/* roulang page: index */
:root {
            --primary: #0E7C6B;
            --primary-dark: #0F766E;
            --accent: #FF7A59;
            --accent-hover: #FF6540;
            --accent-light: #FF8A6B;
            --secondary: #38BDF8;
            --gold: #F5B840;
            --bg-body: #F7F9F8;
            --bg-card: #FFFFFF;
            --bg-deep: #0E2A28;
            --text-main: #1A1D1C;
            --text-sub: #5B6B68;
            --text-muted: #8A9B98;
            --border-color: #E3ECE9;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(14, 44, 42, .06);
            --shadow-lg: 0 8px 24px rgba(14, 44, 42, .12);
            --container-w: 1200px;
            --space-section: clamp(48px, 6vw, 80px);
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-body);
            letter-spacing: 0.02em;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease, border-color .25s ease, background-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul,
        ol,
        li {
            list-style: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(14, 124, 107, .35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .row {
            max-width: none;
        }
        .section {
            padding: var(--space-section) 0;
            display: block;
            width: 100%;
        }
        .section-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-sub);
            margin-bottom: 36px;
            max-width: 640px;
            line-height: 1.7;
        }
        .text-center {
            text-align: center;
        }
        .center-block {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 顶部信息条 ========== */
        .topbar {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .85);
            font-size: 13px;
            height: 36px;
            line-height: 36px;
            padding: 0 24px;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .topbar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar-left .domain {
            font-weight: 500;
            color: #fff;
        }
        .topbar-left .sep {
            width: 1px;
            height: 12px;
            background: rgba(255, 255, 255, .3);
            display: inline-block;
        }
        .topbar-left .note {
            color: rgba(255, 255, 255, .7);
        }
        .topbar-right {
            display: flex;
            gap: 12px;
        }
        .topbar-right a {
            color: rgba(255, 255, 255, .85);
            font-size: 13px;
            padding: 2px 10px;
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 6px;
            line-height: 2;
            transition: all .25s;
        }
        .topbar-right a:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, .6);
            background: rgba(255, 255, 255, .08);
        }

        /* ========== 主导航 ========== */
        .main-nav {
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border-color);
            height: 72px;
        }
        .main-nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-logo .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: var(--shadow-sm);
        }
        .nav-logo .logo-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.01em;
            line-height: 1.2;
            color: var(--text-main);
            white-space: nowrap;
        }
        .nav-logo .logo-text span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
        }
        .nav-links>li {
            margin: 0 2px;
        }
        .nav-links>li>a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: 8px;
            position: relative;
            transition: color .25s, background .25s;
            line-height: 1.4;
        }
        .nav-links>li>a:hover {
            color: var(--primary);
            background: rgba(14, 124, 107, .06);
        }
        .nav-links>li.active>a {
            color: var(--primary);
            font-weight: 700;
            background: rgba(14, 124, 107, .08);
        }
        .nav-links>li.active>a::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            margin-left: 8px;
            padding-left: 16px;
            border-left: 1px solid var(--border-color);
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .btn-nav {
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-nav-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-nav-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 122, 89, .3);
        }
        .btn-nav-outline {
            border: 1.5px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-nav-outline:hover {
            background: rgba(14, 124, 107, .08);
            color: var(--primary-dark);
        }
        .burger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: #fff;
            color: var(--text-main);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all .25s;
        }
        .burger:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 移动端抽屉菜单 */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 200;
            box-shadow: -8px 0 30px rgba(0, 0, 0, .12);
            transition: right .35s ease;
            padding: 24px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .drawer-mask {
            position: fixed;
            inset: 0;
            background: rgba(14, 42, 40, .5);
            z-index: 190;
            opacity: 0;
            visibility: hidden;
            transition: all .3s;
        }
        .drawer-mask.open {
            opacity: 1;
            visibility: visible;
        }
        .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: #fff;
            color: var(--text-main);
            font-size: 16px;
            cursor: pointer;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .drawer-links a {
            display: flex;
            align-items: center;
            min-height: 48px;
            padding: 0 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            border-bottom: 1px solid var(--border-color);
            border-radius: 0;
        }
        .drawer-links a:hover {
            color: var(--primary);
            background: rgba(14, 124, 107, .05);
        }
        .drawer-links a.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(14, 124, 107, .08);
        }

        /* ========== Hero 首屏 ========== */
        .hero {
            background: var(--bg-deep);
            position: relative;
            color: #fff;
            padding: clamp(70px, 8vw, 110px) 0;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .18;
            z-index: 0;
        }
        .hero::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 80%, rgba(56, 189, 248, .12) 0%, transparent 60%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .hero-content {
            flex: 1 1 48%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 24px;
        }
        .hero-badge i {
            color: var(--gold);
            font-size: 12px;
        }
        .hero h1 {
            font-size: clamp(30px, 4.2vw, 52px);
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: 0.01em;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero h1 span {
            color: var(--secondary);
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .25s ease;
            border: 2px solid transparent;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 122, 89, .35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: transparent;
            color: #fff;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid rgba(255, 255, 255, .5);
            transition: all .25s ease;
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }
        .hero-visual {
            flex: 1 1 42%;
            min-height: 320px;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            box-shadow: 0 20px 50px rgba(0, 0, 0, .3);
            min-height: 340px;
        }
        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 42, 40, .15) 0%, transparent 70%);
        }
        .hero-trust {
            position: absolute;
            bottom: 24px;
            left: 24px;
            right: 24px;
            z-index: 3;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            background: rgba(14, 42, 40, .7);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border-radius: var(--radius-md);
            padding: 12px 16px;
        }
        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, .9);
            font-weight: 500;
        }
        .hero-trust span i {
            color: var(--gold);
            font-size: 14px;
        }
        .hero-trust-bottom {
            margin-top: 48px;
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, .15);
            padding-top: 24px;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
        }
        .trust-item i {
            color: var(--secondary);
            font-size: 16px;
        }

        /* ========== 热门入口卡片 ========== */
        .hot-cards {
            background: var(--bg-body);
            padding: var(--space-section) 0;
        }
        .hot-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .hot-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all .25s ease;
            position: relative;
            overflow: hidden;
        }
        .hot-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(14, 124, 107, .3);
        }
        .hot-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 22px;
            background: linear-gradient(135deg, rgba(14, 124, 107, .1), rgba(56, 189, 248, .12));
            color: var(--primary);
            transition: all .3s;
        }
        .hot-card:hover .card-icon {
            background: var(--primary);
            color: #fff;
        }
        .hot-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .hot-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 16px;
            min-height: 42px;
        }
        .hot-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
        }
        .hot-card .card-link i {
            transition: transform .25s;
        }
        .hot-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 评价轮播 ========== */
        .reviews-section {
            background: #F0F5F4;
            padding: var(--space-section) 0;
            position: relative;
        }
        .reviews-wrapper {
            position: relative;
            max-width: 1100px;
            margin: 0 auto;
        }
        .review-track {
            display: flex;
            gap: 24px;
            overflow: hidden;
            padding: 10px 0;
        }
        .review-slide {
            flex: 0 0 calc(33.333% - 16px);
            transition: all .4s ease;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .review-stars {
            display: flex;
            gap: 3px;
            color: var(--gold);
            font-size: 15px;
        }
        .review-text {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-main);
            flex: 1;
            border-left: 3px solid var(--primary);
            padding-left: 14px;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }
        .review-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .review-tag {
            font-size: 12px;
            color: var(--text-muted);
        }
        .review-nav {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 24px;
            align-items: center;
        }
        .review-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1.5px solid var(--border-color);
            background: #fff;
            color: var(--text-sub);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .25s;
            font-size: 14px;
        }
        .review-arrow:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(14, 124, 107, .06);
        }
        .review-dots {
            display: flex;
            gap: 8px;
        }
        .review-dot {
            width: 8px;
            height: 8px;
            border-radius: var(--radius-pill);
            background: #C6D6D3;
            cursor: pointer;
            transition: all .3s;
        }
        .review-dot.active {
            background: var(--primary);
            width: 24px;
        }

        /* ========== 保障条 ========== */
        .guarantee {
            background: #fff;
            padding: 56px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
        }
        .guarantee-item {
            text-align: center;
            padding: 20px 8px;
            border-radius: var(--radius-md);
            transition: background .25s;
        }
        .guarantee-item:hover {
            background: rgba(14, 124, 107, .04);
        }
        .guarantee-item .g-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(14, 124, 107, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 12px;
            transition: all .3s;
        }
        .guarantee-item:hover .g-icon {
            background: var(--accent);
            color: #fff;
            transform: scale(1.06);
        }
        .guarantee-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }
        .guarantee-item p {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* ========== CTA 行动条 ========== */
        .cta-band {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .04);
        }
        .cta-band .container {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-text h2 {
            font-size: clamp(22px, 2.8vw, 34px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-text p {
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
        }
        .cta-band .btn-primary {
            font-size: 16px;
            padding: 14px 36px;
            background: var(--accent);
            box-shadow: 0 4px 16px rgba(255, 122, 89, .3);
        }
        .cta-band .btn-primary:hover {
            background: var(--accent-hover);
        }

        /* ========== 最新资讯列表 ========== */
        .news-section {
            background: var(--bg-body);
            padding: var(--space-section) 0;
        }
        .news-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .news-main {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-card {
            display: flex;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all .25s ease;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: rgba(14, 124, 107, .25);
        }
        .news-thumb {
            width: 120px;
            min-height: 100px;
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            padding: 16px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .badge-cat {
            background: rgba(56, 189, 248, .15);
            color: #0284C7;
            font-size: 12px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
        }
        .news-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
        }
        .news-body p {
            font-size: 14px;
            color: var(--text-sub);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.6;
        }
        .news-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            align-self: flex-start;
        }
        .news-link i {
            transition: transform .25s;
        }
        .news-link:hover i {
            transform: translateX(4px);
        }
        .news-side {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 28px;
            align-self: start;
            position: sticky;
            top: 90px;
        }
        .news-side h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .side-list {
            display: flex;
            flex-direction: column;
        }
        .side-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--text-sub);
            transition: all .25s;
        }
        .side-list a:last-child {
            border-bottom: none;
        }
        .side-list a:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        .side-list .num {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(14, 124, 107, .1);
            width: 26px;
            height: 26px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .side-entry {
            margin-top: 24px;
            background: rgba(14, 124, 107, .06);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
        }
        .side-entry h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .side-entry p {
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 12px;
        }
        .side-entry .btn-primary {
            width: 100%;
            justify-content: center;
            font-size: 14px;
            padding: 10px 16px;
        }
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
            color: var(--text-muted);
            font-size: 15px;
        }
        .empty-state i {
            font-size: 40px;
            color: #C6D6D3;
            display: block;
            margin-bottom: 12px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
            padding: var(--space-section) 0;
        }
        .faq-layout {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all .3s ease;
        }
        .faq-item.active {
            border-color: rgba(14, 124, 107, .3);
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            user-select: none;
            transition: all .25s;
        }
        .faq-q:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(14, 124, 107, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 400;
            transition: transform .3s ease, background .3s;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            padding: 0 24px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-sub);
        }
        .faq-item.active .faq-a {
            max-height: 400px;
            padding-bottom: 20px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .72);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand .logo-text span {
            color: var(--secondary);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 16px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, .2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            transition: all .25s;
        }
        .footer-social a:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: all .25s;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .footer-col ul a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            font-size: 14px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, .65);
        }
        .footer-contact li i {
            color: var(--secondary);
            margin-top: 3px;
            width: 16px;
            text-align: center;
        }
        .copyright {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .hot-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .review-slide {
                flex: 0 0 calc(50% - 12px);
            }
            .news-wrapper {
                grid-template-columns: 1fr;
            }
            .news-side {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .burger {
                display: flex;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .topbar {
                padding: 0 16px;
            }
            .topbar-left .note {
                display: none;
            }
            .hero {
                padding: 50px 0;
            }
            .hero .container {
                gap: 32px;
            }
            .hero-content,
            .hero-visual {
                flex: 1 1 100%;
            }
            .hero-visual {
                min-height: 260px;
            }
            .hot-card-grid {
                grid-template-columns: 1fr;
            }
            .review-slide {
                flex: 0 0 100%;
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .cta-band .container {
                flex-direction: column;
                text-align: center;
            }
            .cta-text p {
                margin-bottom: 20px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .nav-logo .logo-text {
                font-size: 16px;
                white-space: normal;
                line-height: 1.3;
                max-width: 180px;
            }
            .topbar-right a {
                padding: 2px 8px;
                font-size: 12px;
            }
        }
        @media (max-width: 520px) {
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0E7C6B;
            --primary-dark: #0C6A5C;
            --primary-light: #E6F4F1;
            --accent: #FF7A59;
            --accent-hover: #FF6540;
            --accent-light: #FFE8E2;
            --secondary: #F5B840;
            --dark: #0E2A28;
            --dark-2: #143330;
            --bg: #F7F9F8;
            --card-bg: #FFFFFF;
            --text: #1A1D1C;
            --text-muted: #5B6B68;
            --text-light: #8A9B98;
            --border: #E3ECE9;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(14,44,42,.06);
            --shadow-lg: 0 8px 24px rgba(14,44,42,.12);
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --container-w: 1200px;
            --spacer-xl: 80px;
            --spacer-lg: 64px;
            --spacer-md: 48px;
            --spacer-sm: 32px;
        }

        /* ===== 基础重置 ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            letter-spacing: .02em;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        ul, ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        .container-fluid {
            width: 100%;
            padding: 0 24px;
        }
        .row {
            max-width: none;
        }

        /* ===== 顶部信息条 ===== */
        .top-bar {
            background: var(--dark);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 13px;
            color: rgba(255,255,255,.85);
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .top-bar-left i {
            color: var(--secondary);
            font-size: 12px;
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .top-bar-right a {
            color: rgba(255,255,255,.85);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 0;
            border-bottom: 1px solid transparent;
            transition: border-color .2s;
        }
        .top-bar-right a:hover {
            border-bottom-color: rgba(255,255,255,.7);
            color: #fff;
        }

        /* ===== 主导航 ===== */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(14,44,42,.03);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 12px rgba(14,124,107,.25);
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .01em;
            line-height: 1.3;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 8px;
            position: relative;
            transition: color .2s, background .2s;
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(.6);
            transition: opacity .2s, transform .2s;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a:hover::after,
        .nav-links .active a::after {
            opacity: 1;
            transform: scaleX(1);
        }
        .nav-links .active a {
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-light);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            transition: all .25s ease;
        }
        .btn-nav-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }
        .btn-nav-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-nav-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(255,122,89,.3);
        }
        .btn-nav-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(255,122,89,.35);
            color: #fff;
        }
        .btn-nav-primary:active,
        .btn-nav-outline:active {
            transform: translateY(0);
        }
        .burger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text);
            background: var(--bg);
            transition: background .2s;
        }
        .burger:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ===== 移动端导航抽屉 ===== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 200;
            box-shadow: -8px 0 30px rgba(14,44,42,.15);
            padding: 28px 24px;
            overflow-y: auto;
            transition: right .35s ease;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 30px;
        }
        .drawer-logo {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
        }
        .drawer-logo span {
            color: var(--primary);
        }
        .drawer-close {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-muted);
        }
        .drawer-close:hover {
            background: var(--accent-light);
            color: var(--accent);
        }
        .drawer-menu {
            list-style: none;
            margin: 0;
        }
        .drawer-menu li {
            border-bottom: 1px solid var(--border);
        }
        .drawer-menu a {
            display: block;
            padding: 14px 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 6px;
        }
        .drawer-menu a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .drawer-menu .active a {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .drawer-cta {
            display: grid;
            gap: 10px;
            margin-top: 30px;
        }
        .drawer-cta .btn {
            width: 100%;
            justify-content: center;
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(14,42,40,.5);
            z-index: 199;
            backdrop-filter: blur(2px);
        }
        .drawer-overlay.show {
            display: block;
        }

        /* ===== 按钮通用 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: all .25s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255,122,89,.3);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255,122,89,.4);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255,255,255,.75);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,.1);
            color: #fff;
            border-color: #fff;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
        }
        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .btn-lg {
            padding: 14px 34px;
            font-size: 16px;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb-bar a {
            color: var(--text-muted);
            transition: color .2s;
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .sep {
            color: var(--text-light);
            font-size: 12px;
        }
        .breadcrumb-bar .current {
            color: var(--text);
            font-weight: 500;
            max-width: 400px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 文章主体布局 ===== */
        .post-section {
            padding: var(--spacer-lg) 0;
        }
        .post-layout {
            display: flex;
            gap: 40px;
        }
        .post-main {
            flex: 1 1 66%;
            max-width: 720px;
        }
        .post-sidebar {
            flex: 0 0 340px;
            max-width: 340px;
        }

        /* 文章卡片 */
        .post-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
        }
        .post-card h1 {
            font-size: clamp(26px, 3.2vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: .01em;
            margin-bottom: 16px;
        }
        .post-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 28px;
        }
        .post-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .post-meta .meta-item i {
            color: var(--primary);
            font-size: 13px;
        }
        .post-meta .meta-cat {
            display: inline-flex;
            align-items: center;
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
        }

        /* 正文 */
        .post-content {
            font-size: 15.5px;
            line-height: 1.8;
            color: var(--text);
        }
        .post-content p {
            margin-bottom: 1.6em;
        }
        .post-content h2 {
            font-size: 22px;
            font-weight: 700;
            margin: 1.6em 0 .8em;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }
        .post-content h3 {
            font-size: 19px;
            font-weight: 600;
            margin: 1.4em 0 .6em;
        }
        .post-content ul {
            list-style: none;
            margin: 0 0 1.6em;
            padding: 0;
        }
        .post-content ul li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 10px;
        }
        .post-content ul li::before {
            content: "";
            position: absolute;
            left: 4px;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 2px;
            background: var(--primary);
            opacity: .7;
        }
        .post-content ol {
            margin: 0 0 1.6em;
            padding-left: 20px;
        }
        .post-content ol li {
            margin-bottom: 8px;
        }
        .post-content blockquote {
            margin: 1.8em 0;
            padding: 18px 24px;
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: normal;
        }
        .post-content blockquote p {
            margin: 0;
        }
        .post-content img {
            border-radius: var(--radius-md);
            margin: 1.6em 0;
            box-shadow: var(--shadow-sm);
        }
        .post-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
            font-size: 14px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
        }
        .post-content table th {
            background: var(--dark);
            color: #fff;
            padding: 12px 16px;
            font-weight: 600;
            text-align: left;
        }
        .post-content table td {
            padding: 11px 16px;
            border-bottom: 1px solid var(--border);
        }
        .post-content table tr:last-child td {
            border-bottom: none;
        }
        .post-content code {
            background: var(--primary-light);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
            color: var(--primary-dark);
        }
        .post-content pre {
            background: var(--dark);
            color: #E6F4F1;
            padding: 22px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.6em 0;
            font-size: 14px;
            line-height: 1.6;
        }
        .post-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }
        .post-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .post-content a:hover {
            color: var(--accent);
        }

        /* 上一篇/下一篇 */
        .post-pager {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }
        .pager-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 18px 20px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all .25s;
        }
        .pager-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .pager-item.next {
            text-align: right;
        }
        .pager-item .dir {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .pager-item.next .dir {
            justify-content: flex-end;
        }
        .pager-item .tt {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
        }

        /* 内容未找到 */
        .post-not-found {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
        }
        .post-not-found .icon-wrap {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--primary);
            margin: 0 auto 24px;
        }
        .post-not-found h2 {
            font-size: 24px;
            color: var(--text);
            margin-bottom: 12px;
        }
        .post-not-found p {
            margin-bottom: 24px;
        }

        /* ===== 侧边栏 ===== */
        .widget {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }
        .widget-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
            letter-spacing: .01em;
        }
        .widget-title i {
            color: var(--primary);
            margin-right: 6px;
        }

        /* 热门文章列表 */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid #F0F5F4;
            transition: background .2s;
        }
        .hot-item:last-child {
            border-bottom: none;
        }
        .hot-item:hover {
            background: var(--bg);
            border-radius: 8px;
        }
        .hot-item .rank {
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .hot-item:nth-child(1) .rank {
            background: var(--accent);
            color: #fff;
        }
        .hot-item:nth-child(2) .rank {
            background: #FFD9CF;
            color: var(--accent);
        }
        .hot-thumb {
            width: 56px;
            height: 56px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .hot-item .info {
            flex: 1;
            min-width: 0;
        }
        .hot-item .info a {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .2s;
        }
        .hot-item .info a:hover {
            color: var(--primary);
        }
        .hot-item .info .time {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 3px;
        }

        /* 相关推荐 */
        .rel-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .rel-card {
            display: flex;
            gap: 12px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 12px;
            transition: all .25s;
        }
        .rel-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .rel-card img {
            width: 84px;
            height: 72px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .rel-card .rel-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .rel-card .rel-info a {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .rel-card .rel-info a:hover {
            color: var(--primary);
        }
        .rel-card .rel-info .tag {
            font-size: 11px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 1px 8px;
            border-radius: 999px;
            display: inline-block;
            width: fit-content;
        }

        /* 侧边栏入口位 */
        .widget-cta {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
            color: #fff;
            border: none;
            position: relative;
            overflow: hidden;
        }
        .widget-cta::after {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            border: 20px solid rgba(255,255,255,.05);
        }
        .widget-cta h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .widget-cta p {
            font-size: 13.5px;
            color: rgba(255,255,255,.75);
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .widget-cta .btn {
            width: 100%;
            justify-content: center;
        }

        /* ===== 底部CTA区 ===== */
        .cta-section {
            background: var(--primary);
            padding: 56px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            opacity: .06;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 120'%3E%3Cpath d='M10 80c30-20 60-20 90 0s60 20 90 0' stroke='white' fill='none' stroke-width='2'/%3E%3Cpath d='M10 50c30-20 60-20 90 0s60 20 90 0' stroke='white' fill='none' stroke-width='2' opacity='0.5'/%3E%3C/svg%3E");
            background-size: 200px auto;
        }
        .cta-section .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }
        .cta-left {
            flex: 1;
            min-width: 280px;
        }
        .cta-left h2 {
            font-size: clamp(22px, 2.8vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 10px;
            color: #fff;
        }
        .cta-left p {
            font-size: 15px;
            color: rgba(255,255,255,.85);
            line-height: 1.6;
        }
        .cta-right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            padding: 64px 0 0;
            color: rgba(255,255,255,.72);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255,255,255,.08);
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 19px;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .logo-text span {
            color: var(--secondary);
        }
        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.7;
            color: rgba(255,255,255,.6);
            max-width: 340px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255,255,255,.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,.7);
            font-size: 16px;
            transition: all .25s;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255,255,255,.6);
            font-size: 13.5px;
            transition: all .2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a:hover {
            color: var(--secondary);
            padding-left: 3px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255,255,255,.6);
            font-size: 13.5px;
            margin-bottom: 12px;
        }
        .footer-contact i {
            color: var(--secondary);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,.4);
            border-top: 1px solid rgba(255,255,255,.06);
        }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .burger {
                display: flex;
            }
            .post-layout {
                flex-direction: column;
                gap: 36px;
            }
            .post-main {
                max-width: 100%;
                flex: 1 1 100%;
            }
            .post-sidebar {
                flex: 1 1 100%;
                max-width: 100%;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .widget {
                margin-bottom: 0;
            }
            .cta-section .container {
                flex-direction: column;
                text-align: center;
            }
            .cta-right {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }

        @media screen and (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .top-bar-left span.domain-label {
                display: none;
            }
            .post-card {
                padding: 28px 22px;
            }
            .post-card h1 {
                font-size: 24px;
            }
            .post-meta {
                gap: 10px;
            }
            .post-pager {
                grid-template-columns: 1fr;
            }
            .pager-item.next {
                text-align: left;
            }
            .pager-item.next .dir {
                justify-content: flex-start;
            }
        }

        @media screen and (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .top-bar {
                display: none;
            }
            .main-nav .container {
                height: 64px;
            }
            .logo-text {
                font-size: 16px;
            }
            .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .post-section {
                padding: var(--spacer-md) 0;
            }
            .post-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-section {
                padding: 44px 0;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
                width: 100%;
                justify-content: center;
            }
            .breadcrumb-bar .current {
                max-width: 180px;
            }
        }

        @media screen and (max-width: 480px) {
            .post-content {
                font-size: 15px;
            }
            .post-content table {
                font-size: 13px;
                overflow-x: auto;
                display: block;
            }
            .post-meta .meta-item span {
                display: none;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #0E7C6B;
            --primary-dark: #0B5E52;
            --primary-light: #E6F2F0;
            --accent: #FF7A59;
            --accent-hover: #FF6540;
            --sky: #38BDF8;
            --gold: #F5B840;
            --bg: #F7F9F8;
            --card-bg: #FFFFFF;
            --text: #1A1D1C;
            --text-sub: #5B6B68;
            --text-light: #8A9B98;
            --border: #E3ECE9;
            --deep: #0E2A28;
            --deep-light: #173D3A;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(14, 44, 42, .06);
            --shadow-md: 0 8px 24px rgba(14, 44, 42, .12);
            --transition: all .25s ease;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            letter-spacing: .02em;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-tight {
            padding: 56px 0;
        }
        .text-center {
            text-align: center;
        }

        /* ===== Topbar ===== */
        .topbar {
            background: var(--deep);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .85);
            position: relative;
            z-index: 101;
        }
        .topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .topbar-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .topbar-left i {
            color: var(--gold);
            font-size: 12px;
        }
        .topbar-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .topbar-actions a {
            color: rgba(255, 255, 255, .85);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border-bottom: 1px solid transparent;
            padding: 2px 0;
        }
        .topbar-actions a:hover {
            color: #fff;
            border-bottom-color: var(--accent);
        }

        /* ===== Nav ===== */
        .main-nav {
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 0 rgba(14, 44, 42, .03);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary, #0F766E));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(14, 124, 107, .2);
        }
        .logo-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0;
        }
        .logo-text span span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
        }
        .nav-links li {
            list-style: none;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 6px;
            position: relative;
            transition: var(--transition);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(14, 124, 107, .04);
        }
        .nav-links a:hover::after {
            transform: scaleX(1);
        }
        .nav-links li.active a {
            color: var(--primary);
            font-weight: 600;
            background: rgba(14, 124, 107, .06);
        }
        .nav-links li.active a::after {
            transform: scaleX(1);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-nav-outline {
            border: 1.5px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-nav-outline:hover {
            background: rgba(14, 124, 107, .06);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-nav-primary {
            background: var(--accent);
            color: #fff;
            border: 1.5px solid transparent;
            box-shadow: 0 4px 12px rgba(255, 122, 89, .25);
        }
        .btn-nav-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(255, 122, 89, .3);
        }
        .burger {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .burger:hover {
            background: rgba(14, 124, 107, .06);
            color: var(--primary);
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: #fff;
            box-shadow: -8px 0 24px rgba(14, 44, 42, .12);
            z-index: 200;
            padding: 24px;
            transform: translateX(100%);
            transition: transform .3s ease;
            overflow-y: auto;
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-menu .mm-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .mobile-menu .mm-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
        }
        .mobile-menu .mm-close {
            background: none;
            border: none;
            font-size: 20px;
            color: var(--text-sub);
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 8px;
        }
        .mobile-menu .mm-close:hover {
            background: rgba(14, 124, 107, .06);
            color: var(--primary);
        }
        .mobile-menu ul li {
            border-bottom: 1px solid var(--border);
        }
        .mobile-menu ul li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 4px;
            font-size: 15px;
            color: var(--text);
            font-weight: 500;
        }
        .mobile-menu ul li a:hover,
        .mobile-menu ul li.active a {
            color: var(--primary);
        }
        .mobile-menu ul li.active a {
            font-weight: 600;
            color: var(--primary);
        }
        .mobile-menu .mm-cta {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(14, 44, 42, .4);
            z-index: 190;
            backdrop-filter: blur(2px);
        }
        .menu-overlay.show {
            display: block;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: var(--deep);
            background-image: url('/assets/images/backpic/back-2.webp'), linear-gradient(120deg, var(--deep) 0%, var(--deep-light) 100%);
            background-size: cover;
            background-position: center;
            padding: 72px 0 80px;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -20px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, .08);
            z-index: 0;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: 10%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .06);
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 16px;
        }
        .page-hero .hero-breadcrumb a {
            color: rgba(255, 255, 255, .75);
        }
        .page-hero .hero-breadcrumb a:hover {
            color: var(--gold);
        }
        .page-hero .hero-breadcrumb span {
            color: rgba(255, 255, 255, .4);
        }
        .page-hero h1 {
            font-size: clamp(30px, 4.2vw, 52px);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: .01em;
        }
        .page-hero h1 .highlight {
            color: var(--gold);
        }
        .page-hero p.lead {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .82);
            max-width: 640px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 122, 89, .3);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 122, 89, .35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .6);
            color: #fff;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .08);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, .1);
        }
        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
        }
        .hero-trust-item i {
            color: var(--gold);
        }

        /* ===== Section Head ===== */
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: .01em;
        }
        .section-head p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ===== Masonry Cards ===== */
        .masonry-wrap {
            column-count: 3;
            column-gap: 24px;
        }
        .func-card {
            display: inline-block;
            width: 100%;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 0;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            margin-bottom: 24px;
            break-inside: avoid;
            transition: var(--transition);
            position: relative;
        }
        .func-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(14, 124, 107, .3);
        }
        .func-card .card-media {
            position: relative;
            overflow: hidden;
            background: var(--primary-light);
        }
        .func-card .card-media img {
            width: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }
        .func-card:hover .card-media img {
            transform: scale(1.03);
        }
        .func-card .card-media.tall img {
            height: 220px;
        }
        .func-card .card-media.mid img {
            height: 160px;
        }
        .func-card .card-media.short img {
            height: 120px;
        }
        .func-card .card-body {
            padding: 22px 22px 24px;
        }
        .func-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .func-card h3 {
            font-size: clamp(17px, 1.6vw, 20px);
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }
        .func-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
        }
        .card-link i {
            transition: transform .25s ease;
        }
        .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Steps ===== */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-item {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            margin: 0 auto 14px;
            box-shadow: 0 4px 12px rgba(14, 124, 107, .2);
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
        }
        .step-arrow {
            position: absolute;
            top: 42%;
            right: -18px;
            color: var(--border);
            font-size: 18px;
            z-index: 2;
        }

        /* ===== Feature Rows ===== */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 64px;
        }
        .feature-row:last-child {
            margin-bottom: 0;
        }
        .feature-media {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--primary-light);
        }
        .feature-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .feature-content {
            flex: 1;
        }
        .feature-content .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            box-shadow: 0 4px 12px rgba(14, 124, 107, .2);
        }
        .feature-content h3 {
            font-size: clamp(20px, 2vw, 26px);
            font-weight: 600;
            margin-bottom: 12px;
        }
        .feature-content p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .feature-list {
            margin: 0;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text);
            padding: 6px 0;
        }
        .feature-list li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--deep);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: 10%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .05);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            color: #fff;
            padding: 20px 10px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, .03);
            border: 1px solid rgba(255, 255, 255, .06);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .06);
            transform: translateY(-2px);
        }
        .stat-num {
            font-size: clamp(32px, 4vw, 46px);
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 6px;
        }

        /* ===== Trust Strip ===== */
        .trust-strip {
            background: var(--primary-light);
            padding: 36px 0;
        }
        .trust-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
        }
        .trust-item i {
            font-size: 20px;
            color: var(--primary);
            transition: color .25s ease;
        }
        .trust-item:hover i {
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(14, 124, 107, .3);
        }
        .faq-item.active {
            box-shadow: var(--shadow-sm);
            border-color: rgba(14, 124, 107, .4);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }
        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--primary);
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            padding: 56px 0;
            border-radius: 24px;
            margin: 80px auto;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .12);
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            padding: 0 20px;
        }
        .cta-text h2 {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
            max-width: 520px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
        }
        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .12);
        }
        .btn-ghost-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .6);
            color: #fff;
        }
        .btn-ghost-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, .72);
            padding: 56px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 14px;
            white-space: normal;
        }
        .footer-brand .logo-text span span {
            color: var(--gold);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 16px;
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, .12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .7);
            font-size: 16px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, .6);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--gold);
            transform: translateX(3px);
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 10px;
        }
        .footer-contact li i {
            color: var(--gold);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== Back To Top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(14, 124, 107, .3);
            border: none;
            cursor: pointer;
            z-index: 99;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .back-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-top:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024.98px) {
            .section {
                padding: 64px 0;
            }
            .masonry-wrap {
                column-count: 2;
            }
            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-row {
                gap: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                display: none;
            }
            .nav-cta .btn-nav-outline {
                display: none;
            }
            .burger {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
        }
        @media screen and (max-width: 639.98px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 48px 0;
            }
            .masonry-wrap {
                column-count: 1;
            }
            .steps-wrap {
                grid-template-columns: 1fr;
            }
            .step-arrow {
                display: none;
            }
            .feature-row {
                flex-direction: column;
                gap: 20px;
                margin-bottom: 48px;
            }
            .feature-row.reverse {
                flex-direction: column;
            }
            .feature-media img {
                height: 220px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item {
                padding: 14px 8px;
            }
            .trust-grid {
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-section {
                margin: 48px 16px;
                padding: 40px 0;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .cta-actions {
                justify-content: center;
            }
            .hero-trust {
                gap: 14px;
            }
            .hero-trust-item {
                font-size: 12px;
            }
            .topbar-actions a span {
                display: none;
            }
            .topbar-actions a {
                font-size: 12px;
            }
            .logo-text {
                font-size: 16px;
                white-space: normal;
            }
            .nav-logo {
                gap: 8px;
            }
            .btn-nav {
                padding: 8px 12px;
                font-size: 13px;
            }
        }
        @media screen and (max-width: 400px) {
            .nav-cta .btn-nav-primary {
                display: none;
            }
            .logo-text {
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root{
  --primary:#0E7C6B;
  --primary-dark:#0F766E;
  --primary-light:rgba(14,124,107,.08);
  --accent:#FF7A59;
  --accent-hover:#FF6540;
  --accent-light:#FF8A6B;
  --secondary:#38BDF8;
  --gold:#F5B840;
  --bg:#F7F9F8;
  --white:#FFFFFF;
  --deep:#0E2A28;
  --text:#1A1D1C;
  --text-sub:#5B6B68;
  --muted:#8A9B98;
  --border:#E3ECE9;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow:0 2px 8px rgba(14,44,42,.06);
  --shadow-hover:0 8px 24px rgba(14,44,42,.12);
  --space-section:clamp(48px,6vw,80px);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;letter-spacing:.02em;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:1024px){.container{padding:0 20px}}
@media(max-width:640px){.container{padding:0 16px}}
/* ===== Top Info Bar ===== */
.top-bar{background:var(--deep);color:rgba(255,255,255,.85);font-size:13px;height:36px;display:flex;align-items:center}
.top-bar .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.top-bar-left{display:flex;align-items:center;gap:8px}
.top-bar-left i{color:var(--secondary);font-size:12px}
.top-bar-right{display:flex;align-items:center;gap:16px}
.top-bar-right a{color:rgba(255,255,255,.85);font-size:13px;padding:4px 0;border-bottom:1px solid transparent;transition:all .2s}
.top-bar-right a:hover{color:#fff;border-bottom-color:var(--secondary)}
@media(max-width:640px){.top-bar-left span{display:none}.top-bar-right{gap:10px}}
/* ===== Main Nav ===== */
.main-nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.main-nav .container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;width:100%}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:var(--shadow)}
.logo-text{font-size:19px;font-weight:700;color:var(--text);letter-spacing:.01em;line-height:1.3;white-space:nowrap}
.logo-text span{color:var(--primary)}
.logo-text .logo-mark{display:none}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
.nav-links li a{display:block;padding:8px 14px;font-size:15px;font-weight:500;color:var(--text-sub);border-radius:6px;position:relative;transition:all .2s}
.nav-links li a:hover{color:var(--primary);background:var(--primary-light)}
.nav-links li.active a{color:var(--primary);font-weight:600;background:var(--primary-light)}
.nav-links li.active a::after{content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;background:var(--primary);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn-nav{padding:9px 16px;font-size:14px;font-weight:600;border-radius:8px;display:inline-flex;align-items:center;gap:6px;transition:all .25s}
.btn-nav-outline{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn-nav-outline:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn-nav-primary{background:var(--accent);color:#fff;border:1.5px solid var(--accent)}
.btn-nav-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px)}
.burger{display:none;background:none;border:none;font-size:22px;color:var(--text);cursor:pointer;width:44px;height:44px;border-radius:8px;align-items:center;justify-content:center}
.burger:hover{background:var(--primary-light);color:var(--primary)}
@media(max-width:1024px){
  .nav-links{position:fixed;top:0;right:-280px;width:278px;height:100vh;background:#fff;flex-direction:column;padding:80px 24px 24px;gap:4px;box-shadow:-8px 0 24px rgba(14,44,42,.12);transition:right .3s ease;z-index:100}
  .nav-links.open{right:0}
  .nav-links li{width:100%}
  .nav-links li a{padding:14px 16px;font-size:16px;border-radius:8px}
  .nav-links li.active a::after{display:none}
  .burger{display:flex}
  .nav-cta .btn-nav-outline{display:none}
}
@media(max-width:640px){
  .logo-text{font-size:17px}
  .nav-cta .btn-nav{padding:8px 12px;font-size:13px}
  .nav-cta .btn-nav-outline{display:none}
}
/* ===== Buttons ===== */
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:13px 28px;border-radius:8px;font-weight:600;font-size:15px;border:1.5px solid var(--accent);transition:all .25s;box-shadow:0 4px 14px rgba(255,122,89,.28)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-outline-light{display:inline-flex;align-items:center;gap:8px;background:transparent;color:#fff;padding:13px 28px;border-radius:8px;font-weight:600;font-size:15px;border:1.5px solid rgba(255,255,255,.6);transition:all .25s}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--primary);padding:12px 26px;border-radius:8px;font-weight:600;font-size:15px;border:1.5px solid var(--primary);transition:all .25s}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;transition:gap .25s}
.btn-text:hover{gap:10px;color:var(--primary-dark)}
/* ===== Cat Hero ===== */
.cat-hero{position:relative;background-color:var(--deep);background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;padding:clamp(56px,7vw,96px) 0;color:#fff;overflow:hidden;isolation:isolate}
.cat-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(14,42,40,.94) 0%,rgba(14,42,40,.78) 45%,rgba(14,124,107,.55) 100%);z-index:1}
.cat-hero::after{content:"";position:absolute;inset:0;z-index:0;background-image:url("data:image/svg+xml,%3Csvg width='100%25' height='100%25' viewBox='0 0 100 100' preserveAspectRatio='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,50 Q25,35 50,50 T100,50 V100 H0 Z' fill='rgba(255,255,255,0.03)'/%3E%3C/svg%3E");background-size:cover}
.cat-hero .container{position:relative;z-index:2}
.cat-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:var(--secondary);font-size:13px;font-weight:600;padding:7px 16px;border-radius:var(--radius-pill);backdrop-filter:blur(4px);letter-spacing:.03em}
.cat-hero-badge i{font-size:12px}
.cat-hero h1{font-size:clamp(30px,4.2vw,52px);font-weight:700;line-height:1.2;margin:20px 0 16px;max-width:640px;letter-spacing:.01em}
.cat-hero p{font-size:clamp(15px,1.4vw,17px);line-height:1.75;color:rgba(255,255,255,.82);max-width:580px;margin-bottom:30px}
.cat-hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.cat-hero-meta{display:flex;align-items:center;gap:24px;margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.7);font-size:13px;flex-wrap:wrap}
.cat-hero-meta i{color:var(--secondary);margin-right:6px}
@media(max-width:640px){
  .cat-hero h1{font-size:clamp(26px,6vw,34px)}
  .cat-hero-actions{flex-direction:column;gap:10px}
  .cat-hero-actions .btn-primary,.cat-hero-actions .btn-outline-light{width:100%;justify-content:center}
}
/* ===== Section Head ===== */
.section-head{margin-bottom:40px;max-width:720px}
.section-tag{display:inline-block;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:5px 14px;border-radius:var(--radius-pill);margin-bottom:14px;letter-spacing:.02em}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;color:var(--text);letter-spacing:.01em;margin-bottom:12px}
.section-head p{font-size:15px;color:var(--text-sub);line-height:1.7}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
/* ===== Guarantee Section ===== */
.guarantee-section{padding:var(--space-section) 0;background:var(--white)}
.guarantee-list{display:flex;flex-direction:column;gap:clamp(32px,4vw,56px)}
.guarantee-item{display:flex;align-items:center;gap:clamp(24px,4vw,60px)}
.guarantee-item:nth-child(even){flex-direction:row-reverse}
.guarantee-img{flex:1;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);position:relative;aspect-ratio:16/11;background:#f0f5f4}
.guarantee-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.guarantee-item:hover .guarantee-img img{transform:scale(1.03)}
.guarantee-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(14,42,40,.25) 100%)}
.guarantee-content{flex:1;padding:8px 0}
.guarantee-no{font-size:14px;font-weight:700;color:var(--secondary);letter-spacing:.06em;background:rgba(56,189,248,.1);padding:4px 12px;border-radius:var(--radius-pill);display:inline-block;margin-bottom:16px}
.guarantee-content h3{font-size:clamp(18px,1.8vw,22px);font-weight:700;color:var(--text);margin-bottom:12px;line-height:1.3}
.guarantee-content>p{font-size:15px;color:var(--text-sub);line-height:1.75;margin-bottom:18px}
.guarantee-content ul{display:flex;flex-direction:column;gap:10px}
.guarantee-content ul li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-sub)}
.guarantee-content ul li i{color:var(--primary);font-size:13px;margin-top:4px;flex-shrink:0}
@media(max-width:1024px){
  .guarantee-item,.guarantee-item:nth-child(even){flex-direction:column;gap:20px}
  .guarantee-img{width:100%;aspect-ratio:16/9}
  .guarantee-content{padding:0}
}
/* ===== Shield Cards ===== */
.shield-section{padding:var(--space-section) 0;background:var(--bg)}
.shield-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.shield-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 26px;box-shadow:var(--shadow);transition:all .25s;position:relative;overflow:hidden}
.shield-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--secondary));opacity:0;transition:opacity .3s}
.shield-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.shield-card:hover::before{opacity:1}
.shield-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;transition:all .25s}
.shield-card:hover .shield-icon{background:var(--primary);color:#fff}
.shield-card h3{font-size:19px;font-weight:700;color:var(--text);margin-bottom:10px}
.shield-card p{font-size:14px;color:var(--text-sub);line-height:1.7;margin-bottom:16px}
.shield-tags{display:flex;flex-wrap:wrap;gap:8px}
.shield-tags span{font-size:12px;color:var(--primary-dark);background:var(--primary-light);border-radius:var(--radius-pill);padding:4px 12px;letter-spacing:.02em}
@media(max-width:1024px){.shield-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.shield-grid{grid-template-columns:1fr}}
/* ===== Process Section ===== */
.process-section{padding:var(--space-section) 0;background:var(--deep);color:#fff;position:relative;overflow:hidden}
.process-section::before{content:"";position:absolute;top:-40px;right:-40px;width:240px;height:240px;border-radius:50%;background:rgba(14,124,107,.3);filter:blur(80px)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.process-step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:28px 22px;transition:all .3s}
.process-step:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.process-num{font-size:32px;font-weight:800;color:var(--secondary);opacity:.8;line-height:1;margin-bottom:14px}
.process-step h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:8px}
.process-step p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.65}
.process-arrow{display:none}
@media(max-width:1024px){.process-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.process-grid{grid-template-columns:1fr}}
/* ===== Stats Section ===== */
.stats-section{padding:clamp(36px,4vw,56px) 0;background:var(--primary)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item{background:rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:28px 16px;border:1px solid rgba(255,255,255,.12)}
.stat-num{font-size:clamp(26px,3vw,36px);font-weight:800;color:#fff;line-height:1.2;letter-spacing:.01em}
.stat-num span{color:var(--secondary)}
.stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px}
@media(max-width:1024px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.stats-grid{grid-template-columns:1fr 1fr}}
/* ===== FAQ ===== */
.faq-section{padding:var(--space-section) 0;background:var(--white)}
.faq-wrap{max-width:860px;margin:0 auto}
.accordion{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--white);box-shadow:var(--shadow);overflow:hidden}
.accordion-item{border-bottom:1px solid var(--border)}
.accordion-item:last-child{border-bottom:none}
.accordion-title{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);background:transparent;cursor:pointer;transition:all .25s}
.accordion-title:hover{color:var(--primary);background:var(--primary-light)}
.accordion-title::after{content:"+";font-size:22px;font-weight:400;color:var(--primary);transition:transform .3s;flex-shrink:0;margin-left:12px}
.accordion-item.is-active>.accordion-title{color:var(--primary);background:var(--primary-light)}
.accordion-item.is-active>.accordion-title::after{transform:rotate(45deg)}
.accordion-content{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 22px;font-size:15px;color:var(--text-sub);line-height:1.75}
.accordion-item.is-active .accordion-content{max-height:600px;padding-bottom:18px}
@media(max-width:640px){.accordion-title{font-size:15px;padding:16px 18px}}
/* ===== CTA ===== */
.cta-section{padding:var(--space-section) 0;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;bottom:-80px;left:-40px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;z-index:1}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;margin-bottom:8px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.82);margin-bottom:0;line-height:1.7}
.cta-actions{flex-shrink:0}
@media(max-width:1024px){.cta-inner{flex-direction:column;text-align:center}}
/* ===== Footer ===== */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:60px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand .logo-text{color:#fff;font-size:17px;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-text .logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.footer-brand>p{color:rgba(255,255,255,.6);line-height:1.75;font-size:14px;max-width:300px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);font-size:16px;transition:all .25s}
.footer-social a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.03em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.6);font-size:14px;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.footer-col ul li a:hover{color:var(--secondary);padding-left:4px}
.footer-contact li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.6);font-size:14px;margin-bottom:12px}
.footer-contact i{color:var(--secondary);width:16px;text-align:center;font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center;color:rgba(255,255,255,.4);font-size:13px}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}.site-footer{padding-top:40px}}
/* ===== Focus ===== */
a:focus-visible,.btn-primary:focus-visible,button:focus-visible{outline:3px solid var(--secondary);outline-offset:2px;border-radius:4px}
/* ===== Pagination / misc ===== */
.text-center{text-align:center}
.mt-32{margin-top:32px}

/* roulang page: category3 */
:root {
    --primary: #0E7C6B;
    --primary-dark: #0F766E;
    --primary-light: #E6F2F0;
    --secondary: #FF7A59;
    --secondary-hover: #FF6540;
    --secondary-light: #FF8A6B;
    --accent: #F5B840;
    --bg: #F7F9F8;
    --card-bg: #FFFFFF;
    --dark: #0E2A28;
    --text: #1A1D1C;
    --text-light: #5B6B68;
    --text-muted: #8A9B98;
    --border: #E3ECE9;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(14,44,42,.06);
    --shadow-md: 0 8px 24px rgba(14,44,42,.12);
    --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: all .2s ease; }
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 80px 0; }
.section-title { font-size: clamp(24px, 3vw, 36px); font-weight: 700; letter-spacing: .01em; margin-bottom: 12px; color: var(--text); line-height: 1.3; }
.section-sub { font-size: 16px; color: var(--text-light); max-width: 720px; margin-bottom: 40px; line-height: 1.75; }

/* ========== 顶部信息条 ========== */
.topbar { background: var(--dark); color: rgba(255,255,255,.85); font-size: 13px; height: 36px; display: flex; align-items: center; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar-left { display: flex; align-items: center; gap: 18px; }
.topbar-left i { color: var(--secondary-light); margin-right: 4px; }
.topbar-right { display: flex; gap: 18px; }
.topbar-right a { color: rgba(255,255,255,.85); font-size: 13px; padding: 4px 0; border-bottom: 1px solid transparent; transition: all .2s; }
.topbar-right a:hover { color: #fff; border-bottom-color: var(--secondary-light); }

/* ========== 主导航 ========== */
.main-nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); height: 72px; display: flex; align-items: center; }
.main-nav .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; }
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; box-shadow: var(--shadow-sm); }
.logo-text { font-size: 19px; font-weight: 700; letter-spacing: .01em; color: var(--text); white-space: nowrap; }
.logo-text span { color: var(--primary); }
.nav-links { display: flex; list-style: none; gap: 6px; margin: 0; }
.nav-links li { margin: 0; }
.nav-links li a { display: block; padding: 8px 14px; font-size: 15px; font-weight: 500; color: var(--text); border-radius: var(--radius-sm); border-bottom: 2px solid transparent; transition: all .2s; }
.nav-links li a:hover { color: var(--primary); background: var(--primary-light); }
.nav-links li.active a { color: var(--primary); font-weight: 700; background: var(--primary-light); border-bottom-color: var(--primary); }
.nav-cta { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }
.btn-nav { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; transition: all .2s; border: 1.5px solid transparent; }
.btn-nav-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-nav-outline:hover { background: var(--primary-light); }
.btn-nav-primary { background: var(--secondary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-nav-primary:hover { background: var(--secondary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.burger { display: none; background: none; border: none; font-size: 24px; color: var(--text); cursor: pointer; padding: 8px; border-radius: 8px; }
.burger:hover { background: var(--bg); }

/* ========== 页面Banner ========== */
.page-hero { position: relative; background-color: var(--dark); background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; padding: 80px 0; color: #fff; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(14,42,40,.92), rgba(14,42,40,.65)); z-index: 1; }
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 16px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: #fff; }
.page-hero h1 { font-size: clamp(30px, 4.2vw, 52px); font-weight: 700; line-height: 1.2; margin-bottom: 14px; letter-spacing: .01em; }
.page-hero p { font-size: 17px; line-height: 1.8; color: rgba(255,255,255,.88); max-width: 680px; }

/* ========== 不对称布局板块 ========== */
.help-section { padding: 80px 0; }
.help-intro { background: var(--card-bg); border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 32px; height: 100%; box-shadow: var(--shadow-sm); }
.help-intro h3 { font-size: 22px; font-weight: 700; margin-bottom: 14px; color: var(--text); display: flex; align-items: center; gap: 10px; }
.help-intro h3 i { color: var(--primary); }
.help-intro p { font-size: 15px; color: var(--text-light); line-height: 1.8; margin-bottom: 20px; }
.help-features { list-style: none; margin: 0; }
.help-features li { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; color: var(--text-light); }
.help-features li:last-child { border-bottom: none; }
.help-features li i { color: var(--primary); font-size: 16px; margin-top: 2px; flex-shrink: 0; }
.help-features li strong { color: var(--text); font-weight: 600; }
.help-right { padding-left: 30px; }
.help-right h3 { font-size: 22px; font-weight: 700; margin-bottom: 20px; color: var(--text); display: flex; align-items: center; gap: 10px; }
.help-right h3 i { color: var(--accent); }
.problem-list { list-style: none; margin: 0 0 30px; }
.problem-list li { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px 20px; margin-bottom: 12px; display: flex; align-items: center; gap: 14px; transition: all .25s; box-shadow: var(--shadow-sm); }
.problem-list li:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-color: rgba(14,124,107,.4); }
.problem-icon { width: 42px; height: 42px; border-radius: 10px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 17px; flex-shrink: 0; }
.problem-info { flex: 1; }
.problem-info h4 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.problem-info p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.problem-link { font-size: 13px; font-weight: 600; color: var(--primary); white-space: nowrap; display: flex; align-items: center; gap: 4px; transition: all .2s; }
.problem-link:hover { gap: 8px; color: var(--secondary-hover); }

/* ========== FAQ手风琴 ========== */
.faq-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; margin-bottom: 30px; }
.faq-card-header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.faq-card-header h4 { font-size: 18px; font-weight: 700; margin: 0; color: var(--text); }
.faq-card-header i { color: var(--primary); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; cursor: pointer; transition: background .2s; user-select: none; }
.faq-question:hover { background: #F8FBFA; }
.faq-question span { font-size: 15px; font-weight: 500; color: var(--text); line-height: 1.5; flex: 1; padding-right: 16px; }
.faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 16px; transition: transform .3s; flex-shrink: 0; }
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { padding: 0 24px 20px; font-size: 14px; color: var(--text-light); line-height: 1.8; }

/* ========== 问题类型卡片 ========== */
.problem-cards { background: var(--primary-light); padding: 80px 0; }
.problem-cards .card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: all .25s; height: 100%; display: flex; flex-direction: column; }
.problem-cards .card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.problem-cards .card-image { height: 170px; overflow: hidden; background: var(--primary-light); }
.problem-cards .card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.problem-cards .card:hover .card-image img { transform: scale(1.04); }
.problem-cards .card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.problem-cards .card-tag { display: inline-flex; align-items: center; gap: 4px; background: var(--primary-light); color: var(--primary); font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; margin-bottom: 12px; width: fit-content; }
.problem-cards .card-tag i { font-size: 11px; }
.problem-cards .card-body h3 { font-size: clamp(17px, 1.6vw, 20px); font-weight: 600; color: var(--text); margin-bottom: 10px; line-height: 1.4; }
.problem-cards .card-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; flex: 1; }
.card-link { display: inline-flex; align-items: center; gap: 5px; font-size: 14px; font-weight: 600; color: var(--primary); }
.card-link:hover { gap: 9px; color: var(--secondary-hover); }

/* ========== 帮助流程 ========== */
.process-section { padding: 80px 0; }
.process-steps { display: flex; gap: 30px; }
.process-step { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); flex: 1; position: relative; transition: all .25s; }
.process-step:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.step-num { width: 44px; height: 44px; border-radius: 12px; background: var(--primary); color: #fff; font-size: 18px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.process-step:nth-child(2) .step-num { background: var(--secondary); }
.process-step:nth-child(3) .step-num { background: var(--accent); color: var(--dark); }
.process-step h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.process-step p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ========== CTA区 ========== */
.cta-section { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); padding: 70px 0; color: #fff; }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-box h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 700; margin-bottom: 8px; line-height: 1.3; }
.cta-box p { font-size: 15px; color: rgba(255,255,255,.88); max-width: 600px; line-height: 1.7; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary { background: var(--secondary); color: #fff; padding: 13px 30px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; border: none; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: all .25s; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--secondary-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline-light { background: transparent; color: #fff; padding: 12px 28px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; border: 1.5px solid rgba(255,255,255,.6); cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: all .25s; }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,.1); }

/* ========== 页脚 ========== */
.site-footer { background: var(--dark); color: rgba(255,255,255,.72); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .logo-text { color: #fff; font-size: 18px; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.footer-brand .logo-text span { color: var(--secondary-light); }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.65); margin-bottom: 20px; max-width: 340px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.8); font-size: 14px; transition: all .2s; }
.footer-social a:hover { background: var(--secondary); color: #fff; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 28px; height: 2px; background: var(--secondary); }
.footer-col ul { list-style: none; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,.65); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: all .2s; }
.footer-col ul li a:hover { color: var(--secondary-light); padding-left: 4px; }
.footer-col ul li a i { font-size: 11px; color: var(--secondary-light); }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,.65); margin-bottom: 12px; }
.footer-contact li i { color: var(--secondary); width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 16px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.45); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .section-pad, .help-section, .problem-cards, .process-section { padding: 64px 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .nav-cta { display: none; }
}
@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 10px 0; border-bottom: 1px solid var(--border); box-shadow: 0 12px 24px rgba(14,44,42,.08); z-index: 99; }
    .nav-links.open { display: flex; }
    .nav-links li a { padding: 12px 24px; border-radius: 0; border-left: 3px solid transparent; }
    .nav-links li.active a { border-left-color: var(--primary); }
    .burger { display: block; }
    .help-right { padding-left: 0; padding-top: 40px; }
    .process-steps { flex-direction: column; }
    .cta-box { flex-direction: column; text-align: center; justify-content: center; }
    .cta-actions { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 400px) {
    .topbar { height: auto; padding: 6px 0; }
    .topbar .container { flex-direction: column; gap: 4px; }
    .topbar-right { gap: 14px; }
}
