/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1a3d;
            --primary-light: #1a2d6e;
            --primary-mid: #2a4a9e;
            --secondary: #c9a84c;
            --secondary-light: #e8d07a;
            --accent: #e85d3a;
            --accent-light: #f07a5a;
            --bg: #ffffff;
            --bg-alt: #f5f7fc;
            --bg-dark: #0a1128;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-white: #ffffff;
            --border: #e5e7eb;
            --border-light: #f0f2f5;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(15, 26, 61, 0.08);
            --shadow-hover: 0 12px 40px rgba(15, 26, 61, 0.16);
            --shadow-glow: 0 0 40px rgba(201, 168, 76, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-height: 76px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
        }
        a {
            color: var(--primary-mid);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--primary);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav (品牌活动导航风格) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(15, 26, 61, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(201, 168, 76, 0.25);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 26px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 1px;
            position: relative;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            border-radius: 10px;
            color: var(--primary);
            font-size: 20px;
            font-weight: 900;
            box-shadow: var(--shadow-glow);
        }
        .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-menu a i {
            font-size: 14px;
            opacity: 0.7;
        }
        .nav-menu a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu a.active {
            color: var(--text-white);
            background: rgba(201, 168, 76, 0.2);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: linear-gradient(135deg, var(--secondary), #d4b85a);
            color: var(--primary) !important;
            border-radius: 50px;
            font-weight: 700;
            font-size: 14px;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
            transition: var(--transition);
        }
        .nav-cta i {
            opacity: 1 !important;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.5);
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
            color: var(--primary) !important;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 120px 24px 80px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.45;
            transform: scale(1.05);
            animation: heroZoom 20s ease-in-out infinite alternate;
        }
        @keyframes heroZoom {
            0% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1.15);
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 17, 40, 0.7) 0%, rgba(10, 17, 40, 0.9) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(201, 168, 76, 0.18);
            border: 1px solid rgba(201, 168, 76, 0.3);
            border-radius: 50px;
            color: var(--secondary-light);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero h1 {
            font-size: clamp(36px, 6vw, 68px);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: clamp(16px, 2vw, 20px);
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: linear-gradient(135deg, var(--secondary), #d4b85a);
            color: var(--primary) !important;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 6px 24px rgba(201, 168, 76, 0.4);
            transition: var(--transition);
            border: none;
        }
        .btn-primary i {
            font-size: 14px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(201, 168, 76, 0.55);
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
        }
        .btn-primary:hover i {
            transform: translateX(4px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: transparent;
            color: var(--text-white) !important;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--secondary);
            background: rgba(201, 168, 76, 0.12);
            color: var(--secondary-light) !important;
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px 48px;
            justify-content: center;
            margin-top: 52px;
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--secondary-light);
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3 {
            color: var(--text-white);
        }
        .section-title {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-title h2 {
            font-size: clamp(28px, 3.6vw, 40px);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .section-title p {
            font-size: 17px;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-title p {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-title .subtitle-badge {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(201, 168, 76, 0.15);
            border-radius: 50px;
            color: var(--secondary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        /* ===== 核心说明 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-text h3 {
            font-size: 26px;
            margin-bottom: 16px;
        }
        .intro-text p {
            color: var(--text-light);
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.8;
        }
        .intro-text .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .intro-text .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
        }
        .intro-text .feature-list li i {
            color: var(--secondary);
            font-size: 18px;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }
        .intro-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: var(--transition);
        }
        .intro-image:hover img {
            transform: scale(1.03);
        }

        /* ===== 分类卡片 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg);
            box-shadow: var(--shadow);
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid var(--border-light);
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .category-card .card-img {
            height: 200px;
            overflow: hidden;
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover .card-img img {
            transform: scale(1.06);
        }
        .category-card .card-body {
            padding: 24px;
        }
        .category-card .card-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .category-card .card-body h3 i {
            color: var(--secondary);
            font-size: 16px;
        }
        .category-card .card-body p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .category-card .card-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(201, 168, 76, 0.12);
            border-radius: 50px;
            color: var(--secondary);
            font-size: 12px;
            font-weight: 600;
        }
        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-mid);
            font-weight: 600;
            font-size: 14px;
            margin-top: 12px;
        }
        .category-card .card-link i {
            font-size: 12px;
            transition: var(--transition);
        }
        .category-card:hover .card-link i {
            transform: translateX(4px);
        }

        /* ===== 资讯列表 (CMS) ===== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .news-item .news-thumb {
            width: 120px;
            min-height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-alt);
        }
        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-info h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-info h4 a {
            color: var(--primary);
        }
        .news-item .news-info h4 a:hover {
            color: var(--secondary);
        }
        .news-item .news-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .news-item .news-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-item .news-meta i {
            font-size: 12px;
            opacity: 0.7;
        }
        .news-item .news-desc {
            font-size: 14px;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            color: var(--text-light);
            font-size: 16px;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        .news-empty i {
            font-size: 40px;
            color: var(--border);
            margin-bottom: 16px;
            display: block;
        }

        /* ===== 数据/流程 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .process-step .step-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-mid));
            border-radius: 50%;
            font-size: 26px;
            color: var(--secondary-light);
            box-shadow: 0 8px 24px rgba(15, 26, 61, 0.15);
        }
        .process-step .step-num {
            position: absolute;
            top: -10px;
            right: -10px;
            width: 36px;
            height: 36px;
            background: var(--secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--primary);
            box-shadow: 0 4px 12px rgba(201, 168, 76, 0.4);
        }
        .process-step h4 {
            font-size: 17px;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--secondary);
            box-shadow: 0 2px 12px rgba(201, 168, 76, 0.1);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 16px;
            color: var(--primary);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--secondary);
            transition: var(--transition);
            font-size: 14px;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            text-align: center;
            padding: 80px 24px;
            background: linear-gradient(135deg, var(--primary), var(--bg-dark));
            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: 0.12;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(28px, 3.4vw, 42px);
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 17px;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-primary {
            font-size: 17px;
            padding: 18px 44px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 22px;
            margin-bottom: 14px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-col h4 {
            font-size: 15px;
            color: var(--text-white);
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            padding: 4px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--secondary-light);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.5);
            font-size: 16px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--secondary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 17, 40, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid rgba(201, 168, 76, 0.2);
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-menu a {
                width: 100%;
                padding: 14px 20px;
                border-radius: var(--radius-sm);
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-menu a.active {
                background: rgba(201, 168, 76, 0.15);
                border-left: 3px solid var(--secondary);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                margin-top: 8px;
                justify-content: center;
                width: 100%;
            }
            .hero {
                min-height: 80vh;
                padding: 100px 20px 60px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-stats {
                gap: 20px 32px;
            }
            .hero-stat .num {
                font-size: 26px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .intro-image img {
                height: 260px;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 180px;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .process-step {
                padding: 24px 16px;
            }
            .process-step .step-icon {
                width: 52px;
                height: 52px;
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                margin-bottom: 36px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .news-item .news-thumb {
                height: 140px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 14px;
                padding: 0 16px;
            }
            .faq-answer.open {
                padding: 0 16px 16px;
            }
        }
        @media (max-width: 380px) {
            .hero h1 {
                font-size: 24px;
            }
            .logo {
                font-size: 20px;
            }
            .logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #1a3a5c;
  --primary-light: #2a5a8c;
  --primary-dark: #0f2440;
  --accent: #c9a84c;
  --accent-light: #e8cc6a;
  --accent-dark: #a8882e;
  --bg-body: #f5f7fa;
  --bg-white: #ffffff;
  --bg-card: #ffffff;
  --bg-dark: #0f1a2e;
  --bg-section: #eef2f7;
  --text-primary: #1a2a3a;
  --text-secondary: #4a5a6a;
  --text-light: #8a9aaa;
  --text-white: #f0f4f8;
  --border: #dce2ec;
  --border-light: #e8ecf2;
  --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.06);
  --shadow-md: 0 6px 24px rgba(26, 58, 92, 0.10);
  --shadow-lg: 0 12px 40px rgba(26, 58, 92, 0.14);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  --max-width: 1200px;
}
/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-family); font-size: 16px; line-height: 1.7; color: var(--text-primary); background: var(--bg-body); }
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea { font-family: inherit; font-size: 1rem; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary); }
/* ===== Container ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
/* ===== Header / Nav ===== */
.site-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.96);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 20px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.5rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px;
}
.logo-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff; font-size: 1rem; font-weight: 900; letter-spacing: 0;
}
.logo span:last-child { color: var(--primary); }
.nav-menu {
  display: flex; align-items: center; gap: 8px;
}
.nav-menu a {
  padding: 8px 18px; border-radius: 30px;
  font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
  transition: var(--transition); white-space: nowrap;
  display: flex; align-items: center; gap: 6px;
}
.nav-menu a i { font-size: 0.85rem; opacity: 0.7; }
.nav-menu a:hover, .nav-menu a.active {
  background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(26,58,92,0.25);
}
.nav-menu a.active { background: var(--primary); color: #fff; }
.nav-cta {
  background: var(--accent) !important; color: var(--primary-dark) !important;
  font-weight: 700 !important; box-shadow: 0 4px 14px rgba(201,168,76,0.35);
}
.nav-cta:hover { background: var(--accent-light) !important; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.45) !important; }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px; border-radius: 8px;
}
.nav-toggle span {
  width: 26px; height: 3px; background: var(--primary); border-radius: 4px;
  transition: var(--transition);
}
/* ===== Article Hero Banner ===== */
.article-banner {
  position: relative;
  padding: 80px 0 60px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  overflow: hidden;
  min-height: 280px;
  display: flex; align-items: center;
}
.article-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.10;
  mix-blend-mode: overlay;
}
.article-banner .container { position: relative; z-index: 2; width: 100%; }
.article-breadcrumb {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem; color: rgba(255,255,255,0.65); margin-bottom: 20px; flex-wrap: wrap;
}
.article-breadcrumb a { color: rgba(255,255,255,0.75); }
.article-breadcrumb a:hover { color: var(--accent-light); }
.article-breadcrumb span { color: rgba(255,255,255,0.5); }
.article-banner h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff; line-height: 1.3;
  max-width: 860px; margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.article-meta-bar {
  display: flex; flex-wrap: wrap; gap: 18px 30px;
  align-items: center; font-size: 0.95rem; color: rgba(255,255,255,0.75);
}
.article-meta-bar .badge {
  display: inline-block; padding: 4px 16px; border-radius: 30px;
  background: var(--accent); color: var(--primary-dark);
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.3px;
}
.article-meta-bar i { margin-right: 6px; opacity: 0.7; }
/* ===== Article Main ===== */
.article-main {
  padding: 60px 0 80px;
}
.article-layout {
  display: grid; grid-template-columns: 1fr 320px; gap: 50px;
}
.article-body {
  background: var(--bg-white); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); padding: 40px 44px;
  border: 1px solid var(--border-light);
}
.article-body .cover-image {
  width: 100%; border-radius: var(--radius-sm); margin-bottom: 32px;
  max-height: 460px; object-fit: cover; box-shadow: var(--shadow-sm);
}
.article-body .content {
  font-size: 1.05rem; line-height: 1.9; color: var(--text-primary);
}
.article-body .content p { margin-bottom: 1.4em; }
.article-body .content h2, .article-body .content h3 {
  margin-top: 1.8em; margin-bottom: 0.8em; color: var(--primary);
}
.article-body .content ul, .article-body .content ol {
  margin-bottom: 1.4em; padding-left: 1.8em;
}
.article-body .content li { margin-bottom: 0.5em; list-style: disc; }
.article-body .content blockquote {
  border-left: 4px solid var(--accent); padding: 16px 24px;
  background: var(--bg-section); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.6em 0; color: var(--text-secondary); font-style: italic;
}
.article-body .content img { border-radius: var(--radius-sm); margin: 1.6em 0; box-shadow: var(--shadow-sm); }
.article-body .content a { color: var(--accent-dark); font-weight: 600; text-decoration: underline; }
.article-body .content a:hover { color: var(--accent); }
.article-tags {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; padding-top: 24px;
  border-top: 1px solid var(--border-light);
}
.article-tags .tag {
  display: inline-block; padding: 5px 16px; border-radius: 30px;
  background: var(--bg-section); color: var(--text-secondary);
  font-size: 0.85rem; font-weight: 500; transition: var(--transition);
  border: 1px solid var(--border-light);
}
.article-tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.article-nav {
  display: flex; justify-content: space-between; gap: 20px;
  margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border-light);
  flex-wrap: wrap;
}
.article-nav a {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 24px; border-radius: var(--radius-sm);
  background: var(--bg-section); color: var(--text-secondary);
  font-weight: 500; transition: var(--transition);
  border: 1px solid var(--border-light);
}
.article-nav a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
/* ===== Sidebar ===== */
.article-sidebar {
  display: flex; flex-direction: column; gap: 32px;
}
.sidebar-card {
  background: var(--bg-white); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); padding: 28px 24px;
  border: 1px solid var(--border-light);
}
.sidebar-card h3 {
  font-size: 1.15rem; margin-bottom: 18px; padding-bottom: 12px;
  border-bottom: 2px solid var(--accent); display: inline-block;
}
.sidebar-list a {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 12px 0; border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}
.sidebar-list a:last-child { border-bottom: none; }
.sidebar-list a:hover { padding-left: 8px; }
.sidebar-list .thumb {
  width: 60px; height: 60px; border-radius: var(--radius-sm);
  object-fit: cover; flex-shrink: 0; background: var(--bg-section);
}
.sidebar-list .info { flex: 1; min-width: 0; }
.sidebar-list .info .s-title {
  font-size: 0.92rem; font-weight: 600; color: var(--text-primary);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  line-height: 1.4; margin-bottom: 4px;
}
.sidebar-list .info .s-date { font-size: 0.8rem; color: var(--text-light); }
.sidebar-cta {
  text-align: center;
}
.sidebar-cta .btn-block {
  display: block; width: 100%; padding: 14px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark); font-weight: 700; font-size: 1rem;
  border: none; cursor: pointer; transition: var(--transition);
  text-align: center;
}
.sidebar-cta .btn-block:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.sidebar-contact p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 8px; }
.sidebar-contact .phone { font-size: 1.2rem; font-weight: 700; color: var(--primary); }
/* ===== Related Articles Section ===== */
.related-section {
  padding: 60px 0 80px; background: var(--bg-section);
}
.related-section .section-title {
  font-size: 1.8rem; text-align: center; margin-bottom: 12px;
}
.related-section .section-sub {
  text-align: center; color: var(--text-secondary); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto;
}
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.related-card {
  background: var(--bg-white); border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition);
  border: 1px solid var(--border-light); display: flex; flex-direction: column;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-card .r-img {
  width: 100%; height: 200px; object-fit: cover; border-radius: 0;
}
.related-card .r-body { padding: 22px 24px; flex: 1; display: flex; flex-direction: column; }
.related-card .r-body .r-cat {
  display: inline-block; padding: 2px 14px; border-radius: 30px;
  background: var(--bg-section); color: var(--primary); font-size: 0.78rem;
  font-weight: 600; margin-bottom: 10px; align-self: flex-start;
}
.related-card .r-body h4 { font-size: 1.05rem; margin-bottom: 10px; line-height: 1.4; }
.related-card .r-body h4 a { color: var(--primary); }
.related-card .r-body h4 a:hover { color: var(--accent); }
.related-card .r-body p { font-size: 0.9rem; color: var(--text-secondary); flex: 1; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .r-body .r-date { font-size: 0.8rem; color: var(--text-light); }
/* ===== Not Found ===== */
.not-found-box {
  text-align: center; padding: 80px 20px;
}
.not-found-box .nf-icon { font-size: 4rem; color: var(--text-light); margin-bottom: 20px; }
.not-found-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
.not-found-box p { color: var(--text-secondary); margin-bottom: 24px; font-size: 1.05rem; }
.not-found-box .btn-back {
  display: inline-block; padding: 14px 40px; border-radius: var(--radius-sm);
  background: var(--primary); color: #fff; font-weight: 600; font-size: 1rem;
  transition: var(--transition);
}
.not-found-box .btn-back:hover { background: var(--primary-light); transform: translateY(-3px); box-shadow: var(--shadow-md); }
/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark); color: var(--text-white); padding: 60px 0 30px;
}
.site-footer .footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px;
}
.site-footer .logo { color: #fff; margin-bottom: 16px; }
.site-footer .logo .logo-icon { background: linear-gradient(135deg, var(--accent), var(--accent-light)); color: var(--primary-dark); }
.site-footer .logo span:last-child { color: #fff; }
.site-footer .footer-brand p { font-size: 0.92rem; color: rgba(255,255,255,0.6); line-height: 1.7; max-width: 360px; }
.site-footer .footer-col h4 {
  font-size: 1.05rem; color: #fff; margin-bottom: 18px; font-weight: 700;
  position: relative; padding-bottom: 10px;
}
.site-footer .footer-col h4::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 30px; height: 3px; background: var(--accent); border-radius: 4px;
}
.site-footer .footer-col a {
  display: block; padding: 5px 0; font-size: 0.92rem;
  color: rgba(255,255,255,0.6); transition: var(--transition);
}
.site-footer .footer-col a:hover { color: var(--accent-light); padding-left: 6px; }
.site-footer .footer-social a {
  display: inline-block; width: 40px; height: 40px; line-height: 40px;
  text-align: center; border-radius: 50%; background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7); font-size: 1.1rem; margin-right: 10px;
  padding: 0; transition: var(--transition);
}
.site-footer .footer-social a:hover { background: var(--accent); color: var(--primary-dark); padding-left: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem; color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent-light); }
/* ===== FAQ ===== */
.faq-section {
  padding: 60px 0; background: var(--bg-white);
}
.faq-section .section-title { text-align: center; font-size: 1.8rem; margin-bottom: 12px; }
.faq-section .section-sub { text-align: center; color: var(--text-secondary); margin-bottom: 40px; }
.faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--border-light); border-radius: var(--radius-sm);
  overflow: hidden; transition: var(--transition);
}
.faq-item summary {
  padding: 18px 24px; font-weight: 600; font-size: 1rem; color: var(--text-primary);
  cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-body); transition: var(--transition);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
  font-size: 0.8rem; color: var(--text-light); transition: var(--transition);
}
.faq-item[open] summary { background: var(--primary); color: #fff; }
.faq-item[open] summary::after { transform: rotate(180deg); color: #fff; }
.faq-item .faq-answer {
  padding: 20px 24px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.8;
}
/* ===== CTA Section ===== */
.cta-section {
  padding: 60px 0; background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.06; mix-blend-mode: overlay;
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: 2rem; color: #fff; margin-bottom: 14px; }
.cta-section p { color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 30px; font-size: 1.05rem; }
.cta-section .btn-cta {
  display: inline-block; padding: 16px 48px; border-radius: 50px;
  background: var(--accent); color: var(--primary-dark); font-weight: 700;
  font-size: 1.1rem; transition: var(--transition); box-shadow: 0 8px 28px rgba(201,168,76,0.35);
}
.cta-section .btn-cta:hover { background: var(--accent-light); transform: translateY(-4px); box-shadow: 0 14px 40px rgba(201,168,76,0.5); }
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-menu { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg-white); flex-direction: column; padding: 16px 24px 24px; box-shadow: var(--shadow-lg); border-bottom: 2px solid var(--border); gap: 6px; }
  .nav-menu.open { display: flex; }
  .nav-menu a { width: 100%; justify-content: center; padding: 12px; border-radius: var(--radius-sm); }
  .nav-toggle { display: flex; }
  .article-banner { padding: 60px 0 40px; min-height: 220px; }
  .article-body { padding: 24px 20px; }
  .related-grid { grid-template-columns: 1fr; }
  .site-footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .article-nav { flex-direction: column; align-items: stretch; }
  .article-nav a { justify-content: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-banner h1 { font-size: 1.5rem; }
  .article-meta-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .article-body { padding: 18px 14px; }
  .article-body .content { font-size: 0.98rem; }
  .sidebar-card { padding: 20px 16px; }
  .related-card .r-body { padding: 16px 18px; }
  .cta-section h2 { font-size: 1.5rem; }
  .cta-section .btn-cta { padding: 14px 32px; font-size: 1rem; width: 100%; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a6b;
            --primary-light: #2a5a9e;
            --primary-dark: #0f2444;
            --secondary: #e8a838;
            --secondary-light: #f0c060;
            --secondary-dark: #c88a20;
            --accent: #d4543a;
            --bg-light: #f7f9fc;
            --bg-dark: #0f1a2e;
            --bg-card: #ffffff;
            --text-dark: #1a2a3a;
            --text-mid: #4a5a6a;
            --text-light: #8a9aaa;
            --text-white: #f0f4f8;
            --border-light: #e2e8f0;
            --border-mid: #c8d0dc;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-light);
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: 1rem; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-dark); }
        h1 { font-size: clamp(2rem, 4.2vw, 3.4rem); }
        h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
        h4 { font-size: 1.15rem; }
        p { color: var(--text-mid); margin-bottom: 0.8rem; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .section { padding: 70px 0; }
        .section-title { text-align: center; margin-bottom: 48px; }
        .section-title h2 { margin-bottom: 12px; position: relative; display: inline-block; }
        .section-title h2::after { content: ''; display: block; width: 60px; height: 4px; background: var(--secondary); border-radius: 4px; margin: 12px auto 0; }
        .section-title p { max-width: 620px; margin: 0 auto; font-size: 1.08rem; color: var(--text-light); }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
            padding: 0;
            height: 68px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
        }
        .logo:hover { color: var(--primary); opacity: 0.9; }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 800;
            letter-spacing: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-mid);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-menu a i { margin-right: 6px; font-size: 0.9rem; }
        .nav-menu a:hover { color: var(--primary); background: rgba(26,58,107,0.06); }
        .nav-menu a.active {
            color: var(--primary);
            background: rgba(26,58,107,0.10);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
        }
        .nav-menu a.nav-cta {
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 8px 22px;
            border-radius: var(--radius-xl);
            margin-left: 8px;
            box-shadow: 0 2px 12px rgba(232,168,56,0.30);
        }
        .nav-menu a.nav-cta:hover {
            background: var(--secondary-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232,168,56,0.40);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 3px;
            background: var(--text-dark);
            border-radius: 3px;
            transition: var(--transition);
        }
        .nav-toggle:hover span { background: var(--primary); }

        /* ===== Hero / Banner ===== */
        .guide-hero {
            position: relative;
            padding: 100px 0 90px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            overflow: hidden;
        }
        .guide-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,46,0.85) 0%, rgba(26,58,107,0.70) 100%);
            z-index: 1;
        }
        .guide-hero .container { position: relative; z-index: 2; }
        .guide-hero h1 {
            color: #fff;
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .guide-hero h1 span { color: var(--secondary); }
        .guide-hero p {
            color: rgba(255,255,255,0.85);
            font-size: 1.15rem;
            max-width: 640px;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .guide-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
        }
        .guide-hero .hero-tags span {
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(4px);
            padding: 6px 18px;
            border-radius: var(--radius-xl);
            font-size: 0.88rem;
            color: rgba(255,255,255,0.95);
            border: 1px solid rgba(255,255,255,0.10);
        }
        .guide-hero .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .guide-hero .hero-cta .btn-primary-custom {
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 14px 36px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            box-shadow: 0 4px 20px rgba(232,168,56,0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .guide-hero .hero-cta .btn-primary-custom:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232,168,56,0.45);
        }
        .guide-hero .hero-cta .btn-outline-custom {
            background: transparent;
            color: #fff;
            padding: 12px 30px;
            border-radius: var(--radius-xl);
            font-weight: 600;
            border: 2px solid rgba(255,255,255,0.30);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .guide-hero .hero-cta .btn-outline-custom:hover {
            border-color: var(--secondary);
            background: rgba(232,168,56,0.10);
            color: var(--secondary);
        }

        /* ===== 分类介绍区 ===== */
        .intro-block {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }
        .intro-block .intro-text { flex: 1 1 55%; }
        .intro-block .intro-image { flex: 1 1 38%; }
        .intro-block .intro-image img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/11;
        }
        .intro-text h3 { font-size: 1.5rem; margin-bottom: 16px; color: var(--primary); }
        .intro-text p { font-size: 1.02rem; line-height: 1.8; }
        .intro-text .feature-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .intro-text .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 16px;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
        }
        .intro-text .feature-list li i { color: var(--secondary); font-size: 1.1rem; }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
            gap: 28px;
        }
        .card-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-mid);
        }
        .card-item .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .card-item .card-body {
            padding: 22px 24px 26px;
        }
        .card-item .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .card-item .card-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 14px;
            line-height: 1.6;
        }
        .card-item .card-body .card-tag {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(26,58,107,0.08);
            border-radius: var(--radius-xl);
            font-size: 0.78rem;
            color: var(--primary-light);
            font-weight: 500;
        }
        .card-item .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--primary);
            margin-top: 6px;
        }
        .card-item .card-body .card-link:hover { color: var(--primary-light); gap: 10px; }

        /* ===== 最新资讯 ===== */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .post-item {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            align-items: flex-start;
        }
        .post-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border-mid);
        }
        .post-item .post-thumb {
            flex: 0 0 160px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .post-item .post-thumb img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .post-item .post-content { flex: 1; }
        .post-item .post-content h4 { font-size: 1.08rem; margin-bottom: 6px; }
        .post-item .post-content h4 a { color: var(--text-dark); }
        .post-item .post-content h4 a:hover { color: var(--primary); }
        .post-item .post-content p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 8px; }
        .post-item .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-light);
        }
        .post-item .post-meta i { margin-right: 4px; }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stats-grid .stat-item {
            background: var(--bg-card);
            padding: 32px 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stats-grid .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stats-grid .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stats-grid .stat-item .stat-number span { color: var(--secondary); }
        .stats-grid .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--text-mid);
            margin-top: 6px;
            font-weight: 500;
        }
        .stats-grid .stat-item .stat-icon {
            font-size: 2rem;
            color: var(--secondary-light);
            margin-bottom: 10px;
        }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border-mid); }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.02rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-dark);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-q:hover { background: rgba(26,58,107,0.03); }
        .faq-item .faq-q i { color: var(--primary-light); transition: var(--transition); font-size: 0.9rem; }
        .faq-item .faq-q[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-item .faq-a {
            padding: 0 24px 18px;
            color: var(--text-mid);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,58,107,0.92) 0%, rgba(15,26,46,0.88) 100%);
            border-radius: var(--radius-lg);
        }
        .cta-block .cta-content { position: relative; z-index: 2; }
        .cta-block h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 12px; }
        .cta-block p { color: rgba(255,255,255,0.80); font-size: 1.08rem; max-width: 560px; margin: 0 auto 28px; }
        .cta-block .btn-cta {
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 16px 44px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1.08rem;
            border: none;
            box-shadow: 0 4px 20px rgba(232,168,56,0.30);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-block .btn-cta:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232,168,56,0.40);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.80);
            padding: 60px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .site-footer .logo { color: #fff; margin-bottom: 14px; }
        .site-footer .logo .logo-icon { background: var(--secondary); color: var(--primary-dark); }
        .site-footer .footer-brand p { color: rgba(255,255,255,0.60); font-size: 0.9rem; line-height: 1.7; max-width: 300px; }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .site-footer .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .site-footer .footer-col a i { width: 20px; margin-right: 6px; }
        .site-footer .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            margin-right: 8px;
            font-size: 1.1rem;
            color: rgba(255,255,255,0.70);
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover {
            background: var(--secondary);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            padding: 22px 0;
            font-size: 0.84rem;
            color: rgba(255,255,255,0.45);
        }
        .site-footer .footer-bottom a { color: rgba(255,255,255,0.55); }
        .site-footer .footer-bottom a:hover { color: var(--secondary); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 20px 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                gap: 4px;
            }
            .nav-menu.open { display: flex; }
            .nav-menu a { padding: 12px 16px; width: 100%; border-radius: var(--radius-sm); }
            .nav-menu a.nav-cta { margin-left: 0; text-align: center; }
            .nav-toggle { display: flex; }
            .guide-hero { padding: 70px 0 60px; }
            .guide-hero h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); }
            .intro-block { flex-direction: column; }
            .intro-text .feature-list { grid-template-columns: 1fr; }
            .post-item { flex-direction: column; }
            .post-item .post-thumb { flex: 0 0 auto; width: 100%; }
            .post-item .post-thumb img { aspect-ratio: 16/9; }
            .card-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .cta-block { padding: 40px 24px; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .site-footer .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
            .section { padding: 50px 0; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .guide-hero { padding: 50px 0 40px; }
            .guide-hero .hero-cta { flex-direction: column; }
            .guide-hero .hero-cta .btn-primary-custom,
            .guide-hero .hero-cta .btn-outline-custom { width: 100%; justify-content: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stats-grid .stat-item { padding: 20px 12px; }
            .stats-grid .stat-item .stat-number { font-size: 1.8rem; }
            .card-grid { grid-template-columns: 1fr; }
            .post-item { padding: 16px; }
            .cta-block { padding: 32px 18px; }
            .cta-block .btn-cta { width: 100%; justify-content: center; }
            .site-footer .footer-grid { gap: 20px; }
            .intro-text .feature-list li { font-size: 0.88rem; padding: 8px 12px; }
            .faq-item .faq-q { padding: 14px 16px; font-size: 0.95rem; }
            .faq-item .faq-a { padding: 0 16px 14px; font-size: 0.9rem; }
        }

        /* ===== 额外辅助 ===== */
        .text-secondary { color: var(--secondary) !important; }
        .bg-primary-soft { background: rgba(26,58,107,0.04); }
        .mb-0 { margin-bottom: 0 !important; }
        .gap-2 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .rounded-xl { border-radius: var(--radius-xl); }
        .shadow-hover:hover { box-shadow: var(--shadow-md); }