/* roulang page: index */
:root {
            --primary: #0d6b4f;
            --primary-dark: #07503a;
            --primary-light: #e3f2ec;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --dark: #0f172a;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-500: #64748b;
            --gray-700: #334155;
            --text: #1e293b;
            --text-light: #64748b;
            --border: #e9edf2;
            --radius: 18px;
            --radius-sm: 10px;
            --radius-lg: 28px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow: 0 6px 28px rgba(15, 23, 42, 0.09);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.13);
            --section-space: 90px;
            --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            color: var(--text);
            background: #fff;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            list-style: none;
            padding: 0;
        }
        .container {
            max-width: 1200px;
        }
        .section {
            padding: var(--section-space) 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }
        .section-head.left {
            text-align: left;
            margin: 0 0 32px;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            padding: 6px 18px;
            border-radius: 40px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: 38px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 16px;
            line-height: 1.7;
        }
        .btn {
            border-radius: 50px;
            font-weight: 600;
            padding: 12px 30px;
            font-size: 15px;
            transition: all .3s ease;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 107, 79, 0.28);
        }
        .btn-accent {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .btn-accent:hover,
        .btn-accent:focus {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
        }
        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .btn-light:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.16);
        }
        .btn:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(13, 107, 79, 0.18);
        }
        .btn-accent:focus {
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.25);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--primary);
            position: relative;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .navbar {
            padding: 16px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 22px;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .navbar-brand:hover {
            color: #fff;
        }
        .navbar-brand .brand-icon {
            width: 42px;
            height: 42px;
            background: rgba(255, 255, 255, 0.14);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            color: var(--accent);
        }
        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.82);
            font-weight: 500;
            font-size: 15px;
            padding: 9px 18px;
            border-radius: 40px;
            margin: 0 2px;
            transition: all .25s ease;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus,
        .navbar-nav .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.14);
        }
        .nav-cta {
            margin-left: 18px;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 8px 12px;
            border-radius: 10px;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.22);
            outline: none;
        }
        .navbar-toggler .hamburger {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            margin: 5px 0;
            border-radius: 3px;
            transition: all .3s ease;
        }

        /* ===== Hero ===== */
        .hero {
            background: var(--primary);
            overflow: hidden;
        }
        .hero .row {
            min-height: 620px;
        }
        .hero-content-col {
            display: flex;
            align-items: center;
            padding: 70px 0 70px 48px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            position: relative;
        }
        .hero-content {
            max-width: 560px;
            width: 100%;
            color: #fff;
            padding: 20px 0;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.13);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: 40px;
            letter-spacing: 1px;
            margin-bottom: 28px;
        }
        .hero-content h1 {
            font-size: 56px;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero-content .subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.86);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 460px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 52px;
        }
        .hero-stat-row {
            display: flex;
            gap: 38px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.18);
            padding-top: 30px;
        }
        .hero-stat-row > div {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-row strong {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-row span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
            letter-spacing: 0.5px;
        }
        .hero-visual-col {
            min-height: 620px;
            position: relative;
        }
        .hero-visual {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }
        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, var(--primary) 0%, rgba(13, 107, 79, 0.25) 30%, transparent 70%);
        }

        /* ===== About / 核心说明 ===== */
        .about-section {
            background: var(--gray-50);
        }
        .about-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            height: 100%;
            min-height: 380px;
        }
        .about-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .about-content {
            padding: 30px 0 30px 44px;
        }
        .about-content h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 18px;
            line-height: 1.4;
        }
        .about-content p {
            color: var(--gray-500);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 24px;
        }
        .about-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 8px;
        }
        .about-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            font-weight: 600;
            font-size: 14px;
            color: var(--gray-700);
            transition: all .25s ease;
        }
        .about-list li:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .about-list li i {
            color: var(--primary);
            font-size: 16px;
        }

        /* ===== 分类入口 ===== */
        .category-section {
            background: #fff;
        }
        .category-card {
            display: flex;
            flex-direction: column;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: all .35s ease;
            height: 100%;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .category-card .card-img {
            height: 240px;
            overflow: hidden;
            position: relative;
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .category-card:hover .card-img img {
            transform: scale(1.06);
        }
        .category-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(15, 23, 42, 0.4) 100%);
        }
        .category-card-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-tag {
            display: inline-block;
            align-self: flex-start;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 5px 14px;
            border-radius: 40px;
            margin-bottom: 14px;
        }
        .category-card-body h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .category-card-body p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 20px;
        }
        .category-link {
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: gap .25s ease;
        }
        .category-card:hover .category-link {
            gap: 14px;
        }

        /* ===== 最新资讯 ===== */
        .news-section {
            background: var(--gray-50);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 920px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: #fff;
            border-radius: var(--radius);
            padding: 20px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
        }
        .news-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(13, 107, 79, 0.3);
            transform: translateX(6px);
        }
        .news-item-date {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-light);
            background: var(--gray-100);
            padding: 4px 14px;
            border-radius: 30px;
            font-weight: 500;
            min-width: 130px;
            text-align: center;
        }
        .news-item-title {
            flex: 1;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .news-item:hover .news-item-title {
            color: var(--primary);
        }
        .news-item-category {
            flex-shrink: 0;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 30px;
        }
        .news-item-arrow {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: var(--gray-100);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--gray-500);
            transition: all .25s ease;
        }
        .news-item:hover .news-item-arrow {
            background: var(--primary);
            color: #fff;
        }
        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            color: var(--text-light);
            font-size: 16px;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
        }
        .stat-block {
            text-align: center;
            padding: 30px 20px;
        }
        .stat-block strong {
            display: block;
            font-size: 46px;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 6px;
            color: #fff;
            letter-spacing: -1px;
        }
        .stat-block span {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.78);
            letter-spacing: 1px;
        }
        .stat-block:not(:last-child) {
            border-right: 1px solid rgba(255, 255, 255, 0.14);
        }

        /* ===== 特色 ===== */
        .feature-section {
            background: #fff;
        }
        .feature-item {
            text-align: center;
            padding: 36px 24px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: all .3s ease;
            background: var(--gray-50);
            margin-bottom: 24px;
        }
        .feature-item:hover {
            background: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateY(-6px);
        }
        .feature-item i {
            font-size: 36px;
            color: var(--primary);
            margin-bottom: 18px;
            display: inline-block;
        }
        .feature-item h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .feature-item p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--gray-50);
        }
        .faq-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-top: 20px;
        }
        .faq-img img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        .accordion {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-button {
            font-weight: 700;
            font-size: 16px;
            color: var(--text);
            background: #fff;
            padding: 22px 28px;
            transition: all .25s ease;
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        .accordion-button::after {
            background-size: 14px;
            filter: grayscale(1) opacity(0.5);
        }
        .accordion-button:not(.collapsed)::after {
            filter: invert(32%) sepia(60%) saturate(650%) hue-rotate(120deg);
        }
        .accordion-body {
            padding: 4px 28px 24px;
            color: var(--gray-500);
            font-size: 14.5px;
            line-height: 1.85;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: #fff;
            padding: 0 0 90px;
        }
        .cta-box {
            background: linear-gradient(120deg, var(--primary) 22%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 68px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -50px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }
        .cta-box h2 {
            font-size: 36px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            margin-bottom: 30px;
            position: relative;
            z-index: 1;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1e18;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-brand .brand-icon {
            width: 42px;
            height: 42px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }
        .site-footer .col-lg-4 {
            margin-bottom: 30px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 17px;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: all .25s;
        }
        .site-footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }
        .footer-contact li i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            text-align: center;
            margin-top: 20px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --section-space: 70px;
            }
            .hero-content-col {
                padding-left: 32px;
            }
            .hero-content h1 {
                font-size: 44px;
            }
            .hero-stat-row {
                gap: 24px;
            }
            .about-content {
                padding-left: 20px;
            }
        }
        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--primary);
                padding: 18px;
                border-radius: 16px;
                margin-top: 14px;
                box-shadow: var(--shadow-lg);
            }
            .navbar-nav .nav-link {
                text-align: center;
                padding: 12px;
            }
            .nav-cta {
                margin: 12px auto 0;
                display: block;
                text-align: center;
            }
            .hero-content-col {
                padding: 70px 24px;
            }
            .hero-visual-col {
                min-height: 380px;
            }
            .hero-visual {
                position: relative;
                min-height: 380px;
            }
            .hero .row {
                min-height: auto;
            }
            .stat-block:not(:last-child) {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .stat-block {
                padding: 24px 12px;
            }
            .about-content {
                padding-left: 0;
                padding-top: 30px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-space: 56px;
            }
            .section-head h2 {
                font-size: 30px;
            }
            .hero-content h1 {
                font-size: 38px;
            }
            .hero-stat-row strong {
                font-size: 22px;
            }
            .news-item {
                flex-wrap: wrap;
                padding: 16px;
            }
            .news-item-date {
                min-width: auto;
                font-size: 12px;
            }
            .news-item-title {
                width: 100%;
                flex: 0 0 100%;
                order: 3;
                white-space: normal;
                font-size: 15px;
            }
            .news-item-category {
                font-size: 11px;
            }
            .stat-block strong {
                font-size: 34px;
            }
            .footer-bottom p {
                font-size: 12px;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 32px;
            }
            .hero-content .subtitle {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                text-align: center;
            }
            .hero-stat-row {
                gap: 16px;
            }
            .about-list {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .cta-box {
                padding: 44px 22px;
            }
            .cta-box h2 {
                font-size: 28px;
            }
            .category-card .card-img {
                height: 180px;
            }
        }

/* roulang page: category1 */
:root {
    --primary: #0e1f3d;
    --primary-light: #16345f;
    --primary-dark: #081226;
    --accent: #e9b14f;
    --accent-dark: #d09a33;
    --accent-soft: #f8e9cb;
    --bg-body: #f4f7fb;
    --bg-soft: #eef2f7;
    --bg-card: #ffffff;
    --text-main: #1b2a41;
    --text-muted: #5e6e85;
    --border-color: #dfe5ee;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 10px rgba(14,31,61,.06);
    --shadow-md: 0 12px 34px rgba(14,31,61,.09);
    --shadow-lg: 0 22px 55px rgba(14,31,61,.15);
    --transition: .32s cubic-bezier(.4,0,.2,1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button, input { font-family: inherit; }
.container { max-width: 1240px; }
.section { padding: 90px 0; }
.section-sm { padding: 60px 0; }

/* ── 导航 ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1080;
    background: rgba(255,255,255,.86);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(14,31,61,.07);
    box-shadow: 0 4px 26px rgba(14,31,61,.05);
}
.navbar { padding: 14px 0; }
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.28rem;
    color: var(--primary) !important;
    letter-spacing: .02em;
    transition: opacity var(--transition);
}
.navbar-brand:hover { opacity: .85; }
.brand-icon {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(145deg, var(--primary), var(--primary-light));
    color: var(--accent);
    font-size: 1.2rem;
    box-shadow: 0 6px 16px rgba(14,31,61,.22);
}
.navbar-nav { gap: 6px; }
.navbar .nav-link {
    padding: 8px 18px !important;
    font-weight: 600;
    font-size: .96rem;
    color: var(--text-muted) !important;
    border-radius: 40px;
    position: relative;
    transition: all var(--transition);
}
.navbar .nav-link::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 4px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition);
}
.navbar .nav-link:hover { color: var(--primary) !important; background: rgba(14,31,61,.05); }
.navbar .nav-link:hover::after { transform: scaleX(1); }
.navbar .nav-link.active { color: var(--primary) !important; background: rgba(14,31,61,.06); }
.navbar .nav-link.active::after { transform: scaleX(1); }
.nav-cta {
    padding: 9px 24px !important;
    border-radius: 40px;
    font-weight: 700;
    font-size: .92rem;
}
.btn-accent {
    background: var(--accent);
    color: var(--primary-dark) !important;
    border: none;
    padding: 11px 28px;
    border-radius: 40px;
    font-weight: 700;
    font-size: .94rem;
    box-shadow: 0 8px 22px rgba(233,177,79,.32);
    transition: all var(--transition);
}
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(208,154,51,.38); }
.btn-accent:active { transform: translateY(0); }
.btn-outline-light {
    border: 2px solid rgba(255,255,255,.7);
    color: #fff;
    padding: 10px 26px;
    border-radius: 40px;
    font-weight: 600;
    font-size: .93rem;
    transition: all var(--transition);
}
.btn-outline-light:hover { background: rgba(255,255,255,.14); color: #fff; border-color: #fff; }
.navbar-toggler { border: none; padding: 6px 8px; }
.navbar-toggler:focus { box-shadow: none; }
.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    margin: 5px 0;
    border-radius: 2px;
    transition: all var(--transition);
}

/* ── Hero 区 ── */
.page-hero {
    position: relative;
    padding: 86px 0 72px;
    background: linear-gradient(135deg, rgba(7,12,26,.93) 0%, rgba(14,31,61,.82) 55%, rgba(22,52,95,.72) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color: #fff;
    overflow: hidden;
}
.page-hero::before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    right: -160px;
    top: -160px;
    background: radial-gradient(circle, rgba(233,177,79,.18) 0%, transparent 68%);
    pointer-events: none;
}
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .88rem;
    color: rgba(255,255,255,.62);
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.breadcrumb-nav a { color: rgba(255,255,255,.8); }
.breadcrumb-nav a:hover { color: var(--accent); }
.breadcrumb-nav i { font-size: .75rem; color: rgba(255,255,255,.4); }
.page-hero h1 {
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 18px;
    letter-spacing: .02em;
}
.page-hero h1 .text-accent { color: var(--accent); }
.page-hero .hero-desc {
    font-size: 1.06rem;
    color: rgba(255,255,255,.82);
    max-width: 520px;
    margin-bottom: 28px;
    line-height: 1.85;
}
.hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-tag {
    padding: 6px 16px;
    border: 1px solid rgba(255,255,255,.26);
    border-radius: 30px;
    font-size: .85rem;
    color: rgba(255,255,255,.88);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    transition: all var(--transition);
}
.hero-tag i { color: var(--accent); font-size: .8rem; }
.hero-tag:hover { border-color: var(--accent); color: #fff; background: rgba(233,177,79,.12); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-card {
    background: rgba(255,255,255,.95);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow-lg);
    color: var(--text-main);
    max-width: 480px;
    margin-left: auto;
    position: relative;
    backdrop-filter: blur(8px);
}
.hero-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.04rem;
    color: var(--primary);
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--border-color);
    margin-bottom: 16px;
}
.pulse-dot {
    width: 9px;
    height: 9px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 1.8s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(34,197,94,.5); }
    70% { box-shadow: 0 0 0 10px rgba(34,197,94,0); }
    100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
.hero-card-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px solid #f1f4f8;
}
.hero-card-item:last-child { border-bottom: none; padding-bottom: 0; }
.hero-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.hero-card-item h6 { font-weight: 700; margin-bottom: 2px; font-size: .93rem; }
.hero-card-item p { font-size: .82rem; color: var(--text-muted); margin: 0; }

/* ── 标签筛选 ── */
.tag-filter-section { padding: 60px 0 20px; }
.tag-filter { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 12px; }
.filter-btn {
    padding: 9px 24px;
    border-radius: 40px;
    border: 1.5px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-muted);
    font-weight: 600;
    font-size: .9rem;
    transition: all var(--transition);
    cursor: pointer;
}
.filter-btn i { margin-right: 6px; color: var(--accent-dark); }
.filter-btn:hover { border-color: var(--accent); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 10px 24px rgba(14,31,61,.22); }

/* ── 板块标题 ── */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head .eyebrow {
    display: inline-block;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--accent-dark);
    background: var(--accent-soft);
    padding: 5px 16px;
    border-radius: 30px;
    margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.35rem); font-weight: 850; color: var(--primary); margin-bottom: 12px; }
.section-head p { color: var(--text-muted); font-size: .98rem; margin-bottom: 0; }

/* ── 焦点资讯 ── */
.focus-section { padding: 60px 0 30px; }
.focus-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
    height: 100%;
}
.focus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.focus-thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.focus-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.focus-card:hover .focus-thumb img { transform: scale(1.05); }
.focus-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(8,18,38,.55), transparent); }
.focus-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--accent);
    color: var(--primary-dark);
    font-size: .78rem;
    font-weight: 800;
    padding: 5px 14px;
    border-radius: 30px;
    box-shadow: 0 4px 12px rgba(233,177,79,.36);
    z-index: 2;
}
.focus-body { padding: 26px; }
.focus-body h3 { font-size: 1.18rem; font-weight: 800; line-height: 1.55; margin-bottom: 10px; }
.focus-body h3 a { color: var(--text-main); }
.focus-body h3 a:hover { color: var(--primary-light); }
.focus-body p { color: var(--text-muted); font-size: .92rem; margin-bottom: 16px; line-height: 1.7; }
.focus-meta { display: flex; align-items: center; gap: 18px; font-size: .82rem; color: var(--text-muted); }
.focus-meta i { color: var(--accent-dark); margin-right: 5px; }

/* ── 资讯列表 ── */
.news-list-wrap { background: var(--bg-card); border-radius: var(--radius-md); padding: 8px 22px; box-shadow: var(--shadow-sm); }
.news-list-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 17px 0;
    border-bottom: 1px solid #f0f3f7;
    transition: background var(--transition);
}
.news-list-item:last-child { border-bottom: none; }
.news-list-item:hover { background: rgba(14,31,61,.02); }
.news-list-date {
    flex-shrink: 0;
    text-align: center;
    background: var(--bg-soft);
    border-radius: 12px;
    width: 58px;
    padding: 8px 0;
    line-height: 1.2;
}
.news-list-date .day { font-weight: 800; font-size: 1.18rem; color: var(--primary); display: block; }
.news-list-date .month { font-size: .72rem; color: var(--text-muted); }
.news-list-info { flex: 1; min-width: 0; }
.news-list-info .news-type {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-size: .74rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 6px;
}
.news-list-info h5 { font-size: .98rem; font-weight: 700; margin: 0; line-height: 1.5; }
.news-list-info h5 a { color: var(--text-main); }
.news-list-info h5 a:hover { color: var(--primary-light); }
.news-list-arrow { color: #c3ccda; font-size: .95rem; transition: all var(--transition); flex-shrink: 0; }
.news-list-item:hover .news-list-arrow { color: var(--accent-dark); transform: translateX(4px); }

/* ── 资讯卡片网格 ── */
.news-grid-section { padding: 50px 0 80px; }
.news-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(14,31,61,.04);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.news-card-thumb { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.news-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.news-card:hover .news-card-thumb img { transform: scale(1.06); }
.news-card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(14,31,61,.82);
    color: var(--accent);
    font-size: .76rem;
    font-weight: 700;
    padding: 4px 13px;
    border-radius: 30px;
    backdrop-filter: blur(6px);
    z-index: 2;
}
.news-card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.news-card-body h3 { font-size: 1.02rem; font-weight: 800; line-height: 1.6; margin-bottom: 9px; }
.news-card-body h3 a { color: var(--text-main); }
.news-card-body h3 a:hover { color: var(--primary-light); }
.news-card-body p { font-size: .87rem; color: var(--text-muted); margin-bottom: 16px; line-height: 1.68; flex: 1; }
.news-card-meta { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #f1f4f8; padding-top: 14px; font-size: .8rem; color: var(--text-muted); }
.news-card-meta i { color: var(--accent-dark); margin-right: 4px; }

/* ── 数据统计 ── */
.stats-band {
    position: relative;
    padding: 90px 0;
    background: linear-gradient(rgba(8,18,38,.9), rgba(14,31,61,.92)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    color: #fff;
    overflow: hidden;
}
.stats-band::after {
    content: "";
    position: absolute;
    width: 400px;
    height: 400px;
    left: -120px;
    bottom: -160px;
    background: radial-gradient(circle, rgba(233,177,79,.16), transparent 65%);
}
.stat-item { text-align: center; padding: 20px 16px; position: relative; z-index: 2; }
.stat-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 16px;
    border-radius: 20px;
    background: rgba(233,177,79,.14);
    border: 1px solid rgba(233,177,79,.32);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent);
}
.stat-number {
    font-size: clamp(2rem, 3vw, 2.7rem);
    font-weight: 900;
    color: var(--accent);
    line-height: 1.2;
}
.stat-label { font-size: .96rem; color: rgba(255,255,255,.72); margin-top: 6px; letter-spacing: .04em; }

/* ── 订阅 CTA ── */
.newsletter-section { padding: 90px 0; position: relative; }
.newsletter-box {
    background: linear-gradient(145deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    padding: 54px 50px;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.newsletter-box::before {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    right: -80px;
    top: -80px;
    border-radius: 50%;
    background: rgba(233,177,79,.18);
}
.newsletter-box .section-head { margin-bottom: 24px; }
.newsletter-box .section-head h2 { color: #fff; }
.newsletter-box .section-head p { color: rgba(255,255,255,.78); }
.newsletter-form { max-width: 540px; margin: 0 auto; display: flex; gap: 12px; position: relative; z-index: 2; flex-wrap: wrap; }
.newsletter-form input {
    flex: 1;
    min-width: 230px;
    border: none;
    border-radius: 40px;
    padding: 14px 22px;
    font-size: .94rem;
    background: rgba(255,255,255,.12);
    color: #fff;
    outline: none;
    border: 1px solid rgba(255,255,255,.24);
    transition: all var(--transition);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,.55); }
.newsletter-form input:focus { background: rgba(255,255,255,.18); border-color: var(--accent); }

/* ── FAQ ── */
.faq-section { padding: 40px 0 90px; }
.faq-accordion { max-width: 760px; margin: 0 auto; }
.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(14,31,61,.05);
    transition: all var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-header {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    font-weight: 700;
    font-size: .99rem;
    color: var(--text-main);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}
.faq-header .faq-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .74rem;
    flex-shrink: 0;
    transition: all var(--transition);
}
.faq-item[aria-expanded="true"] .faq-icon { transform: rotate(45deg); background: var(--accent); color: var(--primary-dark); }
.faq-body { padding: 0 24px 22px; font-size: .92rem; color: var(--text-muted); line-height: 1.8; }

/* ── 页脚 ── */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,.8); padding: 64px 0 0; margin-top: 20px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-size: 1.24rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand .brand-icon { background: rgba(233,177,79,.14); }
.site-footer p { font-size: .9rem; line-height: 1.8; color: rgba(255,255,255,.6); }
.site-footer h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}
.site-footer h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.site-footer ul { padding: 0; }
.site-footer ul li { margin-bottom: 10px; font-size: .9rem; }
.site-footer ul li a { color: rgba(255,255,255,.65); transition: all var(--transition); }
.site-footer ul li a:hover { color: var(--accent); padding-left: 5px; }
.footer-contact li i { color: var(--accent); margin-right: 8px; width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 44px; padding: 20px 0; text-align: center; font-size: .82rem; color: rgba(255,255,255,.42); }

/* ── 响应式 ── */
@media (max-width: 991.98px) {
    .navbar-collapse { background: #fff; border-radius: var(--radius-md); padding: 16px; margin-top: 12px; box-shadow: var(--shadow-lg); }
    .navbar .nav-link::after { display: none; }
    .navbar .nav-link { padding: 10px 16px !important; }
    .nav-cta { margin-top: 10px; text-align: center; display: block; }
    .hero-card { margin: 30px auto 0; max-width: 100%; }
    .page-hero { padding: 70px 0 60px; }
    .section { padding: 70px 0; }
    .newsletter-box { padding: 44px 34px; }
}
@media (max-width: 767.98px) {
    .page-hero h1 { font-size: 2rem; }
    .hero-actions .btn { width: 100%; }
    .section-head { margin-bottom: 36px; }
    .news-list-item { flex-wrap: wrap; gap: 10px; }
    .news-list-arrow { display: none; }
    .newsletter-form input { min-width: 100%; }
    .newsletter-form .btn { width: 100%; }
    .stats-band { padding: 70px 0; }
    .stat-item { padding: 16px 8px; }
}
@media (max-width: 520px) {
    body { font-size: 15px; }
    .navbar-brand { font-size: 1.08rem; }
    .brand-icon { width: 36px; height: 36px; font-size: 1rem; }
    .page-hero { padding: 56px 0 48px; }
    .hero-tag { padding: 5px 13px; font-size: .78rem; }
    .hero-card { padding: 20px; }
    .newsletter-box { padding: 38px 22px; border-radius: var(--radius-md); }
    .faq-header { font-size: .92rem; padding: 16px 18px; }
    .faq-body { padding: 0 18px 18px; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* roulang page: article */
:root {
            --primary: #16355d;
            --primary-light: #2d5f9e;
            --primary-dark: #0d2240;
            --accent: #f58a21;
            --accent-hover: #e67812;
            --bg: #f2f6fa;
            --white: #ffffff;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(22, 53, 93, 0.06);
            --shadow-md: 0 8px 30px rgba(22, 53, 93, 0.10);
            --shadow-lg: 0 16px 48px rgba(22, 53, 93, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        button {
            border: none;
            background: none;
            font: inherit;
            cursor: pointer;
        }
        input:focus,
        textarea:focus,
        button:focus,
        a:focus {
            outline: none;
        }
        .container {
            max-width: 1200px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }
        .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 1.22rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .navbar-brand:hover {
            color: var(--primary-dark);
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            box-shadow: 0 6px 18px rgba(22, 53, 93, 0.28);
            flex-shrink: 0;
        }
        .navbar .nav-link {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            padding: 8px 18px;
            border-radius: 10px;
            margin: 0 4px;
            transition: var(--transition);
        }
        .navbar .nav-link:hover {
            color: var(--primary);
            background: rgba(22, 53, 93, 0.06);
        }
        .navbar .nav-link.active {
            color: var(--primary);
            background: rgba(22, 53, 93, 0.08);
            font-weight: 700;
        }
        .navbar-toggler {
            border: none;
            padding: 6px 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-toggler .hamburger {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: var(--transition);
        }
        .navbar-toggler[aria-expanded="true"] .hamburger:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar-toggler[aria-expanded="true"] .hamburger:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler[aria-expanded="true"] .hamburger:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .btn-accent {
            background: linear-gradient(135deg, #ffb347, #f58220);
            color: #fff;
            border-radius: 12px;
            padding: 10px 24px;
            font-weight: 700;
            border: none;
            box-shadow: 0 6px 20px rgba(245, 130, 32, 0.35);
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(245, 130, 32, 0.45);
            color: #fff;
        }
        .btn-accent:active {
            transform: translateY(0);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 90px 0 110px;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat fixed;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 34, 64, 0.94), rgba(22, 53, 93, 0.78), rgba(45, 95, 158, 0.55));
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 22px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: opacity 0.3s;
        }
        .breadcrumb-custom a:hover {
            opacity: 0.8;
        }
        .breadcrumb-custom .sep {
            opacity: 0.5;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: clamp(1.6rem, 4vw, 2.5rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
            max-width: 860px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 22px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-meta i {
            color: var(--accent);
        }

        /* ===== Article Layout ===== */
        .page-section {
            padding: 80px 0;
        }
        .article-layout {
            margin-top: -50px;
            position: relative;
            z-index: 3;
        }
        .article-wrap {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }
        .article-body {
            padding: 48px 56px;
            font-size: 1.05rem;
            line-height: 2;
            color: var(--text);
        }
        .article-body h2,
        .article-body h3 {
            font-weight: 700;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .article-body h2 {
            font-size: 1.6rem;
        }
        .article-body h3 {
            font-size: 1.35rem;
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(245, 138, 33, 0.08);
            padding: 16px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--text-weak);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body a {
            color: var(--accent);
            font-weight: 600;
        }
        .article-body a:hover {
            text-decoration: underline;
        }
        .article-body table {
            width: 100%;
            margin: 20px 0;
            border-collapse: collapse;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--border);
            padding: 12px 16px;
        }
        .article-body th {
            background: rgba(22, 53, 93, 0.04);
            font-weight: 700;
        }

        .not-found-box {
            padding: 48px 24px;
            text-align: center;
        }
        .not-found-icon {
            width: 88px;
            height: 88px;
            margin: 0 auto 24px;
            background: rgba(245, 138, 33, 0.12);
            color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.2rem;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .not-found-box .text-muted {
            color: var(--text-weak) !important;
        }

        .article-footer-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .article-footer-nav a {
            padding: 8px 20px;
            border-radius: 10px;
            background: rgba(22, 53, 93, 0.05);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .article-footer-nav a:hover {
            background: rgba(22, 53, 93, 0.1);
            color: var(--accent);
            transform: translateX(4px);
        }

        /* ===== Sidebar ===== */
        .sidebar-widget {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 28px;
            border: 1px solid var(--border);
        }
        .sidebar-widget h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--bg);
            position: relative;
        }
        .sidebar-widget h3::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 36px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .widget-about p {
            color: var(--text-weak);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .sidebar-link-list {
            list-style: none;
        }
        .sidebar-link-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--bg);
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .sidebar-link-list a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .sidebar-link-list i {
            color: var(--accent);
            font-size: 0.85rem;
        }
        .sidebar-mini-card {
            background: rgba(22, 53, 93, 0.03);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            margin-bottom: 12px;
            border-left: 3px solid var(--accent);
        }
        .sidebar-mini-card:last-child {
            margin-bottom: 0;
        }
        .sidebar-mini-card .mini-title {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .sidebar-mini-card .mini-desc {
            color: var(--text-weak);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* ===== Related Section ===== */
        .related-section {
            background: var(--bg);
            padding: 80px 0;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-head .h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 0;
        }
        .section-sub {
            color: var(--text-weak);
            font-size: 0.95rem;
            margin-top: 6px;
        }
        .section-head-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .section-head-link:hover {
            color: var(--accent-hover);
        }
        .related-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .related-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .related-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .related-card:hover .related-cover img {
            transform: scale(1.05);
        }
        .related-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 34, 64, 0.4), transparent 60%);
        }
        .related-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 5px 14px;
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(245, 138, 33, 0.4);
        }
        .related-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .related-body h3 a {
            color: var(--primary);
        }
        .related-body h3 a:hover {
            color: var(--accent);
        }
        .related-body p {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .btn-outline-brand {
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: 10px;
            padding: 7px 18px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            display: inline-block;
            background: transparent;
            text-align: center;
            margin-top: auto;
            align-self: flex-start;
        }
        .btn-outline-brand:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            top: -100px;
            right: -80px;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            bottom: -80px;
            left: -60px;
        }
        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            font-size: 1.05rem;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            border-radius: 12px;
            padding: 12px 32px;
            font-weight: 700;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            transition: var(--transition);
            display: inline-block;
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
            color: var(--primary-dark);
        }
        .btn-outline-white {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            border-radius: 12px;
            padding: 10px 32px;
            font-weight: 700;
            transition: var(--transition);
            display: inline-block;
        }
        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--white);
            padding: 80px 0;
        }
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-button {
            font-weight: 700;
            color: var(--primary);
            background: var(--white);
            padding: 20px 24px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(22, 53, 93, 0.04);
            box-shadow: none;
            color: var(--accent);
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            width: auto;
            height: auto;
            color: var(--accent);
            transform: none;
            margin-left: auto;
            transition: var(--transition);
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .accordion-body {
            padding: 20px 24px;
            color: var(--text-weak);
            font-size: 0.95rem;
            line-height: 1.8;
            background: var(--white);
            border-top: 1px solid var(--bg);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 70px 0 0;
            position: relative;
            overflow: hidden;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.02);
            border-radius: 50%;
            top: -200px;
            right: -150px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 12px;
        }
        .site-footer ul a {
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }
        .site-footer ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.92rem;
        }
        .footer-contact i {
            color: var(--accent);
            width: 20px;
            margin-top: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            margin-top: 48px;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.88rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                padding: 16px 0;
            }
            .navbar-nav {
                align-items: flex-start !important;
                margin: 0 !important;
            }
            .nav-item {
                width: 100%;
            }
            .navbar .nav-link {
                padding-left: 0 !important;
            }
            .nav-cta {
                display: inline-block;
                margin-top: 14px;
            }
            .article-hero {
                padding: 60px 0 90px;
                background-attachment: scroll;
            }
            .article-body {
                padding: 36px;
            }
            .sidebar-widget {
                margin-top: 24px;
            }
        }
        @media (max-width: 767.98px) {
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 14px;
            }
            .article-body {
                padding: 28px 24px;
                font-size: 1rem;
            }
            .page-section {
                padding: 48px 0;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .section-head .h2 {
                font-size: 1.5rem;
            }
            .article-layout {
                margin-top: -30px;
            }
            .related-cover {
                height: 180px;
            }
        }
        @media (max-width: 575.98px) {
            .navbar-brand {
                font-size: 1rem;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
            .article-hero {
                padding: 44px 0 70px;
            }
            .breadcrumb-custom {
                font-size: 0.82rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .article-body {
                padding: 24px 18px;
            }
            .article-footer-nav {
                flex-direction: column;
                align-items: stretch;
            }
            .article-footer-nav a {
                text-align: center;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-white,
            .btn-outline-white {
                width: 100%;
                max-width: 320px;
            }
            .sidebar-widget {
                padding: 22px;
            }
        }

/* roulang page: category2 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #0f2a4a;
            --primary-light: #1a3a63;
            --accent: #e8622c;
            --accent-hover: #d4551f;
            --accent-light: #fff0e8;
            --secondary: #1b8a6b;
            --secondary-hover: #157a5e;
            --bg-light: #f5f7fa;
            --bg-white: #ffffff;
            --bg-dark: #0a1a2f;
            --text-main: #1e2a38;
            --text-body: #4a5a6a;
            --text-muted: #7a8a9a;
            --border: #e4e9f0;
            --border-light: #f0f2f6;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 42, 74, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 42, 74, 0.10);
            --shadow-lg: 0 20px 50px rgba(15, 42, 74, 0.16);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --spacing-section: 90px;
        }

        /* ============ 基础 Reset ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1080;
            box-shadow: 0 2px 20px rgba(15, 42, 74, 0.04);
        }

        .site-header .navbar {
            padding: 0;
            min-height: 76px;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            padding: 0;
        }

        .site-header .navbar-brand .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(15, 42, 74, 0.25);
        }

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            padding: 28px 20px;
            position: relative;
            letter-spacing: 0.3px;
        }

        .site-header .nav-link::after {
            content: "";
            position: absolute;
            bottom: 18px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width var(--transition);
        }

        .site-header .nav-link:hover,
        .site-header .nav-link.active {
            color: var(--primary);
        }

        .site-header .nav-link.active::after {
            width: 24px;
        }

        .site-header .btn-accent {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(232, 98, 44, 0.3);
        }

        .site-header .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 98, 44, 0.4);
        }

        .site-header .navbar-toggler {
            border: none;
            padding: 10px;
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--bg-light);
        }

        .site-header .navbar-toggler .hamburger {
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .site-header .navbar-toggler:hover {
            background: var(--accent-light);
        }

        .site-header .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        @media (max-width: 991.98px) {
            .site-header .navbar {
                min-height: 64px;
            }
            .site-header .nav-link {
                padding: 14px 0;
            }
            .site-header .nav-link::after {
                display: none;
            }
            .site-header .nav-cta {
                margin-top: 14px;
                display: inline-block;
                text-align: center;
            }
            .site-header .navbar-collapse {
                padding: 12px 0 18px;
                border-top: 1px solid var(--border-light);
                margin-top: 8px;
            }
            .site-header .nav-link.active {
                color: var(--accent);
                font-weight: 600;
            }
        }

        /* ============ Hero 区域 ============ */
        .page-hero {
            background: linear-gradient(135deg, rgba(10, 26, 47, 0.92) 0%, rgba(15, 42, 74, 0.78) 55%, rgba(232, 98, 44, 0.35) 100%),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            padding: 120px 0 100px;
            position: relative;
            overflow: hidden;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            padding: 6px 18px;
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .page-hero h1 {
            font-size: 52px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 18px;
        }

        .page-hero h1 span {
            color: var(--accent);
            position: relative;
        }

        .page-hero .lead {
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            line-height: 1.8;
            max-width: 600px;
            margin-bottom: 32px;
        }

        .page-hero .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-item .num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 80px 0 70px;
            }
            .page-hero h1 {
                font-size: 36px;
            }
            .page-hero .lead {
                font-size: 16px;
            }
            .hero-stat-item .num {
                font-size: 26px;
            }
        }

        /* ============ 通用板块标题 ============ */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background: var(--bg-light);
        }

        .section-head {
            margin-bottom: 45px;
        }

        .section-head .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-light);
            color: var(--accent);
            border-radius: 50px;
            padding: 5px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .section-head .sub-title {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 560px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 28px;
            }
        }

        /* ============ 指南分类卡片 ============ */
        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 30px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .guide-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .guide-card:hover::before {
            opacity: 1;
        }

        .guide-card .card-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }

        .guide-card .card-icon.i-blue {
            background: #eef4ff;
            color: #2a5cff;
        }

        .guide-card .card-icon.i-green {
            background: #ecfaf4;
            color: #0ea56e;
        }

        .guide-card .card-icon.i-orange {
            background: var(--accent-light);
            color: var(--accent);
        }

        .guide-card .card-icon.i-purple {
            background: #f3efff;
            color: #7b5bd6;
        }

        .guide-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .guide-card p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .guide-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .guide-card .card-link i {
            transition: transform var(--transition);
        }

        .guide-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ============ 热门指南文章 ============ */
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

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

        .article-card .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .article-card .article-cover .badge-date {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .article-card .article-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .article-card .article-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: color var(--transition);
        }

        .article-card .article-body h3 a:hover {
            color: var(--accent);
        }

        .article-card .article-body p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .article-card .article-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 16px;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }

        .article-card .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-card .article-meta i {
            font-size: 12px;
        }

        .article-card .article-meta .read-more {
            margin-left: auto;
            color: var(--accent);
            font-weight: 600;
        }

        .article-card .article-meta .read-more:hover {
            color: var(--accent-hover);
        }

        /* ============ 训练计划流程 ============ */
        .process-section {
            background: var(--bg-dark);
            color: #fff;
            position: relative;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .process-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 26, 47, 0.95) 0%, rgba(10, 26, 47, 0.85) 100%);
        }

        .process-section .container {
            position: relative;
            z-index: 1;
        }

        .process-section .section-head h2 {
            color: #fff;
        }

        .process-section .section-head .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .process-section .section-head .sub-title {
            color: rgba(255, 255, 255, 0.7);
        }

        .process-step {
            text-align: center;
            padding: 30px 20px;
            position: relative;
        }

        .process-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #ff8f5a);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(232, 98, 44, 0.35);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }

        .process-step::after {
            content: "→";
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 24px;
            color: rgba(255, 255, 255, 0.35);
        }

        .process-step:last-child::after {
            display: none;
        }

        @media (max-width: 991.98px) {
            .process-step::after {
                display: none;
            }
            .process-step {
                margin-bottom: 20px;
            }
        }

        /* ============ 安全知识 ============ */
        .safety-section {
            background: var(--bg-white);
        }

        .safety-card {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
            border-left: 4px solid var(--accent);
            transition: all var(--transition);
        }

        .safety-card:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--primary);
        }

        .safety-card .safety-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--accent-light);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 16px;
        }

        .safety-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .safety-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            margin: 0;
        }

        /* ============ 数据展示 ============ */
        .data-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 30px;
            text-align: center;
            height: 100%;
            transition: all var(--transition);
        }

        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .data-card .num {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .data-card .unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--accent);
        }

        .data-card .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg-light);
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            margin-bottom: 14px;
            overflow: hidden;
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-white);
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition);
            gap: 12px;
        }

        .faq-item .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--accent-light);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition);
        }

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            display: none;
        }

        .faq-item.active .faq-question {
            color: var(--accent);
        }

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

        .faq-item.active .faq-answer {
            display: block;
        }

        @media (max-width: 768px) {
            .faq-item .faq-question {
                padding: 16px;
                font-size: 15px;
            }
            .faq-item .faq-answer {
                padding: 0 16px 16px;
                font-size: 14px;
            }
        }

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

        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(232, 98, 44, 0.15);
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: 20%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 540px;
            margin: 0 auto 32px;
        }

        .cta-section .btn-cta-light {
            background: var(--accent);
            color: #fff;
            border: 2px solid var(--accent);
            border-radius: 50px;
            padding: 14px 38px;
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            box-shadow: 0 8px 24px rgba(232, 98, 44, 0.4);
        }

        .cta-section .btn-cta-light:hover {
            background: transparent;
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 28px;
            }
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
            position: relative;
        }

        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .site-footer h4 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .site-footer h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .site-footer .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .site-footer .footer-contact li i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
            margin-top: 45px;
            text-align: center;
        }

        .site-footer .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }

        @media (max-width: 991.98px) {
            .site-footer .col-lg-4 {
                margin-bottom: 30px;
            }
        }

        /* ============ 通用按钮焦点 ============ */
        .btn:focus,
        .btn:focus-visible {
            box-shadow: 0 0 0 4px rgba(232, 98, 44, 0.25);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
        }