/* roulang page: index */
:root {
            --primary: #0b6e99;
            --primary-dark: #08517a;
            --accent: #f5a623;
            --accent-hover: #d98c0f;
            --bg: #f6f8fb;
            --bg-white: #ffffff;
            --bg-soft: #eef3f7;
            --text: #1d2b3a;
            --text-muted: #5d6e7e;
            --border: #dce4ec;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(16, 42, 67, 0.06);
            --shadow-md: 0 8px 28px rgba(16, 42, 67, 0.1);
            --shadow-lg: 0 18px 48px rgba(16, 42, 67, 0.14);
            --space-sm: 1rem;
            --space-md: 2rem;
            --space-lg: 3.5rem;
            --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s ease;
        }

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

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

        ul, ol {
            list-style: none;
        }

        button, input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        .section {
            padding: 4.5rem 0;
        }

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

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 2.5rem;
        }

        .section-head .eyebrow {
            display: inline-block;
            background: rgba(11, 110, 153, 0.1);
            color: var(--primary);
            font-size: .85rem;
            font-weight: 600;
            letter-spacing: .04em;
            padding: .4rem 1rem;
            border-radius: 40px;
            margin-bottom: .75rem;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: .75rem;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(220, 228, 236, .7);
            box-shadow: var(--shadow-sm);
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: .8rem 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: .65rem;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent);
            font-size: 1.3rem;
        }

        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-bar {
            display: flex;
            gap: .4rem;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: .4rem;
            padding: .55rem 1rem;
            border-radius: var(--radius-sm);
            color: var(--text);
            font-weight: 500;
            font-size: .95rem;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .nav-item i {
            font-size: .9rem;
            opacity: .75;
        }

        .nav-item:hover {
            background: var(--bg-soft);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .nav-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(11, 110, 153, .28);
        }

        .nav-item.active i {
            opacity: 1;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: .95rem;
            padding: .6rem 1.3rem;
            border-radius: var(--radius-sm);
            box-shadow: 0 6px 16px rgba(245, 166, 35, .35);
            transition: all .25s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 166, 35, .4);
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text);
            font-size: 1.2rem;
            width: 44px;
            height: 40px;
            cursor: pointer;
        }

        .mobile-menu {
            display: none;
            padding: 1rem 0 .5rem;
            border-top: 1px solid var(--border);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu .nav-item {
            display: flex;
            justify-content: flex-start;
            padding: .75rem .5rem;
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu .nav-item:last-child {
            border-bottom: none;
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 6rem 0;
            background: linear-gradient(160deg, rgba(10, 35, 55, .78), rgba(11, 110, 153, .68)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(245, 166, 35, .25) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }

        .hero .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.2);
            color: #fff;
            font-size: .9rem;
            font-weight: 500;
            padding: .4rem 1.1rem;
            border-radius: 40px;
            margin-bottom: 1.2rem;
            backdrop-filter: blur(4px);
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            text-shadow: 0 4px 20px rgba(0,0,0,.2);
        }

        .hero p {
            font-size: 1.15rem;
            opacity: .95;
            max-width: 600px;
            margin-bottom: 2rem;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: .9rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            font-weight: 600;
            font-size: 1rem;
            padding: .85rem 1.8rem;
            border-radius: 12px;
            transition: all .25s ease;
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 22px rgba(245, 166, 35, .35);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(245, 166, 35, .4);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255,255,255,.75);
        }

        .btn-outline:hover {
            background: rgba(255,255,255,.1);
            color: #fff;
            border-color: #fff;
        }

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            margin-top: 3rem;
            flex-wrap: wrap;
        }

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

        .stat-item .num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
        }

        .stat-item .label {
            font-size: .9rem;
            opacity: .85;
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem 1.6rem;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(11, 110, 153, .3);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(11, 110, 153, .1);
            color: var(--primary);
            font-size: 1.5rem;
            border-radius: 14px;
            margin-bottom: 1.2rem;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: .6rem;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: .95rem;
        }

        /* Category cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .category-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(11, 110, 153, .3);
        }

        .category-card .cover {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .category-card .cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(16, 28, 40, .5), transparent);
        }

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

        .category-card .tag {
            align-self: flex-start;
            font-size: .8rem;
            font-weight: 600;
            background: rgba(245, 166, 35, .12);
            color: #b87a00;
            padding: .25rem .8rem;
            border-radius: 40px;
            margin-bottom: .7rem;
        }

        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: .55rem;
        }

        .category-card p {
            color: var(--text-muted);
            font-size: .93rem;
            flex: 1;
        }

        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            font-weight: 600;
            font-size: .95rem;
            margin-top: 1rem;
        }

        /* News / Latest info */
        .news-list {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: .5rem 1.5rem;
        }

        .news-item {
            padding: 1.5rem 0;
            border-bottom: 1px solid var(--border);
        }

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

        .news-title {
            display: inline-block;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: .4rem;
            transition: color .2s;
        }

        .news-title:hover {
            color: var(--primary);
        }

        .news-summary {
            color: var(--text-muted);
            font-size: .95rem;
            max-width: 760px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: .6rem;
            flex-wrap: wrap;
        }

        .news-category {
            background: rgba(11, 110, 153, .1);
            color: var(--primary);
            font-size: .82rem;
            font-weight: 600;
            padding: .3rem .9rem;
            border-radius: 40px;
        }

        .news-date {
            font-size: .85rem;
            color: var(--text-muted);
        }

        .item-link {
            display: inline-flex;
            align-items: center;
            gap: .3rem;
            font-weight: 600;
            color: var(--primary);
            font-size: .9rem;
            margin-top: .5rem;
        }

        .empty-state {
            padding: 2.5rem 1rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 1rem;
        }

        /* Process Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            counter-reset: step;
        }

        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 2rem 1.4rem;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
        }

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

        .step-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: rgba(11, 110, 153, .22);
            line-height: 1;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: .5rem;
        }

        .step-card p {
            color: var(--text-muted);
            font-size: .9rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.4rem 1.6rem;
            margin-bottom: 1rem;
            box-shadow: var(--shadow-sm);
            transition: border-color .25s;
        }

        .faq-item:hover {
            border-color: rgba(11, 110, 153, .4);
        }

        .faq-question {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: .6rem;
        }

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

        .faq-answer {
            color: var(--text-muted);
            font-size: .95rem;
            padding-left: 1.9rem;
            margin-top: .4rem;
        }

        /* CTA */
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .cta-section p {
            opacity: .95;
            max-width: 600px;
            margin: 0 auto 1.8rem;
            font-size: 1.1rem;
        }

        .cta-section .btn {
            font-size: 1.05rem;
            padding: .95rem 2.2rem;
        }

        /* Footer */
        .site-footer {
            background: #12202f;
            color: #a7b6c6;
            padding: 3.5rem 0 1.5rem;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand .logo {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: .8rem;
        }

        .footer-brand p {
            font-size: .9rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: .8rem;
        }

        .footer-links a {
            display: block;
            color: #a7b6c6;
            margin-bottom: .5rem;
            font-size: .9rem;
            transition: color .2s;
        }

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

        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255,255,255,.1);
            padding-top: 1.5rem;
            font-size: .85rem;
            color: #8a9aab;
        }

        .footer-bottom a {
            color: #cfdae6;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .feature-grid, .category-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 3rem 0;
            }

            .section-head h2 {
                font-size: 1.6rem;
            }

            .nav-bar {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .hero {
                padding: 4rem 0;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .hero-stats {
                gap: 1.5rem;
            }

            .feature-grid, .category-grid {
                grid-template-columns: 1fr;
            }

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

            .news-meta {
                justify-content: flex-start;
                margin-top: .5rem;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.7rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .hero-buttons .btn {
                width: 100%;
            }

            .nav-panel {
                padding: .6rem 0;
            }

            .logo {
                font-size: .95rem;
            }

            .nav-cta {
                font-size: .85rem;
                padding: .5rem .9rem;
            }
        }

        @media (min-width: 769px) {
            .mobile-menu {
                display: none !important;
            }
        }

/* roulang page: category1 */
:root{
--primary:#16245e;
--primary-light:#243a8f;
--primary-dark:#0d1533;
--accent:#e8a33d;
--accent-light:#f2bd6a;
--accent-dark:#c9852a;
--bg:#f4f6fb;
--bg-white:#ffffff;
--bg-deep:#0a1028;
--text:#1b2440;
--text-weak:#67708a;
--border:#e4e8f2;
--radius-lg:22px;
--radius-md:14px;
--radius-sm:9px;
--shadow-sm:0 2px 10px rgba(16,24,40,.06);
--shadow-md:0 10px 30px rgba(16,24,40,.08);
--shadow-lg:0 22px 50px rgba(10,15,35,.14);
--shadow-accent:0 8px 26px rgba(232,163,61,.35);
--font:'Noto Sans SC',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
--transition:all .25s ease;
}
*,*::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);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:var(--bg-white)}

/* 通用 */
.section-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(232,163,61,.1);color:var(--accent-dark);font-size:13px;font-weight:700;letter-spacing:2px;padding:6px 16px;border-radius:40px;text-transform:uppercase}
.section-header{text-align:center;max-width:680px;margin:0 auto 50px}
.section-header h2{font-size:36px;font-weight:900;color:var(--text);line-height:1.25;margin:14px 0 10px;letter-spacing:-.5px}
.section-header p{color:var(--text-weak);font-size:16px;line-height:1.7}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:12px 28px;border-radius:40px;transition:var(--transition);border:2px solid transparent;position:relative;white-space:nowrap}
.btn i{font-size:13px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(22,36,94,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);background:var(--primary-light)}
.btn-accent{background:linear-gradient(135deg,#efb257,#e28a2b);color:#1b1305;box-shadow:var(--shadow-accent)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(232,163,61,.45)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn-ghost-light{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-lg{padding:15px 38px;font-size:16px}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:200;background:rgba(10,16,40,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.07);padding:0;transition:var(--transition)}
.header-inner{display:flex;align-items:center;gap:20px;padding:14px 0}
.logo{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0}
.logo i{font-size:24px;color:var(--accent);background:rgba(232,163,61,.14);width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px rgba(232,163,61,.25)}
.logo span{font-size:19px;font-weight:900;letter-spacing:1px;background:linear-gradient(135deg,#fff 60%,var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-bar{display:flex;align-items:center;gap:8px;margin-left:auto;background:rgba(255,255,255,.05);padding:6px;border-radius:18px;border:1px solid rgba(255,255,255,.07)}
.nav-bar .nav-item{display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:13px;color:rgba(255,255,255,.72);font-size:14px;font-weight:500;transition:var(--transition);white-space:nowrap;background:transparent}
.nav-bar .nav-item i{font-size:14px;opacity:.8}
.nav-bar .nav-item:hover{background:rgba(255,255,255,.1);color:#fff}
.nav-bar .nav-item.active{background:linear-gradient(135deg,#3146a8,#1c2b70);color:#fff;font-weight:700;box-shadow:0 6px 18px rgba(30,45,112,.45),inset 0 0 0 1px rgba(255,255,255,.1)}
.nav-bar .nav-item.active i{opacity:1}
.header-cta{margin-left:8px}
.header-cta .btn{padding:10px 24px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;font-size:18px;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.1)}
.nav-toggle:hover{background:rgba(255,255,255,.16)}

/* 移动端导航 */
.mobile-drawer{display:none}

/* 页面 Hero */
.page-hero{position:relative;padding:110px 0 96px;background-size:cover;background-position:center;color:#fff;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,16,40,.92) 0%,rgba(14,22,62,.82) 45%,rgba(20,30,80,.55) 100%);z-index:1}
.page-hero::after{content:'';position:absolute;inset:0;background:transparent;z-index:0}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px;letter-spacing:.4px}
.breadcrumb a{color:rgba(255,255,255,.75);transition:var(--transition)}
.breadcrumb a:hover{color:var(--accent-light)}
.breadcrumb i{font-size:10px;opacity:.6}
.page-hero h1{font-size:48px;font-weight:900;line-height:1.2;letter-spacing:-1px;margin-bottom:18px;max-width:560px}
.page-hero h1 span{color:var(--accent-light)}
.page-hero .lead{font-size:17px;line-height:1.8;max-width:600px;color:rgba(255,255,255,.82);margin-bottom:32px}
.hero-meta{display:flex;align-items:center;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.hero-meta-item{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.75)}
.hero-meta-item i{color:var(--accent)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 登录方式板块 */
.login-methods{padding:96px 0}
.methods-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:20px}
.method-card{background:#fff;border-radius:var(--radius-lg);padding:34px 28px 30px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition);display:flex;flex-direction:column;position:relative;overflow:hidden}
.method-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:var(--transition)}
.method-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.method-card:hover::before{opacity:1}
.method-card.featured{background:linear-gradient(160deg,#fff 60%,rgba(232,163,61,.06));border-color:rgba(232,163,61,.2)}
.method-icon{width:58px;height:58px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px;background:linear-gradient(135deg,#e8effc,#dbe5fa);color:var(--primary);box-shadow:inset 0 0 0 1px rgba(36,58,143,.08)}
.method-card.featured .method-icon{background:linear-gradient(135deg,#fdf1de,#fbe3bf);color:var(--accent-dark)}
.method-card h3{font-size:19px;font-weight:800;margin-bottom:8px;color:var(--text)}
.method-card .badge{display:inline-block;background:rgba(36,58,143,.08);color:var(--primary);font-size:12px;font-weight:700;padding:4px 12px;border-radius:40px;margin-bottom:12px}
.method-card p{color:var(--text-weak);font-size:14px;line-height:1.75;margin-bottom:16px;flex:1}
.method-img{border-radius:var(--radius-md);overflow:hidden;margin-bottom:18px;box-shadow:var(--shadow-sm);height:150px;object-fit:cover}
.method-card .btn{align-self:flex-start}
.scene-list{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.scene-list span{background:var(--bg);border:1px solid var(--border);color:var(--text-weak);font-size:12px;padding:4px 10px;border-radius:20px}

/* 登录流程 */
.login-flow{padding:96px 0;background:var(--bg-deep);color:#fff;position:relative;overflow:hidden}
.login-flow::before{content:'';position:absolute;top:-100px;right:-100px;width:380px;height:380px;background:rgba(49,70,168,.25);border-radius:50%;filter:blur(120px)}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:56px;position:relative}
.flow-steps::before{content:'';position:absolute;top:54px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,rgba(232,163,61,.6),rgba(255,255,255,.1));z-index:0}
.flow-step{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:var(--radius-lg);padding:32px 24px;position:relative;z-index:1;backdrop-filter:blur(6px);transition:var(--transition)}
.flow-step:hover{background:rgba(255,255,255,.08);transform:translateY(-4px)}
.step-num{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#d98c28);color:#1a1105;font-weight:900;font-size:16px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 6px 18px rgba(232,163,61,.35)}
.flow-step h3{font-size:17px;font-weight:800;margin-bottom:8px;color:#fff}
.flow-step p{font-size:14px;color:rgba(255,255,255,.65);line-height:1.7}

/* 数据统计 */
.stats-section{padding:80px 0;background:var(--bg)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-card{background:#fff;border-radius:var(--radius-lg);padding:36px 24px;text-align:center;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.stat-num{font-size:44px;font-weight:900;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}
.stat-num small{font-size:22px}
.stat-label{font-size:14px;color:var(--text-weak);margin-top:10px}

/* 平台优势 */
.advantage-section{padding:96px 0;background:#fff}
.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.adv-card{display:flex;gap:18px;padding:30px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-white);transition:var(--transition)}
.adv-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.adv-icon{width:52px;height:52px;border-radius:15px;background:rgba(36,58,143,.06);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.adv-card h3{font-size:16px;font-weight:800;margin-bottom:6px}
.adv-card p{font-size:14px;color:var(--text-weak);line-height:1.7}

/* FAQ */
.faq-section{padding:96px 0;background:var(--bg)}
.faq-list{max-width:830px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}
.faq-item:hover{border-color:rgba(36,58,143,.25)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 28px;font-size:16px;font-weight:700;color:var(--text);text-align:left;background:none;transition:var(--transition)}
.faq-question i{color:var(--accent);transition:var(--transition);font-size:14px;flex-shrink:0}
.faq-item.active .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer-inner{padding:0 28px 22px;color:var(--text-weak);font-size:15px;line-height:1.8}

/* CTA */
.cta-section{padding:100px 0;background:linear-gradient(135deg,#0d1533,#1d2d75 60%,#243a8f);color:#fff;position:relative;overflow:hidden;text-align:center}
.cta-section::before{content:'';position:absolute;top:-60px;right:10%;width:300px;height:300px;background:rgba(232,163,61,.15);border-radius:50%;filter:blur(90px)}
.cta-section h2{font-size:38px;font-weight:900;color:#fff;margin-bottom:16px;position:relative;z-index:1}
.cta-section p{color:rgba(255,255,255,.78);max-width:560px;margin:0 auto 34px;font-size:16px;position:relative;z-index:1}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;position:relative;z-index:1}

/* 页脚 */
.site-footer{background:#0a1028;color:#9aa5c4;padding:70px 0 30px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.07)}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.55);max-width:360px}
.footer-links h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.5px}
.footer-links a{display:block;color:rgba(255,255,255,.55);font-size:14px;padding:5px 0;transition:var(--transition)}
.footer-links a:hover{color:var(--accent);padding-left:5px}
.footer-bottom{text-align:center;padding-top:26px;font-size:13px;color:rgba(255,255,255,.35)}
.footer-bottom p{margin-bottom:4px}

/* 响应式 */
@media(max-width:1024px){
.section{padding:70px 0}
.nav-bar{display:none;position:absolute;top:calc(100% + 10px);left:16px;right:16px;flex-direction:column;background:rgba(10,16,40,.97);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:14px;box-shadow:var(--shadow-lg)}
.nav-bar.nav-open{display:flex}
.nav-bar .nav-item{width:100%;padding:14px 18px;justify-content:flex-start;border-radius:14px;border:1px solid transparent}
.nav-bar .nav-item:hover,.nav-bar .nav-item.active{border-color:rgba(255,255,255,.1)}
.header-cta{display:none}
.nav-toggle{display:flex}
.header-inner{flex-wrap:wrap}
.methods-grid{grid-template-columns:repeat(2,1fr)}
.flow-steps{grid-template-columns:repeat(2,1fr)}
.flow-steps::before{display:none}
.stats-grid,.advantage-grid{grid-template-columns:repeat(2,1fr)}
.page-hero h1{font-size:40px}
}
@media(max-width:768px){
.section{padding:56px 0}
.container{padding:0 20px}
.page-hero{padding:76px 0 64px}
.page-hero h1{font-size:31px}
.page-hero .lead{font-size:15px}
.hero-meta{gap:14px;flex-direction:column;align-items:flex-start}
.methods-grid{grid-template-columns:1fr}
.flow-steps{grid-template-columns:1fr;gap:16px}
.stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
.stat-num{font-size:34px}
.advantage-grid{grid-template-columns:1fr}
.footer-top{grid-template-columns:1fr;gap:30px}
.footer-brand p{max-width:100%}
.cta-section h2{font-size:28px}
.section-header h2{font-size:28px}
.faq-question{font-size:15px;padding:18px 20px}
.faq-answer-inner{padding:0 20px 18px}
}
@media(max-width:520px){
.stats-grid{grid-template-columns:1fr}
.logo span{font-size:15px}
.logo i{width:38px;height:38px;font-size:20px}
.hero-actions{flex-direction:column;width:100%}
.hero-actions .btn{width:100%}
.cta-actions{flex-direction:column;align-items:center}
.cta-actions .btn{width:100%}
.page-hero h1{font-size:27px}
}

/* roulang page: article */
:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #6366f1;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --bg: #f6f7fb;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-light: #5b6b7b;
    --border: #e2e8f0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(15,23,42,.08);
    --shadow-hover: 0 12px 36px rgba(79,70,229,.14);
    --transition: all .3s ease;
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: inline-block;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--primary-dark);
}
button, input, select, textarea {
    font-family: inherit;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Header 卡片化导航面板 ---------- */
.site-header {
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(15,23,42,.06);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px 0;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.08rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: .3px;
    flex-shrink: 0;
}
.logo:hover {
    color: var(--dark);
}
.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(79,70,229,.3);
}
.nav-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(246,247,251,.8);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 5px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.nav-bar::-webkit-scrollbar {
    display: none;
}
.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: 10px;
    font-size: .9rem;
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
    border: 1px solid transparent;
    transition: var(--transition);
}
.nav-item i {
    font-size: .9rem;
    color: #94a3b8;
    transition: var(--transition);
}
.nav-item:hover {
    color: var(--primary);
    background: #fff;
    border-color: var(--border);
    box-shadow: 0 2px 8px rgba(15,23,42,.05);
}
.nav-item.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 14px rgba(79,70,229,.3);
}
.nav-item.active i {
    color: #fff;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 12px;
    font-size: .92rem;
    font-weight: 600;
    line-height: 1;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 14px rgba(79,70,229,.25);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79,70,229,.35);
}
.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,.7);
}
.btn-outline-light:hover {
    background: rgba(255,255,255,.12);
    color: #fff;
    border-color: #fff;
}
.btn-light {
    background: #fff;
    color: var(--dark);
    border-color: #fff;
}
.btn-light:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,.15);
}
.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 9px 12px;
    font-size: 1.1rem;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
}
.nav-toggle:hover {
    background: var(--bg);
}

/* ---------- 文章 Hero ---------- */
.article-hero {
    background:
        linear-gradient(135deg, rgba(15,23,42,.78) 0%, rgba(30,27,75,.65) 100%),
        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding: 100px 0 70px;
    color: #fff;
    position: relative;
}
.breadcrumb-hero {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: .87rem;
    color: rgba(255,255,255,.8);
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.breadcrumb-hero a {
    color: rgba(255,255,255,.8);
}
.breadcrumb-hero a:hover {
    color: #fff;
    text-decoration: underline;
}
.breadcrumb-hero .sep {
    color: rgba(255,255,255,.5);
    font-size: .75rem;
}
.article-hero-content {
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .3px;
}
.badge-white {
    background: rgba(255,255,255,.15);
    color: #fff;
    border: 1px solid rgba(255,255,255,.25);
}
.badge-primary {
    background: rgba(79,70,229,.15);
    color: var(--primary-dark);
    border: 1px solid rgba(79,70,229,.2);
}
.badge-green {
    background: rgba(16,185,129,.1);
    color: #059669;
    border: 1px solid rgba(16,185,129,.25);
}
.badge-red {
    background: rgba(239,68,68,.1);
    color: #dc2626;
    border: 1px solid rgba(239,68,68,.2);
}
.badge-purple {
    background: rgba(139,92,246,.1);
    color: #7c3aed;
    border: 1px solid rgba(139,92,246,.2);
}
.badge-gray {
    background: rgba(100,116,139,.1);
    color: #64748b;
    border: 1px solid rgba(100,116,139,.2);
}
.article-hero h1 {
    font-size: 2.4rem;
    line-height: 1.3;
    font-weight: 800;
    margin: 18px 0 16px;
    color: #fff;
    letter-spacing: .5px;
}
.hero-meta {
    display: flex;
    justify-content: center;
    gap: 22px;
    flex-wrap: wrap;
    font-size: .88rem;
    color: rgba(255,255,255,.75);
}
.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.hero-meta i {
    font-size: .8rem;
    color: var(--accent-light);
}

/* ---------- 文章主体主区域 ---------- */
.main-wrap {
    padding: 56px 0 40px;
}
.main-layout {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}
.main-col {
    flex: 1;
    min-width: 0;
}
.side-col {
    width: 360px;
    flex-shrink: 0;
}
.article-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    padding: 40px 42px;
    border: 1px solid rgba(226,232,240,.6);
}
.article-content {
    font-size: 1.04rem;
    line-height: 1.9;
    color: var(--text);
}
.article-content h2 {
    font-size: 1.5rem;
    color: var(--dark);
    font-weight: 700;
    margin: 2.6rem 0 1rem;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    border-radius: 2px;
}
.article-content h3 {
    font-size: 1.25rem;
    color: var(--dark);
    font-weight: 700;
    margin: 2.2rem 0 .9rem;
}
.article-content p {
    margin-bottom: 1.4rem;
}
.article-content ul,
.article-content ol {
    margin: 1rem 0 1.4rem 1.4rem;
}
.article-content li {
    margin-bottom: .6rem;
}
.article-content li::marker {
    color: var(--primary);
}
.article-content img {
    border-radius: 14px;
    margin: 1.6rem 0;
    box-shadow: 0 8px 24px rgba(15,23,42,.1);
}
.article-content blockquote {
    background: #f8fafc;
    border-left: 4px solid var(--primary);
    border-radius: 0 12px 12px 0;
    padding: 1.2rem 1.6rem;
    margin: 1.6rem 0;
    font-size: .98rem;
    color: var(--text-light);
    font-style: italic;
}
.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-content a:hover {
    color: var(--primary-dark);
}
.article-tags {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}
.article-tags .tag-label {
    font-size: .85rem;
    color: var(--text-light);
    font-weight: 600;
}
.article-tags .tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: .82rem;
    color: var(--text-light);
    cursor: default;
}
.article-content-empty {
    text-align: center;
    padding: 70px 30px;
}
.article-content-empty .icon-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #fef2f2;
    color: #ef4444;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
}
.article-content-empty h2 {
    font-size: 1.6rem;
    color: var(--dark);
    margin-bottom: 10px;
    border: none;
    padding: 0;
}
.article-content-empty p {
    color: var(--text-light);
    margin-bottom: 24px;
}
.article-content-empty .btn {
    margin-top: 6px;
}

/* ---------- 侧边栏 ---------- */
.sidebar-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 26px;
    margin-bottom: 24px;
    border: 1px solid rgba(226,232,240,.5);
}
.sidebar-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-card h3::after {
    content: '';
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    border-radius: 2px;
    margin-left: 6px;
    opacity: .3;
}
.sidebar-card h3 i {
    color: var(--primary);
    font-size: .92rem;
}
.info-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.info-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #f1f5f9;
    font-size: .9rem;
    color: var(--text-light);
}
.info-list li:last-child {
    border-bottom: none;
}
.info-list li i {
    width: 20px;
    text-align: center;
    color: var(--primary);
    font-size: .85rem;
}
.info-list li strong {
    color: var(--text);
    font-weight: 600;
}
.side-post {
    display: flex;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
    transition: var(--transition);
    align-items: center;
}
.side-post:last-child {
    border-bottom: none;
}
.side-post:hover {
    transform: translateX(4px);
}
.side-post img {
    width: 72px;
    height: 56px;
    object-fit: cover;
    border-radius: 10px;
    flex-shrink: 0;
    background: var(--bg);
}
.side-post-info h4 {
    font-size: .88rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
    margin: 0 0 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.side-post-info span {
    font-size: .76rem;
    color: var(--text-light);
}
.side-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    padding: 30px 24px;
    text-align: center;
    color: #fff;
    margin-bottom: 24px;
}
.side-cta h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.side-cta p {
    font-size: .85rem;
    opacity: .85;
    margin-bottom: 18px;
}

/* ---------- CTA 区块 ---------- */
.cta-section {
    background:
        linear-gradient(135deg, rgba(15,23,42,.9) 0%, rgba(67,56,202,.85) 100%),
        url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding: 72px 0;
    color: #fff;
}
.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.cta-content h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 8px;
}
.cta-content p {
    color: rgba(255,255,255,.8);
    font-size: .95rem;
    margin: 0;
}
.cta-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ---------- 相关推荐 ---------- */
.recommend-section {
    padding: 64px 0;
}
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 36px;
    gap: 16px;
    flex-wrap: wrap;
}
.section-title h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 6px;
}
.section-title p {
    color: var(--text-light);
    font-size: .9rem;
    margin: 0;
}
.recommend-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.recommend-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(226,232,240,.6);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.recommend-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.recommend-card .thumb {
    height: 170px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.recommend-card .thumb .badge {
    position: absolute;
    top: 14px;
    left: 14px;
}
.recommend-card .body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.recommend-card .body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.recommend-card .body p {
    font-size: .87rem;
    color: var(--text-light);
    margin-bottom: 14px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.recommend-card .body .more {
    font-size: .84rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.recommend-card .body .more i {
    font-size: .75rem;
    transition: var(--transition);
}
.recommend-card:hover .body .more i {
    transform: translateX(4px);
}

/* ---------- FAQ ---------- */
.faq-section {
    padding: 64px 0 72px;
    background: #fff;
    border-top: 1px solid var(--border);
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item[open] {
    box-shadow: 0 4px 16px rgba(79,70,229,.08);
    border-color: rgba(79,70,229,.25);
}
.faq-item summary {
    padding: 18px 22px;
    font-size: .98rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: var(--transition);
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: .8rem;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
}
.faq-item[open] summary::after {
    transform: rotate(180deg);
}
.faq-item summary:hover {
    background: rgba(79,70,229,.04);
}
.faq-item .faq-content {
    padding: 0 22px 18px;
    font-size: .9rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ---------- 页脚 ---------- */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,.75);
    padding: 56px 0 0;
    border-top: 3px solid var(--primary);
}
.footer-top {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand {
    flex: 1.4;
    min-width: 280px;
}
.footer-brand .logo {
    color: #fff;
    margin-bottom: 14px;
    display: flex;
}
.footer-brand p {
    font-size: .87rem;
    color: rgba(255,255,255,.6);
    line-height: 1.8;
    margin: 0;
    max-width: 360px;
}
.footer-links {
    flex: 1;
    min-width: 140px;
}
.footer-links h4 {
    color: #fff;
    font-size: .95rem;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
}
.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 26px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.footer-links a {
    display: block;
    color: rgba(255,255,255,.6);
    font-size: .87rem;
    padding: 6px 0;
    transition: var(--transition);
}
.footer-links a:hover {
    color: #fff;
    padding-left: 6px;
}
.footer-bottom {
    padding: 22px 0;
    text-align: center;
    font-size: .82rem;
    color: rgba(255,255,255,.45);
    border-top: 1px solid rgba(255,255,255,.06);
}
.footer-bottom p {
    margin: 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .main-layout {
        flex-direction: column;
    }
    .side-col {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .side-col .sidebar-card:last-child {
        grid-column: 1 / -1;
    }
}
@media (max-width: 768px) {
    .site-header {
        position: static;
    }
    .header-inner {
        flex-wrap: wrap;
        padding: 12px 0;
    }
    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .nav-bar {
        width: 100%;
        order: 3;
        display: none;
        flex-direction: column;
        align-items: stretch;
        border-radius: 12px;
        margin-top: 8px;
        padding: 8px;
    }
    .nav-bar.open {
        display: flex;
    }
    .nav-item {
        padding: 12px 16px;
        justify-content: flex-start;
    }
    .header-actions {
        margin-left: auto;
    }
    .article-hero {
        padding: 64px 0 48px;
    }
    .article-hero h1 {
        font-size: 1.6rem;
    }
    .article-card {
        padding: 28px 20px;
    }
    .article-content {
        font-size: .98rem;
    }
    .article-content h2 {
        font-size: 1.25rem;
    }
    .recommend-grid {
        grid-template-columns: 1fr;
    }
    .cta-inner {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    .side-col {
        grid-template-columns: 1fr;
    }
    .footer-top {
        flex-direction: column;
        gap: 32px;
    }
}
@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    .logo-text {
        font-size: .9rem;
    }
    .logo-icon {
        width: 34px;
        height: 34px;
        font-size: .9rem;
    }
    .nav-item {
        padding: 10px 14px;
        font-size: .85rem;
    }
    .article-hero h1 {
        font-size: 1.3rem;
    }
    .hero-meta {
        gap: 12px;
        font-size: .8rem;
    }
    .badge {
        font-size: .75rem;
    }
    .article-card {
        padding: 22px 16px;
        border-radius: 12px;
    }
    .article-content {
        font-size: .94rem;
        line-height: 1.8;
    }
    .article-content h2 {
        font-size: 1.15rem;
    }
    .article-content h3 {
        font-size: 1.05rem;
    }
    .cta-content h2 {
        font-size: 1.4rem;
    }
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }
    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .section-title h2 {
        font-size: 1.3rem;
    }
    .recommend-card .thumb {
        height: 140px;
    }
    .side-post img {
        width: 64px;
        height: 50px;
    }
}

/* roulang page: category3 */
:root {
            --primary: #1e3a5f;
            --primary-dark: #142a47;
            --primary-light: #2a4a73;
            --accent: #c9a961;
            --accent-light: #e0c588;
            --bg: #f5f7fa;
            --bg-alt: #eef1f5;
            --card-bg: #ffffff;
            --text: #1a2b3c;
            --text-weak: #6b7a8d;
            --border: #e3e8ef;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.12);
            --transition: all .3s ease;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        p {
            margin-bottom: 1rem;
        }
        ul {
            list-style: none;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section {
            padding: 5.5rem 0;
        }
        .section-head {
            margin-bottom: 2.8rem;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .section-head-left {
            max-width: 720px;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(201, 169, 97, .1);
            padding: .35rem 1rem;
            border-radius: 50px;
            margin-bottom: 1rem;
        }
        .section-title {
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--primary-dark);
            margin-bottom: .8rem;
        }
        .section-desc {
            color: var(--text-weak);
            font-size: 1.02rem;
            line-height: 1.8;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .55rem;
            font-weight: 600;
            font-size: .95rem;
            padding: .75rem 1.6rem;
            border-radius: 50px;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            text-align: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(30, 58, 95, .25);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(201, 169, 97, .3);
        }
        .btn-outline {
            border-color: var(--border);
            color: var(--primary);
            background: #fff;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(30, 58, 95, .15);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
        }
        .btn-light:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, .18);
        }

        .site-header {
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 74px;
            padding-top: .6rem;
            padding-bottom: .6rem;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            font-size: 1.22rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .logo i {
            font-size: 1.5rem;
            color: var(--accent);
        }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--bg);
            color: var(--primary);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: var(--primary);
            color: #fff;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: .3rem;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: .35rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .04);
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            font-size: .92rem;
            font-weight: 600;
            color: var(--text);
            padding: .55rem 1.15rem;
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-item i {
            font-size: .9rem;
            color: var(--primary-light);
            transition: var(--transition);
        }
        .nav-item:hover {
            background: rgba(30, 58, 95, .08);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .nav-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 14px rgba(30, 58, 95, .25);
        }
        .nav-item.active i {
            color: var(--accent-light);
        }

        .hero {
            position: relative;
            background: var(--primary-dark) url('/assets/images/backpic/back-1.png') no-repeat center center/cover;
            color: #fff;
            padding: 6.5rem 0 5rem;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20, 42, 71, .92) 0%, rgba(20, 42, 71, .72) 45%, rgba(20, 42, 71, .45) 100%);
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-size: .85rem;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 1.5rem;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .breadcrumb i {
            font-size: .7rem;
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 1.2rem;
        }
        .hero h1 span {
            color: var(--accent-light);
        }
        .hero-desc {
            font-size: clamp(1rem, 1.6vw, 1.15rem);
            line-height: 1.85;
            color: rgba(255, 255, 255, .88);
            max-width: 680px;
            margin-bottom: 2.2rem;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: .9rem;
            margin-bottom: 3rem;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, .2);
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat strong {
            display: block;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1.2;
        }
        .hero-stat span {
            font-size: .85rem;
            color: rgba(255, 255, 255, .7);
        }

        .intro-section {
            background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }
        .intro-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            min-height: 360px;
        }
        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .intro-image:hover img {
            transform: scale(1.03);
        }
        .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(30, 58, 95, .35), transparent 60%);
        }
        .intro-badge {
            position: absolute;
            z-index: 2;
            bottom: 1.2rem;
            left: 1.2rem;
            background: rgba(255, 255, 255, .9);
            color: var(--primary);
            font-size: .8rem;
            font-weight: 700;
            padding: .4rem 1rem;
            border-radius: 50px;
            backdrop-filter: blur(6px);
        }
        .intro-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .intro-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(201, 169, 97, .08);
            padding: 1rem 1.4rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--primary-light);
            margin: 1.5rem 0;
        }
        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: .8rem;
            margin-top: 1.2rem;
        }
        .intro-feature {
            display: flex;
            align-items: center;
            gap: .7rem;
            font-size: .92rem;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: .75rem 1rem;
            transition: var(--transition);
        }
        .intro-feature:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
            border-color: var(--accent);
        }
        .intro-feature i {
            color: var(--accent);
            font-size: 1rem;
        }

        .cards-section {
            background: var(--bg);
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.6rem;
        }
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(30, 58, 95, .15);
        }
        .card-img {
            position: relative;
            height: 210px;
            overflow: hidden;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 42, 71, .4), transparent 55%);
        }
        .card-tag {
            position: absolute;
            z-index: 2;
            top: .9rem;
            left: .9rem;
            background: rgba(255, 255, 255, .92);
            color: var(--primary);
            font-size: .78rem;
            font-weight: 700;
            padding: .3rem .85rem;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }
        .card-body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-body h3 {
            font-size: 1.12rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: .6rem;
            color: var(--primary-dark);
            transition: var(--transition);
        }
        .card-body h3:hover {
            color: var(--primary-light);
        }
        .card-body p {
            color: var(--text-weak);
            font-size: .92rem;
            line-height: 1.7;
            margin-bottom: 1.2rem;
            flex: 1;
        }
        .card-meta {
            display: flex;
            gap: 1rem;
            font-size: .8rem;
            color: var(--text-weak);
            margin-bottom: 1rem;
        }
        .card-meta i {
            margin-right: .3rem;
            color: var(--accent);
        }
        .card-link {
            font-size: .9rem;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }
        .card-link i {
            transition: transform .3s ease;
        }
        .card-link:hover {
            color: var(--accent);
        }
        .card-link:hover i {
            transform: translateX(4px);
        }

        .subcat-section {
            background: #fff;
        }
        .subcat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.4rem;
        }
        .subcat-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem 1.6rem;
            text-align: center;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: .6rem;
        }
        .subcat-card:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .subcat-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 20px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            transition: var(--transition);
        }
        .subcat-card:hover .icon-wrap {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .subcat-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: inherit;
        }
        .subcat-card p {
            font-size: .85rem;
            line-height: 1.6;
            color: var(--text-weak);
            transition: var(--transition);
        }
        .subcat-card:hover p {
            color: rgba(255, 255, 255, .85);
        }

        .rank-section {
            position: relative;
            background: var(--primary-dark) url('/assets/images/backpic/back-2.png') no-repeat center center/cover;
            color: #fff;
            padding: 5.5rem 0;
        }
        .rank-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(20, 42, 71, .85);
        }
        .rank-inner {
            position: relative;
            z-index: 2;
        }
        .rank-section .section-eyebrow {
            color: var(--accent-light);
            background: rgba(255, 255, 255, .1);
        }
        .rank-section .section-title {
            color: #fff;
        }
        .rank-section .section-desc {
            color: rgba(255, 255, 255, .75);
        }
        .rank-list {
            margin-top: 2.5rem;
            display: flex;
            flex-direction: column;
            gap: .8rem;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: var(--radius-sm);
            padding: 1rem 1.4rem;
            backdrop-filter: blur(8px);
            transition: var(--transition);
            cursor: default;
        }
        .rank-item:hover {
            background: rgba(255, 255, 255, .18);
            transform: translateX(6px);
        }
        .rank-num {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--accent);
            width: 46px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: .25rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-info .rank-meta {
            font-size: .78rem;
            color: rgba(255, 255, 255, .6);
        }
        .rank-view {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-shrink: 0;
        }
        .rank-view span {
            font-size: .8rem;
            color: rgba(255, 255, 255, .7);
        }
        .rank-score {
            display: inline-block;
            font-size: .9rem;
            font-weight: 800;
            color: var(--accent-light);
            background: rgba(0, 0, 0, .25);
            padding: .3rem .8rem;
            border-radius: 50px;
            white-space: nowrap;
        }

        .steps-section {
            background: var(--bg);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .step-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem 1.6rem;
            transition: var(--transition);
            text-align: center;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-size: .9rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(201, 169, 97, .4);
        }
        .step-card i {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: .8rem;
            display: block;
        }
        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: .5rem;
            color: var(--primary-dark);
        }
        .step-card p {
            font-size: .87rem;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .faq-section {
            background: #fff;
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 3rem;
            align-items: start;
        }
        .faq-side {
            position: sticky;
            top: 100px;
        }
        .faq-side h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: .8rem;
            line-height: 1.3;
        }
        .faq-side p {
            color: var(--text-weak);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: .9rem;
        }
        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.open {
            background: #fff;
            border-color: var(--accent);
            box-shadow: var(--shadow);
        }
        .faq-q {
            width: 100%;
            padding: 1.1rem 1.4rem;
            font-size: .98rem;
            font-weight: 600;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            text-align: left;
            transition: var(--transition);
        }
        .faq-q i {
            color: var(--accent);
            font-size: .9rem;
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-a-inner {
            padding: 0 1.4rem 1.1rem;
            font-size: .92rem;
            line-height: 1.75;
            color: var(--text-weak);
            border-top: 1px dashed var(--border);
            padding-top: .8rem;
            margin: 0 1.4rem 1.1rem;
        }

        .cta-section {
            position: relative;
            background: var(--primary) url('/assets/images/backpic/back-3.png') no-repeat center center/cover;
            padding: 5rem 0;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(20, 42, 71, .7);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 1rem;
            line-height: 1.25;
        }
        .cta-content p {
            color: rgba(255, 255, 255, .85);
            font-size: 1.02rem;
            margin-bottom: 2rem;
        }
        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .8);
            padding: 4rem 0 2rem;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-brand p {
            font-size: .88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 0;
        }
        .footer-links h4 {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-links a {
            display: block;
            font-size: .88rem;
            color: rgba(255, 255, 255, .65);
            padding: .35rem 0;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: .35rem;
        }
        .footer-bottom {
            margin-top: 2rem;
            text-align: center;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .subcat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .faq-layout {
                grid-template-columns: 1fr;
            }
            .faq-side {
                position: static;
            }
            .nav-item {
                padding: .5rem .9rem;
                font-size: .85rem;
            }
            .hero {
                padding: 5rem 0 4rem;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 4rem 0;
            }
            .header-inner {
                min-height: 64px;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .nav-bar {
                display: none;
                position: absolute;
                top: 100%;
                left: 1rem;
                right: 1rem;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-radius: var(--radius-sm);
                padding: .8rem;
                box-shadow: var(--shadow-hover);
                border: 1px solid var(--border);
                z-index: 999;
            }
            .nav-bar.nav-open {
                display: flex;
            }
            .nav-item {
                padding: .8rem 1rem;
                border-radius: var(--radius-sm);
                font-size: .95rem;
            }
            .hero {
                padding: 4rem 0 3rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat strong {
                font-size: 1.4rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .subcat-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .card-img {
                height: 200px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .logo {
                font-size: 1.05rem;
            }
            .logo i {
                font-size: 1.2rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: .95rem;
            }
            .hero-buttons .btn {
                width: 100%;
            }
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }
            .hero-stat {
                display: flex;
                align-items: baseline;
                gap: .6rem;
            }
            .hero-stat strong {
                font-size: 1.3rem;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: .6rem;
                padding: .8rem 1rem;
            }
            .rank-view {
                width: 100%;
                justify-content: flex-start;
                gap: .8rem;
            }
            .rank-info h3 {
                white-space: normal;
            }
            .cta-buttons .btn {
                width: 100%;
            }
            .faq-q {
                font-size: .9rem;
                padding: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --primary-light: #3b82f6;
            --accent: #d97706;
            --accent-light: #fbbf24;
            --dark: #0b1220;
            --dark-soft: #111c33;
            --light: #f1f5f9;
            --white: #ffffff;
            --text: #1e293b;
            --text-light: #64748b;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 10px;
            --radius-lg: 28px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 56px rgba(15, 23, 42, 0.13);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

        body {
            font-family: var(--font-main);
            background: var(--light);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        ul, ol { list-style: none; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section { padding: 88px 0; position: relative; }
        .section-alt { background: var(--white); }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-tag i { font-size: 13px; }

        .section-title {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 900;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            color: var(--text-light);
            font-size: 16.5px;
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            outline: none;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(37, 99, 235, 0.28);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:active { transform: translateY(0); box-shadow: 0 3px 10px rgba(37, 99, 235, 0.25); }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(217, 119, 6, 0.28);
        }
        .btn-accent:hover {
            background: #b45309;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(217, 119, 6, 0.34);
        }

        .btn-light {
            background: #fff;
            color: var(--dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }
        .btn-light:hover {
            background: var(--light);
            color: var(--dark);
            transform: translateY(-2px);
        }

        .btn-sm { padding: 9px 20px; font-size: 13.5px; }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
        }

        .header-inner { padding: 14px 0; }

        .nav-bar {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 999px;
            box-shadow: var(--shadow-md);
            padding: 10px 18px;
            flex-wrap: wrap;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 4px 10px 4px 4px;
            color: var(--dark);
            font-weight: 900;
            font-size: 17px;
            white-space: nowrap;
            text-decoration: none;
            margin-right: 8px;
        }

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

        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #4f8df9);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.32);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-item i { font-size: 14px; transition: var(--transition); }

        .nav-item:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.06);
            border-color: rgba(37, 99, 235, 0.12);
            transform: translateY(-1px);
        }

        .nav-item.active {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.1);
            border-color: rgba(37, 99, 235, 0.18);
            font-weight: 700;
            box-shadow: 0 3px 10px rgba(37, 99, 235, 0.12);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-actions .btn { border-radius: 999px; }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: var(--white);
            color: var(--text);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
            align-items: center;
            justify-content: center;
        }

        .nav-toggle:hover {
            background: var(--light);
            color: var(--primary);
            border-color: var(--primary-light);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 112px 0 96px;
            background: linear-gradient(135deg, #0b1220 0%, #111c33 60%, #172236 100%);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.32;
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 18, 32, 0.55) 0%, rgba(11, 18, 32, 0.78) 100%);
            z-index: 2;
        }

        .page-hero .container { position: relative; z-index: 3; }

        .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 7px 18px;
            border-radius: 999px;
            margin-bottom: 30px;
            backdrop-filter: blur(8px);
        }

        .breadcrumb a { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
        .breadcrumb a:hover { color: #fff; }
        .breadcrumb i { font-size: 12px; color: rgba(255, 255, 255, 0.35); }

        .hero-title {
            font-size: clamp(36px, 5.5vw, 54px);
            font-weight: 900;
            color: #fff;
            line-height: 1.18;
            letter-spacing: -1px;
            margin-bottom: 22px;
            max-width: 760px;
        }

        .hero-title span {
            color: var(--accent-light);
            position: relative;
        }

        .hero-sub {
            font-size: clamp(16px, 2vw, 19px);
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 32px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 36px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: rgba(255, 255, 255, 0.9);
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            backdrop-filter: blur(8px);
        }

        .hero-tag i { color: var(--accent-light); font-size: 12px; }

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

        /* ===== Stats Section ===== */
        .stats-section {
            margin-top: -48px;
            position: relative;
            z-index: 10;
            padding-top: 0;
        }

        .stat-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 36px 30px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            height: 100%;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 56px;
            height: 4px;
            border-radius: 0 0 8px 8px;
            background: linear-gradient(90deg, var(--primary), var(--accent-light));
            opacity: 0.8;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 44px rgba(15, 23, 42, 0.14);
        }

        .stat-card:hover::before { width: 80%; }

        .stat-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 18px;
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary);
        }

        .stat-card:nth-child(2) .stat-icon { background: rgba(217, 119, 6, 0.1); color: var(--accent); }
        .stat-card:nth-child(3) .stat-icon { background: rgba(16, 185, 129, 0.1); color: #0f9f6e; }
        .stat-card:nth-child(4) .stat-icon { background: rgba(139, 92, 246, 0.1); color: #7c3aed; }

        .stat-num {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.2;
            color: var(--dark);
            letter-spacing: -1px;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 38px 32px;
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 90px;
            height: 90px;
            background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.06), transparent 70%);
            transition: var(--transition);
        }

        .feature-card:hover {
            border-color: rgba(37, 99, 235, 0.2);
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .feature-card:hover::after { opacity: 1; transform: scale(1.4); }

        .feature-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: linear-gradient(135deg, var(--primary), #60a5fa);
            color: #fff;
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
            margin-bottom: 22px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon { transform: scale(1.08) rotate(-4deg); }

        .feature-card:nth-child(2) .feature-icon { background: linear-gradient(135deg, #d97706, #f59e0b); box-shadow: 0 6px 16px rgba(217, 119, 6, 0.25); }
        .feature-card:nth-child(3) .feature-icon { background: linear-gradient(135deg, #0d9488, #14b8a6); box-shadow: 0 6px 16px rgba(13, 148, 136, 0.25); }
        .feature-card:nth-child(4) .feature-icon { background: linear-gradient(135deg, #7c3aed, #a78bfa); box-shadow: 0 6px 16px rgba(124, 58, 237, 0.25); }
        .feature-card:nth-child(5) .feature-icon { background: linear-gradient(135deg, #e11d48, #fb7185); box-shadow: 0 6px 16px rgba(225, 29, 72, 0.25); }
        .feature-card:nth-child(6) .feature-icon { background: linear-gradient(135deg, #0284c7, #38bdf8); box-shadow: 0 6px 16px rgba(2, 132, 199, 0.25); }

        .feature-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .feature-desc {
            font-size: 14.5px;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ===== Process Section ===== */
        .process-section {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.18), transparent 70%);
        }

        .process-section .section-title { color: #fff; }
        .process-section .section-desc { color: rgba(255, 255, 255, 0.6); }
        .process-section .section-tag { background: rgba(255, 255, 255, 0.1); color: var(--accent-light); }

        .step-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 20px;
        }

        .process-step {
            position: relative;
            padding: 40px 28px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, 0.16);
        }

        .step-num {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--accent-light);
            background: rgba(217, 119, 6, 0.15);
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 22px;
        }

        .step-title {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .step-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        .step-connector {
            position: absolute;
            top: 50%;
            right: -30px;
            width: 30px;
            height: 2px;
            background: linear-gradient(90deg, rgba(255,255,255,0.2), transparent);
            display: none;
        }

        .process-step:not(:last-child) .step-connector { display: block; }

        /* ===== News Section ===== */
        .news-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 30px;
            transition: var(--transition);
            display: flex;
            gap: 20px;
            margin-bottom: 16px;
            align-items: flex-start;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, 0.18);
            transform: translateY(-2px);
        }

        .news-date-badge {
            flex-shrink: 0;
            width: 68px;
            text-align: center;
            background: var(--light);
            border-radius: 14px;
            padding: 12px 6px;
            border: 1px solid var(--border);
        }

        .news-date-badge .day {
            font-size: 24px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
            display: block;
        }

        .news-date-badge .month {
            font-size: 12px;
            color: var(--text-light);
            font-weight: 500;
            text-transform: uppercase;
        }

        .news-body { flex: 1; }

        .news-tag-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(37, 99, 235, 0.08);
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 8px;
        }

        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
            line-height: 1.45;
        }

        .news-title a { color: var(--dark); }
        .news-title a:hover { color: var(--primary); }

        .news-excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
        }

        .news-image-card {
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            height: 100%;
            min-height: 260px;
            box-shadow: var(--shadow-md);
        }

        .news-image-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }

        .news-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 18, 32, 0.1) 0%, rgba(11, 18, 32, 0.85) 100%);
            display: flex;
            align-items: flex-end;
            padding: 28px;
            z-index: 1;
        }

        .news-image-overlay h4 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0;
        }

        .news-image-overlay p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            margin-top: 6px;
        }

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

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

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

        .faq-item.active {
            border-color: rgba(37, 99, 235, 0.24);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 28px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            transition: var(--transition);
            user-select: none;
        }

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

        .faq-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 28px;
            line-height: 1.8;
            color: var(--text-light);
            font-size: 15px;
        }

        .faq-answer-inner { padding-bottom: 24px; }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            padding: 84px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .cta-inner {
            position: relative;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            z-index: 2;
        }

        .cta-title {
            font-size: clamp(30px, 4vw, 42px);
            font-weight: 900;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            padding: 70px 0 30px;
            color: rgba(255, 255, 255, 0.72);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 30px;
        }

        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo i {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #60a5fa);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 420px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            padding: 6px 0;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
            transform: translateX(4px);
        }

        .footer-bottom {
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.38);
            padding-top: 6px;
        }

        .footer-bottom p { margin-bottom: 4px; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .section { padding: 72px 0; }
            .step-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .step-connector { display: none !important; }
            .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
            .nav-bar { border-radius: 20px; }
            .nav-item { font-size: 13px; padding: 8px 12px; }
            .nav-brand .brand-icon { width: 34px; height: 34px; font-size: 15px; }
            .nav-brand { font-size: 15px; }
        }

        @media (max-width: 768px) {
            .container { padding: 0 18px; }
            .section { padding: 60px 0; }
            .section-head { margin-bottom: 40px; }
            .section-title { font-size: 30px; }
            .page-hero { padding: 84px 0 72px; }
            .hero-title { font-size: 36px; }
            .hero-actions { flex-direction: column; align-items: flex-start; }
            .nav-toggle { display: flex; }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 14px 0;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }
            .nav-links.open { display: flex; }
            .nav-item { width: 100%; justify-content: flex-start; padding: 12px 16px; }
            .nav-actions { margin-left: auto; }
            .nav-bar { flex-wrap: wrap; }
            .nav-brand { margin-right: auto; }
            .stat-card { padding: 28px 22px; }
            .stat-num { font-size: 34px; }
            .step-grid { grid-template-columns: 1fr; gap: 18px; }
            .footer-top { grid-template-columns: 1fr; gap: 34px; }
            .news-card { flex-direction: column; padding: 22px; }
            .news-date-badge { align-self: flex-start; }
            .news-image-card { min-height: 200px; }
            .faq-question { padding: 18px 20px; font-size: 15px; }
            .faq-answer { padding: 0 20px; }
            .cta-buttons { flex-direction: column; align-items: stretch; }
        }

        @media (max-width: 520px) {
            .nav-bar { gap: 8px; padding: 10px 14px; border-radius: 16px; }
            .nav-brand span { display: none; }
            .nav-brand .brand-icon { width: 38px; height: 38px; }
            .nav-actions .btn-nav { display: none; }
            .hero-title { font-size: 30px; }
            .hero-tags { gap: 8px; }
            .hero-tag { font-size: 12px; padding: 6px 14px; }
            .section-title { font-size: 26px; }
            .section-desc { font-size: 15px; }
            .stat-num { font-size: 30px; }
            .feature-card { padding: 28px 22px; }
            .btn { width: 100%; }
            .hero-actions .btn { width: 100%; }
            .cta-buttons .btn { width: 100%; }
            .footer-bottom { font-size: 12px; }
        }