/* roulang page: index */
:root{
      --ink:#17131f;--muted:#756d7d;--paper:#fffaf7;--surface:#ffffff;--dark:#17121f;
      --plum:#713c72;--rose:#c75c78;--gold:#e8ad67;--line:#eadfe0;--soft:#f7ecec;
      --radius:22px;--shadow:0 18px 50px rgba(46,25,45,.11);--container:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(232,173,103,.75);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 44px));margin:auto}
    .topline{height:4px;background:linear-gradient(90deg,var(--plum),var(--rose),var(--gold))}
    header{position:sticky;top:0;z-index:20;background:rgba(255,250,247,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(234,223,224,.8)}
    .nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:12px 12px 12px 4px;background:var(--plum);position:relative;box-shadow:6px 6px 0 var(--gold)}
    .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;top:12px;left:12px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:9px 13px;border-radius:12px;color:#625967;font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--plum);background:#f2e6ea}
    .nav-action{padding:11px 18px;border-radius:13px;background:var(--dark);color:#fff;font-size:14px;font-weight:700}
    .nav-action:hover{background:var(--plum);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;font-size:25px;color:var(--dark)}
    .hero{min-height:650px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(22,17,30,.91),rgba(47,23,47,.7)),url('/assets/images/backpic/back-1.webp') center/cover;position:relative;color:#fff;overflow:hidden}
    .hero:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:7%;top:18%;box-shadow:0 0 0 34px rgba(255,255,255,.035),0 0 0 70px rgba(255,255,255,.025)}
    .hero-content{max-width:700px;position:relative;z-index:1;padding:90px 0}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;border-radius:30px;font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow{padding:8px 13px;background:rgba(255,255,255,.12);color:#f8d6b3;border:1px solid rgba(255,255,255,.2)}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold)}
    h1{font-size:clamp(42px,6vw,76px);line-height:1.1;letter-spacing:-.055em;margin:25px 0 22px;max-width:720px}
    .hero p{font-size:18px;color:#e9dde6;max-width:650px}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:14px;font-weight:800;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--gold);color:#291a27}
    .btn-primary:hover{background:#f2c582;transform:translateY(-3px);box-shadow:0 12px 25px rgba(232,173,103,.25)}
    .btn-light{border:1px solid rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.08)}
    .btn-light:hover{background:#fff;color:var(--dark)}
    .section{padding:105px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
    .section-kicker{color:var(--rose);font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}
    h2{font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.04em;margin-top:9px}
    .section-head p{max-width:460px;color:var(--muted)}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:29px;box-shadow:0 5px 20px rgba(50,25,40,.035);transition:.3s}
    .feature-card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:#d6b8bd}
    .icon{width:48px;height:48px;border-radius:15px;background:var(--soft);display:grid;place-items:center;color:var(--plum);font-size:22px;margin-bottom:22px}
    .feature-card h3{font-size:20px;margin-bottom:9px}
    .feature-card p{color:var(--muted);font-size:14px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
    .image-frame{position:relative;padding:14px;background:#fff;border-radius:28px;box-shadow:var(--shadow)}
    .image-frame img{height:420px;border-radius:18px}
    .image-note{position:absolute;left:-18px;bottom:28px;background:var(--dark);color:#fff;border-radius:16px;padding:16px 20px;box-shadow:0 12px 28px rgba(20,12,25,.23)}
    .image-note strong{display:block;color:var(--gold);font-size:20px}
    .copy p{color:var(--muted);margin:18px 0}
    .check-list{list-style:none;margin-top:24px;display:grid;gap:13px}
    .check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:#ead5dd;color:var(--plum);font-weight:900}
    .soft-section{background:#f6edee}
    .topic-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .topic-card{overflow:hidden;border-radius:18px;background:#fff;border:1px solid var(--line);transition:.3s}
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .topic-card img{height:145px}
    .topic-card div{padding:17px}
    .topic-card h3{font-size:16px;line-height:1.4}
    .topic-card p{font-size:12px;color:var(--muted);margin-top:6px}
    .updates{background:var(--dark);color:#fff}
    .updates .section-kicker{color:var(--gold)}
    .updates .section-head p{color:#b9abb9}
    .update-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .update-item{display:flex;align-items:center;gap:18px;padding:20px;border:1px solid rgba(255,255,255,.12);border-radius:17px;background:rgba(255,255,255,.045)}
    .update-item:hover{background:rgba(255,255,255,.1);border-color:rgba(232,173,103,.5)}
    .update-date{color:var(--gold);font-size:12px;white-space:nowrap}
    .update-title{font-weight:700}
    .update-meta{font-size:12px;color:#afa3af;margin-top:4px}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .trust-item{padding:25px;border-left:3px solid var(--rose);background:#fff;border-radius:0 18px 18px 0}
    .trust-item strong{font-size:30px;color:var(--plum);display:block;line-height:1.2}
    .trust-item span{font-size:13px;color:var(--muted)}
    .faq-list{max-width:850px;margin:auto;display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 23px}
    summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}
    summary:after{content:"＋";color:var(--rose);font-size:20px}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;margin:13px 28px 0 0}
    .cta{padding:70px 0;background:linear-gradient(120deg,#6c3a70,#9c526e);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{max-width:650px}
    .cta p{color:#f1dfe7;margin-top:10px}
    footer{background:#120e18;color:#fff;padding:58px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:35px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{max-width:300px}.footer-brand p{color:#a99ca9;font-size:13px;margin-top:15px}
    .footer-links{display:flex;gap:60px}.footer-links h4{font-size:13px;color:var(--gold);margin-bottom:13px}.footer-links a{display:block;color:#c2b8c3;font-size:13px;margin:6px 0}.footer-links a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:15px;color:#817683;font-size:12px;padding-top:22px}
    .empty{grid-column:1/-1;color:#c7bac6;padding:25px;border:1px dashed rgba(255,255,255,.25);border-radius:15px}
    @media(max-width:1024px){.topic-grid{grid-template-columns:repeat(3,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.nav-links{display:none;position:absolute;left:22px;right:22px;top:68px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-action{display:none}.menu-toggle{display:block}.hero{min-height:590px}.section{padding:75px 0}.section-head,.cta-inner,.footer-top{display:block}.section-head p{margin-top:15px}.feature-grid,.split{grid-template-columns:1fr}.split{gap:38px}.image-frame img{height:330px}.update-list{grid-template-columns:1fr}.footer-links{margin-top:30px;gap:35px}}
    @media(max-width:520px){.container{width:min(100% - 30px,var(--container))}h1{font-size:43px}.hero p{font-size:16px}.hero-buttons .btn{width:100%}.topic-grid,.trust-grid{grid-template-columns:1fr 1fr}.topic-card img{height:115px}.topic-card div{padding:13px}.topic-card h3{font-size:14px}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: article */
:root{
      --ink:#18212f;
      --muted:#687386;
      --soft:#f5f7fb;
      --panel:#ffffff;
      --line:#e5e9f1;
      --primary:#7048e8;
      --primary-dark:#5230bd;
      --accent:#ff7a59;
      --teal:#1ca7a0;
      --radius:22px;
      --shadow:0 18px 55px rgba(32,35,66,.10);
      --shadow-sm:0 8px 24px rgba(32,35,66,.07);
      --container:1180px;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fbfcff;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--primary)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(112,72,232,.3);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:82px;background:rgba(255,255,255,.92);border-bottom:1px solid rgba(229,233,241,.8);position:sticky;top:0;z-index:20;backdrop-filter:blur(18px)}
    .nav-wrap{height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;font-size:19px;letter-spacing:-.03em;white-space:nowrap}
    .brand:hover{color:var(--primary)}
    .brand-mark{width:30px;height:30px;border-radius:10px 10px 10px 3px;background:linear-gradient(135deg,var(--primary),#a17bff);display:inline-block;position:relative;box-shadow:0 7px 15px rgba(112,72,232,.25)}
    .brand-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:#fff;left:11px;top:11px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:9px 13px;border-radius:12px;color:#596376;font-size:14px;font-weight:600}
    .nav-links a:hover,.nav-links a.active{background:#f0ecff;color:var(--primary)}
    .menu-toggle{display:none;border:0;background:var(--soft);color:var(--ink);border-radius:10px;padding:8px 11px;cursor:pointer}
    .article-banner{position:relative;overflow:hidden;padding:78px 0 72px;background:#251c45 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff}
    .article-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(28,20,62,.94),rgba(61,35,113,.72),rgba(23,28,60,.72))}
    .banner-inner{position:relative;z-index:1;max-width:850px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#d7ccff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:30px;padding:6px 13px;font-size:13px;font-weight:700}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:#ffad87;display:inline-block}
    .article-banner h1{font-size:clamp(32px,5vw,58px);line-height:1.2;letter-spacing:-.045em;margin:22px 0 18px;max-width:900px}
    .banner-desc{color:#e6e1f5;max-width:760px;font-size:17px;margin:0}
    .crumbs{margin-top:25px;color:#c7bee1;font-size:13px}
    .crumbs a{color:#fff}.crumbs a:hover{color:#ffb39a}
    main{padding:68px 0 90px}
    .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start}
    .article-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
    .article-cover{width:100%;height:260px;object-fit:cover}
    .article-body{padding:38px 46px 48px}
    .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;color:var(--muted);font-size:13px;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:28px}
    .meta-tag{background:#f0ecff;color:var(--primary);font-weight:700;padding:5px 10px;border-radius:8px}
    .cms-content{font-size:16px;color:#354052}
    .cms-content h2{font-size:27px;line-height:1.35;color:var(--ink);margin:34px 0 14px;letter-spacing:-.025em}
    .cms-content h3{font-size:20px;color:var(--ink);margin:26px 0 10px}
    .cms-content p{margin:0 0 18px}
    .cms-content ul,.cms-content ol{padding-left:23px;margin:12px 0 22px}
    .cms-content li{padding:4px 0}
    .cms-content blockquote{margin:25px 0;padding:18px 22px;border-left:4px solid var(--accent);background:#fff5f1;border-radius:0 14px 14px 0;color:#5f4d49}
    .cms-content img{border-radius:16px;margin:24px 0}
    .side-stack{display:grid;gap:18px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow-sm)}
    .side-card h3{font-size:18px;margin:0 0 13px;letter-spacing:-.02em}
    .side-card p{font-size:14px;color:var(--muted);margin:0 0 17px}
    .side-list{list-style:none;padding:0;margin:0}
    .side-list li{border-top:1px solid var(--line);padding:11px 0;color:#556173;font-size:14px}
    .side-list li:first-child{border-top:0;padding-top:0}
    .side-list li:before{content:"✓";color:var(--teal);font-weight:800;margin-right:8px}
    .side-image{border-radius:14px;width:100%;height:150px;object-fit:cover;margin-bottom:16px}
    .notice{padding:17px 18px;border-radius:14px;background:#f5f1ff;color:#5d4a9a;font-size:14px;line-height:1.7}
    .section{padding:28px 0 0}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
    .section-heading h2{margin:0;font-size:30px;letter-spacing:-.035em;line-height:1.3}
    .section-heading p{margin:0;color:var(--muted);font-size:14px}
    .resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .resource-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s ease}
    .resource-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .resource-card img{width:100%;height:155px;object-fit:cover}
    .resource-card-content{padding:19px 20px 22px}
    .resource-card h3{font-size:18px;margin:0 0 7px}
    .resource-card p{font-size:14px;color:var(--muted);margin:0}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px}
    .faq-item h3{font-size:16px;margin:0 0 8px;color:var(--ink)}
    .faq-item p{font-size:14px;color:var(--muted);margin:0}
    .cta{margin-top:70px;border-radius:26px;padding:45px 50px;background:linear-gradient(110deg,#352260,#6b46d8);color:#fff;position:relative;overflow:hidden}
    .cta:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-55px;top:-100px}
    .cta h2{position:relative;z-index:1;margin:0 0 9px;font-size:30px;letter-spacing:-.035em}
    .cta p{position:relative;z-index:1;max-width:650px;color:#ddd6f5;margin:0 0 22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 19px;font-weight:700;font-size:14px;cursor:pointer}
    .btn-light{background:#fff;color:#5335ad}.btn-light:hover{background:#fff1eb;color:#b24c2f;transform:translateY(-2px)}
    .btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
    footer{background:#171b28;color:#b2b8c9;padding:55px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.1)}
    .footer-brand{max-width:365px}.footer-brand .brand{color:#fff}.footer-brand p{font-size:14px;line-height:1.8;margin:18px 0 0;color:#9299ab}
    .footer-links{display:flex;gap:70px}.footer-links div{display:flex;flex-direction:column;gap:9px}.footer-links h4{margin:0 0 8px;color:#fff;font-size:15px}.footer-links a{font-size:13px;color:#9299ab}.footer-links a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#777f92;font-size:12px}
    @media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px 8px;font-size:13px}.article-layout{grid-template-columns:minmax(0,1fr) 280px}.article-body{padding:32px}}
    @media(max-width:768px){.site-header,.nav-wrap{height:70px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;padding:12px 24px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 13px}.article-banner{padding:58px 0}.article-layout{display:block}.side-stack{margin-top:24px}.resource-grid{grid-template-columns:1fr 1fr}.faq-grid{grid-template-columns:1fr}.footer-top{display:block}.footer-links{margin-top:30px;gap:42px}.copyright{display:block}.copyright span{display:block;margin-top:5px}}
    @media(max-width:520px){.container{width:min(100% - 32px,var(--container))}.article-banner h1{font-size:34px}.banner-desc{font-size:15px}.article-cover{height:190px}.article-body{padding:24px 20px 30px}.cms-content h2{font-size:23px}.resource-grid{grid-template-columns:1fr}.section-heading{display:block}.section-heading h2{font-size:25px;margin-bottom:7px}.cta{padding:32px 24px;margin-top:48px}.cta h2{font-size:25px}.footer-links{gap:25px}.footer-links h4{font-size:14px}}

/* roulang page: category1 */
:root{
      --ink:#202033;
      --muted:#73758b;
      --soft:#f7f7fb;
      --panel:#ffffff;
      --line:#e9e8f1;
      --primary:#7657e8;
      --primary-dark:#5e42c9;
      --accent:#e993bd;
      --mint:#dff5ee;
      --shadow:0 18px 55px rgba(40,31,91,.10);
      --shadow-sm:0 8px 25px rgba(40,31,91,.07);
      --radius:24px;
      --container:1160px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      color:var(--ink);
      background:var(--soft);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(233,232,241,.8);
    }
    .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-size:19px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{
      width:32px;height:32px;border-radius:11px;display:inline-block;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 7px 18px rgba(118,87,232,.28);
      position:relative;
    }
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border:2px solid #fff;border-radius:50%;left:10px;top:8px}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{color:var(--muted);font-size:14px;padding:9px 13px;border-radius:12px}
    .nav-links a:hover,.nav-links a.active{color:var(--primary);background:#f0edff}
    .menu-toggle{display:none;background:#f0edff;color:var(--primary);padding:8px 11px;border-radius:10px}
    .hero{
      position:relative;overflow:hidden;color:#fff;
      min-height:480px;display:flex;align-items:center;
      background-image:linear-gradient(90deg,rgba(31,26,67,.88),rgba(72,48,132,.60)),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(255,255,255,.18);border-radius:50%;right:-100px;top:-120px}
    .hero-content{position:relative;z-index:1;max-width:760px;padding:78px 0}
    .eyebrow,.section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
    }
    .eyebrow{color:#e9dfff;margin-bottom:18px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.14;letter-spacing:-.055em;margin-bottom:22px}
    .hero p{font-size:18px;line-height:1.85;color:rgba(255,255,255,.82);max-width:690px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:13px;padding:12px 20px;font-weight:750;font-size:14px;transition:.25s ease}
    .btn-primary{color:#fff;background:var(--primary);box-shadow:0 10px 24px rgba(118,87,232,.25)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--primary)}
    .btn-light:hover{background:#f0edff;transform:translateY(-2px)}
    .btn-outline{color:var(--primary);background:transparent;border:1px solid #d9d4f4}
    .btn-outline:hover{border-color:var(--primary);background:#f4f1ff}
    .section{padding:92px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:36px}
    .section-kicker{color:var(--primary);margin-bottom:10px}
    h2{font-size:clamp(28px,3.5vw,44px);line-height:1.22;letter-spacing:-.04em}
    .section-intro{max-width:560px;color:var(--muted);font-size:16px}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
    .intro-copy p{color:var(--muted);margin-top:19px}
    .media-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#ddd}
    .media-card img{width:100%;height:365px;object-fit:cover}
    .media-caption{position:absolute;left:22px;right:22px;bottom:20px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);padding:14px 17px;border-radius:15px;font-size:14px;font-weight:700}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card,.scenario,.step,.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .feature-card{padding:28px;min-height:220px}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#f0edff;color:var(--primary);font-weight:900;font-size:19px;margin-bottom:20px}
    h3{font-size:20px;line-height:1.35;margin-bottom:10px}
    .feature-card p,.scenario p,.step p{color:var(--muted);font-size:14px}
    .alt-section{background:#fff}
    .scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .scenario{padding:23px}
    .scenario strong{display:block;margin-bottom:9px}
    .scenario span{color:var(--primary);font-size:12px;font-weight:800}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:steps}
    .step{padding:25px;position:relative}
    .step:before{counter-increment:steps;content:"0" counter(steps);display:block;color:var(--accent);font-size:28px;font-weight:900;line-height:1;margin-bottom:24px}
    .principles{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .principle{padding:22px 25px;background:#f5f2ff;border-radius:18px;border:1px solid #e7e0ff}
    .principle b{display:block;margin-bottom:6px}
    .principle p{color:var(--muted);font-size:14px}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .faq-item{padding:23px 25px}
    .faq-item h3{font-size:16px;margin-bottom:8px}
    .faq-item p{color:var(--muted);font-size:14px}
    .cta{
      padding:72px 0;color:#fff;
      background:linear-gradient(120deg,#3d2b82,#7859e3);
    }
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta h2{max-width:650px}
    .cta p{color:rgba(255,255,255,.75);margin-top:12px}
    footer{background:#19172b;color:#fff;padding:54px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:42px}
    .footer-brand{max-width:350px}
    .footer-brand p{color:#aaa7bc;font-size:14px;margin-top:17px}
    .footer-links{display:flex;gap:82px}
    .footer-links h4{font-size:14px;margin-bottom:14px;color:#fff}
    .footer-links a{display:block;color:#aaa7bc;font-size:13px;margin:8px 0}
    .footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid #302d47;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#89869f;font-size:12px}
    :focus-visible{outline:3px solid rgba(233,147,189,.8);outline-offset:3px}
    @media(max-width:900px){
      .nav-links{gap:0}.nav-links a{padding:8px 8px;font-size:13px}
      .intro-grid{gap:30px}.scenario-grid,.process{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:720px){
      .container{width:min(100% - 32px,var(--container))}
      .header-inner{height:68px}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
      .nav-links.open{display:block}.nav-links a{display:block;padding:11px 14px}
      .hero{min-height:560px}.hero-content{padding:65px 0}.hero p{font-size:16px}
      .section{padding:65px 0}.section-head,.cta-inner,.footer-top{display:block}
      .section-intro{margin-top:15px}.intro-grid,.feature-grid,.principles,.faq-list{grid-template-columns:1fr}
      .media-card{order:-1}.media-card img{height:270px}.feature-card{min-height:0}
      .cta .btn{margin-top:25px}.footer-links{margin-top:32px;gap:45px}
      .copyright{display:block}.copyright span{display:block;margin-top:8px}
    }
    @media(max-width:460px){
      h1{font-size:39px}.hero-actions .btn{width:100%}
      .scenario-grid,.process{grid-template-columns:1fr}
      .footer-links{gap:25px}
    }

/* roulang page: category2 */
:root{
      --ink:#18202d;
      --muted:#687385;
      --soft:#f5f7fb;
      --paper:#ffffff;
      --line:#e4e8f0;
      --primary:#6c4df6;
      --primary-dark:#4b32c3;
      --accent:#ef8d69;
      --mint:#dff6ee;
      --shadow:0 18px 50px rgba(29,35,61,.10);
      --shadow-sm:0 8px 24px rgba(29,35,61,.07);
      --radius:22px;
      --container:1160px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.75;
      font-size:16px;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid rgba(108,77,246,.35);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(228,232,240,.8)
    }
    .nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;font-size:19px;white-space:nowrap}
    .brand-mark{
      width:31px;height:31px;border-radius:11px;display:inline-block;
      background:linear-gradient(135deg,var(--primary),#ae8cff);
      box-shadow:inset 0 0 0 5px rgba(255,255,255,.22),0 8px 16px rgba(108,77,246,.22)
    }
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{font-size:14px;color:#596375;padding:10px 13px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:var(--primary-dark);background:#f0edff}
    .menu-toggle{display:none;background:var(--soft);border-radius:10px;padding:8px 11px;color:var(--ink)}
    .hero{
      min-height:470px;display:flex;align-items:center;position:relative;overflow:hidden;
      background:linear-gradient(110deg,rgba(24,32,45,.93),rgba(47,38,89,.78)),url('/assets/images/backpic/back-2.webp') center/cover;
      color:#fff;
    }
    .hero:after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;right:-120px;top:-140px;background:rgba(239,141,105,.22);filter:blur(5px)}
    .hero-content{position:relative;z-index:1;max-width:760px;padding:78px 0}
    .eyebrow,.section-kicker{
      display:inline-flex;align-items:center;gap:8px;color:#bdb3ff;font-size:13px;font-weight:700;letter-spacing:.08em
    }
    .eyebrow:before,.section-kicker:before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block}
    h1{font-size:clamp(36px,5vw,66px);line-height:1.12;letter-spacing:-.055em;margin:18px 0 20px;max-width:720px}
    .hero p{font-size:18px;line-height:1.9;color:rgba(255,255,255,.78);max-width:680px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:13px;padding:12px 20px;font-weight:700;font-size:15px;transition:.25s ease}
    .btn-primary{background:var(--accent);color:#28170f;box-shadow:0 10px 22px rgba(239,141,105,.25)}
    .btn-primary:hover{background:#ffa887;transform:translateY(-2px)}
    .btn-light{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.26)}
    .btn-light:hover{background:#fff;color:var(--ink)}
    .section{padding:92px 0}
    .section-head{max-width:700px;margin-bottom:38px}
    .section-kicker{color:var(--primary)}
    h2{font-size:clamp(28px,4vw,43px);line-height:1.22;letter-spacing:-.045em;margin:12px 0 14px}
    .lead{color:var(--muted);font-size:17px}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
    .intro-image{position:relative}
    .intro-image img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-note{position:absolute;left:22px;bottom:20px;background:rgba(24,32,45,.85);color:#fff;padding:12px 16px;border-radius:13px;font-size:13px}
    .check-list{display:grid;gap:16px;margin-top:25px}
    .check-list li{list-style:none;display:flex;gap:14px;align-items:flex-start}
    .check-list li:before{content:"✓";flex:none;width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:#16845f;font-weight:800;margin-top:3px}
    .check-list strong{display:block;margin-bottom:2px}
    .check-list span{color:var(--muted);font-size:14px}
    .soft-section{background:var(--soft)}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow-sm);transition:.28s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d3ccff}
    .icon-box{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:#eeeaff;color:var(--primary-dark);font-size:22px;margin-bottom:20px}
    .card h3{font-size:20px;margin-bottom:9px;letter-spacing:-.025em}
    .card p{color:var(--muted);font-size:14px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
    .step{position:relative;padding:25px 22px;border-top:3px solid var(--primary);background:#fff;border-radius:0 0 18px 18px;box-shadow:var(--shadow-sm)}
    .step:before{counter-increment:step;content:"0" counter(step);font-size:30px;font-weight:800;color:#d9d2ff;display:block;margin-bottom:12px}
    .step h3{font-size:17px;margin-bottom:8px}
    .step p{font-size:14px;color:var(--muted)}
    .notice{
      display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch
    }
    .notice-panel{padding:32px;border-radius:var(--radius);background:#211c43;color:#fff}
    .notice-panel h2{font-size:29px}
    .notice-panel p{color:rgba(255,255,255,.72);font-size:15px}
    .notice-list{margin-top:20px;display:grid;gap:12px}
    .notice-list div{display:flex;gap:11px;align-items:flex-start;color:#eeeaff;font-size:14px}
    .notice-list b{color:var(--accent)}
    .rule-card{padding:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
    .rule-card h3{margin-bottom:18px;font-size:21px}
    .rule-row{display:flex;gap:15px;padding:14px 0;border-bottom:1px solid var(--line)}
    .rule-row:last-child{border-bottom:0}
    .rule-row b{min-width:70px;color:var(--primary-dark);font-size:14px}
    .rule-row span{font-size:14px;color:var(--muted)}
    .faq-wrap{max-width:850px;margin:0 auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;background:none;text-align:left;padding:21px 2px;font-weight:700;color:var(--ink)}
    .faq-question span{font-size:23px;color:var(--primary);transition:.25s}
    .faq-answer{display:none;color:var(--muted);font-size:15px;padding:0 40px 20px 2px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta{
      padding:68px 30px;text-align:center;border-radius:30px;
      background:linear-gradient(120deg,#30265d,#6c4df6);color:#fff;position:relative;overflow:hidden
    }
    .cta:before{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(255,255,255,.15);border-radius:50%;left:7%;top:-130px}
    .cta > *{position:relative;z-index:1}
    .cta h2{margin-bottom:12px}
    .cta p{max-width:660px;margin:0 auto;color:rgba(255,255,255,.76)}
    .cta .btn{margin-top:25px}
    footer{background:#171b27;color:#fff;padding:58px 0 22px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:42px}
    .footer-brand{max-width:370px}
    .footer-brand .brand{margin-bottom:15px}
    .footer-brand p{color:#9ca5b6;font-size:14px}
    .footer-links{display:flex;gap:85px}
    .footer-links div{display:grid;align-content:start;gap:8px}
    .footer-links h4{font-size:14px;color:#fff;margin-bottom:8px}
    .footer-links a{color:#9ca5b6;font-size:13px}
    .footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#7f899c;font-size:12px}
    @media(max-width:1024px){
      .nav-links{gap:0}.nav-links a{padding:9px 8px;font-size:13px}
      .intro-grid{gap:34px}.steps{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .nav-wrap{min-height:68px}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:17px;right:17px;top:76px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}.nav-links a{padding:12px 14px}
      .hero{min-height:520px}.hero-content{padding:68px 0}.hero p{font-size:16px}
      .section{padding:68px 0}.intro-grid,.notice{grid-template-columns:1fr}.intro-image{order:2}
      .intro-image img{height:300px}.feature-grid{grid-template-columns:1fr 1fr}
      .footer-top{flex-direction:column}.footer-links{gap:60px}
    }
    @media(max-width:520px){
      h1{font-size:39px}.hero-actions .btn{width:100%}
      .feature-grid,.steps{grid-template-columns:1fr}
      .card{padding:23px}.notice-panel,.rule-card{padding:25px}
      .footer-links{gap:30px;flex-wrap:wrap}.copyright{flex-direction:column;gap:5px}
    }

/* roulang page: category5 */
:root{--ink:#17202b;--muted:#61707c;--paper:#f8fafb;--surface:#fff;--navy:#102a43;--teal:#087f78;--teal-dark:#05635e;--mint:#dff7f1;--coral:#e6705c;--line:#dce5e8;--shadow:0 18px 42px rgba(16,42,67,.10);--soft-shadow:0 8px 22px rgba(16,42,67,.07);--radius:20px;--radius-sm:12px;--container:1160px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7} a{color:inherit;text-decoration:none} img{display:block;max-width:100%} button,input{font:inherit} button{cursor:pointer} ::selection{background:#bcebe1;color:var(--navy)}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}.topline{height:4px;background:var(--teal)}
    header{background:rgba(255,255,255,.95);border-bottom:1px solid rgba(220,229,232,.9);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--navy);white-space:nowrap}.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--teal);position:relative;box-shadow:inset 0 0 0 5px #bcebe1}.brand-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:#fff;left:10px;top:10px}.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:3px}.nav-links a{font-size:14px;color:#425466;padding:9px 11px;border-radius:9px;white-space:nowrap;transition:.2s ease}.nav-links a:hover,.nav-links a.active{background:var(--mint);color:var(--teal-dark);font-weight:700}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;width:42px;height:40px;border-radius:10px;color:var(--navy)}
    .hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;min-height:492px;display:flex;align-items:center}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,31,51,.94) 0%,rgba(10,31,51,.80) 50%,rgba(10,31,51,.37) 100%),url('/assets/images/backpic/back-2.webp') center/cover}.hero:after{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(188,235,225,.22);border-radius:50%;right:-100px;bottom:-220px;box-shadow:0 0 0 45px rgba(188,235,225,.05),0 0 0 95px rgba(188,235,225,.04)}.hero-content{position:relative;z-index:1;padding:78px 0;max-width:760px}.breadcrumb{display:flex;gap:9px;align-items:center;color:#c9d5de;font-size:14px;margin-bottom:24px}.breadcrumb a:hover{color:#fff}.breadcrumb i{width:5px;height:5px;border-radius:50%;background:#7cbab4}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(188,235,225,.12);border:1px solid rgba(188,235,225,.35);border-radius:99px;padding:6px 12px;color:#d8fff6;font-weight:700;font-size:13px}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:#72ddd0;box-shadow:0 0 0 4px rgba(114,221,208,.15)}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(36px,5vw,60px);letter-spacing:-.045em;line-height:1.16;margin:18px 0}.hero p{font-size:18px;line-height:1.9;color:#d7e2e9;max-width:680px;margin-bottom:28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:12px 19px;font-weight:800;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px)}.btn:focus,a:focus,button:focus{outline:3px solid rgba(8,127,120,.28);outline-offset:3px}.btn-primary{background:#93e6d9;color:#083b38;box-shadow:0 8px 20px rgba(0,0,0,.16)}.btn-primary:hover{background:#c0f6ed;box-shadow:0 12px 24px rgba(0,0,0,.2)}.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06)}.btn-ghost:hover{background:rgba(255,255,255,.16)}
    main{overflow:hidden}.section{padding:86px 0}.section-soft{background:#edf5f4}.section-head{max-width:690px;margin-bottom:38px}.kicker{color:var(--teal);font-size:14px;font-weight:800;letter-spacing:.1em}.section h2{color:var(--navy);font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.03em;margin:8px 0 13px}.section-head p{color:var(--muted);font-size:17px;margin:0}.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.safety-card{background:var(--surface);padding:27px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow);transition:transform .22s,box-shadow .22s,border-color .22s}.safety-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#a8dcd3}.icon{width:47px;height:47px;border-radius:14px;display:grid;place-items:center;background:var(--mint);color:var(--teal-dark);font-size:21px;font-weight:900;margin-bottom:18px}.safety-card h3{font-size:19px;color:var(--navy);line-height:1.35;margin-bottom:9px}.safety-card p{color:var(--muted);font-size:15px;margin:0}
    .feature-layout{display:grid;grid-template-columns:1.02fr .98fr;gap:62px;align-items:center}.feature-photo{position:relative}.feature-photo img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.photo-note{position:absolute;right:-25px;bottom:27px;max-width:250px;padding:18px 20px;background:#fff;border-radius:14px;box-shadow:var(--shadow);border-left:4px solid var(--coral)}.photo-note strong{display:block;color:var(--navy);font-size:15px;margin-bottom:4px}.photo-note span{display:block;color:var(--muted);font-size:13px;line-height:1.55}.check-list{list-style:none;padding:0;margin:24px 0 0}.check-list li{position:relative;padding:14px 0 14px 34px;border-bottom:1px solid var(--line);color:#3e4f5d}.check-list li:before{content:"✓";position:absolute;left:0;top:14px;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:var(--teal-dark);font-size:13px;font-weight:900}.check-list strong{color:var(--navy)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{position:relative;padding:25px 21px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}.step-number{display:flex;align-items:center;justify-content:space-between;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:30px}.step-number:after{content:"";height:1px;background:#b9ddd7;flex:1;margin-left:11px}.step h3{font-size:18px;color:var(--navy);margin-bottom:8px}.step p{font-size:14px;line-height:1.65;color:var(--muted);margin:0}
    .split-section{background:var(--navy);color:#fff}.split-section .section-head h2{color:#fff}.split-section .section-head p{color:#bfced8}.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.scene{overflow:hidden;background:#173750;border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);transition:transform .2s,background .2s}.scene:hover{transform:translateY(-4px);background:#1d425d}.scene img{width:100%;height:174px;object-fit:cover;opacity:.82}.scene-body{padding:19px 21px 23px}.scene h3{margin-bottom:7px;font-size:19px}.scene p{margin:0;color:#c9d7df;font-size:14px;line-height:1.7}
    .faq-wrap{display:grid;grid-template-columns:.74fr 1.26fr;gap:58px;align-items:start}.faq-intro{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}.faq-intro p{color:var(--muted);margin-bottom:20px}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:transparent;color:var(--navy);padding:21px 3px;font-size:17px;font-weight:800}.faq-question span:last-child{color:var(--teal);font-size:25px;font-weight:400;transition:transform .2s}.faq-answer{display:none;padding:0 40px 20px 3px;color:var(--muted);font-size:15px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:72px 0}.cta-box{position:relative;overflow:hidden;background:var(--teal);border-radius:26px;padding:50px 58px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-box:before,.cta-box:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.22);border-radius:50%}.cta-box:before{width:280px;height:280px;right:-80px;top:-140px}.cta-box:after{width:150px;height:150px;right:115px;bottom:-110px}.cta-copy{position:relative;z-index:1;max-width:660px}.cta h2{color:#fff;font-size:33px;margin-bottom:9px}.cta p{color:#d9fffa;margin:0}.cta .btn{position:relative;z-index:1;flex:0 0 auto;background:#fff;color:var(--teal-dark)}.cta .btn:hover{background:#e7fffb}
    footer{background:#0d2235;color:#d0dce3;padding:58px 0 22px}.footer-top{display:grid;grid-template-columns:1.2fr .8fr;gap:75px;padding-bottom:45px}.footer-brand .brand{color:#fff}.footer-brand p{max-width:370px;margin:18px 0 0;color:#9fb2be;font-size:14px}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}.footer-links h4{color:#fff;font-size:15px;margin:3px 0 15px}.footer-links a{display:block;color:#a9bbc5;font-size:14px;margin:9px 0;transition:color .2s}.footer-links a:hover{color:#9ce6dc}.copyright{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;display:flex;justify-content:space-between;gap:18px;color:#849aa8;font-size:13px}
    @media(max-width:1024px){.header-inner{height:70px}.nav-links a{padding:8px 7px;font-size:13px}.feature-layout,.faq-wrap{gap:36px}.steps{grid-template-columns:repeat(2,1fr)}.footer-top{gap:40px}.photo-note{right:14px}}
    @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:16px;right:16px;top:66px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:10px 12px}.hero{min-height:auto}.hero-content{padding:62px 0}.hero p{font-size:16px}.section{padding:64px 0}.safety-grid,.scene-grid{grid-template-columns:1fr}.feature-layout,.faq-wrap{grid-template-columns:1fr}.feature-photo{order:2}.feature-photo img{height:320px}.photo-note{right:12px;bottom:14px}.faq-intro{padding:23px}.cta-box{padding:38px 30px;display:block}.cta .btn{margin-top:22px}.footer-top{grid-template-columns:1fr;gap:34px}}
    @media(max-width:520px){.brand{font-size:16px}.brand-mark{width:25px;height:25px}.brand-mark:after{left:8px;top:8px}.hero h1{font-size:35px}.hero-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.section h2{font-size:29px}.steps{grid-template-columns:1fr}.step-number{margin-bottom:19px}.feature-photo img{height:255px}.photo-note{max-width:215px;padding:13px 15px}.copyright{display:block}.copyright span{display:block;margin:5px 0}.footer-links{gap:16px}.cta{padding:48px 0}.cta-box{padding:31px 24px}.cta h2{font-size:27px}}

/* roulang page: category3 */
:root{--ink:#182329;--muted:#68777d;--paper:#f7f8f5;--card:#fff;--line:#dfe7e2;--teal:#0b776d;--teal-dark:#07564f;--mint:#dff1e9;--orange:#e99452;--radius:22px;--shadow:0 18px 50px rgba(19,48,45,.09);--container:1160px}
    *{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input{font:inherit}.container{width:min(var(--container),calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:10;background:rgba(247,248,245,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,231,226,.8)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:18px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}.brand-mark{width:30px;height:30px;border-radius:10px 10px 10px 3px;background:var(--teal);position:relative;box-shadow:6px 6px 0 var(--mint)}.brand-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:#fff;left:11px;top:11px}.nav-links{display:flex;align-items:center;gap:7px}.nav-links a{padding:9px 13px;border-radius:999px;color:var(--muted);font-size:14px;transition:.25s}.nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--teal-dark);background:var(--mint);outline:none}.menu-toggle{display:none;border:0;background:transparent;color:var(--teal);font-size:25px}.hero{position:relative;overflow:hidden;padding:105px 0 94px;background:linear-gradient(90deg,rgba(10,42,39,.86),rgba(10,42,39,.46)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}.hero:after{content:"";position:absolute;right:-80px;bottom:-110px;width:360px;height:360px;border:1px solid rgba(255,255,255,.2);border-radius:50%}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:#b9e8d5;font-size:13px;font-weight:750;letter-spacing:.08em}.eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}.hero h1{max-width:790px;font-size:clamp(36px,5vw,68px);line-height:1.15;letter-spacing:-.055em;margin:20px 0}.hero p{max-width:680px;color:rgba(255,255,255,.8);font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:31px}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 21px;border-radius:999px;border:1px solid transparent;font-weight:750;transition:.25s;cursor:pointer}.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:#d97c3d;transform:translateY(-2px)}.btn-light{border-color:rgba(255,255,255,.35);color:#fff}.btn-light:hover{background:#fff;color:var(--teal-dark)}.section{padding:88px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-kicker{color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.section h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.04em;margin-top:8px}.section-lead{max-width:500px;color:var(--muted)}.intro-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:28px;align-items:stretch}.feature-image{min-height:390px;border-radius:var(--radius);background:url('/assets/images/coverpic/cover-6.webp') center/cover;box-shadow:var(--shadow);position:relative;overflow:hidden}.feature-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,46,42,.58),transparent 55%)}.image-note{position:absolute;z-index:1;bottom:24px;left:25px;color:#fff;font-weight:750}.copy-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}.copy-panel h3{font-size:25px;line-height:1.35;margin-bottom:16px}.copy-panel p{color:var(--muted);margin-bottom:22px}.check-list{list-style:none;display:grid;gap:13px}.check-list li{display:flex;gap:12px;align-items:flex-start}.check-list li:before{content:"✓";flex:none;width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:var(--teal);font-weight:800;margin-top:3px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:27px;transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9d9cc}.number{font-size:14px;color:var(--orange);font-weight:850}.card h3{font-size:20px;margin:16px 0 9px}.card p{color:var(--muted);font-size:15px}.process{background:#eaf4ef}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.process-item{padding:24px 20px;border-top:3px solid var(--teal);background:#fff;border-radius:14px}.process-item strong{display:block;font-size:16px;margin-bottom:8px}.process-item span{color:var(--muted);font-size:14px}.notice{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.notice-box{padding:34px;border-radius:var(--radius);background:var(--teal-dark);color:#fff}.notice-box h3{font-size:27px;line-height:1.35;margin-bottom:12px}.notice-box p{color:rgba(255,255,255,.76)}.rules{display:grid;gap:12px}.rule{display:flex;gap:15px;padding:17px 18px;background:#fff;border:1px solid var(--line);border-radius:14px}.rule b{color:var(--teal);font-size:18px}.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:13px}.faq{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px}.faq h3{font-size:17px;margin-bottom:8px}.faq p{color:var(--muted);font-size:14px}.cta{padding:72px 0}.cta-inner{border-radius:var(--radius);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:25px;background:var(--mint)}.cta h2{font-size:clamp(26px,3vw,38px);line-height:1.25}.cta p{color:var(--muted);margin-top:7px}.footer{padding:60px 0 24px;background:#123d39;color:#fff}.footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:43px}.footer-brand{max-width:365px}.footer-brand p{color:rgba(255,255,255,.62);font-size:14px;margin-top:17px}.footer .brand{color:#fff}.footer .brand-mark{background:var(--orange);box-shadow:6px 6px 0 rgba(255,255,255,.15)}.footer-links{display:flex;gap:80px}.footer-links h4{font-size:14px;margin-bottom:13px;color:#b9e8d5}.footer-links a{display:block;color:rgba(255,255,255,.68);font-size:14px;margin:7px 0;transition:.2s}.footer-links a:hover,.footer-links a:focus{color:#fff;outline:none}.copyright{border-top:1px solid rgba(255,255,255,.16);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:rgba(255,255,255,.48);font-size:13px}
    @media(max-width:1024px){.nav-links{gap:1px}.nav-links a{padding:8px 8px;font-size:13px}.process-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.nav-wrap{height:70px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:20px;right:20px;top:78px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 14px}.hero{padding:78px 0 72px}.intro-grid,.notice{grid-template-columns:1fr}.feature-image{min-height:300px}.cards{grid-template-columns:1fr 1fr}.section{padding:66px 0}.section-head{display:block}.section-lead{margin-top:15px}.faq-list{grid-template-columns:1fr}.cta-inner{display:block;padding:35px}.cta-inner .btn{margin-top:23px}.footer-top{display:block}.footer-links{margin-top:32px;gap:45px}}
    @media(max-width:520px){.container{width:min(100% - 28px,var(--container))}.brand{font-size:15px}.hero h1{font-size:39px}.hero p{font-size:15px}.hero-actions .btn{width:100%}.cards,.process-grid{grid-template-columns:1fr}.copy-panel{padding:25px}.feature-image{min-height:250px}.footer-links{gap:25px;flex-wrap:wrap}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: category4 */
:root{
      --ink:#17212b;
      --muted:#687582;
      --soft:#f5f7f8;
      --paper:#ffffff;
      --line:#e5eaed;
      --brand:#e85f4b;
      --brand-dark:#c74437;
      --accent:#f4b860;
      --teal:#2b8d88;
      --radius:22px;
      --small-radius:13px;
      --shadow:0 18px 55px rgba(25,43,54,.10);
      --shadow-sm:0 8px 25px rgba(25,43,54,.07);
      --max:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,transform .25s ease,box-shadow .25s ease}
    img{display:block;width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(232,95,75,.35);outline-offset:4px}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(229,234,237,.8)}
    .header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;font-size:19px;white-space:nowrap}
    .brand-mark{width:31px;height:31px;border-radius:10px 10px 10px 4px;background:linear-gradient(135deg,var(--brand),#f18d67);position:relative;box-shadow:0 7px 16px rgba(232,95,75,.24)}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;background:#fff;border-radius:50%;left:8px;top:8px;box-shadow:9px 0 0 rgba(255,255,255,.8)}
    .nav-links{display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{padding:9px 13px;border-radius:10px;color:#596673;font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--brand);background:#fff1ed}
    .menu-toggle{display:none;border:0;background:var(--soft);border-radius:10px;padding:9px 12px;color:var(--ink)}
    .inner-hero{position:relative;min-height:445px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(110deg,rgba(18,30,38,.86),rgba(27,54,58,.62)),url('/assets/images/backpic/back-2.webp') center/cover}
    .inner-hero:after{content:"";position:absolute;inset:auto -10% -90px;height:180px;background:var(--paper);border-radius:50% 50% 0 0/100% 100% 0 0}
    .hero-content{position:relative;z-index:1;max-width:760px;color:#fff;padding:70px 0 90px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffd0a6;font-size:13px;font-weight:700;letter-spacing:.12em;margin-bottom:18px}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--accent)}
    h1{font-size:clamp(36px,5vw,64px);line-height:1.15;letter-spacing:-.055em;margin-bottom:22px}
    .hero-content p{font-size:18px;line-height:1.9;color:rgba(255,255,255,.83);max-width:680px}
    .hero-actions{display:flex;gap:13px;margin-top:30px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:12px;font-weight:700;border:1px solid transparent;transition:all .25s ease}
    .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 20px rgba(232,95,75,.22)}
    .btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 25px rgba(232,95,75,.28)}
    .btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35);color:#fff}
    .btn-light:hover{background:#fff;color:var(--ink)}
    .section{padding:92px 0}
    .section-soft{background:var(--soft)}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:35px}
    .section-heading h2{font-size:clamp(27px,3vw,40px);letter-spacing:-.045em;line-height:1.25}
    .section-heading p{max-width:535px;color:var(--muted)}
    .kicker{display:block;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
    .intro-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:58px;align-items:center}
    .intro-copy h2{font-size:38px;line-height:1.3;letter-spacing:-.04em;margin-bottom:18px}
    .intro-copy p{color:var(--muted);margin-bottom:18px}
    .check-list{list-style:none;display:grid;gap:13px;margin-top:24px}
    .check-list li{display:flex;gap:12px;align-items:flex-start}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 25px;height:25px;border-radius:50%;background:#e4f4ef;color:var(--teal);font-weight:800;margin-top:3px}
    .image-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#dfe7e6}
    .image-card img{aspect-ratio:1.08/1;object-fit:cover}
    .image-caption{position:absolute;bottom:18px;left:18px;right:18px;padding:14px 16px;border-radius:14px;background:rgba(18,30,38,.78);backdrop-filter:blur(10px);color:#fff;font-size:14px}
    .three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f2c4bb}
    .icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:#fff0ec;color:var(--brand);font-size:22px;margin-bottom:20px}
    .card h3{font-size:20px;letter-spacing:-.025em;margin-bottom:10px}
    .card p{color:var(--muted);font-size:15px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:step}
    .step{position:relative;padding:26px 22px 22px;border-top:3px solid var(--brand);background:#fff;border-radius:0 0 18px 18px;box-shadow:var(--shadow-sm)}
    .step:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--brand);font-weight:800;font-size:13px;margin-bottom:25px}
    .step h3{font-size:18px;margin-bottom:9px}
    .step p{font-size:14px;color:var(--muted)}
    .notice{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;padding:25px 28px;border:1px solid #f3d7a8;background:#fff9ed;border-radius:18px;margin-top:25px}
    .notice strong{color:#93651e}
    .notice p{color:#756244;font-size:14px}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item{border:1px solid var(--line);border-radius:16px;padding:22px 24px;background:#fff}
    .faq-item h3{font-size:17px;margin-bottom:8px}
    .faq-item p{color:var(--muted);font-size:14px}
    .cta{padding:62px 70px;border-radius:28px;background:linear-gradient(120deg,#1e3b40,#295d5d);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;overflow:hidden;position:relative}
    .cta:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:70px;top:-115px}
    .cta h2{font-size:34px;line-height:1.25;letter-spacing:-.04em;margin-bottom:10px;position:relative;z-index:1}
    .cta p{color:rgba(255,255,255,.72);position:relative;z-index:1}
    .cta .btn{position:relative;z-index:1;flex:0 0 auto}
    footer{background:#17252b;color:#dbe5e5;padding:62px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:45px}
    .footer-brand{max-width:390px}
    .footer-brand .brand{color:#fff;margin-bottom:18px}
    .footer-brand p{color:#9caeb0;font-size:14px}
    .footer-links{display:flex;gap:85px}
    .footer-links h4{font-size:14px;color:#fff;margin-bottom:15px}
    .footer-links div{display:grid;gap:8px;align-content:start}
    .footer-links a{font-size:14px;color:#9caeb0}
    .footer-links a:hover{color:#ffad95}
    .copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#829497;font-size:13px}
    @media(max-width:900px){
      .header-inner{height:70px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:70px;left:0;right:0;padding:14px 24px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .intro-grid{grid-template-columns:1fr;gap:35px}
      .process{grid-template-columns:repeat(2,1fr)}
      .cta{padding:45px 35px}
    }
    @media(max-width:650px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .inner-hero{min-height:500px}
      .hero-content{padding:60px 0 90px}
      .hero-content p{font-size:16px}
      .section{padding:65px 0}
      .section-heading{display:block}
      .section-heading h2{margin-bottom:12px}
      .three-grid,.faq-list{grid-template-columns:1fr}
      .process{grid-template-columns:1fr}
      .intro-copy h2{font-size:30px}
      .cta{display:block;padding:38px 27px}
      .cta h2{font-size:28px}
      .cta .btn{margin-top:24px}
      .footer-top{display:block}
      .footer-links{gap:38px;margin-top:35px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:5px}
    }