/* roulang page: index */
:root{
      --ink:#101a2b;
      --navy:#142c4c;
      --navy-2:#0d2039;
      --cyan:#24c4b8;
      --cyan-dark:#15998f;
      --orange:#ff8c42;
      --mist:#f4f8fb;
      --paper:#ffffff;
      --muted:#6d7c8f;
      --line:#dfe8ef;
      --soft-shadow:0 18px 50px rgba(20,44,76,.11);
      --small-shadow:0 8px 24px rgba(20,44,76,.08);
      --radius:22px;
      --radius-sm:14px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--orange);border-radius:4px}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.24;letter-spacing:-.04em;margin-bottom:14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:16px;max-width:680px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 21px;border-radius:999px;font-weight:800;transition:.25s ease;white-space:nowrap}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,196,184,.35);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(255,140,66,.24)}
    .btn-primary:hover{background:#ef7830;box-shadow:0 14px 28px rgba(255,140,66,.3)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2)}
    .btn-light{background:#fff;color:var(--navy);border:1px solid rgba(20,44,76,.12)}
    .btn-light:hover{border-color:var(--cyan);color:var(--cyan-dark)}
    .tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#e7faf7;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,239,.75)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;color:var(--navy);letter-spacing:-.04em;flex-shrink:0}
    .brand-mark{width:35px;height:35px;border-radius:12px;background:var(--navy);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:inset 0 0 0 5px rgba(36,196,184,.22)}
    .nav-pills{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1}
    .nav-pills::-webkit-scrollbar{display:none}
    .nav-link{padding:9px 13px;border-radius:999px;color:#68798b;font-weight:700;font-size:13px;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--navy);background:#edf7f7}
    .nav-cta{margin-left:auto}
    .menu-toggle{display:none;background:#eef6f7;color:var(--navy);width:42px;height:42px;border-radius:12px}
    .mobile-panel{display:none}
    .hero{min-height:650px;display:flex;align-items:center;position:relative;overflow:hidden;background:var(--navy);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(13,32,57,.97) 0%,rgba(13,32,57,.82) 43%,rgba(13,32,57,.3) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(36,196,184,.35);border-radius:50%;right:-100px;top:-100px;box-shadow:0 0 0 36px rgba(36,196,184,.06),0 0 0 72px rgba(36,196,184,.04)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:65px;align-items:center;padding:90px 0}
    .hero h1{font-size:clamp(40px,6vw,72px);line-height:1.08;letter-spacing:-.07em;max-width:720px;margin-bottom:24px}
    .hero h1 em{color:var(--cyan);font-style:normal}
    .hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.78);max-width:650px;margin-bottom:30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
    .hero .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff}
    .hero .btn-light:hover{background:#fff;color:var(--navy)}
    .hero-points{display:flex;gap:25px;flex-wrap:wrap;color:rgba(255,255,255,.74);font-size:13px}
    .hero-points strong{display:block;font-size:25px;color:#fff;line-height:1.2}
    .choice-panel{background:rgba(255,255,255,.97);color:var(--ink);border-radius:28px;padding:24px;box-shadow:0 24px 70px rgba(0,0,0,.25);position:relative}
    .choice-panel .recommend{position:absolute;right:18px;top:18px;background:var(--orange);color:#fff;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:800}
    .choice-panel h3{font-size:24px;color:var(--navy);margin:6px 0 5px}
    .choice-panel>p{font-size:13px;color:var(--muted);margin-bottom:18px}
    .choice-item{border:1px solid var(--line);border-radius:17px;padding:15px;margin-top:10px;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:.25s}
    .choice-item.recommended{border:2px solid var(--cyan);background:#f0fcfa;box-shadow:0 10px 24px rgba(36,196,184,.12)}
    .choice-item:hover{transform:translateX(4px);border-color:var(--cyan)}
    .choice-item b{display:block;color:var(--navy);font-size:15px}
    .choice-item small{color:var(--muted);font-size:12px}
    .choice-item .arrow{width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center}
    .countdown{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}
    .countdown strong{color:var(--orange);font-size:19px;letter-spacing:.05em}
    .news-strip{background:#f9fbfc;border-bottom:1px solid var(--line);padding:14px 0}
    .news-strip-inner{display:flex;align-items:center;gap:20px;overflow:hidden}
    .news-strip-label{font-weight:900;color:var(--orange);white-space:nowrap}
    .news-marquee{display:flex;gap:40px;color:#536477;white-space:nowrap;overflow:hidden}
    .news-marquee span{position:relative}
    .news-marquee span:before{content:"";width:5px;height:5px;background:var(--cyan);border-radius:50%;position:absolute;left:-18px;top:11px}
    .metrics{background:var(--mist)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;position:relative;overflow:hidden}
    .metric:after{content:"";position:absolute;right:-20px;bottom:-25px;width:90px;height:90px;border-radius:50%;background:#eaf8f5}
    .metric b{font-size:36px;line-height:1;color:var(--navy);display:block;margin-bottom:8px}
    .metric b span{font-size:19px;color:var(--cyan-dark)}
    .metric p{font-size:13px;color:var(--muted)}
    .metric i{font-style:normal;color:var(--orange);font-size:12px;font-weight:800}
    .service-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:55px;align-items:start}
    .service-intro{position:sticky;top:110px}
    .service-intro img{width:100%;height:330px;object-fit:cover;border-radius:24px;margin-top:24px;box-shadow:var(--soft-shadow)}
    .service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}
    .service-card{padding:24px;border:1px solid var(--line);border-radius:20px;transition:.25s;background:#fff}
    .service-card:hover{transform:translateY(-5px);box-shadow:var(--small-shadow);border-color:#b8e9e3}
    .icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:#e8faf7;color:var(--cyan-dark);font-weight:900;font-size:19px;margin-bottom:17px}
    .service-card h3{font-size:18px;color:var(--navy);margin-bottom:8px}
    .service-card p{font-size:13px;color:var(--muted)}
    .topic-section{background:var(--navy);color:#fff}
    .topic-section .section-head h2{color:#fff}
    .topic-section .section-head p{color:rgba(255,255,255,.68)}
    .topic-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;grid-template-rows:220px 220px;gap:15px}
    .topic-card{position:relative;overflow:hidden;border-radius:20px;min-height:180px;background:#203c5e}
    .topic-card:first-child{grid-row:span 2}
    .topic-card img{width:100%;height:100%;object-fit:cover;opacity:.7;transition:.4s}
    .topic-card:hover img{transform:scale(1.06);opacity:.85}
    .topic-card:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(8,20,36,.95))}
    .topic-copy{position:absolute;z-index:1;left:22px;right:18px;bottom:18px}
    .topic-copy h3{font-size:21px;margin-bottom:5px}
    .topic-copy p{font-size:12px;color:rgba(255,255,255,.76)}
    .news-section{background:#fff}
    .news-layout{display:grid;grid-template-columns:1.45fr .8fr;gap:32px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:95px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .news-date{color:var(--cyan-dark);font-weight:900;font-size:13px}
    .news-item h3{font-size:17px;color:var(--navy);margin-bottom:5px}
    .news-item p{font-size:13px;color:var(--muted);line-height:1.65}
    .text-link{color:var(--orange);font-size:13px;font-weight:900;white-space:nowrap}
    .text-link:hover{color:var(--cyan-dark)}
    .featured-news{background:var(--mist);border-radius:24px;padding:22px}
    .featured-news img{height:180px;width:100%;object-fit:cover;border-radius:17px;margin-bottom:19px}
    .featured-news h3{font-size:21px;color:var(--navy);line-height:1.4;margin-bottom:9px}
    .featured-news p{font-size:13px;color:var(--muted);margin-bottom:18px}
    .app-section{background:#eef8f7}
    .app-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
    .app-visual{position:relative;min-height:380px;background:url('/assets/images/backpic/back-2.webp') center/cover;border-radius:28px;overflow:hidden}
    .app-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,32,57,.15),rgba(13,32,57,.82))}
    .app-badge{position:absolute;z-index:1;left:28px;bottom:28px;color:#fff;max-width:300px}
    .app-badge h3{font-size:27px;line-height:1.3;margin-bottom:8px}
    .app-badge p{color:rgba(255,255,255,.75);font-size:13px}
    .app-content h2{font-size:40px;line-height:1.25;color:var(--navy);margin:13px 0}
    .app-content>p{color:var(--muted);font-size:16px;margin-bottom:22px}
    .check-list{display:grid;gap:13px;margin:22px 0 28px}
    .check-list li{list-style:none;display:flex;gap:11px;color:#415368;font-size:14px}
    .check-list li:before{content:"✓";width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--cyan);color:#fff;font-weight:900;flex-shrink:0}
    .download-row{display:flex;gap:12px;flex-wrap:wrap}
    .download-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 16px;display:flex;gap:10px;align-items:center}
    .download-box strong{display:block;color:var(--navy);font-size:13px}
    .download-box small{display:block;color:var(--muted);font-size:11px}
    .comparison{background:#f8fafb}
    .compare-grid{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:16px;align-items:stretch}
    .compare-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px}
    .compare-card.featured{background:var(--navy);color:#fff;transform:translateY(-14px);box-shadow:var(--soft-shadow);border-color:var(--navy)}
    .compare-card h3{font-size:20px;color:var(--navy);margin-bottom:9px}
    .compare-card.featured h3{color:#fff}
    .compare-card p{font-size:13px;color:var(--muted);min-height:50px}
    .compare-card.featured p{color:rgba(255,255,255,.68)}
    .compare-list{border-top:1px solid var(--line);margin-top:20px;padding-top:18px;display:grid;gap:13px}
    .featured .compare-list{border-color:rgba(255,255,255,.17)}
    .compare-list li{list-style:none;font-size:13px;display:flex;gap:9px}
    .compare-list li:before{content:"•";color:var(--cyan);font-size:22px;line-height:13px}
    .compare-card .btn{width:100%;margin-top:25px}
    .timeline-section{background:#fff}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid #cfe9e5;margin-top:50px}
    .timeline-item{position:relative;padding:28px 22px 0 0}
    .timeline-item:before{content:"";position:absolute;top:-9px;left:0;width:16px;height:16px;border-radius:50%;background:var(--cyan);border:4px solid #fff;box-shadow:0 0 0 2px var(--cyan)}
    .timeline-item b{display:block;color:var(--orange);font-size:14px;margin-bottom:10px}
    .timeline-item h3{font-size:17px;color:var(--navy);margin-bottom:7px}
    .timeline-item p{font-size:13px;color:var(--muted);padding-right:15px}
    .trust-section{background:var(--mist)}
    .trust-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
    .trust-copy h2{font-size:38px;line-height:1.25;color:var(--navy);margin:12px 0}
    .trust-copy>p{color:var(--muted);font-size:15px;margin-bottom:22px}
    .trust-numbers{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
    .trust-number{background:#fff;border-radius:17px;padding:20px;border:1px solid var(--line)}
    .trust-number strong{font-size:29px;color:var(--navy);display:block}
    .trust-number span{color:var(--muted);font-size:12px}
    .quote-wall{display:grid;gap:14px}
    .quote{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 8px 20px rgba(20,44,76,.04)}
    .quote p{font-size:14px;color:#40536a;margin-bottom:10px}
    .quote footer{color:var(--cyan-dark);font-size:12px;font-weight:800}
    .faq-section{background:#fff}
    .faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:70px}
    .faq-side{background:var(--navy);color:#fff;border-radius:25px;padding:30px;align-self:start}
    .faq-side h3{font-size:25px;line-height:1.35;margin-bottom:12px}
    .faq-side p{color:rgba(255,255,255,.7);font-size:13px;margin-bottom:22px}
    .faq-side img{height:160px;width:100%;object-fit:cover;border-radius:16px;opacity:.8}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:19px 0}
    summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;color:var(--navy);font-weight:800;font-size:16px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";font-size:24px;color:var(--cyan-dark);font-weight:400;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;padding:13px 35px 0 0}
    .form-section{background:var(--navy);color:#fff}
    .form-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
    .form-section h2{font-size:40px;line-height:1.25;margin:12px 0 16px}
    .form-section .intro{color:rgba(255,255,255,.7);font-size:15px}
    .form-note{display:flex;gap:12px;margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.62);font-size:13px}
    .form-card{background:#fff;border-radius:24px;padding:28px;color:var(--ink)}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{margin-bottom:15px}
    .field label{font-size:13px;font-weight:800;color:var(--navy);display:block;margin-bottom:6px}
    .field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;color:var(--ink);background:#fbfdfe;transition:.2s}
    .field textarea{min-height:105px;resize:vertical}
    .field input:focus,.field textarea:focus{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(36,196,184,.1);outline:none}
    .form-card .btn{width:100%}
    .form-status{font-size:13px;color:var(--cyan-dark);margin-top:12px;display:none}
    .about-section{background:#fff}
    .about-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}
    .about-layout img{width:100%;height:390px;object-fit:cover;border-radius:27px;box-shadow:var(--soft-shadow)}
    .about-copy h2{font-size:40px;line-height:1.25;color:var(--navy);margin:12px 0 18px}
    .about-copy p{color:#5c6d7f;font-size:15px;margin-bottom:16px}
    .about-highlights{display:flex;gap:28px;border-top:1px solid var(--line);padding-top:20px;margin-top:24px}
    .about-highlights strong{display:block;font-size:22px;color:var(--navy)}
    .about-highlights span{font-size:12px;color:var(--muted)}
    .cta-section{padding:45px 0}
    .cta-box{border-radius:25px;padding:36px 42px;background:linear-gradient(110deg,#e5faf6,#fff5ed);display:flex;justify-content:space-between;align-items:center;gap:25px;border:1px solid #d8eee9}
    .cta-box h2{color:var(--navy);font-size:28px;margin-bottom:6px}
    .cta-box p{color:var(--muted);font-size:14px}
    .site-footer{background:var(--navy-2);color:#fff;padding:62px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:40px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-brand p{color:rgba(255,255,255,.55);font-size:13px;max-width:300px;margin-top:15px}
    .footer-col h3{font-size:14px;margin-bottom:15px}
    .footer-col a{display:block;color:rgba(255,255,255,.58);font-size:13px;margin:8px 0;transition:.2s}
    .footer-col a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;padding-top:22px;color:rgba(255,255,255,.45);font-size:12px}
    .footer-bottom a{color:rgba(255,255,255,.72);margin-left:15px}
    .footer-bottom a:hover{color:var(--cyan)}
    .float-bar{position:fixed;right:22px;bottom:22px;z-index:30;background:#fff;border:1px solid var(--line);box-shadow:var(--soft-shadow);border-radius:999px;padding:9px 13px 9px 10px;display:flex;align-items:center;gap:9px;font-size:12px;font-weight:800;color:var(--navy)}
    .float-dot{width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:var(--orange);color:#fff}
    @media(max-width:1024px){
      .hero-inner{grid-template-columns:1fr 360px;gap:30px}
      .service-layout,.about-layout{gap:30px}
      .topic-grid{grid-template-columns:1fr 1fr}
      .topic-card:first-child{grid-row:span 1;grid-column:span 2}
      .form-layout{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,600px)}
      .section{padding:66px 0}
      .nav-wrap{height:68px}
      .nav-pills,.nav-cta{display:none}
      .menu-toggle{display:grid;place-items:center;margin-left:auto}
      .mobile-panel{padding:12px 15px 18px;border-top:1px solid var(--line);background:#fff}
      .mobile-panel.open{display:grid;gap:5px}
      .mobile-panel a{padding:11px 12px;border-radius:10px;color:var(--navy);font-weight:700}
      .mobile-panel a:hover{background:#eef8f7}
      .hero{min-height:auto}
      .hero-inner{grid-template-columns:1fr;padding:70px 0 76px}
      .hero h1{font-size:46px}
      .choice-panel{max-width:520px}
      .metric-grid{grid-template-columns:1fr 1fr}
      .service-layout,.news-layout,.app-layout,.trust-layout,.faq-grid,.form-layout,.about-layout{grid-template-columns:1fr}
      .service-intro{position:static}
      .service-intro img{height:270px}
      .news-layout{gap:25px}
      .app-visual{min-height:300px;order:2}
      .app-content{order:1}
      .compare-grid{grid-template-columns:1fr}
      .compare-card.featured{transform:none;order:-1}
      .timeline{grid-template-columns:1fr 1fr;row-gap:26px;border-top:0;margin-top:20px}
      .timeline-item{border-top:2px solid #cfe9e5;padding-top:22px}
      .timeline-item:before{top:-9px}
      .about-layout img{height:300px}
      .cta-box{align-items:flex-start;flex-direction:column;padding:28px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:25px}
      .footer-col:last-child{grid-column:2 / 4}
      .footer-bottom{flex-direction:column}
      .footer-bottom a{margin-left:0;margin-right:14px}
    }
    @media(max-width:520px){
      body{font-size:14px}
      .hero h1{font-size:39px}
      .hero-lead{font-size:16px}
      .hero-points{gap:17px}
      .metric-grid,.service-grid,.topic-grid,.form-row,.timeline{grid-template-columns:1fr}
      .topic-card:first-child{grid-column:auto}
      .topic-grid{grid-template-rows:auto}
      .topic-card{min-height:220px}
      .news-item{grid-template-columns:1fr;gap:5px}
      .news-item .text-link{justify-self:start;margin-top:7px}
      .app-content h2,.about-copy h2,.form-section h2,.trust-copy h2{font-size:32px}
      .download-row{display:grid}
      .download-box{width:100%}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1 / 3}
      .footer-col:last-child{grid-column:auto}
      .float-bar{right:12px;bottom:12px}
    }

/* roulang page: category3 */
:root{
      --ink:#101a2b;
      --navy:#142c4c;
      --navy-2:#0d2039;
      --cyan:#24c4b8;
      --cyan-dark:#15998f;
      --orange:#ff8c42;
      --mist:#f4f8fb;
      --paper:#ffffff;
      --muted:#6d7c8f;
      --line:#dfe8ef;
      --soft-shadow:0 18px 50px rgba(20,44,76,.11);
      --small-shadow:0 8px 24px rgba(20,44,76,.08);
      --radius:22px;
      --radius-sm:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:86px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:12px;font-weight:800;letter-spacing:.14em;margin-bottom:14px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--orange);border-radius:4px}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.24;letter-spacing:-.04em;margin:0 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:16px;max-width:680px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 21px;border-radius:999px;font-weight:800;transition:.25s ease;white-space:nowrap}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(36,196,184,.35);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(255,140,66,.24)}
    .btn-primary:hover{background:#ef7830;box-shadow:0 14px 28px rgba(255,140,66,.3)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2)}
    .btn-light{background:#fff;color:var(--navy);border:1px solid rgba(20,44,76,.12)}
    .btn-light:hover{border-color:var(--cyan);color:var(--cyan-dark)}
    .tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#e7faf7;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,239,.75)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;color:var(--navy);letter-spacing:-.04em;flex-shrink:0}
    .brand-mark{width:35px;height:35px;border-radius:12px;background:var(--navy);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:inset 0 0 0 5px rgba(36,196,184,.22)}
    .nav-pills{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1}
    .nav-pills::-webkit-scrollbar{display:none}
    .nav-link{padding:9px 13px;border-radius:999px;color:#68798b;font-weight:700;font-size:13px;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--navy);background:#edf7f7}
    .nav-cta{margin-left:auto}
    .menu-toggle{display:none;background:#eef6f7;color:var(--navy);width:42px;height:42px;border-radius:12px}
    .mobile-panel{display:none}
    .hero{position:relative;overflow:hidden;background:var(--navy);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(13,32,57,.98),rgba(13,32,57,.75) 52%,rgba(13,32,57,.35)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(36,196,184,.35);border-radius:50%;right:-110px;top:-150px;box-shadow:0 0 0 36px rgba(36,196,184,.06),0 0 0 72px rgba(36,196,184,.04)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:72px;align-items:center;padding:92px 0 82px}
    .profile-row{display:flex;align-items:center;gap:15px;margin-bottom:24px}
    .profile-avatar{width:58px;height:58px;border-radius:19px;background:var(--cyan);display:grid;place-items:center;color:var(--navy);font-weight:950;font-size:28px;box-shadow:0 0 0 7px rgba(36,196,184,.14)}
    .profile-row small{display:block;color:rgba(255,255,255,.62);font-size:12px}
    .profile-row strong{font-size:20px;display:block}
    .hero h1{font-size:clamp(40px,6vw,68px);line-height:1.08;letter-spacing:-.07em;max-width:700px;margin:0 0 22px}
    .hero h1 em{color:var(--cyan);font-style:normal}
    .hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.78);max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
    .hero .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff}
    .hero .btn-light:hover{background:#fff;color:var(--navy)}
    .hero-points{display:flex;gap:27px;flex-wrap:wrap;color:rgba(255,255,255,.7);font-size:13px}
    .hero-points strong{display:block;font-size:25px;color:#fff;line-height:1.2}
    .score-board{background:#fff;color:var(--ink);border-radius:26px;padding:23px;box-shadow:0 22px 60px rgba(0,0,0,.2);transform:rotate(1deg)}
    .score-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .score-top b{color:var(--navy);font-size:17px}
    .live-dot{color:#ef6b35;font-size:12px;font-weight:800}
    .live-dot:before{content:"";display:inline-block;width:8px;height:8px;background:#ef6b35;border-radius:50%;margin-right:6px}
    .match-main{background:#f3f8fa;border-radius:18px;padding:19px;text-align:center}
    .match-main small{color:var(--muted)}
    .teams{display:flex;justify-content:space-around;align-items:center;margin:16px 0}
    .team{text-align:center;font-weight:800;color:var(--navy)}
    .team-icon{width:38px;height:38px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center;margin:0 auto 7px;font-size:12px}
    .score-number{font-size:32px;font-weight:950;color:var(--navy)}
    .score-status{display:inline-flex;background:#e7faf7;color:var(--cyan-dark);padding:4px 10px;border-radius:999px;font-size:12px;font-weight:800}
    .score-list{margin-top:14px;display:grid;gap:9px}
    .score-line{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted);padding-bottom:9px;border-bottom:1px solid var(--line)}
    .score-line:last-child{border-bottom:0;padding-bottom:0}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{padding:23px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--small-shadow)}
    .metric strong{display:block;font-size:32px;line-height:1.2;color:var(--navy);letter-spacing:-.05em}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:7px}
    .matrix{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:18px}
    .matrix-card{padding:25px;border-radius:22px;border:1px solid var(--line);background:#fff;min-height:220px;transition:.25s}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--soft-shadow);border-color:#b8e9e3}
    .matrix-card.featured{background:var(--navy);color:#fff;border-color:var(--navy)}
    .matrix-icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:#e7faf7;color:var(--cyan-dark);font-weight:900;margin-bottom:19px}
    .featured .matrix-icon{background:rgba(36,196,184,.18);color:var(--cyan)}
    .matrix-card h3{margin:0 0 9px;color:var(--navy);font-size:19px}
    .featured h3{color:#fff}
    .matrix-card p{margin:0;color:var(--muted);font-size:14px}
    .featured p{color:rgba(255,255,255,.68)}
    .split-section{background:var(--mist)}
    .split{display:grid;grid-template-columns:.95fr 1.05fr;gap:55px;align-items:center}
    .split img{width:100%;height:360px;object-fit:cover;border-radius:25px;box-shadow:var(--soft-shadow)}
    .number-list{display:grid;gap:18px}
    .number-item{display:grid;grid-template-columns:43px 1fr;gap:14px;align-items:start}
    .number-item b{width:43px;height:43px;border-radius:14px;background:var(--navy);color:#fff;display:grid;place-items:center}
    .number-item h3{font-size:17px;color:var(--navy);margin:0 0 3px}
    .number-item p{font-size:13px;color:var(--muted);margin:0}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{border-radius:22px;padding:27px;background:#fff;border:1px solid var(--line)}
    .compare-card.highlight{background:#f0fcfa;border:2px solid var(--cyan)}
    .compare-card h3{margin:0 0 20px;color:var(--navy)}
    .compare-card ul{list-style:none;padding:0;margin:0;display:grid;gap:13px}
    .compare-card li{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:14px}
    .compare-card li:before{content:"✓";color:var(--cyan-dark);font-weight:900}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid #bde9e4}
    .step{position:relative;padding:26px 20px 0 0}
    .step:before{content:"";position:absolute;top:-9px;left:0;width:16px;height:16px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px #fff}
    .step strong{display:block;color:var(--navy);font-size:17px;margin-bottom:7px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .data-panel{background:var(--navy);color:#fff}
    .data-layout{display:grid;grid-template-columns:1fr 1.25fr;gap:35px;align-items:stretch}
    .data-layout .section-head h2{color:#fff}
    .data-layout .section-head p{color:rgba(255,255,255,.68)}
    .data-card{background:#203c5e;border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:24px}
    .bar-row{display:grid;grid-template-columns:80px 1fr 45px;gap:12px;align-items:center;margin:17px 0;font-size:13px}
    .bar{height:9px;background:rgba(255,255,255,.12);border-radius:99px;overflow:hidden}
    .bar i{display:block;height:100%;background:var(--cyan);border-radius:inherit}
    .bar-row em{font-style:normal;color:var(--cyan)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    details{border:1px solid var(--line);border-radius:16px;padding:17px 19px;background:#fff}
    summary{cursor:pointer;color:var(--navy);font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:16px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--cyan-dark);font-size:20px;line-height:1}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .cta{padding:34px;border-radius:26px;background:linear-gradient(115deg,var(--navy),#1e5270);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:clamp(25px,3vw,36px);line-height:1.25;margin:0 0 8px}
    .cta p{margin:0;color:rgba(255,255,255,.7)}
    .site-footer{background:#0d2039;color:#fff;padding:50px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-brand{font-size:23px;font-weight:900;margin-bottom:12px}
    .footer-copy{color:rgba(255,255,255,.62);font-size:13px;max-width:380px}
    .footer-title{font-weight:800;margin-bottom:12px}
    .footer-links{display:grid;gap:8px;color:rgba(255,255,255,.62);font-size:13px}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:rgba(255,255,255,.52);font-size:12px;padding-top:20px}
    .footer-bottom a{color:rgba(255,255,255,.72)}
    @media(max-width:1024px){
      .hero-inner{grid-template-columns:1fr 360px;gap:35px}
      .matrix{grid-template-columns:1fr 1fr}
      .matrix-card.featured{grid-column:span 2}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,620px)}
      .nav-pills,.nav-cta{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .mobile-panel{padding:12px 14px 18px;background:#fff;border-top:1px solid var(--line)}
      .mobile-panel.open{display:grid;gap:5px}
      .mobile-panel a{padding:11px 14px;border-radius:12px;color:var(--muted);font-weight:700}
      .mobile-panel a:hover,.mobile-panel a.active{background:#edf7f7;color:var(--navy)}
      .section{padding:65px 0}
      .hero-inner{grid-template-columns:1fr;padding:70px 0 60px}
      .score-board{max-width:430px;transform:none}
      .metric-grid{grid-template-columns:1fr 1fr}
      .split,.data-layout{grid-template-columns:1fr;gap:28px}
      .split img{height:280px}
      .timeline{grid-template-columns:1fr 1fr;gap:15px;border-top:0}
      .step{border-top:2px solid #bde9e4;padding-top:19px}
      .step:before{top:-8px}
      .faq-grid,.compare{grid-template-columns:1fr}
      .cta{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .hero h1{font-size:42px}
      .hero-lead{font-size:16px}
      .metric-grid,.matrix{grid-template-columns:1fr}
      .matrix-card.featured{grid-column:auto}
      .timeline{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .profile-row{margin-bottom:18px}
    }

/* roulang page: category2 */
:root{
      --ink:#101a2b;--navy:#142c4c;--navy-2:#0d2039;--cyan:#24c4b8;
      --cyan-dark:#15998f;--orange:#ff8c42;--mist:#f4f8fb;--paper:#fff;
      --muted:#6d7c8f;--line:#dfe8ef;--soft-shadow:0 18px 50px rgba(20,44,76,.11);
      --small-shadow:0 8px 24px rgba(20,44,76,.08);--radius:22px;--radius-sm:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:82px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:12px;font-weight:800;letter-spacing:.14em;margin-bottom:14px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--orange);border-radius:4px}
    .section-head{max-width:730px;margin-bottom:36px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.24;letter-spacing:-.04em;margin:0 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:16px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 21px;border-radius:999px;font-weight:800;transition:.25s ease;white-space:nowrap}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,196,184,.35);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(255,140,66,.24)}
    .btn-primary:hover{background:#ef7830}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2)}
    .btn-light{background:#fff;color:var(--navy);border:1px solid rgba(20,44,76,.12)}
    .btn-light:hover{border-color:var(--cyan);color:var(--cyan-dark)}
    .tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#e7faf7;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,239,.75)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;color:var(--navy);letter-spacing:-.04em;flex-shrink:0}
    .brand-mark{width:35px;height:35px;border-radius:12px;background:var(--navy);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:inset 0 0 0 5px rgba(36,196,184,.22)}
    .nav-pills{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1}
    .nav-pills::-webkit-scrollbar{display:none}
    .nav-link{padding:9px 13px;border-radius:999px;color:#68798b;font-weight:700;font-size:13px;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--navy);background:#edf7f7}
    .nav-cta{margin-left:auto}
    .menu-toggle{display:none;background:#eef6f7;color:var(--navy);width:42px;height:42px;border-radius:12px}
    .mobile-panel{display:none}
    .hero{position:relative;overflow:hidden;background:var(--navy);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(13,32,57,.98),rgba(13,32,57,.72)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 410px;gap:68px;align-items:center;padding:86px 0}
    .hero h1{font-size:clamp(40px,6vw,70px);line-height:1.08;letter-spacing:-.07em;margin:0 0 22px;max-width:700px}
    .hero h1 em{color:var(--cyan);font-style:normal}
    .hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.78);max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
    .hero .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff}
    .hero .btn-light:hover{background:#fff;color:var(--navy)}
    .hero-points{display:flex;gap:28px;flex-wrap:wrap;color:rgba(255,255,255,.72);font-size:13px}
    .hero-points strong{display:block;font-size:25px;color:#fff;line-height:1.2}
    .lead-form{background:#fff;color:var(--ink);padding:27px;border-radius:24px;box-shadow:var(--soft-shadow)}
    .lead-form h3{color:var(--navy);font-size:21px;margin:0 0 6px}
    .lead-form p{color:var(--muted);font-size:13px;margin:0 0 18px}
    .field{margin-bottom:13px}
    .field label{display:block;font-size:12px;font-weight:800;color:var(--navy);margin-bottom:5px}
    .field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:var(--ink);background:#fbfdfe}
    .field textarea{height:74px;resize:vertical}
    .form-note{font-size:12px;color:var(--muted);margin-top:11px}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:-38px;position:relative;z-index:3}
    .metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--small-shadow)}
    .metric b{display:block;font-size:28px;color:var(--navy);line-height:1.2}
    .metric span{font-size:13px;color:var(--muted)}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}
    .split img{width:100%;height:360px;object-fit:cover;border-radius:24px;box-shadow:var(--soft-shadow)}
    .copy p{color:var(--muted);margin:0 0 16px}
    .check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
    .check-list li{display:flex;gap:10px;align-items:flex-start;color:var(--navy);font-weight:700}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#e5faf6;color:var(--cyan-dark);font-size:13px}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head h2{color:#fff}.dark-section .section-head p{color:rgba(255,255,255,.68)}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .matrix-card{padding:25px;border:1px solid rgba(255,255,255,.14);border-radius:20px;background:rgba(255,255,255,.06);transition:.25s}
    .matrix-card:hover{background:rgba(36,196,184,.12);transform:translateY(-4px);border-color:rgba(36,196,184,.55)}
    .matrix-card .num{color:var(--orange);font-weight:900;font-size:14px}
    .matrix-card h3{font-size:19px;margin:12px 0 8px}.matrix-card p{color:rgba(255,255,255,.68);font-size:13px;margin:0}
    .result-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .result-main,.result-side{border:1px solid var(--line);border-radius:22px;padding:28px;background:#fff}
    .result-main{background:var(--mist)}
    .result-main h3,.result-side h3{color:var(--navy);font-size:22px;margin:0 0 19px}
    .bar{margin:17px 0}.bar-top{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin-bottom:6px}
    .bar-line{height:10px;background:#e2ebef;border-radius:20px;overflow:hidden}.bar-line i{display:block;height:100%;border-radius:20px;background:var(--cyan)}
    .result-side ul{list-style:none;padding:0;margin:0;display:grid;gap:15px}.result-side li{border-bottom:1px solid var(--line);padding-bottom:13px;color:var(--muted);font-size:13px}.result-side li strong{display:block;color:var(--navy);font-size:15px}
    .feature-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px}
    .feature-card{border:1px solid var(--line);border-radius:20px;padding:24px;background:#fff;transition:.25s}.feature-card:hover{box-shadow:var(--small-shadow);transform:translateY(-4px)}
    .feature-card.large{grid-row:span 2;background:var(--navy);color:#fff}.feature-card img{height:150px;width:100%;object-fit:cover;border-radius:14px;margin:17px 0}.feature-card.large img{height:230px}
    .feature-card h3{color:var(--navy);margin:0 0 8px;font-size:19px}.feature-card.large h3{color:#fff}.feature-card p{color:var(--muted);font-size:13px;margin:0}.feature-card.large p{color:rgba(255,255,255,.68)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.step{position:relative;padding:24px 20px;border-top:3px solid var(--cyan);background:#f8fbfc;border-radius:0 0 18px 18px}.step b{color:var(--orange);font-size:13px}.step h3{color:var(--navy);font-size:17px;margin:10px 0 6px}.step p{font-size:13px;color:var(--muted);margin:0}
    .quote-area{background:var(--mist)}.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.quote{background:#fff;border-radius:20px;padding:26px;border:1px solid var(--line)}.quote p{font-size:16px;color:var(--navy);margin:0 0 14px}.quote small{color:var(--muted)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px 25px}.faq-item{border-bottom:1px solid var(--line);padding:5px 0}.faq-item summary{list-style:none;cursor:pointer;color:var(--navy);font-weight:800;padding:15px 4px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";float:right;color:var(--cyan-dark);font-size:22px}.faq-item[open] summary:after{content:"−"}.faq-item p{font-size:13px;color:var(--muted);padding:0 4px 14px;margin:0}
    .cta{background:linear-gradient(110deg,var(--navy),#1b4966);color:#fff;border-radius:28px;padding:46px 52px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:clamp(26px,4vw,38px);line-height:1.25;margin:0 0 10px}.cta p{color:rgba(255,255,255,.7);margin:0}
    footer{background:var(--navy-2);color:#fff;padding:45px 0 24px}.footer-top{display:flex;justify-content:space-between;gap:35px;align-items:flex-start;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.13)}.footer-brand{font-size:22px;font-weight:900}.footer-brand p{font-size:13px;color:rgba(255,255,255,.58);font-weight:400;max-width:330px;margin:10px 0}.footer-links{display:flex;gap:18px;flex-wrap:wrap;color:rgba(255,255,255,.7);font-size:13px}.footer-links a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:rgba(255,255,255,.5);font-size:12px;padding-top:20px}
    @media(max-width:1024px){.hero-inner{grid-template-columns:1fr 360px;gap:30px}.nav-wrap{gap:12px}.nav-link{padding:8px 9px}.feature-grid{grid-template-columns:1fr 1fr}.feature-card.large{grid-row:auto;grid-column:span 2}.timeline{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-pills,.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}.mobile-panel{padding:8px 15px 16px;background:#fff;border-top:1px solid var(--line)}.mobile-panel a{display:block;padding:11px 15px;border-radius:12px;color:var(--navy);font-weight:700}.mobile-panel a:hover{background:#edf7f7}.hero-inner{grid-template-columns:1fr;padding:68px 0 80px}.hero h1{font-size:46px}.metric-strip{grid-template-columns:repeat(2,1fr);margin-top:-28px}.section{padding:65px 0}.split,.result-grid{grid-template-columns:1fr;gap:28px}.split img{height:280px}.matrix{grid-template-columns:1fr 1fr}.quote-grid,.faq-grid{grid-template-columns:1fr}.cta{display:block;padding:35px 28px}.cta .btn{margin-top:22px}.footer-top{display:block}.footer-links{margin-top:22px}}
    @media(max-width:520px){.hero h1{font-size:39px}.hero-lead{font-size:16px}.metric{padding:16px}.metric b{font-size:23px}.matrix,.feature-grid{grid-template-columns:1fr}.feature-card.large{grid-column:auto}.timeline{grid-template-columns:1fr}.hero-actions .btn{width:100%}.lead-form{padding:21px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}

/* roulang page: category1 */
:root{
      --ink:#101a2b;
      --navy:#142c4c;
      --navy-2:#0d2039;
      --cyan:#24c4b8;
      --cyan-dark:#15998f;
      --orange:#ff8c42;
      --mist:#f4f8fb;
      --paper:#ffffff;
      --muted:#6d7c8f;
      --line:#dfe8ef;
      --soft-shadow:0 18px 50px rgba(20,44,76,.11);
      --small-shadow:0 8px 24px rgba(20,44,76,.08);
      --radius:22px;
      --radius-sm:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:86px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:12px;font-weight:800;letter-spacing:.14em;margin-bottom:14px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--orange);border-radius:4px}
    .section-head{max-width:735px;margin-bottom:36px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.24;letter-spacing:-.04em;margin:0 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:16px;max-width:680px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 21px;border-radius:999px;font-weight:800;transition:.25s ease;white-space:nowrap}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,196,184,.35);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(255,140,66,.24)}
    .btn-primary:hover{background:#ef7830;box-shadow:0 14px 28px rgba(255,140,66,.3)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2)}
    .btn-light{background:#fff;color:var(--navy);border:1px solid rgba(20,44,76,.12)}
    .btn-light:hover{border-color:var(--cyan);color:var(--cyan-dark)}
    .tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#e7faf7;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,239,.75)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;color:var(--navy);letter-spacing:-.04em;flex-shrink:0}
    .brand-mark{width:35px;height:35px;border-radius:12px;background:var(--navy);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:inset 0 0 0 5px rgba(36,196,184,.22)}
    .nav-pills{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1}
    .nav-pills::-webkit-scrollbar{display:none}
    .nav-link{padding:9px 13px;border-radius:999px;color:#68798b;font-weight:700;font-size:13px;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--navy);background:#edf7f7}
    .nav-cta{margin-left:auto}
    .menu-toggle{display:none;background:#eef6f7;color:var(--navy);width:42px;height:42px;border-radius:12px}
    .mobile-panel{display:none}
    .hero{min-height:630px;display:flex;align-items:center;position:relative;overflow:hidden;background:var(--navy);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(13,32,57,.98) 0%,rgba(13,32,57,.86) 43%,rgba(13,32,57,.36) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(36,196,184,.35);border-radius:50%;right:-100px;top:-100px;box-shadow:0 0 0 36px rgba(36,196,184,.06),0 0 0 72px rgba(36,196,184,.04)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:65px;align-items:center;padding:90px 0}
    .hero h1{font-size:clamp(40px,6vw,70px);line-height:1.08;letter-spacing:-.07em;max-width:720px;margin:0 0 24px}
    .hero h1 em{color:var(--cyan);font-style:normal}
    .hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.78);max-width:650px;margin:0 0 30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
    .hero .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff}
    .hero .btn-light:hover{background:#fff;color:var(--navy)}
    .hero-points{display:flex;gap:25px;flex-wrap:wrap;color:rgba(255,255,255,.74);font-size:13px}
    .hero-points strong{display:block;font-size:25px;color:#fff;line-height:1.2}
    .reward-panel{background:rgba(255,255,255,.97);color:var(--ink);border-radius:26px;padding:26px;box-shadow:0 22px 65px rgba(0,0,0,.24);border:1px solid rgba(255,255,255,.45)}
    .reward-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
    .reward-top h3{margin:0;color:var(--navy);font-size:20px}
    .reward-icon{width:44px;height:44px;border-radius:15px;background:#fff1e9;color:var(--orange);display:grid;place-items:center;font-size:22px}
    .reward-box{padding:17px;border-radius:17px;background:#f2fbfa;border:1px solid #ccefeb;margin-bottom:18px}
    .reward-box b{display:block;color:var(--navy);font-size:21px;margin-bottom:3px}
    .reward-box span{color:var(--muted);font-size:12px}
    .progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:7px}
    .progress{height:9px;border-radius:99px;background:#e9eef1;overflow:hidden;margin-bottom:20px}
    .progress i{display:block;width:72%;height:100%;background:linear-gradient(90deg,var(--cyan),#7cddd3);border-radius:inherit}
    .reward-panel .btn{width:100%}
    .panel-note{font-size:12px;color:var(--muted);text-align:center;margin:13px 0 0}
    .metric-strip{background:var(--mist);border-bottom:1px solid var(--line)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
    .metric{background:#fff;padding:24px 22px}
    .metric strong{display:block;color:var(--navy);font-size:29px;letter-spacing:-.04em}
    .metric span{font-size:13px;color:var(--muted)}
    .split-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:64px;align-items:center}
    .image-frame{position:relative}
    .image-frame img{width:100%;height:380px;object-fit:cover;border-radius:25px;box-shadow:var(--soft-shadow)}
    .image-badge{position:absolute;left:20px;bottom:20px;background:#fff;border-radius:16px;padding:14px 17px;box-shadow:var(--small-shadow);font-weight:800;color:var(--navy)}
    .image-badge small{display:block;color:var(--muted);font-weight:500;font-size:11px}
    .entry-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .entry-card{padding:22px;border:1px solid var(--line);border-radius:19px;background:#fff;transition:.25s}
    .entry-card:hover{transform:translateY(-5px);box-shadow:var(--small-shadow);border-color:#b8e9e3}
    .entry-card .num{width:34px;height:34px;border-radius:11px;background:#e7faf7;color:var(--cyan-dark);display:grid;place-items:center;font-weight:900;margin-bottom:14px}
    .entry-card h3{font-size:17px;margin:0 0 7px;color:var(--navy)}
    .entry-card p{font-size:13px;color:var(--muted);margin:0}
    .dark-section{background:var(--navy);color:#fff}
    .dark-section .section-head h2{color:#fff}
    .dark-section .section-head p{color:rgba(255,255,255,.7)}
    .step-layout{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
    .step-card{padding:25px;border:1px solid rgba(255,255,255,.14);border-radius:20px;background:rgba(255,255,255,.06)}
    .step-card h3{margin:12px 0 6px;font-size:19px}
    .step-card p{margin:0;color:rgba(255,255,255,.68);font-size:14px}
    .step-no{color:var(--orange);font-weight:900;font-size:13px;letter-spacing:.1em}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:900px}
    .compare-card{border-radius:22px;padding:28px;border:1px solid var(--line);background:#fff}
    .compare-card.highlight{background:#f0fcfa;border:2px solid var(--cyan);position:relative}
    .compare-card h3{font-size:20px;color:var(--navy);margin:0 0 16px}
    .compare-card ul{padding:0;margin:0;list-style:none}
    .compare-card li{padding:11px 0;border-bottom:1px dashed var(--line);color:var(--muted);font-size:14px}
    .compare-card li:last-child{border:0}
    .compare-card li:before{content:"✓";color:var(--cyan-dark);font-weight:900;margin-right:9px}
    .compare-card:not(.highlight) li:before{content:"—";color:#aab5bf}
    .scenario-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:16px}
    .scenario-card{min-height:245px;border-radius:22px;padding:25px;position:relative;overflow:hidden;background:#f7fafb;border:1px solid var(--line)}
    .scenario-card.large{grid-row:span 2;min-height:506px;color:#fff;background:var(--navy)}
    .scenario-card.large:after{content:"";position:absolute;inset:42% 0 0;background:linear-gradient(transparent,rgba(9,24,42,.96))}
    .scenario-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72}
    .scenario-card.large .scenario-content{position:absolute;z-index:2;bottom:25px;left:25px;right:25px}
    .scenario-card:not(.large) h3{color:var(--navy)}
    .scenario-card h3{font-size:19px;margin:0 0 8px}
    .scenario-card p{font-size:13px;color:var(--muted);margin:0}
    .scenario-card.large p{color:rgba(255,255,255,.72)}
    .feature-band{background:#fff8f3}
    .feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:45px;align-items:center}
    .feature-grid img{width:100%;height:315px;object-fit:cover;border-radius:24px;box-shadow:var(--soft-shadow)}
    .check-list{list-style:none;padding:0;margin:22px 0 0}
    .check-list li{display:flex;gap:12px;margin:15px 0;color:var(--muted)}
    .check-list b{color:var(--navy)}
    .check-mark{flex:0 0 27px;height:27px;border-radius:50%;background:#e7faf7;color:var(--cyan-dark);display:grid;place-items:center;font-weight:900}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
    .faq-intro{padding-top:8px}
    .faq-intro p{color:var(--muted);font-size:15px}
    .faq-list details{border-bottom:1px solid var(--line);padding:18px 0}
    .faq-list summary{cursor:pointer;list-style:none;color:var(--navy);font-weight:800;display:flex;justify-content:space-between;gap:18px}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"+";color:var(--cyan-dark);font-size:22px;line-height:1}
    .faq-list details[open] summary:after{content:"−"}
    .faq-list details p{color:var(--muted);font-size:14px;margin:12px 30px 0 0}
    .cta-section{padding:70px 0}
    .cta-box{background:var(--navy-2);border-radius:26px;padding:44px 50px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;position:relative;overflow:hidden}
    .cta-box:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(36,196,184,.3);border-radius:50%;right:-80px;top:-90px}
    .cta-box h2{font-size:clamp(26px,4vw,40px);line-height:1.25;margin:0 0 10px;position:relative;z-index:1}
    .cta-box p{color:rgba(255,255,255,.7);margin:0;position:relative;z-index:1}
    .entry-form{display:flex;gap:9px;position:relative;z-index:1}
    .entry-form input{border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;border-radius:999px;padding:13px 16px;min-width:205px}
    .entry-form input::placeholder{color:rgba(255,255,255,.55)}
    footer{background:#0a192c;color:rgba(255,255,255,.65);padding:42px 0 28px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{color:#fff;font-size:21px;font-weight:900;margin-bottom:10px}
    .footer-top p{font-size:13px;max-width:420px;margin:0}
    .footer-links{display:flex;gap:16px;align-items:flex-start;flex-wrap:wrap}
    .footer-links a{font-size:13px;color:rgba(255,255,255,.75);transition:.2s}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px}
    .record-line{display:flex;gap:18px;flex-wrap:wrap}
    @media(max-width:1024px){
      .hero-inner{grid-template-columns:1fr 370px;gap:35px}
      .nav-wrap{gap:13px}
      .nav-link{padding:8px 9px}
      .split-grid,.feature-grid{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,680px)}
      .section{padding:65px 0}
      .nav-pills,.nav-cta{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .mobile-panel{padding:10px 15px 18px;background:#fff;border-top:1px solid var(--line)}
      .mobile-panel.open{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}
      .mobile-panel a{padding:11px 13px;border-radius:12px;color:var(--navy);font-weight:700;background:#f3f8f9;font-size:13px}
      .mobile-panel a.active{background:#e7faf7;color:var(--cyan-dark)}
      .hero{min-height:auto}
      .hero-inner{grid-template-columns:1fr;padding:70px 0}
      .hero h1{font-size:clamp(42px,12vw,62px)}
      .reward-panel{max-width:470px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .split-grid,.step-layout,.feature-grid,.faq-grid{grid-template-columns:1fr}
      .image-frame img{height:300px}
      .scenario-grid{grid-template-columns:1fr 1fr}
      .scenario-card.large{grid-column:span 2;grid-row:auto;min-height:350px}
      .cta-box{display:block;padding:35px 28px}
      .entry-form{margin-top:23px}
    }
    @media(max-width:520px){
      .hero-lead{font-size:16px}
      .hero-points{gap:15px}
      .metric strong{font-size:24px}
      .entry-list,.compare,.scenario-grid{grid-template-columns:1fr}
      .scenario-card.large{grid-column:auto;min-height:330px}
      .entry-form{display:block}
      .entry-form input{width:100%;margin-bottom:10px}
      .entry-form .btn{width:100%}
      .footer-top{display:block}
      .footer-links{margin-top:23px}
      .section-head{margin-bottom:27px}
    }

/* roulang page: category5 */
:root{
      --ink:#101a2b;
      --navy:#142c4c;
      --navy-2:#0d2039;
      --cyan:#24c4b8;
      --cyan-dark:#15998f;
      --orange:#ff8c42;
      --mist:#f4f8fb;
      --paper:#ffffff;
      --muted:#6d7c8f;
      --line:#dfe8ef;
      --soft-shadow:0 18px 50px rgba(20,44,76,.11);
      --small-shadow:0 8px 24px rgba(20,44,76,.08);
      --radius:22px;
      --radius-sm:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:86px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--orange);border-radius:4px}
    .section-head{max-width:740px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.24;letter-spacing:-.04em;margin:0 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:16px;max-width:680px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 21px;border-radius:999px;font-weight:800;transition:.25s ease;white-space:nowrap}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,196,184,.35);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(255,140,66,.24)}
    .btn-primary:hover{background:#ef7830;box-shadow:0 14px 28px rgba(255,140,66,.3)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2)}
    .btn-light{background:#fff;color:var(--navy);border:1px solid rgba(20,44,76,.12)}
    .btn-light:hover{border-color:var(--cyan);color:var(--cyan-dark)}
    .tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#e7faf7;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,239,.75)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;color:var(--navy);letter-spacing:-.04em;flex-shrink:0}
    .brand-mark{width:35px;height:35px;border-radius:12px;background:var(--navy);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:inset 0 0 0 5px rgba(36,196,184,.22)}
    .nav-pills{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1}
    .nav-pills::-webkit-scrollbar{display:none}
    .nav-link{padding:9px 13px;border-radius:999px;color:#68798b;font-weight:700;font-size:13px;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--navy);background:#edf7f7}
    .nav-cta{margin-left:auto}
    .menu-toggle{display:none;background:#eef6f7;color:var(--navy);width:42px;height:42px;border-radius:12px}
    .mobile-panel{display:none}
    .hero{position:relative;overflow:hidden;background:var(--navy);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(13,32,57,.98) 0%,rgba(13,32,57,.88) 45%,rgba(13,32,57,.42) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(36,196,184,.35);border-radius:50%;right:-100px;top:-130px;box-shadow:0 0 0 36px rgba(36,196,184,.06),0 0 0 72px rgba(36,196,184,.04)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:58px;align-items:center;padding:82px 0 92px}
    .hero h1{font-size:clamp(39px,5.8vw,68px);line-height:1.1;letter-spacing:-.07em;max-width:680px;margin:0 0 22px}
    .hero h1 em{color:var(--cyan);font-style:normal}
    .hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.79);max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
    .hero .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff}
    .hero .btn-light:hover{background:#fff;color:var(--navy)}
    .hero-points{display:flex;gap:25px;flex-wrap:wrap;color:rgba(255,255,255,.74);font-size:13px}
    .hero-points strong{display:block;font-size:25px;color:#fff;line-height:1.2}
    .brief-card{background:rgba(255,255,255,.97);color:var(--ink);border-radius:24px;padding:18px;box-shadow:0 24px 65px rgba(0,0,0,.2);transform:rotate(1deg)}
    .brief-cover{position:relative;min-height:245px;border-radius:17px;overflow:hidden;background:var(--navy)}
    .brief-cover img{width:100%;height:245px;object-fit:cover;opacity:.7}
    .brief-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(13,32,57,.2),rgba(13,32,57,.88))}
    .cover-copy{position:absolute;z-index:1;left:24px;right:24px;bottom:22px}
    .cover-copy small{color:#9ce8df;letter-spacing:.16em;font-weight:800}
    .cover-copy h3{font-size:25px;line-height:1.3;margin:8px 0 0;color:#fff}
    .brief-body{padding:17px 4px 3px}
    .brief-body h4{margin:0 0 9px;color:var(--navy);font-size:16px}
    .brief-list{padding:0;margin:0;list-style:none;display:grid;gap:7px;color:var(--muted);font-size:13px}
    .brief-list li{display:flex;gap:8px}
    .brief-list li:before{content:"✓";color:var(--orange);font-weight:900}
    .metric-band{background:var(--mist);border-bottom:1px solid var(--line)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{padding:24px 22px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--small-shadow)}
    .metric strong{display:block;font-size:32px;line-height:1;color:var(--navy);letter-spacing:-.05em;margin-bottom:8px}
    .metric span{color:var(--muted);font-size:13px}
    .feature-split{display:grid;grid-template-columns:.86fr 1.14fr;gap:58px;align-items:center}
    .feature-image{position:relative}
    .feature-image img{width:100%;height:420px;object-fit:cover;border-radius:24px;box-shadow:var(--soft-shadow)}
    .image-note{position:absolute;right:-16px;bottom:22px;background:#fff;border-left:4px solid var(--orange);padding:16px 18px;border-radius:14px;box-shadow:var(--small-shadow);max-width:220px}
    .image-note strong{display:block;color:var(--navy);font-size:21px}
    .image-note span{color:var(--muted);font-size:12px}
    .feature-copy h2{font-size:clamp(28px,4vw,42px);line-height:1.25;color:var(--navy);margin:0 0 18px}
    .feature-copy p{color:var(--muted);font-size:16px;margin:0 0 20px}
    .check-list{display:grid;gap:14px;padding:0;margin:26px 0 0;list-style:none}
    .check-list li{display:flex;gap:12px;color:var(--ink)}
    .check-list b{display:block;color:var(--navy);margin-bottom:2px}
    .check-list span{color:var(--muted);font-size:13px}
    .check-icon{flex:0 0 28px;height:28px;border-radius:50%;background:#e7faf7;color:var(--cyan-dark);display:grid;place-items:center;font-weight:900}
    .matrix-section{background:#fbfcfd}
    .matrix{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px}
    .matrix-card{padding:27px;border-radius:20px;border:1px solid var(--line);background:#fff;min-height:226px;transition:.25s}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--small-shadow);border-color:#b8e9e3}
    .matrix-card.featured{background:var(--navy);color:#fff;border-color:var(--navy)}
    .matrix-icon{width:42px;height:42px;border-radius:13px;background:#e7faf7;color:var(--cyan-dark);display:grid;place-items:center;font-weight:900;margin-bottom:21px}
    .featured .matrix-icon{background:rgba(36,196,184,.17);color:#7de5dc}
    .matrix-card h3{font-size:19px;color:var(--navy);margin:0 0 9px}
    .featured h3{color:#fff}
    .matrix-card p{font-size:13px;color:var(--muted);margin:0}
    .featured p{color:rgba(255,255,255,.7)}
    .compare-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:start}
    .compare-intro h2{font-size:36px;line-height:1.25;color:var(--navy);margin:0 0 15px}
    .compare-intro p{color:var(--muted)}
    .compare-board{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--small-shadow)}
    .compare-row{display:grid;grid-template-columns:1.3fr .8fr .8fr;padding:16px 20px;border-bottom:1px solid var(--line);align-items:center;gap:14px}
    .compare-row:last-child{border-bottom:0}
    .compare-row.head{background:var(--navy);color:#fff;font-weight:800}
    .compare-row span{font-size:13px}
    .compare-row:not(.head) span:first-child{color:var(--navy);font-weight:800}
    .compare-row .good{color:var(--cyan-dark);font-weight:800}
    .compare-row .normal{color:var(--muted)}
    .scenario-section{background:var(--navy);color:#fff}
    .scenario-section .section-head h2{color:#fff}
    .scenario-section .section-head p{color:rgba(255,255,255,.7)}
    .scenario-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;grid-template-rows:190px 190px;gap:15px}
    .scenario-card{position:relative;overflow:hidden;border-radius:20px;background:#203c5e;min-height:170px}
    .scenario-card:first-child{grid-row:span 2}
    .scenario-card img{width:100%;height:100%;object-fit:cover;opacity:.58;transition:.4s}
    .scenario-card:hover img{transform:scale(1.06);opacity:.76}
    .scenario-card:after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(8,20,36,.95))}
    .scenario-copy{position:absolute;z-index:1;left:22px;right:18px;bottom:19px}
    .scenario-copy h3{margin:0 0 4px;font-size:20px}
    .scenario-copy p{margin:0;color:rgba(255,255,255,.72);font-size:12px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .process-step{position:relative;padding:29px 24px 10px;border-right:1px solid var(--line)}
    .process-step:last-child{border-right:0}
    .process-step:before{content:"";position:absolute;top:-9px;left:24px;width:17px;height:17px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px #fff,0 0 0 6px var(--orange)}
    .process-num{color:var(--cyan-dark);font-weight:900;font-size:12px;letter-spacing:.12em}
    .process-step h3{font-size:18px;color:var(--navy);margin:9px 0 7px}
    .process-step p{color:var(--muted);font-size:13px;margin:0}
    .insight-layout{display:grid;grid-template-columns:1fr .82fr;gap:20px}
    .insight-main{min-height:310px;padding:34px;border-radius:22px;background:var(--mist);border:1px solid var(--line)}
    .insight-main h3{font-size:26px;line-height:1.35;color:var(--navy);margin:14px 0}
    .insight-main p{max-width:650px;color:var(--muted);margin:0 0 22px}
    .insight-side{display:grid;gap:15px}
    .insight-item{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .insight-item strong{display:block;color:var(--navy);font-size:17px;margin-bottom:6px}
    .insight-item span{color:var(--muted);font-size:13px}
    .faq-section{background:#fbfcfd}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px;align-items:start}
    .faq-side{padding:28px;border-radius:20px;background:var(--navy);color:#fff}
    .faq-side h3{font-size:24px;line-height:1.35;margin:0 0 12px}
    .faq-side p{color:rgba(255,255,255,.7);font-size:13px;margin:0 0 20px}
    .faq-list{display:grid;gap:10px}
    details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px 20px}
    summary{cursor:pointer;color:var(--navy);font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:18px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--cyan-dark);font-size:20px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:13px;margin:12px 0 0}
    .cta{padding:68px 0;background:var(--orange)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{color:#fff;font-size:clamp(28px,4vw,43px);line-height:1.25;margin:0 0 10px}
    .cta p{color:rgba(255,255,255,.82);max-width:650px;margin:0}
    .cta .btn-light{border:0}
    footer{background:var(--navy-2);color:#fff;padding:40px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:35px;align-items:flex-start;padding-bottom:25px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-brand{font-weight:900;font-size:22px;margin-bottom:9px}
    footer p{color:rgba(255,255,255,.62);font-size:13px;margin:0;max-width:420px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;color:rgba(255,255,255,.72);font-size:13px}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:18px;color:rgba(255,255,255,.52);font-size:12px}
    .footer-bottom a:hover{color:#fff}
    @media(max-width:1024px){
      .nav-wrap{gap:14px}.nav-link{padding:8px 9px}
      .hero-inner{grid-template-columns:1fr 370px;gap:32px}
      .compare-wrap{grid-template-columns:1fr 1.4fr;gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .section{padding:62px 0}
      .nav-pills,.nav-cta{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .mobile-panel{display:none;padding:10px 15px 17px;background:#fff;border-top:1px solid var(--line)}
      .mobile-panel.open{display:grid;gap:4px}
      .mobile-panel a{padding:11px 14px;border-radius:10px;color:var(--muted);font-weight:700}
      .mobile-panel a:hover,.mobile-panel a.active{background:#edf7f7;color:var(--navy)}
      .hero-inner{grid-template-columns:1fr;padding:64px 0 70px}
      .brief-card{max-width:470px;transform:none}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .feature-split,.compare-wrap,.faq-grid,.insight-layout{grid-template-columns:1fr;gap:30px}
      .feature-image img{height:330px}
      .matrix{grid-template-columns:repeat(2,1fr)}
      .matrix-card.featured{grid-column:span 2}
      .scenario-grid{grid-template-columns:1fr 1fr;grid-template-rows:230px 170px}
      .scenario-card:first-child{grid-row:span 1;grid-column:span 2}
      .process{grid-template-columns:repeat(2,1fr);border-top:0;gap:18px}
      .process-step{border:1px solid var(--line);border-radius:16px;padding:25px 20px 18px}
      .process-step:before{top:16px;left:auto;right:18px}
      .cta-inner{display:block}.cta .btn{margin-top:24px}
      .footer-top{display:block}.footer-links{margin-top:20px}
    }
    @media(max-width:520px){
      .brand{font-size:19px}.brand-mark{width:32px;height:32px}
      .hero h1{font-size:42px}.hero-lead{font-size:16px}
      .hero-points{gap:17px}.hero-points strong{font-size:21px}
      .metric-grid,.matrix{grid-template-columns:1fr}
      .matrix-card.featured{grid-column:auto}
      .compare-row{grid-template-columns:1.1fr .8fr .8fr;padding:13px 13px;gap:8px}
      .compare-row span{font-size:12px}
      .scenario-grid{display:block}
      .scenario-card,.scenario-card:first-child{height:190px;margin-bottom:14px}
      .process{grid-template-columns:1fr}
      .feature-image img{height:280px}
      .image-note{right:8px}
    }

/* roulang page: category6 */
:root{
      --ink:#101a2b;
      --navy:#142c4c;
      --navy-2:#0d2039;
      --cyan:#24c4b8;
      --cyan-dark:#15998f;
      --orange:#ff8c42;
      --mist:#f4f8fb;
      --paper:#ffffff;
      --muted:#6d7c8f;
      --line:#dfe8ef;
      --soft-shadow:0 18px 50px rgba(20,44,76,.11);
      --small-shadow:0 8px 24px rgba(20,44,76,.08);
      --radius:22px;
      --radius-sm:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:12px;font-weight:800;letter-spacing:.14em;margin-bottom:14px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--orange);border-radius:4px}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.24;letter-spacing:-.04em;margin:0 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:16px;max-width:680px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 21px;border-radius:999px;font-weight:800;transition:.25s ease;white-space:nowrap}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,196,184,.35);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(255,140,66,.24)}
    .btn-primary:hover{background:#ef7830;box-shadow:0 14px 28px rgba(255,140,66,.3)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2)}
    .btn-light{background:#fff;color:var(--navy);border:1px solid rgba(20,44,76,.12)}
    .btn-light:hover{border-color:var(--cyan);color:var(--cyan-dark)}
    .tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#e7faf7;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,239,.75)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;color:var(--navy);letter-spacing:-.04em;flex-shrink:0}
    .brand-mark{width:35px;height:35px;border-radius:12px;background:var(--navy);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:inset 0 0 0 5px rgba(36,196,184,.22)}
    .nav-pills{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1}
    .nav-pills::-webkit-scrollbar{display:none}
    .nav-link{padding:9px 13px;border-radius:999px;color:#68798b;font-weight:700;font-size:13px;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--navy);background:#edf7f7}
    .nav-cta{margin-left:auto}
    .menu-toggle{display:none;background:#eef6f7;color:var(--navy);width:42px;height:42px;border-radius:12px}
    .mobile-panel{display:none}
    .hero{min-height:610px;display:flex;align-items:center;position:relative;overflow:hidden;background:var(--navy);color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(13,32,57,.98) 0%,rgba(13,32,57,.84) 48%,rgba(13,32,57,.28) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(36,196,184,.35);border-radius:50%;right:-120px;top:-120px;box-shadow:0 0 0 34px rgba(36,196,184,.06),0 0 0 70px rgba(36,196,184,.04)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 410px;gap:64px;align-items:center;padding:88px 0}
    .hero h1{font-size:clamp(40px,6vw,70px);line-height:1.08;letter-spacing:-.07em;max-width:720px;margin:0 0 23px}
    .hero h1 em{color:var(--cyan);font-style:normal}
    .hero-lead{font-size:18px;line-height:1.9;color:rgba(255,255,255,.78);max-width:650px;margin:0 0 30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}
    .hero .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff}
    .hero .btn-light:hover{background:#fff;color:var(--navy)}
    .hero-points{display:flex;gap:25px;flex-wrap:wrap;color:rgba(255,255,255,.74);font-size:13px}
    .hero-points strong{display:block;font-size:25px;color:#fff;line-height:1.2}
    .device-panel{background:rgba(255,255,255,.96);color:var(--ink);border-radius:26px;padding:25px;box-shadow:0 24px 70px rgba(0,0,0,.22);transform:rotate(1.5deg)}
    .device-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:16px}
    .device-title{font-weight:900;color:var(--navy);font-size:18px}
    .status-dot{display:inline-flex;align-items:center;gap:6px;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .status-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan)}
    .match-row{display:flex;align-items:center;justify-content:space-between;padding:15px 0;border-bottom:1px solid #edf1f4}
    .match-row:last-child{border-bottom:0}
    .match-name{font-weight:800;color:var(--navy);font-size:14px}
    .match-meta{font-size:11px;color:var(--muted);display:block}
    .match-score{font-size:21px;font-weight:900;color:var(--navy)}
    .metric-strip{background:var(--mist);border-bottom:1px solid var(--line)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{padding:22px 20px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:30px;color:var(--navy);line-height:1.2}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .intro-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:60px;align-items:center}
    .intro-grid img{width:100%;height:385px;object-fit:cover;border-radius:26px;box-shadow:var(--soft-shadow)}
    .intro-copy h2{font-size:clamp(28px,4vw,43px);line-height:1.25;color:var(--navy);margin:0 0 18px;letter-spacing:-.05em}
    .intro-copy p{color:var(--muted);margin:0 0 16px}
    .check-list{display:grid;gap:12px;margin:24px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--navy);font-weight:700}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#e7faf7;color:var(--cyan-dark);font-weight:900}
    .matrix-section{background:#fbfdfe}
    .matrix-layout{display:grid;grid-template-columns:1fr 1.45fr;gap:22px;align-items:stretch}
    .matrix-aside{background:var(--navy);color:#fff;border-radius:24px;padding:31px;position:relative;overflow:hidden}
    .matrix-aside:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(36,196,184,.35);border-radius:50%;right:-70px;bottom:-55px}
    .matrix-aside h3{font-size:27px;line-height:1.3;margin:0 0 15px;position:relative;z-index:1}
    .matrix-aside p{color:rgba(255,255,255,.7);font-size:14px;position:relative;z-index:1}
    .matrix-items{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .matrix-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:23px;transition:.25s}
    .matrix-card:hover{transform:translateY(-4px);box-shadow:var(--small-shadow);border-color:#b8e9e3}
    .matrix-icon{width:38px;height:38px;border-radius:12px;background:#e9faf8;color:var(--cyan-dark);display:grid;place-items:center;font-weight:900;margin-bottom:16px}
    .matrix-card h3{font-size:17px;color:var(--navy);margin:0 0 7px}
    .matrix-card p{font-size:13px;color:var(--muted);margin:0}
    .scenario-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .scenario-card{min-height:250px;position:relative;overflow:hidden;border-radius:22px;background:var(--navy);color:#fff}
    .scenario-card:first-child{grid-row:span 2;min-height:516px}
    .scenario-card img{width:100%;height:100%;object-fit:cover;opacity:.72;transition:.4s}
    .scenario-card:hover img{transform:scale(1.06);opacity:.86}
    .scenario-card:after{content:"";position:absolute;inset:25% 0 0;background:linear-gradient(transparent,rgba(8,20,36,.96))}
    .scenario-content{position:absolute;z-index:1;left:24px;right:24px;bottom:22px}
    .scenario-content h3{font-size:22px;margin:0 0 7px}
    .scenario-content p{color:rgba(255,255,255,.75);font-size:13px;margin:0}
    .flow-section{background:var(--mist)}
    .flow-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:start}
    .flow-note{background:#fff;border:1px solid var(--line);border-radius:22px;padding:27px;box-shadow:var(--small-shadow)}
    .flow-note h3{color:var(--navy);font-size:21px;margin:0 0 10px}
    .flow-note p{color:var(--muted);font-size:14px;margin:0}
    .flow-list{display:grid;gap:0}
    .flow-item{display:grid;grid-template-columns:56px 1fr;gap:18px;position:relative;padding:0 0 29px}
    .flow-item:not(:last-child):after{content:"";position:absolute;left:27px;top:56px;bottom:0;width:1px;background:#b8e9e3}
    .flow-number{width:56px;height:56px;border-radius:18px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;position:relative;z-index:1}
    .flow-item h3{margin:2px 0 5px;color:var(--navy);font-size:18px}
    .flow-item p{margin:0;color:var(--muted);font-size:14px}
    .compare-section{padding-top:80px}
    .compare-box{border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#fff;box-shadow:var(--small-shadow)}
    .compare-head,.compare-row{display:grid;grid-template-columns:1.2fr 1fr 1fr;align-items:center}
    .compare-head{background:var(--navy);color:#fff;font-weight:800}
    .compare-head div,.compare-row div{padding:18px 22px}
    .compare-row{border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
    .compare-row:last-child{border-bottom:0}
    .compare-row div:first-child{color:var(--navy);font-weight:800}
    .compare-row .good{color:var(--cyan-dark);font-weight:800}
    .security-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .security-card{padding:27px;border-radius:21px;border:1px solid var(--line);background:#fff}
    .security-card h3{font-size:19px;color:var(--navy);margin:0 0 9px}
    .security-card p{color:var(--muted);font-size:14px;margin:0}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px}
    .faq-side{background:var(--navy);border-radius:23px;padding:30px;color:#fff;height:max-content}
    .faq-side h2{font-size:29px;line-height:1.3;margin:0 0 13px}
    .faq-side p{color:rgba(255,255,255,.7);font-size:14px;margin:0}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:20px 0}
    summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-weight:800;color:var(--navy);font-size:16px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--cyan-dark);font-size:24px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:12px 35px 0 0}
    .cta-section{padding:78px 0}
    .cta-box{background:linear-gradient(120deg,var(--navy),#1b496f);border-radius:28px;padding:46px 52px;color:#fff;display:grid;grid-template-columns:1fr .9fr;gap:40px;align-items:center;overflow:hidden;position:relative}
    .cta-box:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(36,196,184,.35);border-radius:50%;right:-45px;top:-100px;box-shadow:0 0 0 28px rgba(36,196,184,.05)}
    .cta-box h2{font-size:clamp(27px,4vw,42px);line-height:1.25;margin:0 0 13px;position:relative;z-index:1}
    .cta-box p{color:rgba(255,255,255,.72);margin:0;max-width:580px;position:relative;z-index:1}
    .entry-form{position:relative;z-index:1;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:22px}
    .entry-form label{display:block;font-size:12px;color:rgba(255,255,255,.7);margin-bottom:7px}
    .entry-form input{width:100%;border:0;border-radius:12px;padding:12px 14px;margin-bottom:11px;background:#fff;color:var(--ink)}
    .entry-form .btn{width:100%}
    footer{background:#0b1c31;color:rgba(255,255,255,.7);padding:34px 0 28px}
    .footer-wrap{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}
    .footer-brand{color:#fff;font-size:20px;font-weight:900;margin-bottom:8px}
    .footer-copy{font-size:13px;max-width:580px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}
    .footer-links a{transition:.2s}
    .footer-links a:hover{color:var(--cyan)}
    .record-line{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:18px;font-size:12px;color:rgba(255,255,255,.52);display:flex;gap:20px;flex-wrap:wrap}
    @media(max-width:1024px){
      .nav-wrap{gap:12px}.nav-pills{gap:2px}.nav-link{padding:8px 9px}
      .hero-inner{grid-template-columns:1fr 360px;gap:32px}
      .intro-grid,.flow-layout,.faq-layout{gap:32px}
      .scenario-grid{grid-template-columns:1fr 1fr}.scenario-card:first-child{grid-row:auto;min-height:330px;grid-column:span 2}
      .cta-box{padding:38px 34px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .nav-wrap{height:68px}.nav-pills,.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}
      .mobile-panel{padding:10px 15px 18px;background:#fff;border-top:1px solid var(--line)}
      .mobile-panel.open{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}
      .mobile-panel a{padding:11px 12px;border-radius:11px;color:var(--muted);font-size:13px;font-weight:800;background:#f5f9fb}
      .mobile-panel a:hover{background:#e7faf7;color:var(--navy)}
      .section{padding:65px 0}
      .hero{min-height:auto}.hero-inner{grid-template-columns:1fr;padding:68px 0}
      .device-panel{max-width:430px;transform:none}
      .metric-grid{grid-template-columns:repeat(2,1fr);gap:0}
      .metric{border-bottom:1px solid var(--line);padding:18px 12px}
      .metric:nth-child(2){border-right:0}.metric strong{font-size:26px}
      .intro-grid,.flow-layout,.faq-layout{grid-template-columns:1fr}
      .intro-grid img{height:290px;order:2}
      .matrix-layout{grid-template-columns:1fr}.matrix-items{grid-template-columns:1fr 1fr}
      .scenario-grid{grid-template-columns:1fr 1fr}.scenario-card:first-child{grid-column:span 2}
      .compare-box{overflow-x:auto}.compare-head,.compare-row{min-width:650px}
      .security-grid{grid-template-columns:1fr}
      .cta-box{grid-template-columns:1fr;padding:32px 24px}
      .footer-wrap{display:block}.footer-links{margin-top:20px}
    }
    @media(max-width:520px){
      .hero h1{font-size:42px}.hero-lead{font-size:16px}
      .hero-points{gap:15px}.hero-points strong{font-size:22px}
      .matrix-items,.scenario-grid{grid-template-columns:1fr}.scenario-card:first-child{grid-column:auto;min-height:280px}
      .scenario-card{min-height:220px}
      .section-head{margin-bottom:27px}
      .compare-head div,.compare-row div{padding:15px 16px}
      .record-line{display:block}.record-line span{display:block;margin-bottom:5px}
    }

/* roulang page: category4 */
:root{
      --ink:#101a2b;
      --navy:#142c4c;
      --navy-2:#0d2039;
      --cyan:#24c4b8;
      --cyan-dark:#15998f;
      --orange:#ff8c42;
      --mist:#f4f8fb;
      --paper:#fff;
      --muted:#6d7c8f;
      --line:#dfe8ef;
      --soft-shadow:0 18px 50px rgba(20,44,76,.11);
      --small-shadow:0 8px 24px rgba(20,44,76,.08);
      --radius:22px;
      --radius-sm:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);font-size:12px;font-weight:800;letter-spacing:.14em;margin-bottom:14px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--orange);border-radius:4px}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.24;letter-spacing:-.04em;margin:0 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:16px;max-width:680px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 21px;border-radius:999px;font-weight:800;transition:.25s ease;white-space:nowrap}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,196,184,.35);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(255,140,66,.24)}
    .btn-primary:hover{background:#ef7830;box-shadow:0 14px 28px rgba(255,140,66,.3)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2)}
    .btn-light{background:#fff;color:var(--navy);border:1px solid rgba(20,44,76,.12)}
    .btn-light:hover{border-color:var(--cyan);color:var(--cyan-dark)}
    .tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#e7faf7;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,239,.75)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;color:var(--navy);letter-spacing:-.04em;flex-shrink:0}
    .brand-mark{width:35px;height:35px;border-radius:12px;background:var(--navy);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:inset 0 0 0 5px rgba(36,196,184,.22)}
    .nav-pills{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1}
    .nav-pills::-webkit-scrollbar{display:none}
    .nav-link{padding:9px 13px;border-radius:999px;color:#68798b;font-weight:700;font-size:13px;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--navy);background:#edf7f7}
    .nav-cta{margin-left:auto}
    .menu-toggle{display:none;background:#eef6f7;color:var(--navy);width:42px;height:42px;border-radius:12px}
    .mobile-panel{display:none}
    .page-hero{position:relative;overflow:hidden;background:var(--navy);color:#fff}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(13,32,57,.98),rgba(13,32,57,.78)),url('/assets/images/backpic/back-2.webp') center/cover}
    .page-hero:after{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(36,196,184,.38);border-radius:50%;right:-120px;bottom:-190px;box-shadow:0 0 0 35px rgba(36,196,184,.06),0 0 0 70px rgba(36,196,184,.04)}
    .page-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 390px;gap:60px;align-items:center;min-height:480px;padding:70px 0}
    .page-hero h1{font-size:clamp(39px,6vw,68px);line-height:1.1;letter-spacing:-.07em;margin:0 0 20px}
    .page-hero h1 em{font-style:normal;color:var(--cyan)}
    .page-hero p{max-width:660px;color:rgba(255,255,255,.76);font-size:17px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-panel{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;padding:23px;box-shadow:0 20px 50px rgba(0,0,0,.2)}
    .hero-panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}
    .hero-panel-head strong{color:var(--navy);font-size:16px}
    .live-dot{display:flex;align-items:center;gap:6px;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .live-dot:before{content:"";width:8px;height:8px;background:var(--cyan);border-radius:50%;box-shadow:0 0 0 5px rgba(36,196,184,.14)}
    .schedule-row{display:flex;align-items:center;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
    .date-box{width:48px;text-align:center;background:#edf7f7;border-radius:12px;padding:5px 3px;color:var(--cyan-dark);font-weight:800;line-height:1.2}
    .date-box b{display:block;font-size:18px;color:var(--navy)}
    .schedule-row strong{display:block;color:var(--navy);font-size:14px}
    .schedule-row small{color:var(--muted);font-size:12px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{padding:24px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--small-shadow)}
    .metric b{display:block;color:var(--navy);font-size:30px;line-height:1.2;margin:8px 0}
    .metric span{color:var(--muted);font-size:13px}
    .metric i{font-style:normal;color:var(--orange);font-size:13px;font-weight:800}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .split img{width:100%;height:390px;object-fit:cover;border-radius:26px;box-shadow:var(--soft-shadow)}
    .copy h2{font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:-.04em;color:var(--navy);margin:0 0 16px}
    .copy p{color:var(--muted);margin:0 0 18px}
    .check-list{display:grid;gap:12px;margin:25px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:11px;align-items:flex-start;color:var(--navy);font-weight:700}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:none;width:23px;height:23px;border-radius:50%;background:#e7faf7;color:var(--cyan-dark);font-weight:900}
    .matrix-section{background:var(--mist)}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .matrix-card{background:#fff;border-radius:20px;padding:25px;border:1px solid var(--line);min-height:205px;transition:.25s}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--small-shadow);border-color:#b8e9e3}
    .matrix-card .icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:var(--navy);color:var(--cyan);font-weight:900;font-size:18px;margin-bottom:20px}
    .matrix-card h3{color:var(--navy);font-size:18px;margin:0 0 8px}
    .matrix-card p{color:var(--muted);font-size:13px;margin:0}
    .timeline-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
    .timeline{border-left:2px solid #bce8e3;padding-left:27px;display:grid;gap:28px}
    .step{position:relative}
    .step:before{content:"";position:absolute;left:-38px;top:5px;width:18px;height:18px;background:var(--orange);border:4px solid #fff;border-radius:50%;box-shadow:0 0 0 2px var(--orange)}
    .step h3{color:var(--navy);font-size:18px;margin:0 0 4px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .info-card{background:var(--navy);color:#fff;border-radius:26px;padding:31px;box-shadow:var(--soft-shadow)}
    .info-card h3{font-size:25px;margin:0 0 12px}
    .info-card p{color:rgba(255,255,255,.72);margin:0 0 22px}
    .mini-list{display:grid;gap:12px}
    .mini-list div{display:flex;justify-content:space-between;gap:15px;border-top:1px solid rgba(255,255,255,.16);padding-top:12px;color:rgba(255,255,255,.75);font-size:13px}
    .mini-list b{color:#fff}
    .scenario-section{background:#fff}
    .scenario-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:16px}
    .scenario{position:relative;overflow:hidden;min-height:260px;border-radius:22px;color:#fff;background:var(--navy)}
    .scenario:first-child{min-height:365px;grid-row:span 2}
    .scenario img{width:100%;height:100%;object-fit:cover;opacity:.62;transition:.4s}
    .scenario:hover img{transform:scale(1.06);opacity:.8}
    .scenario:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(8,20,36,.95))}
    .scenario-content{position:absolute;z-index:1;left:23px;right:23px;bottom:20px}
    .scenario-content h3{font-size:20px;margin:0 0 5px}
    .scenario-content p{margin:0;color:rgba(255,255,255,.76);font-size:13px}
    .compare-section{background:var(--navy-2);color:#fff}
    .compare-section .section-head h2{color:#fff}
    .compare-section .section-head p{color:rgba(255,255,255,.7)}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{padding:28px;border-radius:22px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14)}
    .compare-card.good{background:#fff;color:var(--ink);border-color:#fff}
    .compare-card h3{margin:0 0 20px;font-size:20px}
    .compare-card.good h3{color:var(--navy)}
    .compare-line{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-top:1px solid rgba(255,255,255,.14);font-size:13px}
    .compare-card.good .compare-line{border-color:var(--line);color:var(--muted)}
    .compare-line b{color:var(--cyan)}
    .compare-card.good .compare-line b{color:var(--cyan-dark)}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:58px;align-items:start}
    .faq-intro{position:sticky;top:110px}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    details{border:1px solid var(--line);border-radius:16px;background:#fff;padding:0 20px;transition:.2s}
    details[open]{border-color:#a9e2dc;box-shadow:var(--small-shadow)}
    summary{list-style:none;cursor:pointer;padding:18px 0;color:var(--navy);font-weight:800;display:flex;justify-content:space-between;gap:15px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--orange);font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:0 0 18px}
    .cta-section{padding:75px 0}
    .cta-box{position:relative;overflow:hidden;background:var(--cyan);border-radius:28px;padding:45px 52px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:var(--navy)}
    .cta-box:after{content:"NG";position:absolute;right:30px;bottom:-50px;font-size:180px;font-weight:900;color:rgba(255,255,255,.13);line-height:1}
    .cta-box h2{position:relative;z-index:1;font-size:clamp(27px,4vw,42px);line-height:1.2;margin:0 0 10px;letter-spacing:-.04em}
    .cta-box p{position:relative;z-index:1;max-width:650px;margin:0;color:rgba(13,32,57,.72)}
    .cta-box .btn{position:relative;z-index:1}
    footer{background:#0b1a2d;color:rgba(255,255,255,.68);padding:45px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{color:#fff;font-weight:900;font-size:21px;margin-bottom:10px}
    footer p{font-size:13px;max-width:390px;margin:0}
    .footer-title{color:#fff;font-weight:800;margin-bottom:12px}
    .footer-links{display:grid;gap:8px;font-size:13px}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;font-size:12px}
    .copyright a{color:rgba(255,255,255,.8)}
    .copyright a:hover{color:var(--cyan)}
    @media(max-width:1024px){
      .nav-wrap{gap:12px}.nav-link{padding:8px 10px}.nav-cta{display:none}
      .page-hero-inner{grid-template-columns:1fr 340px;gap:30px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .split{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .nav-wrap{height:68px}.nav-pills{display:none}.menu-toggle{display:block;margin-left:auto}
      .mobile-panel{padding:10px 15px 18px;background:#fff;border-top:1px solid var(--line);box-shadow:var(--small-shadow)}
      .mobile-panel.open{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}
      .mobile-panel a{padding:11px 13px;border-radius:12px;color:var(--muted);font-weight:700;font-size:13px}
      .mobile-panel a:hover,.mobile-panel a.active{background:#edf7f7;color:var(--navy)}
      .page-hero-inner{grid-template-columns:1fr;min-height:auto;padding:70px 0}
      .hero-panel{max-width:470px}
      .section{padding:65px 0}
      .split,.timeline-wrap,.faq-grid{grid-template-columns:1fr;gap:30px}
      .split img{height:300px;order:2}.faq-intro{position:static}
      .matrix{grid-template-columns:repeat(2,1fr)}
      .scenario-grid{grid-template-columns:1fr 1fr}
      .scenario:first-child{grid-column:span 2;grid-row:auto;min-height:300px}
      .compare-grid{grid-template-columns:1fr}
      .cta-box{display:block;padding:35px 28px}.cta-box .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .page-hero h1{font-size:42px}
      .metric-grid,.matrix,.scenario-grid{grid-template-columns:1fr}
      .scenario:first-child{grid-column:auto;min-height:280px}
      .scenario{min-height:220px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .copyright{display:block}.copyright span{display:block;margin-bottom:8px}
    }

/* roulang page: category7 */
:root{
      --ink:#101a2b;
      --navy:#142c4c;
      --navy-2:#0d2039;
      --cyan:#24c4b8;
      --cyan-dark:#15998f;
      --orange:#ff8c42;
      --mist:#f4f8fb;
      --paper:#ffffff;
      --muted:#6d7c8f;
      --line:#dfe8ef;
      --soft-shadow:0 18px 50px rgba(20,44,76,.11);
      --small-shadow:0 8px 24px rgba(20,44,76,.08);
      --radius:22px;
      --radius-sm:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
      color:var(--ink);
      background:#fff;
      line-height:1.75;
      font-size:15px;
    }
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;color:var(--cyan-dark);
      font-size:12px;font-weight:800;letter-spacing:.14em;margin-bottom:14px
    }
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--orange);border-radius:4px}
    .section-head{max-width:730px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.24;letter-spacing:-.04em;margin:0 0 14px;color:var(--navy)}
    .section-head p{color:var(--muted);font-size:16px;max-width:680px;margin:0}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      padding:13px 21px;border-radius:999px;font-weight:800;transition:.25s ease;white-space:nowrap
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(36,196,184,.35);outline-offset:3px
    }
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(255,140,66,.24)}
    .btn-primary:hover{background:#ef7830;box-shadow:0 14px 28px rgba(255,140,66,.3)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--navy-2)}
    .btn-light{background:#fff;color:var(--navy);border:1px solid rgba(20,44,76,.12)}
    .btn-light:hover{border-color:var(--cyan);color:var(--cyan-dark)}
    .tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#e7faf7;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .site-header{
      position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
      backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,232,239,.75)
    }
    .nav-wrap{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;color:var(--navy);letter-spacing:-.04em;flex-shrink:0}
    .brand-mark{width:35px;height:35px;border-radius:12px;background:var(--navy);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:inset 0 0 0 5px rgba(36,196,184,.22)}
    .nav-pills{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1}
    .nav-pills::-webkit-scrollbar{display:none}
    .nav-link{padding:9px 13px;border-radius:999px;color:#68798b;font-weight:700;font-size:13px;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--navy);background:#edf7f7}
    .nav-cta{margin-left:auto}
    .menu-toggle{display:none;background:#eef6f7;color:var(--navy);width:42px;height:42px;border-radius:12px}
    .mobile-panel{display:none}
    .inner-hero{
      position:relative;overflow:hidden;background:var(--navy);color:#fff;
      padding:72px 0 76px
    }
    .inner-hero:before{
      content:"";position:absolute;inset:0;
      background:linear-gradient(100deg,rgba(13,32,57,.98),rgba(13,32,57,.78)),url('/assets/images/backpic/back-2.webp') center/cover
    }
    .inner-hero:after{
      content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(36,196,184,.3);
      border-radius:50%;right:-160px;top:-180px;box-shadow:0 0 0 34px rgba(36,196,184,.06),0 0 0 70px rgba(36,196,184,.04)
    }
    .inner-hero .container{position:relative;z-index:1}
    .crumbs{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:28px}
    .crumbs a:hover{color:#fff}
    .inner-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:60px;align-items:center}
    .inner-hero h1{font-size:clamp(38px,5.5vw,68px);line-height:1.1;letter-spacing:-.07em;margin:0 0 20px}
    .inner-hero h1 em{color:var(--cyan);font-style:normal}
    .hero-copy{font-size:18px;color:rgba(255,255,255,.76);max-width:670px;margin:0 0 27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-light,.inner-hero .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff}
    .inner-hero .btn-light:hover{background:#fff;color:var(--navy)}
    .status-panel{background:rgba(255,255,255,.96);color:var(--ink);padding:22px;border-radius:24px;box-shadow:var(--soft-shadow)}
    .status-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}
    .status-top strong{font-size:17px;color:var(--navy)}
    .live-dot{display:inline-flex;align-items:center;gap:7px;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .live-dot:before{content:"";width:8px;height:8px;background:var(--cyan);border-radius:50%;box-shadow:0 0 0 5px rgba(36,196,184,.15)}
    .status-row{display:flex;align-items:center;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
    .status-icon{width:35px;height:35px;border-radius:11px;background:#e7faf7;color:var(--cyan-dark);display:grid;place-items:center;font-weight:900}
    .status-row b{display:block;color:var(--navy);font-size:14px}
    .status-row small{color:var(--muted);font-size:12px}
    .status-ok{margin-left:auto;color:var(--cyan-dark);font-size:12px;font-weight:800}
    .metric-strip{background:var(--mist);border-bottom:1px solid var(--line)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .metric{padding:27px 25px;border-right:1px solid var(--line)}
    .metric:first-child{padding-left:0}
    .metric:last-child{border-right:0}
    .metric strong{display:block;color:var(--navy);font-size:30px;line-height:1.2;letter-spacing:-.05em}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .security-intro{display:grid;grid-template-columns:.9fr 1.1fr;gap:68px;align-items:center}
    .security-intro img{width:100%;height:365px;object-fit:cover;border-radius:24px;box-shadow:var(--soft-shadow)}
    .copy-large{font-size:17px;color:#4d5e71;line-height:1.95;margin:0 0 20px}
    .check-list{padding:0;margin:24px 0 0;list-style:none;display:grid;gap:13px}
    .check-list li{display:flex;gap:11px;align-items:flex-start;color:var(--navy);font-weight:700}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#e7faf7;color:var(--cyan-dark);font-size:13px;margin-top:3px}
    .matrix-section{background:#f8fbfc}
    .matrix-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .matrix-main{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--small-shadow)}
    .matrix-main h3,.side-card h3{color:var(--navy);font-size:20px;margin:0 0 18px}
    .matrix-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .matrix-item{border:1px solid var(--line);padding:18px;border-radius:16px;transition:.25s}
    .matrix-item:hover{border-color:var(--cyan);transform:translateY(-3px)}
    .matrix-item b{display:block;color:var(--navy);margin-bottom:5px}
    .matrix-item span{display:block;color:var(--muted);font-size:13px}
    .side-stack{display:grid;gap:18px}
    .side-card{background:var(--navy);color:#fff;border-radius:24px;padding:27px}
    .side-card h3{color:#fff}
    .side-card p{color:rgba(255,255,255,.7);margin:0}
    .side-card.light{background:#fff;border:1px solid var(--line);color:var(--ink)}
    .side-card.light h3{color:var(--navy)}
    .side-card.light p{color:var(--muted)}
    .scenario-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:stretch}
    .scenario-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .scenario{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:.25s}
    .scenario:hover{box-shadow:var(--small-shadow);border-color:#b8e9e3}
    .scenario .num{color:var(--orange);font-weight:900;font-size:13px}
    .scenario h3{font-size:17px;color:var(--navy);margin:8px 0 7px}
    .scenario p{color:var(--muted);font-size:13px;margin:0}
    .notice-box{border-radius:24px;background:linear-gradient(145deg,#edfafa,#f8fbfc);border:1px solid #cceeea;padding:29px;display:flex;flex-direction:column;justify-content:center}
    .notice-box h3{color:var(--navy);font-size:23px;margin:0 0 11px}
    .notice-box p{color:var(--muted);margin:0 0 20px}
    .process-section{background:var(--navy);color:#fff}
    .process-section .section-head h2{color:#fff}
    .process-section .section-head p{color:rgba(255,255,255,.68)}
    .process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .process-line:before{content:"";position:absolute;left:9%;right:9%;top:25px;height:1px;background:rgba(36,196,184,.45)}
    .process-step{position:relative;z-index:1;padding-right:23px}
    .process-step:last-child{padding-right:0}
    .process-num{width:50px;height:50px;border-radius:16px;background:var(--cyan);color:var(--navy);font-size:19px;font-weight:900;display:grid;place-items:center;margin-bottom:17px;box-shadow:0 0 0 8px rgba(36,196,184,.1)}
    .process-step h3{font-size:17px;margin:0 0 8px}
    .process-step p{font-size:13px;color:rgba(255,255,255,.65);margin:0;max-width:220px}
    .compare-section{background:var(--mist)}
    .compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:900px}
    .compare-card{border-radius:22px;padding:27px;border:1px solid var(--line);background:#fff}
    .compare-card.good{border:2px solid var(--cyan);box-shadow:var(--small-shadow)}
    .compare-card h3{color:var(--navy);font-size:20px;margin:0 0 20px}
    .compare-card.good h3{color:var(--cyan-dark)}
    .compare-card ul{list-style:none;padding:0;margin:0;display:grid;gap:13px}
    .compare-card li{display:flex;gap:10px;color:#536477;font-size:14px}
    .compare-card li:before{font-weight:900}
    .compare-card.bad li:before{content:"—";color:#aebac5}
    .compare-card.good li:before{content:"✓";color:var(--cyan-dark)}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px}
    .faq-intro p{color:var(--muted);font-size:16px}
    .faq-box{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:19px 0}
    summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;color:var(--navy);font-weight:800;font-size:16px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--cyan-dark);font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:12px 30px 0 0}
    .cta-section{padding:30px 0 88px}
    .cta-box{background:var(--navy);border-radius:28px;padding:45px 52px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:#fff;position:relative;overflow:hidden}
    .cta-box:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(36,196,184,.3);border-radius:50%;right:-60px;top:-90px}
    .cta-box > div{position:relative;z-index:1}
    .cta-box h2{font-size:clamp(25px,3vw,36px);line-height:1.25;margin:0 0 9px}
    .cta-box p{color:rgba(255,255,255,.7);margin:0;max-width:620px}
    .cta-box .btn{position:relative;z-index:1}
    footer{background:#0d2039;color:#fff;padding:42px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:35px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{font-size:20px;font-weight:900}
    .footer-brand p{font-size:13px;font-weight:400;color:rgba(255,255,255,.58);max-width:320px;margin:10px 0 0}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px 22px;align-content:flex-start}
    .footer-links a{color:rgba(255,255,255,.68);font-size:13px}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px;color:rgba(255,255,255,.48);font-size:12px}
    @media(max-width:1024px){
      .nav-wrap{gap:12px}.nav-pills{gap:2px}.nav-link{padding:8px 9px}
      .inner-hero-grid,.security-intro,.matrix-layout,.scenario-layout,.faq-layout{gap:34px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .nav-pills,.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}
      .mobile-panel{padding:10px 15px 18px;background:#fff;border-top:1px solid var(--line)}
      .mobile-panel.open{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}
      .mobile-panel a{padding:10px 12px;border-radius:10px;color:var(--navy);font-weight:700;font-size:13px}
      .mobile-panel a:hover{background:#edf7f7}
      .section{padding:65px 0}
      .inner-hero{padding:53px 0 58px}
      .inner-hero-grid,.security-intro,.matrix-layout,.scenario-layout,.faq-layout{grid-template-columns:1fr}
      .status-panel{max-width:530px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric{border-bottom:1px solid var(--line);padding:21px 15px}
      .metric:first-child{padding-left:15px}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(3){padding-left:15px}
      .process-line{grid-template-columns:repeat(2,1fr);gap:30px 18px}
      .process-line:before{display:none}
      .process-step{padding:0}
      .compare-wrap{grid-template-columns:1fr}
      .cta-box{padding:32px 25px;display:block}
      .cta-box .btn{margin-top:22px}
      .footer-top{display:block}.footer-links{margin-top:24px}
    }
    @media(max-width:520px){
      body{font-size:14px}
      .inner-hero h1{font-size:41px}
      .hero-copy{font-size:16px}
      .matrix-list,.scenario-list{grid-template-columns:1fr}
      .metric strong{font-size:25px}
      .security-intro img{height:255px}
      .process-line{grid-template-columns:1fr}
      .process-step p{max-width:none}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }