/* roulang page: index */
:root {
            --primary: #0F947C;
            --primary-hover: #0B7766;
            --primary-light: #E2F1EC;
            --secondary: #D9941F;
            --secondary-light: #F5E7CE;
            --bg: #FAF9F4;
            --card-bg: #FFFFFF;
            --deep-bg: #0D2327;
            --text-main: #202D2F;
            --text-weak: #678087;
            --border: #E6E1D6;
            --border-strong: #D8D2C5;
            --radius: 10px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(13, 35, 39, 0.06);
            --shadow-md: 0 6px 18px rgba(13, 35, 39, 0.10);
            --shadow-lg: 0 14px 32px rgba(13, 35, 39, 0.14);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
            --space-section: 72px;
            --container-max: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-hover);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: var(--font-stack);
        }
        .eyebrow {
            font-size: 14px;
            color: var(--primary);
            font-weight: 650;
            letter-spacing: .06em;
            display: block;
            margin-bottom: 6px;
        }
        .section-padding {
            padding: var(--space-section) 0;
        }
        .container-c {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        .side-nav-layout {
            display: flex;
            min-height: 100vh;
            align-items: flex-start;
        }
        .sidebar {
            width: 272px;
            flex-shrink: 0;
            background: var(--deep-bg);
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 100;
            padding: 30px 22px 26px;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, .04);
            color: rgba(255, 255, 255, .92);
        }
        .main-content {
            margin-left: 272px;
            width: calc(100% - 272px);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .brand-logo {
            display: block;
            padding: 8px 10px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            margin-bottom: 18px;
        }
        .brand-logo .logo-main {
            font-size: 28px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: .02em;
            line-height: 1.2;
        }
        .brand-logo .logo-main span {
            color: var(--secondary);
        }
        .brand-logo .logo-sub {
            font-size: 13px;
            color: rgba(255, 255, 255, .72);
            margin-top: 2px;
            font-weight: 400;
            letter-spacing: .08em;
        }
        .side-nav {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            padding-bottom: 22px;
            margin-bottom: 22px;
        }
        .side-nav a {
            display: block;
            padding: 12px 18px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, .78);
            border-radius: 8px;
            position: relative;
            transition: all .22s ease;
            line-height: 1.4;
        }
        .side-nav a i {
            width: 20px;
            margin-right: 8px;
            font-size: 14px;
            opacity: .8;
            text-align: center;
        }
        .side-nav a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, .04);
        }
        .side-nav a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .side-nav a.active:: before {
            content: '';
            position: absolute;
            left: 0;
            top: 14%;
            width: 4px;
            height: 72%;
            background: var(--secondary);
            border-radius: 0 4px 4px 0;
        }
        .side-nav a.active i {
            opacity: 1;
            color: var(--primary);
        }
        .side-tip-panel {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: 10px;
            padding: 14px 16px;
            margin-bottom: 16px;
        }
        .side-tip-panel .tip-icon {
            color: var(--secondary);
            font-size: 16px;
            margin-bottom: 4px;
        }
        .side-tip-panel .tip-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
        }
        .side-tip-panel .tip-desc {
            font-size: 12px;
            color: rgba(255, 255, 255, .58);
            line-height: 1.5;
            margin-top: 4px;
        }
        .side-login-panel {
            background: rgba(255, 255, 255, .04);
            border-radius: 10px;
            padding: 16px;
        }
        .side-login-panel .login-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: .02em;
        }
        .side-login-panel input[type="text"],
        .side-login-panel input[type="password"] {
            width: 100%;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .08);
            color: #fff;
            padding: 9px 12px;
            font-size: 13px;
            border-radius: 6px;
            margin-bottom: 8px;
            transition: all .2s ease;
        }
        .side-login-panel input::placeholder {
            color: rgba(255, 255, 255, .4);
        }
        .side-login-panel input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 148, 124, .2)
        }
        .side-login-panel .btn-login-mini {
            width: 100%;
            padding: 10px 0;
            background: var(--primary);
            color: #fff;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            transition: all .18s;
            cursor: pointer;
        }
        .side-login-panel .btn-login-mini:hover {
            background: #0B7766;
        }
        .sidebar-footer {
            margin-top: 16px;
            text-align: center;
            font-size: 11px;
            color: rgba(255, 255, 255, .3);
        }
        .topbar-mobile {
            display: none;
            background: var(--deep-bg);
            padding: 0;
            position: fixed;
            left: 0;
            top: 0;
            right: 0;
            z-index: 100;
            height: 60px;
            align-items: center;
        }
        .topbar-mobile .mobile-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            padding-left: 16px;
        }
        .topbar-mobile .mobile-brand span {
            color: var(--secondary);
        }
        .topbar-mobile .menu-toggle {
            margin-left: auto;
            padding: 0 16px;
            color: #fff;
            font-size: 22px;
            background: none;
            border: none;
        }
        @media (max-width:64em) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform .3s ease;
                width: 280px;
                box-shadow: 2px 0 24px rgba(0, 0, 0, .2);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
                width: 100%;
            }
            .topbar-mobile {
                display: flex;
            }
            .main-content {
                padding-top: 60px;
            }
            .menu-overlay {
                display: none;
            }
            .menu-overlay.show {
                display: block;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, .5);
                z-index: 99;
            }
        }
        .nav-toggle-close{
            display:none;
        }
        @media (max-width:64em) {
            .nav-toggle-close {
                display: block;
                position: absolute;
                top: 12px;
                right: 16px;
                background: none;
                border: none;
                font-size: 28px;
                color: #fff;
                z-index: 999;
                padding: 0
            }
        }
        .nav-toggle-close:hover {
            color: var(--secondary);
        }
        /* Hero */
        .hero-section {
            background: var(--deep-bg);
            position: relative;
            overflow: hidden;
            padding-top: 90px;
            padding-bottom: 60px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center top / cover no-repeat;
            opacity: .28;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(100deg, rgba(13, 35, 39, .9) 0%, rgba(13, 35, 39, .75) 50%, rgba(13, 35, 39, .5) 100%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            min-height: 56vh;
        }
        .hero-copy {
            flex: 1.1;
            color: #fff;
            padding: 30px 0;
        }
        .hero-copy .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .1);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 28px;
            letter-spacing: .04em;
        }
        .hero-copy .hero-kicker i {
            color: var(--secondary);
        }
        .hero-copy h1 {
            font-size: 38px;
            font-weight: 750;
            line-height: 1.24;
            color: #fff;
            letter-spacing: .01em;
            margin-bottom: 18px;
            max-width: 600px;
        }
        .hero-copy h1 em {
            font-style: normal;
            color: var(--secondary);
        }
        .hero-copy .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .84);
            max-width: 540px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 34px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 34px;
            background: var(--secondary);
            color: #0d1a1d;
            font-weight: 700;
            font-size: 15px;
            border-radius: 999px;
            border: 1px solid transparent;
            transition: all .2s ease;
            cursor: pointer;
            line-height: 1.4;
            min-height: 46px;
        }
        .btn-primary:hover {
            background: #C78817;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(217, 148, 31, .25)
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            background: rgba(255, 255, 255, .04);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            border: 1.5px solid rgba(255, 255, 255, .45);
            border-radius: 999px;
            transition: all .2s ease;
            min-height: 46px;
            cursor: pointer;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .1);
            color: #fff;
            transform: translateY(-1px);
        }
        .hero-trust-row {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 24px;
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 18px;
            max-width: 600px;
        }
        .hero-trust-row span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, .62);
            padding: 4px 0;
        }
        .hero-trust-row span i {
            color: var(--secondary);
            font-size: 14px;
        }
        .hero-visual {
            flex: 1;
            max-width: 460px;
            position: relative;
            padding: 20px 10px;
        }
        .hero-login-card {
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 24px 60px rgba(0, 0, 0, .3);
            padding: 24px 20px;
            border-top: 4px solid var(--primary);
            overflow: hidden;
            position: relative;
        }
        .hero-login-card .dock-badge {
            background: var(--secondary-light);
            color: var(--secondary);
            display: inline-block;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .hero-login-card .dock-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--deep-bg);
            margin-bottom: 14px;
            text-align: left;
        }
        .hero-login-card .dock-divider {
            border-top: 1px dashed var(--border);
            margin: 16px 0;
        }
        .hero-login-card .dock-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            padding: 8px 12px;
            background: var(--bg);
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-main);
        }
        .hero-login-card .dock-row i {
            width: 24px;
            color: var(--primary);
        }
        .hero-login-card .dock-btn {
            width: 100%;
            background: var(--primary);
            color: #fff;
            padding: 14px;
            border-radius: 10px;
            text-align: center;
            font-weight: 650;
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all .2s;
        }
        .hero-login-card .dock-btn:hover {
            background: var(--primary-hover);
            transform: translateY(-1px)
        }
        .badge-pulse {
            position: absolute;
            right: 14px;
            top: 18px;
            background: var(--secondary);
            color: #0d1a1d;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 999px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%, 100% {
                transform: scale(1)
            }
            50% {
                transform: scale(1.06)
            }
        }
        /* 热门入口 */
        .section-label {
            display: inline-flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            margin-bottom: 12px;
        }
        .section-label .more-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-weak);
            padding-bottom: 4px;
            border-bottom: 2px solid transparent;
            transition: all .2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .section-label .more-link:hover {
            color: var(--primary);
            border-color: var(--primary);
        }
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 18px;
        }
        .entry-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            position: relative;
            transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
            display: flex;
            flex-direction: column;
        }
        .entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 148, 124, .3);
        }
        .entry-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #eef2f0;
        }
        .entry-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .entry-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .entry-card .num-badge {
            position: absolute;
            left: 14px;
            top: 14px;
            width: 30px;
            height: 30px;
            background: rgba(13, 35, 39, .88);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            z-index: 2;
            border-left: 3px solid var(--secondary);
        }
        .entry-card .card-body-std {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .entry-card h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color .2s;
        }
        .entry-card:hover h3 {
            color: var(--primary);
        }
        .entry-card .card-desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-weak);
            border-top: 1px solid var(--bg);
            padding-top: 10px;
            margin-top: auto;
        }
        .card-tag {
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 5px;
            font-size: 12px;
            font-weight: 500;
        }
        .card-arrow {
            color: var(--border-strong);
            transition: all .2s;
        }
        .entry-card:hover .card-arrow {
            color: var(--primary);
            transform: translateX(4px);
        }
        /* 最新信息 列表 */
        .cms-panel {
            background: var(--bg);
        }
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 10px;
        }
        .info-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            gap: 18px;
            transition: all .22s ease;
        }
        .info-item:hover {
            border-color: rgba(15, 148, 124, .4);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .info-item .cate-badge {
            flex-shrink: 0;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            min-width: 80px;
            text-align: center;
            font-weight: 600;
        }
        .info-item .info-content {
            flex: 1;
            min-width: 0;
        }
        .info-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            line-height: 1.5;
            transition: color .18s;
        }
        .info-item:hover h3 {
            color: var(--primary);
        }
        .info-item .summary {
            font-size: 14px;
            color: var(--text-weak);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            display: block;
        }
        .info-item .time {
            font-size: 13px;
            color: var(--text-weak);
            flex-shrink: 0;
            text-align: right;
            white-space: nowrap;
        }
        .empty-state-card {
            padding: 32px;
            background: var(--card-bg);
            border: 1px dashed var(--border-strong);
            border-radius: 12px;
            text-align: center;
            color: var(--text-weak);
            font-size: 15px;
            margin-top: 12px;
        }
        /* 评价轮播 */
        .testimonial-section {
            background: #fff;
        }
        .testimonial-placeholder {
            background: var(--primary-light);
            border-radius: 14px;
            padding: 28px;
            border: 1px solid rgba(15, 148, 124, .08);
            font-style: normal;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .testimonial-placeholder .quote-mark {
            font-size: 42px;
            color: var(--primary);
            opacity: .12;
            line-height: 1;
            font-family: Georgia, serif;
            flex-shrink: 0;
        }
        /* 保障横条 */
        .trust-strip {
            background: #f2efe7;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .trust-strip .trust-grid {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            padding: 30px 0;
            flex-wrap: wrap;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            min-width: 160px;
            justify-content: center;
            padding: 0 12px;
        }
        .trust-item i {
            font-size: 28px;
            color: var(--primary);
            opacity: .9;
        }
        .trust-item .t-title {
            font-weight: 650;
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.3;
        }
        .trust-item .t-desc {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.3;
        }
        /* FAQ */
        .faq-list {
            max-width: 900px;
            margin: 24px auto 0;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .2s;
        }
        .faq-item.open {
            border-color: rgba(15, 148, 124, .25);
        }
        .faq-question {
            padding: 18px 24px;
            background: transparent;
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            text-align: left;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            border-radius: 0;
            cursor: pointer;
            margin: 0;
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-qnum {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all .2s;
        }
        .faq-item.open .faq-qnum {
            background: var(--primary);
            color: #fff;
        }
        .faq-icon {
            margin-left: auto;
            flex-shrink: 0;
            color: var(--text-weak);
            font-size: 14px;
            transition: transform .2s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: #374b50;
            color: var(--text-main);
            border-top: 1px solid var(--bg);
            padding-top: 16px;
            background: var(--card-bg);
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* CTA 横幅 */
        .cta-banner {
            background: var(--deep-bg);
            border-radius: 20px;
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: .1;
        }
        .cta-banner h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, .8);
            margin-bottom: 28px;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
            font-size: 15px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }
        .cta-banner .btn-primary {
            background: var(--secondary);
            color: #0d1a1d;
            position: relative;
            z-index: 1;
            font-size: 16px;
        }
        /* Footer */
        .site-footer {
            background: var(--deep-bg);
            color: rgba(255, 255, 255, .8);
            padding: 44px 0 26px;
            margin-top: 80px;
        }
        .footer-grid {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
        }
        .footer-brand h4 {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand h4 span {
            color: var(--secondary);
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, .56);
            line-height: 1.7;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        .footer-copyright {
            max-width: var(--container-max);
            margin: 30px auto 0;
            padding: 18px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, .08);
            font-size: 12px;
            color: rgba(255, 255, 255, .38);
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        /* 文章页通用窄版 */
        .article-wrapper {
            max-width: 780px;
            margin: 40px auto 60px;
            padding: 0 24px;
        }
        @media (max-width:64em) {
            .hero-section {
                padding-top: 40px;
                padding-bottom: 30px;
            }
        }
        @media (max-width: 700px) {
            :root {
                --space-section: 48px;
            }
            .hero-copy h1 {
                font-size: 27px;
            }
            .hero-copy .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline-light {
                width: 100%;
            }
            .hero-section {
                padding-top: 30px;
            }
            .hero-content {
                flex-direction: column;
                gap: 18px;
            }
            .hero-visual {
                max-width: 100%;
                padding: 0 8px;
                width: 100%;
            }
            .entry-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .info-item {
                padding: 16px 16px;
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .info-item .time {
                text-align: left;
            }
            .info-item .summary {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            /* .info-item h3 white-space normal */;
        }
        .info-item h3 {
            white-space: normal;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-item h3 {
            white-space: nowrap;
        }
        @media (max-width:52em) {
            .cta-banner {
                border-radius: 0;
                padding: 40px 20px;
                margin: 20px -12px 0;
                text-align: center;
            }
            .cta-banner h2 {
                font-size: 25px;
            }
        }
        @media (max-width: 48em) {
            .trust-grid {
                flex-direction: column;
                padding: 35px 0 5px;
            }
            .trust-item {
                margin-bottom: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                padding-left: 18px;
                padding-right: 18px;
            }
        }
        .hide-overflow {
            overflow: hidden;
        }
        .skip-main {
            text-align: center;
            position: absolute;
            left: -9999px;
        }

/* roulang page: article */
:root{
  --primary:#0F947C;
  --primary-deep:#0B7766;
  --secondary:#D9941F;
  --ink:#202D2F;
  --muted:#678087;
  --paper:#FAF9F4;
  --card:#FFFFFF;
  --line:#E6E1D6;
  --dark:#0D2327;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 4px 16px rgba(15,42,38,.06);
  --shadow-md:0 14px 32px rgba(15,42,38,.12);
  --side-width:272px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(15,148,124,.32);
  outline-offset:2px;
}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;}
article section aside img{display:block;}

.skip-link{
  position:fixed;left:12px;top:-80px;z-index:999;background:var(--primary);color:#fff;
  padding:10px 18px;border-radius:999px;transition:top .2s;
}
.skip-link:focus{top:12px;}

/* 移动端顶部栏 */
.mobile-bar{
  display:none;
  position:sticky;top:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--line);
  height:62px;align-items:center;padding:0 18px;
}
.mobile-brand{
  display:flex;align-items:center;gap:8px;font-size:18px;font-weight:800;color:var(--dark);
}
.mobile-brand .logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--dark);color:var(--secondary);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.nav-burger{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--dark);font-size:22px;line-height:1;display:flex;
  align-items:center;justify-content:center;
}
.drawer-close{
  display:none;
}
.aside-backdrop{
  display:none;
}

/* 左侧导航 */
.site-aside{
  position:fixed;left:0;top:0;bottom:0;width:var(--side-width);z-index:100;
  background:var(--dark);color:#fff;
  overflow-y:auto;overflow-x:hidden;
  display:flex;flex-direction:column;
}
.aside-inner{padding:28px 22px 22px;height:100%;display:flex;flex-direction:column;}
.aside-brand{
  display:flex;align-items:center;gap:11px;margin-bottom:30px;
}
.brand-square{
  width:46px;height:46px;flex:0 0 46px;border-radius:13px;
  background:var(--secondary);color:var(--dark);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:18px;
}
.brand-text{
  display:flex;flex-direction:column;gap:3px;line-height:1.2;
}
.brand-text strong{
  font-size:20px;font-weight:800;letter-spacing:.02em;
}
.brand-text small{
  font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.04em;
}
.aside-tag{
  margin-top:4px;color:var(--secondary);
  font-size:12px;letter-spacing:.08em;
}
.aside-nav{
  list-style:none;display:flex;flex-direction:column;gap:6px;margin:0;
}
.aside-nav a{
  position:relative;display:flex;align-items:center;
  padding:11px 16px;border-radius:999px;color:rgba(255,255,255,.82);
  font-size:14px;line-height:1.4;transition:background .2s,color .2s,transform .2s;
}
.aside-nav a:hover{
  background:rgba(255,255,255,.1);color:#fff;transform:translateX(2px);
}
.aside-nav a.is-active{
  background:rgba(15,148,124,.18);color:#fff;
}
.aside-nav a.is-active::before{
  content:"";position:absolute;left:2px;top:50%;width:4px;height:20px;
  transform:translateY(-50%);border-radius:4px;background:var(--secondary);
}
.nav-dot{
  width:8px;height:8px;border-radius:50%;background:var(--secondary);margin-right:12px;flex:0 0 8px;
}
.aside-security{
  margin-top:26px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.08);
  padding:14px 15px;border-radius:12px;
}
.aside-security-title{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--secondary);
  font-weight:600;margin-bottom:7px;
}
.aside-security p{
  font-size:12px;color:rgba(255,255,255,.62);line-height:1.7;
}
.aside-login{
  margin-top:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  border-radius:14px;padding:15px;
}
.aside-login label{
  display:block;font-size:12px;color:rgba(255,255,255,.6);margin:9px 0 5px;
}
.aside-login input{
  width:100%;height:38px;background:#fff;border:1px solid transparent;
  border-radius:8px;padding:0 12px;color:var(--ink);font-size:13px;margin-bottom:2px;
}
.aside-login input:focus{
  border-color:var(--secondary);outline:none;box-shadow:0 0 0 3px rgba(217,148,31,.2);
}
.aside-login button{
  width:100%;height:42px;margin-top:14px;border:0;border-radius:10px;
  background:var(--secondary);color:var(--dark);font-weight:700;font-size:14px;
  transition:background .2s,transform .2s;
}
.aside-login button:hover{background:#f0a93c;transform:translateY(-1px);}
.aside-login button:active{transform:translateY(1px);}

/* 主内容区 */
.main-stage{
  margin-left:var(--side-width);
  min-height:100vh;
  display:flex;flex-direction:column;
}
.article-page-body{flex:1;}

/* 面包屑 */
.breadcrumb-bar{
  background:#fff;border-bottom:1px solid var(--line);
}
.breadcrumb-box{
  max-width:var(--container);margin:0 auto;padding:14px 32px;
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);
}
.breadcrumb-box a{color:var(--muted);transition:color .2s;}
.breadcrumb-box a:hover{color:var(--primary);}
.breadcrumb-box .sep{color:#c7c2b5;}

/* 正文版面 */
.article-wrap{
  background:linear-gradient(180deg,#fff 0%,var(--paper) 120px);
}
.article-layout{
  max-width:900px;margin:0 auto;padding:38px 28px 50px;
}
.article-card{
  background:#fff;border:1px solid rgba(230,225,214,.75);
  border-radius:22px;padding:30px 42px 38px;
  box-shadow:var(--shadow-sm);
}
.entry-cat{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(15,148,124,.1);color:var(--primary-deep);
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;
}
.entry-cat::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--secondary);
}
.article-title{
  margin-top:16px;font-size:38px;line-height:1.3;font-weight:800;
  color:var(--dark);letter-spacing:.01em;
}
.article-meta{
  margin-top:18px;padding-bottom:20px;border-bottom:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;
  font-size:13px;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item svg{width:15px;height:15px;fill:none;stroke:var(--secondary);stroke-width:1.8;}

.article-cms-body{
  padding-top:24px;color:#273638;
  font-size:16px;line-height:2;
}
.article-cms-body p{
  margin:0 0 18px;
}
.article-cms-body h2{
  font-size:24px;color:var(--dark);font-weight:700;
  margin:38px 0 14px;padding-left:14px;
  border-left:5px solid var(--secondary);
  line-height:1.4;
}
.article-cms-body h3{
  font-size:19px;color:var(--dark);font-weight:700;
  margin:30px 0 12px;
}
.article-cms-body h4{
  font-size:16px;font-weight:700;margin:22px 0 8px;
}
.article-cms-body ul,.article-cms-body ol{
  margin:0 0 20px 24px;
}
.article-cms-body li{
  margin:5px 0;
}
.article-cms-body a{
  color:var(--primary-deep);
  text-decoration:underline;text-underline-offset:3px;
  text-decoration-color:rgba(15,148,124,.3);
}
.article-cms-body a:hover{color:var(--secondary);text-decoration-color:var(--secondary);}
.article-cms-body blockquote{
  background:rgba(15,148,124,.07);border-left:4px solid var(--primary);
  border-radius:0 14px 14px 0;
  padding:16px 22px;margin:24px 0;color:var(--primary-deep);
  font-style:normal;
}
.article-cms-body img{
  border-radius:16px;margin:24px auto;
}
.article-cms-body figure{margin:20px auto;}
.article-cms-body figcaption{
  text-align:center;color:var(--muted);font-size:13px;margin-top:8px;
}
.article-cms-body table{
  width:100%;border-collapse:collapse;margin:22px 0;
}
.article-cms-body th{
  background:var(--dark);color:#fff;font-weight:600;
  padding:10px 14px;text-align:left;
}
.article-cms-body td{
  border-bottom:1px solid var(--line);padding:10px 14px;
}
.article-toc{
  background:#F7F3EA;border:1px solid var(--line);
  border-radius:14px;padding:18px 20px;margin:0 0 18px;
}
.article-toc-title{
  font-size:14px;font-weight:700;color:var(--primary-deep);margin-bottom:8px;
}
.article-toc ul{
  list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;
}
.article-toc a{
  font-size:14px;color:var(--ink);transition:color .2s;
}
.article-toc a:hover{color:var(--primary);padding-left:4px;}
.article-toc li{padding-left:0;transition:all .2s;}

.article-entry-tail{
  margin-top:36px;padding-top:24px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  font-size:14px;
}
.tail-cat{
  color:var(--muted);
}
.tail-cat strong{color:var(--primary-deep);font-weight:600;}
.category-back{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  background:var(--primary);color:#fff;border-radius:999px;
  padding:9px 18px;font-size:14px;transition:all .2s;
}
.category-back:hover{background:var(--primary-deep);transform:translateY(-1px);}
.back-home{
  display:inline-flex;align-items:center;
  border:1px solid var(--line);color:var(--ink);border-radius:999px;
  padding:9px 18px;font-size:14px;transition:all .2s;
}
.back-home:hover{border-color:var(--primary);color:var(--primary);}

/* 缺失状态 */
.missing-state{
  text-align:center;padding:70px 30px;
}
.missing-state .missing-code{
  color:var(--line);font-size:72px;line-height:1;font-weight:800;margin-bottom:14px;
}
.missing-state h1{
  font-size:26px;color:var(--dark);margin-bottom:10px;font-weight:800;
}
.missing-state p{
  color:var(--muted);margin-bottom:24px;
}

/* 引导条 */
.entry-guide-row{
  max-width:900px;margin:0 auto 36px;padding:0 28px;
}
.guide-box{
  background:var(--dark);border-radius:18px;color:#fff;
  padding:26px 32px;
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
}
.guide-text{font-size:14px;color:rgba(255,255,255,.78);line-height:1.8;}
.guide-text strong{
  color:var(--secondary);font-weight:700;margin-right:6px;
}
.guide-actions{margin-left:auto;display:flex;gap:10px;}
.guide-btn{
  border-radius:999px;padding:10px 18px;font-size:13px;font-weight:600;
  border:1px solid rgba(255,255,255,.3);color:#fff;
  transition:all .2s;
}
.guide-btn:hover{background:var(--secondary);border-color:var(--secondary);color:var(--dark);transform:translateY(-1px);}

/* 相关推荐 */
.related-section{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:54px 0;
}
.related-container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.section-label{
  display:flex;align-items:center;gap:10px;margin-bottom:8px;
}
.section-label .line{
  width:28px;height:3px;border-radius:3px;background:var(--secondary);font-size:0;
}
.label-text{
  color:var(--primary);font-size:14px;font-weight:600;letter-spacing:.06em;
}
.related-container h2{
  font-size:26px;font-weight:800;color:var(--dark);margin-bottom:26px;
}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:box-shadow .25s,transform .25s,border-color .25s;
}
.related-card:hover{
  border-color:rgba(15,148,124,.35);box-shadow:var(--shadow-md);transform:translateY(-4px);
}
.related-pic{
  aspect-ratio:16/9;overflow:hidden;background:#cfd3c9;
}
.related-pic img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s ease;
}
.related-card:hover .related-pic img{transform:scale(1.04);}
.related-card-body{padding:16px 18px 18px;}
.related-card-body h3{
  font-size:16px;line-height:1.5;font-weight:700;color:var(--dark);
  transition:color .2s;
}
.related-card:hover .related-card-body h3{color:var(--primary);}
.related-card-body p{
  margin-top:7px;font-size:13px;color:var(--muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-meta{
  margin-top:13px;display:flex;align-items:center;gap:8px;
  color:var(--muted);font-size:12px;
}
.related-tag{
  background:rgba(15,148,124,.1);color:var(--primary-deep);
  border-radius:999px;padding:3px 9px;font-weight:500;
}
.related-arrow{
  margin-left:auto;font-size:16px;color:var(--secondary);opacity:0;transform:translateX(-4px);transition:all .25s;
}
.related-card:hover .related-arrow{opacity:1;transform:translateX(0);}

/* FAQ */
.faq-block{
  padding:54px 0;background:var(--paper);
}
.faq-container{max-width:900px;margin:0 auto;padding:0 28px;}
.faq-container .section-label{margin-bottom:6px;}
.faq-container h2{
  font-size:26px;font-weight:800;color:var(--dark);margin-bottom:24px;
}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .2s;
}
.faq-item:hover{border-color:rgba(15,148,124,.3);}
.faq-item[open]{box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;gap:14px;
  padding:17px 22px;cursor:pointer;user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-number{
  width:30px;height:30px;flex:0 0 30px;border-radius:50%;
  background:rgba(15,148,124,.12);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;
}
.faq-question{
  font-size:15px;font-weight:700;color:var(--dark);
  transition:color .2s;
}
.faq-item:hover .faq-question{color:var(--primary);}
.faq-icon{
  margin-left:auto;color:var(--secondary);width:24px;height:24px;
  position:relative;flex:0 0 24px;
}
.faq-icon::before,.faq-icon::after{
  content:"";background:currentColor;border-radius:2px;
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  transition:transform .25s;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-answer{
  padding:0px 22px 18px 66px;
}
.faq-answer p{
  font-size:14px;color:#57686a;line-height:1.85;
}

/* CTA 横条 */
.cta-strip{
  background:linear-gradient(135deg,var(--dark) 0%,#143A3B 100%);
}
.cta-container{
  max-width:var(--container);margin:0 auto;padding:48px 32px;
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
}
.cta-content{
  color:#fff;flex:1 1 320px;
}
.cta-content h2{
  color:#fff;font-size:22px;font-weight:800;margin-bottom:8px;
}
.cta-content h2 span{color:var(--secondary);}
.cta-content p{
  color:rgba(255,255,255,.72);font-size:14px;max-width:560px;
}
.cta-btn{
  background:var(--secondary);border:0;border-radius:999px;
  color:var(--dark);font-weight:800;font-size:15px;
  height:48px;padding:0 30px;display:inline-flex;align-items:center;white-space:nowrap;
  transition:all .2s;
}
.cta-btn:hover{background:#F0A83C;transform:translateY(-2px);box-shadow:0 10px 26px rgba(217,148,31,.25);}
.cta-btn:active{transform:translateY(1px);box-shadow:none;}
.cta-btn.ghost{
  background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;margin-left:12px;
}
.cta-btn.ghost:hover{border-color:var(--secondary);color:var(--secondary);box-shadow:none;}

/* 全站页脚 */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.78);
  padding:48px 0 22px;
  margin-top:auto;
}
.footer-grid{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
}
.footer-brand span{display:block;}
.footer-brand h4,.footer-grid .footer-title{
  color:#fff;margin:0 0 12px;
}
.footer-brand h4{
  font-size:19px;font-weight:800;
}
.footer-brand h4 span{color:var(--secondary);display:inline;}
.footer-brand p{
  font-size:13px;color:rgba(255,255,255,.56);line-height:1.8;margin:10px 0 0;
}
.footer-grid > div:not(.footer-brand) .footer-title{
  font-size:14px;font-weight:700;margin-bottom:14px;color:rgba(255,255,255,.92);
}
.footer-links{list-style:none;}
.footer-links li{margin-bottom:8px;}
.footer-links a{
  font-size:13px;color:rgba(255,255,255,.62);transition:color .2s,padding-left .2s;
}
.footer-links a:hover{color:var(--secondary);padding-left:4px;}
.footer-copyright{
  max-width:var(--container);margin:30px auto 0;padding:18px 32px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  font-size:12px;color:rgba(255,255,255,.42);
}

/* 移动抽屉打开遮罩 */
body.drawer-open .aside-backdrop{
  display:block;position:fixed;inset:0;background:rgba(13,35,39,.48);z-index:90;
}

/* 响应式 */
@media (max-width:64em){
  .mobile-bar{
    display:flex;
  }
  .site-aside{
    transform:translateX(-100%);
    transition:transform .28s ease;
    box-shadow:0 20px 60px rgba(0,0,0,.28);
  }
  body.drawer-open .site-aside{
    transform:none;
  }
  .drawer-close{
    display:flex;align-items:center;justify-content:center;
    width:36px;height:36px;border:1px solid rgba(255,255,255,.2);
    background:transparent;color:#fff;font-size:24px;line-height:1;
    position:absolute;right:14px;top:12px;border-radius:10px;cursor:pointer;
  }
  .main-stage{
    margin-left:0;
  }
  .related-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
  .article-card{
    padding:24px 24px 30px;
  }
  .article-title{
    font-size:30px;
  }
}

@media (max-width:640px){
  .brand-text small{
    display:none;
  }
  .related-grid{
    grid-template-columns:1fr;
  }
  .article-card{
    padding:20px 17px 24px;
    border-radius:16px;
  }
  .article-title{
    font-size:25px;
  }
  .article-layout{
    padding:24px 14px 36px;
  }
  .related-container,.footer-grid,.cta-container{
    padding-left:18px;padding-right:18px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:22px;
  }
  .footer-copyright{
    padding-left:18px;padding-right:18px;
  }
  .article-meta{
    gap:10px 16px;
  }
  .tail-cat{
    width:100%;
  }
  .category-back,.back-home{
    margin-left:0;
  }
  .guide-box{
    padding:22px;
  }
  .guide-actions{
    margin-left:0;
    flex-wrap:wrap;
  }
  .faq-answer{
    padding-left:22px;
  }
  .cta-actions{
    width:100%;
  }
  .cta-btn{
    width:100%;justify-content:center;
  }
  .cta-btn.ghost{
    margin-left:0;margin-top:8px;
  }
  .article-cms-body{
    font-size:15px;
  }
  .article-cms-body iframe{
    width:100% !important;
    height:auto !important;
    min-height:220px;
  }
}

/* roulang page: category1 */
:root {
            --primary: #0F947C;
            --primary-dark: #0A7560;
            --secondary: #D9941F;
            --secondary-dark: #B97714;
            --ink: #0D2327;
            --paper: #FAF9F4;
            --card: #FFFFFF;
            --text: #202D2F;
            --muted: #678087;
            --line: #E6E1D6;
            --radius: 10px;
            --radius-lg: 18px;
            --shadow-sm: 0 2px 10px rgba(13, 35, 39, .05);
            --shadow-md: 0 14px 32px rgba(13, 35, 39, .10);
            --sidebar-width: 272px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--paper);
            line-height: 1.75;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.5;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(217, 148, 31, .45);
            outline-offset: 3px;
        }

        .skip-link {
            position: absolute;
            left: -999px;
            top: 0;
            background: #fff;
            color: var(--ink);
            padding: 10px 16px;
            z-index: 999;
            border-radius: 0 0 10px 0;
        }

        .skip-link:focus {
            left: 0;
        }

        .main-wrap {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--ink);
            z-index: 120;
            padding: 26px 18px 22px;
            display: flex;
            flex-direction: column;
            color: rgba(255, 255, 255, .82);
        }

        .brand-wrap {
            padding: 0 6px 22px;
            border-bottom: 1px solid rgba(255, 255, 255, .09);
            margin-bottom: 18px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .brand-mark {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--secondary);
            color: var(--ink);
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
        }

        .brand-copy {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .brand-copy strong {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
        }

        .brand-copy small {
            font-size: 12px;
            color: rgba(255, 255, 255, .55);
            margin-top: 3px;
        }

        .primary-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .nav-link {
            position: relative;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: 999px;
            color: rgba(255, 255, 255, .78);
            font-size: 14px;
            font-weight: 500;
            transition: background .15s ease, color .15s ease;
        }

        .nav-link i {
            width: 18px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            transition: color .15s ease;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, .07);
            color: #fff;
        }

        .nav-link:hover i {
            color: var(--secondary);
        }

        .nav-link.is-active {
            background: rgba(15, 148, 124, .22);
            color: #fff;
            padding-left: 20px;
        }

        .nav-link.is-active::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 18px;
            background: var(--secondary);
            border-radius: 6px;
        }

        .nav-link.is-active i {
            color: #fff;
        }

        .sidebar-extra {
            margin-top: auto;
            padding-top: 20px;
        }

        .safe-note {
            display: flex;
            gap: 10px;
            padding: 13px 14px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .08);
            font-size: 12px;
            line-height: 1.65;
            color: rgba(255, 255, 255, .74);
            margin-bottom: 12px;
        }

        .safe-note i {
            color: var(--secondary);
            font-size: 16px;
            margin-top: 2px;
        }

        .side-form {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .07);
            border-radius: 12px;
            padding: 13px;
        }

        .side-form label {
            display: block;
            color: rgba(255, 255, 255, .76);
            font-size: 12px;
            margin: 0 0 5px;
        }

        .side-form input {
            width: 100%;
            border: 1px solid #D8D2C5;
            background: #fff;
            color: var(--text);
            border-radius: 8px;
            padding: 8px 11px;
            font-size: 13px;
            margin-bottom: 9px;
            transition: border-color .15s ease, box-shadow .15s ease;
        }

        .side-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(15, 148, 124, .18);
        }

        .side-form .btn {
            width: 100%;
            min-height: 40px;
            font-size: 13px;
        }

        .sidebar-close {
            display: none;
        }

        .side-scrim {
            position: fixed;
            inset: 0;
            background: rgba(13, 35, 39, .5);
            z-index: 110;
            opacity: 0;
            visibility: hidden;
            transition: opacity .2s ease, visibility .2s ease;
        }

        .side-scrim.is-visible {
            opacity: 1;
            visibility: visible;
        }

        .mobile-header {
            display: none;
        }

        .grid-container {
            max-width: 1220px;
            padding-right: 30px;
            padding-left: 30px;
        }

        .category-hero {
            position: relative;
            background: var(--ink);
            color: #fff;
            overflow: hidden;
            padding: 74px 0;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px);
            background-size: 22px 22px;
            opacity: .5;
            pointer-events: none;
        }

        .hero-backdrop {
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 88%;
            background-size: cover;
            background-position: center;
            opacity: .25;
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
            gap: 58px;
            align-items: center;
        }

        .kick-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            letter-spacing: .06em;
            color: var(--secondary);
            margin-bottom: 18px;
            text-transform: uppercase;
        }

        .kick-line::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--secondary);
            display: inline-block;
        }

        .category-hero h1 {
            font-size: clamp(32px, 4.2vw, 46px);
            line-height: 1.25;
            font-weight: 750;
            margin: 0 0 20px;
            color: #fff;
            letter-spacing: -.01em;
        }

        .category-hero h1 .hero-highlight {
            color: var(--secondary);
            display: block;
            font-size: .72em;
            font-weight: 650;
            margin-top: 12px;
            letter-spacing: .02em;
        }

        .hero-desc {
            max-width: 590px;
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .78);
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 46px;
            padding: 11px 24px;
            border-radius: 999px;
            border: 1px solid transparent;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
        }

        .btn:hover {
            transform: translateY(-1px);
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-gold {
            background: var(--secondary);
            color: var(--ink);
            box-shadow: 0 8px 22px rgba(217, 148, 31, .28);
        }

        .btn-gold:hover {
            background: var(--secondary-dark);
            color: #fff;
            box-shadow: 0 12px 26px rgba(217, 148, 31, .34);
        }

        .btn-ghost-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
        }

        .btn-ghost-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(15, 148, 124, .5);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(15, 148, 124, .08);
            border-color: var(--primary);
        }

        .hero-visual-panel {
            position: relative;
        }

        .hero-visual-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 18px;
            padding: 10px;
            box-shadow: 0 24px 48px rgba(0, 0, 0, .2);
        }

        .hero-visual-card img {
            border-radius: 12px;
            width: 100%;
            object-fit: cover;
        }

        .hero-visual-note {
            margin-top: 10px;
            color: rgba(255, 255, 255, .66);
            font-size: 12px;
            line-height: 1.6;
            padding: 2px 6px 4px;
        }

        .section {
            padding: 74px 0;
        }

        .section--white {
            background: #fff;
        }

        .section--paper {
            background: var(--paper);
        }

        .section--soft {
            background: #F3F1EA;
        }

        .section-head {
            max-width: 780px;
            margin-bottom: 30px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: .04em;
            margin-bottom: 12px;
        }

        .eyebrow::before {
            content: "";
            width: 8px;
            height: 8px;
            background: var(--secondary);
            border-radius: 50%;
        }

        h2 {
            font-size: clamp(24px, 3vw, 30px);
            line-height: 1.3;
            font-weight: 650;
            color: var(--text);
            margin: 0 0 14px;
            letter-spacing: -.01em;
        }

        h3 {
            font-size: 19px;
            line-height: 1.45;
            font-weight: 600;
            margin: 0 0 8px;
        }

        .section-intro {
            font-size: 16px;
            line-height: 1.85;
            color: #50656B;
            max-width: 860px;
            margin-bottom: 36px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 14px;
            padding: 28px 26px;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
            position: relative;
            min-height: 100%;
        }

        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 148, 124, .35);
        }

        .feature-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(15, 148, 124, .12);
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 18px;
        }

        .feature-meta {
            margin-top: 16px;
            font-size: 12px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .split-area {
            padding: 74px 0;
            background: var(--paper);
        }

        .split-inner {
            display: grid;
            grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
            gap: 54px;
            align-items: center;
        }

        .split-media {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .split-media img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }

        .check-list {
            list-style: none;
            margin: 18px 0 0;
            padding: 0;
        }

        .check-list li {
            position: relative;
            padding: 6px 0 6px 32px;
            font-size: 15px;
            color: #41575D;
            line-height: 1.75;
        }

        .check-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            width: 20px;
            height: 20px;
            background: rgba(15, 148, 124, .12);
            color: var(--primary);
            border-radius: 50%;
            font-size: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .use-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .use-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            padding: 22px 22px 24px;
        }

        .use-card .use-no {
            font-size: 26px;
            font-weight: 700;
            color: rgba(217, 148, 31, .75);
            line-height: 1;
            margin-bottom: 12px;
        }

        .duo-section {
            background: #fff;
            padding: 74px 0;
        }

        .duo-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 42px;
            align-items: start;
        }

        .duo-main {
            min-width: 0;
        }

        .side-sticky {
            position: sticky;
            top: 28px;
        }

        .side-card {
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 22px;
            box-shadow: var(--shadow-sm);
        }

        .side-card h3 {
            font-size: 17px;
            border-bottom: 1px solid var(--line);
            padding-bottom: 12px;
            margin-bottom: 16px;
        }

        .side-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .side-nav-list li+li {
            border-top: 1px solid rgba(230, 225, 214, .7);
        }

        .side-nav-list a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 2px;
            font-size: 14px;
            color: #41575D;
            transition: color .15s ease;
        }

        .side-nav-list a:hover {
            color: var(--primary);
        }

        .side-nav-list a i {
            font-size: 12px;
            color: var(--secondary);
        }

        .side-tip {
            margin-top: 18px;
            padding: 12px 13px;
            border-radius: 10px;
            background: rgba(217, 148, 31, .08);
            border: 1px solid rgba(217, 148, 31, .18);
            color: #6B521C;
            font-size: 13px;
            line-height: 1.7;
        }

        .process-list {
            margin-top: 12px;
            counter-reset: step;
        }

        .process-item {
            display: grid;
            grid-template-columns: 68px 1fr;
            gap: 18px;
            margin-bottom: 26px;
            position: relative;
        }

        .process-item:not(:last-child)::after {
            content: "";
            position: absolute;
            left: 30px;
            top: 62px;
            width: 2px;
            height: calc(100% - 38px);
            background: linear-gradient(to bottom, var(--secondary), rgba(217, 148, 31, .15));
        }

        .process-no {
            width: 62px;
            height: 62px;
            border-radius: 16px;
            background: var(--ink);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 22px rgba(13, 35, 39, .14);
            justify-self: start;
        }

        .process-content {
            padding: 6px 0 4px;
        }

        .process-content h3 {
            margin-bottom: 6px;
        }

        .process-content p {
            color: var(--muted);
            font-size: 15px;
            margin: 0;
            line-height: 1.8;
        }

        .faq-section {
            background: #F7F5F0;
            padding: 74px 0;
        }

        .faq-panel {
            max-width: 920px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow .18s ease, border-color .18s ease;
        }

        .faq-item.is-open {
            box-shadow: var(--shadow-sm);
            border-color: rgba(15, 148, 124, .35);
        }

        .faq-q {
            width: 100%;
            background: transparent;
            border: 0;
            padding: 20px 22px;
            display: flex;
            align-items: center;
            gap: 14px;
            text-align: left;
            cursor: pointer;
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
        }

        .faq-count {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(15, 148, 124, .12);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
        }

        .faq-arrow {
            margin-left: auto;
            color: var(--secondary);
            transition: transform .2s ease;
            flex: 0 0 auto;
        }

        .faq-item.is-open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .25s ease;
        }

        .faq-item.is-open .faq-a {
            max-height: 260px;
        }

        .faq-a-inner {
            padding: 0 22px 23px 60px;
            color: #50656B;
            font-size: 15px;
            line-height: 1.85;
        }

        .cta-band {
            background: linear-gradient(120deg, #C9931C 0%, #E0A72E 52%, #B87C11 100%);
            color: var(--ink);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-band::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(13, 35, 39, .12) 1px, transparent 1px);
            background-size: 18px 18px;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            color: var(--ink);
            font-size: clamp(26px, 3.4vw, 36px);
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: rgba(13, 35, 39, .76);
            margin-bottom: 26px;
        }

        .btn-ink {
            background: var(--ink);
            color: #fff;
        }

        .btn-ink:hover {
            background: #183B42;
        }

        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, .82);
            padding: 56px 0 28px;
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 30px 34px;
            display: grid;
            grid-template-columns: 1.2fr .8fr .75fr .7fr;
            gap: 34px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 19px;
            margin: 0 0 12px;
            font-weight: 650;
        }

        .site-footer h4 span {
            color: var(--secondary);
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            margin: 0;
            max-width: 280px;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 13px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .62);
            font-size: 14px;
            transition: color .15s ease;
        }

        .footer-links a:hover {
            color: var(--secondary);
        }

        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, .09);
            padding-top: 22px;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 30px;
            padding-right: 30px;
            font-size: 13px;
            color: rgba(255, 255, 255, .42);
        }

        .mobile-header {
            display: none;
        }

        @media (max-width: 86em) {
            .duo-layout {
                grid-template-columns: minmax(0, 1fr) 280px;
                gap: 30px;
            }

            .feature-grid {
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 64em) {
            .site-sidebar {
                transform: translateX(-105%);
                transition: transform .22s ease;
                box-shadow: 0 0 40px rgba(0, 0, 0, .2);
            }

            .site-sidebar.is-open {
                transform: translateX(0);
            }

            .sidebar-close {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 38px;
                height: 38px;
                background: rgba(255, 255, 255, .07);
                color: rgba(255, 255, 255, .84);
                border: 0;
                border-radius: 50%;
                position: absolute;
                right: 14px;
                top: 14px;
                font-size: 20px;
                cursor: pointer;
            }

            .sidebar-brand-row {
                display: flex;
                align-items: center;
                justify-content: space-between;
            }

            .main-wrap {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
                align-items: center;
                justify-content: space-between;
                position: sticky;
                top: 0;
                z-index: 80;
                width: 100%;
                background: var(--ink);
                height: 64px;
                padding: 0 20px;
                color: #fff;
            }

            .mobile-brand {
                color: #fff;
                font-weight: 700;
                font-size: 16px;
                display: flex;
                align-items: center;
                gap: 8px;
            }

            .mobile-brand .brand-mark {
                width: 34px;
                height: 34px;
                border-radius: 10px;
                font-size: 14px;
                color: var(--ink);
                background: var(--secondary);
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-toggle {
                position: relative;
                width: 42px;
                height: 42px;
                background: transparent;
                border: 1px solid rgba(255, 255, 255, .12);
                border-radius: 8px;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 5px;
                cursor: pointer;
            }

            .nav-toggle span {
                display: block;
                width: 18px;
                height: 2px;
                border-radius: 2px;
                background: #fff;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .section,
            .split-area,
            .duo-section,
            .faq-section {
                padding: 54px 0;
            }

            .feature-grid,
            .use-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .duo-layout {
                grid-template-columns: 1fr;
            }

            .side-sticky {
                position: static;
                margin-top: 12px;
            }

            .split-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 40em) {
            .grid-container {
                padding-right: 18px;
                padding-left: 18px;
            }

            .category-hero {
                padding: 46px 0;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .feature-grid,
            .use-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                padding-right: 18px;
                padding-left: 18px;
            }

            .footer-copyright {
                padding-right: 18px;
                padding-left: 18px;
                text-align: center;
            }

            .faq-a-inner {
                padding-left: 22px;
            }

            .process-item {
                grid-template-columns: 52px 1fr;
                gap: 12px;
            }

            .process-no {
                width: 52px;
                height: 52px;
                border-radius: 14px;
                font-size: 17px;
            }

            .process-item:not(:last-child)::after {
                left: 24px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F947C;
            --primary-dark: #0B7766;
            --secondary: #D9941F;
            --secondary-dark: #C27E17;
            --bg: #FAF9F4;
            --card-bg: #FFFFFF;
            --dark: #0D2327;
            --ink: #202D2F;
            --muted: #678087;
            --line: #E6E1D6;
            --radius: 10px;
            --radius-lg: 18px;
            --shadow-sm: 0 2px 10px rgba(13, 35, 39, 0.04);
            --shadow-md: 0 12px 30px rgba(13, 35, 39, 0.08);
            --shadow-lg: 0 20px 45px rgba(13, 35, 39, 0.12);
            --transition: all 0.25s ease;
            --side-width: 272px;
            --space-section: 72px;
        }

        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.75;
            background-color: var(--bg);
            color: var(--ink);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        .container {
            max-width: 1200px;
            width: 90%;
            margin: 0 auto;
        }

        /* 左侧竖向导航 */
        .layout-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--side-width);
            height: 100vh;
            background-color: var(--dark);
            display: flex;
            flex-direction: column;
            z-index: 30;
            overflow-y: auto;
        }

        .sidebar-brand {
            padding: 28px 24px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-brand .logo-wrap {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-brand .logo-main {
            color: #fff;
            font-size: 22px;
            font-weight: 750;
            letter-spacing: 1px;
            line-height: 1.3;
        }

        .sidebar-brand .logo-main span {
            color: var(--secondary);
        }

        .sidebar-brand .logo-sub {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 2px;
        }

        .sidebar-nav {
            flex: 1;
            padding: 20px 14px;
        }

        .sidebar-nav .nav-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 999px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
            position: relative;
        }

        .sidebar-nav .nav-link i {
            width: 20px;
            font-size: 15px;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
        }

        .sidebar-nav .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .sidebar-nav .nav-link.active {
            background: rgba(15, 148, 124, 0.16);
            color: #ffffff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--secondary);
        }

        .sidebar-nav .nav-link.active i {
            color: var(--secondary);
        }

        .sidebar-bottom {
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .safe-hint {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            padding: 14px 16px;
            border-left: 3px solid var(--secondary);
        }

        .safe-hint .hint-title {
            color: #fff;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 6px;
            color: #fff;
        }

        .safe-hint .hint-title i {
            color: var(--secondary);
        }

        .safe-hint .hint-items {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
            display: flex;
            flex-wrap: wrap;
            gap: 4px 8px;
        }

        .safe-hint .hint-items span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .safe-hint .hint-dots {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--secondary);
            display: inline-block;
        }

        .side-login {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius);
            padding: 12px;
        }

        .side-login input {
            width: 100%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid transparent;
            border-radius: 8px;
            padding: 8px 10px;
            font-size: 13px;
            color: #fff;
            margin-bottom: 8px;
            outline: none;
        }

        .side-login input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .side-login input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.12);
        }

        .side-login .btn-block {
            width: 100%;
            background: var(--secondary);
            border: none;
            border-radius: 8px;
            color: #fff;
            padding: 10px 0;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
        }

        .side-login .btn-block:hover {
            background: var(--secondary-dark);
        }

        .side-login .btn-block:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* 主内容区 */
        .layout-main {
            padding-left: var(--side-width);
            min-height: 100vh;
        }

        .site-main {
            min-height: calc(100vh - 220px);
        }

        /* 顶部移动端隐藏导航头 */
        .topbar-mobile {
            display: none;
            background-color: var(--dark);
            padding: 14px 16px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 25;
        }

        .topbar-mobile .mobile-brand {
            color: #fff;
            font-weight: 700;
            font-size: 17px;
        }

        .topbar-mobile .mobile-brand span {
            color: var(--secondary);
        }

        .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Hero banner */
        .page-hero {
            position: relative;
            background-color: var(--dark);
            padding: 56px 0;
            background-image: linear-gradient(rgba(13, 35, 39, 0.92), rgba(13, 35, 39, 0.92)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
            border-bottom-left-radius: var(--radius-lg);
        }

        .page-hero .hero-pattern {
            position: absolute;
            top: -40px;
            right: -20px;
            font-size: 200px;
            opacity: 0.08;
            color: var(--secondary);
            font-weight: 800;
            line-height: 1;
            z-index: 1;
            pointer-events: none;
        }

        .page-hero .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 1000px;
            margin: 0 auto;
            padding: 20px 24px 0;
        }

        .page-hero .hero-crumb {
            display: flex;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }

        .page-hero .hero-crumb a:hover {
            color: var(--secondary);
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 750;
            line-height: 1.3;
            letter-spacing: 1px;
            color: #fff;
            margin-bottom: 16px;
        }

        .page-hero .hero-tagline {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 760px;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .page-hero .hero-proof {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 28px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .page-hero .proof-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

        .page-hero .proof-item i {
            color: var(--secondary);
            font-size: 13px;
        }

        /* 核心内容区 */
        .section {
            padding: var(--space-section) 0;
        }

        .section-title-wrap {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            max-width: 1000px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-title-wrap .eyebrow {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 3px;
            margin-bottom: 4px;
            display: block;
        }

        .section-title-wrap h2 {
            font-size: 30px;
            font-weight: 650;
            color: var(--ink);
            line-height: 1.3;
        }

        .section-title-wrap .more-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .section-title-wrap .more-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        .section-sub {
            max-width: 1000px;
            margin: -24px auto 32px;
            color: var(--muted);
            font-size: 16px;
            line-height: 1.8;
        }

        .inner-container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 步骤区块 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }

        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 20px;
            border: 1px solid rgba(230, 225, 214, 0.7);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .step-card .step-num {
            color: var(--secondary);
            font-size: 32px;
            font-weight: 750;
            line-height: 1;
            display: block;
            margin-bottom: 10px;
            opacity: 0.8;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 650;
            margin-bottom: 8px;
            color: var(--ink);
        }

        .step-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        .step-note {
            background: #e8f5f1;
            border-radius: var(--radius);
            border-left: 4px solid var(--primary);
            padding: 14px 18px;
            margin-top: 16px;
            font-size: 14px;
            color: #10423b;
        }

        /* 图文内容板块 */
        .media-card {
            display: flex;
            gap: 32px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--line);
            margin-bottom: 20px;
        }

        .media-card:nth-child(even) {
            flex-direction: row-reverse;
        }

        .media-card .media-image {
            flex: 1 1 45%;
        }

        .media-card .media-image img {
            border-radius: var(--radius);
            object-fit: cover;
            width: 100%;
            aspect-ratio: 16/9;
        }

        .media-card .media-body {
            flex: 1 1 55%;
        }

        .media-card .media-body h3 {
            font-size: 22px;
            color: var(--ink);
            margin-bottom: 12px;
            font-weight: 650;
        }

        .media-card .media-body p {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 10px;
            line-height: 1.8;
        }

        .media-card .media-body .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .tag-pill {
            background: var(--bg);
            color: var(--primary-dark);
            font-size: 13px;
            border-radius: 999px;
            padding: 6px 14px;
            border: 1px solid var(--line);
            font-weight: 500;
        }

        .tag-pill.gold {
            background: rgba(217, 148, 31, 0.08);
            border-color: rgba(217, 148, 31, 0.3);
            color: var(--secondary-dark);
        }

        /* 功能清单 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 20px;
            transition: var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .feature-card .iconbox {
            background: rgba(15, 148, 124, 0.1);
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .feature-card h3 {
            font-size: 18px;
            margin-bottom: 6px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* FAQ 区块 */
        .faq-panel {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            overflow: hidden;
            margin-bottom: 12px;
        }

        .faq-panel .faq-question {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            gap: 16px;
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            transition: var(--transition);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-panel .faq-question i {
            color: var(--secondary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-panel .faq-question:hover {
            background: #fcfaf7;
        }

        .faq-panel .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            display: none;
            border-top: 1px solid #f0ece3;
            padding-top: 16px;
        }

        .faq-panel.active .faq-answer {
            display: block;
        }

        .faq-panel.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        /* CTA */
        .cta-banner {
            background-color: var(--secondary);
            background-image: radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.16) 0, transparent 30%);
            border-radius: 2rem;
            padding: 48px 40px;
            color: #fff;
        }

        .cta-banner .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 28px;
        }

        .cta-banner h2 {
            font-size: 28px;
            font-weight: 750;
            margin-bottom: 8px;
        }

        .cta-banner .cta-text {
            color: rgba(255, 255, 255, 0.95);
            font-size: 16px;
            max-width: 600px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            min-height: 44px;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--secondary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--secondary-dark);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--secondary-dark);
            outline-offset: 4px;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--dark);
            color: #fff;
            margin-left: var(--side-width);
            padding: 40px 40px 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 0.8fr;
            gap: 32px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-brand h4 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand h4 span {
            color: var(--secondary);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
        }

        .footer-grid .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-grid ul.footer-links {
            list-style: none;
        }

        .footer-grid ul.footer-links li {
            margin-bottom: 8px;
        }

        .footer-grid ul.footer-links li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            transition: var(--transition);
        }

        .footer-grid ul.footer-links li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer-copyright {
            max-width: 1200px;
            margin: 32px auto 0;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 桌面 / 移动适配 */
        @media screen and (max-width: 64em) {
            .layout-sidebar {
                visibility: hidden;
                opacity: 0;
                transform: translateX(-100%);
                transition: all 0.3s ease;
            }

            .layout-sidebar.show-sidebar {
                visibility: visible;
                opacity: 1;
                transform: translateX(0);
            }

            .layout-main,
            .site-footer {
                margin-left: 0;
                padding-left: 0;
                width: 100%;
            }

            .topbar-mobile {
                display: flex;
            }

            .page-hero {
                margin: 0;
                border-radius: 0;
            }
        }

        @media screen and (max-width: 52em) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .media-card,
            .media-card:nth-child(even) {
                flex-direction: column;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .section-title-wrap {
                flex-direction: column;
                gap: 8px;
                align-items: start;
                margin-bottom: 20px;
            }
        }

        @media screen and (max-width: 36em) {
            .steps-grid,
            .feature-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                gap: 12px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .section {
                padding: 48px 0;
            }

            .cta-banner {
                padding: 32px 20px;
            }
        }

        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 20;
        }
