/* roulang page: index */
:root {
            --primary: #1b2a4a;
            --primary-dark: #131e36;
            --primary-light: #2d4270;
            --accent: #c9a86a;
            --accent-hover: #b8944f;
            --bg: #f6f8fb;
            --bg-alt: #eef1f7;
            --white: #ffffff;
            --text: #1a1d24;
            --text-light: #677085;
            --text-lighter: #9aa4b5;
            --border: #e8ebf0;
            --border-light: #f1f3f6;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(27, 42, 74, .05);
            --shadow: 0 6px 24px rgba(27, 42, 74, .08);
            --shadow-lg: 0 12px 40px rgba(27, 42, 74, .14);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

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

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

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

        a:hover {
            color: var(--accent);
        }

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

        .container {
            max-width: 1240px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 88px 0;
        }

        .section-alt {
            background-color: var(--white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 168, 106, .12);
            color: var(--accent-hover);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-head .eyebrow i {
            font-size: 12px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -1px;
            margin-bottom: 14px;
            line-height: 1.25;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
        }

        .btn {
            border-radius: 10px;
            font-weight: 600;
            padding: 11px 28px;
            transition: var(--transition);
            font-size: 15px;
        }

        .btn-accent {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 168, 106, .35);
        }

        .btn-outline-light-custom {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .7);
            color: #fff;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-primary-custom {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .btn-primary-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(27, 42, 74, .25);
        }

        /* 顶部信息条 */
        .top-bar {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .78);
            font-size: 13px;
            padding: 8px 0;
            letter-spacing: .2px;
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 6px;
        }

        .top-bar a {
            color: rgba(255, 255, 255, .78);
            transition: var(--transition);
        }

        .top-bar a:hover {
            color: #fff;
        }

        .top-bar .top-left {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .top-bar .top-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar i {
            margin-right: 5px;
            font-size: 12px;
            opacity: .8;
        }

        @media (max-width: 576px) {
            .top-bar .top-right .divider {
                display: none;
            }
            .top-bar .top-right a:last-child {
                display: none;
            }
        }

        /* 主导航 */
        .site-nav {
            background: var(--white);
            box-shadow: 0 1px 0 rgba(0, 0, 0, .03), 0 4px 20px rgba(27, 42, 74, .04);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .site-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 24px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .site-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(27, 42, 74, .18);
        }

        .site-logo .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -.5px;
            line-height: 1.2;
        }

        .site-logo .logo-text span {
            color: var(--accent);
        }

        .site-logo .logo-sub {
            font-size: 11px;
            color: var(--text-lighter);
            letter-spacing: 2px;
            text-transform: uppercase;
            display: block;
            line-height: 1.2;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-menu .nav-link-custom {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            position: relative;
        }

        .nav-menu .nav-link-custom:hover {
            color: var(--primary);
            background: rgba(27, 42, 74, .04);
        }

        .nav-menu .nav-link-custom.active {
            color: var(--primary);
            background: rgba(27, 42, 74, .07);
            font-weight: 600;
        }

        .nav-menu .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .nav-cta {
            min-width: 200px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-cta .btn {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 8px;
        }

        .nav-search {
            position: relative;
            width: 180px;
        }

        .nav-search input {
            width: 100%;
            padding: 8px 14px 8px 36px;
            border-radius: 50px;
            border: 1px solid var(--border);
            background: var(--bg);
            font-size: 13px;
            transition: var(--transition);
            outline: none;
        }

        .nav-search input:focus {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(201, 168, 106, .15);
        }

        .nav-search i {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 13px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }

        .nav-toggle:hover {
            background: rgba(27, 42, 74, .05);
        }

        @media (max-width: 992px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px 20px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, .08);
                border-top: 1px solid var(--border-light);
                z-index: 999;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu .nav-link-custom {
                padding: 12px 14px;
                border-radius: 8px;
                font-size: 15px;
            }
            .nav-menu .nav-link-custom.active::after {
                bottom: 6px;
                left: 14px;
                transform: none;
                width: 24px;
            }
            .nav-cta {
                min-width: auto;
            }
            .nav-search {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .site-logo .logo-text {
                font-size: 19px;
            }
            .site-logo .logo-sub {
                font-size: 10px;
            }
            .site-nav .nav-inner {
                height: 62px;
            }
            .nav-cta .btn span {
                display: none;
            }
            .nav-cta .btn {
                padding: 8px 14px;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 120px 0 110px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(27, 42, 74, .94) 0%, rgba(27, 42, 74, .78) 50%, rgba(27, 42, 74, .45) 100%);
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, .95);
            margin-bottom: 24px;
            letter-spacing: .4px;
        }

        .hero .hero-badge i {
            color: var(--accent);
            font-size: 14px;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -1.5px;
            margin-bottom: 20px;
            color: #fff;
        }

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

        .hero .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .hero .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .hero .hero-actions .btn {
            padding: 13px 30px;
            font-size: 15px;
            border-radius: 12px;
        }

        .hero .hero-meta {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, .15);
        }

        .hero .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
        }

        .hero .hero-meta-item i {
            color: var(--accent);
            font-size: 16px;
        }

        @media (max-width: 768px) {
            .hero {
                padding: 80px 0 70px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero .hero-desc {
                font-size: 16px;
            }
            .hero .hero-actions .btn {
                padding: 11px 22px;
                font-size: 14px;
            }
        }

        @media (max-width: 576px) {
            .hero {
                padding: 60px 0 50px;
            }
            .hero h1 {
                font-size: 27px;
            }
            .hero .hero-actions .btn {
                width: 100%;
                text-align: center;
            }
            .hero .hero-meta {
                gap: 14px;
            }
        }

        /* 特色卡片 */
        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 168, 106, .3);
        }

        .feature-icon {
            width: 68px;
            height: 68px;
            border-radius: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 22px;
            background: linear-gradient(135deg, rgba(27, 42, 74, .08), rgba(201, 168, 106, .12));
            color: var(--primary);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent);
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .feature-card {
                padding: 28px 20px;
                margin-bottom: 16px;
            }
        }

        /* 分类入口卡片 */
        .category-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .category-card .card-img {
            height: 190px;
            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(to top, rgba(27, 42, 74, .35), transparent 50%);
        }

        .category-card .card-body {
            padding: 26px 24px 28px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201, 168, 106, .12);
            color: var(--accent-hover);
            font-size: 12px;
            font-weight: 600;
            border-radius: 50px;
            padding: 4px 12px;
            margin-bottom: 14px;
            width: fit-content;
        }

        .category-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .category-card p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 18px;
            flex-grow: 1;
            line-height: 1.7;
        }

        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .category-card .card-link i {
            transition: transform .3s ease;
            font-size: 13px;
        }

        .category-card .card-link:hover {
            color: var(--accent-hover);
        }

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

        @media (max-width: 768px) {
            .category-card {
                margin-bottom: 20px;
            }
            .category-card .card-img {
                height: 160px;
            }
        }

        /* 数据统计 */
        .stats-section {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0;
            color: #fff;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(27, 42, 74, .88);
        }

        .stats-section .container {
            position: relative;
            z-index: 2;
        }

        .stat-item {
            text-align: center;
            padding: 20px 10px;
        }

        .stat-item .stat-num {
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            letter-spacing: .5px;
        }

        @media (max-width: 768px) {
            .stats-section {
                padding: 50px 0;
            }
            .stat-item .stat-num {
                font-size: 30px;
            }
            .stat-item {
                margin-bottom: 20px;
            }
        }

        /* 最新信息 */
        .news-item-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 22px;
        }

        .news-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: rgba(201, 168, 106, .35);
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            flex-wrap: wrap;
        }

        .news-card .badge-custom {
            background: rgba(27, 42, 74, .08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
        }

        .news-card .news-date {
            font-size: 12px;
            color: var(--text-lighter);
        }

        .news-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }

        .news-card .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .news-link:hover {
            color: var(--accent-hover);
        }

        .news-card .news-link:hover i {
            transform: translateX(3px);
        }

        .news-card .news-link i {
            transition: transform .3s ease;
            font-size: 12px;
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
            color: var(--text-light);
        }

        .news-empty i {
            font-size: 40px;
            color: var(--border);
            margin-bottom: 14px;
            display: block;
        }

        @media (max-width: 768px) {
            .news-item-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 精选内容 */
        .showcase-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .showcase-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .showcase-card .showcase-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .showcase-card .showcase-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .showcase-card:hover .showcase-img img {
            transform: scale(1.07);
        }

        .showcase-card .showcase-img .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(27, 42, 74, .82);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 50px;
            border: none;
        }

        .showcase-card .showcase-body {
            padding: 24px 22px 26px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .showcase-card .showcase-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .showcase-card .showcase-body p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 16px;
            flex-grow: 1;
            line-height: 1.65;
        }

        .showcase-card .showcase-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-lighter);
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        @media (max-width: 768px) {
            .showcase-card {
                margin-bottom: 18px;
            }
        }

        /* FAQ */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: rgba(201, 168, 106, .3);
            box-shadow: var(--shadow);
        }

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

        .faq-item .faq-q:hover {
            color: var(--primary);
        }

        .faq-item .faq-q .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(27, 42, 74, .06);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 13px;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-item .faq-a {
            display: none;
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }

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

        @media (max-width: 576px) {
            .faq-item .faq-q {
                font-size: 15px;
                padding: 16px 18px;
            }
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 42, 74, .92), rgba(19, 30, 54, .7));
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
        }

        .cta-section h2 {
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -1px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, .82);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .cta-section .btn {
            padding: 14px 38px;
            font-size: 16px;
            border-radius: 12px;
        }

        .cta-section .cta-note {
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
        }

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

        /* 页脚 */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .68);
            padding: 60px 0 0;
            font-size: 14px;
        }

        .site-footer a {
            color: rgba(255, 255, 255, .68);
            transition: var(--transition);
        }

        .site-footer a:hover {
            color: var(--accent);
        }

        .site-footer .footer-brand {
            margin-bottom: 18px;
        }

        .site-footer .footer-brand .logo-text {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
        }

        .site-footer .footer-brand .logo-text span {
            color: var(--accent);
        }

        .site-footer .footer-about {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 0;
            max-width: 340px;
        }

        .site-footer .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .site-footer .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer .footer-links a i {
            font-size: 11px;
            opacity: .7;
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover i {
            transform: translateX(3px);
            opacity: 1;
        }

        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 13px;
        }

        .site-footer .footer-contact li i {
            color: var(--accent);
            font-size: 14px;
            width: 20px;
            text-align: center;
        }

        .site-footer .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, .08);
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, .4);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 0;
            }
            .site-footer .footer-brand,
            .site-footer .footer-about {
                margin-bottom: 20px;
            }
            .site-footer .footer-title {
                margin-top: 24px;
            }
        }

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

        /* 回到顶部 */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: var(--shadow-lg);
            transition: var(--transition);
            z-index: 990;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
        }

        .back-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-top:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
        }

        @media (max-width: 576px) {
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 38px;
                height: 38px;
                font-size: 14px;
            }
        }

        /* 板块内共同辅助类 */
        .text-muted-custom {
            color: var(--text-light);
        }

        .divider-custom {
            width: 56px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin: 0 auto 20px;
        }

/* roulang page: category1 */
:root {
  --primary: #0f2b46;
  --primary-light: #1b3a5c;
  --accent: #d4a64a;
  --accent-hover: #c2943a;
  --accent-soft: rgba(212, 166, 74, 0.12);
  --bg: #f4f6f9;
  --bg-light: #ffffff;
  --bg-dark: #0b1f33;
  --text: #1d2b3a;
  --text-muted: #5c6b7a;
  --text-light: #ffffff;
  --border: #e4e9ef;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(15, 43, 70, 0.08);
  --shadow-hover: 0 10px 34px rgba(15, 43, 70, 0.14);
  --spacing-section: 80px;
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input { font-family: inherit; outline: none; }
.container { max-width: 1200px; }

/* ===== 导航 ===== */
.site-nav {
  background: #ffffffdf;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1020;
  box-shadow: 0 1px 12px rgba(15, 43, 70, 0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}
.site-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), #e8c87a);
  color: #fff; font-size: 18px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(212, 166, 74, 0.35);
}
.logo-text {
  font-size: 20px; font-weight: 800; color: var(--primary);
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.logo-sub {
  display: block; font-size: 10px; font-weight: 600;
  letter-spacing: 3px; color: var(--accent);
}
.nav-menu { display: flex; gap: 6px; align-items: center; margin: 0; padding: 0; list-style: none; }
.nav-menu a {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  border: 1px solid transparent;
}
.nav-menu a:hover { color: var(--primary); background: var(--accent-soft); }
.nav-menu a.active { color: var(--primary); background: var(--accent-soft); border-color: rgba(212,166,74,0.25); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-search {
  display: flex; align-items: center;
  background: #f0f3f7;
  border-radius: 30px;
  padding: 4px 8px 4px 14px;
  border: 1px solid transparent;
  transition: var(--transition);
}
.nav-search:focus-within { border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px rgba(212,166,74,0.12); }
.nav-search i { color: var(--text-muted); font-size: 14px; margin-right: 8px; }
.nav-search input { border: none; background: transparent; width: 120px; font-size: 14px; color: var(--text); }
.nav-search input::placeholder { color: #9aa8b5; }
.nav-toggle {
  display: none; background: transparent; border: 1px solid var(--border);
  border-radius: 8px; width: 42px; height: 40px; font-size: 18px; color: var(--primary);
  cursor: pointer;
}
.nav-toggle:hover { background: var(--accent-soft); border-color: var(--accent); }

/* 按钮 */
.btn { border-radius: 30px; font-weight: 600; padding: 9px 22px; font-size: 15px; border: none; transition: var(--transition); }
.btn-accent { background: linear-gradient(135deg, var(--accent), #e0bb6d); color: #fff; box-shadow: 0 4px 14px rgba(212,166,74,0.35); }
.btn-accent:hover, .btn-accent:focus { background: linear-gradient(135deg, var(--accent-hover), var(--accent)); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 22px rgba(212,166,74,0.4); }
.btn-primary-solid { background: var(--primary); color: #fff; }
.btn-primary-solid:hover, .btn-primary-solid:focus { background: var(--primary-light); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text); }
.btn-outline:hover, .btn-outline:focus { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.btn-lg { padding: 13px 32px; font-size: 16px; }

/* ===== Banner ===== */
.page-banner {
  position: relative;
  background: linear-gradient(135deg, rgba(11,31,51,0.94), rgba(15,43,70,0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 72px 0 64px;
  color: #fff;
}
.page-banner .breadcrumb { color: rgba(255,255,255,0.7); font-size: 14px; margin-bottom: 14px; }
.page-banner .breadcrumb a { color: rgba(255,255,255,0.8); }
.page-banner .breadcrumb a:hover { color: var(--accent); }
.page-banner h1 { font-size: 44px; font-weight: 800; letter-spacing: 1px; margin-bottom: 14px; }
.page-banner h1 span { color: var(--accent); }
.page-banner p { font-size: 16px; color: rgba(255,255,255,0.8); max-width: 620px; margin-bottom: 26px; }
.banner-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); padding: 6px 16px; border-radius: 30px; font-size: 13px; color: #f0d69a; margin-bottom: 20px; }

/* ===== 通用板块 ===== */
.section { padding: var(--spacing-section) 0; }
.section-alt { background: #fff; }
.section-head { margin-bottom: 40px; }
.section-head .sec-tag { display: inline-block; color: var(--accent); background: var(--accent-soft); padding: 5px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 12px; }
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.section-head p { color: var(--text-muted); font-size: 15px; max-width: 560px; }

/* 卡片 */
.card-layer { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); transition: var(--transition); height: 100%; overflow: hidden; }
.card-layer:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(212,166,74,0.4); }
.card-media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card-layer:hover .card-media img { transform: scale(1.05); }
.card-media .date { position: absolute; left: 14px; bottom: 14px; background: rgba(11,31,51,0.75); backdrop-filter: blur(4px); color: #fff; font-size: 12px; padding: 4px 12px; border-radius: 20px; }
.card-body-custom { padding: 22px; }
.card-body-custom .card-title { font-size: 18px; font-weight: 700; color: var(--primary); line-height: 1.5; margin-bottom: 8px; }
.card-body-custom .card-text { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; }
.card-meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--text-muted); }
.card-meta i { color: var(--accent); margin-right: 4px; }
.tag { display: inline-block; font-size: 12px; background: var(--accent-soft); color: var(--accent-hover); border-radius: 4px; padding: 2px 10px; font-weight: 600; margin-right: 6px; }

/* 标签列表 */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud a { display: inline-flex; align-items: center; gap: 6px; padding: 8px 18px; background: #fff; border: 1px solid var(--border); border-radius: 30px; font-size: 14px; color: var(--text-muted); }
.tag-cloud a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); transform: translateY(-2px); }
.tag-cloud a i { font-size: 13px; color: var(--accent); }

/* 特色列表 */
.feature-item { display: flex; gap: 16px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 20px 22px; transition: var(--transition); }
.feature-item:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.feature-index { width: 40px; height: 40px; flex-shrink: 0; background: var(--primary); color: #fff; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; }
.feature-item h5 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.feature-item p { font-size: 14px; color: var(--text-muted); margin: 0; }

/* 热门文章列表 */
.hot-list { display: flex; flex-direction: column; gap: 12px; }
.hot-list a { display: flex; align-items: center; gap: 14px; background: #fff; padding: 14px 18px; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.hot-list a:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateX(4px); }
.hot-rank { width: 30px; height: 30px; border-radius: 8px; background: var(--accent-soft); color: var(--accent-hover); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; flex-shrink: 0; }
.hot-list a:nth-child(1) .hot-rank { background: var(--accent); color: #fff; }
.hot-list .hot-text { flex: 1; font-size: 14px; color: var(--text); font-weight: 500; line-height: 1.4; }
.hot-list .hot-time { font-size: 12px; color: var(--text-muted); flex-shrink: 0; }

/* FAQ */
.accordion-item { border: 1px solid var(--border); border-radius: var(--radius-sm) !important; margin-bottom: 12px; overflow: hidden; background: #fff; }
.accordion-button { background: #fff; color: var(--text); font-weight: 600; font-size: 15px; padding: 18px 22px; box-shadow: none !important; }
.accordion-button:not(.collapsed) { background: var(--accent-soft); color: var(--primary); }
.accordion-button::after { color: var(--accent); }
.accordion-body { padding: 18px 22px; color: var(--text-muted); font-size: 14px; }

/* CTA */
.cta-block {
  background: linear-gradient(135deg, rgba(11,31,51,0.95), rgba(15,43,70,0.88)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-radius: 24px;
  padding: 52px 48px;
  color: #fff;
  text-align: center;
}
.cta-block h3 { font-size: 26px; font-weight: 800; margin-bottom: 10px; }
.cta-block p { color: rgba(255,255,255,0.8); max-width: 540px; margin: 0 auto 22px; }

/* 页脚 */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.75); padding-top: 60px; }
.site-footer .footer-brand { margin-bottom: 14px; }
.site-footer .logo-text { color: #fff; font-size: 22px; }
.site-footer .logo-text span { color: var(--accent); }
.footer-about { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-bottom: 18px; max-width: 320px; }
.footer-title { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 3px; background: var(--accent); border-radius: 2px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 14px; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-links i { color: var(--accent); margin-right: 6px; font-size: 12px; }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: rgba(255,255,255,0.6); font-size: 14px; }
.footer-contact i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 0; margin-top: 30px; }
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 13px; }

/* 响应式 */
@media (max-width: 991px) {
  .nav-menu {
    position: absolute; top: 72px; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: stretch; padding: 12px 20px;
    border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
    display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-search { display: none; }
  .page-banner { padding: 52px 0; }
  .page-banner h1 { font-size: 34px; }
  .section { --spacing-section: 54px; }
  .section-head h2 { font-size: 26px; }
  .cta-block { padding: 38px 24px; }
}
@media (max-width: 767px) {
  .page-banner h1 { font-size: 28px; }
  .page-banner p { font-size: 14px; }
  .btn-lg { padding: 11px 24px; font-size: 14px; }
  .section-head { margin-bottom: 26px; }
  .feature-item { flex-direction: column; }
  .cta-block h3 { font-size: 21px; }
}
@media (max-width: 520px) {
  .site-logo .logo-text { font-size: 17px; }
  .nav-inner { min-height: 64px; }
  .logo-icon { width: 34px; height: 34px; font-size: 15px; }
  .btn-accent span { display: none; }
  .page-banner h1 { font-size: 24px; }
  .page-banner .banner-badge { font-size: 12px; }
  .card-body-custom { padding: 16px; }
  .card-body-custom .card-title { font-size: 16px; }
}

/* roulang page: article */
:root {
            --brand: #f0a035;
            --brand-dark: #d9861a;
            --brand-deep: #a86508;
            --brand-soft: #fff7e8;
            --navy: #182334;
            --navy-2: #22314a;
            --ink: #1f2937;
            --muted: #64748b;
            --bg-soft: #f7f9fc;
            --line: #e9edf3;
            --white: #ffffff;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 14px rgba(24, 35, 52, .06);
            --shadow-md: 0 14px 36px rgba(24, 35, 52, .10);
            --shadow-lg: 0 24px 60px rgba(24, 35, 52, .14);
            --transition: .28s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--ink);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1220px;
        }

        section {
            position: relative;
        }

        .btn {
            border-radius: 12px;
            font-weight: 600;
            padding: .65rem 1.35rem;
            font-size: .97rem;
            transition: all var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
        }

        .btn-brand {
            background: linear-gradient(135deg, var(--brand), var(--brand-dark));
            color: #fff;
            box-shadow: 0 8px 22px rgba(240, 160, 53, .34);
        }

        .btn-brand:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(240, 160, 53, .45);
        }

        .btn-light {
            background: #fff;
            color: var(--navy);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
        }

        .btn-light:hover {
            background: var(--brand-soft);
            color: var(--brand-deep);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .85);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .nav-link-custom:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(240, 160, 53, .5);
            outline-offset: 2px;
        }

        .section-pad {
            padding: 96px 0;
        }

        .section-head {
            max-width: 720px;
            margin: 0 auto 48px;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            background: var(--brand-soft);
            color: var(--brand-deep);
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: .08em;
            padding: .35rem 1rem;
            border-radius: 999px;
            margin-bottom: .85rem;
        }

        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--navy);
            line-height: 1.3;
            margin: 0 0 .6rem;
        }

        .section-sub {
            color: var(--muted);
            font-size: 1.02rem;
            margin: 0;
        }

        /* ===== Header / Nav ===== */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--line);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            gap: 1rem;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: .65rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--brand), var(--brand-deep));
            border-radius: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            box-shadow: 0 8px 18px rgba(240, 160, 53, .35);
        }

        .logo-text {
            font-size: 1.28rem;
            font-weight: 800;
            color: var(--navy);
            line-height: 1.05;
            display: flex;
            flex-direction: column;
        }

        .logo-sub {
            font-size: .58rem;
            font-weight: 600;
            letter-spacing: .22em;
            color: var(--muted);
            margin-top: .22rem;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: .25rem;
        }

        .nav-menu .nav-link-custom {
            display: inline-block;
            padding: .55rem 1.05rem;
            border-radius: 10px;
            font-weight: 600;
            font-size: .95rem;
            color: var(--ink);
            background: transparent;
            border: none;
        }

        .nav-menu .nav-link-custom:hover {
            background: var(--brand-soft);
            color: var(--brand-deep);
        }

        .nav-menu .nav-link-custom.active {
            background: var(--brand-soft);
            color: var(--brand-deep);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: .8rem;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-soft);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: .1rem .4rem .1rem .8rem;
            width: 190px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .nav-search i {
            color: var(--muted);
            font-size: .85rem;
            margin-right: .4rem;
        }

        .nav-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: .88rem;
            width: 100%;
            color: var(--ink);
            padding: .35rem .2rem;
        }

        .nav-cta .btn {
            padding: .5rem 1.15rem;
            font-size: .88rem;
            border-radius: 999px;
            white-space: nowrap;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--line);
            background: var(--white);
            border-radius: 12px;
            color: var(--navy);
            font-size: 1.05rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            padding: 80px 0 70px;
            isolation: isolate;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(16, 24, 40, .82) 0%, rgba(16, 24, 40, .62) 45%, rgba(16, 24, 40, .28) 100%);
            z-index: -1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
        }

        .banner-tag {
            display: inline-block;
            color: #fff;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: .35rem 1rem;
            border-radius: 999px;
            font-size: .8rem;
            letter-spacing: .06em;
            margin-bottom: 1rem;
        }

        .page-banner h1 {
            color: #fff;
            font-size: clamp(1.8rem, 3.4vw, 2.7rem);
            font-weight: 800;
            line-height: 1.32;
            max-width: 900px;
            margin: 0 0 1.2rem;
        }

        .page-banner .page-meta {
            display: flex;
            flex-wrap: wrap;
            gap: .6rem;
        }

        .banner-meta-item {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            color: rgba(255, 255, 255, .86);
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 999px;
            font-size: .82rem;
            padding: .3rem .9rem;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: .5rem;
            color: rgba(255, 255, 255, .7);
            font-size: .85rem;
            margin-bottom: 1.3rem;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, .9);
        }

        .breadcrumb-nav a:hover {
            color: var(--brand);
        }

        .breadcrumb-nav span {
            color: rgba(255, 255, 255, .45);
        }

        /* ===== Article Section ===== */
        .article-section {
            padding: 68px 0 88px;
            background: var(--bg-soft);
        }

        .article-entry-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: clamp(1.4rem, 3vw, 2.8rem);
            box-shadow: var(--shadow-sm);
        }

        .article-meta-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: .6rem;
            margin-bottom: 1.6rem;
            padding-bottom: 1.4rem;
            border-bottom: 1px solid var(--line);
        }

        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            background: var(--brand-soft);
            color: var(--brand-deep);
            font-size: .8rem;
            font-weight: 600;
            border-radius: 999px;
            padding: .3rem .9rem;
        }

        .badge-line {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            background: var(--bg-soft);
            color: var(--muted);
            font-size: .8rem;
            font-weight: 500;
            border-radius: 999px;
            padding: .3rem .9rem;
        }

        .article-entry {
            font-size: 1.04rem;
            line-height: 1.95;
            color: #334155;
        }

        .article-entry > p {
            margin: 0 0 1.3rem;
        }

        .article-entry h2 {
            font-size: 1.58rem;
            font-weight: 800;
            color: var(--navy);
            margin: 2.2rem 0 1rem;
            padding-left: 1rem;
            border-left: 4px solid var(--brand);
            line-height: 1.4;
        }

        .article-entry h3 {
            font-size: 1.28rem;
            font-weight: 700;
            color: var(--navy);
            margin: 1.8rem 0 .8rem;
        }

        .article-entry h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--navy);
            margin: 1.5rem 0 .6rem;
        }

        .article-entry img {
            border-radius: 16px;
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
            width: 100%;
            object-fit: cover;
        }

        .article-entry blockquote {
            background: var(--brand-soft);
            border-left: 4px solid var(--brand);
            border-radius: 0 14px 14px 0;
            padding: 1rem 1.4rem;
            margin: 1.6rem 0;
            color: #4b5668;
            font-size: .98rem;
        }

        .article-entry ul,
        .article-entry ol {
            padding-left: 1.4rem;
            margin: 0 0 1.3rem;
        }

        .article-entry li {
            margin-bottom: .35rem;
        }

        .article-entry a {
            color: var(--brand-deep);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-entry a:hover {
            color: var(--brand-dark);
        }

        .not-found-block {
            text-align: center;
            padding: 64px 24px;
        }

        .not-found-icon {
            width: 74px;
            height: 74px;
            margin: 0 auto 1.2rem;
            background: var(--brand-soft);
            color: var(--brand-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.7rem;
        }

        .not-found-block h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--navy);
        }

        .not-found-block p {
            color: var(--muted);
            margin-bottom: 1.4rem;
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            position: sticky;
            top: 96px;
        }

        .sidebar-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 1.6rem;
            box-shadow: var(--shadow-sm);
            margin-bottom: 1.4rem;
        }

        .sidebar-title {
            font-size: 1.06rem;
            font-weight: 800;
            color: var(--navy);
            display: flex;
            align-items: center;
            gap: .55rem;
            margin-bottom: 1.2rem;
            padding-bottom: .8rem;
            border-bottom: 1px solid var(--line);
        }

        .sidebar-title i {
            color: var(--brand);
        }

        .category-list {
            display: flex;
            flex-direction: column;
            gap: .7rem;
        }

        .category-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--bg-soft);
            border: 1px solid transparent;
            border-radius: 14px;
            padding: .8rem 1rem;
            color: var(--ink);
            font-weight: 600;
            font-size: .92rem;
            transition: all var(--transition);
        }

        .category-list a i:first-child {
            color: var(--brand);
            width: 22px;
        }

        .category-list a:hover {
            background: var(--brand-soft);
            border-color: rgba(240, 160, 53, .25);
            color: var(--brand-deep);
            transform: translateX(4px);
        }

        .side-recommend-list {
            display: flex;
            flex-direction: column;
            gap: .9rem;
        }

        .side-recommend-item {
            display: flex;
            gap: .85rem;
            align-items: center;
            padding: .7rem;
            border-radius: 14px;
            transition: all var(--transition);
        }

        .side-recommend-item img {
            width: 80px;
            height: 60px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }

        .side-recommend-item h5 {
            font-size: .93rem;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 .2rem;
            line-height: 1.4;
        }

        .side-recommend-item p {
            font-size: .8rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        .side-recommend-item:hover {
            background: var(--bg-soft);
            transform: translateY(-2px);
        }

        .contact-widget {
            background: linear-gradient(145deg, var(--navy), var(--navy-2));
            border: none;
            color: #fff;
        }

        .contact-widget-inner {
            text-align: center;
            padding: .5rem;
        }

        .contact-widget-inner i {
            font-size: 2.2rem;
            color: var(--brand);
            margin-bottom: .8rem;
        }

        .contact-widget-inner h4 {
            font-size: 1.18rem;
            font-weight: 800;
            margin-bottom: .5rem;
        }

        .contact-widget-inner p {
            color: rgba(255, 255, 255, .72);
            font-size: .88rem;
            margin-bottom: 1.1rem;
        }

        /* ===== Related ===== */
        .related-section {
            padding: 88px 0;
            background: var(--white);
        }

        .related-grid .topic-card {
            height: 100%;
        }

        .topic-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240, 160, 53, .35);
        }

        .topic-card .cover-wrap {
            position: relative;
            overflow: hidden;
            height: 190px;
        }

        .topic-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .topic-card:hover .cover-wrap img {
            transform: scale(1.06);
        }

        .topic-card .cover-tag {
            position: absolute;
            left: 14px;
            top: 14px;
            background: rgba(24, 35, 52, .72);
            color: #fff;
            border-radius: 999px;
            font-size: .76rem;
            padding: .22rem .8rem;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, .18);
        }

        .topic-card .card-body {
            padding: 1.4rem 1.4rem 1.6rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .topic-card h3 {
            font-size: 1.12rem;
            font-weight: 800;
            color: var(--navy);
            line-height: 1.5;
            margin-bottom: .6rem;
        }

        .topic-card p {
            color: var(--muted);
            font-size: .9rem;
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }

        .topic-card .card-link {
            color: var(--brand-deep);
            font-weight: 700;
            font-size: .88rem;
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }

        .topic-card .card-link:hover {
            gap: .65rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 88px 0;
            background: var(--bg-soft);
        }

        .faq-left {
            padding-right: 2rem;
        }

        .faq-left h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--navy);
            margin: .5rem 0 1rem;
        }

        .faq-left p {
            color: var(--muted);
            margin-bottom: 1.4rem;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: .9rem;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 0 1.3rem;
            transition: all var(--transition);
            overflow: hidden;
        }

        .faq-item.open {
            border-color: rgba(240, 160, 53, .4);
            box-shadow: var(--shadow-sm);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 0;
            cursor: pointer;
            font-weight: 700;
            color: var(--navy);
            font-size: .98rem;
            user-select: none;
        }

        .faq-q i {
            color: var(--brand);
            font-size: .85rem;
            transition: transform .3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-q i {
            transform: rotate(45deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            color: var(--muted);
            font-size: .92rem;
            line-height: 1.8;
            transition: max-height .35s ease, padding .35s ease;
        }

        .faq-item.open .faq-a {
            max-height: 320px;
            padding-bottom: 1.1rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 96px 0;
            background-size: cover;
            background-position: center;
            isolation: isolate;
            text-align: center;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(16, 24, 40, .86), rgba(16, 24, 40, .7));
            z-index: -1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            margin: 0 auto;
            color: #fff;
        }

        .cta-content .section-tag {
            background: rgba(240, 160, 53, .18);
            color: var(--brand);
            border: 1px solid rgba(240, 160, 53, .3);
        }

        .cta-content h2 {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            margin: 0 0 1rem;
        }

        .cta-content p {
            color: rgba(255, 255, 255, .78);
            font-size: 1.02rem;
            margin-bottom: 2rem;
        }

        .cta-btns {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: .9rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--navy);
            color: rgba(255, 255, 255, .72);
            padding-top: 72px;
        }

        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-brand .logo-text span {
            color: var(--brand);
        }

        .footer-about {
            color: rgba(255, 255, 255, .6);
            font-size: .9rem;
            line-height: 1.8;
            margin: .8rem 0 0;
            max-width: 320px;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: .6rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .62);
            font-size: .9rem;
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }

        .footer-links a:hover {
            color: var(--brand);
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: .6rem;
            font-size: .88rem;
            margin-bottom: .7rem;
            color: rgba(255, 255, 255, .62);
        }

        .footer-contact i {
            color: var(--brand);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            margin-top: 56px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 1.4rem 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: .85rem;
            color: rgba(255, 255, 255, .5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-search {
                width: 150px;
            }

            .nav-menu .nav-link-custom {
                padding: .5rem .75rem;
                font-size: .9rem;
            }

            .page-banner {
                min-height: 320px;
                padding: 60px 0;
            }
        }

        @media (max-width: 768px) {
            .nav-inner {
                min-height: 66px;
                flex-wrap: wrap;
            }

            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: .4rem;
                background: var(--white);
                padding: .8rem;
                border-radius: 16px;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--line);
                margin-bottom: .8rem;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-cta {
                margin-left: auto;
            }

            .nav-search {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .article-sidebar {
                position: static;
                margin-top: 1rem;
            }

            .faq-left {
                padding-right: 0;
                margin-bottom: 2rem;
            }

            .section-pad,
            .related-section,
            .faq-section,
            .cta-section {
                padding: 64px 0;
            }

            .article-section {
                padding: 40px 0 64px;
            }

            .topic-card .cover-wrap {
                height: 220px;
            }
        }

        @media (max-width: 520px) {
            .nav-cta .btn span {
                display: none;
            }

            .nav-cta .btn {
                padding: .5rem .8rem;
            }

            .page-banner {
                min-height: 280px;
            }

            .article-entry-card {
                padding: 1.3rem;
            }

            .topic-card .cover-wrap {
                height: 210px;
            }

            .cta-btns .btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #6366f1;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg-body: #f8fafc;
  --bg-white: #ffffff;
  --bg-soft: #eef2ff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border-color: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 4px 24px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 12px 36px rgba(79, 70, 229, 0.12);
  --transition: all .3s ease;
}

/* ========== 基础 Reset ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button,
input {
  font-family: inherit;
  border: none;
  outline: none;
}
ul,
ol {
  list-style: none;
}

/* ========== 容器 ========== */
.container {
  max-width: 1280px;
}

/* ========== 顶部导航 ========== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  box-shadow: 0 1px 12px rgba(15, 23, 42, 0.04);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 12px;
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
  letter-spacing: 0.5px;
}
.logo-sub {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link-custom {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 10px;
  transition: var(--transition);
  position: relative;
}
.nav-link-custom:hover {
  color: var(--primary);
  background: var(--bg-soft);
}
.nav-link-custom.active {
  color: var(--primary);
  font-weight: 600;
  background: var(--bg-soft);
}
.nav-link-custom.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f1f5f9;
  border-radius: 10px;
  padding: 8px 14px;
  color: var(--text-light);
  border: 1px solid transparent;
  transition: var(--transition);
  width: 180px;
}
.nav-search:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}
.nav-search input {
  background: transparent;
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--text-main);
  width: 100%;
}
.nav-search input::placeholder {
  color: var(--text-light);
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  color: #1e293b;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  padding: 10px 20px;
  font-size: 14px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
  color: #1e293b;
}
.nav-toggle {
  display: none;
  background: transparent;
  font-size: 22px;
  color: var(--text-main);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle:hover {
  background: #f1f5f9;
}

/* ========== 页面 Hero ========== */
.page-hero {
  position: relative;
  padding: 90px 0 80px;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 55%, #4338ca 100%);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  mix-blend-mode: screen;
}
.page-hero::after {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 70%);
  pointer-events: none;
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}
.hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}
.hero-breadcrumb a:hover {
  color: #fbbf24;
}
.hero-breadcrumb i {
  font-size: 12px;
}
.hero-title {
  font-size: 44px;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.hero-title span {
  color: #fbbf24;
}
.hero-subtitle {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  line-height: 1.7;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.9);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 13px;
  backdrop-filter: blur(8px);
}
.hero-tag i {
  color: #fbbf24;
  font-size: 12px;
}

/* ========== 通用板块 ========== */
.section {
  padding: 90px 0;
}
.section-alt {
  background: #fff;
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 30px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ========== 分类特点卡片 ========== */
.feature-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.feature-card:hover::after {
  opacity: 1;
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--bg-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}
.feature-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}
.feature-card .feature-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 40px;
  font-weight: 800;
  color: #f1f5f9;
  line-height: 1;
}

/* ========== 教程卡片 ========== */
.tutorial-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.tutorial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.tutorial-cover {
  position: relative;
  height: 210px;
  overflow: hidden;
}
.tutorial-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.tutorial-card:hover .tutorial-cover img {
  transform: scale(1.06);
}
.tutorial-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.25), transparent 50%);
}
.tutorial-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(4px);
}
.tutorial-time {
  position: absolute;
  bottom: 12px;
  right: 14px;
  z-index: 2;
  background: rgba(15, 23, 42, 0.55);
  color: #fff;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}
.tutorial-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.tutorial-cate {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.tutorial-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-main);
}
.tutorial-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
  flex: 1;
}
.tutorial-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #f1f5f9;
  padding-top: 16px;
}
.tutorial-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.tutorial-author .avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 12px;
}
.tutorial-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.tutorial-link:hover {
  color: var(--primary-dark);
  gap: 8px;
}
.tutorial-link i {
  font-size: 12px;
  transition: var(--transition);
}

/* ========== 流程步骤 ========== */
.process-section {
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
}
.process-section .section-tag {
  background: rgba(255, 255, 255, 0.12);
  color: #c7d2fe;
}
.process-section .section-title {
  color: #fff;
}
.process-section .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}
.step-wrapper {
  position: relative;
  z-index: 2;
}
.step-item {
  text-align: center;
  padding: 0 12px;
  position: relative;
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  color: #1e293b;
  font-size: 19px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
  position: relative;
  z-index: 2;
}
.step-item::before {
  content: '';
  position: absolute;
  top: 28px;
  left: -50%;
  right: 50%;
  height: 2px;
  background: rgba(255, 255, 255, 0.15);
  z-index: 1;
}
.step-item:first-child::before {
  display: none;
}
.step-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.step-item p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin: 0;
}

/* ========== 技巧 & 注意事项 ========== */
.tip-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 32px;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.tip-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.tip-card.warning {
  border-left: 4px solid var(--accent);
}
.tip-card.success {
  border-left: 4px solid var(--primary);
}
.tip-card .tip-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}
.tip-card.success .tip-icon {
  background: var(--bg-soft);
  color: var(--primary);
}
.tip-card.warning .tip-icon {
  background: #fffbeb;
  color: var(--accent);
}
.tip-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}
.tip-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}
.tip-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.tip-list li {
  padding: 8px 0;
  border-bottom: 1px dashed #f1f5f9;
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.tip-list li:last-child {
  border-bottom: none;
}
.tip-list li i {
  color: var(--primary);
  font-size: 13px;
  margin-top: 3px;
}

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: #c7d2fe;
}
.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.08);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px;
  cursor: pointer;
  background: #fff;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question i {
  color: var(--primary);
  font-size: 14px;
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.7;
}
.faq-answer-inner {
  padding-bottom: 20px;
}

/* ========== CTA 区块 ========== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: -120px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 70%);
}
.cta-box {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-box h2 {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.cta-box p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 30px;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  font-size: 16px;
  padding: 14px 36px;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  transition: var(--transition);
}
.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  color: var(--primary-dark);
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding-top: 70px;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 22px;
}
.footer-brand .logo-text span {
  color: #fbbf24;
}
.footer-about {
  font-size: 14px;
  line-height: 1.8;
  color: #94a3b8;
  margin: 18px 0 0;
  max-width: 320px;
}
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #94a3b8;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-links a i {
  font-size: 11px;
  color: var(--primary-light);
}
.footer-contact {
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: #94a3b8;
}
.footer-contact i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 22px 0;
  margin-top: 50px;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: #64748b;
}

/* ========== 移动端响应式 ========== */
@media (max-width: 1024px) {
  .nav-search {
    display: none;
  }
  .nav-cta .btn-accent {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-120%);
    transition: var(--transition);
    border-radius: 0 0 16px 16px;
    z-index: 999;
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .nav-link-custom {
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 10px;
    border-bottom: 1px solid #f1f5f9;
  }
  .nav-link-custom:last-child {
    border-bottom: none;
  }
  .nav-link-custom.active::after {
    display: none;
  }
  .nav-link-custom.active {
    background: var(--bg-soft);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .section-title {
    font-size: 28px;
  }
  .step-item::before {
    display: none;
  }
  .cta-box h2 {
    font-size: 28px;
  }
  .tutorial-cover {
    height: 180px;
  }
}

@media (max-width: 520px) {
  .site-logo .logo-text {
    font-size: 17px;
  }
  .site-logo .logo-sub {
    display: none;
  }
  .nav-inner {
    min-height: 64px;
  }
  .hero-title {
    font-size: 28px;
  }
  .hero-subtitle {
    font-size: 14px;
  }
  .hero-tags {
    gap: 6px;
  }
  .hero-tag {
    font-size: 12px;
    padding: 4px 10px;
  }
  .section-title {
    font-size: 24px;
  }
  .section-subtitle {
    font-size: 14px;
  }
  .feature-card {
    padding: 24px 20px;
  }
  .tutorial-body {
    padding: 18px;
  }
  .faq-question {
    padding: 16px 18px;
    font-size: 14px;
  }
  .faq-answer {
    padding: 0 18px;
  }
  .cta-btn {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: category3 */
:root{
  --primary:#0b1526;
  --primary-light:#14233a;
  --accent:#e8a33d;
  --accent-hover:#d18f2c;
  --accent-soft:#fff5e6;
  --success:#1eae7a;
  --bg-light:#f6f8fb;
  --bg-white:#ffffff;
  --text:#1f2937;
  --text-muted:#6b7280;
  --border:#e8ecf1;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 4px 20px rgba(11,21,38,.06);
  --shadow-md:0 12px 40px rgba(11,21,38,.10);
  --shadow-accent:0 10px 30px rgba(232,163,61,.28);
  --transition:.3s ease;
}
*{box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg-white);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto}
.container{max-width:1220px}
.row{margin-right:0;margin-left:0}
.text-muted{color:var(--text-muted)!important}
.site-nav{background:var(--primary);padding:0;position:sticky;top:0;z-index:1050;box-shadow:0 6px 20px rgba(11,21,38,.45)}
.site-nav .nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:20px;flex-wrap:wrap}
.site-logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.site-logo .logo-icon{width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,var(--accent),#d18f2c);display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;box-shadow:0 8px 18px rgba(232,163,61,.4)}
.site-logo .logo-text{font-size:22px;font-weight:800;color:#fff;letter-spacing:.5px;line-height:1.2;display:flex;flex-direction:column}
.site-logo .logo-text .logo-sub{font-size:10px;font-weight:600;letter-spacing:3px;color:var(--accent);text-transform:uppercase;line-height:1.2}
.nav-menu{display:flex;gap:6px;align-items:center}
.nav-link-custom{padding:10px 18px;font-size:15px;font-weight:500;color:rgba(255,255,255,.78);border-radius:999px;transition:var(--transition)}
.nav-link-custom:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link-custom.active{color:#fff;background:linear-gradient(135deg,rgba(232,163,61,.9),rgba(232,163,61,.65));font-weight:600;box-shadow:0 6px 14px rgba(232,163,61,.25)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border-radius:999px;padding:8px 14px;border:1px solid rgba(255,255,255,.1)}
.nav-search i{color:var(--accent);font-size:13px}
.nav-search input{border:none;outline:none;background:transparent;color:#fff;font-size:13px;width:120px}
.nav-search input::placeholder{color:rgba(255,255,255,.45)}
.nav-cta .btn-accent{background:linear-gradient(135deg,var(--accent),#f5bd6e);color:#0b1526;border:none;border-radius:999px;padding:10px 20px;font-weight:600;font-size:14px;transition:var(--transition);box-shadow:var(--shadow-accent)}
.nav-cta .btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(232,163,61,.4);color:#0b1526}
.nav-toggle{display:none;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:10px;width:42px;height:42px;color:#fff;font-size:18px;align-items:center;justify-content:center;cursor:pointer}
.page-hero{position:relative;padding:110px 0 120px;background-size:cover;background-position:center;text-align:center;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,21,38,.94),rgba(11,21,38,.72));z-index:1}
.page-hero .hero-content{position:relative;z-index:2}
.page-hero .hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(232,163,61,.15);border:1px solid rgba(232,163,61,.4);color:var(--accent);border-radius:999px;padding:7px 20px;font-weight:600;font-size:14px;letter-spacing:1px;margin-bottom:20px}
.page-hero h1{color:#fff;font-size:48px;font-weight:800;line-height:1.25;margin-bottom:16px}
.page-hero h1 span{color:var(--accent)}
.page-hero p{color:rgba(255,255,255,.82);font-size:17px;max-width:700px;margin:0 auto 30px}
.hero-meta{display:flex;justify-content:center;flex-wrap:wrap;gap:20px;color:rgba(255,255,255,.6);font-size:14px}
.hero-meta i{color:var(--accent);margin-right:6px}
.section-block{padding:80px 0}
.section-title-wrap{max-width:640px;margin-bottom:50px}
.section-title-wrap .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.section-title-wrap .eyebrow::before{content:"";width:34px;height:2px;background:var(--accent);display:inline-block;border-radius:2px}
.section-title-wrap h2{font-size:36px;font-weight:800;color:var(--primary);margin-bottom:14px;line-height:1.3}
.section-title-wrap p{color:var(--text-muted);font-size:16px}
.alt-bg{background:var(--bg-light)}
.topic-pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 18px;font-size:14px;font-weight:600;color:var(--text);box-shadow:var(--shadow-sm)}
.topic-pill i{color:var(--accent)}
.topic-pill:hover{background:var(--accent-soft);border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;height:100%;transition:var(--transition);box-shadow:var(--shadow-sm)}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(232,163,61,.4)}
.news-card .card-thumb{position:relative;height:190px;overflow:hidden}
.news-card .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .card-thumb img{transform:scale(1.06)}
.news-card .card-tag{position:absolute;top:14px;left:14px;background:rgba(11,21,38,.78);color:#fff;border-radius:999px;padding:4px 14px;font-size:12px;font-weight:600;backdrop-filter:blur(6px)}
.news-card .card-body{padding:24px}
.news-card .card-meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--text-muted);font-size:13px;margin-bottom:10px}
.news-card .card-meta i{color:var(--accent);margin-right:4px}
.news-card h3{font-size:19px;font-weight:700;color:var(--primary);line-height:1.5;margin-bottom:10px}
.news-card h3 a:hover{color:var(--accent)}
.news-card p{color:var(--text-muted);font-size:14px;line-height:1.7;margin-bottom:16px}
.news-card .card-link{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.news-card .card-link i{transition:transform var(--transition)}
.news-card:hover .card-link i{transform:translateX(5px)}
.feature-card{border-radius:var(--radius-lg);overflow:hidden;min-height:340px;position:relative;background-size:cover;background-position:center;display:flex;align-items:flex-end;margin-bottom:30px}
.feature-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(11,21,38,.92) 100%)}
.feature-card .feature-content{position:relative;z-index:2;padding:40px;color:#fff}
.feature-card .feature-label{display:inline-block;background:rgba(232,163,61,.85);border-radius:999px;color:#0b1526;font-size:12px;font-weight:700;padding:5px 14px;margin-bottom:12px;letter-spacing:.5px}
.feature-card h3{font-size:24px;font-weight:700;color:#fff;line-height:1.4;margin-bottom:10px}
.feature-card p{color:rgba(255,255,255,.75);font-size:14px;margin-bottom:14px}
.feature-more{color:var(--accent);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.stats-section{background:linear-gradient(135deg,var(--primary),var(--primary-light));padding:80px 0;border-radius:0;position:relative;overflow:hidden}
.stats-section::after{content:"";position:absolute;top:-40px;right:-40px;width:260px;height:260px;background:radial-gradient(circle,rgba(232,163,61,.2),transparent 70%);border-radius:50%}
.stats-section .container{position:relative;z-index:2}
.stats-number{text-align:center;padding:20px 10px}
.stats-number .num{font-size:44px;font-weight:800;color:var(--accent);line-height:1.2}
.stats-number .num span{font-size:22px;font-weight:600}
.stats-number .label{color:rgba(255,255,255,.66);font-size:15px;margin-top:6px;font-weight:500}
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.topic-cloud a{background:#fff;border:1px solid var(--border);border-radius:999px;padding:10px 20px;font-size:14px;color:var(--text);font-weight:500;box-shadow:var(--shadow-sm);transition:var(--transition)}
.topic-cloud a:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
.topic-cloud a i{margin-right:6px;color:var(--accent)}
.topic-cloud a:hover i{color:#fff}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item .faq-q{padding:22px 26px;display:flex;align-items:center;gap:14px;cursor:pointer;font-weight:600;font-size:17px;color:var(--primary);transition:var(--transition)}
.faq-item .faq-q:hover{background:var(--accent-soft)}
.faq-item .faq-q .faq-icon{width:30px;height:30px;flex-shrink:0;background:var(--accent-soft);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:14px}
.faq-item .faq-a{display:none;padding:0 26px 22px 70px;color:var(--text-muted);font-size:15px;border-top:1px dashed var(--border);margin-top:2px;padding-top:16px;line-height:1.8}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.cta-section{background:linear-gradient(120deg,var(--primary),var(--primary-light));padding:90px 0;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.12}
.cta-section .container{position:relative;z-index:2;text-align:center}
.cta-section h2{color:#fff;font-size:38px;font-weight:800;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.75);font-size:17px;max-width:620px;margin:0 auto 32px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-round{border-radius:999px;padding:12px 30px;font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;transition:var(--transition);border:none}
.btn-accent-cta{background:linear-gradient(135deg,var(--accent),#f5bd6e);color:#0b1526;box-shadow:var(--shadow-accent)}
.btn-accent-cta:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(232,163,61,.42);color:#0b1526}
.btn-ghost-cta{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.3);color:#fff}
.btn-ghost-cta:hover{background:rgba(255,255,255,.16);border-color:var(--accent);color:#fff}
.site-footer{background:var(--primary);padding-top:65px;color:rgba(255,255,255,.72)}
.footer-brand{margin-bottom:18px}
.footer-brand .logo-text{font-size:26px;font-weight:800;color:#fff;letter-spacing:1px}
.footer-brand .logo-text span{color:var(--accent)}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.58);max-width:360px}
.footer-title{font-size:17px;font-weight:700;color:#fff;margin-bottom:22px;position:relative;padding-bottom:12px}
.footer-title::after{content:"";position:absolute;bottom:0;left:0;width:36px;height:3px;background:var(--accent);border-radius:3px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.62);font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}
.footer-links a i{color:var(--accent);font-size:12px}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact{list-style:none;padding:0;margin:0}
.footer-contact li{margin-bottom:12px;font-size:14px;display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.6)}
.footer-contact i{color:var(--accent);margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:50px;padding:20px 0;font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom .container{display:flex;justify-content:center}
@media (max-width: 1024px){
  .nav-search{display:none}
  .nav-menu{display:none;width:100%;flex-direction:column;align-items:stretch;background:var(--primary);padding:14px 0 20px;border-top:1px solid rgba(255,255,255,.08)}
  .nav-menu.show{display:flex}
  .nav-link-custom{text-align:center;padding:12px;border-radius:10px}
  .nav-toggle{display:flex}
  .nav-inner{padding:12px 0}
}
@media (max-width: 768px){
  .page-hero{padding:80px 0 90px}
  .page-hero h1{font-size:32px}
  .page-hero p{font-size:15px}
  .section-block{padding:56px 0}
  .section-title-wrap h2{font-size:28px}
  .stats-number .num{font-size:34px}
  .feature-card{min-height:300px}
  .feature-card .feature-content{padding:28px}
  .cta-section h2{font-size:28px}
  .footer-bottom .container{flex-direction:column;text-align:center;gap:6px}
  .news-card .card-thumb{height:170px}
}
@media (max-width: 520px){
  .site-logo .logo-text{font-size:19px}
  .nav-cta .btn-accent span{display:none}
  .nav-cta .btn-accent{width:44px;padding:0;justify-content:center}
  .page-hero h1{font-size:26px}
  .section-title-wrap h2{font-size:24px}
  .feature-card h3{font-size:20px}
  .cta-actions .btn-round{width:100%}
  .faq-item .faq-q{font-size:15px;padding:16px}
  .faq-item .faq-a{padding-left:20px;padding-right:20px}
}