
            }
            .navbar-dock .nav-link {
                padding: 0.55rem 1rem;
                border-radius: var(--radius-sm);
            }
            .navbar-dock .nav-right {
                margin-left: 0;
                margin-top: 0.5rem;
                justify-content: center;
                width: 100%;
            }
            .navbar-dock .nav-cta {
                width: 100%;
                justify-content: center;
                padding: 0.6rem 1rem;
            }
        }
        @media (max-width: 520px) {
            .navbar-dock {
                top: 0.5rem;
                width: 96%;
                padding: 0.3rem 0.8rem;
            }
            .navbar-dock .navbar-brand {
                font-size: 1.1rem;
                margin-right: 0.8rem;
            }
        }

        /* ===== Banner ===== */
        .banner-inner {
            position: relative;
            padding: 8rem 0 4rem;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .banner-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .banner-inner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(232, 184, 48, 0.10) 0%, transparent 60%);
            z-index: 1;
        }
        .banner-inner .container {
            position: relative;
            z-index: 2;
        }
        .banner-inner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        .banner-inner h1 span {
            color: var(--accent);
        }
        .banner-inner .lead {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 0;
            font-weight: 400;
        }
        .banner-inner .breadcrumb-custom {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            margin-bottom: 0.75rem;
        }
        .banner-inner .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(255, 255, 255, 0.25);
        }
        .banner-inner .breadcrumb-custom a:hover {
            color: #fff;
            text-decoration-color: var(--accent);
        }
        .banner-inner .breadcrumb-custom .sep {
            margin: 0 0.4rem;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .banner-inner {
                padding: 6.5rem 0 3rem;
                min-height: 240px;
            }
            .banner-inner h1 {
                font-size: 2rem;
            }
            .banner-inner .lead {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .banner-inner {
                padding: 5.5rem 0 2.5rem;
            }
            .banner-inner h1 {
                font-size: 1.6rem;
            }
            .banner-inner .lead {
                font-size: 0.9rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 5rem 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 2.5rem;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0.75rem 0 1.5rem;
        }
        .section-divider-center {
            margin-left: auto;
            margin-right: auto;
        }
        .bg-white {
            background: var(--bg-white);
        }
        .bg-light-custom {
            background: var(--bg-light);
        }
        .bg-dark-custom {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .bg-dark-custom .section-title {
            color: #fff;
        }
        .bg-dark-custom .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.5rem;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .card-custom .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(26, 42, 108, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 1.2rem;
            transition: var(--transition);
        }
        .card-custom:hover .card-icon {
            background: var(--primary);
            color: #fff;
        }
        .card-custom h5 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.6rem;
        }
        .card-custom p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .card-custom .badge-tag {
            display: inline-block;
            background: rgba(232, 184, 48, 0.15);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            margin-bottom: 0.75rem;
        }

        /* ===== 封面图卡片 ===== */
        .card-cover {
            border: none;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            background: var(--bg-white);
            height: 100%;
        }
        .card-cover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-cover .cover-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .card-cover:hover .cover-img {
            transform: scale(1.03);
        }
        .card-cover .card-body {
            padding: 1.3rem 1.3rem 1.5rem;
        }
        .card-cover .card-body h5 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
        .card-cover .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .card-cover .card-tag {
            font-size: 0.75rem;
            color: var(--primary-light);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 0.4rem;
        }

        /* ===== 统计数字 ===== */
        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-top: 0.3rem;
        }
        .stat-item .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 0.5rem;
        }
        .bg-dark-custom .stat-item .stat-number {
            color: var(--accent);
        }
        .bg-dark-custom .stat-item .stat-label {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 步骤流程 ===== */
        .step-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.5rem 1.2rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            margin-bottom: 1rem;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .step-item .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-item .step-content h5 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.25rem;
        }
        .step-item .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: var(--bg-white);
            overflow: hidden;
            transition: var(--transition);
            margin-bottom: 0.75rem;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            font-family: var(--font-sans);
        }
        .faq-item .faq-question:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .faq-item .faq-question i {
            font-size: 1.2rem;
            color: var(--primary-light);
            transition: var(--transition);
        }
        .faq-item .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .btn-cta {
            background: var(--accent);
            color: var(--primary-dark) !important;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 0.85rem 2.5rem;
            border-radius: 50px;
            border: none;
            box-shadow: var(--shadow-accent);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(232, 184, 48, 0.40);
        }
        .btn-outline-cta {
            background: transparent;
            color: #fff !important;
            border: 2px solid rgba(255, 255, 255, 0.4);
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-outline-cta:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 2rem;
        }
        .footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.4rem;
        }
        .footer .footer-brand span {
            color: var(--accent);
        }
        .footer p {
            font-size: 0.95rem;
            margin-bottom: 1.2rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.5rem 1.5rem;
            margin-bottom: 1.2rem;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .footer .footer-links a:hover {
            color: var(--accent);
        }
        .footer .footer-divider {
            border: none;
            height: 1px;
            background: rgba(255, 255, 255, 0.10);
            margin: 1.2rem 0;
        }
        .footer .footer-bottom {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 2rem;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn-cta {
                padding: 0.7rem 1.8rem;
                font-size: 0.95rem;
            }
            .step-item {
                flex-direction: column;
                gap: 0.8rem;
                padding: 1.2rem;
            }
            .step-item .step-num {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .section-padding {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .banner-inner h1 {
                font-size: 1.4rem;
            }
            .card-custom {
                padding: 1.3rem 1rem;
            }
            .card-cover .cover-img {
                height: 160px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .faq-item .faq-question {
                font-size: 0.9rem;
                padding: 1rem 1.2rem;
            }
            .faq-item .faq-answer {
                padding: 0 1.2rem 1rem;
                font-size: 0.88rem;
            }
            .footer .footer-links {
                gap: 0.3rem 1rem;
            }
            .footer .footer-brand {
                font-size: 1.2rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-accent {
            color: var(--accent);
        }
        .text-primary-dark {
            color: var(--primary-dark);
        }
        .gap-y-1 {
            row-gap: 1rem;
        }
        .gap-y-2 {
            row-gap: 1.5rem;
        }
        .gap-y-3 {
            row-gap: 2rem;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }

        /* 按钮通用 */
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            font-weight: 600;
            padding: 0.65rem 1.8rem;
            border-radius: 50px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 16px rgba(26, 42, 108, 0.18);
        }
        .btn-primary-custom:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 42, 108, 0.26);
            color: #fff;
        }
        .btn-outline-primary-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            font-weight: 600;
            padding: 0.6rem 1.6rem;
            border-radius: 50px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a45;
            --secondary: #e8a838;
            --secondary-light: #f0c060;
            --secondary-dark: #c88a20;
            --accent: #e85d3a;
            --bg-light: #f7f8fc;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #3d3d5c;
            --text-muted: #8a8aaa;
            --text-light: #b0b0cc;
            --border-color: #e6e8f0;
            --border-light: #f0f2f8;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 42, 108, 0.08);
            --shadow-lg: 0 20px 60px rgba(26, 42, 108, 0.12);
            --shadow-hover: 0 16px 48px rgba(26, 42, 108, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        hr {
            border: 0;
            height: 1px;
            background: var(--border-color);
            margin: 2rem 0;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 浮动 Dock 导航 ===== */
        .navbar-dock {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            width: calc(100% - 48px);
            max-width: 880px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-radius: var(--radius-xl);
            padding: 0 8px;
            box-shadow: 0 4px 24px rgba(26, 42, 108, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 60px;
            transition: var(--transition);
        }

        .navbar-dock .navbar-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            padding: 8px 16px;
            display: flex;
            align-items: center;
            gap: 2px;
            white-space: nowrap;
        }
        .navbar-dock .navbar-brand span {
            color: var(--secondary);
            font-weight: 600;
        }
        .navbar-dock .navbar-brand:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }

        .navbar-dock .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 1.6rem;
            color: var(--primary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-dock .navbar-toggler:hover {
            background: var(--border-light);
        }

        .navbar-dock .navbar-collapse {
            display: flex;
            align-items: center;
            flex-grow: 0;
        }

        .navbar-dock .navbar-nav {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }

        .navbar-dock .nav-item {
            margin: 0;
        }

        .navbar-dock .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            padding: 8px 18px;
            border-radius: var(--radius-lg);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .navbar-dock .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.06);
        }
        .navbar-dock .nav-link.active {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.08);
            font-weight: 600;
        }
        .navbar-dock .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--secondary);
        }

        .navbar-dock .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 12px;
        }

        .navbar-dock .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 22px !important;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 12px rgba(26, 42, 108, 0.20);
            transition: var(--transition);
        }
        .navbar-dock .nav-cta i {
            font-size: 1.1rem;
        }
        .navbar-dock .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 42, 108, 0.30);
            color: #fff !important;
        }

        /* 导航移动端 */
        @media (max-width: 991.98px) {
            .navbar-dock {
                top: 12px;
                width: calc(100% - 24px);
                padding: 0 4px;
                min-height: 56px;
                border-radius: var(--radius-lg);
            }
            .navbar-dock .navbar-brand {
                font-size: 1.15rem;
                padding: 6px 12px;
            }
            .navbar-dock .navbar-collapse {
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                border-radius: var(--radius-md);
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border-color);
                flex-direction: column;
                align-items: stretch;
            }
            .navbar-dock .navbar-nav {
                flex-direction: column;
                width: 100%;
                gap: 2px;
            }
            .navbar-dock .nav-link {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .navbar-dock .nav-link.active::after {
                display: none;
            }
            .navbar-dock .nav-right {
                margin-left: 0;
                margin-top: 12px;
                width: 100%;
                justify-content: stretch;
            }
            .navbar-dock .nav-cta {
                justify-content: center;
                width: 100%;
                padding: 12px !important;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-dock {
                top: 8px;
                width: calc(100% - 16px);
                min-height: 50px;
                border-radius: var(--radius-md);
                padding: 0 2px;
            }
            .navbar-dock .navbar-brand {
                font-size: 1rem;
                padding: 4px 10px;
            }
            .navbar-dock .navbar-toggler {
                font-size: 1.3rem;
                padding: 4px 8px;
            }
        }

        /* ===== Page Header / Banner ===== */
        .page-banner {
            padding: 120px 0 56px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 220px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-light), transparent);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 8px;
            letter-spacing: -0.02em;
            line-height: 1.25;
            max-width: 800px;
        }
        .page-banner .breadcrumb-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            margin-top: 4px;
        }
        .page-banner .breadcrumb-wrap a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        .page-banner .breadcrumb-wrap a:hover {
            color: var(--secondary-light);
        }
        .page-banner .breadcrumb-wrap .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 767.98px) {
            .page-banner {
                padding: 100px 0 40px;
                min-height: 160px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .breadcrumb-wrap {
                font-size: 0.8rem;
                gap: 8px;
            }
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 48px 0 64px;
        }

        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .article-card:hover {
            box-shadow: var(--shadow-md);
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding: 24px 32px 0;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-meta .badge-cat {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
        }
        .article-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .date i {
            font-size: 1rem;
        }

        .article-body {
            padding: 24px 32px 32px;
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--text-dark);
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            font-weight: 700;
            line-height: 1.3;
        }
        .article-body h2 {
            font-size: 1.6rem;
        }
        .article-body h3 {
            font-size: 1.3rem;
        }
        .article-body p {
            margin-bottom: 1.2em;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 1.5em;
            margin-bottom: 1.2em;
        }
        .article-body li {
            margin-bottom: 0.4em;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--secondary-dark);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--bg-light);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 0.95rem;
        }
        .article-body th,
        .article-body td {
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            text-align: left;
        }
        .article-body th {
            background: var(--bg-light);
            font-weight: 600;
            color: var(--text-dark);
        }
        .article-body tr:nth-child(even) td {
            background: var(--bg-light);
        }

        .article-footer-meta {
            padding: 0 32px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            margin-top: 8px;
        }
        .article-footer-meta .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-footer-meta .tag {
            display: inline-block;
            background: var(--bg-light);
            color: var(--text-muted);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-footer-meta .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .article-footer-meta .share {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-footer-meta .share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            font-size: 1rem;
        }
        .article-footer-meta .share a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        @media (max-width: 767.98px) {
            .article-meta {
                padding: 16px 20px 0;
                gap: 12px;
            }
            .article-body {
                padding: 16px 20px 24px;
                font-size: 0.98rem;
            }
            .article-footer-meta {
                padding: 0 20px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
        }
        @media (max-width: 575.98px) {
            .article-meta {
                padding: 12px 16px 0;
                font-size: 0.82rem;
                gap: 8px;
            }
            .article-body {
                padding: 12px 16px 20px;
                font-size: 0.92rem;
                line-height: 1.75;
            }
            .article-footer-meta {
                padding: 0 16px 16px;
            }
        }

        /* ===== 相关文章 ===== */
        .related-section {
            padding: 48px 0 64px;
            background: var(--bg-white);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }
        .related-section .section-sub {
            color: var(--text-muted);
            margin-bottom: 2rem;
            font-size: 0.98rem;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-card .card-img {
            aspect-ratio: 16 / 10;
            object-fit: cover;
            width: 100%;
            display: block;
        }
        .related-card .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--secondary-dark);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .related-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-title a {
            color: inherit;
        }
        .related-card .card-title a:hover {
            color: var(--primary);
        }
        .related-card .card-text {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-date {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        @media (max-width: 767.98px) {
            .related-section .section-title {
                font-size: 1.3rem;
            }
            .related-card .card-body {
                padding: 16px;
            }
            .related-card .card-title {
                font-size: 0.95rem;
            }
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            position: relative;
            overflow: hidden;
            color: #fff;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--secondary);
            color: var(--primary-dark) !important;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 32px rgba(232, 168, 56, 0.35);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .cta-section .btn-cta:hover {
            background: var(--secondary-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(232, 168, 56, 0.45);
        }
        .cta-section .btn-cta i {
            font-size: 1.2rem;
        }

        @media (max-width: 767.98px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-cta {
                padding: 12px 30px;
                font-size: 0.95rem;
            }
        }

        /* ===== footer ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 32px;
            font-size: 0.9rem;
        }
        .footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .footer .footer-brand span {
            color: var(--secondary);
        }
        .footer p {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            font-size: 0.92rem;
        }
        .footer .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px 24px;
            margin-bottom: 20px;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .footer .footer-links a:hover {
            color: var(--secondary);
        }
        .footer .footer-divider {
            background: rgba(255, 255, 255, 0.10);
            margin: 16px 0;
            height: 1px;
            border: 0;
        }
        .footer .footer-bottom {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 767.98px) {
            .footer {
                padding: 32px 0 24px;
            }
            .footer .footer-brand {
                font-size: 1.15rem;
            }
            .footer .footer-links {
                gap: 6px 16px;
            }
        }

        /* ===== 未找到内容 ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
        }
        .not-found-box i {
            font-size: 3rem;
            color: var(--text-light);
            margin-bottom: 16px;
            display: block;
        }
        .not-found-box h3 {
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
            background: var(--primary);
            color: #fff;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== 通用辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .gap-2 {
            gap: 0.75rem;
        }
        .d-flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .align-items-center {
            align-items: center;
        }
        .justify-content-center {
            justify-content: center;
        }
        .w-100 {
            width: 100%;
        }