/* roulang page: index */
:root {
            --primary: #2F6B85;
            --primary-deep: #1D4659;
            --primary-light: #EAF1F5;
            --page-bg: #F5F8FA;
            --card-bg: #FFFFFF;
            --text-body: #33454F;
            --text-weak: #6B7B84;
            --text-caption: #8A9AA2;
            --border-line: #DCE5EA;
            --success-green: #38805E;
            --radius-card: 12px;
            --radius-card-lg: 16px;
            --shadow-card: 0 2px 12px rgba(23, 58, 72, 0.06);
            --shadow-hover: 0 8px 24px rgba(23, 58, 72, 0.12);
            --font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--page-bg);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            font-size: 16px;
        }
        * {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .25s ease;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }

        /* 导航 */
        .site-nav {
            position: fixed;
            top: 14px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 24px);
            max-width: 1180px;
            background: rgba(255, 255, 255, .82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 999px;
            z-index: 1000;
            padding: 10px 20px;
            border: 1px solid rgba(255, 255, 255, .5);
            box-shadow: 0 2px 18px rgba(23, 58, 72, 0.06);
            transition: box-shadow .3s, background .3s;
        }
        .site-nav.scrolled {
            background: rgba(255, 255, 255, .92);
            box-shadow: 0 4px 20px rgba(23, 58, 72, 0.1);
            border-color: var(--border-line);
        }
        .nav-links a {
            font-size: 15px;
            color: var(--text-body);
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 500;
            white-space: nowrap;
            transition: all .25s ease;
        }
        .nav-links a:hover {
            background: #D4E2E9;
            color: var(--primary-deep);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(47, 107, 133, .25);
        }
        .nav-cta {
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-deep);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(29, 70, 89, .25);
        }

        .mobile-menu-panel {
            position: fixed;
            top: 68px;
            left: 12px;
            right: 12px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(23, 58, 72, .16);
            z-index: 999;
            padding: 16px;
            display: none;
            border: 1px solid var(--border-line);
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            margin-bottom: 4px;
        }
        .mobile-menu-panel a:hover {
            background: var(--primary-light);
        }
        .mobile-menu-panel a.active {
            background: var(--primary);
            color: #fff;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            transition: all .25s ease;
            box-shadow: 0 2px 10px rgba(47, 107, 133, .18);
        }
        .btn-primary:hover {
            background: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(29, 70, 89, .22);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary .fa-arrow-right {
            transition: transform .2s;
        }
        .btn-primary:hover .fa-arrow-right {
            transform: translateX(4px);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border-radius: 999px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            border: 1.5px solid var(--primary);
            transition: all .25s ease;
        }
        .btn-ghost:hover {
            background: var(--primary-light);
            color: var(--primary-deep);
            border-color: var(--primary-deep);
            transform: translateY(-2px);
        }

        /* Hero 样式 */
        .hero-section {
            background: linear-gradient(135deg, #F5F8FA 0%, #EAF1F5 100%);
            position: relative;
            padding-top: 156px;
            padding-bottom: 70px;
            overflow: hidden;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 20%;
            opacity: .16;
            z-index: 0;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .8);
            border: 1px solid var(--border-line);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: .02em;
            box-shadow: 0 1px 4px rgba(0, 0, 0, .03);
        }
        .hero-badge i {
            font-size: 10px;
            color: var(--success-green);
        }
        .hero-title {
            font-size: 46px;
            line-height: 1.22;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: 0em;
            margin: 20px 0 16px;
        }
        .hero-title .accent {
            color: var(--primary);
        }
        .hero-sub {
            font-size: 17px;
            color: var(--text-weak);
            line-height: 1.8;
            max-width: 600px;
        }
        .address-card {
            background: #fff;
            border-radius: 14px;
            padding: 18px 24px;
            border: 1px solid var(--border-line);
            box-shadow: var(--shadow-card);
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
        }
        .address-card .dot {
            width: 10px;
            height: 10px;
            background: var(--success-green);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 4px rgba(56, 128, 94, .15);
        }
        .address-card .label {
            font-size: 13px;
            color: var(--text-caption);
            font-weight: 500;
        }
        .address-card .url {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-deep);
            letter-spacing: .01em;
        }
        .address-card .secure-text {
            font-size: 12px;
            color: var(--success-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 500;
        }

        /* 通用容器和区块 */
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 88px 0;
        }
        .section-padding-sm {
            padding: 64px 0;
        }
        .section-title-wrap {
            margin-bottom: 42px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 23px;
            font-weight: 700;
            color: var(--primary-deep);
            margin-bottom: 10px;
            position: relative;
        }
        .section-label::before {
            content: '';
            width: 6px;
            height: 24px;
            background: var(--primary);
            border-radius: 3px;
            display: inline-block;
            margin-right: 4px;
        }
        .section-desc {
            color: var(--text-weak);
            font-size: 15px;
            max-width: 680px;
        }

        /* 合集目录 */
        .directory-wrap {
            display: grid;
            grid-template-columns: 240px 1fr;
            gap: 40px;
            align-items: start;
        }
        .directory-aside {
            position: sticky;
            top: 96px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-line);
            padding: 22px;
            box-shadow: var(--shadow-card);
        }
        .directory-aside-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-deep);
            margin-bottom: 4px;
        }
        .directory-aside-sub {
            font-size: 13px;
            color: var(--text-caption);
            margin-bottom: 16px;
            border-bottom: 1px dashed var(--border-line);
            padding-bottom: 14px;
        }
        .directory-aside a {
            display: block;
            padding: 9px 12px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-body);
            font-weight: 500;
            margin-bottom: 4px;
            transition: all .2s;
        }
        .directory-aside a:hover {
            background: var(--primary-light);
            color: var(--primary-deep);
            padding-left: 16px;
        }
        .directory-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .directory-item {
            background: #fff;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            padding: 26px 24px;
            display: block;
            transition: all .25s;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .directory-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(47, 107, 133, .25);
        }
        .directory-item .num {
            font-size: 30px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1px rgba(47, 107, 133, .25);
            line-height: 1;
            position: absolute;
            top: 18px;
            right: 20px;
        }
        .directory-item .title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary-deep);
            margin-bottom: 8px;
            transition: color .2s;
        }
        .directory-item:hover .title {
            color: var(--primary);
        }
        .directory-item .desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-right: 40px;
        }
        .directory-item .arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--primary);
            margin-top: 14px;
            font-weight: 600;
            transition: gap .2s;
        }
        .directory-item:hover .arrow {
            gap: 12px;
        }

        /* 精选卡片 */
        .featured-main-card {
            background: #fff;
            border-radius: var(--radius-card-lg);
            border: 1px solid var(--border-line);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .3s;
            display: block;
            height: 100%;
        }
        .featured-main-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .featured-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-line);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .3s;
            display: block;
            height: 100%;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .featured-img-wrap {
            overflow: hidden;
            background: var(--primary-light);
            position: relative;
            aspect-ratio: 16/9;
        }
        .featured-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .featured-card:hover .featured-img-wrap img,
        .featured-main-card:hover .featured-img-wrap img {
            transform: scale(1.03);
        }
        .featured-card-body {
            padding: 20px 18px;
        }
        .featured-main-card .featured-card-body {
            padding: 26px 26px;
        }
        .category-tag {
            display: inline-block;
            font-size: 12px;
            background: var(--primary-light);
            color: var(--primary-deep);
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 600;
            letter-spacing: .02em;
            margin-bottom: 12px;
        }
        .category-tag.green {
            background: rgba(56, 128, 94, .12);
            color: var(--success-green);
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-deep);
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .card-desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
        }
        .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s;
        }
        .card-link:hover {
            gap: 10px;
        }

        /* CMS 列表区 */
        .cms-section {
            background: #fff;
            border-radius: var(--radius-card-lg);
            border: 1px solid var(--border-line);
            box-shadow: var(--shadow-card);
            padding: 36px;
        }
        .cms-list-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 4px;
            border-bottom: 1px solid #edf1f4;
            gap: 24px;
            transition: background .2s;
        }
        .cms-list-item:last-child {
            border-bottom: none;
        }
        .cms-list-item:hover {
            background: rgba(234, 241, 245, .3);
            border-radius: 8px;
            padding-left: 12px;
            padding-right: 12px;
        }
        .cms-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary-deep);
            line-height: 1.5;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .cms-excerpt {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
        }
        .cms-meta {
            font-size: 12px;
            color: var(--text-caption);
            margin-top: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .badge-new {
            background: rgba(56, 128, 94, .12);
            color: var(--success-green);
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-flex;
            align-items: center;
        }
        .cms-right {
            text-align: right;
            white-space: nowrap;
        }
        .cms-view-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .cms-view-link:hover {
            gap: 8px;
        }
        .cms-empty {
            border: 2px dashed var(--border-line);
            border-radius: var(--radius-card);
            padding: 44px 24px;
            text-align: center;
            color: var(--text-caption);
        }
        .cms-empty i {
            font-size: 28px;
            opacity: .5;
            display: block;
            margin-bottom: 10px;
        }

        /* FAQ */
        .faq-wrap {
            background: var(--primary-light);
            border-radius: 24px;
            padding: 48px;
        }
        .faq-left {
            border-right: 1px solid rgba(47, 107, 133, .2);
            padding-right: 40px;
        }
        .faq-item {
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border-line);
            box-shadow: var(--shadow-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .3s;
        }
        .faq-item:last-child {
            margin-bottom: 0;
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary-deep);
            gap: 14px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color .2s;
        }
        .faq-q .icon {
            color: var(--primary);
            font-size: 14px;
            transition: transform .3s;
            flex-shrink: 0;
        }
        .faq-q[aria-expanded="true"] .icon {
            transform: rotate(180deg);
        }
        .faq-a {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* 底部 CTA */
        .cta-box {
            background: #fff;
            border-radius: 24px;
            border: 1px solid var(--border-line);
            box-shadow: 0 6px 30px rgba(23, 58, 72, 0.07);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), #B8D4E0, var(--primary));
        }
        .cta-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-deep);
            margin-bottom: 10px;
        }
        .cta-sub {
            color: var(--text-weak);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto 30px;
        }

        /* 推荐卡片 */
        .recommend-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-line);
            padding: 22px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: all .3s;
            position: relative;
            overflow: hidden;
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .recommend-card .img-holder {
            border-radius: 8px;
            overflow: hidden;
            background: var(--primary-light);
            aspect-ratio: 16/8;
        }
        .recommend-card .img-holder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 页脚 */
        .site-footer {
            background: #1D323C;
            color: rgba(255, 255, 255, .85);
            padding-top: 64px;
            margin-top: 80px;
        }
        .footer-inner {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand i {
            color: #7FB3C4;
            font-size: 20px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .7);
            margin-top: 12px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: .03em;
        }
        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            padding: 5px 0;
            transition: all .2s;
        }
        .footer-link:hover {
            color: #fff;
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 48px;
            padding: 22px 0;
        }
        .footer-bottom-inner {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        /* 滚动条 */
        @media (max-width: 1024px) {
            .directory-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .directory-aside {
                position: static;
            }
            .hero-title {
                font-size: 38px;
            }
        }
        @media (max-width: 768px) {
            .site-nav {
                top: 10px;
                width: calc(100% - 16px);
                padding: 10px 16px;
                border-radius: 22px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .section-padding {
                padding: 56px 0;
            }
            .section-padding-sm {
                padding: 44px 0;
            }
            .directory-list {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .faq-wrap {
                padding: 28px 20px;
            }
            .faq-left {
                border-right: none;
                padding-right: 0;
                border-bottom: 1px solid rgba(47, 107, 133, .2);
                padding-bottom: 20px;
                margin-bottom: 20px;
            }
            .cms-section {
                padding: 22px;
            }
            .cms-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cms-right {
                text-align: left;
            }
            .cta-box {
                padding: 40px 20px;
            }
            .cta-title {
                font-size: 26px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 28px;
            }
            .btn-primary,
            .btn-ghost {
                display: flex;
                width: 100%;
                margin-bottom: 10px;
            }
            .address-card {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
        --primary: #2F6B85;
        --primary-deep: #1D4659;
        --primary-light: #EAF1F5;
        --primary-lighter: #D4E2E9;
        --bg: #F5F8FA;
        --surface: #FFFFFF;
        --text-main: #33454F;
        --text-muted: #6B7B84;
        --text-caption: #8A9AA2;
        --border: #DCE5EA;
        --success: #38805E;
        --radius-card: 12px;
        --radius-large: 16px;
        --shadow-card: 0 2px 12px rgba(23, 58, 72, 0.06);
        --shadow-hover: 0 8px 24px rgba(23, 58, 72, 0.12);
        --transition: all 0.25s ease;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        background: var(--bg);
        color: var(--text-main);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    a {
        text-decoration: none;
        color: inherit;
        outline: none;
    }
    a:focus-visible,
    button:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 3px;
        border-radius: 6px;
    }
    img {
        max-width: 100%;
        display: block;
    }
    ul {
        list-style: none;
    }
    .container {
        max-width: 1180px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    /* 导航 */
    .site-nav {
        position: sticky;
        top: 12px;
        z-index: 60;
        max-width: 1180px;
        width: calc(100% - 32px);
        margin: 14px auto 0;
        padding: 10px 18px;
        background: rgba(255, 255, 255, 0.82);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-radius: 999px;
        box-shadow: 0 8px 32px rgba(23, 58, 72, 0.1);
        border: 1px solid rgba(220, 229, 234, 0.7);
        transition: var(--transition);
    }
    .site-nav.scrolled {
        background: rgba(255, 255, 255, 0.92);
        box-shadow: 0 10px 38px rgba(23, 58, 72, 0.13);
    }
    .site-nav .logo-symbol {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 15px;
        box-shadow: 0 6px 14px rgba(47, 107, 133, 0.25);
    }
    .nav-links a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 8px 16px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-main);
        min-height: 40px;
        transition: var(--transition);
    }
    .nav-links a:hover {
        background: var(--primary-light);
        color: var(--primary-deep);
    }
    .nav-links a.active {
        background: var(--primary);
        color: #fff;
        font-weight: 600;
        box-shadow: 0 6px 16px rgba(47, 107, 133, 0.22);
    }
    .nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        background: var(--primary-light);
        color: var(--primary-deep);
        border-radius: 999px;
        padding: 9px 18px;
        font-size: 14px;
        font-weight: 600;
        min-height: 40px;
        transition: var(--transition);
        border: 1px solid transparent;
        white-space: nowrap;
    }
    .nav-cta:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 8px 20px rgba(47, 107, 133, 0.25);
    }
    .menu-toggle {
        background: transparent;
        border: 0;
        color: var(--primary-deep);
        width: 42px;
        height: 42px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        cursor: pointer;
    }
    .menu-toggle:hover {
        background: var(--primary-light);
    }
    @media (max-width: 767px) {
        .site-nav {
            width: calc(100% - 20px);
            margin-top: 10px;
            padding: 10px 14px;
            border-radius: 24px;
        }
        .nav-links {
            display: none;
            position: absolute;
            left: 0;
            right: 0;
            top: calc(100% + 10px);
            background: #ffffff;
            border-radius: 18px;
            padding: 12px;
            border: 1px solid var(--border);
            box-shadow: 0 20px 40px rgba(29, 70, 89, 0.18);
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
            z-index: 80;
        }
        .nav-links.open {
            display: flex;
        }
        .nav-links a {
            justify-content: center;
            width: 100%;
            padding: 12px 14px;
            min-height: 44px;
        }
        .nav-links a.active {
            background: var(--primary-light);
            color: var(--primary);
        }
    }

    /* 通用区块标题 */
    .section-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        letter-spacing: 0.1em;
        font-size: 13px;
        font-weight: 700;
        color: var(--primary);
        text-transform: uppercase;
        margin-bottom: 8px;
    }
    .section-title {
        font-size: clamp(24px, 3vw, 32px);
        line-height: 1.35;
        color: var(--primary-deep);
        font-weight: 700;
        letter-spacing: -0.02em;
    }
    .section-subtitle {
        color: var(--text-muted);
        line-height: 1.8;
        max-width: 760px;
    }

    /* 迷你页头 */
    .mini-hero {
        border-radius: 20px;
        position: relative;
        overflow: hidden;
        padding: 36px 36px 34px;
        border: 1px solid var(--border);
        background: #fff;
        box-shadow: 0 12px 40px rgba(23, 58, 72, 0.05);
        margin-top: 26px;
    }
    .mini-hero .hero-img {
        position: absolute;
        inset: 0;
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover;
    }
    .mini-hero .hero-mask {
        position: absolute;
        inset: 0;
        background: linear-gradient(115deg, rgba(245, 248, 250, 0.98) 0%, rgba(255, 255, 255, 0.88) 55%, rgba(234, 241, 245, 0.65) 100%);
    }
    .page-crumb {
        font-size: 13px;
        color: var(--text-caption);
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 6px;
        margin-bottom: 14px;
    }
    .page-crumb a:hover {
        color: var(--primary);
    }
    .breadcrumb-sep {
        color: var(--primary);
        font-size: 12px;
    }
    .mini-hero h1 {
        font-size: clamp(30px, 4.4vw, 46px);
        color: var(--primary-deep);
        line-height: 1.25;
        font-weight: 700;
        max-width: 620px;
    }
    .mini-hero .lead {
        font-size: 16px;
        color: var(--text-main);
        max-width: 580px;
        margin-top: 12px;
    }
    .domain-pill {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: rgba(255, 255, 255, 0.88);
        border: 1px solid #dbe7ec;
        color: var(--primary-deep);
        border-radius: 999px;
        padding: 8px 16px;
        font-weight: 700;
        margin-top: 18px;
        box-shadow: 0 2px 10px rgba(23, 58, 72, 0.06);
    }
    .status-dot {
        width: 9px;
        height: 9px;
        display: inline-block;
        background: var(--success);
        border-radius: 50%;
        box-shadow: 0 0 0 4px rgba(56, 128, 94, 0.15);
    }

    /* 卡片 */
    .media-card,
    .info-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        transition: var(--transition);
    }
    .media-card:hover,
    .info-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
        border-color: #c4d6dd;
    }
    .card-index {
        font-size: 13px;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: 0.06em;
    }
    .pure-icon {
        display: flex;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--primary-light);
        color: var(--primary-deep);
        align-items: center;
        justify-content: center;
        font-size: 18px;
    }

    /* 属性列表 */
    .attr-list li {
        display: flex;
        gap: 10px;
        padding: 10px 0;
        border-bottom: 1px dashed var(--border);
        align-items: flex-start;
        font-size: 15px;
    }
    .attr-list li:last-child {
        border-bottom: 0;
        padding-bottom: 0;
    }
    .attr-list .li-icon {
        color: var(--primary);
        font-size: 13px;
        margin-top: 7px;
    }
    .attr-list strong {
        color: var(--primary-deep);
        font-weight: 700;
    }

    /* 流程 */
    .flow-step {
        display: flex;
        gap: 14px;
        align-items: flex-start;
    }
    .flow-step .step-num {
        width: 34px;
        height: 34px;
        flex: none;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        font-weight: 700;
        box-shadow: 0 4px 12px rgba(47, 107, 133, 0.25);
    }
    .flow-step .step-line {
        margin: 14px auto 12px;
        width: 1px;
        height: 24px;
        background: var(--border);
    }

    /* FAQ */
    .faq-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 16px;
        overflow: hidden;
        transition: border-color 0.25s;
    }
    .faq-card.open {
        border-color: #b8cdd7;
        box-shadow: var(--shadow-card);
    }
    .faq-q {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        padding: 18px 22px;
        cursor: pointer;
        font-weight: 600;
        font-size: 16px;
        color: var(--primary-deep);
        min-height: 58px;
    }
    .faq-q .icn {
        color: var(--primary);
        transition: transform 0.3s;
        flex: none;
    }
    .faq-card.open .faq-q .icn {
        transform: rotate(180deg);
    }
    .faq-a {
        max-height: 0;
        overflow: hidden;
        padding: 0 22px;
        color: var(--text-muted);
        transition: max-height 0.3s ease, padding 0.3s ease;
        font-size: 15px;
        line-height: 1.8;
    }
    .faq-card.open .faq-a {
        max-height: 280px;
        padding-bottom: 20px;
    }

    /* 按钮 */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-weight: 600;
        border-radius: 999px;
        transition: var(--transition);
        cursor: pointer;
        border: 1px solid transparent;
        min-height: 44px;
        padding: 10px 22px;
        font-size: 15px;
        line-height: 1.5;
    }
    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 8px 20px rgba(47, 107, 133, 0.2);
    }
    .btn-primary:hover {
        background: var(--primary-deep);
        transform: translateY(-1px);
        box-shadow: 0 12px 28px rgba(29, 70, 89, 0.22);
    }
    .btn-primary:active {
        transform: translateY(0);
    }
    .btn-light {
        background: #fff;
        color: var(--primary-deep);
        border-color: #d4e1e6;
    }
    .btn-light:hover {
        background: var(--primary-light);
        border-color: #b7d0da;
    }
    .text-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--primary);
        font-weight: 600;
        transition: var(--transition);
    }
    .text-link:hover {
        color: var(--primary-deep);
        gap: 10px;
    }

    /* 页脚 */
    .site-footer {
        background: var(--primary-deep);
        color: rgba(255, 255, 255, 0.86);
        margin-top: 84px;
        border-radius: 28px 28px 0 0;
        padding-top: 60px;
    }
    .footer-inner {
        max-width: 1180px;
        margin: 0 auto;
        padding: 0 24px;
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 40px 32px;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }
    .footer-brand i {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.14);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 15px;
        color: #8fc6d6;
    }
    .footer-desc {
        color: rgba(255, 255, 255, 0.58);
        font-size: 14px;
        line-height: 1.8;
        max-width: 340px;
    }
    .footer-col-title {
        color: #fff;
        font-weight: 700;
        margin-bottom: 14px;
        font-size: 15px;
    }
    .footer-link {
        display: block;
        width: 100%;
        padding: 7px 0;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.62);
        transition: var(--transition);
    }
    .footer-link:hover {
        color: #fff;
        transform: translateX(4px);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        margin-top: 44px;
    }
    .footer-bottom-inner {
        max-width: 1180px;
        margin: 0 auto;
        padding: 18px 24px;
        display: flex;
        flex-wrap: wrap;
        gap: 6px 24px;
        justify-content: space-between;
        align-items: center;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.5);
    }
    @media (max-width: 900px) {
        .footer-inner {
            grid-template-columns: 1fr 1fr;
            gap: 32px 24px;
        }
    }
    @media (max-width: 520px) {
        .footer-inner {
            grid-template-columns: 1fr;
        }
        .footer-bottom-inner {
            align-items: flex-start;
            flex-direction: column;
            gap: 6px;
        }
    }

    /* 返回顶部 */
    .back-btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, 0.78);
        color: var(--primary-deep);
        border: 1px solid var(--border);
        border-radius: 999px;
        padding: 10px 18px;
        font-size: 14px;
        font-weight: 600;
        transition: var(--transition);
    }
    .back-btn:hover {
        background: var(--primary);
        color: #fff;
    }
    .scroll-top-btn {
        position: fixed;
        right: 22px;
        bottom: 24px;
        z-index: 40;
        width: 46px;
        height: 46px;
        border-radius: 50%;
        background: #ffffff;
        border: 1px solid var(--border);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 17px;
        box-shadow: 0 8px 24px rgba(29, 70, 89, 0.18);
        transition: var(--transition);
    }
    .scroll-top-btn:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-2px);
    }

    /* 部分间距 */
    .layout-section {
        padding-top: 60px;
    }
    @media(max-width: 768px) {
        .layout-section {
            padding-top: 44px;
        }
        .mini-hero {
            padding: 28px 22px;
            border-radius: 16px;
        }
    }

    /* 删除桌面端底部较矮间距 */
    .pointer {
        cursor: pointer;
    }

/* roulang page: article */
:root {
            --primary: #2F6B85;
            --primary-deep: #1D4659;
            --primary-soft: #EAF1F5;
            --page-bg: #F5F8FA;
            --text: #33454F;
            --text-weak: #6B7B84;
            --text-caption: #8A9AA2;
            --border: #DCE5EA;
            --success: #38805E;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow: 0 2px 12px rgba(23,58,72,.06);
            --shadow-hover: 0 8px 24px rgba(23,58,72,.12);
            --font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--page-bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1180px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-block {
            padding: 72px 0;
        }

        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary);
            z-index: 70;
            transition: width .08s linear;
        }

        .back-to-top {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 46px;
            height: 46px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--primary-deep);
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            z-index: 48;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: opacity .25s, transform .25s, visibility .25s;
        }

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

        .back-to-top:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .toast-msg {
            position: fixed;
            left: 50%;
            bottom: 40px;
            transform: translateX(-50%) translateY(12px);
            background: var(--primary-deep);
            color: #fff;
            padding: 12px 24px;
            border-radius: 999px;
            font-size: 14px;
            box-shadow: 0 12px 30px rgba(13, 41, 56, .25);
            opacity: 0;
            visibility: hidden;
            transition: all .3s ease;
            z-index: 90;
            white-space: nowrap;
        }

        .toast-msg.show {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            transition: background .25s, transform .2s, box-shadow .25s;
            box-shadow: 0 4px 14px rgba(47, 107, 133, .18);
        }

        .btn-primary:hover {
            background: var(--primary-deep);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(47, 107, 133, .24);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary-deep);
            border: 1px solid #cbdae2;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            transition: background .25s, transform .2s, border-color .25s, box-shadow .25s;
        }

        .btn-secondary:hover {
            background: var(--primary-soft);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .site-header {
            position: relative;
            z-index: 52;
        }

        .site-nav {
            position: fixed;
            top: 14px;
            left: 50%;
            transform: translateX(-50%);
            width: min(1180px, calc(100% - 24px));
            background: rgba(255, 255, 255, .84);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, .5);
            border-radius: 999px;
            padding: 8px 18px;
            box-shadow: 0 6px 24px rgba(23, 58, 72, .08);
            z-index: 55;
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-nav.scrolled {
            background: rgba(255, 255, 255, .94);
            box-shadow: 0 10px 28px rgba(23, 58, 72, .12);
        }

        .site-nav .nav-links {
            display: none;
        }

        .site-nav .nav-links a {
            position: relative;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: background .2s, color .2s;
        }

        .site-nav .nav-links a:hover {
            background: #D4E2E9;
            color: var(--primary-deep);
        }

        .site-nav .nav-links a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(47, 107, 133, .25);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--primary-soft);
            color: var(--primary-deep);
            padding: 9px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            transition: background .2s, color .2s, box-shadow .2s;
        }

        .nav-cta:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(47, 107, 133, .22);
        }

        .mobile-nav-toggle {
            display: flex;
            width: 40px;
            height: 40px;
            border: none;
            border-radius: 999px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background: transparent;
            color: var(--primary-deep);
        }

        .mobile-nav-toggle:hover {
            background: var(--primary-soft);
        }

        .mobile-menu {
            position: fixed;
            top: 82px;
            left: 50%;
            transform: translateX(-50%) translateY(-8px);
            width: min(460px, calc(100% - 24px));
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            box-shadow: 0 18px 44px rgba(23, 58, 72, .18);
            padding: 16px;
            z-index: 50;
            opacity: 0;
            visibility: hidden;
            transition: opacity .25s, transform .25s, visibility .25s;
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mobile-menu a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding: 14px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 4px;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--primary-soft);
            color: var(--primary-deep);
        }

        .mobile-menu a i {
            color: var(--primary);
            font-size: 13px;
        }

        .article-hero {
            position: relative;
            padding: 150px 0 60px;
            background:
                linear-gradient(92deg, rgba(245, 248, 250, .98) 24%, rgba(234, 241, 245, .94) 78%),
                url('/assets/images/backpic/back-1.png') center/cover;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 26px;
        }

        .breadcrumb a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-weak);
        }

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

        .breadcrumb-sep {
            color: #BCC9CF;
            font-size: 13px;
        }

        .breadcrumb-current {
            color: var(--text);
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #E4F0E9;
            color: var(--success);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .article-hero h1 {
            max-width: 920px;
            font-size: clamp(30px, 4.6vw, 52px);
            line-height: 1.25;
            font-weight: 700;
            color: var(--primary-deep);
            margin: 0 0 20px;
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 22px;
            color: var(--text-weak);
            font-size: 14px;
            padding-bottom: 4px;
        }

        .article-meta-row span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta-row i {
            color: var(--primary);
            font-size: 14px;
        }

        .article-page-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 34px;
            align-items: start;
            padding: 54px 20px 90px;
            max-width: 1180px;
            margin: 0 auto;
        }

        .article-main {
            min-width: 0;
        }

        .article-panel {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            box-shadow: var(--shadow);
            padding: clamp(26px, 3vw, 50px);
        }

        .article-content {
            color: var(--text);
            font-size: 17px;
            line-height: 1.9;
            word-break: break-word;
        }

        .article-content p {
            margin: 0 0 24px;
        }

        .article-content h2 {
            font-size: 25px;
            font-weight: 700;
            color: var(--primary-deep);
            margin: 40px 0 18px;
            padding-left: 14px;
            position: relative;
            line-height: 1.4;
        }

        .article-content h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            width: 4px;
            height: 24px;
            border-radius: 6px;
            background: var(--primary);
        }

        .article-content h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--primary-deep);
            margin: 30px 0 14px;
        }

        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-deep);
            margin: 22px 0 10px;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px;
            padding-left: 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            margin: 24px 0;
            padding: 18px 22px;
            background: var(--primary-soft);
            border-left: 4px solid var(--primary);
            border-radius: 0 12px 12px 0;
            color: var(--text);
            font-size: 16px;
        }

        .article-content img {
            border-radius: 14px;
            margin: 28px 0;
            box-shadow: var(--shadow);
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--primary-deep);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 26px 0;
            font-size: 15px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 12px 14px;
            text-align: left;
        }

        .article-content table th {
            background: var(--primary-soft);
            font-weight: 600;
            color: var(--primary-deep);
        }

        .article-content code {
            background: #EEF3F6;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: .9em;
        }

        .article-content pre {
            background: #1D323C;
            color: #f0f6f8;
            padding: 18px;
            border-radius: 14px;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            margin: 24px 0;
        }

        .article-content pre code {
            background: transparent;
            border: none;
            padding: 0;
        }

        .article-footer-labels {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 30px;
            padding-top: 26px;
            border-top: 1px solid var(--border);
        }

        .article-footer-labels .cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-soft);
            color: var(--primary-deep);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 600;
        }

        .article-footer-labels .copy-link-btn {
            border: none;
            background: none;
            color: var(--text-weak);
            font-size: 14px;
            padding: 6px 10px;
            border-radius: 8px;
            transition: color .2s, background .2s;
        }

        .article-footer-labels .copy-link-btn:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .article-related {
            margin-top: 34px;
        }

        .article-related h2 {
            font-size: 24px;
            color: var(--primary-deep);
            margin: 0 0 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-related h2::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 999px;
            background: var(--primary);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow);
            transition: transform .25s, box-shadow .25s, border-color .25s;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #C3D4DD;
        }

        .related-card .cover {
            height: 138px;
            overflow: hidden;
        }

        .related-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .related-card:hover .cover img {
            transform: scale(1.04);
        }

        .related-card .related-body {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-card .related-tag {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            background: var(--primary-soft);
            color: var(--primary-deep);
            padding: 4px 11px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary-deep);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .related-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0 0 14px;
            flex: 1;
        }

        .related-card .more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .related-card .more-link i {
            transition: transform .2s;
        }

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

        .article-cta-card {
            margin-top: 34px;
            background: linear-gradient(110deg, #EAF1F5 0%, #F5F8FA 100%);
            border: 1px solid #D5E1E8;
            border-radius: 18px;
            padding: 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        .article-cta-card .cta-info {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            flex: 1;
            min-width: 280px;
        }

        .article-cta-card .cta-icon {
            width: 50px;
            height: 50px;
            border-radius: 16px;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 8px 20px rgba(47, 107, 133, .2);
        }

        .article-cta-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-deep);
            margin: 0 0 6px;
        }

        .article-cta-card p {
            margin: 0;
            color: var(--text-weak);
            font-size: 14px;
        }

        .article-cta-card .cta-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .article-aside {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            min-width: 0;
        }

        .aside-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: var(--shadow);
            padding: 22px 20px;
        }

        .aside-card-title {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 16px;
            color: var(--primary-deep);
            margin-bottom: 16px;
        }

        .aside-card-title i {
            color: var(--primary);
            font-size: 15px;
        }

        .aside-info-list {
            display: flex;
            flex-direction: column;
            gap: 13px;
            font-size: 14px;
        }

        .aside-info-list .item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        .aside-info-list .item i {
            margin-top: 5px;
            font-size: 12px;
            color: var(--primary);
            width: 14px;
            text-align: center;
            flex-shrink: 0;
        }

        .aside-info-list .item strong {
            color: var(--text);
            font-weight: 600;
        }

        .aside-list {
            display: flex;
            flex-direction: column;
        }

        .aside-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 2px;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            color: var(--text);
            font-weight: 500;
        }

        .aside-list a:last-child {
            border-bottom: none;
        }

        .aside-list a:hover {
            color: var(--primary);
        }

        .aside-list a i {
            font-size: 12px;
            color: var(--primary);
        }

        .aside-tip {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 22px;
            box-shadow: var(--shadow);
            text-align: center;
        }

        .aside-tip .tip-icon {
            width: 42px;
            height: 42px;
            margin: 0 auto 12px;
            border-radius: 999px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .aside-tip p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0 0 14px;
            line-height: 1.6;
        }

        .aside-tip .top-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 8px 18px;
            border-radius: 999px;
            border: none;
        }

        .aside-tip .top-link:hover {
            background: var(--primary);
            color: #fff;
        }

        .empty-state {
            max-width: 720px;
            background: #fff;
            border: 1px dashed #B7CAD2;
            border-radius: 18px;
            padding: 60px 28px;
            text-align: center;
            margin: 40px auto 90px;
            box-shadow: var(--shadow);
        }

        .empty-state .empty-icon {
            width: 60px;
            height: 60px;
            border-radius: 999px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 18px;
        }

        .empty-state h2 {
            font-size: 26px;
            color: var(--primary-deep);
            margin: 0 0 10px;
            font-weight: 700;
        }

        .empty-state p {
            color: var(--text-weak);
            margin: 0 0 24px;
        }

        .empty-state .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            padding: 11px 26px;
            font-weight: 600;
            font-size: 15px;
        }

        .empty-state .btn-home:hover {
            background: var(--primary-deep);
        }

        .site-footer {
            background: linear-gradient(135deg, #1D4659, #1D323C);
            color: rgba(255, 255, 255, .82);
        }

        .footer-inner {
            max-width: 1180px;
            margin: 0 auto;
            padding: 56px 20px 38px;
            display: grid;
            grid-template-columns: 1.35fr 1fr 1fr 1fr;
            gap: 36px 42px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-brand i {
            width: 36px;
            height: 36px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .12);
            color: #7FB3C4;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .footer-desc {
            margin: 0 0 16px;
            color: rgba(255, 255, 255, .66);
            font-size: 14px;
            max-width: 320px;
            line-height: 1.7;
        }

        .footer-col-title {
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            margin-bottom: 16px;
        }

        .footer-link {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .62);
            font-size: 14px;
            margin-bottom: 12px;
            transition: color .2s, transform .2s;
        }

        .footer-link:hover {
            color: #fff;
            transform: translateX(2px);
        }

        .footer-link i {
            font-size: 11px;
            color: #7FB3C4;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
        }

        .footer-bottom-inner {
            max-width: 1180px;
            margin: 0 auto;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, .48);
            font-size: 13px;
        }

        @media (min-width: 1024px) {
            .site-nav .nav-links {
                display: flex;
            }

            .mobile-nav-toggle {
                display: none !important;
            }
        }

        @media (max-width: 1023px) {
            .related-grid {
                grid-template-columns: 1fr;
            }

            .article-page-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .article-aside {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .article-aside .aside-card,
            .article-aside .aside-tip {
                flex: 1;
                min-width: 240px;
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 639px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-nav {
                top: 8px;
                width: calc(100% - 14px);
                padding: 8px 12px;
            }

            .article-hero {
                padding: 126px 0 40px;
            }

            .article-hero h1 {
                font-size: 30px;
            }

            .article-page-grid {
                padding: 34px 14px 60px;
                gap: 24px;
            }

            .article-panel {
                padding: 20px 16px;
                border-radius: 14px;
            }

            .article-content {
                font-size: 16px;
            }

            .article-cta-card {
                padding: 22px 18px;
                flex-direction: column;
                align-items: flex-start;
            }

            .article-cta-card .cta-btns {
                width: 100%;
            }

            .article-cta-card .cta-btns .btn-primary,
            .article-cta-card .cta-btns .btn-secondary {
                flex: 1;
                justify-content: center;
                padding-left: 14px;
                padding-right: 14px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 26px;
                padding: 42px 18px 30px;
            }

            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }

            .back-to-top {
                right: 14px;
                bottom: 18px;
                width: 42px;
                height: 42px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #2F6B85;
  --primary-deep: #1D4659;
  --primary-soft: #EAF1F5;
  --primary-mid: #7FB3C4;
  --page-bg: #F5F8FA;
  --text: #33454F;
  --text-weak: #6B7B84;
  --text-caption: #8A9AA2;
  --line: #DCE5EA;
  --success: #38805E;
  --white: #FFFFFF;
  --radius-card: 16px;
  --radius-panel: 24px;
  --shadow-card: 0 2px 12px rgba(23, 58, 72, 0.06);
  --shadow-hover: 0 8px 24px rgba(23, 58, 72, 0.12);
  --max-width: 1180px;
  --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--page-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

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

button {
  font-family: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  background: var(--primary-deep);
  color: #fff;
  padding: 12px 20px;
  border-radius: 999px;
}

.container {
  width: min(var(--max-width), calc(100% - 32px));
  margin-inline: auto;
}

.site-nav {
  position: sticky;
  top: 14px;
  z-index: 60;
  width: min(1180px, calc(100% - 16px));
  margin: 14px auto 0;
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(220, 229, 234, 0.92);
  border-radius: 999px;
  padding: 10px 18px;
  box-shadow: var(--shadow-card);
}

.site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav .nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--primary-deep);
  font-weight: 600;
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-nav .nav-links a:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.site-nav .nav-links a.active {
  background: var(--primary);
  color: #fff;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background: var(--primary-deep);
  color: #fff;
  transform: translateY(-1px);
}

.nav-cta:focus-visible,
.site-nav .nav-links a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(47, 107, 133, 0.55);
  outline-offset: 2px;
}

.mobile-menu-btn {
  width: 40px;
  height: 40px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--primary-deep);
  font-size: 18px;
  cursor: pointer;
}

.mobile-menu-btn:hover {
  background: var(--primary-soft);
}

.category-main {
  padding-bottom: 40px;
}

.category-hero {
  position: relative;
  margin: 24px auto 0;
  width: min(1180px, calc(100% - 32px));
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  background:
    linear-gradient(110deg, rgba(245, 248, 250, 0.92) 0%, rgba(234, 241, 245, 0.98) 58%, rgba(255, 255, 255, 0.95) 100%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 44px;
  align-items: center;
  padding: clamp(32px, 5vw, 58px) clamp(22px, 5vw, 52px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(220, 229, 234, 0.9);
  color: var(--primary-deep);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--success);
}

.hero-title {
  margin: 20px 0 12px;
  font-size: clamp(32px, 4.8vw, 46px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--primary-deep);
  letter-spacing: -0.01em;
}

.hero-sub {
  margin-bottom: 28px;
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.9;
  max-width: 64ch;
}

.hero-sub strong {
  color: var(--primary-deep);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn i {
  font-size: 14px;
  transition: transform 0.25s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(47, 107, 133, 0.24);
}

.btn-primary:hover {
  background: var(--primary-deep);
  color: #fff;
  transform: translateY(-2px);
}

.btn-primary:hover i {
  transform: translateX(3px);
}

.btn-ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--primary-deep);
  box-shadow: 0 2px 10px rgba(23, 58, 72, 0.04);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.24);
  color: #fff;
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.address-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.address-inner {
  border: 1px dashed rgba(47, 107, 133, 0.28);
  border-radius: 18px;
  background: var(--primary-soft);
  padding: 18px;
  text-align: center;
}

.address-label {
  font-size: 13px;
  color: var(--text-caption);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.address-domain {
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 800;
  color: var(--primary-deep);
  letter-spacing: -0.02em;
  word-break: break-word;
}

.address-state {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-size: 14px;
  color: var(--text-weak);
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(56, 128, 94, 0.14);
}

.section {
  padding: clamp(52px, 7vw, 88px) 0;
}

.section-soft {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--page-bg) 100%);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-soft);
  border: 1px solid rgba(220, 229, 234, 0.9);
  color: var(--primary-deep);
  padding: 6px 15px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.section-title {
  margin: 16px 0 12px;
  font-size: clamp(27px, 3.8vw, 36px);
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1.3;
}

.section-desc {
  max-width: 68ch;
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.9;
}

.split-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 36px;
}

.link-with-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.link-with-arrow:hover {
  border-color: var(--primary);
}

.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.check-list {
  display: grid;
}

.check-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.check-item:last-child {
  border-bottom: none;
}

.check-no {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  background: var(--primary-soft);
  color: var(--primary);
}

.check-content strong {
  display: block;
  color: var(--primary-deep);
  font-size: 16px;
  margin-bottom: 4px;
}

.check-content p {
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.7;
}

.visual-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 260px;
}

.visual-caption {
  padding: 16px 20px;
  display: flex;
  gap: 10px;
  color: var(--text-weak);
  font-size: 14px;
  border-top: 1px solid var(--line);
}

.visual-caption i {
  color: var(--success);
  margin-top: 3px;
}

.directory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.dir-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 26px 20px 60px;
  box-shadow: 0 2px 8px rgba(23, 58, 72, 0.03);
  transition: all 0.25s ease;
}

.dir-card:hover {
  border-color: rgba(47, 107, 133, 0.55);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.dir-no {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-caption);
  letter-spacing: 0.08em;
}

.dir-card h3 {
  margin: 12px 0 6px;
  font-size: 18px;
  font-weight: 800;
  color: var(--primary-deep);
}

.dir-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

.dir-arrow {
  position: absolute;
  bottom: 20px;
  left: 20px;
  color: var(--primary);
  font-size: 20px;
  transition: transform 0.25s ease;
}

.dir-card:hover .dir-arrow {
  transform: translateX(6px);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: processStep;
}

.process-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 32px 24px 28px;
  box-shadow: var(--shadow-card);
  counter-increment: processStep;
  transition: all 0.25s ease;
}

.process-step:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.process-step::before {
  content: "0" counter(processStep);
  position: absolute;
  right: 18px;
  top: 16px;
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
  color: rgba(47, 107, 133, 0.1);
}

.process-icon {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}

.process-step h3 {
  color: var(--primary-deep);
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
}

.process-step p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.7;
}

.process-sub {
  margin-top: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 16px;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--text-weak);
  font-size: 14px;
}

.risk-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.risk-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
  transition: all 0.25s ease;
}

.risk-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(47, 107, 133, 0.4);
}

.risk-icon {
  width: 48px;
  height: 48px;
  border-radius: 18px;
  background: #FDF3EC;
  color: #B56A43;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 21px;
  margin-bottom: 20px;
}

.risk-card h3 {
  color: var(--primary-deep);
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
}

.risk-card p {
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.8;
}

.risk-card .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}

.access-band {
  background:
    linear-gradient(115deg, rgba(29, 70, 89, 0.97) 0%, rgba(29, 70, 89, 0.82) 62%, rgba(47, 107, 133, 0.8) 100%),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  border-radius: 28px;
  padding: clamp(28px, 5vw, 54px);
  color: #fff;
}

.access-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.access-band .section-tag {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.access-title {
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 800;
  color: #fff;
  margin: 14px 0 14px;
  line-height: 1.3;
}

.access-text {
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.9;
  margin-bottom: 22px;
}

.access-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.access-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 15px;
  line-height: 1.7;
}

.access-list i {
  color: #9CCEDB;
  margin-top: 5px;
}

.access-visual {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 24px;
  padding: 14px;
}

.access-visual img {
  border-radius: 16px;
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.faq-sidebar {
  background: var(--primary-soft);
  padding: 38px 34px;
  border-right: 1px solid var(--line);
}

.faq-sidebar h3 {
  font-size: 26px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--primary-deep);
  margin: 14px 0 12px;
}

.faq-sidebar p {
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.8;
}

.faq-list {
  padding: 8px 0;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  list-style: none;
  padding: 24px 30px;
  color: var(--primary-deep);
  font-size: 16px;
  font-weight: 700;
  transition: color 0.2s ease;
}

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

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding: 0 30px 26px;
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.85;
  max-width: 72ch;
}

.faq-icon {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--primary);
  transition: transform 0.25s ease, background 0.25s ease;
}

details[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--primary-soft);
  border-color: rgba(47, 107, 133, 0.4);
}

.cta-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow-card);
  padding: clamp(28px, 5vw, 52px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-panel h2 {
  color: var(--primary-deep);
  font-size: clamp(25px, 3.2vw, 32px);
  line-height: 1.35;
  margin-bottom: 10px;
}

.cta-panel p {
  color: var(--text-weak);
  line-height: 1.8;
}

.site-footer {
  background: #1D323C;
  color: rgba(255, 255, 255, 0.86);
  margin-top: 24px;
  padding-top: 56px;
}

.footer-inner {
  max-width: 1180px;
  margin-inline: auto;
  padding: 0 24px 36px;
  display: grid;
  grid-template-columns: 1.55fr 0.75fr 0.75fr 0.9fr;
  gap: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.footer-brand i {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  background: rgba(47, 107, 133, 0.28);
  color: #9CCEDB;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.footer-brand span {
  font-weight: 800;
  font-size: 20px;
  color: #fff;
}

.footer-desc {
  color: rgba(255, 255, 255, 0.67);
  font-size: 14px;
  line-height: 1.85;
  max-width: 44ch;
  margin-bottom: 16px;
}

.footer-col-title {
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 16px;
}

.footer-link {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  padding: 5px 0;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-link:hover {
  color: #fff;
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-bottom-inner {
  max-width: 1180px;
  margin-inline: auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
}

.back-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 70;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: var(--primary-deep);
  color: #fff;
  font-size: 16px;
  box-shadow: var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
  cursor: pointer;
}

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

.back-top:hover {
  background: var(--primary);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%) translateY(14px);
  background: rgba(29, 70, 89, 0.94);
  color: #fff;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 14px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 90;
  box-shadow: var(--shadow-hover);
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 1180px) {
  .directory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .section {
    padding: 60px 0;
  }
}

@media (max-width: 1023px) {
  .site-nav .nav-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .site-nav .nav-links {
    display: none !important;
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 18px;
    border-radius: 22px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-hover);
    z-index: 50;
  }

  .site-nav .nav-links.open {
    display: flex !important;
  }

  .site-nav .nav-links a {
    padding: 14px 18px;
    font-size: 15px;
    border-radius: 14px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .two-col-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .risk-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .access-grid {
    grid-template-columns: 1fr;
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .site-nav {
    padding: 8px 12px;
    width: calc(100% - 12px);
    top: 8px;
  }

  .category-hero {
    width: calc(100% - 16px);
    border-radius: 20px;
  }

  .hero-grid {
    padding: 28px 20px;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-sub {
    font-size: 15px;
  }

  .btn {
    width: 100%;
  }

  .hero-btn-row {
    flex-direction: column;
    align-items: stretch;
  }

  .address-domain {
    font-size: 19px;
  }

  .split-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .directory-grid {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .risk-grid {
    grid-template-columns: 1fr;
  }

  .faq-item summary {
    padding: 18px 18px;
    font-size: 15px;
  }

  .faq-item p {
    padding: 0 18px 20px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .section-title {
    font-size: 26px;
  }

  .directory-grid {
    grid-template-columns: 1fr;
  }

  .visual-card img {
    min-height: 180px;
  }

  .access-band {
    border-radius: 20px;
  }
}