/* roulang page: index */
:root{
  --primary:#3A7CA5;
  --primary-dark:#2C6285;
  --primary-light:#EEF5FA;
  --accent:#F5A623;
  --accent-dark:#E08900;
  --bg:#F7F8FA;
  --bg-white:#FFFFFF;
  --text-main:#1F2933;
  --text-secondary:#52606D;
  --text-weak:#9AA5B1;
  --border:#E4E7EB;
  --success:#3EBD93;
  --danger:#E6675A;
  --shadow-default:0 8px 24px rgba(31,42,58,.06);
  --shadow-hover:0 14px 40px rgba(31,42,58,.10);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-badge:4px;
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-number:Inter,"Helvetica Neue",Arial,sans-serif;
  --container-w:1200px;
  --gap-section:104px;
  --gap-section-mobile:60px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);font-size:16px;line-height:1.75;color:var(--text-main);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px}
.section{padding:var(--gap-section) 0}
.section-alt{background:var(--bg)}
.section-white{background:var(--bg-white)}
.section-title{font-size:30px;font-weight:700;line-height:1.4;letter-spacing:.5px;margin-bottom:12px;color:var(--text-main)}
.section-subtitle{font-size:16px;color:var(--text-secondary);max-width:640px;line-height:1.7}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:44px;flex-wrap:wrap;gap:16px}
.section-head-left{max-width:680px}
.section-link{color:var(--primary);font-size:15px;font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:color .2s,gap .2s}
.section-link:hover{color:var(--primary-dark);gap:9px}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:14px 32px;border-radius:var(--radius-btn);transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;line-height:1.4;letter-spacing:.3px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(245,166,35,.25)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary:focus-visible{outline:3px solid rgba(245,166,35,.4);outline-offset:2px}
.btn-secondary{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-secondary:hover{background:var(--primary-light);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(0)}
.btn-secondary:focus-visible{outline:3px solid rgba(58,124,165,.3);outline-offset:2px}
.btn-lg{padding:16px 40px;font-size:16px}
.btn-block{width:100%}

/* ===== Header 桌面导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(228,231,235,.6);transition:box-shadow .3s ease,background .3s ease;height:72px}
.site-header.scrolled{box-shadow:0 4px 20px rgba(31,42,58,.08);height:56px;background:rgba(255,255,255,.98)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--container-w);margin:0 auto;padding:0 24px}
.logo{font-size:22px;font-weight:700;color:var(--text-main);letter-spacing:.5px;display:flex;align-items:center;gap:10px;white-space:nowrap}
.logo-text{color:var(--primary)}
.logo-badge{font-size:11px;background:var(--primary-light);color:var(--primary-dark);padding:3px 8px;border-radius:4px;font-weight:600;letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{padding:10px 18px;font-size:15px;font-weight:500;color:var(--text-secondary);border-radius:8px;transition:color .2s,background .2s;position:relative}
.main-nav a:hover{color:var(--primary);background:var(--primary-light)}
.main-nav a.active{color:var(--primary);background:var(--primary-light);font-weight:600}
.main-nav a.active::after{content:"";position:absolute;bottom:-2px;left:50%;transform:translateX(-50%);width:18px;height:3px;border-radius:2px;background:var(--primary)}
.nav-cta{margin-left:16px}
.nav-cta .btn{padding:10px 22px;font-size:14px}

/* ===== Hero 首屏 ===== */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;padding:0;margin-top:72px;overflow:hidden;background:linear-gradient(135deg,#1F2933 0%,#2C3A4D 55%,#3A4D5E 100%)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.35;z-index:0}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(31,41,51,.94) 0%,rgba(31,41,51,.72) 45%,rgba(31,41,51,.35) 100%);z-index:1}
.hero-inner{position:relative;z-index:2;max-width:var(--container-w);margin:0 auto;padding:72px 24px;width:100%}
.hero-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(58,124,165,.2);color:#A8D4F0;border:1px solid rgba(58,124,165,.4);padding:5px 14px;border-radius:4px;font-size:13px;font-weight:500;letter-spacing:.5px;margin-bottom:20px}
.hero h1{font-size:42px;font-weight:700;line-height:1.3;color:#fff;margin-bottom:18px;letter-spacing:1px;max-width:680px}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.88);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);padding-top:28px}
.hero-stat{display:flex;flex-direction:column;gap:4px}
.hero-stat strong{font-family:var(--font-number);font-size:28px;font-weight:700;color:#fff;letter-spacing:1px}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.5px}

/* ===== 痛点区 ===== */
.pain-points{background:var(--bg)}
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.pain-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-card);padding:28px 24px;transition:transform .2s ease,box-shadow .2s ease,top .2s;position:relative;top:0}
.pain-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);top:2px}
.pain-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--primary)}
.pain-icon svg{width:26px;height:26px}
.pain-card h3{font-size:17px;font-weight:600;margin-bottom:8px;color:var(--text-main)}
.pain-card p{font-size:14px;line-height:1.7;color:var(--text-secondary)}

/* ===== 解决方案区 ===== */
.solutions{background:var(--bg-white)}
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:20px}
.solution-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-card);padding:32px 28px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s;border-top:3px solid transparent}
.solution-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-top-color:var(--primary)}
.solution-card.featured{grid-column:span 2;background:linear-gradient(135deg,var(--primary-light) 0%,#fff 60%);border-top-color:var(--accent)}
.solution-card.featured:hover{border-top-color:var(--accent)}
.solution-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;background:var(--primary);color:#fff;}
.solution-card.featured .solution-icon{background:var(--accent)}
.solution-icon svg{width:28px;height:28px}
.solution-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.solution-card p{font-size:14.5px;line-height:1.75;color:var(--text-secondary);margin-bottom:18px}
.solution-link{color:var(--primary);font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:5px;transition:gap .2s}
.solution-link:hover{gap:9px;color:var(--primary-dark)}
.solution-list{list-style:none;display:grid;gap:8px;margin-top:12px}
.solution-list li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--text-secondary)}
.solution-list svg{width:16px;height:16px;color:var(--success);flex-shrink:0;margin-top:4px}

/* ===== 成果区 ===== */
.results{background:var(--bg)}
.results-wrap{display:flex;align-items:center;gap:60px}
.results-content{flex:1.2}
.results-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 40px;margin-top:36px}
.results-item{display:flex;flex-direction:column;gap:4px}
.results-item strong{font-family:var(--font-number);font-size:38px;font-weight:700;color:var(--primary);line-height:1.2;letter-spacing:.5px}
.results-item span{font-size:14px;color:var(--text-secondary)}
.results-visual{flex:1;min-width:300px}
.results-visual img{border-radius:20px;box-shadow:var(--shadow-hover)}

/* ===== 证言区 ===== */
.testimonials{background:var(--bg-white)}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:20px}
.testimonial-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-card);padding:32px 28px;position:relative;transition:transform .2s,box-shadow .2s}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.testimonial-card::before{content:"“";position:absolute;top:14px;right:24px;font-size:72px;line-height:1;color:rgba(58,124,165,.15);font-family:Georgia,serif}
.testimonial-text{font-size:15px;line-height:1.8;color:var(--text-secondary);margin-bottom:24px}
.testimonial-user{display:flex;align-items:center;gap:14px}
.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:15px}
.testimonial-avatar.alt{background:var(--accent)}
.testimonial-user strong{display:block;font-size:14px;color:var(--text-main)}
.testimonial-user span{font-size:12px;color:var(--text-weak)}

/* ===== 资讯列表区 ===== */
.news-section{background:var(--bg)}
.news-list{display:grid;gap:20px;margin-top:20px}
.news-card{display:flex;background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;padding:20px}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-thumb{width:180px;min-height:120px;border-radius:10px;overflow:hidden;flex-shrink:0;position:relative;background:var(--primary-light)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{flex:1;padding-left:22px;display:flex;flex-direction:column;justify-content:center}
.news-badge{display:inline-block;background:var(--primary-light);color:var(--primary-dark);font-size:12px;padding:3px 10px;border-radius:var(--radius-badge);font-weight:500;align-self:flex-start;margin-bottom:8px}
.news-body h3{font-size:17px;font-weight:600;margin-bottom:8px;line-height:1.5;color:var(--text-main)}
.news-body h3:hover{color:var(--primary)}
.news-body p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--text-weak);margin-top:auto}
.news-link{color:var(--primary);font-weight:500;font-size:14px;transition:gap .2s,color .2s;display:inline-flex;align-items:center;gap:4px}
.news-link:hover{color:var(--primary-dark);gap:8px}
.empty-state{background:var(--bg-white);border:1px dashed var(--border);border-radius:var(--radius-card);padding:48px 24px;text-align:center;margin-top:20px}
.empty-state .empty-icon{font-size:40px;margin-bottom:12px;opacity:.4}
.empty-state p{color:var(--text-weak);font-size:15px}

/* ===== FAQ区 ===== */
.faq-section{background:var(--bg-white)}
.faq-list{max-width:780px;margin:0 auto;margin-top:40px;display:grid;gap:14px}
.faq-item{background:var(--bg);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:box-shadow .2s,border-color .2s}
.faq-item:hover{border-color:var(--primary);box-shadow:var(--shadow-default)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--text-main);text-align:left;transition:color .2s}
.faq-question:hover{color:var(--primary)}
.faq-arrow{width:20px;height:20px;flex-shrink:0;transition:transform .3s ease;color:var(--primary)}
.faq-item.active .faq-arrow{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px}
.faq-answer-inner{padding-bottom:22px;font-size:14.5px;color:var(--text-secondary);line-height:1.8;border-top:1px solid var(--border);padding-top:16px}

/* ===== CTA区 ===== */
.cta-section{background:linear-gradient(120deg,#1F2933 0%,#2C3A4D 60%,#3A4D5E 100%);position:relative;overflow:hidden;padding:80px 0}
.cta-section::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.1}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:680px;margin:0 auto;padding:0 24px}
.cta-inner h2{font-size:32px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px}
.cta-inner p{color:rgba(255,255,255,.8);font-size:16px;line-height:1.8;margin-bottom:36px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{background:#1F2933;padding:60px 24px 100px;border-top:4px solid var(--primary)}
.footer-inner{max-width:var(--container-w);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.footer-brand .logo{font-size:20px;color:#fff;margin-bottom:14px}
.footer-brand .logo-text{color:#A8D4F0}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:1px;text-transform:uppercase}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s,padding-left .2s;display:inline-flex;align-items:center;gap:6px}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-copyright{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.4)}

/* ===== 移动端底部 Tab ===== */
.mobile-tab-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:999;background:rgba(255,255,255,.98);backdrop-filter:blur(12px);border-top:1px solid var(--border);padding:6px 8px calc(6px + env(safe-area-inset-bottom));justify-content:space-around;box-shadow:0 -4px 20px rgba(31,42,58,.06)}
.mobile-tab-item{display:flex;flex-direction:column;align-items:center;gap:3px;padding:8px 6px;border-radius:10px;color:var(--text-weak);font-size:12px;font-weight:500;transition:color .2s,background .2s;min-width:64px;position:relative}
.mobile-tab-item svg{width:22px;height:22px}
.mobile-tab-item.active{color:var(--primary);background:var(--primary-light)}
.mobile-tab-item.active::after{content:"";position:absolute;top:4px;left:50%;transform:translateX(-50%);width:6px;height:6px;border-radius:50%;background:var(--primary)}

/* ===== 响应式 ===== */
@media (max-width:992px){
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .solution-card.featured{grid-column:span 2}
  .results-wrap{flex-direction:column;gap:40px}
  .testimonial-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
  .main-nav{display:none}
  .hero-cta{display:none}
  .mobile-tab-bar{display:flex}
  .site-header{height:60px}
  .hero{margin-top:60px}
  .hero-inner{padding:56px 24px}
  .hero h1{font-size:34px}
  .hero{min-height:auto;padding:40px 0}
}
@media (max-width:768px){
  .section{padding:var(--gap-section-mobile) 0}
  .section-title{font-size:24px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-stats{gap:24px}
  .hero-stat strong{font-size:22px}
  .pain-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .solution-card.featured{grid-column:span 2}
  .testimonial-grid{grid-template-columns:1fr}
  .results-grid{grid-template-columns:repeat(2,1fr)}
  .results-item strong{font-size:30px}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .news-card{flex-direction:column;padding:16px}
  .news-thumb{width:100%;height:140px;min-height:auto;border-radius:10px}
  .news-body{padding-left:0;padding-top:16px}
  .btn{padding:12px 24px;font-size:14px}
  .hero-actions .btn{padding:12px 24px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .pain-grid{grid-template-columns:1fr}
  .solution-card.featured{grid-column:span 1}
  .results-grid{grid-template-columns:1fr 1fr;gap:20px}
  .hero-tag{font-size:12px}
  .hero h1{font-size:26px}
  .hero-sub{font-size:14px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stat{flex-direction:column;gap:2px}
  .hero-stats{gap:20px;flex-wrap:wrap}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-copyright{flex-direction:column;align-items:flex-start}
  .site-footer{padding-bottom:90px}
}

/* roulang page: category1 */
:root {
            --primary: #3A7CA5;
            --primary-dark: #2C5F80;
            --primary-light: #EEF5FA;
            --accent: #F5A623;
            --accent-hover: #E08900;
            --bg: #F7F8FA;
            --white: #FFFFFF;
            --text: #1F2933;
            --text-secondary: #52606D;
            --text-weak: #9AA5B1;
            --border: #E4E7EB;
            --success: #3EBD93;
            --danger: #E6675A;
            --shadow: 0 8px 24px rgba(31, 42, 58, .06);
            --shadow-hover: 0 14px 40px rgba(31, 42, 58, .10);
            --radius: 16px;
            --radius-btn: 12px;
            --radius-input: 8px;
            --radius-badge: 4px;
            --font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container: 1200px;
            --transition: 0.2s ease;
        }

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

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

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

        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius);
        }

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

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

        ul,
        ol {
            padding-left: 1.4em;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: height .3s ease, box-shadow .3s ease, background .3s ease;
            height: 72px;
        }

        .site-header.scrolled {
            height: 56px;
            background: rgba(255, 255, 255, .97);
            box-shadow: 0 4px 20px rgba(31, 42, 58, .08);
        }

        .header-inner {
            max-width: var(--container);
            height: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            transition: opacity var(--transition);
        }

        .logo:hover {
            opacity: .85;
            color: var(--text);
        }

        .logo-text {
            color: var(--primary);
            font-size: 24px;
            font-weight: 700;
            letter-spacing: .5px;
        }

        .logo-badge {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            position: relative;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font);
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all .2s ease;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(58, 124, 165, .35);
            outline-offset: 2px;
        }

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

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 166, 35, .3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

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

        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 500;
            padding: 10px 22px;
        }

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

        /* 移动端底部 Tab */
        .bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .97);
            border-top: 1px solid var(--border);
            box-shadow: 0 -4px 16px rgba(31, 42, 58, .04);
            padding: 6px 8px;
            padding-bottom: calc(6px + env(safe-area-inset-bottom));
        }

        .bottom-tab .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 4px 4px;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-weak);
            border-radius: 12px;
            transition: color var(--transition), background var(--transition);
            position: relative;
            text-align: center;
        }

        .bottom-tab .tab-item svg {
            width: 22px;
            height: 22px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .bottom-tab .tab-item:hover,
        .bottom-tab .tab-item.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .bottom-tab .tab-item.active::after {
            content: '';
            position: absolute;
            top: 4px;
            right: calc(50% - 3px);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        /* Hero */
        .page-hero {
            position: relative;
            padding: 140px 0 80px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            isolation: isolate;
        }

        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(31, 42, 58, .92) 0%, rgba(31, 42, 58, .72) 60%, rgba(31, 42, 58, .45) 100%);
            z-index: -1;
        }

        .hero-content {
            max-width: 720px;
            color: #fff;
            padding: 20px 0;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .25);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 1px;
            backdrop-filter: none;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .hero-content p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 28px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-actions .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
        }

        .hero-actions .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
        }

        .hero-actions .btn-secondary {
            background: transparent;
            border-color: rgba(255, 255, 255, .7);
            color: #fff;
        }

        .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
            color: #fff;
        }

        /* Section */
        .section {
            padding: 96px 0;
        }

        .section.bg-white {
            background: var(--white);
        }

        .section.bg-light {
            background: var(--bg);
        }

        .section-head {
            margin-bottom: 48px;
            text-align: center;
        }

        .section-head .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* 图文混排 */
        .content-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            padding: 48px 0;
        }

        .content-row+.content-row {
            border-top: 1px solid var(--border);
        }

        .content-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .content-media img:hover {
            transform: scale(1.02);
            box-shadow: var(--shadow-hover);
        }

        .content-text .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

        .content-text h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            color: var(--text);
        }

        .content-text p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .content-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .content-text ul li {
            position: relative;
            padding-left: 24px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .content-text ul li::before {
            content: '';
            position: absolute;
            left: 2px;
            top: 12px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        .content-row.reverse .content-media {
            order: 2;
        }

        .content-row.reverse .content-text {
            order: 1;
        }

        /* 站内链接列表 */
        .link-section {
            padding: 72px 0;
            background: var(--white);
        }

        .link-section .container {
            max-width: 900px;
        }

        .link-section h2 {
            font-size: 26px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 36px;
            color: var(--text);
        }

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

        .link-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
        }

        .link-list a:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .link-list a span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-weak);
            transition: color var(--transition);
        }

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

        /* FAQ */
        .faq-section {
            padding: 96px 0;
            background: var(--bg);
        }

        .faq-section .container {
            max-width: 860px;
        }

        .faq-section .section-head h2 {
            font-size: 28px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            user-select: none;
            gap: 16px;
        }

        .faq-q::after {
            content: '';
            width: 12px;
            height: 12px;
            border-right: 2px solid var(--text-weak);
            border-bottom: 2px solid var(--text-weak);
            transform: rotate(45deg);
            transition: transform .2s ease;
            flex-shrink: 0;
            margin-top: -4px;
        }

        .faq-item.open .faq-q::after {
            transform: rotate(225deg);
            margin-top: 4px;
        }

        .faq-a {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            transition: padding .25s ease, max-height .3s ease;
        }

        .faq-item.open .faq-a {
            padding: 0 24px 20px;
            max-height: 320px;
        }

        /* 相邻分类互链 */
        .cross-links {
            padding: 72px 0;
            background: var(--white);
        }

        .cross-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            background: var(--primary-light);
            border: 1px solid rgba(58, 124, 165, .2);
            border-radius: var(--radius);
            padding: 32px 36px;
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .cross-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .cross-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .cross-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        .cross-card .btn {
            flex-shrink: 0;
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 96px 0;
            background: linear-gradient(135deg, #1F2933 0%, #2D3E4F 100%);
            text-align: center;
            color: #fff;
        }

        .cta-section .container {
            max-width: 720px;
        }

        .cta-section h2 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .cta-section p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 32px;
        }

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

        .cta-section .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
            font-size: 16px;
            padding: 14px 36px;
        }

        .cta-section .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
        }

        .cta-section .btn-secondary {
            background: transparent;
            border-color: rgba(255, 255, 255, .6);
            color: #fff;
            font-size: 16px;
            padding: 14px 36px;
        }

        .cta-section .btn-secondary:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #1F2933;
            color: #fff;
            padding: 64px 0 40px;
        }

        .footer-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
            font-size: 22px;
            color: #fff;
        }

        .footer-brand .logo .logo-text {
            color: #fff;
            font-size: 24px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-copyright {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 24px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: rgba(255, 255, 255, .4);
            font-size: 13px;
        }

        /* 响应式 */
        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .bottom-tab {
                display: flex;
            }

            .site-header {
                height: 60px;
            }

            .site-header.scrolled {
                height: 56px;
            }

            .header-inner {
                justify-content: center;
            }

            .page-hero {
                padding: 120px 0 64px;
            }

            .hero-content h1 {
                font-size: 34px;
            }

            .hero-content p {
                font-size: 16px;
            }

            .link-list {
                grid-template-columns: 1fr 1fr;
            }

            .site-footer {
                padding-bottom: 90px;
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding: 56px 0;
            }

            .page-hero {
                padding: 100px 0 48px;
            }

            .hero-content h1 {
                font-size: 28px;
            }

            .hero-content p {
                font-size: 15px;
            }

            .hero-actions .btn {
                padding: 10px 18px;
                font-size: 14px;
            }

            .content-row {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 32px 0;
            }

            .content-row.reverse .content-media {
                order: 1;
            }

            .content-row.reverse .content-text {
                order: 2;
            }

            .content-media img {
                height: 220px;
            }

            .content-text h2 {
                font-size: 22px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .link-list {
                grid-template-columns: 1fr;
            }

            .cross-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
            }

            .cta-section {
                padding: 64px 0;
            }

            .cta-section h2 {
                font-size: 26px;
            }

            .cta-section p {
                font-size: 15px;
            }

            .cta-actions .btn {
                padding: 12px 20px;
                font-size: 14px;
            }

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

            .footer-copyright {
                flex-direction: column;
                align-items: flex-start;
                font-size: 12px;
            }
        }

        @media (max-width: 375px) {
            .hero-content h1 {
                font-size: 24px;
            }

            .hero-content p {
                font-size: 14px;
            }

            .bottom-tab .tab-item {
                font-size: 10px;
                padding: 4px 2px;
            }

            .bottom-tab .tab-item svg {
                width: 20px;
                height: 20px;
            }
        }

/* roulang page: article */
:root {
  --primary: #3A7CA5;
  --primary-dark: #2B5F82;
  --primary-light: #EEF5FA;
  --accent: #F5A623;
  --accent-dark: #E08900;
  --bg-grey: #F7F8FA;
  --bg-white: #FFFFFF;
  --text-main: #1F2933;
  --text-sub: #52606D;
  --text-weak: #9AA5B1;
  --border: #E4E7EB;
  --success: #3EBD93;
  --error: #E6675A;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-badge: 4px;
  --shadow-default: 0 8px 24px rgba(31,42,58,.06);
  --shadow-hover: 0 14px 40px rgba(31,42,58,.10);
  --container: 1200px;
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--primary-dark);
}
img {
  max-width: 100%;
  display: block;
}
button,
input {
  font-family: inherit;
  font-size: inherit;
}
ul,
ol {
  padding-left: 1.4em;
}
h1,
h2,
h3,
h4,
h5 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--text-main);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(228,231,235,.6);
  transition: background .3s ease, box-shadow .3s ease, height .3s ease;
  height: 72px;
}
.site-header.scrolled {
  height: 60px;
  box-shadow: 0 4px 20px rgba(31,42,58,.08);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}
.logo-badge {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-sub);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: var(--radius-badge);
  letter-spacing: .3px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-sub);
  position: relative;
  transition: background .2s ease,color .2s ease;
}
.main-nav a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.main-nav a.active {
  color: var(--primary);
  font-weight: 600;
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
.nav-cta {
  flex-shrink: 0;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .25s ease;
  line-height: 1.4;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245,166,35,.35);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-primary:focus-visible {
  outline: 3px solid rgba(245,166,35,.5);
  outline-offset: 2px;
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-outline:focus-visible {
  outline: 3px solid rgba(58,124,165,.4);
  outline-offset: 2px;
}

/* ===== 文章 Hero 横幅 ===== */
.article-hero {
  position: relative;
  padding: 150px 0 70px;
  background: var(--text-main);
  overflow: hidden;
}
.article-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: .35;
}
.article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31,41,51,.92) 0%, rgba(31,41,51,.68) 60%, rgba(58,124,165,.35) 100%);
}
.article-hero .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255,255,255,.65);
  margin-bottom: 28px;
}
.breadcrumb a {
  color: rgba(255,255,255,.75);
  transition: color .2s ease;
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb .sep {
  opacity: .5;
}
.article-head {
  max-width: 820px;
}
.article-cat-badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(58,124,165,.35);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  border-radius: 20px;
  margin-bottom: 18px;
  letter-spacing: .5px;
}
.article-head h1 {
  font-size: 38px;
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 20px;
  letter-spacing: .5px;
  text-shadow: 0 2px 12px rgba(0,0,0,.2);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: rgba(255,255,255,.7);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta .meta-author::before {
  content: "✎";
  font-size: 14px;
}
.article-meta .meta-date::before {
  content: "◷";
  font-size: 14px;
}

/* ===== 文章正文 ===== */
.article-body-section {
  background: var(--bg-white);
  padding: 60px 0 70px;
}
.article-container {
  max-width: 820px;
}
.article-content {
  background: var(--bg-white);
  border-radius: 20px;
  padding: 40px 0 20px;
}
.article-content p {
  margin-bottom: 22px;
  font-size: 17px;
  line-height: 1.85;
  color: #3B4A5A;
}
.article-content h2 {
  font-size: 26px;
  margin: 42px 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-light);
  position: relative;
}
.article-content h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 56px;
  height: 2px;
  background: var(--primary);
}
.article-content h3 {
  font-size: 20px;
  margin: 34px 0 14px;
  color: var(--text-main);
}
.article-content img {
  width: 100%;
  border-radius: 16px;
  margin: 28px 0;
  box-shadow: var(--shadow-default);
}
.article-content blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  background: var(--bg-grey);
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.8;
}
.article-content blockquote p {
  margin-bottom: 0;
}
.article-content ul,
.article-content ol {
  margin: 20px 0;
  padding-left: 1.6em;
  font-size: 16.5px;
  color: #3B4A5A;
}
.article-content li {
  margin-bottom: 8px;
}
.article-content a {
  color: var(--primary);
  border-bottom: 1px solid rgba(58,124,165,.3);
  transition: border-color .2s ease;
}
.article-content a:hover {
  border-color: var(--primary);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
}
.article-content th,
.article-content td {
  padding: 12px 16px;
  border: 1px solid var(--border);
  text-align: left;
}
.article-content th {
  background: var(--primary-light);
  font-weight: 600;
}

/* ===== 文章底部链接 ===== */
.article-links {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.article-links a {
  font-size: 15px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform .2s ease;
}
.article-links a:hover {
  transform: translateX(2px);
}
.link-back {
  color: var(--text-sub);
}
.link-category {
  color: var(--primary);
  font-weight: 600;
}

/* ===== 相关推荐 ===== */
.related-section {
  background: var(--bg-grey);
  padding: 80px 0;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  position: relative;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-top: 8px;
}
.view-all {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.view-all:hover {
  color: var(--primary-dark);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  background: var(--bg-white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-default);
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.related-thumb {
  width: 100%;
  height: 180px;
  overflow: hidden;
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-thumb img {
  transform: scale(1.05);
}
.related-info {
  padding: 24px 24px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.related-info h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.5;
}
.related-info p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 18px;
  flex: 1;
}
.related-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-weak);
}
.badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-badge);
}

/* ===== CTA 区 ===== */
.cta-section {
  background: var(--bg-white);
  padding: 90px 0;
}
.cta-inner {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-inner p {
  font-size: 17px;
  color: var(--text-sub);
  margin-bottom: 36px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* ===== 空状态 ===== */
.article-empty-wrapper {
  padding: 160px 0 100px;
  background: var(--bg-grey);
  min-height: 60vh;
}
.article-empty {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  background: var(--bg-white);
  border: 1px dashed var(--border);
  border-radius: 20px;
  padding: 70px 40px;
}
.empty-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.empty-icon svg {
  width: 34px;
  height: 34px;
}
.article-empty h2 {
  font-size: 26px;
  margin-bottom: 14px;
}
.article-empty p {
  color: var(--text-sub);
  margin-bottom: 30px;
}

/* ===== Footer 页脚 ===== */
.site-footer {
  background: #1F2933;
  color: rgba(255,255,255,.8);
  padding: 70px 0 40px;
  position: relative;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
}
.footer-brand {
  flex: 1 1 300px;
  max-width: 360px;
}
.footer-brand .logo {
  margin-bottom: 18px;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 28px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.8;
  margin-top: 12px;
}
.footer-col {
  flex: 0 1 200px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-col ul {
  list-style: none;
  padding: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: rgba(255,255,255,.58);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-col ul a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-copyright {
  flex-basis: 100%;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}

/* ===== 移动端底部 Tab ===== */
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,.98);
  border-top: 1px solid var(--border);
  z-index: 1000;
  padding: 8px 12px;
  padding-bottom: calc(8px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(31,42,58,.08);
}
.tabbar-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 480px;
  margin: 0 auto;
}
.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 10px;
  color: var(--text-weak);
  font-size: 11px;
  font-weight: 500;
  border-radius: 12px;
  transition: color .2s ease, background .2s ease;
  min-width: 56px;
}
.tab-item svg {
  width: 22px;
  height: 22px;
}
.tab-item:hover {
  color: var(--primary);
}
.tab-item.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(58,124,165,.08);
}
.tab-item.active .tab-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 1px;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .main-nav {
    display: none;
  }
  .nav-cta {
    margin-left: auto;
  }
  .mobile-tabbar {
    display: block;
  }
  .site-footer {
    padding-bottom: calc(80px + env(safe-area-inset-bottom));
  }
  .article-hero {
    padding: 130px 0 60px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .header-inner {
    padding: 0 16px;
  }
  .logo-text {
    font-size: 20px;
  }
  .logo-badge {
    font-size: 12px;
    padding: 2px 6px;
  }
  .nav-cta .btn {
    padding: 10px 18px;
    font-size: 14px;
  }
  .article-hero {
    padding: 110px 0 50px;
  }
  .article-head h1 {
    font-size: 26px;
  }
  .breadcrumb {
    font-size: 12px;
    margin-bottom: 20px;
  }
  .article-meta {
    gap: 14px;
    font-size: 13px;
  }
  .article-body-section {
    padding: 40px 0 50px;
  }
  .article-content {
    padding: 20px 0 10px;
  }
  .article-content p {
    font-size: 16px;
  }
  .article-content h2 {
    font-size: 22px;
  }
  .article-content h3 {
    font-size: 18px;
  }
  .article-content blockquote {
    padding: 16px 18px;
    font-size: 15px;
  }
  .related-section {
    padding: 60px 0;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .related-thumb {
    height: 200px;
  }
  .cta-section {
    padding: 60px 0;
  }
  .cta-inner h2 {
    font-size: 26px;
  }
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .cta-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  .article-links {
    flex-direction: column;
    gap: 12px;
  }
  .footer-inner {
    flex-direction: column;
    gap: 30px;
    padding: 0 16px;
  }
  .footer-copyright {
    flex-direction: column;
    text-align: center;
    margin-top: 30px;
    padding-top: 18px;
  }
}
@media (max-width: 375px) {
  .nav-cta {
    display: none;
  }
  .article-head h1 {
    font-size: 23px;
  }
  .related-thumb {
    height: 170px;
  }
}

/* roulang page: category2 */
:root{
  --c-primary:#3A7CA5;
  --c-primary-dark:#2C6080;
  --c-accent:#F5A623;
  --c-accent-hover:#E08900;
  --c-bg:#F7F8FA;
  --c-white:#FFFFFF;
  --c-text:#1F2933;
  --c-text-sec:#52606D;
  --c-text-weak:#9AA5B1;
  --c-border:#E4E7EB;
  --shadow:0 8px 24px rgba(31,42,58,.06);
  --shadow-hover:0 14px 40px rgba(31,42,58,.10);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --r-xs:4px;
  --ff:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --ff-num:Inter,"Helvetica Neue",Arial,sans-serif;
  --tr:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--ff);background:var(--c-bg);color:var(--c-text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-primary-dark)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 16px}}

/* ===== Header ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:background .3s,box-shadow .3s,height .3s;height:72px}
.site-header.scrolled{height:56px;box-shadow:0 4px 20px rgba(31,42,58,.08);border-bottom-color:var(--c-border)}
.header-inner{max-width:1200px;height:100%;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:6px;flex-shrink:0}
.logo-text{font-size:24px;font-weight:800;color:var(--c-primary);letter-spacing:-.5px}
.logo-badge{font-size:12px;font-weight:500;color:var(--c-text-sec);background:#EEF5FA;padding:3px 8px;border-radius:var(--r-xs);border:1px solid #DBEAF3}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{font-size:15px;font-weight:500;color:var(--c-text-sec);position:relative;padding:4px 0;transition:color var(--tr)}
.main-nav a::after{content:'';position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--c-accent);border-radius:2px;transition:width var(--tr)}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--c-primary);font-weight:600}
.main-nav a.active::after{width:100%}
.nav-cta .btn{margin-left:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;padding:12px 28px;border-radius:var(--r-md);transition:all var(--tr);border:1px solid transparent;line-height:1.4;white-space:nowrap}
.btn-primary{background:var(--c-accent);color:var(--c-white);border-color:var(--c-accent)}
.btn-primary:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover);transform:translateY(-2px);box-shadow:0 8px 20px rgba(245,166,35,.25)}
.btn-primary:focus-visible{outline:3px solid rgba(245,166,35,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary:disabled{background:#E8A950;opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.btn-secondary{background:var(--c-white);color:var(--c-primary);border-color:var(--c-primary)}
.btn-secondary:hover{background:#EEF5FA;transform:translateY(-2px)}
.btn-secondary:focus-visible{outline:3px solid rgba(58,124,165,.3)}
.btn-secondary:active{transform:translateY(0)}
.btn-secondary:disabled{background:#F0F0F0;color:#B0B0B0;border-color:#E0E0E0;cursor:not-allowed;transform:none}

/* ===== Mobile Tabbar ===== */
.mobile-tabbar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:100;background:var(--c-white);border-top:1px solid var(--c-border);padding:6px 0 calc(6px + env(safe-area-inset-bottom));justify-content:space-around;box-shadow:0 -4px 20px rgba(31,42,58,.06)}
.mobile-tabbar .tab-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:12px;color:var(--c-text-weak);padding:4px 12px;border-radius:8px;transition:color var(--tr);flex:1}
.mobile-tabbar .tab-item svg{width:22px;height:22px;stroke-width:2}
.mobile-tabbar .tab-item span{font-weight:500}
.mobile-tabbar .tab-item:hover{color:var(--c-primary);background:#F0F5F9}
.mobile-tabbar .tab-item.active{color:var(--c-primary);font-weight:600;position:relative}
.mobile-tabbar .tab-item.active::before{content:'';position:absolute;top:-6px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--c-accent)}

/* ===== Hero ===== */
.page-hero{position:relative;padding:160px 0 80px;background-size:cover;background-position:center;color:var(--c-white)}
.page-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(31,41,51,.9) 0%,rgba(31,41,51,.6) 60%,rgba(31,41,51,.35) 100%)}
.page-hero-content{position:relative;z-index:1;max-width:760px}
.hero-badge{display:inline-flex;align-items:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:13px;padding:4px 14px;border-radius:var(--r-xs);margin-bottom:20px;letter-spacing:.3px;backdrop-filter:blur(4px)}
.page-hero h1{font-size:40px;font-weight:800;line-height:1.3;margin-bottom:16px;color:#fff}
.page-hero p{font-size:18px;line-height:1.7;color:rgba(255,255,255,.85);margin-bottom:28px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.page-hero .btn-primary{background:var(--c-accent);border-color:var(--c-accent)}
.page-hero .btn-primary:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover)}
.page-hero .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.page-hero .btn-secondary:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ===== Section ===== */
.section{padding:96px 0}
.section-alt{background:var(--c-white)}
.section-head{text-align:center;max-width:700px;margin:0 auto 48px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.4;margin-bottom:12px;color:var(--c-text)}
.section-head p{font-size:16px;color:var(--c-text-sec);line-height:1.7}

/* ===== Card Overview ===== */
.card-overview-section{background:var(--c-bg)}
.card-overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--c-white);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:28px;position:relative;overflow:hidden;transition:transform var(--tr),box-shadow var(--tr);border-top:3px solid transparent}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--c-primary);opacity:0;transition:opacity var(--tr)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card:hover::before{opacity:1}
.card-featured{grid-column:span 2;background-size:cover;background-position:center;color:var(--c-white);min-height:280px;display:flex;align-items:flex-end}
.card-featured::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 0%,rgba(31,41,51,.7) 100%)}
.card-featured > *{position:relative;z-index:1}
.card-featured::before{display:none}
.card-featured:hover{box-shadow:var(--shadow-hover)}
.card-featured .card-body{padding:0;max-width:90%}
.card-featured h3{font-size:24px;font-weight:700;margin-bottom:10px;color:#fff}
.card-featured p{font-size:15px;color:rgba(255,255,255,.9);margin-bottom:12px}
.card-featured a{color:var(--c-accent);font-weight:600}
.card-featured a:hover{color:#FFC940}
.card-icon{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:var(--r-md);background:#EEF5FA;color:var(--c-primary);margin-bottom:20px}
.card-icon svg{width:26px;height:26px}
.card h3{font-size:19px;font-weight:600;margin-bottom:10px;color:var(--c-text)}
.card p{font-size:15px;color:var(--c-text-sec);line-height:1.7;margin-bottom:16px}
.card a{color:var(--c-primary);font-weight:500;font-size:14px}
.card a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
.card-tag{display:inline-block;background:rgba(245,166,35,.15);color:#B47A00;font-size:12px;font-weight:600;padding:2px 10px;border-radius:var(--r-xs);margin-bottom:14px}
.card-contact{display:flex;flex-direction:column;justify-content:center;background:linear-gradient(135deg,#EEF5FA,#F8FBFD);border:1px solid #DBEAF3}
.card-contact .card-icon{background:var(--c-white)}

/* ===== FAQ ===== */
.faq-section{background:var(--c-white)}
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-lg);margin-bottom:16px;overflow:hidden;transition:border-color var(--tr),box-shadow var(--tr)}
.faq-item.active{border-color:var(--c-primary);box-shadow:0 4px 16px rgba(58,124,165,.10)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-text);text-align:left;transition:color var(--tr)}
.faq-question::after{content:'';width:12px;height:12px;border-right:2px solid var(--c-text-weak);border-bottom:2px solid var(--c-text-weak);transform:rotate(45deg);transition:transform .2s ease;flex-shrink:0;margin-left:16px}
.faq-item.active .faq-question{color:var(--c-primary)}
.faq-item.active .faq-question::after{transform:rotate(-135deg);border-color:var(--c-primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.active .faq-answer{max-height:500px}
.faq-answer p{padding:0 24px 22px;color:var(--c-text-sec);font-size:15px;line-height:1.8}

/* ===== Resources ===== */
.resources-section{background:var(--c-bg)}
.resources-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.resource-item{background:var(--c-white);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow);transition:transform var(--tr),box-shadow var(--tr);position:relative;border:1px solid transparent}
.resource-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#DBEAF3}
.resource-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:var(--r-md);background:#EEF5FA;color:var(--c-primary);margin-bottom:18px}
.resource-icon svg{width:22px;height:22px}
.resource-item h3{font-size:17px;font-weight:600;margin-bottom:8px;color:var(--c-text)}
.resource-item p{font-size:14px;color:var(--c-text-sec);line-height:1.7;margin-bottom:14px}
.resource-item a{font-size:14px;color:var(--c-primary);font-weight:500}
.resource-item a:hover{text-decoration:underline;text-underline-offset:3px}

/* ===== Category Link ===== */
.category-link-section{background:var(--c-white);padding:56px 0}
.category-link-box{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;background:#F0F5F9;border:1px solid #DBEAF3;border-radius:var(--r-lg);padding:28px}
.category-link-box span{font-size:15px;color:var(--c-text-sec);font-weight:500}
.category-link-item{display:inline-flex;align-items:center;gap:6px;background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-md);padding:10px 20px;font-size:14px;font-weight:500;color:var(--c-text);transition:all var(--tr)}
.category-link-item:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.category-link-item.active{background:var(--c-primary);color:var(--c-white);border-color:var(--c-primary)}
.category-link-item.active:hover{background:var(--c-primary-dark)}

/* ===== CTA ===== */
.cta-section{padding:88px 0;background:var(--c-bg)}
.cta-box{background:linear-gradient(135deg,#1F2933 0%,#2D3B4B 60%,#3A4A5C 100%);border-radius:var(--r-lg);padding:64px 48px;text-align:center;color:var(--c-white);position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-40px;right:-40px;width:180px;height:180px;border-radius:50%;background:rgba(245,166,35,.12)}
.cta-box::after{content:'';position:absolute;bottom:-60px;left:-20px;width:140px;height:140px;border-radius:50%;background:rgba(58,124,165,.18)}
.cta-box h2{font-size:32px;font-weight:700;margin-bottom:12px;position:relative;z-index:1}
.cta-box p{font-size:16px;color:rgba(255,255,255,.85);margin-bottom:28px;position:relative;z-index:1}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;position:relative;z-index:1}
.cta-box .btn-primary{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-white)}
.cta-box .btn-primary:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover)}
.cta-box .btn-secondary{background:transparent;color:var(--c-white);border-color:rgba(255,255,255,.6)}
.cta-box .btn-secondary:hover{background:rgba(255,255,255,.1);border-color:#fff}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.65);position:relative;z-index:1}

/* ===== Footer ===== */
.site-footer{background:#1F2933;color:rgba(255,255,255,.8);padding:64px 0 40px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.footer-brand .logo{display:flex;align-items:center;gap:6px;margin-bottom:16px}
.footer-brand .logo-text{color:var(--c-white);font-size:26px;font-weight:800}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:360px}
.footer-col h4{font-size:16px;font-weight:600;color:var(--c-white);margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.65);font-size:14px;transition:color var(--tr)}
.footer-col ul li a:hover{color:var(--c-accent)}
.footer-copyright{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.1);padding-top:24px;margin-top:16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}

/* ===== Responsive ===== */
@media(max-width:991px){
  .card-overview-grid{grid-template-columns:repeat(2,1fr)}
  .card-featured{grid-column:span 2}
  .resources-grid{grid-template-columns:repeat(2,1fr)}
  .cta-box{padding:48px 32px}
  .cta-box h2{font-size:26px}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .site-header{height:60px}
  .main-nav{display:none}
  .nav-cta{display:none}
  .mobile-tabbar{display:flex}
  .site-footer{padding-bottom:80px}
  .page-hero{padding:120px 0 56px}
  .page-hero h1{font-size:30px}
  .page-hero p{font-size:16px}
  .section{padding:64px 0}
  .section-head h2{font-size:24px}
  .card-overview-grid{grid-template-columns:1fr}
  .card-featured{grid-column:1;min-height:220px}
  .resources-grid{grid-template-columns:1fr}
  .cta-box{padding:40px 24px}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .footer-copyright{flex-direction:column;text-align:center}
  .footer-brand p{max-width:none}
}
@media(max-width:520px){
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn{width:100%}
  .page-hero h1{font-size:26px}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:22px}
  .card{padding:22px}
  .card-featured{min-height:200px}
  .faq-question{padding:16px 16px;font-size:15px}
  .faq-answer p{padding:0 16px 18px}
  .resource-item{padding:24px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .cta-box h2{font-size:22px}
  .mobile-tabbar{font-size:11px}
}
@media(min-width:769px){
  .mobile-tabbar{display:none}
  .main-nav{display:flex}
  .nav-cta{display:block}
}