/* roulang page: index */
:root{
  --primary:#176B83;
  --primary-dark:#125A6E;
  --primary-light:#E9F2F6;
  --accent:#E39B36;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --text:#21323C;
  --text-muted:#5F7180;
  --text-weak:#8A9AA7;
  --border:#DEE8EE;
  --success:#2E9E7B;
  --shadow-sm:0 4px 14px rgba(23,60,76,0.06);
  --shadow-lg:0 14px 36px rgba(23,60,76,0.10);
  --shadow-pop:0 24px 70px rgba(18,40,52,0.22);
  --radius:14px;
  --radius-sm:8px;
  --radius-lg:20px;
  --font-sans:'PingFang SC','Microsoft YaHei','HarmonyOS Sans SC','Noto Sans CJK SC',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;text-align:left}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto}
button,input,select,textarea{font-family:inherit}
.container,.container-lg{max-width:1180px}
.section{padding:88px 0}
.section-sm{padding:60px 0}
.bg-surface{background:var(--surface)}
.bg-soft{background:var(--primary-light)}
.section-kicker{display:inline-flex;align-items:center;gap:.45rem;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--primary);background:var(--primary-light);border-radius:999px;padding:.3rem .9rem;margin-bottom:1rem}
.section-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
h1,h2,h3,h4{font-weight:700;line-height:1.35;color:var(--text)}
h2{font-size:30px;letter-spacing:.01em;margin-bottom:.6em}
h3{font-size:20px}
.section-title-sub{color:var(--text-muted);font-size:16px;max-width:620px}
.text-link{display:inline-flex;align-items:center;gap:.35rem;font-weight:600;font-size:15px}
.text-link span.fa-arrow{display:inline-block;transition:transform .2s ease}
.text-link:hover span.fa-arrow{transform:translateX(4px)}
.btn{border-radius:var(--radius-sm);font-weight:600;letter-spacing:.02em;padding:.78rem 1.55rem;transition:all .2s ease;border:1px solid transparent}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(23,107,131,.18)}
.btn-primary:hover,.btn-primary:focus{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:0 10px 24px rgba(23,107,131,.20);transform:translateY(-1px)}
.btn-ghost{background:transparent;border:1px solid rgba(23,107,131,.42);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--primary)}
.btn-lg{padding:.95rem 2.1rem;font-size:1rem;border-radius:10px}
.form-control,.form-select{border:1px solid var(--border);border-radius:var(--radius-sm);padding:.72rem 1rem;background:#fff;color:var(--text)}
.form-control:focus,.form-select:focus{border-color:rgba(23,107,131,.55);box-shadow:0 0 0 3px rgba(23,107,131,.15)}
.form-label{font-size:14px;font-weight:600;color:var(--text)}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary)}
/* Header */
.site-header{background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid rgba(222,232,238,.8);position:sticky;top:0;z-index:1050}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:1rem}
.brand-logo{display:flex;align-items:center;gap:.7rem;min-width:0}
.brand-mark{display:flex;align-items:center;justify-content:center;width:42px;height:42px;background:var(--primary);color:#fff;border-radius:12px;font-size:21px;font-weight:700;line-height:1;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:19px;font-weight:800;color:var(--text);letter-spacing:.02em}
.brand-tag{font-size:11px;color:var(--text-weak);letter-spacing:.08em}
.main-nav ul{display:flex;list-style:none;margin:0;padding:0;gap:.3rem}
.main-nav li a{position:relative;display:block;padding:.6rem 1rem;color:var(--text-muted);font-size:15px;font-weight:600;border-radius:var(--radius-sm);transition:all .2s ease}
.main-nav li a:hover{color:var(--primary);background:var(--primary-light)}
.main-nav li.active a{color:var(--primary);background:var(--primary-light)}
.main-nav li.active a::after{content:"";position:absolute;left:1rem;right:1rem;bottom:.1rem;height:2px;border-radius:2px;background:var(--primary)}
.header-btn{min-width:120px;text-align:center;padding:.62rem 1.25rem;font-size:14px}
/* hero */
.hero{position:relative;background:var(--primary-light);padding:64px 0 84px;overflow:hidden}
.hero::before{content:"";position:absolute;width:480px;height:480px;border-radius:50%;background:rgba(255,255,255,.4);top:-180px;right:-120px}
.hero .hero-bg-line{position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.25}
.hero-content{position:relative;z-index:1}
.hero-eyebrow{display:inline-flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.7);border:1px solid rgba(23,107,131,.14);color:var(--primary);padding:.35rem .95rem;border-radius:999px;font-size:14px;font-weight:600;margin-bottom:1.4rem}
.hero-eye-dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:44px;font-weight:800;letter-spacing:.02em;margin-bottom:.65rem}
.hero-lead{font-size:19px;color:var(--text);font-weight:600;line-height:1.6;max-width:620px;margin-bottom:1.1rem}
.hero-desc{color:var(--text-muted);font-size:15px;line-height:1.8;max-width:590px;margin-bottom:1.9rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}
.hero-note{font-size:13px;color:var(--text-weak);margin-top:.75rem}
.hero-stage{position:relative;padding:18px 0 6px}
.hero-card-main{background:var(--surface);border-radius:20px;box-shadow:var(--shadow-lg);padding:.9rem;max-width:540px;margin-left:auto}
.hero-card-main img{width:100%;border-radius:16px;object-fit:cover;min-height:220px;max-height:320px;background:var(--primary-light)}
.hero-float-card{background:var(--surface);border:1px solid rgba(222,232,238,.85);border-radius:14px;box-shadow:var(--shadow-sm);padding:.75rem 1rem;display:flex;align-items:center;gap:.65rem}
.hero-float-card .float-ic{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--primary-light);color:var(--primary);font-weight:700}
.hero-float-card small{display:block;font-size:12px;color:var(--text-weak);line-height:1.2}
.hero-float-card strong{font-size:13px;font-weight:600;color:var(--text)}
.hero-float-a{position:absolute;top:40px;right:0;max-width:260px}
.hero-float-b{position:absolute;bottom:-16px;left:4px;max-width:280px}
/* pain */
.pain-section .pain-head h2{font-size:31px;margin-bottom:.65rem}
.pain-list{display:flex;flex-direction:column;gap:14px}
.pain-item{display:flex;gap:1rem;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:16px;padding:1.1rem 1.25rem;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.pain-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.pain-num{width:34px;height:34px;border-radius:10px;background:var(--primary-light);color:var(--primary);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.pain-item h3{font-size:16px;margin-bottom:.25rem}
.pain-item p{font-size:14px;color:var(--text-muted);margin-bottom:.1rem}
.pain-item .pain-solution{color:var(--primary);font-weight:600;font-size:14px}
.pain-arrow{display:flex;justify-content:center;margin:34px 0 -10px;color:var(--primary);opacity:.35;font-size:28px}
/* Solution Bento */
.bento-main{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;height:100%;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.bento-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.bento-content{display:flex;min-height:340px;height:100%}
.bento-copy{padding:2rem 0 2rem 2rem;display:flex;flex-direction:column;justify-content:center;flex:1;min-width:0}
.bento-copy .badge{background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:.35rem .8rem;border-radius:999px;margin-bottom:1rem;align-self:flex-start}
.bento-img{flex:0 0 36%;background:var(--primary-light);position:relative;overflow:hidden}
.bento-img img{width:100%;height:100%;object-fit:cover;position:absolute;left:0;top:0}
.bento-list{list-style:none;margin:1rem 0 1.4rem;padding:0}
.bento-list li{font-size:14px;color:var(--text-muted);padding:.22rem 0;display:flex;gap:.5rem}
.bento-list li::before{content:"✓";color:var(--success);font-weight:700}
.bento-mini-list{list-style:none;margin:1rem 0 1.4rem;padding:0}
.bento-mini-list li{font-size:14px;color:var(--text-muted);padding:.18rem 0}
.bento-secondary{display:flex;flex-direction:column;justify-content:center;background:var(--primary);color:#fff;border-radius:var(--radius-lg);padding:2.3rem 2rem;height:100%;box-shadow:0 14px 30px rgba(23,107,131,.18)}
.bento-secondary h3{color:#fff}
.bento-secondary p{color:rgba(255,255,255,.82);font-size:15px}
.bento-secondary .text-link{color:#fff;font-weight:600}
.bento-secondary .bento-meta{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1.1rem}
.bento-secondary .mini-tag{background:rgba(255,255,255,.14);border-radius:999px;padding:.25rem .8rem;font-size:13px;color:#fff}
.mini-cards{height:100%}
.mini-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:1.6rem 1.5rem;height:100%;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(23,107,131,.28)}
.mini-card-ic{width:42px;height:42px;border-radius:12px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:1rem}
.mini-card h3{font-size:17px;margin-bottom:.3rem}
.mini-card p{font-size:14px;color:var(--text-muted);margin-bottom:1rem}
.mini-card a{font-size:14px;font-weight:600}
/* facts */
.facts-section{background:var(--primary-light)}
.facts-box{background:rgba(255,255,255,.7);border:1px solid rgba(222,232,238,.8);border-radius:var(--radius-lg);padding:2.6rem 2.4rem;box-shadow:var(--shadow-sm)}
.facts-text h2{font-size:28px;margin-bottom:.7rem}
.facts-text p{color:var(--text-muted);font-size:15px}
.fact-item{background:var(--surface);border-radius:16px;padding:1.3rem 1rem;text-align:center;box-shadow:var(--shadow-sm);height:100%}
.fact-item strong{display:block;font-size:28px;font-weight:800;color:var(--primary);line-height:1.25;margin-bottom:.3rem}
.fact-item span{color:var(--text-muted);font-size:13px;line-height:1.4}
/* news section */
.news-section .section-head .section-link{font-size:14px;font-weight:600}
.news-card{display:flex;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;height:100%;box-shadow:var(--shadow-sm);flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.news-thumb{overflow:hidden;position:relative;display:block;aspect-ratio:16/8;background:var(--primary-light)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:1.5rem 1.6rem 1.8rem;display:flex;flex-direction:column;gap:.6rem;align-items:flex-start}
.news-meta{display:flex;align-items:center;gap:.75rem;font-size:13px;color:var(--text-weak)}
.news-cattag{background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:600;padding:.2rem .8rem;border-radius:999px}
.news-title{font-size:19px;line-height:1.5;margin:0}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--primary)}
.news-excerpt{color:var(--text-muted);font-size:14px;margin:0}
.news-list-item{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);padding:1.2rem 1.3rem;border-radius:16px;margin-bottom:14px;gap:.4rem;transition:box-shadow .2s ease,transform .2s ease;box-shadow:var(--shadow-sm)}
.news-list-item:last-child{margin-bottom:0}
.news-list-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.news-list-item .news-date{font-size:13px;color:var(--text-weak)}
.news-list-item h3{font-size:16px;margin:0}
.news-list-item h3 a{color:var(--text)}
.news-list-item h3 a:hover{color:var(--primary)}
.news-list-item p{font-size:14px;color:var(--text-muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{border:1px dashed var(--border);background:var(--surface);border-radius:var(--radius-lg);padding:4rem 2rem;text-align:center;color:var(--text-muted)}
.news-empty .empty-ic{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:var(--primary-light);color:var(--primary);font-size:24px;margin-bottom:1rem}
/* faq */
.faq-section{background:var(--surface)}
.faq-list{max-width:880px;margin:0 auto}
.accordion-item{border:1px solid var(--border);border-radius:16px;overflow:hidden;margin-bottom:14px;background:#fff;box-shadow:var(--shadow-sm)}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{background:#fff;color:var(--text);font-weight:600;padding:1.1rem 1.4rem;font-size:16px;box-shadow:none;border:none;line-height:1.5}
.accordion-button:not(.collapsed){background:var(--primary-light);color:var(--primary)}
.accordion-button:focus{box-shadow:none;border-color:rgba(23,107,131,.2)}
.accordion-button::after{background-size:1.2rem;opacity:.6}
.accordion-button:not(.collapsed)::after{opacity:.8;filter:invert(22%) sepia(44%) saturate(580%) hue-rotate(158deg)}
.accordion-body{padding:1.1rem 1.4rem 1.4rem;color:var(--text-muted);font-size:15px;background:#fff;border-top:1px solid #f0f5f7}
/* cta */
.cta-section{padding:60px 0 90px}
.cta-banner{position:relative;border-radius:24px;background-color:var(--primary-light);background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;overflow:hidden;padding:3.6rem 2.6rem;box-shadow:var(--shadow-lg)}
.cta-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(233,242,246,.96),rgba(255,255,255,.82));z-index:0}
.cta-banner .cta-inner{position:relative;z-index:1;max-width:620px}
.cta-banner h2{font-size:28px;margin-bottom:.6rem}
.cta-banner p{color:var(--text-muted);font-size:15px;max-width:560px;margin-bottom:1.6rem}
.cta-feature{display:flex;flex-wrap:wrap;gap:1.2rem;margin-bottom:1.7rem;list-style:none;padding:0;margin-top:1.2rem}
.cta-feature li{display:flex;align-items:center;gap:.4rem;font-size:14px;color:var(--text-muted)}
.cta-feature li::before{content:"✓";display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:var(--success);color:#fff;font-size:11px}
/* footer */
.site-footer{background:#EDF3F6;border-top:1px solid #DEE8EE}
.footer-top{padding:58px 0 34px}
.footer-left .brand-name{color:#fff}
.footer-brand-badge{display:flex;align-items:center;gap:.6rem;margin-bottom:1rem}
.footer-brand-badge .brand-mark{background:var(--primary);color:#fff}
.footer-brand-badge .footer-brand-name{font-weight:800;font-size:20px}
.footer-brand-badge .footer-brand-tag{display:block;font-size:12px;color:var(--text-weak)}
.footer-left p{font-size:14px;color:var(--text-muted);max-width:300px}
.footer-column h4{font-size:16px;font-weight:700;margin-bottom:1rem}
.footer-column ul{list-style:none;padding:0;margin:0}
.footer-column ul li{margin-bottom:.45rem}
.footer-column ul li a{font-size:14px;color:var(--text-muted)}
.footer-column ul li a:hover{color:var(--primary)}
.footer-contact{font-size:14px;color:var(--text-muted);line-height:1.9;margin-bottom:1rem}
.footer-bottom{border-top:1px solid #DEE8EE;padding:1.1rem 0;font-size:13px;color:var(--text-weak)}
.footer-bottom .copyright{text-align:center}
/* mobile tabbar */
.mobile-tabbar{display:none}
/* modal & form */
.modal-content{border:0;border-radius:22px;box-shadow:var(--shadow-pop);overflow:hidden}
.modal-header{border:none;padding:1.6rem 2rem .4rem}
.modal-title{font-size:20px;font-weight:700}
.modal-body{padding:.6rem 2rem 2rem}
.btn-close{background-size:10px}
.form-remark{font-size:12px;color:var(--text-weak);line-height:1.6;background:var(--primary-light);border-radius:10px;padding:.7rem .9rem}
.privacy-check{font-size:13px;color:var(--text-muted)}
.privacy-check a{color:var(--primary)}
.form-success{text-align:center;padding:2.2rem 1rem}
.form-success .success-icon{width:64px;height:64px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;font-size:30px;color:var(--success)}
.form-success h4{font-size:19px;margin-bottom:.5rem}
.form-success p{color:var(--text-muted);font-size:15px}
/* responsive */
@media (max-width:991.98px){
  .section{padding:60px 0}
  .hero{padding:52px 0 64px}
  .hero h1{font-size:34px}
  .hero-stage{display:none}
  .main-nav,.header-btn{display:none!important}
  .header-inner{min-height:64px}
  .brand-name{font-size:18px}
  .brand-tag{font-size:10px}
  .mobile-tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;background:rgba(255,255,255,.98);backdrop-filter:blur(10px);border-top:1px solid #DEE8EE;padding-bottom:env(safe-area-inset-bottom)}
  .mobile-tabbar .m-tab{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--text-weak);font-size:11px;text-align:center;padding:8px 2px;border:none;background:transparent;position:relative;line-height:1.3}
  .mobile-tabbar .m-tab svg{width:21px;height:21px}
  .mobile-tabbar .m-tab.active{color:var(--primary);font-weight:600}
  .mobile-tabbar .m-tab.active::before{content:"";position:absolute;top:0;left:20%;right:20%;height:2px;border-radius:0 0 4px 4px;background:var(--primary)}
  .site-footer{margin-bottom:72px}
  .footer-top{padding:42px 0 28px}
  .facts-box{padding:2rem 1.4rem}
  .facts-text h2{font-size:25px}
  .cta-banner{padding:2.4rem 1.4rem}
  .bento-content{flex-direction:column;min-height:0}
  .bento-copy{padding:2rem 1.6rem}
  .bento-img{order:-1;flex:0 0 220px;min-height:180px;position:relative;width:100%}
  .bento-img img{position:absolute}
  .bento-secondary{padding:2rem 1.8rem}
  .news-card{flex-direction:column}
  .news-thumb{aspect-ratio:16/9}
}
@media (max-width:575.98px){
  .container,.container-lg{padding-left:1.2rem;padding-right:1.2rem}
  .section{padding:52px 0}
  .hero{padding:44px 0 56px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:17px}
  .hero-actions .btn{width:100%;max-width:none;text-align:center}
  .news-list-item h3{font-size:15px}
  .cta-actions .btn{width:100%}
  .footer-column{margin-bottom:2rem}
}
@media (min-width:992px){
  .mobile-tabbar{display:none!important}
  .site-footer{margin-bottom:0}
}

/* roulang page: category1 */
:root {
            --primary: #176B83;
            --primary-deep: #125A6E;
            --primary-light-bg: #E9F2F6;
            --accent: #E39B36;
            --page-bg: #F6F9FB;
            --card-bg: #FFFFFF;
            --text-main: #21323C;
            --text-sub: #5F7180;
            --text-muted: #8A9AA7;
            --border-color: #DEE8EE;
            --success: #2E9E7B;
            --radius-btn: 8px;
            --radius-card: 14px;
            --radius-panel: 20px;
            --shadow-card: 0 4px 14px rgba(23, 60, 76, 0.06);
            --shadow-hover: 0 14px 36px rgba(23, 60, 76, 0.10);
            --shadow-modal: 0 24px 70px rgba(18, 40, 52, 0.22);
            --font-sans: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        p {
            margin-top: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-top: 0;
        }

        .container {
            max-width: 1160px;
        }

        .section-block {
            padding: 92px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light-bg);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 24px;
        }

        .section-title {
            font-size: 32px;
            line-height: 1.35;
            margin-bottom: 18px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            margin-bottom: 36px;
        }

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .form-control:focus-visible,
        .form-select:focus-visible,
        .form-check-input:focus-visible {
            outline: 3px solid rgba(23, 107, 131, 0.35);
            outline-offset: 2px;
            box-shadow: none;
        }

        .btn {
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 16px;
            border: 1px solid transparent;
            transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

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

        .btn-primary:hover,
        .btn-primary:focus,
        .btn-primary:active {
            background: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #fff;
            box-shadow: 0 8px 20px rgba(23, 107, 131, 0.18);
            transform: translateY(-1px);
        }

        .btn-outline-primary {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-primary:hover,
        .btn-outline-primary:focus,
        .btn-outline-primary:active {
            background: var(--primary-light-bg);
            border-color: var(--primary-deep);
            color: var(--primary-deep);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--border-color);
            backdrop-filter: blur(6px);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: var(--text-main);
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--text-main);
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 13px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: 0 6px 14px rgba(23, 107, 131, 0.2);
        }

        .brand-text {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.02em;
        }

        .brand-tag {
            font-size: 11px;
            color: var(--text-sub);
            letter-spacing: 0.04em;
        }

        .main-nav ul {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            display: block;
            padding: 8px 14px;
            border-radius: 8px;
            color: var(--text-sub);
            font-weight: 500;
            font-size: 15px;
            position: relative;
        }

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

        .main-nav li.active a {
            color: var(--primary);
            background: var(--primary-light-bg);
            font-weight: 700;
        }

        .main-nav li.active a::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-btn {
            margin-left: 8px;
            padding: 9px 20px;
            font-size: 15px;
        }

        .mobile-bottom-tab {
            display: none;
        }

        .page-hero {
            position: relative;
            background-color: var(--primary-light-bg);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 84px 0 76px;
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(233, 242, 246, 0.96) 30%, rgba(233, 242, 246, 0.72));
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-line {
            display: inline-flex;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 22px;
            background: rgba(255, 255, 255, 0.62);
            padding: 5px 14px;
            border-radius: 999px;
        }

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

        .breadcrumb-line .divider {
            color: var(--text-muted);
        }

        .page-hero h1 {
            font-size: 42px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .page-hero-subtitle {
            font-size: 18px;
            color: var(--text-sub);
            margin-bottom: 32px;
        }

        .hero-quick-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .service-intro-section {
            padding: 92px 0 76px;
        }

        .intro-media-wrap {
            position: relative;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-height: 270px;
            background: var(--primary-light-bg);
        }

        .intro-media-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .intro-media-tag {
            position: absolute;
            left: 16px;
            top: 16px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }

        .intro-content {
            padding-left: 20px;
        }

        .intro-content h2 {
            font-size: 30px;
            margin-bottom: 18px;
        }

        .intro-content p {
            color: var(--text-sub);
            margin-bottom: 16px;
        }

        .intro-point-list {
            list-style: none;
            margin: 24px 0 0;
            padding: 0;
        }

        .intro-point-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            color: var(--text-main);
            font-size: 15px;
        }

        .intro-point-list li:last-child {
            border-bottom: none;
        }

        .intro-point-list .point-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            color: var(--primary);
            margin-top: 5px;
        }

        .service-path-section {
            background: #fff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .path-head {
            max-width: 760px;
            margin-bottom: 46px;
        }

        .steps-list {
            display: flex;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
            list-style: none;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-panel);
            background: var(--page-bg);
            overflow: hidden;
        }

        .step-item {
            flex: 1 1 0;
            min-width: 160px;
            padding: 28px 22px 24px;
            position: relative;
            background: var(--card-bg);
            border-right: 1px solid var(--border-color);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .step-item:last-child {
            border-right: 0;
        }

        .step-item:hover {
            background: var(--primary-light-bg);
            z-index: 1;
            box-shadow: var(--shadow-card);
        }

        .step-number {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-sub);
            margin: 0;
            line-height: 1.7;
        }

        .reading-section {
            padding: 92px 0 80px;
        }

        .reading-main {
            padding-right: 28px;
        }

        .reading-heading {
            font-size: 30px;
            margin-bottom: 24px;
        }

        .reading-lead {
            color: var(--text-sub);
            font-size: 18px;
            border-left: 4px solid var(--accent);
            padding-left: 18px;
            margin-bottom: 28px;
        }

        .reading-main h3 {
            font-size: 20px;
            margin-top: 32px;
            margin-bottom: 12px;
        }

        .reading-main p {
            color: var(--text-sub);
            margin-bottom: 16px;
            line-height: 1.9;
        }

        .reading-main ul {
            padding-left: 20px;
            color: var(--text-sub);
            margin-bottom: 16px;
        }

        .reading-main li {
            margin-bottom: 6px;
        }

        .reading-aside {
            background: var(--primary-light-bg);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            margin-bottom: 20px;
        }

        .reading-aside h3 {
            font-size: 18px;
            margin-bottom: 14px;
            color: var(--primary);
        }

        .aside-tip-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .aside-tip-list li {
            padding: 7px 0 7px 24px;
            position: relative;
            color: var(--text-sub);
            font-size: 15px;
        }

        .aside-tip-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 700;
        }

        .service-coverage-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            padding: 22px 18px;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
        }

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

        .coverage-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-light-bg);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .coverage-icon svg {
            width: 22px;
            height: 22px;
        }

        .coverage-no {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 0.1em;
        }

        .service-coverage-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .service-coverage-card p {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .faq-block {
            background: #fff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: 14px !important;
            margin-bottom: 16px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 2px 8px rgba(23, 60, 76, 0.03);
        }

        .accordion-button {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: #fff;
            box-shadow: none;
            border: 0;
        }

        .accordion-button::after {
            background-size: 18px;
            opacity: 0.6;
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light-bg);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
        }

        .accordion-body {
            padding: 18px 22px 22px;
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px solid var(--border-color);
            background: #fff;
        }

        .cta-block {
            padding: 84px 0;
        }

        .cta-panel {
            background: var(--primary-light-bg);
            border-radius: var(--radius-panel);
            padding: 56px 48px;
            border: 1px solid #d3e4eb;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-panel h2 {
            font-size: 30px;
            margin-bottom: 10px;
        }

        .cta-panel p {
            margin-bottom: 0;
            color: var(--text-sub);
            max-width: 600px;
        }

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

        .site-footer {
            background: #EDF3F6;
            border-top: 1px solid var(--border-color);
            padding-top: 54px;
        }

        .footer-brand-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .footer-brand-name {
            font-size: 18px;
            font-weight: 800;
            display: block;
            line-height: 1.3;
        }

        .footer-brand-tag {
            font-size: 12px;
            color: var(--text-sub);
        }

        .footer-left p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-column h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-main);
        }

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

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

        .footer-column a {
            font-size: 14px;
            color: var(--text-sub);
        }

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

        .footer-contact {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 18px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.55);
            border-radius: 10px;
        }

        .footer-bottom {
            margin-top: 42px;
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom .copyright {
            color: var(--text-muted);
            font-size: 14px;
        }

        .modal-content {
            border: 0;
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-modal);
        }

        .modal-header {
            border-bottom: 1px solid var(--border-color);
            padding: 24px 28px 16px;
        }

        .modal-header h3 {
            font-size: 22px;
        }

        .modal-header .modal-subtitle {
            font-size: 14px;
            color: var(--text-sub);
        }

        .modal-body {
            padding: 24px 28px 30px;
        }

        .form-label {
            font-weight: 600;
            color: var(--text-main);
            font-size: 14px;
            margin-bottom: 6px;
        }

        .form-control,
        .form-select {
            border-radius: 10px;
            border: 1px solid var(--border-color);
            padding: 11px 14px;
            font-size: 14px;
            background: #fff;
            font-family: var(--font-sans);
        }

        .form-control::placeholder {
            color: var(--text-muted);
        }

        .form-control:focus,
        .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(23, 107, 131, 0.12);
        }

        .form-check-input {
            border: 1px solid var(--border-color);
            border-radius: 4px;
        }

        .form-check-input:checked {
            background-color: var(--primary);
            border-color: var(--primary);
        }

        .privacy-note {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .privacy-check-label {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        .modal-footer {
            border-top: 1px solid var(--border-color);
            padding: 16px 28px 24px;
        }

        .close-btn {
            background: transparent;
            border: 0;
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 18px;
            color: var(--text-muted);
        }

        .close-btn:hover {
            background: var(--primary-light-bg);
            color: var(--primary);
        }

        @media (max-width: 991.98px) {
            .site-header {
                position: sticky;
                top: 0;
                background: rgba(255, 255, 255, 0.97);
            }

            .header-inner {
                justify-content: center;
                min-height: 60px;
            }

            .main-nav {
                display: none;
            }

            .header-btn {
                display: none;
            }

            .mobile-bottom-tab {
                display: flex;
                position: fixed;
                left: 0;
                right: 0;
                bottom: 0;
                z-index: 1200;
                background: #fff;
                border-top: 1px solid var(--border-color);
                box-shadow: 0 -6px 24px rgba(23, 60, 76, 0.06);
                padding-bottom: env(safe-area-inset-bottom);
            }

            .mobile-tab-link {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 4px;
                padding: 10px 4px 9px;
                font-size: 11px;
                color: var(--text-sub);
                background: none;
                border: 0;
                border-top: 2px solid transparent;
                font-family: var(--font-sans);
                text-decoration: none;
            }

            .mobile-tab-link svg {
                width: 20px;
                height: 20px;
            }

            .mobile-tab-link.active {
                color: var(--primary);
                border-top-color: var(--primary);
                font-weight: 700;
                background: var(--primary-light-bg);
            }

            .mobile-tab-link:hover {
                color: var(--primary);
                background: var(--primary-light-bg);
            }

            body {
                padding-bottom: 74px;
            }

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

            .page-hero {
                padding: 56px 0 52px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero-subtitle {
                font-size: 16px;
            }

            .service-intro-section {
                padding: 64px 0 52px;
            }

            .intro-content {
                padding-left: 0;
                margin-top: 28px;
            }

            .reading-section {
                padding: 62px 0 52px;
            }

            .reading-main {
                padding-right: 0;
            }

            .cta-block {
                padding: 58px 0;
            }

            .cta-panel {
                padding: 36px 24px;
            }

            .faq-block {
                padding-top: 18px;
                padding-bottom: 18px;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .brand-name {
                font-size: 18px;
            }

            .section-title {
                font-size: 26px;
            }

            .brand-tag {
                font-size: 10px;
            }

            .steps-list {
                flex-direction: column;
                border: 0;
                gap: 12px;
                background: transparent;
            }

            .step-item {
                border: 1px solid var(--border-color);
                border-radius: 14px;
                background: #fff;
            }

            .step-item:last-child {
                border-right: 1px solid var(--border-color);
            }

            .reading-aside {
                margin-top: 30px;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .footer-bottom {
                margin-top: 30px;
            }
        }

/* roulang page: article */
:root {
            --primary: #176B83;
            --primary-dark: #125A6E;
            --primary-light: #E9F2F6;
            --accent: #E39B36;
            --bg: #F6F9FB;
            --surface: #FFFFFF;
            --text: #21323C;
            --text-secondary: #5F7180;
            --text-muted: #8A9AA7;
            --border: #DEE8EE;
            --success: #2E9E7B;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 14px rgba(23, 60, 76, 0.06);
            --shadow-hover: 0 14px 36px rgba(23, 60, 76, 0.1);
            --shadow-modal: 0 24px 70px rgba(18, 40, 52, 0.22);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans CJK SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        ul,
        ol {
            padding-left: 0;
        }

        .container {
            max-width: 1200px;
        }

        .btn {
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 0.68rem 1.35rem;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            letter-spacing: 0.01em;
        }

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

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(23, 107, 131, 0.16);
        }

        .btn-primary:focus-visible,
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(23, 107, 131, 0.24);
        }

        .btn-light {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--primary-dark);
        }

        .btn-light:hover {
            background: #dceaf0;
            border-color: #dceaf0;
            color: var(--primary-dark);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: var(--primary-dark);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.65);
            border-color: rgba(255, 255, 255, 0.8);
            color: var(--primary-dark);
        }

        /* ============ Site Header ============ */
        .site-header {
            position: sticky;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(23, 60, 76, 0.04);
        }

        .site-header .container {
            display: flex;
            align-items: center;
        }

        .header-inner {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 13px;
            font-size: 22px;
            font-weight: 700;
            box-shadow: 0 8px 20px rgba(23, 107, 131, 0.18);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
        }

        .brand-tag {
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
        }

        .main-nav {
            margin-left: 24px;
        }

        .main-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav ul li a {
            display: block;
            padding: 9px 15px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

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

        .main-nav ul li.active a {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
            box-shadow: inset 0 -2px 0 var(--primary);
        }

        .header-btn {
            margin-left: 10px;
            flex-shrink: 0;
        }

        /* ============ Mobile Bottom Navigation ============ */
        .mobile-bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: #fff;
            border-top: 1px solid var(--border);
            box-shadow: 0 -8px 24px rgba(23, 60, 76, 0.07);
            padding-bottom: env(safe-area-inset-bottom);
        }

        .mobile-bottom-tabs nav {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
        }

        .mobile-bottom-tabs .tab-item {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 10px 4px 9px;
            background: transparent;
            border: 0;
            border-top: 2px solid transparent;
            color: var(--text-secondary);
            font-size: 11px;
            line-height: 1.2;
            text-align: center;
            transition: all 0.2s ease;
        }

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

        .mobile-bottom-tabs .tab-item span {
            max-width: 84px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .mobile-bottom-tabs .tab-item:hover,
        .mobile-bottom-tabs .tab-item:focus-visible {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 0;
            outline: none;
        }

        .mobile-bottom-tabs .tab-item.active {
            color: var(--primary);
            border-top-color: var(--primary);
            font-weight: 600;
        }

        .mobile-top-meta {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* ============ Article Page Hero ============ */
        .article-page {
            min-height: 70vh;
        }

        .article-hero {
            position: relative;
            padding: 58px 0 46px;
            overflow: hidden;
            background: var(--primary-light);
        }

        .article-hero-bg {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(90deg, rgba(233, 242, 246, 0.94) 35%, rgba(226, 238, 243, 0.6)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: 75% center;
            background-repeat: no-repeat;
            z-index: 0;
        }

        .article-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }

        .breadcrumb-nav a {
            color: var(--primary);
            font-weight: 500;
        }

        .breadcrumb-nav a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .breadcrumb-sep {
            color: var(--border);
            font-size: 13px;
        }

        .breadcrumb-current {
            color: var(--text-secondary);
        }

        .article-hero h1 {
            margin: 0 0 18px;
            max-width: 860px;
            font-size: 40px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .article-meta .meta-flag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 3px 12px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-pill);
            color: var(--primary-dark);
            font-weight: 500;
        }

        .article-meta .meta-time {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
        }

        /* ============ Article Main + Sidebar ============ */
        .article-wrap {
            padding: 52px 0 20px;
        }

        .article-main-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(222, 232, 238, 0.65);
            box-shadow: var(--shadow-sm);
            padding: 42px 48px;
            margin-bottom: 42px;
        }

        .article-category-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .article-cat-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 13px;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .article-origin {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .divider-line {
            height: 1px;
            background: var(--border);
            margin: 8px 0 30px;
        }

        .cms-content {
            color: #263840;
            font-size: 17px;
            line-height: 1.9;
            overflow-wrap: break-word;
        }

        .cms-content h2 {
            font-size: 26px;
            line-height: 1.5;
            margin: 1.9em 0 0.8em;
            padding-left: 15px;
            border-left: 4px solid var(--primary);
            color: var(--text);
        }

        .cms-content h3 {
            font-size: 21px;
            line-height: 1.5;
            margin: 1.7em 0 0.7em;
            color: var(--text);
        }

        .cms-content h4 {
            font-size: 18px;
            margin: 1.4em 0 0.5em;
            color: var(--text);
        }

        .cms-content p {
            margin-bottom: 1.35em;
        }

        .cms-content ul,
        .cms-content ol {
            margin: 1.2em 0 1.6em;
            padding-left: 1.4rem;
        }

        .cms-content li {
            margin-bottom: 0.45em;
        }

        .cms-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 1.4em 0;
        }

        .cms-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--primary-light);
            padding: 16px 22px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-secondary);
            margin: 1.6em 0;
            font-size: 15px;
        }

        .cms-content table {
            display: block;
            width: 100%;
            max-width: 100%;
            overflow-x: auto;
            border-collapse: collapse;
            margin: 1.6em 0;
            background: #fff;
            border-radius: var(--radius-md);
        }

        .cms-content table th,
        .cms-content table td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            background: #fff;
            min-width: 120px;
            text-align: left;
        }

        .cms-content table th {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
        }

        .cms-content a {
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-bottom-links {
            margin-top: 44px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }

        .article-bottom-links .link-group {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .back-home-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 500;
        }

        .back-home-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        /* ============ Sidebar ============ */
        .article-aside .side-card {
            background: var(--surface);
            border: 1px solid rgba(222, 232, 238, 0.7);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            margin-bottom: 26px;
        }

        .side-card .side-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .side-card .side-card-title::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--border);
        }

        .side-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .side-nav-list li + li {
            border-top: 1px dashed var(--border);
            margin-top: 4px;
            padding-top: 4px;
        }

        .side-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 8px;
            border-radius: var(--radius-sm);
            color: var(--text);
            font-weight: 500;
            transition: background 0.2s ease, color 0.2s ease;
        }

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

        .side-nav-list .nav-index {
            width: 30px;
            height: 30px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 9px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
        }

        .side-nav-list .nav-name {
            flex: 1;
        }

        .side-nav-list .nav-arrow {
            font-size: 15px;
            color: var(--text-muted);
            transition: transform 0.2s ease, color 0.2s ease;
        }

        .side-nav-list a:hover .nav-arrow {
            color: var(--primary);
            transform: translateX(3px);
        }

        .side-note-card {
            background: var(--primary-light);
            border: 1px solid rgba(23, 107, 131, 0.12);
            border-radius: var(--radius-md);
            padding: 22px;
            margin-bottom: 20px;
        }

        .side-note-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .side-note-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 15px;
            line-height: 1.75;
        }

        .side-note-card .btn {
            width: 100%;
        }

        .side-faq-item {
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
        }

        .side-faq-item:last-child {
            border-bottom: 0;
            padding-bottom: 0;
        }

        .side-faq-item h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            gap: 8px;
            margin-bottom: 8px;
        }

        .side-faq-item h5::before {
            content: '问';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            transform: translateY(2px);
        }

        .side-faq-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-left: 30px;
            margin: 0;
        }

        .side-panel-cta {
            text-align: center;
            padding: 26px;
        }

        .side-panel-cta .rounded-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
        }

        .side-panel-cta h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .side-panel-cta p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        /* ============ Empty State ============ */
        .article-empty-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 480px;
            padding: 80px 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .article-empty-card {
            max-width: 460px;
            text-align: center;
        }

        .article-empty-card .empty-glyph {
            width: 76px;
            height: 76px;
            margin: 0 auto 22px;
            background: var(--primary-light);
            border-radius: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 28px;
        }

        .article-empty-card h2 {
            font-size: 27px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .article-empty-card p {
            color: var(--text-secondary);
            margin-bottom: 22px;
        }

        /* ============ CTA Strip ============ */
        .article-cta-strip {
            margin: 56px 0 76px;
        }

        .article-cta-inner {
            background: var(--primary-light);
            border: 1px solid rgba(23, 107, 131, 0.1);
            border-radius: var(--radius-lg);
            padding: 42px 38px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        .article-cta-inner h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .article-cta-inner p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 15px;
        }

        /* ============ Site Footer ============ */
        .site-footer {
            background: #EDF3F6;
            border-top: 1px solid var(--border);
            padding: 64px 0 32px;
        }

        .site-footer .footer-top {
            padding-bottom: 34px;
        }

        .footer-brand-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand-name {
            display: block;
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
        }

        .footer-brand-tag {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 3px;
        }

        .site-footer .footer-left > p {
            max-width: 360px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .site-footer .footer-column h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }

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

        .site-footer .footer-column ul li {
            margin-bottom: 9px;
        }

        .site-footer .footer-column ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }

        .site-footer .footer-column ul li a:hover {
            color: var(--primary);
        }

        .footer-contact {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.65);
            border-radius: var(--radius-sm);
        }

        .site-footer .header-btn {
            margin-left: 0;
        }

        .footer-bottom {
            padding-top: 26px;
            border-top: 1px solid rgba(23, 60, 76, 0.1);
            text-align: center;
        }

        .footer-bottom .copyright {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ============ Form Modal ============ */
        .site-modal .modal-content {
            border: 0;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-modal);
            padding: 14px 10px 4px;
        }

        .site-modal .modal-header {
            border: 0;
            padding: 18px 22px 4px;
        }

        .site-modal .modal-title {
            font-size: 22px;
            font-weight: 700;
        }

        .site-modal .modal-body {
            padding: 18px 24px 26px;
        }

        .site-modal .modal-close {
            background: var(--primary-light);
            border-radius: 50%;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 1;
            border: none;
            color: var(--text);
        }

        .site-modal .form-label {
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }

        .site-modal .form-control,
        .site-modal .form-select {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1rem;
            color: var(--text);
            background-color: #fff;
            transition: all 0.2s ease;
        }

        .site-modal .form-control:focus,
        .site-modal .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(23, 107, 131, 0.12);
            outline: none;
        }

        .privacy-row {
            display: flex;
            gap: 8px;
            align-items: flex-start;
            margin: 18px 0 14px;
        }

        .privacy-row input[type="checkbox"] {
            width: 17px;
            height: 17px;
            margin-top: 3px;
            accent-color: var(--primary);
        }

        .privacy-row label {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.5;
            user-select: none;
        }

        .form-success-msg {
            display: none;
            font-size: 13px;
            color: var(--success);
            text-align: center;
            margin-top: 10px;
        }

        /* ============ Responsive ============ */
        @media (max-width: 991px) {
            .main-nav,
            .header-btn {
                display: none;
            }

            .header-inner {
                min-height: 64px;
            }

            .mobile-bottom-tabs {
                display: block;
            }

            body {
                padding-bottom: 68px;
            }

            .article-hero {
                padding: 42px 0 36px;
            }

            .article-hero h1 {
                font-size: 32px;
            }

            .article-wrap {
                padding: 32px 0 12px;
            }

            .article-main-card {
                padding: 30px 30px;
            }

            .site-footer {
                padding-top: 46px;
            }
        }

        @media (max-width: 767px) {
            .article-hero h1 {
                font-size: 27px;
            }

            .article-main-card {
                padding: 24px 20px;
                border-radius: 16px;
                margin-bottom: 30px;
            }

            .cms-content {
                font-size: 16px;
                line-height: 1.85;
            }

            .cms-content h2 {
                font-size: 22px;
                padding-left: 12px;
            }

            .cms-content h3 {
                font-size: 19px;
            }

            .article-meta {
                gap: 8px 14px;
            }

            .article-sidebar {
                margin-top: 10px;
            }

            .article-cta-inner {
                padding: 30px 24px;
            }

            .article-cta-strip {
                margin-top: 30px;
                margin-bottom: 56px;
            }

            .footer-column {
                margin-top: 16px;
            }

            .footer-bottom {
                margin-bottom: 14px;
            }

            .brand-tag {
                display: none;
            }

            .brand-name {
                font-size: 17px;
            }
        }

        @media (max-width: 480px) {
            .mobile-bottom-tabs .tab-item {
                font-size: 10px;
            }

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

            .brand-mark {
                width: 38px;
                height: 38px;
                font-size: 19px;
                border-radius: 11px;
            }

            .brand-name {
                font-size: 16px;
            }

            .article-hero {
                padding: 30px 0 26px;
            }

            .breadcrumb-nav {
                font-size: 13px;
                margin-bottom: 14px;
            }

            .article-meta {
                font-size: 13px;
            }

            .article-main-card {
                padding: 20px 16px;
            }

            .site-modal .modal-body {
                padding: 12px 16px 20px;
            }
        }

/* roulang page: category2 */
:root {
  --brand: #176B83;
  --brand-dark: #125A6E;
  --brand-light: #E9F2F6;
  --accent: #E39B36;
  --accent-light: #FBF1E0;
  --bg: #F6F9FB;
  --surface: #FFFFFF;
  --text: #21323C;
  --text-light: #5F7180;
  --text-muted: #8A9AA7;
  --border: #DEE8EE;
  --success: #2E9E7B;
  --shadow: 0 4px 14px rgba(23, 60, 76, 0.06);
  --shadow-hover: 0 14px 36px rgba(23, 60, 76, 0.1);
  --shadow-modal: 0 24px 70px rgba(18, 40, 52, 0.22);
  --radius: 8px;
  --radius-card: 14px;
  --radius-panel: 20px;
  --radius-round: 999px;
  --font: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans CJK SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
}

.container {
  max-width: 1200px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1020;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 12px;
  background: var(--brand);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 18px rgba(23, 107, 131, 0.18);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  gap: 2px;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand-tag {
  font-size: 12px;
  color: var(--text-light);
  white-space: nowrap;
}

.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 30px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  position: relative;
  display: inline-block;
  padding: 10px 2px 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: transparent;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s ease, background 0.22s ease;
}

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

.main-nav a:hover::after,
.main-nav li.active a::after {
  transform: scaleX(1);
  background: var(--brand);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--brand);
  border: 1px solid var(--brand);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(23, 107, 131, 0.45);
  color: var(--brand);
}

.btn-outline:hover,
.btn-outline:focus {
  border-color: var(--brand);
  background: var(--brand-light);
  color: var(--brand-dark);
}

.header-btn {
  padding: 10px 22px;
  min-width: 110px;
  border-radius: 8px;
  font-weight: 600;
}

.mobile-tab-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1070;
  background: rgba(255, 255, 255, 0.98);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
  box-shadow: 0 -8px 32px rgba(18, 40, 52, 0.06);
}

.mobile-tab-bar .tab-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-around;
}

.mobile-tab-bar .tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 64px;
  color: var(--text-light);
  font-size: 12px;
  line-height: 1;
  text-align: center;
  border-radius: 0;
  padding: 8px 2px 6px;
  position: relative;
}

.mobile-tab-bar .tab-item::before {
  content: "";
  position: absolute;
  left: 20%;
  right: 20%;
  top: 0;
  height: 2px;
  border-radius: 0 0 4px 4px;
  background: transparent;
}

.mobile-tab-bar .tab-item.active,
.mobile-tab-bar .tab-item:hover {
  color: var(--brand);
  background: rgba(233, 242, 246, 0.45);
}

.mobile-tab-bar .tab-item.active::before {
  background: var(--brand);
}

.mobile-tab-bar .tab-icon {
  width: 21px;
  height: 21px;
  display: inline-flex;
}

.mobile-tab-bar .tab-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-category {
  background: linear-gradient(105deg, #DBEDF2 0%, #EFF6F8 58%, #F6F9FB 100%);
  position: relative;
  padding: 58px 0 52px;
  overflow: hidden;
}

.hero-category::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(115deg, rgba(255,255,255,0.82), rgba(255,255,255,0.28)), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center right;
  opacity: 0.35;
  pointer-events: none;
}

.hero-category .container {
  position: relative;
  z-index: 1;
}

.page-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 22px;
}

.page-breadcrumb a {
  color: var(--text-light);
}

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

.page-breadcrumb .icon-sep {
  display: inline-flex;
  align-items: center;
  margin: 0 2px;
  opacity: 0.6;
}

.hero-title {
  margin: 0 0 14px;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.hero-title .text-brand {
  color: var(--brand);
}

.hero-lead {
  max-width: 720px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 26px;
}

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-size: 13px;
  line-height: 1;
  padding: 8px 14px;
  border-radius: var(--radius-round);
  font-weight: 500;
  white-space: nowrap;
}

.section {
  padding: 90px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-head {
  max-width: 840px;
  margin-bottom: 44px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 12px;
}

.eyebrow-dot {
  width: 28px;
  height: 3px;
  border-radius: 4px;
  background: var(--accent);
}

.section-title {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 16px;
}

.section-lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-light);
  margin: 0;
}

.scene-row {
  background: var(--surface);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 28px;
  border: 1px solid rgba(222, 232, 238, 0.72);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.scene-row:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.scene-media {
  min-height: 320px;
  height: 100%;
}

.scene-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scene-content {
  padding: 40px 46px 42px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.scene-index {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.scene-index .line {
  width: 36px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.scene-content h3 {
  font-size: 25px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text);
  margin: 0 0 16px;
}

.scene-content p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.9;
  margin: 0 0 22px;
}

.feature-points {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.feature-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-light);
  font-size: 15px;
}

.point-icon {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  flex: 0 0 6px;
  margin-top: 11px;
}

.scene-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-group-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.panel-split {
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid rgba(222, 232, 238, 0.7);
}

.panel-split .feature-panel {
  background: linear-gradient(145deg, #E9F2F6 0%, #F7FAFC 100%);
  padding: 40px 44px;
}

.feature-panel h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 14px;
}

.feature-panel p {
  color: var(--text-light);
  margin: 0;
  line-height: 1.9;
}

.feature-list {
  background: var(--surface);
  padding: 40px 44px;
}

.feature-list h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 20px;
}

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.feature-list-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.number-badge {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  min-width: 30px;
}

.feature-list-item strong {
  display: block;
  font-size: 16px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 4px;
}

.feature-list-item span {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

.cta-section {
  background: var(--brand-light);
  border-top: 1px solid rgba(23, 107, 131, 0.08);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding: 64px 0;
}

.cta-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 8px;
}

.cta-text {
  color: var(--text-light);
  font-size: 15px;
  margin: 0;
}

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

.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: 14px !important;
  background: var(--surface);
  margin-bottom: 14px;
  box-shadow: 0 2px 8px rgba(23, 60, 76, 0.03);
  overflow: hidden;
}

.accordion-item:last-child {
  margin-bottom: 0;
}

.accordion-button {
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  background: var(--surface);
  border: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  border-radius: 14px !important;
  box-shadow: none;
}

.accordion-button:not(.collapsed) {
  background: #FBFDFE;
  color: var(--brand-dark);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}

.accordion-button::before {
  content: "问";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  background: var(--brand-light);
  color: var(--brand-dark);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
}

.accordion-button::after {
  background: none;
  content: "+";
  font-size: 22px;
  line-height: 1;
  color: var(--brand);
  width: auto;
  height: auto;
  font-weight: 400;
}

.accordion-button:not(.collapsed)::after {
  content: "−";
  transform: none;
}

.accordion-body {
  padding: 4px 26px 26px 68px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.9;
  border-top: 1px solid var(--border);
  margin-top: 2px;
}

.footer-contact-text {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 18px;
}

.form-control,
.form-select {
  border-radius: var(--radius);
  border-color: var(--border);
  padding: 10px 14px;
  font-size: 15px;
  color: var(--text);
  background: var(--surface);
  box-shadow: none;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand);
  outline: none;
  box-shadow: 0 0 0 3px rgba(23, 107, 131, 0.14);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-check-input {
  border: 1px solid var(--border);
  border-radius: 4px;
}

.form-check-input:checked {
  background-color: var(--brand);
  border-color: var(--brand);
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(23, 107, 131, 0.14);
  border-color: var(--brand);
}

.form-check-label {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
}

.form-success {
  text-align: center;
  padding: 30px 10px 24px;
  color: var(--success);
}

.form-success h5 {
  font-weight: 800;
  color: var(--text);
}

.modal-content {
  border: 0;
  border-radius: 20px;
  box-shadow: var(--shadow-modal);
}

.modal-header {
  border-bottom: 1px solid var(--border);
  padding: 22px 26px 16px;
}

.modal-title {
  font-weight: 800;
  color: var(--text);
}

.btn-close {
  border-radius: 50%;
  padding: 6px;
  background: transparent;
}

.btn-close:focus {
  box-shadow: 0 0 0 3px rgba(23, 107, 131, 0.14);
}

.modal-body {
  padding: 24px 26px 14px;
}

.modal-footer {
  border-top: 0;
  padding: 10px 26px 24px;
  justify-content: center;
}

.privacy-note {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
  background: var(--bg);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 14px 0 0;
}

.submit-btn {
  width: 100%;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 700;
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (max-width: 1199.98px) {
  .main-nav ul {
    gap: 22px;
  }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
  .brand-tag {
    display: none;
  }
}

@media (max-width: 991.98px) {
  .site-header {
    min-height: 62px;
  }

  .header-inner {
    min-height: 62px;
  }

  .header-btn,
  .main-nav {
    display: none !important;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
    font-size: 19px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-tag {
    font-size: 11px;
  }

  body {
    padding-bottom: 60px;
  }

  .mobile-tab-bar {
    display: block;
  }

  .hero-category {
    padding: 42px 0 38px;
  }

  .hero-category::before {
    opacity: 0.22;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .section {
    padding: 62px 0;
  }

  .section-title {
    font-size: 26px;
  }

  .scene-content {
    padding: 32px 28px 34px;
  }

  .scene-content h3 {
    font-size: 21px;
  }

  .panel-split .feature-panel,
  .feature-list {
    padding: 32px 28px;
  }

  .cta-inner {
    padding: 44px 0;
  }

  .cta-title {
    font-size: 23px;
  }
}

@media (max-width: 767.98px) {
  .scene-media {
    min-height: 240px;
  }

  .section-title {
    font-size: 24px;
  }

  .section-lead {
    font-size: 15px;
  }

  .feature-list-item {
    gap: 12px;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-category {
    padding: 34px 0 30px;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-tag {
    display: none;
  }

  .hero-title {
    font-size: 28px;
    line-height: 1.3;
  }

  .hero-lead {
    font-size: 15px;
    line-height: 1.75;
  }

  .page-breadcrumb {
    font-size: 13px;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 22px;
  }

  .scene-content {
    padding: 26px 22px;
  }

  .scene-content h3 {
    font-size: 19px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* roulang page: category3 */
:root {
            --primary: #176B83;
            --primary-dark: #125A6E;
            --primary-tint: #E9F2F6;
            --accent: #E39B36;
            --accent-soft: #FBF2E4;
            --bg-page: #F6F9FB;
            --surface: #FFFFFF;
            --text-main: #21323C;
            --text-secondary: #5F7180;
            --text-muted: #8A9AA7;
            --line: #DEE8EE;
            --success: #2E9E7B;
            --shadow-card: 0 4px 14px rgba(23, 60, 76, .06);
            --shadow-hover: 0 14px 36px rgba(23, 60, 76, .10);
            --shadow-modal: 0 24px 70px rgba(18, 40, 52, .22);
            --radius-btn: 8px;
            --radius-card: 14px;
            --radius-box: 20px;
            --font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-page);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            overflow-x: hidden;
        }

        body.modal-open {
            padding-right: 0 !important;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        .form-control:focus-visible,
        .form-select:focus-visible {
            outline: 3px solid rgba(23, 107, 131, .25);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, .96);
            border-bottom: 1px solid rgba(222, 232, 238, .8);
            backdrop-filter: none;
            box-shadow: 0 1px 10px rgba(23, 60, 76, .05);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 72px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            box-shadow: 0 6px 14px rgba(23, 107, 131, .2);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: .02em;
        }

        .brand-tag {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .main-nav ul {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            transition: color .2s ease, background .2s ease;
        }

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

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

        .main-nav li.active a::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 3px;
            height: 2px;
            border-radius: 4px;
            background: var(--primary);
        }

        .header-btn {
            flex-shrink: 0;
            margin-left: 8px;
        }

        .btn {
            border-radius: var(--radius-btn);
            font-size: 15px;
            padding: 10px 20px;
            font-weight: 600;
            transition: background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }

        .btn-primary {
            --bs-btn-color: #fff;
            --bs-btn-bg: var(--primary);
            --bs-btn-border-color: var(--primary);
            --bs-btn-hover-color: #fff;
            --bs-btn-hover-bg: var(--primary-dark);
            --bs-btn-hover-border-color: var(--primary-dark);
            --bs-btn-active-color: #fff;
            --bs-btn-active-bg: var(--primary-dark);
            --bs-btn-active-border-color: var(--primary-dark);
            --bs-btn-focus-shadow-rgb: 23, 107, 131;
            box-shadow: 0 4px 12px rgba(23, 107, 131, .16);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(23, 107, 131, .2);
        }

        .btn-outline-more {
            --bs-btn-color: var(--primary);
            --bs-btn-border-color: rgba(23, 107, 131, .45);
            --bs-btn-hover-color: #fff;
            --bs-btn-hover-bg: var(--primary);
            --bs-btn-hover-border-color: var(--primary);
            --bs-btn-active-color: #fff;
            --bs-btn-active-bg: var(--primary-dark);
            --bs-btn-active-border-color: var(--primary-dark);
            border-radius: var(--radius-btn);
            font-weight: 600;
            background: transparent;
        }

        .btn-outline-white {
            --bs-btn-color: var(--primary-dark);
            --bs-btn-border-color: rgba(18, 90, 110, .35);
            --bs-btn-hover-color: #fff;
            --bs-btn-hover-bg: var(--primary);
            --bs-btn-hover-border-color: var(--primary);
            --bs-btn-active-color: #fff;
            --bs-btn-active-bg: var(--primary-dark);
            border-radius: var(--radius-btn);
            font-weight: 600;
            background: #fff;
        }

        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #E5F0F5 0%, #F3F8FA 100%);
            padding: 62px 0 70px;
            overflow: hidden;
            border-bottom: 1px solid rgba(222, 232, 238, .6);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: .10;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-breadcrumb {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .hero-breadcrumb a {
            color: var(--primary);
            font-weight: 500;
        }

        .hero-breadcrumb .sep {
            color: var(--text-muted);
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }

        .hero-lead {
            max-width: 720px;
            color: var(--text-secondary);
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 30px;
        }

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

        .section-block {
            padding: 88px 0;
        }

        .section-block.white-bg {
            background: var(--surface);
            border-top: 1px solid rgba(222, 232, 238, .5);
            border-bottom: 1px solid rgba(222, 232, 238, .5);
        }

        .section-kicker {
            display: inline-block;
            background: var(--primary-tint);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }

        .quick-entry-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 24px;
        }

        .quick-card {
            height: 100%;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 26px 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
        }

        .quick-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(23, 107, 131, .35);
        }

        .quick-card-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--primary-tint);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .quick-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .quick-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .quick-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: #B4731D;
            font-size: 13px;
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 500;
        }

        .split-guide {
            background: var(--bg-page);
        }

        .material-panel {
            border: 1px solid var(--line);
            background: var(--surface);
            border-radius: var(--radius-box);
            padding: 30px;
            box-shadow: var(--shadow-card);
            height: 100%;
        }

        .material-panel h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-main);
            margin: 12px 0 10px;
        }

        .material-panel .guide-remark {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 24px;
        }

        .material-list {
            list-style: none;
            padding: 0;
            margin: 0 0 26px;
        }

        .material-list li {
            position: relative;
            padding: 12px 0 12px 62px;
            border-bottom: 1px dashed var(--line);
            min-height: 58px;
            display: flex;
            align-items: center;
        }

        .material-list li:last-child {
            border-bottom: 0;
        }

        .material-step {
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 38px;
            height: 38px;
            border-radius: 11px;
            background: var(--primary-tint);
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .material-list strong {
            display: block;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }

        .material-list span {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 2px;
        }

        .tip-banner {
            border-radius: 14px;
            background: #F1F7FA;
            border: 1px solid rgba(23, 107, 131, .18);
            padding: 20px;
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }

        .tip-banner svg {
            flex-shrink: 0;
            margin-top: 3px;
            color: var(--primary);
        }

        .tip-banner strong {
            display: block;
            color: var(--primary-dark);
            font-size: 15px;
            margin-bottom: 4px;
        }

        .tip-banner p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        .faq-panel {
            border: 1px solid var(--line);
            background: var(--surface);
            border-radius: var(--radius-box);
            padding: 30px;
            box-shadow: var(--shadow-card);
        }

        .faq-panel h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-main);
            margin: 12px 0 6px;
        }

        .accordion-note {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 20px;
        }

        .accordion-item {
            border: 0;
            border-bottom: 1px solid var(--line);
            background: transparent;
        }

        .accordion-item:last-child {
            border-bottom: 0;
        }

        .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            padding: 17px 4px;
            border: 0;
            box-shadow: none;
            line-height: 1.5;
            border-radius: 0 !important;
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: transparent;
            box-shadow: none;
        }

        .accordion-button:hover {
            color: var(--primary);
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(23, 107, 131, .18);
            outline-offset: 3px;
            border-radius: 8px;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23176983' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M8 2a.75.75 0 0 1 .75.75v4.5h4.5a.75.75 0 0 1 0 1.5h-4.5v4.5a.75.75 0 0 1-1.5 0v-4.5h-4.5a.75.75 0 0 1 0-1.5h4.5v-4.5A.75.75 0 0 1 8 2Z'/%3E%3C/svg%3E");
            background-size: 16px;
            transition: transform .2s ease;
        }

        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23176983' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M3.75 8a.75.75 0 0 1 .75-.75h7a.75.75 0 0 1 0 1.5h-7a.75.75 0 0 1-.75-.75Z'/%3E%3C/svg%3E");
        }

        .accordion-body {
            padding: 0 28px 20px 16px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .process-media-section {
            background: var(--surface);
            border-top: 1px solid rgba(222, 232, 238, .5);
            border-bottom: 1px solid rgba(222, 232, 238, .5);
        }

        .process-media-section .section-kicker {
            background: var(--primary-tint);
        }

        .process-media-section figure {
            margin: 0;
            border-radius: var(--radius-box);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            min-height: 260px;
        }

        .process-media-section figure img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .process-content {
            padding-left: 8px;
        }

        .process-content .section-title {
            font-size: 28px;
        }

        .process-steps {
            display: flex;
            flex-direction: column;
            gap: 0;
            margin-top: 20px;
        }

        .process-step {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--line);
        }

        .process-step:last-child {
            border-bottom: 0;
        }

        .process-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-tint);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 4px;
        }

        .process-step p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        .security-note-section {
            background: var(--bg-page);
        }

        .security-note-card {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-box);
            background: var(--primary-tint);
            border: 1px solid rgba(23, 107, 131, .15);
            padding: 40px;
        }

        .security-note-card h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text-main);
        }

        .security-note-card p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 780px;
            margin-bottom: 0;
        }

        .security-note-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .security-note-tags span {
            display: inline-block;
            background: #fff;
            color: var(--primary-dark);
            font-size: 14px;
            font-weight: 500;
            border-radius: 999px;
            padding: 6px 15px;
            border: 1px solid rgba(23, 107, 131, .18);
        }

        .cta-section {
            background: var(--surface);
            padding: 44px 0 88px;
        }

        .cta-card {
            background: linear-gradient(135deg, #E5EFF4 0%, #F3F7FA 100%);
            border: 1px solid rgba(23, 107, 131, .12);
            border-radius: var(--radius-box);
            padding: 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .5);
            top: -100px;
            right: -60px;
        }

        .cta-card h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-main);
            position: relative;
        }

        .cta-card p {
            max-width: 640px;
            margin: 0 auto 24px;
            color: var(--text-secondary);
            position: relative;
            font-size: 16px;
        }

        .cta-card .hero-actions {
            justify-content: center;
            position: relative;
        }

        .site-footer {
            background: #EDF3F6;
            border-top: 1px solid #D8E4EA;
            padding: 60px 0 32px;
        }

        .footer-top {
            padding-bottom: 34px;
            border-bottom: 1px solid #D3E1E7;
        }

        .footer-left {
            padding-right: 24px;
        }

        .footer-brand-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand-name {
            display: block;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
        }

        .footer-brand-tag {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        .footer-brand-badge .brand-mark {
            width: 42px;
            height: 42px;
            font-size: 21px;
            border-radius: 12px;
        }

        .footer-left>p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-column h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }

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

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

        .footer-column ul a {
            color: var(--text-secondary);
            font-size: 15px;
            transition: color .2s ease;
        }

        .footer-column ul a:hover {
            color: var(--primary);
        }

        .footer-contact {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .footer-bottom {
            padding-top: 24px;
            text-align: left;
        }

        .copyright {
            color: var(--text-muted);
            font-size: 14px;
        }

        .pb-bottom-tab {
            display: none;
        }

        .modal-backdrop.show {
            opacity: .32;
        }

        .modal-content {
            border: 0;
            border-radius: 20px;
            box-shadow: var(--shadow-modal);
            overflow: hidden;
        }

        .modal-header {
            background: var(--primary-tint);
            padding: 20px 24px;
            border-bottom: 1px solid rgba(23, 107, 131, .1);
        }

        .modal-title {
            font-weight: 800;
            color: var(--text-main);
            font-size: 20px;
        }

        .modal-body {
            padding: 26px 28px;
        }

        .modal-body .form-label {
            font-weight: 600;
            color: var(--text-main);
            font-size: 14px;
            margin-bottom: 6px;
        }

        .form-control,
        .form-select {
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 15px;
            color: var(--text-main);
            background: #fff;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .form-control:focus,
        .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(23, 107, 131, .14);
        }

        .form-check-input {
            border-color: var(--line);
        }

        .form-check-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(23, 107, 131, .14);
        }

        .form-check-input:checked {
            background-color: var(--primary);
            border-color: var(--primary);
        }

        .form-message {
            font-size: 14px;
            color: var(--success);
            margin-top: 8px;
        }

        .privacy-line {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .btn-close {
            background-size: 14px;
        }

        @media (max-width: 991.98px) {
            .header-inner {
                min-height: 62px;
            }

            .main-nav {
                display: none;
            }

            .header-btn {
                font-size: 14px;
                padding: 7px 13px;
                margin-left: auto;
            }

            .brand-name {
                font-size: 18px;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 17px;
                border-radius: 10px;
            }

            .brand-tag {
                font-size: 11px;
            }

            body {
                padding-bottom: 76px;
            }

            .pb-bottom-tab {
                display: flex;
                position: fixed;
                left: 0;
                right: 0;
                bottom: 0;
                z-index: 1080;
                background: #ffffff;
                border-top: 1px solid var(--line);
                box-shadow: 0 -6px 24px rgba(23, 60, 76, .08);
                padding-bottom: env(safe-area-inset-bottom);
                justify-content: space-around;
                align-items: stretch;
                height: 68px;
            }

            .pb-tab-item {
                flex: 1;
                display: flex;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 4px;
                border: 0;
                background: transparent;
                color: var(--text-muted);
                font-size: 11px;
                line-height: 1.2;
                padding: 4px 2px;
                position: relative;
                border-radius: 0;
                min-width: 0;
                text-align: center;
            }

            .pb-tab-item svg {
                width: 21px;
                height: 21px;
            }

            .pb-tab-item.active {
                color: var(--primary);
                font-weight: 700;
            }

            .pb-tab-item.active::before {
                content: "";
                position: absolute;
                top: 0;
                left: 18%;
                right: 18%;
                height: 2px;
                border-radius: 0 0 4px 4px;
                background: var(--primary);
            }

            .pb-tab-item span {
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
                max-width: 100%;
                padding: 0 2px;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero {
                padding: 40px 0 48px;
            }

            .page-hero h1 {
                font-size: 28px;
                line-height: 1.3;
                margin-bottom: 12px;
            }

            .hero-lead {
                font-size: 15px;
                line-height: 1.75;
                margin-bottom: 22px;
            }

            .hero-actions .btn {
                font-size: 14px;
                padding: 9px 16px;
            }

            .section-block {
                padding: 58px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .section-subtitle {
                font-size: 15px;
            }

            .quick-entry-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .quick-card {
                padding: 22px;
            }

            .material-panel,
            .faq-panel {
                padding: 22px;
            }

            .faq-panel {
                margin-top: 24px;
            }

            .material-list li {
                padding-left: 50px;
            }

            .material-step {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .process-content {
                padding-left: 0;
                margin-top: 24px;
            }

            .process-step {
                padding: 14px 0;
            }

            .process-num {
                width: 38px;
                height: 38px;
                font-size: 14px;
            }

            .security-note-card {
                padding: 26px 22px;
            }

            .security-note-card h2 {
                font-size: 21px;
            }

            .cta-section {
                padding: 30px 0 56px;
            }

            .cta-card {
                padding: 30px 20px;
            }

            .cta-card h2 {
                font-size: 23px;
            }

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

            .site-footer {
                padding: 46px 0 20px;
            }

            .footer-bottom {
                text-align: center;
                padding-top: 18px;
            }

            .footer-column {
                margin-top: 10px;
            }
        }

        @media (max-width: 520px) {
            .pb-bottom-tab .pb-tab-item span {
                font-size: 10px;
            }

            .pb-tab-item svg {
                width: 19px;
                height: 19px;
            }

            .header-btn {
                padding: 6px 10px;
                font-size: 13px;
            }

            .brand-name {
                font-size: 17px;
            }

            .modal-body {
                padding: 20px 18px;
            }

            .modal-header {
                padding: 16px 18px;
            }
        }