/* roulang page: index */
:root{
  --bg:#191c1f;
  --bg-deep:#121416;
  --panel:#23282a;
  --panel-2:#2a3030;
  --ink:#f5f6ee;
  --muted:#aab8ae;
  --soft:#7f9187;
  --line:#3a4541;
  --lime:#c5eb58;
  --lime-dark:#17200e;
  --mint:#b9d3c4;
  --warm:#e1bd72;
  --radius:14px;
  --shadow:0 16px 38px rgba(0,0,0,.2);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{height:80px;border-bottom:1px solid var(--line);background:rgba(25,28,31,.96);position:sticky;top:0;z-index:20}
.header-inner{height:100%;display:flex;align-items:center;gap:42px}
.brand{display:flex;align-items:center;gap:11px;min-width:290px;font-weight:800;letter-spacing:-.03em;font-size:17px}
.brand-mark{width:28px;height:28px;border:2px solid var(--lime);position:relative;display:grid;place-items:center;transform:rotate(45deg)}
.brand-mark:after{content:"";width:8px;height:8px;background:var(--lime);border-radius:50%}
.brand-mark span{position:absolute;width:12px;height:2px;background:var(--lime);right:-9px;top:11px}
.brand-text{line-height:1.25}
.nav{display:flex;align-items:center;gap:27px;flex:1}
.nav a{color:var(--muted);position:relative;padding:27px 0 23px;transition:.2s}
.nav a:hover,.nav a.active{color:var(--ink)}
.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--lime)}
.header-cta{white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn-primary{background:var(--lime);color:var(--lime-dark)}
.btn-primary:hover{background:#d6f879;transform:translateY(-2px);box-shadow:0 8px 18px rgba(197,235,88,.14)}
.btn-secondary{background:transparent;border-color:#64736a;color:var(--mint)}
.btn-secondary:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(197,235,88,.55);outline-offset:3px}
.menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px}
.status-strip{border-bottom:1px solid var(--line);background:#202524;color:var(--muted);font-size:12px}
.status-inner{height:38px;display:flex;align-items:center;gap:13px}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(197,235,88,.1)}
.status-sep{color:#53625b}
.hero{padding:76px 0 72px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;right:-90px;top:30px;width:48%;height:1px;background:var(--lime);opacity:.5;transform:skewX(-35deg)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:76px;align-items:center}
.eyebrow{display:flex;align-items:center;gap:10px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:20px}
.eyebrow:before{content:"01";color:var(--bg);background:var(--lime);padding:2px 6px;border-radius:4px;letter-spacing:0}
h1{font-size:clamp(34px,4.4vw,62px);line-height:1.16;letter-spacing:-.06em;max-width:690px}
.hero-copy{font-size:17px;color:var(--muted);max-width:610px;margin:25px 0 30px;line-height:1.85}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{display:flex;gap:20px;margin-top:30px;color:var(--soft);font-size:13px}
.hero-note strong{color:var(--mint);font-weight:600}
.console{background:var(--panel);border:1px solid #47534d;border-radius:18px;padding:25px;box-shadow:var(--shadow);position:relative}
.console-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:19px;margin-bottom:21px}
.console-title{font-weight:800;font-size:18px}
.console-code{font-size:11px;color:var(--soft);letter-spacing:.13em}
.console-status{display:flex;align-items:center;gap:10px;color:var(--lime);font-size:13px}
.console-status i{width:9px;height:9px;background:var(--lime);border-radius:50%}
.check-list{display:grid;gap:13px}
.check-item{display:flex;justify-content:space-between;gap:15px;padding:14px 0;border-bottom:1px solid rgba(58,69,65,.7)}
.check-item:last-child{border-bottom:0}
.check-item span{color:var(--muted)}
.check-item b{font-size:13px;color:var(--mint);font-weight:600}
.check-item b:before{content:"—";color:var(--lime);margin-right:8px}
.console-foot{margin-top:20px;padding:14px;background:#1a1f1e;color:var(--soft);font-size:12px;border-left:3px solid var(--lime)}
.section{padding:84px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:29px}
.kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}
h2{font-size:32px;line-height:1.25;letter-spacing:-.04em}
.section-intro{color:var(--muted);max-width:460px}
.entry-zone{background:#d8e5d3;color:#1b251d;padding:30px;border-radius:16px;display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:center}
.entry-zone h2{color:#1b251d;font-size:27px}
.entry-zone p{color:#526156;margin-top:8px}
.entry-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.entry-zone .btn-primary{background:#1a2818;color:#d8f478}
.entry-zone .btn-secondary{border-color:#8ca18e;color:#314638}
.entry-zone .btn-secondary:hover{border-color:#1a2818;color:#1a2818}
.news-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:20px}
.feature-news,.news-list{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.feature-news{padding:30px;min-height:300px;display:flex;flex-direction:column;justify-content:space-between}
.feature-news .number{color:var(--lime);font-size:46px;font-weight:800;line-height:1}
.feature-news h3{font-size:25px;line-height:1.35;margin:20px 0 10px}
.feature-news p{color:var(--muted)}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-weight:700;margin-top:20px}
.text-link:hover{gap:13px}
.news-list{padding:8px 24px}
.news-item{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-item:last-child{border-bottom:0}
.news-item:hover .news-title{color:var(--lime)}
.news-meta{font-size:12px;color:var(--soft)}
.news-tag{display:inline-block;color:var(--lime);border:1px solid #53654a;border-radius:5px;padding:1px 7px;margin-bottom:4px}
.news-title{font-size:16px;font-weight:700;transition:.2s}
.news-excerpt{display:block;color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.arrow{font-size:20px;color:var(--lime)}
.empty-state{padding:38px 10px;color:var(--muted);text-align:center}
.download-panel{display:grid;grid-template-columns:1fr 330px;gap:50px;align-items:center;background:var(--panel-2);border:1px solid #536057;border-radius:18px;padding:42px 48px;overflow:hidden}
.download-panel h2{max-width:530px}
.download-panel p{color:var(--muted);max-width:560px;margin:15px 0 22px}
.download-points{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--mint);font-size:13px;margin-bottom:25px}
.download-points span:before{content:"✓";color:var(--lime);margin-right:7px}
.phone-art{height:250px;width:145px;border:7px solid #121616;border-radius:25px;background:#d8e5d3;margin:auto;position:relative;padding:35px 14px 14px;color:#243426;box-shadow:15px 18px 0 rgba(197,235,88,.18)}
.phone-art:before{content:"";position:absolute;top:11px;left:43px;width:45px;height:5px;border-radius:5px;background:#66756a}
.phone-bar{height:9px;width:70%;background:#36493a;border-radius:3px;margin-bottom:17px}
.phone-line{height:7px;background:#8ca58d;margin:11px 0;border-radius:3px}
.phone-chip{height:38px;background:#1d2b20;border-radius:7px;margin:17px 0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:25px 22px 10px;border-right:1px solid var(--line);min-height:150px}
.step:last-child{border-right:0}
.step-no{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.12em}
.step h3{font-size:18px;margin:12px 0 6px}
.step p{color:var(--muted);font-size:13px;line-height:1.7}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
.faq-aside p{color:var(--muted);margin:15px 0 20px}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{padding:5px 10px;border:1px solid var(--line);color:var(--mint);font-size:12px;border-radius:5px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:19px 0}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-weight:700}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--lime);font-size:19px;line-height:1}
details[open] summary{color:var(--lime)}
details[open] summary:after{content:"－"}
details p{color:var(--muted);padding:13px 30px 0 0;line-height:1.8}
.bottom-cta{background:var(--lime);color:#182016;padding:32px 38px;border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.bottom-cta p{color:#526248;margin-top:5px}
.bottom-cta .btn{background:#19231a;color:var(--lime)}
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:48px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer-brand{font-weight:800;font-size:17px;max-width:280px;line-height:1.45}
.footer-desc{color:var(--soft);font-size:13px;margin-top:14px;max-width:300px}
.footer-col h3{font-size:13px;color:var(--mint);margin-bottom:14px}
.footer-col a{display:block;color:var(--soft);font-size:13px;margin:7px 0;transition:.2s}
.footer-col a:hover{color:var(--lime)}
.copyright{border-top:1px solid var(--line);margin-top:38px;padding-top:19px;color:#68776e;font-size:12px;display:flex;justify-content:space-between;gap:15px}
@media(max-width:1050px){
  .header-inner{gap:20px}.brand{min-width:245px;font-size:15px}.nav{gap:15px}
  .hero-grid{gap:35px}.download-panel{gap:25px;padding:35px}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,600px)}
  .site-header{height:68px}.header-inner{justify-content:space-between}
  .brand{min-width:0;max-width:250px}.brand-mark{width:24px;height:24px}.brand-text{font-size:14px}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:#191c1f;border-bottom:1px solid var(--line);padding:10px 16px;flex-direction:column;align-items:stretch;gap:0}
  .nav.open{display:flex}.nav a{padding:13px 4px;border-bottom:1px solid var(--line)}.nav a.active:after{bottom:0}
  .header-cta{display:none}.menu-toggle{display:block}
  .status-inner{height:auto;min-height:38px;flex-wrap:wrap;padding:7px 0;gap:8px}
  .hero{padding:52px 0}.hero-grid,.news-layout,.faq-grid,.download-panel,.entry-zone{grid-template-columns:1fr}
  h1{font-size:38px}.hero-copy{font-size:16px}.hero-note{flex-wrap:wrap;gap:8px 15px}
  .section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:10px}
  .entry-actions{justify-content:flex-start;margin-top:12px}
  .news-item{grid-template-columns:70px 1fr auto;gap:10px}.news-excerpt{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .download-panel{padding:30px 24px}.phone-art{margin:8px auto 0}
  .steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step{border-bottom:1px solid var(--line)}
  .bottom-cta{display:block;padding:26px}.bottom-cta .btn{margin-top:18px}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
  .copyright{display:block}.copyright span{display:block;margin-top:7px}
}
@media(max-width:480px){
  .container{width:calc(100% - 28px)}h1{font-size:32px}h2{font-size:27px}
  .actions,.actions .btn{width:100%}.actions .btn{min-height:48px}
  .console{padding:19px}.news-list{padding:5px 15px}.news-item{grid-template-columns:1fr auto}.news-meta{grid-column:1/-1}
  .feature-news{padding:23px}.steps{grid-template-columns:1fr}.step{border-right:0!important}
  .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
}

/* roulang page: article */
:root{
      --bg:#191c1f;
      --bg-deep:#121416;
      --panel:#23282a;
      --panel-2:#2a3030;
      --ink:#f5f6ee;
      --muted:#aab8ae;
      --soft:#7f9187;
      --line:#3a4541;
      --lime:#c5eb58;
      --lime-dark:#17200e;
      --mint:#b9d3c4;
      --warm:#e1bd72;
      --radius:14px;
      --shadow:0 16px 38px rgba(0,0,0,.2);
      --container:1200px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--bg);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      line-height:1.75;
      font-size:15px;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:-.025em}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:80px;
      border-bottom:1px solid var(--line);
      background:rgba(25,28,31,.97);
      position:sticky;
      top:0;
      z-index:20;
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:24px}
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:270px;
      font-weight:800;
      letter-spacing:-.03em;
      font-size:15px;
    }
    .brand-mark{
      width:28px;height:28px;border:2px solid var(--lime);
      position:relative;display:grid;place-items:center;transform:rotate(45deg);flex:none
    }
    .brand-mark:after{content:"";width:8px;height:8px;background:var(--lime);border-radius:50%}
    .brand-mark span{position:absolute;width:12px;height:2px;background:var(--lime);right:-9px;top:11px}
    .brand-text{line-height:1.25}
    .nav{display:flex;align-items:center;gap:22px;flex:1}
    .nav a{
      color:var(--muted);
      position:relative;
      padding:27px 0 23px;
      transition:.2s ease;
      white-space:nowrap
    }
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after{
      content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--lime)
    }
    .header-cta{white-space:nowrap}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:0 20px;border-radius:10px;
      border:1px solid transparent;font-weight:700;transition:.2s ease
    }
    .btn-primary{background:var(--lime);color:var(--lime-dark)}
    .btn-primary:hover{background:#d6f879;transform:translateY(-2px);box-shadow:0 8px 18px rgba(197,235,88,.14)}
    .btn-secondary{background:transparent;border-color:#64736a;color:var(--mint)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,summary:focus-visible{
      outline:3px solid rgba(197,235,88,.55);outline-offset:3px
    }
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px}
    .status-strip{border-bottom:1px solid var(--line);background:var(--bg-deep)}
    .status-inner{
      min-height:38px;display:flex;align-items:center;gap:12px;
      color:var(--soft);font-size:12px
    }
    .status-dot{width:7px;height:7px;background:var(--lime);border-radius:50%;display:inline-block}
    .status-line{height:13px;width:1px;background:var(--line)}
    .article-hero{
      padding:76px 0 66px;
      border-bottom:1px solid var(--line);
      position:relative;
      overflow:hidden;
    }
    .article-hero:after{
      content:"";position:absolute;right:-90px;bottom:38px;width:42%;height:1px;
      background:var(--lime);opacity:.45;transform:skewX(-35deg)
    }
    .breadcrumb{
      display:flex;flex-wrap:wrap;gap:9px;align-items:center;
      color:var(--soft);font-size:13px;margin-bottom:30px
    }
    .breadcrumb a{transition:.2s}
    .breadcrumb a:hover{color:var(--lime)}
    .breadcrumb-sep{color:#536057}
    .article-label{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.06em;
      margin-bottom:18px
    }
    .article-label:before{content:"资讯";padding:3px 8px;border:1px solid #63754a;border-radius:5px}
    .article-hero h1{
      max-width:900px;font-size:clamp(32px,5vw,58px);line-height:1.2;margin-bottom:24px
    }
    .article-lead{
      max-width:770px;color:var(--muted);font-size:17px;line-height:1.85;margin-bottom:25px
    }
    .article-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--soft);font-size:13px}
    .article-meta strong{color:var(--mint);font-weight:600}
    .article-layout{
      display:grid;grid-template-columns:minmax(0,820px) 270px;
      gap:76px;align-items:start;padding:76px 0 88px
    }
    .article-body{
      color:#d5ddd5;font-size:17px;line-height:1.95;
      min-width:0
    }
    .article-body h2{
      font-size:28px;margin:42px 0 18px;padding-left:17px;
      border-left:3px solid var(--lime)
    }
    .article-body h3{font-size:21px;margin:32px 0 12px;color:var(--mint)}
    .article-body p{margin:0 0 22px}
    .article-body ul,.article-body ol{padding-left:25px;margin:15px 0 25px}
    .article-body li{padding-left:7px;margin:7px 0}
    .article-body blockquote{
      margin:30px 0;padding:20px 24px;
      border:1px solid #53634f;border-left:4px solid var(--lime);
      background:#202a22;color:var(--mint)
    }
    .article-body a{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
    .article-body img{border:1px solid var(--line);border-radius:10px;margin:28px auto}
    .article-body table{width:100%;border-collapse:collapse;margin:28px 0;background:var(--panel)}
    .article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
    .article-body th{color:var(--lime);font-weight:700}
    .article-aside{position:sticky;top:110px}
    .aside-card{
      background:var(--panel);border:1px solid var(--line);
      border-radius:var(--radius);padding:22px
    }
    .aside-card + .aside-card{margin-top:16px}
    .aside-card h3{font-size:15px;margin-bottom:16px}
    .aside-card p{color:var(--muted);font-size:13px;line-height:1.75}
    .aside-link{
      display:flex;justify-content:space-between;gap:12px;
      padding:12px 0;border-bottom:1px solid var(--line);
      color:var(--mint);font-size:13px;transition:.2s
    }
    .aside-link:last-child{border-bottom:0}
    .aside-link:hover{color:var(--lime);padding-left:4px}
    .aside-state{display:flex;align-items:center;gap:8px;color:var(--lime);font-size:13px}
    .aside-state:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime)}
    .article-empty{
      background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
      padding:48px 30px;text-align:center;color:var(--muted)
    }
    .article-empty h2{border:0;padding:0;margin:0 0 8px;font-size:25px}
    .article-empty p{margin-bottom:22px}
    .article-bottom{
      border-top:1px solid var(--line);padding-top:28px;margin-top:52px;
      display:flex;justify-content:space-between;gap:18px
    }
    .bottom-label{display:block;color:var(--soft);font-size:12px;margin-bottom:6px}
    .bottom-link{color:var(--mint);font-weight:700}
    .bottom-link:hover{color:var(--lime)}
    .article-cta{
      background:var(--lime);color:#182016;border-radius:14px;
      padding:32px 38px;margin-bottom:78px;
      display:flex;align-items:center;justify-content:space-between;gap:24px
    }
    .article-cta h2{color:#182016;font-size:25px;margin-bottom:4px}
    .article-cta p{color:#526248;margin:0}
    .article-cta .btn{background:#19231a;color:var(--lime)}
    .site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{font-weight:800;font-size:17px;max-width:280px;line-height:1.45}
    .footer-desc{color:var(--soft);font-size:13px;margin-top:14px;max-width:300px}
    .footer-col h3{font-size:13px;color:var(--mint);margin-bottom:14px}
    .footer-col a{display:block;color:var(--soft);font-size:13px;margin:7px 0;transition:.2s}
    .footer-col a:hover{color:var(--lime)}
    .copyright{
      border-top:1px solid var(--line);margin-top:38px;padding-top:19px;
      color:#68776e;font-size:12px;display:flex;justify-content:space-between;gap:15px
    }
    @media (max-width:992px){
      .header-inner{gap:16px}.brand{min-width:225px}.nav{gap:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:35px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,600px)}
      .site-header{height:68px}.header-inner{justify-content:space-between}
      .brand{min-width:0;font-size:13px}.brand-mark{width:25px;height:25px}
      .header-cta{display:none}.menu-toggle{display:block}
      .nav{
        display:none;position:absolute;left:16px;right:16px;top:68px;
        padding:10px 18px;background:var(--panel);border:1px solid var(--line);
        border-radius:0 0 12px 12px;flex-direction:column;align-items:stretch;gap:0
      }
      .nav.open{display:flex}.nav a{padding:11px 0;border-bottom:1px solid var(--line)}
      .nav a:last-child{border-bottom:0}.nav a.active:after{bottom:0;right:auto;width:35px}
      .status-inner{min-height:34px;gap:8px;font-size:11px}
      .article-hero{padding:48px 0 45px}.article-hero h1{font-size:34px}
      .article-lead{font-size:15px}.article-layout{display:block;padding:48px 0 58px}
      .article-body{font-size:16px}.article-body h2{font-size:24px}
      .article-aside{position:static;margin-top:45px}
      .article-cta{margin-bottom:55px;padding:26px 24px;display:block}
      .article-cta .btn{margin-top:18px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}.copyright span{display:block;margin:5px 0}
    }
    @media (max-width:480px){
      .container{width:calc(100% - 28px)}
      .brand{max-width:220px}.brand-mark{width:22px;height:22px}
      .article-hero h1{font-size:29px}.article-meta{gap:8px 14px}
      .article-body h2{font-size:22px}.article-body blockquote{padding:16px}
      .article-bottom{display:block}.article-bottom>div+div{margin-top:18px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }

/* roulang page: category1 */
:root{
      --bg:#191c1f;--bg-deep:#121416;--panel:#23282a;--panel-2:#2a3030;
      --ink:#f5f6ee;--muted:#aab8ae;--soft:#7f9187;--line:#3a4541;
      --lime:#c5eb58;--lime-dark:#17200e;--mint:#b9d3c4;--warm:#e1bd72;
      --radius:14px;--shadow:0 16px 38px rgba(0,0,0,.2);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:80px;border-bottom:1px solid var(--line);background:rgba(25,28,31,.97);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;gap:25px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px;font-weight:800;letter-spacing:-.03em;font-size:15px}
    .brand-mark{width:28px;height:28px;border:2px solid var(--lime);position:relative;display:grid;place-items:center;transform:rotate(45deg);flex:none}
    .brand-mark:after{content:"";width:8px;height:8px;background:var(--lime);border-radius:50%}
    .brand-mark span{position:absolute;width:12px;height:2px;background:var(--lime);right:-9px;top:11px}
    .brand-text{line-height:1.25}
    .nav{display:flex;align-items:center;gap:20px;flex:1}
    .nav a{color:var(--muted);position:relative;padding:27px 0 23px;transition:.2s;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--lime)}
    .header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--lime-dark)}
    .btn-primary:hover{background:#d6f879;transform:translateY(-2px);box-shadow:0 8px 18px rgba(197,235,88,.14)}
    .btn-secondary{background:transparent;border-color:#64736a;color:var(--mint)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(197,235,88,.55);outline-offset:3px}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px}
    .status-bar{border-bottom:1px solid var(--line);color:var(--soft);font-size:12px}
    .status-inner{min-height:38px;display:flex;align-items:center;gap:12px}
    .status-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
    .status-bar strong{color:var(--mint);font-weight:600}
    .page-hero{padding:76px 0 64px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;right:-8%;bottom:24px;width:42%;height:1px;background:var(--lime);opacity:.55;transform:skewX(-35deg)}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:18px}
    .eyebrow:before{content:"01";color:var(--bg);background:var(--lime);padding:2px 6px;border-radius:4px;letter-spacing:0}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.12;letter-spacing:-.055em;margin-bottom:22px;max-width:780px}
    h2{font-size:clamp(25px,3vw,36px);line-height:1.25;letter-spacing:-.035em}
    h3{line-height:1.35}
    .hero-copy{color:var(--muted);font-size:17px;max-width:710px;line-height:1.9;margin-bottom:28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:29px}
    .section-intro{color:var(--muted);max-width:470px}
    .filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:24px}
    .filter{border:1px solid var(--line);color:var(--muted);padding:7px 13px;border-radius:6px;font-size:13px;transition:.2s}
    .filter:hover,.filter.active{border-color:var(--lime);color:var(--lime);background:rgba(197,235,88,.06)}
    .news-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:20px}
    .feature-news,.news-list{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
    .feature-news{padding:30px;min-height:350px;display:flex;flex-direction:column;justify-content:space-between}
    .feature-news .number{color:var(--lime);font-size:46px;font-weight:800;line-height:1}
    .feature-news h3{font-size:25px;margin:20px 0 11px}
    .feature-news p,.news-summary{color:var(--muted)}
    .news-list{padding:7px 24px}
    .news-item{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:last-child{border-bottom:0}
    .news-item:hover .news-title{color:var(--lime)}
    .news-meta{font-size:12px;color:var(--soft)}
    .news-tag{display:inline-block;color:var(--lime);border:1px solid #53654a;border-radius:5px;padding:1px 7px;margin-bottom:4px}
    .news-title{font-size:16px;font-weight:700;transition:.2s}
    .arrow{font-size:20px;color:var(--lime);transition:.2s}
    .news-item:hover .arrow{transform:translateX(4px)}
    .signal-band{background:var(--panel-2);border-left:3px solid var(--lime);padding:23px 27px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .signal-band p{color:var(--muted);margin:5px 0 0}
    .signal-label{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.1em}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .guide-card{padding:25px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
    .guide-card:hover{border-color:#718268;transform:translateY(-3px)}
    .guide-num{color:var(--lime);font-size:13px;font-weight:800}
    .guide-card h3{font-size:18px;margin:18px 0 8px}
    .guide-card p{color:var(--muted);margin-bottom:0}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
    .faq-aside p{color:var(--muted);margin:15px 0 20px}
    .tags{display:flex;gap:8px;flex-wrap:wrap}
    .tag{padding:5px 10px;border:1px solid var(--line);color:var(--mint);font-size:12px;border-radius:5px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:18px 0}
    summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:15px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--lime);font-size:21px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);padding:12px 35px 0 0;margin-bottom:0}
    .bottom-cta{background:var(--lime);color:#182016;padding:32px 38px;border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .bottom-cta p{color:#526248;margin:5px 0 0}
    .bottom-cta .btn{background:#19231a;color:var(--lime)}
    .site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{font-weight:800;font-size:17px;max-width:280px;line-height:1.45}
    .footer-desc{color:var(--soft);font-size:13px;margin-top:14px;max-width:300px}
    .footer-col h3{font-size:13px;color:var(--mint);margin-bottom:14px}
    .footer-col a{display:block;color:var(--soft);font-size:13px;margin:7px 0;transition:.2s}
    .footer-col a:hover{color:var(--lime)}
    .copyright{border-top:1px solid var(--line);margin-top:38px;padding-top:19px;color:#68776e;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:992px){
      .header-inner{gap:14px}.brand{min-width:220px}.nav{gap:13px}
      .news-layout,.faq-grid{grid-template-columns:1fr}.guide-grid{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,600px)}
      .site-header{height:68px}.header-inner{justify-content:space-between}
      .brand{min-width:0;font-size:14px}.brand-mark{width:25px;height:25px}
      .menu-toggle{display:block}.header-cta{display:none}
      .nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--bg-deep);border-bottom:1px solid var(--line);padding:8px 20px;flex-direction:column;align-items:stretch;gap:0}
      .nav.open{display:flex}.nav a{padding:12px 0}.nav a.active:after{bottom:7px;right:auto;width:28px}
      .status-inner{min-height:34px}.page-hero{padding:55px 0 48px}
      .section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:10px}
      .guide-grid{grid-template-columns:1fr}.signal-band,.bottom-cta{display:block;padding:25px}
      .signal-band .btn,.bottom-cta .btn{margin-top:18px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:26px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      h1{font-size:35px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}
      .news-item{grid-template-columns:1fr auto;gap:5px 12px}.news-meta{grid-column:1/-1}
      .news-summary{font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
      .news-list{padding:5px 17px}.feature-news{padding:24px}.footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{
      --bg:#191c1f;
      --bg-deep:#121416;
      --panel:#23282a;
      --panel-2:#2a3030;
      --ink:#f5f6ee;
      --muted:#aab8ae;
      --soft:#7f9187;
      --line:#3a4541;
      --lime:#c5eb58;
      --lime-dark:#17200e;
      --mint:#b9d3c4;
      --warm:#e1bd72;
      --radius:14px;
      --shadow:0 16px 38px rgba(0,0,0,.2);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:15px;line-height:1.75;
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{letter-spacing:-.035em}
    h1{font-size:clamp(36px,5vw,65px);line-height:1.15;font-weight:800}
    h2{font-size:clamp(26px,3vw,39px);line-height:1.25;font-weight:800}
    h3{font-size:19px;line-height:1.4}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:80px;border-bottom:1px solid var(--line);background:rgba(25,28,31,.97);
      position:sticky;top:0;z-index:20
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:25px}
    .brand{display:flex;align-items:center;gap:11px;min-width:260px;font-weight:800;letter-spacing:-.03em;font-size:15px}
    .brand-mark{
      width:28px;height:28px;border:2px solid var(--lime);position:relative;display:grid;
      place-items:center;transform:rotate(45deg);flex:0 0 auto
    }
    .brand-mark:after{content:"";width:8px;height:8px;background:var(--lime);border-radius:50%}
    .brand-mark span{position:absolute;width:12px;height:2px;background:var(--lime);right:-9px;top:11px}
    .brand-text{line-height:1.25}
    .nav{display:flex;align-items:center;gap:23px;flex:1}
    .nav a{color:var(--muted);position:relative;padding:27px 0 23px;transition:.2s;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--lime)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;
      padding:0 20px;border-radius:10px;border:1px solid transparent;font-weight:700;
      transition:transform .2s,background .2s,border-color .2s,box-shadow .2s
    }
    .btn-primary{background:var(--lime);color:var(--lime-dark)}
    .btn-primary:hover{background:#d6f879;transform:translateY(-2px);box-shadow:0 8px 18px rgba(197,235,88,.14)}
    .btn-secondary{background:transparent;border-color:#64736a;color:var(--mint)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(197,235,88,.55);outline-offset:3px}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px}
    .status-bar{border-bottom:1px solid rgba(58,69,65,.7);color:var(--soft);font-size:12px}
    .status-inner{min-height:38px;display:flex;align-items:center;gap:15px}
    .status-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;box-shadow:0 0 0 4px rgba(197,235,88,.1)}
    .status-accent{color:var(--mint)}
    .hero{padding:78px 0 72px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;right:-80px;top:80px;width:43%;height:1px;background:var(--lime);opacity:.55;transform:skewX(-35deg)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:76px;align-items:center}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:20px}
    .eyebrow:before{content:"02";color:var(--bg);background:var(--lime);padding:2px 6px;border-radius:4px;letter-spacing:0}
    .hero-copy{font-size:17px;color:var(--muted);max-width:620px;margin:24px 0 30px;line-height:1.85}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .hero-note{display:flex;gap:22px;margin-top:28px;color:var(--soft);font-size:13px;flex-wrap:wrap}
    .hero-note strong{color:var(--mint);font-weight:600}
    .panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .entry-console{padding:28px}
    .console-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:8px}
    .console-title{font-weight:800;font-size:18px}
    .console-label{color:var(--lime);font-size:11px;letter-spacing:.08em}
    .check-list{display:grid;gap:0}
    .check-item{display:flex;justify-content:space-between;gap:15px;padding:17px 0;border-bottom:1px solid rgba(58,69,65,.7)}
    .check-item:last-child{border-bottom:0}
    .check-item span{color:var(--muted)}
    .check-item b{font-size:13px;color:var(--mint);font-weight:600}
    .check-item b:before{content:"—";color:var(--lime);margin-right:8px}
    .console-foot{margin-top:20px;padding:13px;background:#1c2520;color:var(--muted);font-size:13px;border-left:3px solid var(--lime)}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:10px}
    .section-intro{color:var(--muted);max-width:510px}
    .entry-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .main-entry{padding:34px;min-height:285px;display:flex;flex-direction:column;justify-content:space-between;background:#243126;border:1px solid #506444;border-radius:var(--radius)}
    .entry-code{font-size:12px;color:var(--lime);letter-spacing:.1em}
    .main-entry h3{font-size:28px;max-width:530px;margin:18px 0 8px}
    .main-entry p{color:#bdcbbd;max-width:560px;margin-bottom:22px}
    .entry-side{display:grid;gap:18px}
    .mini-entry{padding:23px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
    .mini-entry:hover{border-color:#71856a;transform:translateY(-3px)}
    .mini-entry h3{margin-bottom:6px}
    .mini-entry p{color:var(--muted);font-size:13px;margin-bottom:15px}
    .mini-entry a{color:var(--lime);font-weight:700;font-size:13px}
    .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .notice-card{padding:23px;border-top:3px solid var(--line);background:var(--panel);border-radius:0 0 var(--radius) var(--radius)}
    .notice-card.is-current{border-top-color:var(--lime)}
    .notice-card .num{color:var(--lime);font-weight:800;font-size:13px}
    .notice-card h3{margin:12px 0 7px;font-size:18px}
    .notice-card p{color:var(--muted);font-size:14px;margin:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
    .step{padding:26px 24px 20px 0;border-bottom:1px solid var(--line);position:relative}
    .step:not(:last-child){margin-right:24px}
    .step:not(:last-child):after{content:"→";position:absolute;right:0;top:27px;color:var(--lime);font-size:22px}
    .step-no{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em}
    .step h3{margin:14px 0 7px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
    .faq-aside p{color:var(--muted);margin:15px 0 20px}
    .tags{display:flex;gap:8px;flex-wrap:wrap}
    .tag{padding:5px 10px;border:1px solid var(--line);color:var(--mint);font-size:12px;border-radius:5px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:20px 0}
    summary{list-style:none;cursor:pointer;font-weight:700;display:flex;justify-content:space-between;gap:15px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--lime);font-size:22px;line-height:1}
    details[open] summary{color:var(--lime)}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);margin:14px 28px 0 0}
    .bottom-cta{background:var(--lime);color:#182016;padding:32px 38px;border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .bottom-cta h2{font-size:26px;margin-bottom:0}
    .bottom-cta p{color:#526248;margin:5px 0 0}
    .bottom-cta .btn{background:#19231a;color:var(--lime)}
    .site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{font-weight:800;font-size:17px;max-width:280px;line-height:1.45}
    .footer-desc{color:var(--soft);font-size:13px;margin-top:14px;max-width:300px}
    .footer-col h3{font-size:13px;color:var(--mint);margin-bottom:14px}
    .footer-col a{display:block;color:var(--soft);font-size:13px;margin:7px 0;transition:.2s}
    .footer-col a:hover{color:var(--lime)}
    .copyright{border-top:1px solid var(--line);margin-top:38px;padding-top:19px;color:#68776e;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:1100px){
      .header-inner{gap:15px}.brand{min-width:225px}.nav{gap:15px}
      .hero-grid{gap:38px}.faq-grid{gap:38px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,600px)}
      .site-header{height:68px}.header-inner{justify-content:space-between}
      .brand{min-width:0;font-size:14px}.brand-mark{width:25px;height:25px}
      .header-cta{display:none}.menu-toggle{display:block}
      .nav{display:none;position:absolute;top:68px;left:0;right:0;padding:8px 20px 18px;background:var(--bg-deep);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}
      .nav.is-open{display:flex}.nav a{padding:12px 0}.nav a.active:after{bottom:7px;right:auto;width:40px}
      .status-inner{min-height:42px;gap:9px}
      .hero{padding:55px 0 48px}.hero-grid{grid-template-columns:1fr;gap:30px}
      .hero:before{width:70%;top:50px}.hero-copy{font-size:16px}
      .section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .entry-layout,.faq-grid{grid-template-columns:1fr}
      .notice-grid{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr 1fr}.step:not(:last-child){margin-right:0;padding-right:20px}
      .step:not(:last-child):after{display:none}
      .bottom-cta{display:block;padding:28px}.bottom-cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media(max-width:520px){
      h1{font-size:36px}.hero-actions .btn{width:100%}
      .entry-console,.main-entry{padding:23px}.main-entry h3{font-size:23px}
      .steps{grid-template-columns:1fr}.step{padding:20px 0}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category3 */
:root{
      --bg:#191c1f;
      --bg-deep:#121416;
      --panel:#23282a;
      --panel-2:#2a3030;
      --ink:#f5f6ee;
      --muted:#aab8ae;
      --soft:#7f9187;
      --line:#3a4541;
      --lime:#c5eb58;
      --lime-dark:#17200e;
      --mint:#b9d3c4;
      --warm:#e1bd72;
      --radius:14px;
      --shadow:0 16px 38px rgba(0,0,0,.2);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:15px;line-height:1.75
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{letter-spacing:-.035em}
    h1{font-size:clamp(36px,5vw,66px);line-height:1.12;margin-bottom:22px}
    h2{font-size:clamp(27px,3.5vw,42px);line-height:1.2;margin-bottom:12px}
    h3{font-size:19px;line-height:1.4}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:80px;border-bottom:1px solid var(--line);background:rgba(25,28,31,.97);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:285px;font-weight:800;font-size:15px}
    .brand-mark{width:28px;height:28px;border:2px solid var(--lime);position:relative;display:grid;place-items:center;transform:rotate(45deg);flex:none}
    .brand-mark:after{content:"";width:8px;height:8px;background:var(--lime);border-radius:50%}
    .brand-mark span{position:absolute;width:12px;height:2px;background:var(--lime);right:-9px;top:11px}
    .brand-text{line-height:1.25}
    .nav{display:flex;align-items:center;gap:22px;flex:1}
    .nav a{color:var(--muted);position:relative;padding:27px 0 23px;transition:.2s;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--lime)}
    .header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
    .btn-primary{background:var(--lime);color:var(--lime-dark)}
    .btn-primary:hover{background:#d6f879;transform:translateY(-2px);box-shadow:0 8px 18px rgba(197,235,88,.14)}
    .btn-secondary{background:transparent;border-color:#64736a;color:var(--mint)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(197,235,88,.55);outline-offset:3px}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px}
    .status-bar{border-bottom:1px solid var(--line);color:var(--soft);font-size:12px;padding:9px 0}
    .status-bar .container{display:flex;gap:18px;align-items:center}
    .status-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;margin-right:7px}
    .hero{padding:78px 0 72px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;right:-80px;top:64px;width:43%;height:1px;background:var(--lime);opacity:.5;transform:skewX(-35deg)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:90px;align-items:center}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:20px}
    .eyebrow:before{content:"03";color:var(--bg);background:var(--lime);padding:2px 6px;border-radius:4px;letter-spacing:0}
    .hero-copy{font-size:17px;color:var(--muted);max-width:610px;margin:25px 0 30px;line-height:1.85}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{display:flex;gap:20px;margin-top:30px;color:var(--soft);font-size:13px;flex-wrap:wrap}
    .hero-note strong{color:var(--mint);font-weight:600}
    .app-visual{min-height:390px;display:flex;align-items:center;justify-content:center;position:relative}
    .device{width:222px;height:390px;border:7px solid #101314;border-radius:31px;background:#d5e5d4;box-shadow:var(--shadow);position:relative;padding:28px 15px 15px;color:#26352b;transform:rotate(5deg)}
    .device:before{content:"";position:absolute;top:9px;left:50%;transform:translateX(-50%);width:67px;height:5px;border-radius:5px;background:#101314}
    .device-top{font-size:11px;font-weight:800;border-bottom:1px solid #aabcae;padding-bottom:13px}
    .device-status{margin-top:18px;background:#263d2c;color:#d8f478;padding:10px;border-radius:8px;font-size:11px}
    .device-row{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #afc3b3;padding:14px 2px;font-size:11px}
    .device-row b{font-size:15px}
    .device-btn{background:#263d2c;color:#d8f478;text-align:center;padding:10px;border-radius:7px;margin-top:18px;font-size:11px;font-weight:700}
    .signal-card{position:absolute;right:5%;top:20px;width:185px;background:var(--panel);border:1px solid var(--line);padding:18px;border-radius:12px;box-shadow:var(--shadow)}
    .signal-card small{color:var(--soft);display:block;margin-bottom:7px}
    .signal-card strong{font-size:17px;color:var(--mint)}
    .signal-line{height:5px;background:#435148;margin-top:15px;overflow:hidden}
    .signal-line i{display:block;width:72%;height:100%;background:var(--lime)}
    .section{padding:82px 0}
    .section-alt{background:var(--bg-deep);border-top:1px solid rgba(58,69,65,.55);border-bottom:1px solid rgba(58,69,65,.55)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-intro{color:var(--muted);max-width:500px}
    .download-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:42px}
    .mini-label{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em}
    .download-panel h2{margin-top:12px}
    .download-panel p{color:var(--muted);max-width:590px}
    .download-list{display:grid;gap:0;margin:25px 0 28px}
    .download-list li{list-style:none;border-top:1px solid var(--line);padding:12px 0;color:var(--mint)}
    .download-list li:before{content:"✓";color:var(--lime);font-weight:800;margin-right:12px}
    .download-list ul{padding:0;margin:0}
    .panel-side{border-left:1px solid var(--line);padding-left:42px;display:flex;align-items:center}
    .info-block{width:100%;background:#1b211f;border:1px solid #52634f;padding:23px;border-radius:10px}
    .info-block h3{color:var(--lime);font-size:17px}
    .info-row{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid #34403a;color:var(--muted);font-size:13px}
    .info-row:last-child{border-bottom:0}
    .info-row strong{color:var(--ink);font-weight:600;text-align:right}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:28px 28px 10px 0;border-right:1px solid var(--line);margin-right:28px}
    .step:last-child{border-right:0;margin-right:0}
    .step-no{color:var(--lime);font-size:30px;font-weight:800;line-height:1}
    .step h3{margin:18px 0 8px}
    .step p{color:var(--muted);font-size:14px}
    .notice-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:start}
    .notice-card{background:var(--panel-2);border-left:3px solid var(--warm);padding:25px 28px;border-radius:0 10px 10px 0}
    .notice-card p{color:var(--muted);margin-bottom:0}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:19px 0}
    summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--lime);font-size:21px;line-height:1}
    details[open] summary:after{content:"−"}
    details[open]{border-left:2px solid var(--lime);padding-left:18px}
    details p{color:var(--muted);margin:14px 30px 2px 0}
    .bottom-cta{background:var(--lime);color:#182016;padding:32px 38px;border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .bottom-cta h2{font-size:28px;margin-bottom:0}
    .bottom-cta p{color:#526248;margin:5px 0 0}
    .bottom-cta .btn{background:#19231a;color:var(--lime)}
    .site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{font-weight:800;font-size:17px;max-width:280px;line-height:1.45}
    .footer-desc{color:var(--soft);font-size:13px;margin-top:14px;max-width:300px}
    .footer-col h3{font-size:13px;color:var(--mint);margin-bottom:14px}
    .footer-col a{display:block;color:var(--soft);font-size:13px;margin:7px 0;transition:.2s}
    .footer-col a:hover{color:var(--lime)}
    .copyright{border-top:1px solid var(--line);margin-top:38px;padding-top:19px;color:#68776e;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:1100px){
      .brand{min-width:235px}.nav{gap:14px}.header-inner{gap:16px}
      .hero-grid{gap:45px}.download-panel{gap:35px}
    }
    @media(max-width:800px){
      .site-header{height:auto;min-height:70px}.header-inner{min-height:70px;flex-wrap:wrap}
      .brand{flex:1;min-width:0}.header-cta{display:none}.menu-toggle{display:block}
      .nav{display:none;order:3;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;padding:8px 0 16px}
      .nav.open{display:flex}.nav a{padding:11px 0}.nav a.active:after{bottom:5px;right:auto;width:38px}
      .hero{padding:55px 0}.hero-grid,.download-panel,.notice-grid{grid-template-columns:1fr}
      .app-visual{min-height:360px}.panel-side{border-left:0;border-top:1px solid var(--line);padding:30px 0 0}
      .steps{grid-template-columns:1fr;border-top:0}.step{border-right:0;border-bottom:1px solid var(--line);margin:0;padding:24px 0}
      .step:last-child{border-bottom:0}.section{padding:62px 0}
      .section-head{display:block}.section-intro{margin-top:12px}.footer-grid{grid-template-columns:1fr 1fr}
      .bottom-cta{display:block;padding:28px}.bottom-cta .btn{margin-top:20px}
    }
    @media(max-width:520px){
      .container{width:min(100% - 32px,var(--container))}
      h1{font-size:38px}.hero-copy{font-size:15px}.hero-note{display:block}.hero-note span{display:block;margin:7px 0}
      .device{transform:rotate(3deg) scale(.9)}.signal-card{right:0;top:8px;transform:scale(.86);transform-origin:right top}
      .download-panel{padding:25px 20px}.footer-grid{grid-template-columns:1fr;gap:25px}
      .copyright{display:block}.copyright span{display:block;margin:6px 0}
      .bottom-cta h2{font-size:24px}
    }

/* roulang page: category4 */
:root{
      --bg:#191c1f;
      --bg-deep:#121416;
      --panel:#23282a;
      --panel-2:#2a3030;
      --ink:#f5f6ee;
      --muted:#aab8ae;
      --soft:#7f9187;
      --line:#3a4541;
      --lime:#c5eb58;
      --lime-dark:#17200e;
      --mint:#b9d3c4;
      --warm:#e1bd72;
      --radius:14px;
      --shadow:0 16px 38px rgba(0,0,0,.2);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.75;font-size:15px;
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{letter-spacing:-.035em}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.13;font-weight:800}
    h2{font-size:clamp(25px,3vw,38px);line-height:1.25;font-weight:800}
    h3{font-size:19px;line-height:1.4}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:80px;border-bottom:1px solid var(--line);background:rgba(25,28,31,.97);
      position:sticky;top:0;z-index:20;
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:270px;font-weight:800;font-size:15px}
    .brand-mark{
      width:28px;height:28px;border:2px solid var(--lime);position:relative;
      display:grid;place-items:center;transform:rotate(45deg);flex:none;
    }
    .brand-mark:after{content:"";width:8px;height:8px;background:var(--lime);border-radius:50%}
    .brand-mark span{position:absolute;width:12px;height:2px;background:var(--lime);right:-9px;top:11px}
    .brand-text{line-height:1.25}
    .nav{display:flex;align-items:center;gap:24px;flex:1}
    .nav a{color:var(--muted);position:relative;padding:27px 0 23px;transition:.2s;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--lime)}
    .header-cta{white-space:nowrap}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;
      padding:0 20px;border-radius:10px;border:1px solid transparent;font-weight:700;
      transition:transform .2s,background .2s,border-color .2s,box-shadow .2s;
    }
    .btn-primary{background:var(--lime);color:var(--lime-dark)}
    .btn-primary:hover{background:#d6f879;transform:translateY(-2px);box-shadow:0 8px 18px rgba(197,235,88,.14)}
    .btn-secondary{background:transparent;border-color:#64736a;color:var(--mint)}
    .btn-secondary:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(197,235,88,.55);outline-offset:3px}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px}
    .status-bar{border-bottom:1px solid var(--line);color:var(--soft);font-size:12px}
    .status-inner{display:flex;gap:22px;align-items:center;min-height:37px}
    .status-live{color:var(--mint)}
    .status-live:before{content:"";display:inline-block;width:7px;height:7px;background:var(--lime);border-radius:50%;margin-right:8px}
    .crumbs{padding-top:28px;color:var(--soft);font-size:13px}
    .crumbs a:hover{color:var(--lime)}
    .crumbs span{margin:0 9px;color:#536159}
    .guide-hero{padding:48px 0 64px;border-bottom:1px solid var(--line)}
    .guide-hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:75px;align-items:end}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:19px}
    .eyebrow:before{content:"04";color:var(--bg);background:var(--lime);padding:2px 6px;border-radius:4px;letter-spacing:0}
    .hero-copy{font-size:17px;color:var(--muted);max-width:620px;line-height:1.85;margin:22px 0 29px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .guide-index{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:27px 29px;position:relative}
    .guide-index:before{content:"访问路径";position:absolute;right:24px;top:20px;color:var(--lime);font-size:11px;letter-spacing:.12em}
    .guide-index h2{font-size:21px;margin-bottom:20px}
    .index-row{display:flex;gap:16px;padding:14px 0;border-top:1px solid var(--line)}
    .index-row b{color:var(--lime);font-size:13px;width:25px}
    .index-row span{color:var(--mint)}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-intro{color:var(--muted);max-width:470px;margin-bottom:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:27px 25px 24px 0;border-bottom:1px solid var(--line);min-height:220px;position:relative}
    .step:not(:last-child){margin-right:25px}
    .step:not(:last-child):after{content:"→";position:absolute;right:4px;top:28px;color:var(--lime);font-size:22px}
    .step-no{font-size:13px;color:var(--lime);font-weight:800;letter-spacing:.1em;margin-bottom:22px}
    .step h3{margin-bottom:10px}
    .step p{color:var(--muted);font-size:14px;margin-bottom:0}
    .notice-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}
    .notice-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:29px}
    .notice-card.accent{background:#202b20;border-color:#526548}
    .notice-card h3{margin-bottom:13px}
    .notice-card p{color:var(--muted);margin-bottom:0}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
    .tag{padding:5px 10px;border:1px solid var(--line);color:var(--mint);font-size:12px;border-radius:5px}
    .bullet-list{list-style:none;padding:0;margin:18px 0 0}
    .bullet-list li{position:relative;padding:9px 0 9px 22px;color:var(--muted);border-bottom:1px solid rgba(58,69,65,.65)}
    .bullet-list li:last-child{border-bottom:0}
    .bullet-list li:before{content:"—";position:absolute;left:0;color:var(--lime);font-weight:800}
    .callout{margin-top:20px;padding:17px 19px;border-left:3px solid var(--warm);background:#292921;color:var(--muted);font-size:14px}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
    .faq-aside p{color:var(--muted);margin:15px 0 20px}
    .tags{display:flex;gap:8px;flex-wrap:wrap}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:0}
    summary{list-style:none;cursor:pointer;padding:20px 36px 20px 0;font-weight:700;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:5px;color:var(--lime);font-size:22px;font-weight:400}
    details[open] summary{color:var(--lime)}
    details[open] summary:after{content:"—"}
    details p{color:var(--muted);padding:0 35px 20px 0;margin-bottom:0;font-size:14px}
    .bottom-cta{background:var(--lime);color:#182016;padding:32px 38px;border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .bottom-cta h2{font-size:26px;margin-bottom:0}
    .bottom-cta p{color:#526248;margin:5px 0 0}
    .bottom-cta .btn{background:#19231a;color:var(--lime)}
    .site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{font-weight:800;font-size:17px;max-width:280px;line-height:1.45}
    .footer-desc{color:var(--soft);font-size:13px;margin-top:14px;max-width:300px}
    .footer-col h3{font-size:13px;color:var(--mint);margin-bottom:14px}
    .footer-col a{display:block;color:var(--soft);font-size:13px;margin:7px 0;transition:.2s}
    .footer-col a:hover{color:var(--lime)}
    .copyright{border-top:1px solid var(--line);margin-top:38px;padding-top:19px;color:#68776e;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:1100px){
      .brand{min-width:225px}.nav{gap:15px}.header-inner{gap:16px}
      .guide-hero-grid{gap:40px}
    }
    @media(max-width:800px){
      .site-header{height:68px}.container{width:min(100% - 32px,600px)}
      .header-inner{justify-content:space-between}.brand{min-width:0;font-size:14px}
      .header-cta{margin-left:auto}.header-cta .btn{min-height:40px;padding:0 13px;font-size:13px}
      .menu-toggle{display:block}.nav{
        display:none;position:absolute;top:68px;left:0;right:0;padding:10px 16px 17px;
        background:var(--bg-deep);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;
      }
      .nav.open{display:flex}.nav a{padding:11px 4px}.nav a.active:after{bottom:4px;right:auto;width:28px}
      .status-inner{min-height:34px;gap:12px;flex-wrap:wrap}.status-inner span:last-child{display:none}
      .guide-hero{padding:38px 0 48px}.guide-hero-grid,.notice-grid,.faq-grid{grid-template-columns:1fr;gap:30px}
      .steps{grid-template-columns:1fr 1fr;border-top:0;gap:0 20px}
      .step{min-height:190px;border-top:1px solid var(--line);padding-right:8px}
      .step:not(:last-child){margin-right:0}.step:not(:last-child):after{display:none}
      .section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .bottom-cta{display:block;padding:27px 24px}.bottom-cta .btn{margin-top:19px}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media(max-width:520px){
      h1{font-size:35px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}
      .guide-index{padding:22px}.steps{grid-template-columns:1fr}
      .step{min-height:auto;padding:22px 0}.step-no{margin-bottom:10px}
      .notice-card{padding:23px}.footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }

/* 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}