/* roulang page: index */
:root{
  --ink:#211d2b;
  --deep:#211a2b;
  --deep-2:#30233d;
  --lime:#c9f35b;
  --lime-dark:#a9d844;
  --orange:#f39a5d;
  --paper:#fbfaf8;
  --mist:#f0edf4;
  --muted:#777181;
  --line:#ded9e4;
  --white:#fff;
  --radius:18px;
  --small-radius:10px;
  --shadow:0 18px 50px rgba(38,26,50,.11);
  --ease:all .22s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;border:0;cursor:pointer}
.container{width:min(1180px,calc(100% - 44px));margin:auto}
.site-header{height:78px;background:rgba(251,250,248,.94);border-bottom:1px solid rgba(222,217,228,.7);position:relative;z-index:20}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-.04em;white-space:nowrap}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--deep);color:var(--lime);display:grid;place-items:center;font-size:13px;font-weight:900;box-shadow:4px 4px 0 var(--lime)}
.nav-links{display:flex;align-items:center;gap:25px;margin-left:auto}
.nav-links a{font-size:14px;color:#625d6b;position:relative;padding:27px 0 23px;transition:var(--ease)}
.nav-links a:after{content:"";height:3px;width:0;background:var(--lime-dark);position:absolute;left:0;right:0;bottom:17px;transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-cta,.btn-primary{background:var(--lime);color:var(--deep);font-weight:800;border-radius:10px;padding:12px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease);box-shadow:0 7px 0 rgba(169,216,68,.25)}
.nav-cta:hover,.btn-primary:hover{background:#d8ff70;transform:translateY(-2px);box-shadow:0 9px 0 rgba(169,216,68,.28)}
.menu-toggle{display:none;background:var(--deep);color:var(--lime);width:43px;height:43px;border-radius:10px;font-size:21px}
.hero{background:var(--deep);color:var(--white);position:relative;overflow:hidden;padding:92px 0 86px}
.hero:before{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(201,243,91,.13);border-radius:50%;right:-160px;top:-230px;box-shadow:0 0 0 32px rgba(201,243,91,.035),0 0 0 75px rgba(201,243,91,.025)}
.hero:after{content:"NG28 / 01";position:absolute;right:6%;bottom:25px;color:rgba(255,255,255,.1);font:700 12px monospace;letter-spacing:.2em}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:80px;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:20px}
.eyebrow:before{content:"";width:24px;height:3px;background:var(--lime);border-radius:3px}
.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.15;letter-spacing:-.065em;max-width:650px;margin-bottom:23px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-copy{color:#c8c0d0;max-width:570px;font-size:16px;line-height:1.9}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.btn-secondary{border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:10px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;transition:var(--ease)}
.btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.hero-facts{display:flex;gap:30px;margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14)}
.fact strong{display:block;font:700 22px/1.2 ui-monospace,SFMono-Regular,monospace;color:var(--lime)}
.fact span{font-size:12px;color:#a69cac}
.app-preview{min-height:390px;border:1px solid rgba(255,255,255,.16);border-radius:24px;background:#2d2438;padding:22px;position:relative;box-shadow:var(--shadow);transform:rotate(2deg)}
.preview-top{display:flex;justify-content:space-between;color:#c5bdce;font-size:12px;margin-bottom:18px}
.preview-title{font-size:25px;font-weight:800;letter-spacing:-.05em;margin-bottom:20px}
.preview-title b{color:var(--lime)}
.preview-row{display:flex;align-items:center;gap:13px;padding:15px 0;border-top:1px solid rgba(255,255,255,.1)}
.preview-dot{width:38px;height:38px;border-radius:11px;background:var(--lime);color:var(--deep);display:grid;place-items:center;font-weight:900}
.preview-row:nth-child(3) .preview-dot{background:var(--orange)}
.preview-row:nth-child(4) .preview-dot{background:#d8c8ef}
.preview-row strong{font-size:14px;display:block}
.preview-row small{color:#aaa0b6;font-size:11px}
.preview-badge{margin-left:auto;color:var(--lime);font-size:11px}
.preview-footer{margin-top:24px;padding:14px;background:#201a2a;border-radius:10px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#b9b0c3}
.status{color:var(--lime);font-weight:700}
.signal-band{background:var(--lime);padding:17px 0;color:var(--deep)}
.signal-items{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;font-weight:800}
.signal-items span{display:inline-flex;align-items:center;gap:8px}
.signal-items span:before{content:"↗";font-size:17px}
.section{padding:96px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:25px;margin-bottom:34px}
.section-kicker{color:#8c8194;font:700 12px monospace;letter-spacing:.12em;text-transform:uppercase;margin-bottom:9px}
.section h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.055em}
.section-intro{max-width:450px;color:var(--muted);font-size:14px}
.text-link{font-weight:800;font-size:14px;border-bottom:2px solid var(--lime-dark);padding-bottom:4px;white-space:nowrap}
.news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
.feature-news,.news-list{border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.feature-news{padding:31px;min-height:300px;display:flex;flex-direction:column;justify-content:space-between;transition:var(--ease)}
.feature-news:hover{border-color:var(--lime-dark);box-shadow:var(--shadow);transform:translateY(-3px)}
.news-meta{display:flex;align-items:center;gap:12px;color:#918897;font-size:12px}
.tag{border-radius:7px;background:var(--mist);color:#62536d;padding:5px 9px;font-size:11px;font-weight:800;display:inline-block}
.tag.lime{background:var(--lime);color:var(--deep)}
.feature-news h3{font-size:27px;line-height:1.38;letter-spacing:-.045em;margin:17px 0 10px}
.feature-news p{color:var(--muted);font-size:14px;max-width:600px}
.arrow{font-size:21px;color:#8a7b91;margin-left:auto}
.news-list{padding:4px 25px}
.news-item{display:flex;align-items:center;gap:16px;padding:19px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.news-item:last-child{border-bottom:0}
.news-item:hover{padding-left:5px;color:#654a70}
.news-date{font:700 12px monospace;color:#a07862;min-width:76px}
.news-item h4{font-size:14px;line-height:1.5;flex:1}
.empty-state{padding:44px 20px;text-align:center;color:var(--muted)}
.empty-state .empty-icon{font-size:30px;margin-bottom:8px}
.empty-state p{font-size:14px;margin-bottom:18px}
.topics{background:var(--mist)}
.topic-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.topic-card{border-radius:var(--radius);padding:30px;min-height:210px;position:relative;overflow:hidden;transition:var(--ease);border:1px solid transparent}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.topic-card.dark{background:var(--deep);color:#fff;grid-row:span 2;min-height:438px}
.topic-card.light{background:#fff;border-color:var(--line)}
.topic-card.orange{background:#f6dfcc}
.topic-card h3{font-size:24px;line-height:1.3;margin:15px 0 9px;letter-spacing:-.04em}
.topic-card p{font-size:13px;color:#777080;max-width:380px}
.topic-card.dark p{color:#c7bfce}
.topic-number{font:700 12px monospace;color:var(--orange)}
.topic-card.dark .topic-number{color:var(--lime)}
.topic-arrow{position:absolute;right:28px;bottom:24px;font-size:23px}
.download-section{padding:100px 0}
.download-panel{background:var(--deep-2);color:#fff;border-radius:24px;padding:52px 58px;display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center;overflow:hidden;position:relative}
.download-panel:after{content:"";position:absolute;right:-100px;bottom:-130px;width:370px;height:370px;border:1px solid rgba(201,243,91,.16);border-radius:50%}
.download-panel h2{font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.06em;margin:10px 0 17px}
.download-panel p{color:#c8c0ce;max-width:500px;font-size:14px}
.version{display:flex;gap:22px;margin:25px 0;color:#c8c0ce;font-size:12px}
.version b{display:block;color:#fff;font:700 14px monospace;margin-top:3px}
.download-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.download-note{font-size:12px;color:#9e94a8}
.device-stage{height:280px;display:flex;justify-content:center;align-items:center;position:relative;z-index:1}
.device{width:168px;height:285px;background:#16121e;border:7px solid #4e425b;border-radius:27px;box-shadow:20px 22px 0 rgba(0,0,0,.18);padding:23px 13px 15px;transform:rotate(-7deg)}
.device-screen{background:#f5f2f7;color:var(--ink);height:100%;border-radius:12px;padding:14px 10px;font-size:10px}
.device-screen strong{display:block;font-size:16px;margin-bottom:15px}
.screen-line{height:37px;border-bottom:1px solid #d9d1df;padding:8px 0}
.screen-line b{font-size:10px}
.qr-card{position:absolute;background:#fff;color:var(--ink);padding:14px;border-radius:13px;right:9%;bottom:27px;z-index:2;box-shadow:var(--shadow);font-size:11px;text-align:center}
.qr{width:67px;height:67px;margin:0 auto 7px;background:repeating-linear-gradient(45deg,#211d2b 0 3px,#fff 3px 6px);border:4px solid #fff}
.faq-section{background:#fff}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px}
.faq-layout>div:first-child p{color:var(--muted);font-size:14px;margin-top:15px}
.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;background:none;padding:20px 0;text-align:left;font-weight:800;color:var(--ink)}
.faq-question span{font-size:22px;font-weight:400;color:#9a8ca1;transition:var(--ease)}
.faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .25s ease,padding .25s ease}
.faq-item.open .faq-answer{max-height:120px;padding:0 35px 20px 0}
.faq-item.open .faq-question span{transform:rotate(45deg);color:var(--lime-dark)}
.cta-band{background:var(--deep);color:#fff;padding:62px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-inner h2{font-size:32px;letter-spacing:-.05em;margin-bottom:7px}
.cta-inner p{color:#bdb3c7;font-size:14px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.site-footer{background:#17131f;color:#b9b0c0;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
.footer-brand p{font-size:13px;line-height:1.8;max-width:280px;margin-top:16px;color:#8f8696}
.footer-title{color:#fff;font-size:14px;font-weight:800;margin-bottom:15px}
.footer-links{list-style:none;display:grid;gap:10px;font-size:13px}
.footer-links a{transition:var(--ease)}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#746b7b}
.back-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;background:var(--lime);color:var(--deep);border-radius:50%;font-weight:900;opacity:0;pointer-events:none;transition:var(--ease);z-index:10}
.back-top.show{opacity:1;pointer-events:auto}
@media(max-width:900px){
  .nav-links{gap:14px}
  .nav-links a{font-size:13px}
  .hero-grid{gap:40px}
  .faq-layout{gap:35px}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,600px)}
  .site-header,.navbar{height:68px}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:15px 20px 23px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 5px;border-bottom:1px solid var(--line)}
  .nav-links a:after{bottom:0}
  .nav-cta{display:none}
  .menu-toggle{display:block}
  .hero{padding:64px 0 58px}
  .hero-grid,.news-layout,.download-panel,.faq-layout{grid-template-columns:1fr}
  .hero h1{font-size:42px}
  .app-preview{max-width:520px;margin:5px auto 0;transform:none}
  .section{padding:70px 0}
  .section-head{display:block}
  .section-intro{margin-top:14px}
  .section-head .text-link{display:inline-block;margin-top:17px}
  .topic-layout{grid-template-columns:1fr}
  .topic-card.dark{grid-row:auto;min-height:260px}
  .download-panel{padding:35px 25px;gap:15px}
  .device-stage{margin-top:10px}
  .faq-layout{gap:30px}
  .cta-inner{display:block}
  .cta-actions{margin-top:22px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .container{width:calc(100% - 28px)}
  .hero h1{font-size:35px}
  .hero-copy{font-size:14px}
  .hero-actions,.download-actions{display:grid;grid-template-columns:1fr}
  .hero-actions a,.download-actions a{width:100%}
  .hero-facts{gap:15px;justify-content:space-between}
  .fact strong{font-size:18px}
  .signal-items{gap:9px}
  .signal-items span{font-size:12px}
  .signal-items span:before{font-size:14px}
  .feature-news{padding:24px;min-height:280px}
  .feature-news h3{font-size:22px}
  .news-list{padding:4px 17px}
  .news-item{gap:9px;padding:16px 0}
  .news-date{min-width:64px;font-size:11px}
  .news-item h4{font-size:13px}
  .topic-card{padding:24px}
  .download-panel h2{font-size:31px}
  .qr-card{right:0;bottom:15px}
  .footer-grid{grid-template-columns:1fr;gap:27px}
  .footer-bottom{display:block;line-height:1.8}
}

/* roulang page: category1 */
:root{
      --ink:#211d2b;
      --deep:#211a2b;
      --deep-2:#30233d;
      --lime:#c9f35b;
      --lime-dark:#a9d844;
      --orange:#f39a5d;
      --paper:#fbfaf8;
      --mist:#f0edf4;
      --muted:#777181;
      --line:#ded9e4;
      --white:#fff;
      --radius:18px;
      --small-radius:10px;
      --shadow:0 18px 50px rgba(38,26,50,.11);
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.7;
      overflow-x:hidden
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(1180px,calc(100% - 44px));margin:auto}
    .site-header{
      height:78px;
      background:rgba(251,250,248,.96);
      border-bottom:1px solid rgba(222,217,228,.7);
      position:relative;
      z-index:20
    }
    .navbar{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      font-size:18px;
      letter-spacing:-.04em;
      white-space:nowrap
    }
    .logo-mark{
      width:32px;
      height:32px;
      border-radius:9px;
      background:var(--deep);
      color:var(--lime);
      display:grid;
      place-items:center;
      font-size:13px;
      font-weight:900;
      box-shadow:4px 4px 0 var(--lime)
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:25px;
      margin-left:auto
    }
    .nav-links a{
      font-size:14px;
      color:#625d6b;
      position:relative;
      padding:27px 0 23px;
      transition:var(--ease)
    }
    .nav-links a:after{
      content:"";
      height:3px;
      width:0;
      background:var(--lime-dark);
      position:absolute;
      left:0;
      right:0;
      bottom:17px;
      transition:var(--ease)
    }
    .nav-links a:hover,
    .nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,
    .nav-links a.active:after{width:100%}
    .nav-cta,
    .btn-primary{
      background:var(--lime);
      color:var(--deep);
      font-weight:800;
      border-radius:10px;
      padding:12px 18px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      transition:var(--ease);
      box-shadow:0 7px 0 rgba(169,216,68,.25)
    }
    .nav-cta:hover,
    .btn-primary:hover{
      background:#d8ff70;
      transform:translateY(-2px);
      box-shadow:0 9px 0 rgba(169,216,68,.28)
    }
    .btn-primary:focus,
    .btn-secondary:focus,
    .nav-cta:focus,
    .menu-toggle:focus,
    .faq-question:focus{
      outline:3px solid rgba(201,243,91,.65);
      outline-offset:3px
    }
    .menu-toggle{
      display:none;
      background:var(--deep);
      color:var(--lime);
      width:43px;
      height:43px;
      border-radius:10px;
      font-size:21px
    }
    .hero{
      background:var(--deep);
      color:var(--white);
      position:relative;
      overflow:hidden;
      padding:84px 0 82px
    }
    .hero:before{
      content:"";
      position:absolute;
      width:620px;
      height:620px;
      border:1px solid rgba(201,243,91,.14);
      border-radius:50%;
      right:-180px;
      top:-285px;
      box-shadow:0 0 0 34px rgba(201,243,91,.035),0 0 0 78px rgba(201,243,91,.025)
    }
    .hero:after{
      content:"BRAND / NG28";
      position:absolute;
      right:6%;
      bottom:25px;
      color:rgba(255,255,255,.12);
      font:700 12px monospace;
      letter-spacing:.2em
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      align-items:center;
      gap:72px;
      position:relative;
      z-index:1
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:var(--lime);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      margin-bottom:20px
    }
    .eyebrow:before{
      content:"";
      width:24px;
      height:3px;
      background:var(--lime);
      border-radius:3px
    }
    .hero h1{
      font-size:clamp(36px,5vw,62px);
      line-height:1.16;
      letter-spacing:-.065em;
      max-width:680px;
      margin:0 0 23px
    }
    .hero h1 em{
      font-style:normal;
      color:var(--lime)
    }
    .hero-copy{
      color:#c8c0d0;
      max-width:590px;
      font-size:16px;
      line-height:1.9;
      margin:0
    }
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:32px
    }
    .btn-secondary{
      border:1px solid rgba(255,255,255,.3);
      color:#fff;
      border-radius:10px;
      padding:11px 18px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      transition:var(--ease)
    }
    .btn-secondary:hover{
      border-color:var(--lime);
      color:var(--lime);
      transform:translateY(-2px)
    }
    .hero-facts{
      display:flex;
      gap:30px;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.14)
    }
    .hero-facts strong{
      display:block;
      color:var(--lime);
      font:800 24px/1.2 ui-monospace,SFMono-Regular,monospace
    }
    .hero-facts span{
      color:#aaa0b6;
      font-size:12px
    }
    .brand-panel{
      min-height:350px;
      padding:27px;
      background:#30233d;
      border:1px solid rgba(255,255,255,.12);
      border-radius:22px;
      position:relative;
      box-shadow:0 24px 55px rgba(0,0,0,.18)
    }
    .panel-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      color:#b9b0c3;
      font-size:12px;
      border-bottom:1px solid rgba(255,255,255,.12);
      padding-bottom:18px
    }
    .panel-status{
      color:var(--lime);
      display:inline-flex;
      align-items:center;
      gap:7px
    }
    .panel-status:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--lime)
    }
    .panel-heading{
      font-size:29px;
      line-height:1.3;
      letter-spacing:-.06em;
      margin:28px 0 25px
    }
    .panel-heading b{color:var(--lime)}
    .panel-line{
      display:flex;
      justify-content:space-between;
      gap:15px;
      padding:14px 0;
      border-top:1px solid rgba(255,255,255,.1);
      color:#d9d2df;
      font-size:13px
    }
    .panel-line small{color:#a9a0b2}
    .panel-note{
      background:#211a2b;
      border-radius:10px;
      margin-top:17px;
      padding:14px;
      color:#bbb2c4;
      font-size:12px
    }
    .section{padding:92px 0}
    .section-muted{background:var(--mist)}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:25px;
      margin-bottom:34px
    }
    .section-kicker{
      color:#8c8194;
      font:700 12px monospace;
      letter-spacing:.12em;
      text-transform:uppercase;
      margin-bottom:9px
    }
    .section h2{
      font-size:clamp(28px,3vw,42px);
      line-height:1.2;
      letter-spacing:-.055em;
      margin:0
    }
    .section-intro{
      max-width:490px;
      color:var(--muted);
      font-size:14px;
      margin:0
    }
    .crumbs{
      padding:22px 0 0;
      color:#918897;
      font-size:13px
    }
    .crumbs a:hover{color:var(--ink)}
    .crumbs span{margin:0 9px;color:#bbb3c1}
    .signal-band{
      background:#fff;
      border-bottom:1px solid var(--line);
      padding:19px 0
    }
    .signal-items{
      display:flex;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
      font-size:13px;
      font-weight:800
    }
    .signal-items span{
      display:inline-flex;
      align-items:center;
      display:inline-flex;
      align-items:center;
      gap:8px
    }
    .signal-items span:before{
      content:"↗";
      color:var(--lime-dark);
      font-size:17px
    }
    .brand-intro{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:28px;
      align-items:stretch
    }
    .intro-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:34px;
      transition:var(--ease)
    }
    .intro-card:hover{
      border-color:var(--lime-dark);
      box-shadow:var(--shadow);
      transform:translateY(-3px)
    }
    .intro-card h3{
      font-size:25px;
      letter-spacing:-.045em;
      margin:0 0 15px
    }
    .intro-card p{
      color:var(--muted);
      font-size:15px;
      margin:0;
      line-height:1.9
    }
    .intro-card.dark{
      background:var(--deep);
      color:#fff;
      border-color:var(--deep)
    }
    .intro-card.dark p{color:#c9c0d1}
    .intro-label{
      color:var(--orange);
      font-size:12px;
      font-weight:800;
      margin-bottom:17px
    }
    .intro-card.dark .intro-label{color:var(--lime)}
    .brand-points{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:26px
    }
    .brand-point{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      border-radius:12px;
      padding:15px
    }
    .brand-point strong{
      display:block;
      font-size:14px;
      margin-bottom:3px
    }
    .brand-point span{
      color:#aaa0b6;
      font-size:12px
    }
    .brand-mark-panel{
      min-height:100%;
      background:#f6dfcc;
      border-radius:var(--radius);
      padding:34px;
      position:relative;
      overflow:hidden
    }
    .brand-mark-panel:after{
      content:"NG28";
      position:absolute;
      right:-13px;
      bottom:-20px;
      color:rgba(33,29,43,.09);
      font:900 100px/1 ui-monospace,SFMono-Regular,monospace;
      letter-spacing:-.1em
    }
    .brand-mark-panel h3{
      max-width:260px;
      font-size:30px;
      line-height:1.25;
      letter-spacing:-.06em;
      margin:0 0 17px;
      position:relative;
      z-index:1
    }
    .brand-mark-panel p{
      max-width:300px;
      color:#6d5b5d;
      font-size:14px;
      position:relative;
      z-index:1
    }
    .content-split{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:30px;
      align-items:start
    }
    .side-heading{
      position:sticky;
      top:25px
    }
    .side-heading p{
      color:var(--muted);
      font-size:14px;
      max-width:280px;
      margin:16px 0 25px
    }
    .mini-index{
      border-left:2px solid var(--line);
      padding-left:17px;
      display:grid;
      gap:11px
    }
    .mini-index a{
      color:#746b7b;
      font-size:13px;
      transition:var(--ease)
    }
    .mini-index a:hover{
      color:var(--ink);
      padding-left:4px
    }
    .info-stack{
      display:grid;
      gap:14px
    }
    .info-row{
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      padding:23px 25px;
      display:grid;
      grid-template-columns:58px 1fr auto;
      gap:18px;
      align-items:center;
      transition:var(--ease)
    }
    .info-row:hover{
      border-color:var(--lime-dark);
      box-shadow:0 12px 30px rgba(38,26,50,.08);
      transform:translateX(3px)
    }
    .info-number{
      width:44px;
      height:44px;
      border-radius:12px;
      background:var(--mist);
      display:grid;
      place-items:center;
      color:#705779;
      font:800 15px ui-monospace,SFMono-Regular,monospace
    }
    .info-row:nth-child(2) .info-number{
      background:var(--lime);
      color:var(--deep)
    }
    .info-row:nth-child(3) .info-number{
      background:#f6dfcc;
      color:#8a5a43
    }
    .info-row h3{
      font-size:17px;
      margin:0 0 4px;
      letter-spacing:-.025em
    }
    .info-row p{
      color:var(--muted);
      font-size:13px;
      margin:0
    }
    .info-arrow{
      color:#8d8193;
      font-size:23px;
      transition:var(--ease)
    }
    .info-row:hover .info-arrow{
      color:var(--lime-dark);
      transform:translateX(4px)
    }
    .quote-band{
      background:var(--deep);
      color:#fff;
      padding:70px 0
    }
    .quote-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:70px;
      align-items:center
    }
    .quote-wrap h2{
      font-size:clamp(28px,4vw,48px);
      letter-spacing:-.06em;
      line-height:1.22;
      margin:0
    }
    .quote-wrap h2 em{
      color:var(--lime);
      font-style:normal
    }
    .quote-wrap p{
      color:#c4bbcc;
      font-size:15px;
      line-height:1.9;
      margin:0 0 23px
    }
    .quote-list{
      display:grid;
      gap:12px
    }
    .quote-list div{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#e6e0e9;
      font-size:14px
    }
    .quote-list b{
      color:var(--lime);
      font-size:17px;
      line-height:1.5
    }
    .faq-list{
      max-width:850px;
      margin:auto;
      display:grid;
      gap:12px
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      overflow:hidden;
      transition:var(--ease)
    }
    .faq-item[open]{
      border-color:var(--lime-dark);
      box-shadow:0 10px 28px rgba(38,26,50,.07)
    }
    .faq-question{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:20px;
      width:100%;
      padding:20px 23px;
      background:#fff;
      color:var(--ink);
      font-weight:800;
      text-align:left;
      list-style:none
    }
    .faq-question::-webkit-details-marker{display:none}
    .faq-question:after{
      content:"+";
      color:#8d8193;
      font-size:22px;
      font-weight:400;
      transition:var(--ease)
    }
    .faq-item[open] .faq-question:after{
      content:"−";
      color:var(--lime-dark)
    }
    .faq-answer{
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
      padding:0 23px 21px
    }
    .cta{
      padding:76px 0;
      background:#f6dfcc
    }
    .cta-box{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
      background:var(--deep);
      color:#fff;
      padding:38px 42px;
      border-radius:var(--radius);
      position:relative;
      overflow:hidden
    }
    .cta-box:after{
      content:"";
      width:260px;
      height:260px;
      border:1px solid rgba(201,243,91,.2);
      border-radius:50%;
      position:absolute;
      right:80px;
      top:-160px
    }
    .cta-box h2{
      font-size:clamp(25px,3vw,38px);
      letter-spacing:-.055em;
      margin:0 0 8px;
      position:relative;
      z-index:1
    }
    .cta-box p{
      color:#c7bdce;
      font-size:14px;
      margin:0;
      position:relative;
      z-index:1
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      position:relative;
      z-index:2
    }
    .site-footer{
      background:var(--deep);
      color:#fff;
      padding:62px 0 25px
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:35px;
      padding-bottom:48px
    }
    .footer-brand p{
      color:#aaa0b6;
      max-width:300px;
      font-size:13px;
      margin:18px 0 0
    }
    .footer-title{
      color:var(--lime);
      font-size:13px;
      font-weight:800;
      margin-bottom:15px
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px
    }
    .footer-links a{
      color:#bcb3c4;
      font-size:13px;
      transition:var(--ease)
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:3px
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.12);
      padding-top:20px;
      display:flex;
      justify-content:space-between;
      gap:20px;
      color:#8f8697;
      font-size:12px
    }
    @media(max-width:1024px){
      .nav-links{gap:15px}
      .hero-grid{gap:42px}
      .container{width:min(100% - 36px,1180px)}
    }
    @media(max-width:768px){
      .site-header,.navbar{height:70px}
      .nav-links{
        display:none;
        position:absolute;
        left:18px;
        right:18px;
        top:78px;
        padding:12px 17px 19px;
        background:var(--paper);
        border:1px solid var(--line);
        border-radius:14px;
        box-shadow:var(--shadow);
        flex-direction:column;
        align-items:stretch;
        gap:0
      }
      .nav-links.open{display:flex}
      .nav-links a{
        padding:13px 5px;
        border-bottom:1px solid var(--line)
      }
      .nav-links a:last-child{border-bottom:0}
      .nav-links a:after{bottom:0}
      .nav-cta{display:none}
      .menu-toggle{display:block}
      .hero{padding:62px 0 58px}
      .hero-grid,
      .brand-intro,
      .content-split,
      .quote-wrap{
        grid-template-columns:1fr;
        gap:28px
      }
      .hero h1{font-size:clamp(35px,10vw,52px)}
      .hero-facts{gap:22px;flex-wrap:wrap;margin-top:31px}
      .brand-panel{min-height:0}
      .section{padding:68px 0}
      .section-head{
        display:block;
        margin-bottom:25px
      }
      .section-intro{margin-top:14px}
      .side-heading{position:static}
      .mini-index{display:none}
      .quote-band{padding:60px 0}
      .cta-box{
        display:block;
        padding:30px 25px
      }
      .cta-actions{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 30px)}
      .logo{font-size:16px}
      .logo-mark{width:29px;height:29px}
      .hero h1{font-size:34px}
      .hero-copy{font-size:14px}
      .hero-actions a{width:100%}
      .brand-panel,.intro-card,.brand-mark-panel{padding:24px}
      .brand-points{grid-template-columns:1fr}
      .info-row{
        grid-template-columns:43px 1fr;
        gap:13px;
        padding:18px
      }
      .info-arrow{display:none}
      .info-row h3{font-size:15px}
      .info-row p{font-size:12px}
      .quote-wrap h2{font-size:31px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{
        display:grid;
        gap:7px
      }
    }

/* roulang page: article */
:root{
      --ink:#211d2b;
      --deep:#211a2b;
      --deep-2:#30233d;
      --lime:#c9f35b;
      --lime-dark:#a9d844;
      --orange:#f39a5d;
      --paper:#fbfaf8;
      --mist:#f0edf4;
      --muted:#777181;
      --line:#ded9e4;
      --white:#fff;
      --radius:18px;
      --small-radius:10px;
      --shadow:0 18px 50px rgba(38,26,50,.11);
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    ul{padding:0;margin:0;list-style:none}
    .container{width:min(1180px,calc(100% - 44px));margin:auto}

    .site-header{
      height:78px;
      background:rgba(251,250,248,.96);
      border-bottom:1px solid rgba(222,217,228,.78);
      position:relative;
      z-index:20;
    }
    .navbar{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      font-size:18px;
      letter-spacing:-.04em;
      white-space:nowrap;
    }
    .logo-mark{
      width:32px;
      height:32px;
      border-radius:9px;
      background:var(--deep);
      color:var(--lime);
      display:grid;
      place-items:center;
      font-size:13px;
      font-weight:900;
      box-shadow:4px 4px 0 var(--lime);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:25px;
      margin-left:auto;
    }
    .nav-links a{
      font-size:14px;
      color:#625d6b;
      position:relative;
      padding:27px 0 23px;
      transition:var(--ease);
    }
    .nav-links a:after{
      content:"";
      height:3px;
      width:0;
      background:var(--lime-dark);
      position:absolute;
      left:0;
      right:0;
      bottom:17px;
      transition:var(--ease);
    }
    .nav-links a:hover,
    .nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,
    .nav-links a.active:after{width:100%}
    .nav-cta,
    .btn-primary{
      background:var(--lime);
      color:var(--deep);
      font-weight:800;
      border-radius:10px;
      padding:12px 18px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      transition:var(--ease);
      box-shadow:0 7px 0 rgba(169,216,68,.25);
    }
    .nav-cta:hover,
    .btn-primary:hover{
      background:#d8ff70;
      color:var(--deep);
      transform:translateY(-2px);
      box-shadow:0 9px 0 rgba(169,216,68,.28);
    }
    .nav-cta:focus,
    .btn-primary:focus,
    .btn-secondary:focus,
    .menu-toggle:focus,
    .text-link:focus{
      outline:3px solid rgba(201,243,91,.6);
      outline-offset:4px;
    }
    .menu-toggle{
      display:none;
      background:var(--deep);
      color:var(--lime);
      width:43px;
      height:43px;
      border-radius:10px;
      font-size:21px;
    }

    .article-hero{
      background:var(--deep);
      color:var(--white);
      position:relative;
      overflow:hidden;
      padding:64px 0 72px;
    }
    .article-hero:before{
      content:"";
      position:absolute;
      width:560px;
      height:560px;
      border:1px solid rgba(201,243,91,.13);
      border-radius:50%;
      right:-180px;
      top:-270px;
      box-shadow:
        0 0 0 32px rgba(201,243,91,.035),
        0 0 0 75px rgba(201,243,91,.025);
    }
    .article-hero:after{
      content:"NG28 / ARTICLE";
      position:absolute;
      right:7%;
      bottom:25px;
      color:rgba(255,255,255,.1);
      font:700 12px monospace;
      letter-spacing:.2em;
    }
    .article-head{
      max-width:900px;
      position:relative;
      z-index:1;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:25px;
      color:#a9a0b3;
      font-size:13px;
    }
    .breadcrumb a{
      color:#d7d1dc;
      transition:var(--ease);
    }
    .breadcrumb a:hover{color:var(--lime)}
    .breadcrumb .separator{color:#71667e}
    .article-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--lime);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em;
      margin-bottom:18px;
    }
    .article-label:before{
      content:"";
      width:25px;
      height:3px;
      background:var(--lime);
      border-radius:3px;
    }
    .article-head h1{
      max-width:850px;
      margin:0;
      font-size:clamp(34px,5vw,62px);
      line-height:1.18;
      letter-spacing:-.065em;
      overflow-wrap:anywhere;
    }
    .article-head h1 em{
      color:var(--lime);
      font-style:normal;
    }
    .article-summary{
      max-width:750px;
      color:#c9c1d0;
      margin:24px 0 0;
      font-size:16px;
      line-height:1.9;
    }
    .article-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:18px;
      margin-top:30px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.14);
      color:#aaa0b1;
      font-size:13px;
    }
    .article-meta strong{
      color:#fff;
      font-weight:700;
    }
    .meta-dot{
      width:5px;
      height:5px;
      background:var(--orange);
      border-radius:50%;
    }

    .article-layout{
      display:grid;
      grid-template-columns:230px minmax(0,780px);
      justify-content:center;
      gap:55px;
      padding:78px 0 92px;
    }
    .article-aside{
      position:relative;
    }
    .aside-card{
      position:sticky;
      top:25px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      padding:22px;
    }
    .aside-title{
      color:#8c8194;
      font:700 11px monospace;
      letter-spacing:.12em;
      margin-bottom:15px;
    }
    .aside-card a{
      display:block;
      padding:10px 0;
      border-bottom:1px solid var(--line);
      color:#665d6d;
      font-size:14px;
      transition:var(--ease);
    }
    .aside-card a:last-child{border-bottom:0}
    .aside-card a:hover{
      padding-left:5px;
      color:var(--ink);
    }
    .aside-card a:before{
      content:"—";
      color:var(--lime-dark);
      margin-right:7px;
    }

    .article-content{
      min-width:0;
      font-size:16px;
      color:#403a49;
    }
    .article-content > :first-child{margin-top:0}
    .article-content h2,
    .article-content h3,
    .article-content h4{
      color:var(--ink);
      line-height:1.35;
      letter-spacing:-.04em;
      margin:38px 0 15px;
    }
    .article-content h2{font-size:30px}
    .article-content h3{font-size:24px}
    .article-content h4{font-size:19px}
    .article-content p{margin:0 0 22px}
    .article-content ul,
    .article-content ol{
      margin:20px 0 25px;
      padding-left:25px;
    }
    .article-content ul{list-style:disc}
    .article-content ol{list-style:decimal}
    .article-content li{padding:4px 0}
    .article-content blockquote{
      margin:30px 0;
      padding:20px 24px;
      border-left:4px solid var(--lime-dark);
      border-radius:0 var(--small-radius) var(--small-radius) 0;
      background:var(--mist);
      color:#5e5666;
    }
    .article-content img{
      width:100%;
      border-radius:var(--radius);
      margin:30px 0;
      background:var(--mist);
      min-height:180px;
      object-fit:cover;
    }
    .article-content table{
      width:100%;
      margin:28px 0;
      border-collapse:collapse;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--small-radius);
      overflow:hidden;
    }
    .article-content th,
    .article-content td{
      text-align:left;
      padding:13px 15px;
      border-bottom:1px solid var(--line);
    }
    .article-content th{
      background:var(--mist);
      color:var(--ink);
      font-weight:800;
    }
    .article-content hr{
      border:0;
      border-top:1px solid var(--line);
      margin:38px 0;
    }
    .article-empty{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:58px 35px;
      text-align:center;
    }
    .empty-icon{
      width:56px;
      height:56px;
      margin:0 auto 18px;
      border-radius:16px;
      background:var(--mist);
      color:#83758d;
      display:grid;
      place-items:center;
      font-size:25px;
    }
    .article-empty h2{
      margin:0 0 10px;
      font-size:27px;
      letter-spacing:-.04em;
    }
    .article-empty p{
      margin:0 auto 25px;
      color:var(--muted);
      font-size:14px;
    }

    .article-bottom{
      padding:0 0 92px;
    }
    .related-panel{
      background:var(--mist);
      border-radius:var(--radius);
      padding:34px;
    }
    .section-kicker{
      color:#8c8194;
      font:700 12px monospace;
      letter-spacing:.12em;
      text-transform:uppercase;
      margin-bottom:9px;
    }
    .related-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:20px;
      margin-bottom:23px;
    }
    .related-head h2{
      margin:0;
      font-size:30px;
      line-height:1.2;
      letter-spacing:-.05em;
    }
    .related-list{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:14px;
    }
    .related-main,
    .related-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      transition:var(--ease);
    }
    .related-main{
      min-height:180px;
      padding:25px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .related-main:hover,
    .related-item:hover{
      border-color:var(--lime-dark);
      transform:translateY(-3px);
      box-shadow:var(--shadow);
    }
    .related-main h3{
      margin:13px 0 8px;
      font-size:22px;
      line-height:1.4;
      letter-spacing:-.04em;
    }
    .related-main p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .related-stack{display:grid;gap:14px}
    .related-item{
      display:flex;
      align-items:center;
      gap:15px;
      padding:18px 20px;
      min-height:83px;
    }
    .related-item .mini-mark{
      width:34px;
      height:34px;
      flex:none;
      border-radius:10px;
      background:var(--deep);
      color:var(--lime);
      display:grid;
      place-items:center;
      font:800 12px monospace;
    }
    .related-item strong{
      font-size:14px;
      line-height:1.5;
    }
    .related-item span{
      display:block;
      color:#958b9a;
      font-size:11px;
      margin-top:3px;
    }

    .article-actions{
      display:flex;
      justify-content:center;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      margin-top:38px;
    }
    .btn-secondary{
      border:1px solid rgba(33,29,43,.2);
      color:var(--ink);
      border-radius:10px;
      padding:11px 18px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      transition:var(--ease);
      background:transparent;
      font-weight:700;
    }
    .btn-secondary:hover{
      border-color:var(--deep);
      background:#fff;
      color:var(--deep);
      transform:translateY(-2px);
    }

    .download-strip{
      background:var(--deep);
      color:#fff;
      padding:48px 0;
    }
    .download-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
    }
    .download-inner h2{
      margin:0 0 8px;
      font-size:30px;
      letter-spacing:-.05em;
    }
    .download-inner p{
      color:#c9c1d0;
      margin:0;
      font-size:14px;
    }
    .download-inner .btn-primary{white-space:nowrap}

    .site-footer{
      background:#17131e;
      color:#fff;
      padding:58px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.6fr 1fr 1fr 1fr;
      gap:35px;
      padding-bottom:45px;
    }
    .footer-brand .logo{color:#fff}
    .footer-brand p{
      max-width:330px;
      color:#aaa2b0;
      font-size:13px;
      margin:20px 0 0;
      line-height:1.8;
    }
    .footer-title{
      font-size:13px;
      color:#fff;
      font-weight:800;
      margin-bottom:14px;
    }
    .footer-links li{margin:8px 0}
    .footer-links a{
      color:#aaa2b0;
      font-size:13px;
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
      padding-top:21px;
      border-top:1px solid rgba(255,255,255,.1);
      color:#817988;
      font-size:12px;
    }

    .back-top{
      position:fixed;
      right:22px;
      bottom:22px;
      width:43px;
      height:43px;
      border-radius:12px;
      background:var(--lime);
      color:var(--deep);
      font-weight:900;
      opacity:0;
      visibility:hidden;
      transform:translateY(10px);
      transition:var(--ease);
      z-index:15;
      box-shadow:0 8px 22px rgba(33,26,43,.18);
    }
    .back-top.show{
      opacity:1;
      visibility:visible;
      transform:translateY(0);
    }
    .back-top:hover{background:#ddff78}

    @media (max-width:1024px){
      .nav-links{gap:16px}
      .nav-links a{font-size:13px}
      .nav-cta{padding:11px 14px;font-size:13px}
      .article-layout{grid-template-columns:190px minmax(0,1fr);gap:35px}
    }

    @media (max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .site-header,.navbar{height:70px}
      .navbar{gap:12px}
      .logo{font-size:16px}
      .logo-mark{width:30px;height:30px}
      .nav-cta{display:none}
      .menu-toggle{display:block}
      .nav-links{
        position:absolute;
        display:none;
        top:70px;
        left:0;
        right:0;
        margin:0;
        padding:13px 16px 20px;
        background:var(--paper);
        border-bottom:1px solid var(--line);
        box-shadow:0 15px 28px rgba(38,26,50,.1);
        align-items:stretch;
        flex-direction:column;
        gap:0;
      }
      .nav-links.open{display:flex}
      .nav-links a{
        padding:14px 5px;
        border-bottom:1px solid var(--line);
      }
      .nav-links a:last-child{border-bottom:0}
      .nav-links a:after{bottom:5px}
      .nav-links:before{
        content:"下载南宫娱乐 APP";
        display:block;
        background:var(--lime);
        color:var(--deep);
        border-radius:10px;
        padding:11px;
        text-align:center;
        font-weight:800;
        margin-bottom:8px;
      }
      .article-hero{padding:45px 0 52px}
      .article-head h1{font-size:clamp(32px,9vw,48px)}
      .article-summary{font-size:15px}
      .article-layout{
        display:block;
        padding:48px 0 60px;
      }
      .article-aside{margin-bottom:30px}
      .aside-card{position:static}
      .article-content{font-size:15px}
      .article-content h2{font-size:26px}
      .article-content h3{font-size:21px}
      .related-list{grid-template-columns:1fr}
      .download-inner{align-items:flex-start;flex-direction:column}
      .download-inner h2{font-size:26px}
      .footer-grid{grid-template-columns:1.4fr 1fr;gap:30px}
    }

    @media (max-width:520px){
      .container{width:calc(100% - 28px)}
      .logo{font-size:14px;gap:8px}
      .logo-mark{box-shadow:3px 3px 0 var(--lime)}
      .breadcrumb{font-size:12px}
      .article-meta{gap:11px}
      .article-empty{padding:44px 21px}
      .related-panel{padding:23px 17px}
      .related-head{display:block}
      .related-head h2{font-size:26px}
      .related-main{padding:20px}
      .article-actions{align-items:stretch;flex-direction:column}
      .article-actions a{width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:26px 18px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:7px}
      .back-top{right:15px;bottom:15px}
    }

/* roulang page: category3 */
:root{
      --ink:#211d2b;
      --deep:#211a2b;
      --deep-2:#30233d;
      --lime:#c9f35b;
      --lime-dark:#a9d844;
      --orange:#f39a5d;
      --paper:#fbfaf8;
      --mist:#f0edf4;
      --muted:#777181;
      --line:#ded9e4;
      --white:#fff;
      --radius:18px;
      --small-radius:10px;
      --shadow:0 18px 50px rgba(38,26,50,.11);
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(1180px,calc(100% - 44px));margin:auto}
    .site-header{height:78px;background:rgba(251,250,248,.96);border-bottom:1px solid rgba(222,217,228,.7);position:relative;z-index:20}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:32px;height:32px;border-radius:9px;background:var(--deep);color:var(--lime);display:grid;place-items:center;font-size:13px;font-weight:900;box-shadow:4px 4px 0 var(--lime)}
    .nav-links{display:flex;align-items:center;gap:25px;margin-left:auto}
    .nav-links a{font-size:14px;color:#625d6b;position:relative;padding:27px 0 23px;transition:var(--ease)}
    .nav-links a:after{content:"";height:3px;width:0;background:var(--lime-dark);position:absolute;left:0;right:0;bottom:17px;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{width:100%}
    .nav-cta,.btn-primary{background:var(--lime);color:var(--deep);font-weight:800;border-radius:10px;padding:12px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease);box-shadow:0 7px 0 rgba(169,216,68,.25)}
    .nav-cta:hover,.btn-primary:hover{background:#d8ff70;transform:translateY(-2px);box-shadow:0 9px 0 rgba(169,216,68,.28)}
    .menu-toggle{display:none;background:var(--deep);color:var(--lime);width:43px;height:43px;border-radius:10px;font-size:21px}
    .hero{background:var(--deep);color:var(--white);position:relative;overflow:hidden;padding:76px 0 82px}
    .hero:before{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(201,243,91,.13);border-radius:50%;right:-160px;top:-230px;box-shadow:0 0 0 32px rgba(201,243,91,.035),0 0 0 75px rgba(201,243,91,.025)}
    .hero:after{content:"APP / NG28";position:absolute;right:6%;bottom:25px;color:rgba(255,255,255,.1);font:700 12px monospace;letter-spacing:.2em}
    .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:72px;position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:20px}
    .eyebrow:before{content:"";width:24px;height:3px;background:var(--lime);border-radius:3px}
    .hero h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-.065em;max-width:650px;margin:0 0 22px}
    .hero h1 em{font-style:normal;color:var(--lime)}
    .hero-copy{color:#c8c0d0;max-width:560px;font-size:16px;line-height:1.9}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .btn-secondary{border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:10px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;transition:var(--ease)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .btn-primary:focus,.btn-secondary:focus,.nav-cta:focus,.faq-question:focus,.menu-toggle:focus{outline:3px solid rgba(201,243,91,.55);outline-offset:3px}
    .hero-facts{display:flex;gap:30px;margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14)}
    .fact strong{display:block;font-size:21px;color:var(--lime);font-family:monospace}
    .fact span{font-size:12px;color:#aaa0b6}
    .app-stage{min-height:400px;display:flex;align-items:center;justify-content:center;position:relative}
    .app-card{width:min(100%,430px);background:#30233d;border:1px solid rgba(255,255,255,.15);border-radius:24px;padding:24px;box-shadow:0 24px 60px rgba(0,0,0,.28);transform:rotate(2deg)}
    .app-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;color:#d8d1df;font-size:12px}
    .app-top b{font-size:18px;color:#fff}
    .app-screen{background:#201a2a;border-radius:16px;padding:20px}
    .screen-label{color:var(--lime);font-size:11px;font-weight:800;letter-spacing:.1em}
    .screen-title{font-size:26px;font-weight:800;line-height:1.25;margin:8px 0 20px}
    .screen-line{height:9px;background:#493d55;border-radius:6px;margin:10px 0;width:82%}
    .screen-line.short{width:55%}
    .screen-row{display:flex;gap:10px;align-items:center;padding:14px 0;border-top:1px solid rgba(255,255,255,.1)}
    .screen-dot{width:10px;height:10px;border-radius:50%;background:var(--lime)}
    .screen-row:nth-child(3) .screen-dot{background:var(--orange)}
    .screen-row small{color:#b9b0c3}
    .version-chip{color:var(--lime);margin-left:auto;font:11px monospace}
    .screen-button{margin-top:15px;background:var(--lime);color:var(--deep);text-align:center;padding:11px;border-radius:9px;font-weight:800;font-size:13px}
    .section{padding:90px 0}
    .mist-section{background:var(--mist)}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:25px;margin-bottom:34px}
    .section-kicker{color:#8c8194;font:700 12px monospace;letter-spacing:.12em;text-transform:uppercase;margin-bottom:9px}
    .section h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.055em;margin:0}
    .section-intro{max-width:470px;color:var(--muted);font-size:14px}
    .text-link{font-weight:800;font-size:14px;border-bottom:2px solid var(--lime-dark);padding-bottom:4px;white-space:nowrap}
    .signal-band{padding:25px 0;background:#fff;border-bottom:1px solid var(--line)}
    .signal-items{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;font-weight:800}
    .signal-items span{display:inline-flex;align-items:center;gap:8px}
    .signal-items span:before{content:"↗";font-size:17px;color:#8aa92e}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .feature-panel,.info-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;transition:var(--ease)}
    .feature-panel:hover,.info-panel:hover{border-color:var(--lime-dark);box-shadow:var(--shadow);transform:translateY(-3px)}
    .feature-panel h3,.info-panel h3{font-size:25px;line-height:1.35;margin:12px 0}
    .feature-panel p,.info-panel p{color:var(--muted);font-size:14px}
    .feature-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:25px}
    .feature-list div{padding:14px;background:var(--mist);border-radius:10px;font-size:13px;font-weight:700}
    .feature-list b{display:block;color:#8ea82e;font-size:19px;font-family:monospace}
    .tag{border-radius:7px;background:var(--mist);color:#62536d;padding:5px 9px;font-size:11px;font-weight:800;display:inline-block}
    .tag.lime{background:var(--lime);color:var(--deep)}
    .steps{display:grid;grid-template-columns:1fr 1.3fr;gap:65px;align-items:start}
    .steps-copy{max-width:390px}
    .steps-copy p{color:var(--muted);font-size:15px}
    .step-list{border-top:1px solid var(--line)}
    .step{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:24px 0;border-bottom:1px solid var(--line)}
    .step-number{width:38px;height:38px;border-radius:10px;background:var(--deep);color:var(--lime);display:grid;place-items:center;font:700 14px monospace}
    .step h3{font-size:17px;margin:0 0 4px}
    .step p{color:var(--muted);font-size:13px;margin:0}
    .device-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .device-card{padding:25px;border-radius:var(--radius);background:var(--deep);color:#fff;min-height:190px}
    .device-card.light{background:#f6dfcc;color:var(--ink)}
    .device-card h3{margin:12px 0 7px;font-size:20px}
    .device-card p{font-size:13px;color:#c8c0d0;margin:0}
    .device-card.light p{color:#6e5a58}
    .faq-wrap{max-width:850px;margin:auto}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
    .faq-question{width:100%;background:transparent;text-align:left;padding:20px 23px;font-weight:800;color:var(--ink);display:flex;justify-content:space-between;align-items:center}
    .faq-question span:last-child{font-size:23px;color:#9aaf45;transition:var(--ease)}
    .faq-answer{display:none;padding:0 23px 20px;color:var(--muted);font-size:14px}
    .faq-item.open{border-color:var(--lime-dark)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--deep);color:#fff;padding:65px 0 65px;position:relative;overflow:hidden}
    .cta:after{content:"NG28";position:absolute;right:7%;top:18px;color:rgba(255,255,255,.06);font:900 100px monospace;letter-spacing:-.12em}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;z-index:1}
    .cta h2{font-size:clamp(28px,3vw,40px);line-height:1.25;margin:0 0 10px;letter-spacing:-.05em}
    .cta p{color:#c8c0d0;font-size:14px;margin:0;max-width:570px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
    .site-footer{background:#17131e;color:#fff;padding:57px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-brand p{color:#aaa0b6;max-width:330px;font-size:13px;margin:20px 0 0}
    .footer-title{font-size:13px;font-weight:800;color:var(--lime);margin-bottom:15px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:9px 0}
    .footer-links a{font-size:13px;color:#aaa0b6;transition:var(--ease)}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:19px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#817989;font-size:12px}
    .page-hero{background:var(--deep);color:#fff;padding:62px 0 58px;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;right:10%;top:-150px;width:360px;height:360px;border:1px solid rgba(201,243,91,.16);border-radius:50%;box-shadow:0 0 0 28px rgba(201,243,91,.035),0 0 0 62px rgba(201,243,91,.025)}
    .breadcrumb{position:relative;z-index:1;color:#aaa0b6;font-size:13px;margin-bottom:23px}
    .breadcrumb a:hover{color:var(--lime)}
    .breadcrumb span{margin:0 8px;color:#6e6377}
    .page-hero h1{position:relative;z-index:1;max-width:780px;font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-.065em;margin:0 0 18px}
    .page-hero h1 em{font-style:normal;color:var(--lime)}
    .page-hero p{position:relative;z-index:1;max-width:680px;color:#c8c0d0;font-size:16px;margin:0}
    .download-overview{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
    .download-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
    .download-panel h2{font-size:29px;line-height:1.3;letter-spacing:-.05em;margin:13px 0}
    .download-panel p{font-size:14px;color:var(--muted)}
    .download-meta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}
    .meta-box{background:var(--mist);border-radius:10px;padding:12px 15px;min-width:112px}
    .meta-box small{display:block;color:#8e8494;font-size:11px}
    .meta-box strong{display:block;margin-top:3px;font-family:monospace;font-size:14px}
    .download-panel .btn-primary{margin-top:8px}
    .download-note{font-size:12px!important;color:#948b99!important;margin-top:15px}
    .qr-panel{background:var(--deep);color:#fff;border-radius:var(--radius);padding:34px;display:flex;align-items:center;gap:28px;position:relative;overflow:hidden}
    .qr-panel:after{content:"APP";position:absolute;right:-15px;bottom:-40px;color:rgba(255,255,255,.06);font:900 120px monospace}
    .qr-code{width:166px;height:166px;background:#fff;border-radius:12px;padding:12px;display:grid;place-items:center;flex-shrink:0;position:relative;z-index:1}
    .qr-pattern{width:100%;height:100%;background:linear-gradient(90deg,#211a2b 12%,transparent 12% 25%,#211a2b 25% 38%,transparent 38% 53%,#211a2b 53% 68%,transparent 68% 80%,#211a2b 80%),linear-gradient(#211a2b 12%,transparent 12% 25%,#211a2b 25% 38%,transparent 38% 53%,#211a2b 53% 68%,transparent 68% 80%,#211a2b 80%);opacity:.88}
    .qr-copy{position:relative;z-index:1}
    .qr-copy h3{font-size:21px;margin:0 0 9px}
    .qr-copy p{font-size:13px;color:#c8c0d0;margin:0}
    .app-features{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
    .app-feature{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;transition:var(--ease)}
    .app-feature:hover{border-color:var(--lime-dark);box-shadow:var(--shadow);transform:translateY(-3px)}
    .feature-icon{width:42px;height:42px;border-radius:12px;background:var(--mist);color:#6d8050;display:grid;place-items:center;font-weight:900;font-family:monospace}
    .app-feature h3{font-size:17px;margin:17px 0 7px}
    .app-feature p{font-size:13px;color:var(--muted);margin:0}
    .download-banner{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#f6dfcc;border-radius:var(--radius);padding:30px 34px}
    .download-banner h2{font-size:25px;margin:0 0 6px;letter-spacing:-.04em}
    .download-banner p{font-size:13px;color:#6e5a58;margin:0}
    .btn-dark{background:var(--deep);color:#fff;font-weight:800;border-radius:10px;padding:12px 19px;display:inline-flex;align-items:center;justify-content:center;transition:var(--ease);white-space:nowrap}
    .btn-dark:hover{background:#40304e;color:var(--lime);transform:translateY(-2px)}
    .status-bar{display:flex;align-items:center;gap:10px;font-size:12px;color:#a9d844;margin-top:20px}
    .status-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(201,243,91,.12)}
    @media (max-width:1024px){
      .nav-links{gap:15px}
      .hero-grid{gap:42px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .site-header,.navbar{height:70px}
      .nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 22px 21px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 16px 28px rgba(33,29,43,.09)}
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 0;border-bottom:1px solid var(--line)}
      .nav-links a:last-child{border-bottom:0}
      .nav-links a:after{bottom:0}
      .nav-cta{display:none}
      .menu-toggle{display:block}
      .hero{padding:59px 0 62px}
      .hero-grid,.download-overview,.feature-grid,.steps{grid-template-columns:1fr;gap:28px}
      .hero h1{font-size:clamp(34px,10vw,50px)}
      .hero-facts{gap:20px;justify-content:space-between}
      .app-stage{min-height:320px}
      .app-card{transform:none}
      .section{padding:68px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-intro{margin-top:13px}
      .section-head .text-link{display:inline-block;margin-top:18px}
      .app-features{grid-template-columns:1fr}
      .qr-panel{align-items:flex-start}
      .cta-inner,.download-banner{display:block}
      .cta-actions,.download-banner .btn-dark{margin-top:22px}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:27px}
      .footer-brand{grid-column:1/-1}
      .page-hero{padding:48px 0 50px}
      .page-hero h1{font-size:clamp(34px,9vw,48px)}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 28px)}
      .logo{font-size:15px}
      .logo-mark{width:29px;height:29px}
      .hero-actions a{width:100%}
      .hero-facts{gap:12px}
      .fact strong{font-size:18px}
      .feature-panel,.info-panel,.download-panel,.qr-panel{padding:24px}
      .feature-list{grid-template-columns:1fr}
      .qr-panel{display:block}
      .qr-code{margin:0 auto 24px}
      .download-banner{padding:24px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
    }

/* roulang page: category2 */
:root{
      --ink:#211d2b;
      --deep:#211a2b;
      --deep-2:#30233d;
      --lime:#c9f35b;
      --lime-dark:#a9d844;
      --orange:#f39a5d;
      --paper:#fbfaf8;
      --mist:#f0edf4;
      --muted:#777181;
      --line:#ded9e4;
      --white:#fff;
      --radius:18px;
      --small-radius:10px;
      --shadow:0 18px 50px rgba(38,26,50,.11);
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(1180px,calc(100% - 44px));margin:auto}
    .site-header{height:78px;background:rgba(251,250,248,.96);border-bottom:1px solid rgba(222,217,228,.8);position:relative;z-index:20}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:32px;height:32px;border-radius:9px;background:var(--deep);color:var(--lime);display:grid;place-items:center;font-size:13px;font-weight:900;box-shadow:4px 4px 0 var(--lime)}
    .nav-links{display:flex;align-items:center;gap:25px;margin-left:auto}
    .nav-links a{font-size:14px;color:#625d6b;position:relative;padding:27px 0 23px;transition:var(--ease)}
    .nav-links a:after{content:"";height:3px;width:0;background:var(--lime-dark);position:absolute;left:0;right:0;bottom:17px;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{width:100%}
    .nav-cta,.btn-primary{background:var(--lime);color:var(--deep);font-weight:800;border-radius:10px;padding:12px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--ease);box-shadow:0 7px 0 rgba(169,216,68,.25)}
    .nav-cta:hover,.btn-primary:hover{background:#d8ff70;transform:translateY(-2px);box-shadow:0 9px 0 rgba(169,216,68,.28)}
    .btn-primary:focus,.btn-secondary:focus,.nav-cta:focus,.menu-toggle:focus{outline:3px solid var(--orange);outline-offset:3px}
    .menu-toggle{display:none;background:var(--deep);color:var(--lime);width:43px;height:43px;border-radius:10px;font-size:21px}
    .hero{background:var(--deep);color:var(--white);position:relative;overflow:hidden;padding:82px 0 76px}
    .hero:before{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(201,243,91,.13);border-radius:50%;right:-160px;top:-230px;box-shadow:0 0 0 32px rgba(201,243,91,.035),0 0 0 75px rgba(201,243,91,.025)}
    .hero:after{content:"NG28 / UPDATE";position:absolute;right:6%;bottom:25px;color:rgba(255,255,255,.1);font:700 12px monospace;letter-spacing:.2em}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:78px;position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:18px}
    .eyebrow:before{content:"";width:24px;height:3px;background:var(--lime);border-radius:3px}
    .hero h1{font-size:clamp(36px,5vw,62px);line-height:1.18;letter-spacing:-.065em;max-width:690px;margin:0 0 22px}
    .hero h1 em{font-style:normal;color:var(--lime)}
    .hero-copy{color:#c8c0d0;max-width:600px;font-size:16px;line-height:1.9;margin:0}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .btn-secondary{border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:10px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;transition:var(--ease)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
    .hero-facts{display:flex;gap:30px;margin-top:38px;padding-top:21px;border-top:1px solid rgba(255,255,255,.14)}
    .fact strong{display:block;font-size:22px;color:var(--lime);font-family:ui-monospace,monospace}
    .fact span{display:block;color:#aaa0b6;font-size:12px;margin-top:3px}
    .update-board{background:#34283f;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:26px;box-shadow:0 22px 50px rgba(0,0,0,.18);transform:rotate(1.5deg)}
    .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:17px;margin-bottom:4px}
    .board-top strong{font-size:18px}
    .live-dot{font-size:11px;color:var(--lime);display:flex;align-items:center;gap:6px}
    .live-dot:before{content:"";width:7px;height:7px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 4px rgba(201,243,91,.13)}
    .board-row{display:grid;grid-template-columns:75px 1fr auto;gap:13px;align-items:center;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1)}
    .board-row:last-child{border-bottom:0}
    .board-date{font:700 12px ui-monospace,monospace;color:#aaa0b6}
    .board-row strong{font-size:13px;line-height:1.45}
    .board-tag{font-size:10px;color:var(--lime);background:rgba(201,243,91,.12);padding:4px 7px;border-radius:6px}
    .section{padding:92px 0}
    .section-muted{background:var(--mist)}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:25px;margin-bottom:34px}
    .section-kicker{color:#8c8194;font:700 12px monospace;letter-spacing:.12em;text-transform:uppercase;margin-bottom:9px}
    .section h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.055em;margin:0}
    .section-intro{max-width:450px;color:var(--muted);font-size:14px;margin:0}
    .text-link{font-weight:800;font-size:14px;border-bottom:2px solid var(--lime-dark);padding-bottom:4px;white-space:nowrap}
    .signal-bar{padding:22px 0;background:#fff;border-bottom:1px solid var(--line);border-top:1px solid var(--line)}
    .signal-items{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;font-weight:800}
    .signal-items span{display:inline-flex;align-items:center;gap:8px}
    .signal-items span:before{content:"↗";font-size:17px;color:#8ea93b}
    .content-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:26px;align-items:start}
    .timeline{position:relative;padding-left:30px}
    .timeline:before{content:"";position:absolute;left:6px;top:5px;bottom:5px;width:2px;background:var(--line)}
    .timeline-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px 28px;margin-bottom:18px;transition:var(--ease)}
    .timeline-item:before{content:"";position:absolute;left:-30px;top:31px;width:12px;height:12px;border-radius:50%;background:var(--lime);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--lime-dark)}
    .timeline-item:hover{border-color:var(--lime-dark);box-shadow:var(--shadow);transform:translateX(3px)}
    .meta-line{display:flex;align-items:center;gap:12px;color:#918897;font-size:12px;margin-bottom:11px}
    .tag{border-radius:7px;background:var(--mist);color:#62536d;padding:5px 9px;font-size:11px;font-weight:800;display:inline-block}
    .tag.lime{background:var(--lime);color:var(--deep)}
    .timeline-item h3{font-size:20px;line-height:1.45;margin:0 0 8px;letter-spacing:-.03em}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .side-panel{background:var(--deep);color:#fff;border-radius:var(--radius);padding:28px;position:sticky;top:25px}
    .side-panel h3{font-size:23px;line-height:1.35;margin:0 0 21px}
    .hot-list{list-style:none;padding:0;margin:0}
    .hot-list li{border-top:1px solid rgba(255,255,255,.14);padding:17px 0}
    .hot-list a{display:flex;gap:13px;align-items:flex-start;transition:var(--ease)}
    .hot-list a:hover{color:var(--lime);padding-left:4px}
       .hot-list a:hover{color:var(--lime);padding-left:4px}
    .hot-number{width:24px;height:24px;border-radius:7px;background:rgba(201,243,91,.14);color:var(--lime);display:grid;place-items:center;font:700 12px ui-monospace,monospace;flex:none}
    .hot-list strong{font-size:13px;line-height:1.55;font-weight:700}
    .side-note{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);color:#bcb2c5;font-size:12px}
    .topic-strip{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;margin-top:30px}
    .topic-card{border-radius:var(--radius);padding:30px;position:relative;overflow:hidden;transition:var(--ease);border:1px solid transparent}
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .topic-card.dark{background:var(--deep);color:#fff;min-height:245px}
    .topic-card.light{background:#fff;border-color:var(--line);min-height:245px}
    .topic-card.orange{background:#f6dfcc}
    .topic-card:after{content:"";position:absolute;right:-35px;bottom:-65px;width:170px;height:170px;border:1px solid currentColor;border-radius:50%;opacity:.14}
    .topic-card h3{font-size:24px;line-height:1.35;letter-spacing:-.04em;margin:15px 0 10px;max-width:360px}
    .topic-card p{font-size:14px;color:var(--muted);max-width:470px;margin:0}
    .topic-card.dark p{color:#c7bdcf}
    .topic-card .topic-arrow{position:absolute;right:28px;top:28px;font-size:24px;color:var(--lime)}
    .faq-wrap{max-width:850px;margin:auto}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--small-radius);margin-bottom:12px;overflow:hidden;transition:var(--ease)}
    .faq-item[open]{border-color:var(--lime-dark);box-shadow:0 10px 28px rgba(38,26,50,.06)}
    .faq-item summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:800;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:#8c8194;font-size:22px;font-weight:400;transition:var(--ease)}
    .faq-item[open] summary:after{content:"−";color:var(--deep)}
    .faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14px;max-width:760px}
    .cta-band{background:var(--deep-2);color:#fff;padding:56px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.05em;margin:0 0 10px}
    .cta-inner p{color:#c8c0d0;margin:0;font-size:14px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
    .site-footer{background:#17131e;color:#fff;padding:55px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}
    .footer-brand .logo{color:#fff}
    .footer-brand p{color:#aaa0b6;font-size:13px;max-width:310px;margin:19px 0 0}
    .footer-title{font-size:13px;font-weight:800;color:#fff;margin-bottom:15px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:8px 0}
    .footer-links a{color:#aaa0b6;font-size:13px;transition:var(--ease)}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#817789;font-size:12px}
    .back-top{position:fixed;right:22px;bottom:22px;width:43px;height:43px;border-radius:10px;background:var(--deep);color:var(--lime);display:grid;place-items:center;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(8px);transition:var(--ease);z-index:15}
    .back-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .empty-note{background:#fff;border:1px dashed #cfc7d6;border-radius:var(--radius);padding:31px;text-align:center;color:var(--muted);font-size:14px}
    @media (max-width:1024px){
      .nav-links{gap:16px}
      .nav-links a{font-size:13px}
      .hero-grid{gap:42px}
      .content-layout{grid-template-columns:1.35fr .8fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .site-header,.navbar{height:68px}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;margin:0;padding:12px 18px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 4px;border-bottom:1px solid var(--line)}
      .nav-links a:last-child{border-bottom:0}
      .nav-links a:after{bottom:0}
      .nav-cta{display:none}
      .menu-toggle{display:block}
      .hero{padding:64px 0 58px}
      .hero-grid,.content-layout,.topic-strip{grid-template-columns:1fr}
      .hero-grid{gap:42px}
      .hero h1{font-size:clamp(35px,10vw,52px)}
      .update-board{transform:none}
      .side-panel{position:static}
      .section{padding:68px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-intro{margin-top:13px}
      .section-head .text-link{display:inline-block;margin-top:18px}
      .cta-inner{display:block}
      .cta-actions{margin-top:24px}
      .footer-grid{grid-template-columns:1.5fr 1fr;gap:30px 20px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 28px)}
      .logo{font-size:15px}
      .logo-mark{width:29px;height:29px;font-size:12px}
      .hero-facts{gap:17px;justify-content:space-between}
      .fact strong{font-size:19px}
      .board-row{grid-template-columns:62px 1fr}
      .board-tag{grid-column:2;justify-self:start;margin-top:-9px}
      .timeline{padding-left:22px}
      .timeline-item{padding:21px 20px}
      .timeline-item:before{left:-23px}
      .signal-items{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:12px}
      .topic-card{padding:24px;min-height:220px!important}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:6px}
      .back-top{right:14px;bottom:14px}
    }

/* roulang page: category4 */
:root{
      --ink:#211d2b;
      --deep:#211a2b;
      --deep-2:#30233d;
      --lime:#c9f35b;
      --lime-dark:#a9d844;
      --orange:#f39a5d;
      --paper:#fbfaf8;
      --mist:#f0edf4;
      --muted:#777181;
      --line:#ded9e4;
      --white:#fff;
      --radius:18px;
      --small-radius:10px;
      --shadow:0 18px 50px rgba(38,26,50,.11);
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(1180px,calc(100% - 44px));margin:auto}
    .site-header{
      height:78px;
      background:rgba(251,250,248,.96);
      border-bottom:1px solid rgba(222,217,228,.78);
      position:relative;
      z-index:20;
    }
    .navbar{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      font-size:18px;
      letter-spacing:-.04em;
      white-space:nowrap;
    }
    .logo-mark{
      width:32px;
      height:32px;
      border-radius:9px;
      background:var(--deep);
      color:var(--lime);
      display:grid;
      place-items:center;
      font-size:13px;
      font-weight:900;
      box-shadow:4px 4px 0 var(--lime);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:25px;
      margin-left:auto;
    }
    .nav-links a{
      font-size:14px;
      color:#625d6b;
      position:relative;
      padding:27px 0 23px;
      transition:var(--ease);
    }
    .nav-links a:after{
      content:"";
      height:3px;
      width:0;
      background:var(--lime-dark);
      position:absolute;
      left:0;
      right:0;
      bottom:17px;
      transition:var(--ease);
    }
    .nav-links a:hover,
    .nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,
    .nav-links a.active:after{width:100%}
    .nav-cta,
    .btn-primary{
      background:var(--lime);
      color:var(--deep);
      font-weight:800;
      border-radius:10px;
      padding:12px 18px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      transition:var(--ease);
      box-shadow:0 7px 0 rgba(169,216,68,.25);
    }
    .nav-cta:hover,
    .btn-primary:hover{
      background:#d8ff70;
      color:var(--deep);
      transform:translateY(-2px);
      box-shadow:0 9px 0 rgba(169,216,68,.28);
    }
    .nav-cta:focus-visible,
    .btn-primary:focus-visible,
    .btn-secondary:focus-visible,
    .menu-toggle:focus-visible,
    .faq-question:focus-visible{
      outline:3px solid var(--orange);
      outline-offset:3px;
    }
    .menu-toggle{
      display:none;
      background:var(--deep);
      color:var(--lime);
      width:43px;
      height:43px;
      border-radius:10px;
      font-size:21px;
    }

    .guide-hero{
      position:relative;
      overflow:hidden;
      background:var(--deep);
      color:var(--white);
      padding:82px 0 72px;
    }
    .guide-hero:before{
      content:"";
      position:absolute;
      width:620px;
      height:620px;
      right:-210px;
      top:-285px;
      border:1px solid rgba(201,243,91,.15);
      border-radius:50%;
      box-shadow:0 0 0 34px rgba(201,243,91,.035),0 0 0 82px rgba(201,243,91,.025);
    }
    .guide-hero:after{
      content:"GUIDE / NG28";
      position:absolute;
      right:6%;
      bottom:24px;
      color:rgba(255,255,255,.12);
      font:700 12px monospace;
      letter-spacing:.18em;
    }
    .hero-layout{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      align-items:center;
      gap:74px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:var(--lime);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      margin-bottom:19px;
    }
    .eyebrow:before{
      content:"";
      width:24px;
      height:3px;
      background:var(--lime);
      border-radius:3px;
    }
    .guide-hero h1{
      max-width:680px;
      margin:0 0 22px;
      font-size:clamp(36px,5vw,62px);
      line-height:1.16;
      letter-spacing:-.065em;
    }
    .guide-hero h1 em{
      color:var(--lime);
      font-style:normal;
    }
    .hero-copy{
      max-width:590px;
      color:#c8c0d0;
      font-size:16px;
      line-height:1.9;
      margin:0;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:13px;
      margin-top:31px;
    }
    .btn-secondary{
      border:1px solid rgba(255,255,255,.3);
      color:#fff;
      border-radius:10px;
      padding:11px 18px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      transition:var(--ease);
    }
    .btn-secondary:hover{
      border-color:var(--lime);
      color:var(--lime);
      transform:translateY(-2px);
    }
    .hero-notes{
      display:flex;
      flex-wrap:wrap;
      gap:22px;
      margin-top:38px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.14);
      color:#bfb5c9;
      font-size:12px;
    }
    .hero-notes strong{
      display:block;
      color:#fff;
      font-size:16px;
      margin-bottom:2px;
    }
    .guide-visual{
      min-height:330px;
      position:relative;
      border:1px solid rgba(255,255,255,.16);
      border-radius:var(--radius);
      background:#2a2136;
      padding:27px;
      box-shadow:0 25px 60px rgba(0,0,0,.18);
    }
    .visual-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      color:#bcb2c6;
      font-size:12px;
      padding-bottom:20px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .visual-top b{color:var(--lime);font-size:14px}
    .guide-map{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:22px;
    }
    .map-item{
      min-height:105px;
      padding:17px;
      border-radius:12px;
      background:#352a43;
      border:1px solid rgba(255,255,255,.08);
      transition:var(--ease);
    }
    .map-item:hover{border-color:var(--lime);transform:translateY(-2px)}
    .map-item:nth-child(2){background:#423047}
    .map-item:nth-child(3){background:#2d3940}
    .map-item:nth-child(4){background:#46352e}
    .map-index{
      color:var(--lime);
      font:700 11px monospace;
      margin-bottom:14px;
    }
    .map-item:nth-child(4) .map-index{color:var(--orange)}
    .map-item strong{font-size:14px;display:block}
    .map-item small{color:#aaa0b6;font-size:11px}
    .visual-bottom{
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-top:19px;
      color:#b9b0c3;
      font-size:12px;
    }
    .status-dot{
      display:inline-block;
      width:7px;
      height:7px;
      margin-right:7px;
      border-radius:50%;
      background:var(--lime);
      box-shadow:0 0 0 4px rgba(201,243,91,.1);
    }

    .breadcrumb-wrap{
      background:var(--mist);
      border-bottom:1px solid var(--line);
    }
    .breadcrumb{
      display:flex;
      gap:10px;
      align-items:center;
      min-height:52px;
      margin:0;
      color:#8a8291;
      font-size:12px;
    }
    .breadcrumb a:hover{color:var(--ink)}
    .breadcrumb .current{color:#4d4556;font-weight:700}
    .crumb-sep{color:#b1a8b7}

    .section{padding:86px 0}
    .section-soft{background:var(--mist)}
    .section-dark{background:var(--deep);color:#fff}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:25px;
      margin-bottom:34px;
    }
    .section-kicker{
      color:#8c8194;
      font:700 12px monospace;
      letter-spacing:.12em;
      text-transform:uppercase;
      margin-bottom:9px;
    }
    .section-dark .section-kicker{color:var(--lime)}
    .section h2{
      margin:0;
      font-size:clamp(28px,3vw,42px);
      line-height:1.2;
      letter-spacing:-.055em;
    }
    .section-intro{
      max-width:470px;
      color:var(--muted);
      font-size:14px;
      margin:0;
    }
    .section-dark .section-intro{color:#c8c0d0}
    .guide-overview{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:26px;
      align-items:stretch;
    }
    .overview-copy,
    .overview-panel{
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:#fff;
      padding:32px;
    }
    .overview-copy h3{
      font-size:26px;
      line-height:1.35;
      letter-spacing:-.04em;
      margin:0 0 15px;
    }
    .overview-copy p{
      color:var(--muted);
      margin:0 0 21px;
      font-size:14px;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:13px;
    }
    .check-list li{
      display:flex;
      align-items:flex-start;
      gap:11px;
      font-size:14px;
    }
    .check-list li:before{
      content:"✓";
      flex:0 0 22px;
      width:22px;
      height:22px;
      display:grid;
      place-items:center;
      color:var(--deep);
      background:var(--lime);
      border-radius:50%;
      font-weight:900;
      font-size:12px;
      margin-top:2px;
    }
    .overview-panel{
      background:var(--deep);
      color:#fff;
      border-color:var(--deep);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .panel-label{
      color:var(--lime);
      font:700 11px monospace;
      letter-spacing:.12em;
    }
    .panel-title{
      font-size:22px;
      font-weight:800;
      line-height:1.4;
      margin:20px 0 25px;
    }
    .panel-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:15px;
      padding:15px 0;
      border-top:1px solid rgba(255,255,255,.12);
      color:#c8c0d0;
      font-size:13px;
    }
    .panel-row strong{color:#fff;font-size:14px}
    .panel-row span:last-child{color:var(--lime);font-size:12px}

    .steps-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .step{
      position:relative;
      min-height:205px;
      padding:27px 24px 25px 0;
      margin-right:24px;
      border-right:1px solid var(--line);
    }
    .step:last-child{border-right:0;margin-right:0}
    .step-num{
      display:inline-grid;
      place-items:center;
      width:34px;
      height:34px;
      border-radius:9px;
      background:var(--deep);
      color:var(--lime);
      font:800 13px monospace;
      margin-bottom:24px;
    }
    .step h3{
      font-size:18px;
      margin:0 0 9px;
      letter-spacing:-.03em;
    }
    .step p{
      color:var(--muted);
      font-size:13px;
      margin:0;
      line-height:1.75;
    }

    .content-band{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:56px;
      align-items:start;
    }
    .band-intro h2{margin-bottom:17px}
    .band-intro p{color:#c8c0d0;font-size:14px;margin:0}
    .guide-list{display:grid;gap:13px}
    .guide-row{
      display:grid;
      grid-template-columns:48px 1fr auto;
      gap:17px;
      align-items:center;
      padding:19px 20px;
      background:#2d2339;
      border:1px solid rgba(255,255,255,.1);
      border-radius:13px;
      transition:var(--ease);
    }
    .guide-row:hover{
      border-color:var(--lime);
      transform:translateX(4px);
    }
    .guide-row-icon{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:11px;
      background:rgba(201,243,91,.13);
      color:var(--lime);
      font-weight:900;
    }
    .guide-row:nth-child(2) .guide-row-icon{background:rgba(243,154,93,.14);color:var(--orange)}
    .guide-row:nth-child(3) .guide-row-icon{background:rgba(216,200,239,.13);color:#d8c8ef}
    .guide-row h3{margin:0 0 3px;font-size:15px}
    .guide-row p{margin:0;color:#aaa0b6;font-size:12px}
    .guide-row .arrow{color:var(--lime);font-size:19px}

    .tips-layout{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:26px;
      align-items:stretch;
    }
    .tip-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:31px;
      transition:var(--ease);
    }
    .tip-card:hover{border-color:var(--lime-dark);box-shadow:var(--shadow)}
    .tip-card h3{
      font-size:22px;
      margin:0 0 15px;
      letter-spacing:-.04em;
    }
    .tip-card p{color:var(--muted);font-size:14px;margin:0 0 22px}
    .tag-list{display:flex;flex-wrap:wrap;gap:9px}
    .tag{
      border-radius:7px;
      background:var(--mist);
      color:#62536d;
      padding:5px 9px;
      font-size:11px;
      font-weight:800;
    }
    .tag.lime{background:var(--lime);color:var(--deep)}
    .tip-side{
      background:#f6dfcc;
      border-radius:var(--radius);
      padding:31px;
      position:relative;
      overflow:hidden;
    }
    .tip-side:after{
      content:"?";
      position:absolute;
      right:20px;
      bottom:-25px;
      color:rgba(33,29,43,.08);
      font-size:150px;
      font-weight:900;
      line-height:1;
    }
    .tip-side h3{font-size:22px;margin:0 0 12px;position:relative;z-index:1}
    .tip-side p{font-size:14px;color:#725d53;margin:0 0 22px;position:relative;z-index:1}
    .text-link{
      font-weight:800;
      font-size:14px;
      border-bottom:2px solid var(--lime-dark);
      padding-bottom:4px;
      white-space:nowrap;
    }
    .tip-side .text-link{position:relative;z-index:1}

    .faq-grid{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:68px;
      align-items:start;
    }
    .faq-intro p{color:var(--muted);font-size:14px;margin:18px 0 0}
    .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;
      gap:20px;
      text-align:left;
      padding:20px 0;
      background:transparent;
      color:var(--ink);
      font-weight:800;
      font-size:15px;
    }
    .faq-question span:last-child{
      color:#8f8197;
      font-size:22px;
      font-weight:400;
      transition:var(--ease);
    }
    .faq-answer{
      display:none;
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
      padding:0 40px 20px 0;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{
      transform:rotate(45deg);
      color:var(--lime-dark);
    }

    .cta{
      background:var(--deep);
      color:#fff;
      padding:58px 0;
    }
    .cta-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:30px;
    }
    .cta h2{
      margin:0 0 9px;
      font-size:clamp(25px,3vw,38px);
      letter-spacing:-.05em;
    }
    .cta p{margin:0;color:#c8c0d0;font-size:14px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}

    .site-footer{
      background:#17131e;
      color:#fff;
      padding:58px 0 22px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:40px;
      padding-bottom:42px;
    }
    .footer-brand .logo{color:#fff;margin-bottom:17px}
    .footer-brand p{
      max-width:300px;
      color:#a9a1af;
      font-size:13px;
      line-height:1.8;
      margin:0;
    }
    .footer-title{
      color:var(--lime);
      font-size:13px;
      font-weight:800;
      margin-bottom:16px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#b2a9b8;
      font-size:13px;
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--lime);padding-left:3px}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.12);
      color:#817887;
      font-size:11px;
    }
    .back-top{
      position:fixed;
      right:22px;
      bottom:22px;
      width:42px;
      height:42px;
      border-radius:10px;
      background:var(--lime);
      color:var(--deep);
      font-weight:900;
      opacity:0;
      pointer-events:none;
      transform:translateY(8px);
      transition:var(--ease);
      z-index:15;
    }
    .back-top.visible{
      opacity:1;
      pointer-events:auto;
      transform:translateY(0);
    }
    .back-top:hover{background:#d8ff70;transform:translateY(-2px)}
    @media (max-width:1024px){
      .nav-links{gap:16px}
      .nav-links a{font-size:13px}
      .hero-layout{gap:42px}
      .content-band{gap:35px}
      .faq-grid{gap:38px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .site-header,.navbar{height:70px}
      .navbar{gap:15px}
      .logo{font-size:16px}
      .logo-mark{width:30px;height:30px}
      .nav-cta{display:none}
      .menu-toggle{display:block}
      .nav-links{
        display:none;
        position:absolute;
        left:16px;
        right:16px;
        top:78px;
        margin:0;
        padding:12px 18px 18px;
        flex-direction:column;
        align-items:stretch;
        gap:0;
        background:#fff;
        border:1px solid var(--line);
        border-radius:14px;
        box-shadow:var(--shadow);
      }
      .nav-links.is-open{display:flex}
      .nav-links a{padding:13px 4px;font-size:14px;border-bottom:1px solid var(--line)}
      .nav-links a:last-child{border-bottom:0}
      .nav-links a:after{bottom:5px}
      .nav-links:before{
        content:"南宫娱乐 APP";
        display:block;
        background:var(--lime);
        color:var(--deep);
        font-weight:800;
        border-radius:9px;
        padding:10px 12px;
        margin:0 0 8px;
        text-align:center;
      }
      .guide-hero{padding:62px 0 58px}
      .hero-layout,
      .guide-overview,
      .content-band,
      .tips-layout,
      .faq-grid{
        grid-template-columns:1fr;
      }
      .guide-hero h1{font-size:clamp(35px,9vw,50px)}
      .guide-visual{min-height:300px}
      .section{padding:65px 0}
      .section-head{display:block;margin-bottom:26px}
      .section-head .section-intro{margin-top:14px}
      .steps-grid{grid-template-columns:1fr 1fr}
      .step:nth-child(2){border-right:0;margin-right:0}
      .step:nth-child(3),
      .step:nth-child(4){border-top:1px solid var(--line)}
      .step:nth-child(3){padding-left:0}
      .step:nth-child(4){border-right:0;margin-right:0}
      .cta-inner{display:block}
      .cta-actions{margin-top:24px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 28px)}
      .logo{font-size:14px;gap:8px}
      .logo-mark{width:28px;height:28px;font-size:12px}
      .guide-hero{padding:51px 0 48px}
      .hero-actions{display:grid;grid-template-columns:1fr;gap:10px}
      .hero-actions a{width:100%}
      .hero-notes{gap:15px 25px}
      .guide-visual{padding:19px;min-height:280px}
      .guide-map{gap:8px}
      .map-item{min-height:94px;padding:13px}
      .map-item strong{font-size:13px}
      .overview-copy,.overview-panel,.tip-card,.tip-side{padding:23px}
      .overview-copy h3{font-size:22px}
      .steps-grid{display:block}
      .step,
      .step:nth-child(2),
      .step:nth-child(3),
      .step:nth-child(4){
        min-height:auto;
        padding:22px 0;
        margin:0;
        border-right:0;
        border-bottom:1px solid var(--line);
        border-top:0;
      }
      .step:last-child{border-bottom:0}
      .step-num{margin-bottom:14px}
      .guide-row{grid-template-columns:40px 1fr auto;gap:11px;padding:15px 13px}
      .guide-row-icon{width:36px;height:36px}
      .guide-row p{font-size:11px}
      .faq-question{font-size:14px;padding:17px 0}
      .cta{padding:45px 0}
      .cta-actions{display:grid;grid-template-columns:1fr}
      .cta-actions a{width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-brand{grid-column:1/-1}
      .back-top{right:14px;bottom:14px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}