/* roulang page: index */
:root{
  --ink:#17121f;
  --ink-2:#21192d;
  --panel:#282033;
  --panel-2:#31273d;
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(83,244,198,.42);
  --text:#f8f4fb;
  --muted:#b9afc4;
  --soft:#897e98;
  --mint:#53f4c6;
  --mint-dark:#1cc29a;
  --amber:#ffb24b;
  --danger:#ff806d;
  --radius:16px;
  --shadow:0 18px 45px rgba(0,0,0,.22);
  --container:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
body:before{
  content:"";
  position:fixed;inset:0;pointer-events:none;opacity:.28;z-index:-1;
  background-image:radial-gradient(rgba(255,255,255,.11) .7px,transparent .7px);
  background-size:7px 7px;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{
  height:82px;background:rgba(23,18,31,.96);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
}
.header-inner{height:100%;display:flex;align-items:center;gap:36px}
.logo{display:flex;align-items:center;gap:12px;min-width:260px}
.logo-mark{
  width:37px;height:37px;border:2px solid var(--mint);border-radius:11px;
  display:grid;place-items:center;color:var(--mint);font-weight:900;font-size:18px;
  transform:rotate(-8deg);
}
.logo-copy{line-height:1.15}
.logo-copy strong{display:block;font-size:16px;letter-spacing:.2px}
.logo-copy small{display:block;color:var(--mint);font-size:10px;letter-spacing:1.8px;margin-top:5px}
.main-nav{display:flex;align-items:center;gap:6px;flex:1}
.main-nav a,.mobile-nav a{
  position:relative;color:var(--muted);font-size:14px;padding:27px 12px;transition:.25s;
}
.main-nav a:hover,.main-nav a.active{color:var(--mint)}
.main-nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:17px;height:2px;background:var(--mint)}
.header-action{white-space:nowrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 19px;border-radius:9px;border:1px solid transparent;
  font-size:14px;font-weight:700;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;
}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(83,244,198,.45);outline-offset:3px}
.btn-primary{background:var(--mint);color:#10211e;box-shadow:0 9px 24px rgba(83,244,198,.16)}
.btn-primary:hover{background:#7affd8;box-shadow:0 12px 28px rgba(83,244,198,.25)}
.btn-amber{background:var(--amber);color:#291909;box-shadow:0 9px 24px rgba(255,178,75,.14)}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.035)}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--mint)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:9px}
.hero{
  position:relative;min-height:610px;display:flex;align-items:center;
  background:linear-gradient(112deg,#17121f 0%,#21182b 58%,#2b1c32 100%);
  border-bottom:1px solid var(--line);overflow:hidden;
}
.hero:after{
  content:"";position:absolute;width:570px;height:570px;right:-150px;top:-150px;border:1px solid rgba(83,244,198,.18);
  border-radius:50%;box-shadow:0 0 0 35px rgba(83,244,198,.025),0 0 0 90px rgba(83,244,198,.018);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:70px;position:relative;z-index:1}
.eyebrow{display:flex;align-items:center;gap:10px;color:var(--mint);font-size:13px;font-weight:700;letter-spacing:1.2px;margin-bottom:22px}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
.hero h1{font-size:clamp(38px,4.6vw,60px);line-height:1.18;letter-spacing:-1.7px;max-width:700px}
.hero h1 em{color:var(--mint);font-style:normal}
.hero-lead{color:var(--muted);font-size:18px;max-width:630px;margin:24px 0 32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{display:flex;gap:22px;margin-top:34px;color:var(--soft);font-size:13px}
.hero-note span{display:flex;align-items:center;gap:7px}
.hero-note i{width:7px;height:7px;background:var(--mint);border-radius:50%;display:inline-block}
.hero-art{min-height:400px;position:relative;display:grid;place-items:center}
.orbit{width:350px;height:350px;border:1px solid rgba(83,244,198,.23);border-radius:50%;position:absolute}
.orbit:before,.orbit:after{content:"";position:absolute;border-radius:50%;background:var(--mint);box-shadow:0 0 18px var(--mint)}
.orbit:before{width:9px;height:9px;top:35px;left:50px}.orbit:after{width:6px;height:6px;right:20px;bottom:75px}
.content-screen{
  position:relative;width:285px;height:390px;border:7px solid #40334c;border-radius:27px;
  background:#1c1825;box-shadow:var(--shadow),0 0 0 1px rgba(255,255,255,.16);
  padding:19px 16px;transform:rotate(5deg);
}
.screen-top{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin-bottom:22px}
.screen-brand{font-weight:800;color:var(--text);font-size:18px;margin-bottom:16px}
.screen-brand b{color:var(--mint)}
.screen-feature{height:115px;border-radius:12px;background:linear-gradient(135deg,#26483f,#6b422a);padding:14px;display:flex;align-items:end;font-size:15px;font-weight:700}
.screen-line{height:9px;background:#3a3044;border-radius:4px;margin-top:14px}.screen-line.short{width:62%;background:#4a3c54}
.screen-tabs{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:23px;padding-top:15px;color:var(--soft);font-size:11px}.screen-tabs b{color:var(--mint)}
.section{padding:104px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-kicker{color:var(--mint);font-size:12px;letter-spacing:1.6px;font-weight:800;margin-bottom:8px}
.section h2{font-size:34px;line-height:1.25;letter-spacing:-.8px}
.section-intro{color:var(--muted);max-width:570px;margin-top:11px}
.text-link{color:var(--mint);font-size:14px;font-weight:700;white-space:nowrap}
.text-link:hover{text-decoration:underline}
.entry-layout{display:grid;grid-template-columns:1.42fr .86fr .86fr;grid-template-rows:1fr 1fr;gap:16px}
.entry{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:26px;position:relative;overflow:hidden;transition:.25s}
.entry:hover,.article-row:hover,.recommend:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.entry-primary{grid-row:span 2;background:linear-gradient(145deg,#30253c,#22202f);display:flex;flex-direction:column;justify-content:end;min-height:330px}
.entry-primary:before{content:"NG28";position:absolute;right:-12px;top:30px;font-size:84px;font-weight:900;color:rgba(83,244,198,.08);letter-spacing:-7px}
.entry-icon{color:var(--mint);font-size:23px;margin-bottom:16px}
.entry h3{font-size:22px;margin-bottom:9px}.entry:not(.entry-primary) h3{font-size:19px}
.entry p{color:var(--muted);font-size:14px}
.entry-label{display:block;color:var(--amber);font-size:12px;margin-bottom:16px;font-weight:700}
.news-area{background:#21192d}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.feature-news{border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);overflow:hidden}
.news-visual{height:214px;background:linear-gradient(120deg,#324942,#4f302e);position:relative;padding:22px}
.news-visual:after{content:"南宫娱乐 / NG28";position:absolute;right:20px;bottom:17px;color:rgba(255,255,255,.72);font-size:13px}
.news-body{padding:25px}.tag{display:inline-block;border:1px solid rgba(83,244,198,.35);color:var(--mint);padding:3px 9px;border-radius:5px;font-size:12px;line-height:1.5;margin-bottom:13px}
.news-body h3{font-size:23px;line-height:1.45;margin-bottom:10px}.news-body p{color:var(--muted);font-size:14px}
.news-meta{display:flex;justify-content:space-between;color:var(--soft);font-size:12px;margin-top:22px}
.news-list{display:flex;flex-direction:column;gap:10px}
.article-row{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:19px 20px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.035);transition:.25s}
.article-row h3{font-size:16px;line-height:1.5;margin-bottom:5px}.article-row p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.article-info{display:flex;gap:10px;align-items:center;color:var(--soft);font-size:12px}.article-info .tag{margin:0}
.row-arrow{color:var(--mint);font-size:22px}
.empty-state{padding:40px 25px;border:1px dashed var(--line-strong);border-radius:12px;color:var(--muted);text-align:center}
.recommend-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
.recommend{min-height:185px;border:1px solid var(--line);border-radius:var(--radius);padding:25px;background:var(--panel);transition:.25s}
.recommend:first-child{background:linear-gradient(145deg,#29483f,#282033)}
.recommend-num{color:var(--amber);font-size:13px;font-weight:800;margin-bottom:28px}.recommend h3{font-size:20px;margin-bottom:8px}.recommend p{color:var(--muted);font-size:14px}
.download-section{padding:0 0 105px}
.download-box{border:1px solid rgba(83,244,198,.3);border-radius:20px;background:linear-gradient(120deg,#2c2438,#1d2930);padding:52px 60px;display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center;overflow:hidden}
.device-stack{height:245px;position:relative}.device-card{position:absolute;width:170px;height:225px;border:5px solid #50415b;border-radius:20px;background:#1b1823;padding:14px;box-shadow:var(--shadow)}
.device-card.one{left:25px;top:20px;transform:rotate(-10deg);opacity:.7}.device-card.two{left:145px;top:0;transform:rotate(8deg)}
.device-bar{height:8px;background:var(--mint);border-radius:4px;margin-bottom:18px}.device-block{height:65px;background:#493a4e;border-radius:9px;margin-bottom:12px}.device-text{height:7px;background:#63546a;border-radius:4px;margin:8px 0}
.download-box h2{font-size:34px;line-height:1.3}.download-box h2 span{color:var(--mint)}.download-box p{color:var(--muted);margin:16px 0 23px;max-width:600px}
.points{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:26px}.points span{font-size:13px;color:#d8d0df}.points i{color:var(--mint);font-style:normal;margin-right:6px}
.brand-row{display:grid;grid-template-columns:1fr 1.15fr;gap:65px;align-items:start}
.brand-copy{border-left:3px solid var(--mint);padding-left:25px}.brand-copy h2{font-size:31px}.brand-copy p{color:var(--muted);margin-top:16px}
.fact-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.fact{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.fact strong{display:block;color:var(--mint);font-size:24px}.fact span{font-size:13px;color:var(--muted)}
.faq-section{background:#21192d}.faq-list{max-width:930px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;border:0;background:none;color:var(--text);display:flex;justify-content:space-between;text-align:left;padding:21px 4px;font-weight:700;font-size:16px}.faq-question span{color:var(--mint);font-size:22px;transition:.25s}.faq-answer{color:var(--muted);font-size:14px;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s}.faq-item.open .faq-answer{max-height:100px;padding:0 35px 20px 4px}.faq-item.open .faq-question span{transform:rotate(45deg)}
.cta{padding:75px 0}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:35px 42px;background:var(--mint);color:#12201d;border-radius:16px}.cta-box h2{font-size:28px;line-height:1.35}.cta-box p{margin-top:5px;color:#315049;font-size:14px}.cta-box .btn{background:#17121f;color:var(--text)}
.site-footer{background:#100d16;border-top:1px solid var(--line);padding:55px 0 25px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:45px}.footer-brand p{color:var(--soft);font-size:13px;max-width:290px;margin-top:15px}.footer-title{font-size:13px;color:var(--text);font-weight:700;margin-bottom:15px}.footer-links{display:flex;flex-direction:column;gap:8px}.footer-links a{font-size:13px;color:var(--soft);transition:.2s}.footer-links a:hover{color:var(--mint)}.footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;color:#6f6579;font-size:12px}
@media(max-width:1200px){.main-nav{gap:0}.main-nav a{padding-left:8px;padding-right:8px}.logo{min-width:230px}.hero-grid{gap:35px}}
@media(max-width:900px){.main-nav,.header-action{display:none}.menu-toggle{display:block;margin-left:auto}.hero{min-height:auto;padding:85px 0}.hero-grid{grid-template-columns:1fr}.hero-art{min-height:340px}.entry-layout{grid-template-columns:1fr 1fr}.entry-primary{grid-row:auto;grid-column:span 2;min-height:260px}.news-grid,.brand-row,.download-box{grid-template-columns:1fr;gap:30px}.download-box{padding:40px}.recommend-grid{grid-template-columns:1fr 1fr}.recommend:first-child{grid-column:span 2}.footer-top{grid-template-columns:1.5fr 1fr 1fr}}
@media(max-width:700px){.container{width:min(100% - 32px,var(--container))}.site-header{height:70px}.logo{min-width:0}.logo-mark{width:32px;height:32px}.logo-copy strong{font-size:14px}.logo-copy small{font-size:8px}.mobile-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#17121f;border-bottom:1px solid var(--line);padding:8px 16px 16px}.mobile-nav.show{display:flex;flex-direction:column}.mobile-nav a{padding:13px 10px;border-bottom:1px solid var(--line)}.hero{padding:65px 0 55px}.hero h1{font-size:37px}.hero-lead{font-size:16px}.hero-art{transform:scale(.86);margin:-15px 0 -35px}.section{padding:72px 0}.section-head{align-items:start;flex-direction:column;margin-bottom:24px}.section h2{font-size:29px}.entry-layout,.recommend-grid{grid-template-columns:1fr}.entry-primary,.recommend:first-child{grid-column:auto}.news-grid{gap:15px}.news-visual{height:170px}.download-section{padding-bottom:72px}.download-box{padding:30px 22px}.download-box h2{font-size:29px}.device-stack{transform:scale(.82);transform-origin:left center;margin-bottom:-25px}.cta{padding:55px 0}.cta-box{align-items:start;flex-direction:column;padding:28px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:span 2}}
@media(max-width:480px){.hero h1{font-size:31px;letter-spacing:-.8px}.hero-actions .btn{width:100%}.hero-note{gap:10px;flex-direction:column}.content-screen{transform:rotate(3deg) scale(.86)}.orbit{transform:scale(.82)}.article-row{padding:16px 14px;grid-template-columns:1fr auto}.article-row h3{font-size:15px}.article-row p{font-size:12px}.news-body{padding:20px}.news-body h3{font-size:20px}.fact-list{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column;gap:7px}.device-stack{transform:scale(.7);margin-left:-15px}}

/* roulang page: article */
:root{
      --ink:#17121f;--ink-2:#21192d;--panel:#282033;--panel-2:#31273d;
      --line:rgba(255,255,255,.12);--line-strong:rgba(83,244,198,.42);
      --text:#f8f4fb;--muted:#b9afc4;--soft:#897e98;--mint:#53f4c6;
      --mint-dark:#1cc29a;--amber:#ffb24b;--danger:#ff806d;--radius:16px;
      --shadow:0 18px 45px rgba(0,0,0,.22);--container:1240px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.25;z-index:-1;background-image:radial-gradient(rgba(255,255,255,.1) .7px,transparent .7px);background-size:7px 7px}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:82px;background:rgba(23,18,31,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:12px;min-width:260px}
    .logo-mark{width:37px;height:37px;border:2px solid var(--mint);border-radius:11px;display:grid;place-items:center;color:var(--mint);font-weight:900;font-size:18px;transform:rotate(-8deg)}
    .logo-copy{line-height:1.15}.logo-copy strong{display:block;font-size:16px;letter-spacing:.2px}.logo-copy small{display:block;color:var(--mint);font-size:10px;letter-spacing:1.8px;margin-top:5px}
    .main-nav{display:flex;align-items:center;gap:3px;flex:1}.main-nav a,.mobile-nav a{position:relative;color:var(--muted);font-size:14px;padding:27px 10px;transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--mint)}.main-nav a.active:after{content:"";position:absolute;left:10px;right:10px;bottom:17px;height:2px;background:var(--mint)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 19px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:700;transition:.25s}
    .btn:hover{transform:translateY(-2px)}.btn:focus-visible,.menu-toggle:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(83,244,198,.45);outline-offset:3px}
    .btn-primary{background:var(--mint);color:#10211e;box-shadow:0 9px 24px rgba(83,244,198,.16)}.btn-primary:hover{background:#7affd8}
    .btn-amber{background:var(--amber);color:#291909}.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.035)}.btn-ghost:hover{border-color:var(--line-strong);color:var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:9px}
    .mobile-nav{display:none}
    .article-hero{padding:72px 0 64px;background:linear-gradient(112deg,#17121f,#281b32);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;gap:10px;flex-wrap:wrap;color:var(--soft);font-size:13px;margin-bottom:28px}.breadcrumb a{color:var(--mint)}.breadcrumb span{opacity:.55}
    .article-hero h1{max-width:900px;font-size:clamp(34px,5vw,58px);line-height:1.22;letter-spacing:-1.5px;margin:0 0 22px}
    .article-hero h1:after{content:"";display:block;width:64px;height:3px;background:var(--mint);margin-top:24px}
    .article-summary{max-width:790px;color:var(--muted);font-size:18px;margin:0}
    .article-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--soft);font-size:13px;margin-top:28px}.article-meta strong{color:var(--mint);font-weight:600}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 280px;gap:54px;align-items:start;padding:78px 0 100px}
    .article-content{font-size:17px;color:#e6deeb;min-width:0}.article-content h2{font-size:30px;line-height:1.35;margin:42px 0 16px;color:var(--text)}.article-content h3{font-size:22px;margin:30px 0 12px;color:var(--text)}
    .article-content p{margin:0 0 20px}.article-content ul,.article-content ol{padding-left:25px;margin:0 0 24px}.article-content li{margin:8px 0}.article-content a{color:var(--mint);text-decoration:underline;text-underline-offset:3px}
    .article-content blockquote{margin:28px 0;padding:20px 24px;border-left:3px solid var(--amber);background:rgba(255,178,75,.08);color:#f2d9b5;border-radius:0 10px 10px 0}
    .article-content img{border-radius:14px;border:1px solid var(--line);margin:28px auto}.article-content table{width:100%;border-collapse:collapse;margin:28px 0;background:var(--panel);border-radius:10px;overflow:hidden}.article-content th,.article-content td{padding:12px 15px;border:1px solid var(--line);text-align:left}
    .article-content .notice{padding:18px 20px;background:rgba(83,244,198,.08);border:1px solid var(--line-strong);border-radius:12px;margin:25px 0}
    .side-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:23px;position:sticky;top:110px}.side-kicker{font-size:12px;color:var(--mint);letter-spacing:1.5px;font-weight:800}.side-card h2{font-size:20px;line-height:1.4;margin:10px 0 18px}.side-links{display:grid;gap:5px}.side-links a{padding:10px 0;color:var(--muted);border-bottom:1px solid var(--line);font-size:14px}.side-links a:hover{color:var(--mint)}
    .empty-state{padding:48px 28px;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);color:var(--muted)}.empty-icon{font-size:34px;color:var(--mint);margin-bottom:10px}.empty-state h2{color:var(--text);font-size:24px;margin:0 0 8px}
    .article-foot{border-top:1px solid var(--line);padding-top:28px;margin-top:45px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
    .site-footer{background:#110d17;border-top:1px solid var(--line);padding:58px 0 22px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:var(--soft);font-size:14px;max-width:270px;margin-top:19px}.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px}.footer-links{display:grid;gap:8px}.footer-links a{color:var(--soft);font-size:13px;transition:.2s}.footer-links a:hover{color:var(--mint);padding-left:3px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:42px;padding-top:20px;color:var(--soft);font-size:12px}
    @media(max-width:1200px){.header-inner{gap:16px}.logo{min-width:230px}.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.main-nav a.active:after{left:7px;right:7px}}
    @media(max-width:900px){.main-nav,.header-action{display:none}.header-inner{justify-content:space-between}.menu-toggle{display:block}.mobile-nav{position:absolute;display:none;top:81px;left:0;right:0;background:#1b1424;border-bottom:1px solid var(--line);padding:8px 24px}.mobile-nav.open{display:grid}.mobile-nav a{padding:13px 4px;border-bottom:1px solid var(--line)}.article-layout{grid-template-columns:1fr}.side-card{position:static}.footer-top{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.article-hero{padding:48px 0}.article-layout{padding:50px 0 68px}.article-content{font-size:16px}.article-content h2{font-size:27px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}}
    @media(max-width:520px){.logo{min-width:0}.logo-copy strong{font-size:13px}.logo-copy small{font-size:9px}.article-hero h1{font-size:34px}.article-summary{font-size:16px}.article-meta{gap:9px 14px}.article-content table{font-size:13px;display:block;overflow-x:auto}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:grid;gap:5px}}

/* roulang page: category1 */
:root{
      --ink:#17121f;--ink-2:#21192d;--panel:#282033;--panel-2:#31273d;
      --line:rgba(255,255,255,.12);--line-strong:rgba(83,244,198,.42);
      --text:#f8f4fb;--muted:#b9afc4;--soft:#897e98;--mint:#53f4c6;
      --mint-dark:#1cc29a;--amber:#ffb24b;--danger:#ff806d;--radius:16px;
      --shadow:0 18px 45px rgba(0,0,0,.22);--container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.28;z-index:-1;background-image:radial-gradient(rgba(255,255,255,.11) .7px,transparent .7px);background-size:7px 7px}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:82px;background:rgba(23,18,31,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:12px;min-width:260px}
    .logo-mark{width:37px;height:37px;border:2px solid var(--mint);border-radius:11px;display:grid;place-items:center;color:var(--mint);font-weight:900;font-size:18px;transform:rotate(-8deg)}
    .logo-copy{line-height:1.15}.logo-copy strong{display:block;font-size:16px;letter-spacing:.2px}.logo-copy small{display:block;color:var(--mint);font-size:10px;letter-spacing:1.8px;margin-top:5px}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1}
    .main-nav a,.mobile-nav a{position:relative;color:var(--muted);font-size:14px;padding:27px 10px;transition:.25s}
    .main-nav a:hover,.main-nav a.active,.mobile-nav a:hover{color:var(--mint)}
    .main-nav a.active:after{content:"";position:absolute;left:10px;right:10px;bottom:17px;height:2px;background:var(--mint)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 19px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:700;transition:.25s}
    .btn:hover{transform:translateY(-2px)}.btn:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(83,244,198,.45);outline-offset:3px}
    .btn-primary{background:var(--mint);color:#10211e;box-shadow:0 9px 24px rgba(83,244,198,.16)}.btn-primary:hover{background:#7affd8}
    .btn-amber{background:var(--amber);color:#291909}.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.035)}.btn-ghost:hover{border-color:var(--line-strong);color:var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:9px}.mobile-nav{display:none}
    .page-hero{padding:94px 0 88px;background:linear-gradient(112deg,#17121f,#281a31 65%,#332039);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:480px;height:480px;right:-140px;top:-190px;border:1px solid rgba(83,244,198,.2);border-radius:50%;box-shadow:0 0 0 35px rgba(83,244,198,.025),0 0 0 90px rgba(83,244,198,.018)}
    .hero-content{position:relative;z-index:1;max-width:790px}.eyebrow{display:flex;align-items:center;gap:10px;color:var(--mint);font-size:13px;font-weight:700;letter-spacing:1.2px;margin-bottom:20px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
    h1,h2,h3,p{margin-top:0}.page-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.18;letter-spacing:-1.5px;margin-bottom:20px}.page-hero h1 em{color:var(--mint);font-style:normal}.lead{color:var(--muted);font-size:18px;max-width:720px;margin-bottom:30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .crumbs{padding:18px 0;color:var(--soft);font-size:13px;border-bottom:1px solid var(--line)}.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--mint)}.crumbs span{margin:0 9px;color:var(--mint)}
    .section{padding:86px 0}.section-alt{background:var(--ink-2)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:32px}.section-kicker{color:var(--mint);font-size:12px;letter-spacing:1.6px;font-weight:800;margin-bottom:8px}.section h2{font-size:34px;line-height:1.25;letter-spacing:-.8px;margin-bottom:0}.section-intro{color:var(--muted);max-width:620px;margin:12px 0 0}.text-link{color:var(--mint);font-size:14px;font-weight:700;white-space:nowrap}.text-link:hover{text-decoration:underline}
    .news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.feature-card,.news-row,.topic-card,.timeline-item,.info-panel,.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:.25s}.feature-card:hover,.news-row:hover,.topic-card:hover,.timeline-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
    .feature-visual{height:235px;padding:25px;display:flex;align-items:end;background:linear-gradient(135deg,#24483f,#654329 58%,#35213c);position:relative;overflow:hidden}.feature-visual:after{content:"NG28";position:absolute;right:22px;top:20px;color:rgba(255,255,255,.14);font-weight:900;font-size:52px;letter-spacing:3px}.visual-label{position:relative;z-index:1;border:1px solid rgba(255,255,255,.25);padding:6px 10px;border-radius:6px;font-size:12px;color:#fff}
    .feature-body{padding:26px}.tag{display:inline-block;border:1px solid rgba(83,244,198,.35);color:var(--mint);padding:3px 9px;border-radius:5px;font-size:12px;line-height:1.5;margin-bottom:13px}.feature-body h3{font-size:25px;line-height:1.4;margin-bottom:10px}.feature-body p{color:var(--muted);font-size:14px}.meta{display:flex;justify-content:space-between;color:var(--soft);font-size:12px;margin-top:22px}
    .news-list{display:flex;flex-direction:column;gap:12px}.news-row{padding:19px 20px;display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center}.news-row h3{font-size:17px;line-height:1.45;margin:0 0 6px}.news-row p{font-size:13px;color:var(--muted);margin:0}.arrow{color:var(--mint);font-size:23px}
    .topic-strip{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:16px}.topic-card{padding:25px;min-height:178px}.topic-card.large{background:linear-gradient(135deg,#30213d,#24483f)}.topic-card h3{font-size:21px;margin:16px 0 8px}.topic-card p{font-size:14px;color:var(--muted);margin-bottom:16px}.topic-number{color:var(--amber);font-size:13px;font-weight:800}
    .timeline{position:relative;display:grid;gap:14px}.timeline:before{content:"";position:absolute;left:14px;top:20px;bottom:20px;width:1px;background:rgba(83,244,198,.35)}.timeline-item{position:relative;margin-left:40px;padding:20px 23px}.timeline-item:before{content:"";position:absolute;left:-33px;top:25px;width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(83,244,198,.1)}.timeline-item h3{font-size:18px;margin-bottom:5px}.timeline-item p{font-size:14px;color:var(--muted);margin:0}.timeline-date{color:var(--amber);font-size:12px;font-weight:700;margin-bottom:4px}
    .info-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}.info-panel{padding:28px}.info-panel h3{font-size:22px;margin-bottom:12px}.info-panel p{color:var(--muted);font-size:15px}.point-list{padding:0;margin:18px 0 0;list-style:none}.point-list li{padding:11px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}.point-list li:before{content:"✓";color:var(--mint);font-weight:800;margin-right:10px}
    .faq-list{display:grid;gap:10px;max-width:900px}.faq-item{overflow:hidden}.faq-question{width:100%;border:0;background:transparent;color:var(--text);display:flex;justify-content:space-between;text-align:left;padding:20px 22px;font-weight:700}.faq-question span{color:var(--mint);font-size:21px;transition:.25s}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 22px 20px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta{padding:66px 0;background:linear-gradient(105deg,#24483f,#282033 70%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:32px;margin-bottom:10px}.cta p{color:var(--muted);margin:0}.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .site-footer{background:#100d16;padding:58px 0 24px}.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px;border-bottom:1px solid var(--line)}.footer-brand p{color:var(--muted);font-size:14px;max-width:285px;margin-top:18px}.footer-title{font-size:14px;font-weight:800;margin-bottom:15px}.footer-links{display:grid;gap:9px}.footer-links a{font-size:13px;color:var(--soft);transition:.2s}.footer-links a:hover{color:var(--mint);padding-left:3px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:var(--soft);font-size:12px}
    @media(max-width:1200px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.logo{min-width:238px}.header-inner{gap:14px}}
    @media(max-width:900px){.main-nav,.header-action{display:none}.menu-toggle{display:block;margin-left:auto}.mobile-nav{position:absolute;top:81px;left:0;right:0;background:#17121f;border-bottom:1px solid var(--line);padding:10px 24px;display:none}.mobile-nav.show{display:grid}.mobile-nav a{padding:13px 0;border-bottom:1px solid var(--line)}.news-layout,.info-grid{grid-template-columns:1fr}.topic-strip{grid-template-columns:1fr 1fr}.topic-card.large{grid-column:span 2}.footer-top{grid-template-columns:1.5fr 1fr 1fr}}
    @media(max-width:600px){.container{width:min(var(--container),calc(100% - 32px))}.site-header{height:72px}.logo{min-width:0}.logo-copy strong{font-size:13px}.logo-copy small{font-size:9px}.logo-mark{width:34px;height:34px}.mobile-nav{top:71px}.page-hero{padding:65px 0 60px}.page-hero h1{font-size:36px}.lead{font-size:16px}.section{padding:62px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:16px}.section h2{font-size:29px}.feature-visual{height:185px}.feature-body{padding:21px}.feature-body h3{font-size:21px}.topic-strip{grid-template-columns:1fr}.topic-card.large{grid-column:auto}.topic-card{min-height:145px;padding:21px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:span 2}.footer-bottom{display:grid;gap:6px}.cta-box{display:block}.cta h2{font-size:27px}.cta-actions{margin-top:22px}.news-row{padding:16px}.news-row h3{font-size:15px}}

/* roulang page: article */
:root{
      --ink:#17121f;
      --ink-2:#21192d;
      --panel:#282033;
      --panel-2:#31273d;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(83,244,198,.42);
      --text:#f8f4fb;
      --muted:#b9afc4;
      --soft:#897e98;
      --mint:#53f4c6;
      --mint-dark:#1cc29a;
      --amber:#ffb24b;
      --danger:#ff806d;
      --radius:16px;
      --shadow:0 18px 45px rgba(0,0,0,.22);
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--ink);
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.24;
      z-index:-1;
      background-image:radial-gradient(rgba(255,255,255,.11) .7px,transparent .7px);
      background-size:7px 7px;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--mint)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:82px;
      background:rgba(23,18,31,.97);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:12px;min-width:260px}
    .logo-mark{
      width:37px;height:37px;border:2px solid var(--mint);border-radius:11px;
      display:grid;place-items:center;color:var(--mint);font-weight:900;font-size:18px;
      transform:rotate(-8deg);
    }
    .logo-copy{line-height:1.15}
    .logo-copy strong{display:block;font-size:16px;letter-spacing:.2px}
    .logo-copy small{display:block;color:var(--mint);font-size:10px;letter-spacing:1.8px;margin-top:5px}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1}
    .main-nav a,.mobile-nav a{
      position:relative;
      color:var(--muted);
      font-size:14px;
      padding:27px 10px;
      transition:.25s;
      white-space:nowrap;
    }
    .main-nav a:hover,.main-nav a.active{color:var(--mint)}
    .main-nav a.active:after{
      content:"";position:absolute;left:10px;right:10px;bottom:17px;height:2px;background:var(--mint)
    }
    .header-action{white-space:nowrap}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:0 19px;border-radius:9px;border:1px solid transparent;
      font-size:14px;font-weight:700;
      transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible{
      outline:3px solid rgba(83,244,198,.45);outline-offset:3px
    }
    .btn-primary{background:var(--mint);color:#10211e;box-shadow:0 9px 24px rgba(83,244,198,.16)}
    .btn-primary:hover{background:#7affd8;color:#10211e;box-shadow:0 12px 28px rgba(83,244,198,.25)}
    .btn-amber{background:var(--amber);color:#291909;box-shadow:0 9px 24px rgba(255,178,75,.14)}
    .btn-amber:hover{background:#ffc778;color:#291909}
    .btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.035)}
    .btn-ghost:hover{border-color:var(--line-strong);color:var(--mint)}
    .menu-toggle{
      display:none;background:none;border:1px solid var(--line);color:var(--text);
      width:44px;height:44px;border-radius:9px
    }
    .mobile-nav{
      display:none;
      background:var(--ink-2);
      border-bottom:1px solid var(--line);
      padding:8px 24px 18px;
    }
    .mobile-nav a{display:block;padding:12px 10px;border-bottom:1px solid var(--line)}
    .mobile-nav a:last-child{border-bottom:0}
    .page-intro{
      position:relative;
      padding:74px 0 62px;
      background:linear-gradient(115deg,#17121f,#241a30 72%,#302039);
      border-bottom:1px solid var(--line);
      overflow:hidden;
    }
    .page-intro:after{
      content:"";
      position:absolute;
      width:460px;height:460px;
      right:-130px;top:-250px;
      border:1px solid rgba(83,244,198,.18);
      border-radius:50%;
      box-shadow:0 0 0 34px rgba(83,244,198,.025),0 0 0 82px rgba(83,244,198,.018);
    }
    .breadcrumb{
      position:relative;z-index:1;
      display:flex;flex-wrap:wrap;align-items:center;gap:9px;
      color:var(--soft);font-size:13px;margin-bottom:25px
    }
    .breadcrumb a{color:var(--muted)}
    .breadcrumb .current{color:var(--mint);max-width:680px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .crumb-separator{color:var(--soft)}
    .intro-grid{
      position:relative;z-index:1;
      display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:50px;align-items:end
    }
    .eyebrow{
      display:flex;align-items:center;gap:10px;color:var(--mint);
      font-size:13px;font-weight:700;letter-spacing:1.2px;margin-bottom:17px
    }
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
    .page-intro h1{
      max-width:900px;margin:0;
      font-size:clamp(32px,4.1vw,52px);
      line-height:1.25;letter-spacing:-1.2px
    }
    .intro-copy{color:var(--muted);max-width:820px;margin:20px 0 0;font-size:17px}
    .article-mark{
      min-height:150px;border:1px solid var(--line-strong);border-radius:18px;
      background:rgba(83,244,198,.06);padding:24px;
      display:flex;flex-direction:column;justify-content:space-between
    }
    .article-mark strong{font-size:42px;color:var(--mint);line-height:1}
    .article-mark span{font-size:13px;color:var(--muted)}
    .article-layout{
      display:grid;grid-template-columns:minmax(0,820px) 280px;
      gap:42px;align-items:start;padding:72px 0 92px
    }
    .article-card{
      background:var(--panel);border:1px solid var(--line);
      border-radius:var(--radius);padding:clamp(24px,4vw,48px);
      box-shadow:var(--shadow)
    }
    .article-meta{
      display:flex;flex-wrap:wrap;gap:10px 22px;
      color:var(--soft);font-size:13px;
      border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:30px
    }
    .article-meta b{color:var(--mint);font-weight:600}
    .article-content{color:#e8e1ed;font-size:17px;overflow-wrap:anywhere}
    .article-content h2{
      color:var(--text);font-size:29px;line-height:1.35;
      margin:38px 0 16px;padding-left:15px;border-left:3px solid var(--mint)
    }
    .article-content h3{color:var(--text);font-size:22px;margin:28px 0 12px}
    .article-content p{margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:25px;margin:12px 0 24px}
    .article-content li{margin:7px 0}
    .article-content blockquote{
      margin:28px 0;padding:18px 22px;border-left:3px solid var(--amber);
      background:rgba(255,178,75,.08);color:#f5d4a6;border-radius:0 10px 10px 0
    }
    .article-content img{border-radius:12px;margin:28px auto;box-shadow:0 12px 30px rgba(0,0,0,.22)}
    .article-content table{width:100%;border-collapse:collapse;margin:25px 0;font-size:15px}
    .article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line);text-align:left}
    .article-content th{color:var(--mint);background:rgba(83,244,198,.06)}
    .article-content a{color:var(--mint);text-decoration:underline;text-underline-offset:3px}
    .empty-state{text-align:center;padding:38px 12px;color:var(--muted)}
    .empty-icon{
      width:58px;height:58px;margin:0 auto 16px;border:1px solid var(--line-strong);
      border-radius:50%;display:grid;place-items:center;color:var(--mint);font-size:24px
    }
    .side-stack{display:flex;flex-direction:column;gap:16px;position:sticky;top:108px}
    .side-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}
    .side-title{font-size:16px;font-weight:800;margin-bottom:15px}
    .side-title:after{content:"";display:block;width:25px;height:2px;background:var(--mint);margin-top:9px}
    .side-card p{color:var(--muted);font-size:14px;margin:0}
    .side-links{display:flex;flex-direction:column;gap:3px}
    .side-links a{padding:10px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
    .side-links a:last-child{border-bottom:0}
    .side-links a:hover{color:var(--mint);padding-left:4px}
    .article-end{
      margin-top:35px;padding-top:25px;border-top:1px solid var(--line);
      display:flex;justify-content:space-between;align-items:center;gap:18px
    }
    .article-end p{margin:0;color:var(--soft);font-size:13px}
    .related-section{padding:76px 0;background:var(--ink-2);border-top:1px solid var(--line)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}
    .section-kicker{color:var(--mint);font-size:12px;letter-spacing:1.6px;font-weight:800;margin-bottom:7px}
    .section h2{font-size:31px;line-height:1.25;letter-spacing:-.6px;margin:0}
    .section-intro{color:var(--muted);max-width:570px;margin:10px 0 0}
    .text-link{color:var(--mint);font-size:14px;font-weight:700;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .recommend-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:16px}
    .recommend{
      min-height:190px;padding:23px;background:var(--panel);
      border:1px solid var(--line);border-radius:14px;transition:.25s
    }
    .recommend:first-child{background:linear-gradient(140deg,#30223d,#282033)}
    .recommend .tag{
      display:inline-block;border:1px solid rgba(83,244,198,.35);color:var(--mint);
      padding:3px 9px;border-radius:5px;font-size:12px;line-height:1.5;margin-bottom:14px
    }
    .recommend h3{font-size:19px;line-height:1.45;margin:0 0 9px}
    .recommend p{font-size:14px;color:var(--muted);margin:0 0 17px}
    .recommend small{color:var(--soft);font-size:12px}
    .cta-section{padding:76px 0}
    .cta-box{
      position:relative;overflow:hidden;padding:42px 48px;border-radius:18px;
      background:linear-gradient(105deg,#30233c,#252031);
      border:1px solid var(--line-strong);display:flex;align-items:center;
      justify-content:space-between;gap:30px
    }
    .cta-box:after{
      content:"NG28";position:absolute;right:20px;bottom:-36px;
      color:rgba(83,244,198,.05);font-size:120px;font-weight:900;line-height:1
    }
    .cta-box > div{position:relative;z-index:1}
    .cta-box h2{font-size:30px;margin:0 0 8px}
    .cta-box p{color:var(--muted);margin:0;max-width:620px}
    .cta-box .btn{position:relative;z-index:1;flex:none}
    .site-footer{background:#100d16;border-top:1px solid var(--line);padding:52px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px}
    .footer-brand .logo{margin-bottom:17px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:280px;margin:0}
    .footer-title{font-size:14px;font-weight:800;color:var(--text);margin:7px 0 13px}
    .footer-links{display:flex;flex-direction:column;gap:8px}
    .footer-links a{color:var(--soft);font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{
      border-top:1px solid var(--line);padding-top:20px;
      display:flex;justify-content:space-between;gap:15px;
      color:var(--soft);font-size:12px
    }
    @media (max-width:1200px){
      .main-nav a{padding-left:7px;padding-right:7px;font-size:13px}
      .logo{min-width:235px}
      .header-inner{gap:18px}
    }
    @media (max-width:1024px){
      .main-nav{display:none}
      .header-action{margin-left:auto}
      .menu-toggle{display:block}
      .article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:24px}
      .recommend-grid{grid-template-columns:1fr 1fr}
      .recommend:first-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .site-header{height:72px}
      .logo{min-width:0}
      .logo-copy strong{font-size:13px}
      .logo-copy small{font-size:9px;letter-spacing:1px}
      .header-action{display:none}
      .mobile-nav.open{display:block}
      .page-intro{padding:48px 0 44px}
      .intro-grid{display:block}
      .article-mark{display:none}
      .intro-copy{font-size:15px}
      .article-layout{display:block;padding:42px 0 62px}
      .article-card{padding:25px 20px}
      .side-stack{position:static;margin-top:25px}
      .article-content{font-size:16px}
      .article-content h2{font-size:25px}
      .article-end{align-items:flex-start;flex-direction:column}
      .related-section,.cta-section{padding:55px 0}
      .cta-box{display:block;padding:30px 25px}
      .cta-box .btn{margin-top:22px}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 28px)}
      .logo{gap:8px}
      .logo-mark{width:32px;height:32px;font-size:15px}
      .logo-copy strong{font-size:11px}
      .logo-copy small{font-size:8px;margin-top:3px}
      .menu-toggle{width:42px;height:42px}
      .breadcrumb{font-size:12px}
      .breadcrumb .current{max-width:215px}
      .page-intro h1{font-size:31px}
      .article-card{border-radius:12px;padding:21px 16px}
      .article-content h2{font-size:22px;padding-left:11px}
      .article-content h3{font-size:19px}
      .article-content table{font-size:13px;display:block;overflow-x:auto;white-space:nowrap}
      .recommend-grid{display:block}
      .recommend{margin-bottom:12px;min-height:0}
      .section-head{align-items:flex-start;flex-direction:column}
      .cta-box h2{font-size:25px}
      .footer-top{display:block}
      .footer-top > div{margin-bottom:25px}
      .footer-top > div:last-child{margin-bottom:0}
    }

/* roulang page: category1 */
:root{
      --ink:#17121f;--ink-2:#21192d;--panel:#282033;--panel-2:#31273d;
      --line:rgba(255,255,255,.12);--line-strong:rgba(83,244,198,.42);
      --text:#f8f4fb;--muted:#b9afc4;--soft:#897e98;--mint:#53f4c6;
      --mint-dark:#1cc29a;--amber:#ffb24b;--danger:#ff806d;--radius:16px;
      --shadow:0 18px 45px rgba(0,0,0,.22);--container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.25;z-index:-1;background-image:radial-gradient(rgba(255,255,255,.11) .7px,transparent .7px);background-size:7px 7px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:82px;background:rgba(23,18,31,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:12px;min-width:260px}
    .logo-mark{width:37px;height:37px;border:2px solid var(--mint);border-radius:11px;display:grid;place-items:center;color:var(--mint);font-weight:900;font-size:18px;transform:rotate(-8deg)}
    .logo-copy{line-height:1.15}.logo-copy strong{display:block;font-size:16px;letter-spacing:.2px}.logo-copy small{display:block;color:var(--mint);font-size:10px;letter-spacing:1.8px;margin-top:5px}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1}
    .main-nav a,.mobile-nav a{position:relative;color:var(--muted);font-size:14px;padding:27px 10px;transition:.25s}
    .main-nav a:hover,.main-nav a.active,.mobile-nav a:hover,.mobile-nav a.active{color:var(--mint)}
    .main-nav a.active:after{content:"";position:absolute;left:10px;right:10px;bottom:17px;height:2px;background:var(--mint)}
    .header-action{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 19px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:700;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible,input:focus-visible{outline:3px solid rgba(83,244,198,.45);outline-offset:3px}
    .btn-primary{background:var(--mint);color:#10211e;box-shadow:0 9px 24px rgba(83,244,198,.16)}
    .btn-primary:hover{background:#7affd8;box-shadow:0 12px 28px rgba(83,244,198,.25)}
    .btn-amber{background:var(--amber);color:#291909;box-shadow:0 9px 24px rgba(255,178,75,.14)}
    .btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.035)}
    .btn-ghost:hover{border-color:var(--line-strong);color:var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:9px}
    .mobile-nav{display:none}
    .hero{position:relative;min-height:430px;display:flex;align-items:center;background:linear-gradient(112deg,#17121f 0%,#21182b 58%,#2b1c32 100%);border-bottom:1px solid var(--line);overflow:hidden}
    .hero:after{content:"";position:absolute;width:510px;height:510px;right:-150px;top:-160px;border:1px solid rgba(83,244,198,.2);border-radius:50%;box-shadow:0 0 0 35px rgba(83,244,198,.025),0 0 0 90px rgba(83,244,198,.018)}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;position:relative;z-index:1}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--mint);font-size:13px;font-weight:700;letter-spacing:1.2px;margin-bottom:20px}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
    h1,h2,h3,p{margin-top:0}
    .hero h1{font-size:clamp(38px,4.6vw,58px);line-height:1.2;letter-spacing:-1.5px;margin-bottom:20px}
    .hero h1 em{color:var(--mint);font-style:normal}
    .hero-lead{color:var(--muted);font-size:18px;max-width:690px;margin-bottom:30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{display:flex;gap:22px;margin-top:28px;color:var(--soft);font-size:13px;flex-wrap:wrap}
    .hero-note span{display:flex;align-items:center;gap:7px}.hero-note i{width:7px;height:7px;background:var(--mint);border-radius:50%;display:inline-block}
    .news-board{background:rgba(40,32,51,.88);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:16px}
    .board-title{font-size:17px;font-weight:800}.board-status{color:var(--mint);font-size:12px}
    .board-feature{padding:19px;border-radius:13px;background:linear-gradient(135deg,#29483e,#694027);min-height:145px;display:flex;flex-direction:column;justify-content:end}
    .board-feature small{color:#d9f8ed;font-size:12px}.board-feature strong{font-size:20px;line-height:1.4;margin-top:6px}
    .board-lines{display:grid;gap:10px;margin-top:15px}.board-line{height:11px;border-radius:5px;background:rgba(255,255,255,.12)}.board-line.short{width:68%}
    .section{padding:88px 0}.section.alt{background:var(--ink-2)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:32px}
    .section-kicker{color:var(--mint);font-size:12px;letter-spacing:1.6px;font-weight:800;margin-bottom:8px}
    .section h2{font-size:34px;line-height:1.25;letter-spacing:-.8px;margin-bottom:0}.section-intro{color:var(--muted);max-width:630px;margin:10px 0 0}.text-link{color:var(--mint);font-size:14px;font-weight:700;white-space:nowrap}.text-link:hover{text-decoration:underline}
    .feature-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .feature-card,.article-row,.topic-card,.step-card,.faq-item{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);transition:.25s}
    .feature-card:hover,.article-row:hover,.topic-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
    .feature-visual{min-height:245px;padding:26px;display:flex;align-items:end;border-radius:15px 15px 0 0;background:linear-gradient(140deg,#20564f 0%,#33263e 55%,#8a5128 100%)}
    .visual-label{font-size:12px;color:#d9fff2;border:1px solid rgba(255,255,255,.35);padding:5px 9px;border-radius:5px}.feature-body{padding:25px}.tag{display:inline-block;border:1px solid rgba(83,244,198,.35);color:var(--mint);padding:3px 9px;border-radius:5px;font-size:12px;line-height:1.5;margin-bottom:12px}.feature-body h3{font-size:25px;line-height:1.4;margin-bottom:10px}.feature-body p{color:var(--muted);font-size:14px;margin-bottom:0}.meta{display:flex;justify-content:space-between;color:var(--soft);font-size:12px;margin-top:20px}
    .article-list{display:flex;flex-direction:column;gap:11px}.article-row{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:18px 20px;background:rgba(255,255,255,.035)}.article-row h3{font-size:16px;line-height:1.5;margin-bottom:4px}.article-row p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.row-arrow{color:var(--mint);font-size:22px}
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}.filter{padding:8px 14px;border-radius:7px;border:1px solid var(--line);color:var(--muted);font-size:13px;background:rgba(255,255,255,.03)}.filter.active,.filter:hover{color:var(--mint);border-color:var(--line-strong)}
    .timeline{position:relative;margin-left:12px;border-left:1px solid rgba(83,244,198,.35);padding-left:30px;display:grid;gap:24px}.timeline-item{position:relative;padding:20px 22px;border-radius:13px;background:rgba(255,255,255,.035);border:1px solid var(--line)}.timeline-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--mint);left:-37px;top:27px;box-shadow:0 0 0 5px var(--ink-2)}.timeline-item h3{font-size:19px;margin-bottom:6px}.timeline-item p{color:var(--muted);font-size:14px;margin-bottom:10px}.date{color:var(--soft);font-size:12px}
    .topics{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}.topic-card{padding:24px;min-height:180px;position:relative;overflow:hidden}.topic-card:first-child{background:linear-gradient(145deg,#2b4e47,#282033)}.topic-number{color:var(--amber);font-size:13px;font-weight:800}.topic-card h3{font-size:21px;margin:14px 0 8px}.topic-card p{font-size:14px;color:var(--muted);margin-bottom:20px}.topic-card .text-link{font-size:13px}
    .app-cta{background:#282033;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.app-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}.app-visual{height:245px;border:1px solid rgba(83,244,198,.35);border-radius:22px;background:linear-gradient(145deg,#1c5a50,#252033 65%);padding:28px;position:relative;overflow:hidden}.app-visual:after{content:"NG28";position:absolute;right:-10px;bottom:-32px;font-size:92px;font-weight:900;color:rgba(83,244,198,.08)}.device-top{color:var(--mint);font-size:13px}.device-title{font-size:28px;font-weight:800;margin-top:38px}.device-line{height:8px;background:rgba(255,255,255,.18);border-radius:5px;width:62%;margin-top:14px}.app-copy h2{font-size:34px;margin-bottom:14px}.app-copy p{color:var(--muted);max-width:650px}.app-points{display:flex;gap:18px;flex-wrap:wrap;color:#ddd4e3;font-size:13px;margin:22px 0}.app-points span:before{content:"✓";color:var(--mint);font-weight:800;margin-right:7px}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}.faq-intro p{color:var(--muted)}.faq-list{display:grid;gap:10px}.faq-item{overflow:hidden;background:rgba(255,255,255,.035)}.faq-question{width:100%;border:0;background:none;color:var(--text);text-align:left;padding:19px 21px;font-weight:700;display:flex;justify-content:space-between;align-items:center}.faq-question span{color:var(--mint);font-size:22px;font-weight:400}.faq-answer{color:var(--muted);font-size:14px;padding:0 21px 19px}
    .final-cta{padding:70px 0;background:linear-gradient(105deg,#253b38,#21192d)}.final-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.final-cta h2{font-size:31px;margin-bottom:8px}.final-cta p{color:var(--muted);margin:0}
    .site-footer{background:#110e17;border-top:1px solid var(--line);padding:58px 0 24px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:var(--soft);font-size:13px;max-width:270px;margin-top:18px}.footer-title{font-weight:800;font-size:14px;margin-bottom:15px}.footer-links{display:grid;gap:8px}.footer-links a{color:var(--soft);font-size:13px;transition:.2s}.footer-links a:hover{color:var(--mint);padding-left:3px}.footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:42px;padding-top:20px;color:#71667b;font-size:12px}
    @media (max-width:1200px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.logo{min-width:230px}.header-inner{gap:18px}}
    @media (max-width:1024px){.hero-grid,.feature-layout,.app-grid,.faq-grid{grid-template-columns:1fr;gap:35px}.hero{padding:78px 0}.hero-art{max-width:600px}.topics{grid-template-columns:1fr 1fr}.topic-card:first-child{grid-column:span 2}.footer-top{grid-template-columns:1.5fr 1fr 1fr}}
    @media (max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.site-header{height:72px}.header-inner{gap:12px}.logo{min-width:0;flex:1}.logo-copy strong{font-size:13px}.logo-copy small{font-size:9px}.main-nav,.header-action{display:none}.menu-toggle{display:block}.mobile-nav{display:none;background:var(--ink-2);border-bottom:1px solid var(--line);padding:8px 16px}.mobile-nav.open{display:grid}.mobile-nav a{padding:12px 8px;border-bottom:1px solid var(--line);font-size:14px}.hero{min-height:auto;padding:67px 0 72px}.hero h1{font-size:38px}.hero-lead{font-size:16px}.news-board{transform:none}.section{padding:68px 0}.section-head{align-items:start;flex-direction:column;margin-bottom:25px}.section h2,.app-copy h2{font-size:29px}.topics{grid-template-columns:1fr}.topic-card:first-child{grid-column:auto}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:span 2}.final-cta-inner{align-items:flex-start;flex-direction:column}}
    @media (max-width:520px){.hero h1{font-size:32px}.hero-note{gap:10px;flex-direction:column}.hero-actions .btn{width:100%}.feature-visual{min-height:190px}.feature-body{padding:20px}.feature-body h3{font-size:21px}.article-row{padding:15px;grid-template-columns:1fr auto}.article-row p{display:none}.timeline{padding-left:22px;margin-left:7px}.timeline-item{padding:16px}.timeline-item:before{left:-30px}.app-visual{height:205px}.device-title{margin-top:28px;font-size:24px}.app-points{display:grid;gap:7px}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{align-items:flex-start;flex-direction:column;margin-top:30px}.final-cta h2{font-size:26px}}

/* roulang page: category3 */
:root{--ink:#17121f;--ink-2:#21192d;--panel:#282033;--panel-2:#31273d;--line:rgba(255,255,255,.12);--line-strong:rgba(83,244,198,.42);--text:#f8f4fb;--muted:#b9afc4;--soft:#897e98;--mint:#53f4c6;--mint-dark:#1cc29a;--amber:#ffb24b;--danger:#ff806d;--radius:16px;--shadow:0 18px 45px rgba(0,0,0,.22);--container:1240px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ink);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;z-index:-1;background-image:radial-gradient(rgba(255,255,255,.12) .7px,transparent .7px);background-size:7px 7px}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit;cursor:pointer}.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:82px;background:rgba(23,18,31,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.header-inner{height:100%;display:flex;align-items:center;gap:30px}.logo{display:flex;align-items:center;gap:12px;min-width:260px}.logo-mark{width:37px;height:37px;border:2px solid var(--mint);border-radius:11px;display:grid;place-items:center;color:var(--mint);font-weight:900;font-size:18px;transform:rotate(-8deg)}.logo-copy{line-height:1.15}.logo-copy strong{display:block;font-size:16px;letter-spacing:.2px}.logo-copy small{display:block;color:var(--mint);font-size:10px;letter-spacing:1.8px;margin-top:5px}.main-nav{display:flex;align-items:center;gap:3px;flex:1}.main-nav a,.mobile-nav a{position:relative;color:var(--muted);font-size:14px;padding:27px 10px;transition:.25s}.main-nav a:hover,.main-nav a.active{color:var(--mint)}.main-nav a.active:after{content:"";position:absolute;left:10px;right:10px;bottom:17px;height:2px;background:var(--mint)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 19px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:700;transition:.25s}.btn:hover{transform:translateY(-2px)}.btn:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(83,244,198,.45);outline-offset:3px}.btn-primary{background:var(--mint);color:#10211e;box-shadow:0 9px 24px rgba(83,244,198,.16)}.btn-primary:hover{background:#7affd8}.btn-amber{background:var(--amber);color:#291909}.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.035)}.btn-ghost:hover{border-color:var(--line-strong);color:var(--mint)}.menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:9px}.mobile-nav{display:none}
    .guide-hero{position:relative;padding:104px 0 92px;background:linear-gradient(112deg,#17121f,#241a2e 62%,#2b1c32);border-bottom:1px solid var(--line);overflow:hidden}.guide-hero:after{content:"03";position:absolute;right:9%;top:30px;color:rgba(83,244,198,.08);font-size:220px;font-weight:900;line-height:1}.hero-content{position:relative;z-index:1;max-width:760px}.eyebrow{display:flex;align-items:center;gap:10px;color:var(--mint);font-size:13px;font-weight:700;letter-spacing:1.2px;margin-bottom:20px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}h1,h2,h3,p{margin-top:0}.guide-hero h1{font-size:clamp(38px,5vw,60px);line-height:1.2;letter-spacing:-1.6px;margin-bottom:22px}.guide-hero h1 em{font-style:normal;color:var(--mint)}.hero-lead{color:var(--muted);font-size:18px;max-width:690px;margin-bottom:30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--soft);font-size:13px;margin-bottom:28px}.breadcrumb a:hover{color:var(--mint)}.breadcrumb span{color:var(--mint)}
    .section{padding:92px 0}.section-dark{background:var(--ink-2)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:34px}.section-kicker{color:var(--mint);font-size:12px;letter-spacing:1.6px;font-weight:800;margin-bottom:8px}.section h2{font-size:34px;line-height:1.25;letter-spacing:-.8px;margin-bottom:0}.section-intro{color:var(--muted);max-width:620px;margin:12px 0 0}.text-link{color:var(--mint);font-size:14px;font-weight:700;white-space:nowrap}.text-link:hover{text-decoration:underline}
    .guide-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:22px}.guide-card,.tip-card,.step-item,.recommend-card,.faq-item{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);transition:.25s}.guide-card:hover,.tip-card:hover,.recommend-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-3px)}.guide-card{padding:30px}.guide-card h3{font-size:23px;margin-bottom:10px}.guide-card p,.tip-card p,.step-item p,.recommend-card p{color:var(--muted);font-size:14px}.guide-card ul{padding:0;margin:22px 0 0;list-style:none}.guide-card li{border-top:1px solid var(--line);padding:13px 0;color:var(--muted);display:flex;gap:12px}.guide-card li b{color:var(--mint);font-size:13px}.tip-stack{display:flex;flex-direction:column;gap:14px}.tip-card{padding:22px}.tip-card strong{display:block;color:var(--amber);font-size:14px;margin-bottom:6px}.tip-card p{margin-bottom:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step-item{padding:24px;position:relative}.step-no{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:rgba(83,244,198,.12);color:var(--mint);font-weight:800;margin-bottom:18px}.step-item h3{font-size:18px;margin-bottom:8px}.step-item p{margin-bottom:0}.notice{margin-top:22px;padding:18px 22px;border-left:3px solid var(--amber);background:rgba(255,178,75,.08);color:var(--muted);font-size:14px;border-radius:0 10px 10px 0}.notice b{color:var(--amber)}
    .read-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:22px;align-items:stretch}.read-panel{padding:32px;background:linear-gradient(140deg,#30243b,#21192d);border:1px solid var(--line);border-radius:var(--radius)}.read-panel h3{font-size:25px;margin-bottom:12px}.read-panel p{color:var(--muted)}.read-list{display:grid;gap:10px}.recommend-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 21px}.recommend-card h3{font-size:16px;margin:0 0 4px}.recommend-card small{color:var(--soft);font-size:12px}.recommend-arrow{color:var(--mint);font-size:22px}
    .faq-list{max-width:900px;margin:0 auto;display:grid;gap:10px}.faq-item{overflow:hidden}.faq-question{width:100%;padding:20px 23px;border:0;background:none;color:var(--text);display:flex;justify-content:space-between;text-align:left;font-weight:700}.faq-question span:last-child{color:var(--mint);font-size:22px;line-height:1;transition:.25s}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 23px 20px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:70px 0;background:linear-gradient(110deg,#253d3b,#30233a);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:32px;margin-bottom:9px}.cta p{color:var(--muted);margin:0}.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .site-footer{background:#110d17;padding:62px 0 22px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px;border-bottom:1px solid var(--line)}.footer-brand p{color:var(--soft);font-size:13px;max-width:280px;margin-top:18px}.footer-title{font-size:13px;color:var(--text);font-weight:800;margin-bottom:15px}.footer-links{display:grid;gap:8px}.footer-links a{color:var(--soft);font-size:13px;transition:.2s}.footer-links a:hover{color:var(--mint)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:var(--soft);font-size:12px}
    @media(max-width:1200px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.logo{min-width:235px}.header-inner{gap:15px}}
    @media(max-width:900px){.main-nav,.header-action{display:none}.menu-toggle{display:block;margin-left:auto}.mobile-nav{position:absolute;left:0;right:0;top:81px;background:var(--ink-2);border-bottom:1px solid var(--line);padding:10px 24px;display:none}.mobile-nav.open{display:grid}.mobile-nav a{padding:13px 4px;border-bottom:1px solid var(--line)}.guide-layout,.read-grid{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:600px){.container{width:min(100% - 32px,var(--container))}.site-header{height:72px}.logo{min-width:0}.logo-copy strong{font-size:13px}.logo-copy small{font-size:9px}.mobile-nav{top:71px;padding:8px 16px}.guide-hero{padding:64px 0 62px}.guide-hero h1{font-size:36px}.hero-lead{font-size:16px}.section{padding:66px 0}.section h2{font-size:28px}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.steps{grid-template-columns:1fr}.guide-card,.read-panel{padding:23px}.cta{padding:52px 0}.cta-inner{display:block}.cta h2{font-size:27px}.cta-actions{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:grid;gap:7px}}
    @media(max-width:420px){.logo-mark{width:32px;height:32px}.logo-copy strong{font-size:12px}.hero-actions .btn{width:100%}.footer-top{grid-template-columns:1fr}}

/* roulang page: category2 */
:root{
      --ink:#17121f;--ink-2:#21192d;--panel:#282033;--panel-2:#31273d;
      --line:rgba(255,255,255,.12);--line-strong:rgba(83,244,198,.42);
      --text:#f8f4fb;--muted:#b9afc4;--soft:#897e98;--mint:#53f4c6;
      --mint-dark:#1cc29a;--amber:#ffb24b;--danger:#ff806d;--radius:16px;
      --shadow:0 18px 45px rgba(0,0,0,.22);--container:1240px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.25;z-index:-1;background-image:radial-gradient(rgba(255,255,255,.11) .7px,transparent .7px);background-size:7px 7px}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{height:82px;background:rgba(23,18,31,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:12px;min-width:260px}
    .logo-mark{width:37px;height:37px;border:2px solid var(--mint);border-radius:11px;display:grid;place-items:center;color:var(--mint);font-weight:900;font-size:18px;transform:rotate(-8deg)}
    .logo-copy{line-height:1.15}.logo-copy strong{display:block;font-size:16px;letter-spacing:.2px}.logo-copy small{display:block;color:var(--mint);font-size:10px;letter-spacing:1.8px;margin-top:5px}
    .main-nav{display:flex;align-items:center;gap:3px;flex:1}.main-nav a,.mobile-nav a{position:relative;color:var(--muted);font-size:14px;padding:27px 10px;transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--mint)}.main-nav a.active:after{content:"";position:absolute;left:10px;right:10px;bottom:17px;height:2px;background:var(--mint)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 19px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:700;transition:.25s}
    .btn:hover{transform:translateY(-2px)}.btn:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(83,244,198,.45);outline-offset:3px}
    .btn-primary{background:var(--mint);color:#10211e;box-shadow:0 9px 24px rgba(83,244,198,.16)}.btn-primary:hover{background:#7affd8}
    .btn-amber{background:var(--amber);color:#291909}.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.035)}.btn-ghost:hover{border-color:var(--line-strong);color:var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:9px}
    .mobile-nav{display:none}
    .page-hero{position:relative;padding:100px 0 88px;background:linear-gradient(115deg,#17121f,#251a30 60%,#302038);overflow:hidden;border-bottom:1px solid var(--line)}
    .page-hero:after{content:"NG28";position:absolute;right:5%;bottom:-45px;color:rgba(83,244,198,.045);font-size:180px;font-weight:900;line-height:1;letter-spacing:-12px}
    .hero-content{position:relative;z-index:1;max-width:780px}.eyebrow,.section-kicker{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:1.7px}
    .eyebrow{display:flex;gap:10px;align-items:center;margin-bottom:18px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
    h1,h2,h3,p{margin-top:0}.page-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.18;letter-spacing:-1.5px;margin-bottom:22px}.page-hero h1 em{font-style:normal;color:var(--mint)}
    .lead{color:var(--muted);font-size:18px;max-width:720px;margin-bottom:30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .crumbs{padding:18px 0;color:var(--soft);font-size:13px}.crumbs a{color:var(--mint)}.crumbs span{margin:0 9px;color:var(--soft)}
    .section{padding:82px 0}.section-dark{background:var(--ink-2)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}.section h2{font-size:34px;line-height:1.25;letter-spacing:-.8px;margin:7px 0 0}.section-intro{color:var(--muted);max-width:620px;margin:12px 0 0}
    .text-link{color:var(--mint);font-size:14px;font-weight:700;white-space:nowrap}.text-link:hover{text-decoration:underline}
    .content-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:22px}.feature-card,.panel,.topic-card,.step-list,.info-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 30px rgba(0,0,0,.12)}
    .feature-card{padding:32px;min-height:330px;position:relative;overflow:hidden}.feature-card:after{content:"✦";position:absolute;right:30px;top:22px;color:rgba(83,244,198,.3);font-size:72px}
    .tag{display:inline-block;border:1px solid rgba(83,244,198,.35);color:var(--mint);padding:3px 9px;border-radius:5px;font-size:12px;line-height:1.5;margin-bottom:18px}.feature-card h3{font-size:27px;line-height:1.4;max-width:550px}.feature-card p,.topic-card p,.info-card p{color:var(--muted);font-size:15px}
    .feature-card .btn{margin-top:16px}.side-topics{display:grid;gap:12px}.topic-card{padding:23px;transition:.25s}.topic-card:hover,.info-card:hover,.step-list:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}.topic-card h3{font-size:19px;margin-bottom:7px}.topic-icon{color:var(--amber);font-size:23px;margin-bottom:9px}
    .theme-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}.theme-card{padding:26px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(145deg,var(--panel),var(--panel-2));min-height:190px;transition:.25s}.theme-card:first-child{min-height:245px;background:linear-gradient(145deg,#283c3e,#282033)}.theme-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}.theme-card h3{font-size:21px}.theme-card p{color:var(--muted);font-size:14px}.number{color:var(--mint);font-size:13px;font-weight:800;letter-spacing:1px;margin-bottom:18px}
    .split{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}.split h2{font-size:34px;line-height:1.3}.split p{color:var(--muted)}
    .points{display:grid;gap:13px;margin:24px 0 0;padding:0;list-style:none}.points li{display:flex;gap:12px;color:var(--muted);font-size:15px}.points li:before{content:"✓";color:var(--mint);font-weight:800}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step-list{padding:25px}.step-no{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:rgba(83,244,198,.12);color:var(--mint);font-weight:800;margin-bottom:18px}.step-list h3{font-size:19px}.step-list p{color:var(--muted);font-size:14px}
    .faq-wrap{max-width:850px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;padding:21px 4px;background:none;border:0;color:var(--text);text-align:left;display:flex;justify-content:space-between;gap:20px;font-weight:700}.faq-question span:last-child{color:var(--mint);font-size:22px;transition:.2s}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 38px 20px 4px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:58px;background:linear-gradient(110deg,#293c3b,#302139);border:1px solid var(--line-strong);border-radius:20px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:30px;margin-bottom:8px}.cta p{color:var(--muted);margin:0}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
    .site-footer{background:#110e17;border-top:1px solid var(--line);padding:58px 0 20px}.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:var(--muted);font-size:14px;max-width:280px;margin-top:18px}.footer-title{font-size:14px;font-weight:800;margin-bottom:15px;color:var(--text)}.footer-links{display:grid;gap:8px}.footer-links a{color:var(--soft);font-size:14px;transition:.2s}.footer-links a:hover{color:var(--mint)}.footer-bottom{border-top:1px solid var(--line);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;color:var(--soft);font-size:12px}
    @media(max-width:1200px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.logo{min-width:235px}.header-inner{gap:15px}}
    @media(max-width:1024px){.main-nav{display:none}.header-action{margin-left:auto}.menu-toggle{display:block}.mobile-nav{position:absolute;left:0;right:0;top:81px;background:#1b1524;border-bottom:1px solid var(--line);padding:8px 24px 16px;box-shadow:var(--shadow)}.mobile-nav.open{display:grid}.mobile-nav a{padding:12px 0;border-bottom:1px solid var(--line)}.content-layout,.split{grid-template-columns:1fr;gap:25px}.theme-grid{grid-template-columns:1fr 1fr}.theme-card:first-child{grid-column:span 2}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.site-header{height:72px}.header-inner{height:72px}.logo{min-width:0}.logo-copy strong{font-size:13px}.logo-copy small{font-size:9px}.logo-mark{width:34px;height:34px}.mobile-nav{top:71px}.page-hero{padding:70px 0 65px}.page-hero h1{font-size:38px}.lead{font-size:16px}.section{padding:62px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.steps,.theme-grid{grid-template-columns:1fr}.theme-card:first-child{grid-column:auto}.footer-top{grid-template-columns:1fr 1fr}.cta{display:block;padding:34px 25px}.cta-actions{margin-top:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}
    @media(max-width:480px){.header-action{display:none}.hero-actions .btn{width:100%}.page-hero h1{font-size:32px}.section h2{font-size:28px}.feature-card{padding:24px}.feature-card h3{font-size:23px}.footer-top{grid-template-columns:1fr}.footer-brand .logo{display:flex}}

/* roulang page: category5 */
:root{
      --ink:#17121f;
      --ink-2:#21192d;
      --panel:#282033;
      --panel-2:#31273d;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(83,244,198,.42);
      --text:#f8f4fb;
      --muted:#b9afc4;
      --soft:#897e98;
      --mint:#53f4c6;
      --mint-dark:#1cc29a;
      --amber:#ffb24b;
      --danger:#ff806d;
      --radius:16px;
      --shadow:0 18px 45px rgba(0,0,0,.22);
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--ink);color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;line-height:1.75;overflow-x:hidden
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;opacity:.25;z-index:-1;
      background-image:radial-gradient(rgba(255,255,255,.1) .7px,transparent .7px);background-size:7px 7px
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:82px;background:rgba(23,18,31,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:12px;min-width:260px}
    .logo-mark{
      width:37px;height:37px;border:2px solid var(--mint);border-radius:11px;display:grid;place-items:center;
      color:var(--mint);font-weight:900;font-size:18px;transform:rotate(-8deg)
    }
    .logo-copy{line-height:1.15}
    .logo-copy strong{display:block;font-size:16px;letter-spacing:.2px}
    .logo-copy small{display:block;color:var(--mint);font-size:10px;letter-spacing:1.8px;margin-top:5px}
    .main-nav{display:flex;align-items:center;gap:3px;flex:1}
    .main-nav a,.mobile-nav a{position:relative;color:var(--muted);font-size:14px;padding:27px 10px;transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--mint)}
    .main-nav a.active:after{content:"";position:absolute;left:10px;right:10px;bottom:17px;height:2px;background:var(--mint)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 19px;
      border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:700;
      transition:transform .25s,box-shadow .25s,background .25s,border-color .25s
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(83,244,198,.45);outline-offset:3px}
    .btn-primary{background:var(--mint);color:#10211e;box-shadow:0 9px 24px rgba(83,244,198,.16)}
    .btn-primary:hover{background:#7affd8;box-shadow:0 12px 28px rgba(83,244,198,.25)}
    .btn-amber{background:var(--amber);color:#291909;box-shadow:0 9px 24px rgba(255,178,75,.14)}
    .btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.035)}
    .btn-ghost:hover{border-color:var(--line-strong);color:var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:9px}
    .mobile-nav{display:none}
    .hero{
      position:relative;min-height:535px;display:flex;align-items:center;
      background:linear-gradient(112deg,#17121f 0%,#21182b 58%,#2b1c32 100%);
      border-bottom:1px solid var(--line);overflow:hidden
    }
    .hero:after{
      content:"";position:absolute;width:570px;height:570px;right:-150px;top:-150px;border:1px solid rgba(83,244,198,.18);
      border-radius:50%;box-shadow:0 0 0 35px rgba(83,244,198,.025),0 0 0 90px rgba(83,244,198,.018)
    }
    .hero-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px;position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:1.5px}
    .eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:20px}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
    h1,h2,h3,p{margin-top:0}
    .hero h1{font-size:clamp(38px,4.5vw,58px);line-height:1.18;letter-spacing:-1.6px;margin-bottom:22px}
    .hero h1 em{font-style:normal;color:var(--mint)}
    .hero-lead{color:var(--muted);font-size:18px;max-width:610px;margin-bottom:30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{display:flex;gap:20px;margin-top:28px;color:var(--soft);font-size:13px;flex-wrap:wrap}
    .hero-note span{display:flex;align-items:center;gap:7px}
    .hero-note i{width:7px;height:7px;background:var(--mint);border-radius:50%;display:inline-block}
    .device-wrap{display:flex;justify-content:center;align-items:center;min-height:390px}
    .phone{
      width:245px;height:420px;padding:10px;border:7px solid #463850;border-radius:34px;background:#0d1015;
      box-shadow:0 25px 55px rgba(0,0,0,.42),-22px 25px 0 rgba(83,244,198,.08);transform:rotate(5deg)
    }
    .phone-screen{height:100%;border-radius:23px;background:#201a2c;padding:22px 15px;overflow:hidden}
    .phone-top{display:flex;justify-content:space-between;color:var(--soft);font-size:10px;margin-bottom:22px}
    .phone-brand{font-size:19px;font-weight:800;margin-bottom:18px}.phone-brand b{color:var(--mint)}
    .phone-banner{height:104px;border-radius:12px;background:linear-gradient(135deg,#315b50,#9b5c2e);padding:13px;display:flex;align-items:end;font-size:13px;font-weight:700}
    .phone-lines{margin-top:18px;display:grid;gap:10px}
    .phone-line{height:12px;border-radius:5px;background:#3d3349}.phone-line.short{width:62%}
    .section{padding:94px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:32px}
    .section h2{font-size:34px;line-height:1.25;letter-spacing:-.8px;margin:5px 0 0}
    .section-intro{color:var(--muted);max-width:600px;margin:10px 0 0}
    .text-link{color:var(--mint);font-size:14px;font-weight:700;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .intro-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s}
    .panel:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-3px)}
    .panel-main{min-height:245px;background:linear-gradient(135deg,#282033,#33253a)}
    .panel h3{font-size:23px;margin:16px 0 8px}.panel p{color:var(--muted);font-size:14px}
    .tag{display:inline-block;border:1px solid rgba(83,244,198,.35);color:var(--mint);padding:3px 9px;border-radius:5px;font-size:12px;line-height:1.5}
    .mini-stack{display:grid;gap:20px}.mini-stack .panel{padding:22px;min-height:112px}
    .mini-stack h3{font-size:18px;margin:8px 0 0}
    .benefits{background:#21192d}
    .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .benefit{padding:24px;border-top:2px solid var(--mint);background:rgba(255,255,255,.035);border-radius:0 0 12px 12px}
    .benefit-number{color:var(--amber);font-size:13px;font-weight:800;letter-spacing:1px}.benefit h3{font-size:19px;margin:12px 0 7px}.benefit p{color:var(--muted);font-size:14px;margin:0}
    .download{background:linear-gradient(120deg,#292038,#21192d)}
    .download-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
    .app-art{min-height:300px;position:relative;display:grid;place-items:center}
    .app-orbit{position:absolute;width:300px;height:300px;border:1px solid rgba(83,244,198,.25);border-radius:50%}
    .app-card{position:relative;width:245px;padding:23px;background:var(--panel-2);border:1px solid var(--line-strong);border-radius:18px;box-shadow:var(--shadow)}
    .app-card-top{display:flex;justify-content:space-between;color:var(--soft);font-size:12px;margin-bottom:22px}
    .app-card h3{font-size:24px;margin-bottom:8px}.app-card p{color:var(--muted);font-size:13px}
    .app-bars{display:grid;gap:9px;margin-top:20px}.app-bars span{height:9px;border-radius:5px;background:#51435f}.app-bars span:nth-child(2){width:75%;background:var(--mint)}.app-bars span:nth-child(3){width:52%}
    .download h2{font-size:34px;margin:6px 0 13px}.download-copy{color:var(--muted);max-width:610px}
    .points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0 26px;color:#ddd4e4;font-size:14px}.points span:before{content:"✓";color:var(--mint);font-weight:800;margin-right:9px}
    .download-actions{display:flex;gap:12px;flex-wrap:wrap}.platform-note{color:var(--soft);font-size:12px;margin-top:15px}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
    .step{position:relative;padding:27px 24px 24px;background:var(--panel);border:1px solid var(--line);border-radius:14px}
    .step:before{counter-increment:step;content:"0" counter(step);color:var(--mint);font-size:30px;font-weight:900;line-height:1}
    .step h3{font-size:19px;margin:18px 0 7px}.step p{color:var(--muted);font-size:14px;margin:0}
    .faq-area{background:#21192d}.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;padding:21px 4px;background:none;border:0;color:var(--text);display:flex;justify-content:space-between;text-align:left;font-weight:700}
    .faq-question span:last-child{color:var(--mint);font-size:22px;transition:.25s}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 42px 20px 4px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:76px 0}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:38px 42px;border:1px solid var(--line-strong);border-radius:var(--radius);background:linear-gradient(110deg,#30243b,#272033)}
    .cta-box h2{font-size:29px;margin:0 0 7px}.cta-box p{color:var(--muted);margin:0;font-size:14px}
    .site-footer{background:#110e17;border-top:1px solid var(--line);padding:54px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;padding-bottom:38px}
    .footer-brand p{color:var(--soft);font-size:13px;max-width:280px;margin-top:18px}.footer-title{font-size:14px;font-weight:800;margin-bottom:14px}
    .footer-links{display:grid;gap:8px}.footer-links a{color:var(--soft);font-size:13px;transition:.2s}.footer-links a:hover{color:var(--mint)}
    .footer-bottom{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;color:var(--soft);font-size:12px;gap:15px}
    @media(max-width:1200px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.logo{min-width:235px}.header-inner{gap:15px}}
    @media(max-width:900px){.main-nav,.header-action{display:none}.menu-toggle{display:block;margin-left:auto}.hero-grid,.download-grid{grid-template-columns:1fr;gap:25px}.hero{padding:72px 0}.device-wrap{min-height:340px}.benefit-grid,.steps{grid-template-columns:1fr 1fr}.intro-grid{grid-template-columns:1fr}.mobile-nav{position:absolute;top:82px;left:0;right:0;background:var(--ink-2);border-bottom:1px solid var(--line);padding:10px 24px;display:none}.mobile-nav.open{display:grid}.mobile-nav a{padding:12px 0;border-bottom:1px solid var(--line)}}
    @media(max-width:600px){.container{width:min(var(--container),calc(100% - 32px))}.site-header{height:72px}.logo{min-width:0}.logo-copy strong{font-size:13px}.logo-copy small{font-size:9px}.logo-mark{width:33px;height:33px}.mobile-nav{top:72px;padding:8px 16px}.hero{min-height:auto;padding:58px 0 48px}.hero h1{font-size:36px}.hero-lead{font-size:16px}.hero-note{gap:10px;flex-direction:column}.section{padding:65px 0}.section h2,.download h2{font-size:28px}.section-head{align-items:start;flex-direction:column;margin-bottom:24px}.benefit-grid,.steps{grid-template-columns:1fr}.panel{padding:22px}.points{grid-template-columns:1fr}.phone{transform:rotate(3deg) scale(.9)}.download-grid{gap:5px}.app-art{min-height:280px}.cta-box{padding:27px 23px;align-items:flex-start;flex-direction:column}.cta-box h2{font-size:24px}.footer-top{grid-template-columns:1fr 1fr;gap:27px}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:5px}}
    @media(max-width:420px){.logo-copy strong{font-size:12px}.hero h1{font-size:31px}.hero-actions .btn{width:100%}.phone{width:220px;height:380px}.footer-top{grid-template-columns:1fr}}

/* roulang page: category4 */
:root{
      --ink:#17121f;
      --ink-2:#21192d;
      --panel:#282033;
      --panel-2:#31273d;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(83,244,198,.42);
      --text:#f8f4fb;
      --muted:#b9afc4;
      --soft:#897e98;
      --mint:#53f4c6;
      --mint-dark:#1cc29a;
      --amber:#ffb24b;
      --danger:#ff806d;
      --radius:16px;
      --shadow:0 18px 45px rgba(0,0,0,.22);
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--ink);color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:16px;line-height:1.75;overflow-x:hidden;
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;opacity:.25;z-index:-1;
      background-image:radial-gradient(rgba(255,255,255,.11) .7px,transparent .7px);background-size:7px 7px;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:82px;background:rgba(23,18,31,.96);border-bottom:1px solid var(--line);
      position:sticky;top:0;z-index:20;
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:36px}
    .logo{display:flex;align-items:center;gap:12px;min-width:260px}
    .logo-mark{
      width:37px;height:37px;border:2px solid var(--mint);border-radius:11px;
      display:grid;place-items:center;color:var(--mint);font-weight:900;font-size:18px;transform:rotate(-8deg);
    }
    .logo-copy{line-height:1.15}
    .logo-copy strong{display:block;font-size:16px;letter-spacing:.2px}
    .logo-copy small{display:block;color:var(--mint);font-size:10px;letter-spacing:1.8px;margin-top:5px}
    .main-nav{display:flex;align-items:center;gap:6px;flex:1}
    .main-nav a,.mobile-nav a{
      position:relative;color:var(--muted);font-size:14px;padding:27px 12px;transition:.25s;
    }
    .main-nav a:hover,.main-nav a.active{color:var(--mint)}
    .main-nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:17px;height:2px;background:var(--mint)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 19px;
      border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:700;
      transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(83,244,198,.45);outline-offset:3px}
    .btn-primary{background:var(--mint);color:#10211e;box-shadow:0 9px 24px rgba(83,244,198,.16)}
    .btn-primary:hover{background:#7affd8;box-shadow:0 12px 28px rgba(83,244,198,.25)}
    .btn-amber{background:var(--amber);color:#291909;box-shadow:0 9px 24px rgba(255,178,75,.14)}
    .btn-amber:hover{background:#ffc36c}
    .btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.035)}
    .btn-ghost:hover{border-color:var(--line-strong);color:var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:9px}
    .mobile-nav{display:none}
    .page-hero{
      position:relative;overflow:hidden;padding:78px 0 72px;
      background:linear-gradient(118deg,#17121f 0%,#21182b 59%,#2a1d32 100%);border-bottom:1px solid var(--line);
    }
    .page-hero:before{
      content:"";position:absolute;width:470px;height:470px;border:1px solid rgba(83,244,198,.18);border-radius:50%;
      right:-115px;top:-205px;box-shadow:0 0 0 34px rgba(83,244,198,.025),0 0 0 86px rgba(83,244,198,.016);
    }
    .page-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--soft);font-size:13px;margin-bottom:22px}
    .breadcrumb a:hover{color:var(--mint)}
    .breadcrumb span{color:var(--mint)}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--mint);font-size:13px;font-weight:700;letter-spacing:1.2px;margin-bottom:16px}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,4.5vw,56px);line-height:1.18;letter-spacing:-1.6px;margin-bottom:19px}
    h1 em{font-style:normal;color:var(--mint)}
    .hero-lead{max-width:700px;color:var(--muted);font-size:17px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .update-orbit{position:relative;min-height:280px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(49,39,61,.62);overflow:hidden;padding:25px}
    .update-orbit:before{content:"";position:absolute;width:220px;height:220px;border-radius:50%;border:1px solid rgba(83,244,198,.24);right:-45px;bottom:-78px}
    .update-orbit:after{content:"";position:absolute;width:120px;height:120px;border-radius:50%;border:1px solid rgba(255,178,75,.28);right:76px;bottom:18px}
    .orbit-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:1px}
    .pulse{width:10px;height:10px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 7px rgba(83,244,198,.1)}
    .orbit-card{position:relative;z-index:1;margin-top:34px;padding:20px;border-left:3px solid var(--amber);border-radius:10px;background:rgba(23,18,31,.66)}
    .orbit-card small{color:var(--soft);font-size:12px}
    .orbit-card strong{display:block;font-size:20px;line-height:1.45;margin:5px 0}
    .orbit-card p{margin:0;color:var(--muted);font-size:13px}
    .section{padding:96px 0}
    .section-dark{background:var(--ink-2)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:36px}
    .section-kicker{margin-bottom:8px;color:var(--mint);font-size:12px;letter-spacing:1.6px;font-weight:800}
    h2{font-size:clamp(27px,3vw,36px);line-height:1.28;letter-spacing:-.8px;margin-bottom:0}
    .section-intro{max-width:650px;color:var(--muted);margin-top:11px}
    .text-link{color:var(--mint);font-size:14px;font-weight:700;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .notice-strip{
      display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;padding:18px 21px;
      border:1px solid rgba(255,178,75,.32);border-radius:12px;background:rgba(255,178,75,.06);color:var(--muted);font-size:14px;
    }
    .notice-icon{width:35px;height:35px;display:grid;place-items:center;border-radius:9px;background:var(--amber);color:#2a1a09;font-weight:900}
    .notice-strip strong{display:block;color:var(--text);font-size:15px}
    .notice-strip span{color:var(--soft);font-size:13px}
    .timeline{position:relative;max-width:1000px;margin:48px auto 0}
    .timeline:before{content:"";position:absolute;left:151px;top:10px;bottom:10px;width:1px;background:var(--line)}
    .timeline-item{display:grid;grid-template-columns:128px 46px 1fr;gap:18px;position:relative;padding-bottom:28px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-date{color:var(--soft);font-size:13px;text-align:right;padding-top:19px}
    .timeline-dot{position:relative;display:flex;justify-content:center;padding-top:18px}
    .timeline-dot:before{content:"";width:13px;height:13px;border:3px solid var(--ink-2);border-radius:50%;background:var(--mint);z-index:1}
    .timeline-dot.amber:before{background:var(--amber)}
    .timeline-card{
      padding:20px 22px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.035);
      transition:.25s;
    }
    .timeline-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
    .timeline-card-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:8px}
    .timeline-card h3{font-size:19px;line-height:1.45;margin:0}
    .timeline-card p{color:var(--muted);font-size:14px;margin:0}
    .tag{display:inline-block;padding:3px 9px;border:1px solid rgba(83,244,198,.35);border-radius:5px;color:var(--mint);font-size:12px;line-height:1.5;white-space:nowrap}
    .tag.amber{border-color:rgba(255,178,75,.38);color:var(--amber)}
    .update-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
    .feature-panel,.access-panel,.info-card,.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
    .feature-panel{padding:33px;position:relative;overflow:hidden;min-height:365px}
    .feature-panel:after{content:"";position:absolute;right:-58px;bottom:-75px;width:240px;height:240px;border:1px solid rgba(83,244,198,.18);border-radius:50%}
    .feature-panel h3{position:relative;z-index:1;font-size:27px;line-height:1.35;margin:14px 0 12px}
    .feature-panel p{position:relative;z-index:1;max-width:515px;color:var(--muted);font-size:15px}
    .feature-list{position:relative;z-index:1;display:grid;gap:11px;margin:24px 0 0;padding:0;list-style:none}
    .feature-list li{display:flex;gap:11px;align-items:flex-start;color:#dfd8e7;font-size:14px}
    .feature-list li:before{content:"✓";width:22px;height:22px;flex:0 0 22px;display:grid;place-items:center;border-radius:6px;background:rgba(83,244,198,.12);color:var(--mint);font-size:12px;font-weight:900;margin-top:2px}
    .access-panel{padding:28px;background:linear-gradient(145deg,#30263d,#251e2f)}
    .access-panel h3{font-size:23px;line-height:1.4;margin:10px 0}
    .access-panel>p{color:var(--muted);font-size:14px}
    .access-links{display:grid;gap:10px;margin-top:23px}
    .access-link{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:15px;border:1px solid var(--line);border-radius:10px;background:rgba(23,18,31,.38);transition:.25s}
    .access-link:hover{border-color:var(--line-strong);transform:translateX(3px)}
    .access-link strong{font-size:15px}
    .access-link span{color:var(--mint);font-size:19px}
    .steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step-card{position:relative;padding:25px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025);transition:.25s}
    .step-card:hover{border-color:var(--line-strong);background:rgba(83,244,198,.035);transform:translateY(-3px)}
    .step-num{display:block;color:var(--mint);font-size:13px;font-weight:900;letter-spacing:1px;margin-bottom:28px}
    .step-card h3{font-size:20px;margin-bottom:10px}
    .step-card p{color:var(--muted);font-size:14px;margin:0}
    .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .info-card{padding:24px;background:rgba(49,39,61,.52);transition:.25s}
    .info-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-3px)}
    .info-icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:rgba(83,244,198,.12);color:var(--mint);font-size:20px;margin-bottom:18px}
    .info-card h3{font-size:19px;line-height:1.45;margin-bottom:8px}
    .info-card p{color:var(--muted);font-size:14px;margin-bottom:15px}
    .info-card a{font-size:14px;font-weight:700;color:var(--mint)}
    .faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:70px;align-items:start}
    .faq-note{padding:25px;border-left:3px solid var(--mint);background:rgba(83,244,198,.055);border-radius:0 12px 12px 0}
    .faq-note p{margin:0;color:var(--muted);font-size:15px}
    .faq-list{display:grid;gap:11px}
    .faq-item{overflow:hidden;background:rgba(255,255,255,.028)}
    .faq-question{
      display:flex;align-items:center;justify-content:space-between;width:100%;padding:19px 20px;border:0;background:transparent;color:var(--text);
      text-align:left;font-size:16px;font-weight:700;
    }
    .faq-question span:last-child{color:var(--mint);font-size:22px;line-height:1;transition:.25s}
    .faq-answer{display:none;padding:0 20px 20px;color:var(--muted);font-size:14px}
    .faq-item.open{border-color:var(--line-strong)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-box{
      position:relative;overflow:hidden;padding:52px 56px;border:1px solid rgba(83,244,198,.3);border-radius:var(--radius);
      background:linear-gradient(112deg,#253a35,#2b2234 66%,#342637);
    }
    .cta-box:after{content:"";position:absolute;right:-70px;top:-125px;width:350px;height:350px;border:1px solid rgba(83,244,198,.23);border-radius:50%}
    .cta-box-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta-box h2{max-width:650px;font-size:34px}
    .cta-box p{max-width:650px;margin:13px 0 0;color:#cec5d6}
    .site-footer{padding:62px 0 24px;background:#110d17;border-top:1px solid var(--line)}
    .footer-top{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:38px;padding-bottom:45px}
    .footer-brand .logo{min-width:0}
    .footer-brand p{max-width:310px;margin:18px 0 0;color:var(--muted);font-size:14px}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:15px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:var(--muted);font-size:14px;transition:.2s}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--soft);font-size:12px}
    @media(max-width:1200px){
      .header-inner{gap:18px}.logo{min-width:230px}.main-nav a{padding-left:8px;padding-right:8px;font-size:13px}
      .header-action{display:none}.page-hero-grid{gap:35px}
    }
    @media(max-width:1024px){
      .main-nav{display:none}.header-inner{justify-content:space-between}.menu-toggle{display:block}.mobile-nav{background:#1c1626;border-bottom:1px solid var(--line)}
      .mobile-nav.open{display:grid}.mobile-nav a{padding:14px 24px;border-bottom:1px solid rgba(255,255,255,.06)}.mobile-nav a.active{color:var(--mint)}
      .page-hero-grid,.faq-layout{grid-template-columns:1fr}.update-orbit{min-height:230px}.steps-grid,.info-grid{grid-template-columns:repeat(3,1fr)}
      .footer-top{grid-template-columns:1.5fr 1fr 1fr}
      .footer-top>div:last-child{grid-column:2/4}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}.site-header{height:72px}.logo{min-width:0}.logo-copy strong{font-size:14px}.logo-copy small{font-size:9px}
      .page-hero{padding:57px 0}.page-hero-grid{gap:30px}h1{font-size:36px}.hero-lead{font-size:16px}.section{padding:70px 0}
      .section-head{display:block;margin-bottom:27px}.section-head .text-link{display:inline-block;margin-top:14px}
      .timeline:before{left:15px}.timeline-item{grid-template-columns:32px 1fr;gap:10px}.timeline-date{grid-column:2;text-align:left;padding:0 0 2px;font-size:12px}
      .timeline-dot{grid-row:1/3;grid-column:1;padding-top:3px}.timeline-card{grid-column:2;padding:18px}.timeline-card-head{align-items:flex-start;flex-direction:column;gap:8px}
      .update-grid,.faq-layout{gap:18px}.steps-grid,.info-grid{grid-template-columns:1fr}.feature-panel{min-height:0}.cta-box{padding:36px 28px}.cta-box-inner{display:block}.cta-box .btn{margin-top:24px}
      .footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/3}.footer-top>div:last-child{grid-column:auto}
    }
    @media(max-width:520px){
      body{font-size:15px}.container{width:calc(100% - 28px)}.logo-mark{width:34px;height:34px}.logo-copy strong{font-size:12px}.page-hero{padding:46px 0}
      h1{font-size:31px;letter-spacing:-1px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}.update-orbit{padding:20px}.orbit-card{margin-top:25px;padding:16px}
      .section{padding:58px 0}h2{font-size:27px}.notice-strip{grid-template-columns:auto 1fr;padding:15px}.notice-strip>a{grid-column:2;justify-self:start}
      .feature-panel,.access-panel{padding:22px}.step-card,.info-card{padding:21px}.faq-question{padding:16px;font-size:15px}.faq-answer{padding:0 16px 16px}
      .footer-top{grid-template-columns:1fr;gap:26px}.footer-brand{grid-column:auto}.footer-bottom{display:grid;gap:5px}.cta-box{padding:30px 22px}.cta-box h2{font-size:27px}
    }

/* roulang page: category6 */
:root{
      --ink:#17121f;
      --ink-2:#21192d;
      --panel:#282033;
      --panel-2:#31273d;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(83,244,198,.42);
      --text:#f8f4fb;
      --muted:#b9afc4;
      --soft:#897e98;
      --mint:#53f4c6;
      --mint-dark:#1cc29a;
      --amber:#ffb24b;
      --danger:#ff806d;
      --radius:16px;
      --shadow:0 18px 45px rgba(0,0,0,.22);
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--ink);color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:16px;line-height:1.75;overflow-x:hidden;
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;opacity:.25;z-index:-1;
      background-image:radial-gradient(rgba(255,255,255,.11) .7px,transparent .7px);
      background-size:7px 7px;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:82px;background:rgba(23,18,31,.97);border-bottom:1px solid var(--line);
      position:sticky;top:0;z-index:20
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:12px;min-width:260px}
    .logo-mark{
      width:37px;height:37px;border:2px solid var(--mint);border-radius:11px;
      display:grid;place-items:center;color:var(--mint);font-weight:900;font-size:18px;transform:rotate(-8deg)
    }
    .logo-copy{line-height:1.15}
    .logo-copy strong{display:block;font-size:16px;letter-spacing:.2px}
    .logo-copy small{display:block;color:var(--mint);font-size:10px;letter-spacing:1.8px;margin-top:5px}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1}
    .main-nav a,.mobile-nav a{
      position:relative;color:var(--muted);font-size:14px;padding:27px 10px;transition:.25s
    }
    .main-nav a:hover,.main-nav a.active{color:var(--mint)}
    .main-nav a.active:after{content:"";position:absolute;left:10px;right:10px;bottom:17px;height:2px;background:var(--mint)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;
      padding:0 19px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:700;
      transition:transform .25s,box-shadow .25s,background .25s,border-color .25s
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(83,244,198,.45);outline-offset:3px}
    .btn-primary{background:var(--mint);color:#10211e;box-shadow:0 9px 24px rgba(83,244,198,.16)}
    .btn-primary:hover{background:#7affd8;box-shadow:0 12px 28px rgba(83,244,198,.25)}
    .btn-amber{background:var(--amber);color:#291909}
    .btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.035)}
    .btn-ghost:hover{border-color:var(--line-strong);color:var(--mint)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);width:44px;height:44px;border-radius:9px}
    .mobile-nav{display:none}
    .page-hero{
      position:relative;overflow:hidden;padding:92px 0 88px;
      background:linear-gradient(112deg,#17121f 0%,#21182b 58%,#2b1c32 100%);
      border-bottom:1px solid var(--line)
    }
    .page-hero:after{
      content:"";position:absolute;width:530px;height:530px;right:-180px;top:-230px;border:1px solid rgba(83,244,198,.2);
      border-radius:50%;box-shadow:0 0 0 36px rgba(83,244,198,.025),0 0 0 94px rgba(83,244,198,.018)
    }
    .hero-content{position:relative;z-index:1;max-width:780px}
    .eyebrow,.section-kicker{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:1.6px}
    .eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:20px}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
    .page-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.18;letter-spacing:-1.7px;margin:0 0 22px}
    .page-hero h1 em{font-style:normal;color:var(--mint)}
    .page-hero p{max-width:700px;color:var(--muted);font-size:18px;margin:0 0 30px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .crumbs{padding:18px 0;color:var(--soft);font-size:13px}
    .crumbs a{color:var(--muted)}
    .crumbs a:hover{color:var(--mint)}
    .crumbs span{margin:0 9px;color:var(--soft)}
    .section{padding:88px 0}
    .section.alt{background:var(--ink-2)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:34px}
    .section h2{font-size:34px;line-height:1.25;letter-spacing:-.8px;margin:8px 0 0}
    .section-intro{color:var(--muted);max-width:610px;margin:12px 0 0}
    .help-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}
    .help-card,.path-card,.contact-card,.faq-item{
      border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);transition:.25s
    }
    .help-card:hover,.path-card:hover,.contact-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
    .help-card{padding:32px}
    .help-card h3{font-size:24px;margin:0 0 12px}
    .help-card p{color:var(--muted);margin:0 0 22px}
    .check-list{list-style:none;margin:0;padding:0;display:grid;gap:15px}
    .check-list li{display:flex;gap:12px;color:var(--muted);font-size:15px}
    .check-list li:before{
      content:"✓";flex:0 0 23px;width:23px;height:23px;border-radius:7px;
      display:grid;place-items:center;background:rgba(83,244,198,.12);color:var(--mint);font-weight:800
    }
    .path-list{display:grid;gap:12px}
    .path-card{display:grid;grid-template-columns:44px 1fr auto;gap:15px;align-items:center;padding:18px 20px}
    .path-number{
      width:40px;height:40px;border-radius:11px;background:rgba(83,244,198,.1);color:var(--mint);
      display:grid;place-items:center;font-weight:800
    }
    .path-card h3{font-size:17px;margin:0 0 3px}
    .path-card p{font-size:13px;color:var(--muted);margin:0}
    .path-arrow{font-size:20px;color:var(--mint)}
    .brand-strip{padding:36px;border-radius:var(--radius);background:linear-gradient(130deg,#2c2038,#24202e);border:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
    .brand-strip h2{font-size:28px;margin:0 0 10px}
    .brand-strip p{color:var(--muted);margin:0;max-width:720px}
    .brand-word{color:var(--mint);font-weight:800;font-size:19px;white-space:nowrap}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .faq-item{overflow:hidden}
    .faq-question{
      width:100%;border:0;background:none;color:var(--text);padding:20px 22px;
      display:flex;justify-content:space-between;align-items:center;text-align:left;font-weight:700
    }
    .faq-question span{color:var(--mint);font-size:21px;transition:.25s}
    .faq-answer{max-height:0;overflow:hidden;color:var(--muted);padding:0 22px;transition:max-height .3s,padding .3s}
    .faq-item.open .faq-answer{max-height:180px;padding:0 22px 20px}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .contact-card{padding:30px;display:flex;justify-content:space-between;align-items:center;gap:24px}
    .contact-card h2{font-size:27px;margin:0 0 8px}
    .contact-card p{color:var(--muted);margin:0}
    .site-footer{background:#110d17;border-top:1px solid var(--line);padding:62px 0 25px}
    .footer-top{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}
    .footer-brand p{color:var(--soft);font-size:14px;max-width:280px;margin-top:18px}
    .footer-title{font-size:14px;font-weight:800;color:var(--text);margin-bottom:16px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:var(--soft);font-size:14px;transition:.2s}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:var(--soft);font-size:12px}
    @media (max-width:1200px){
      .main-nav a{padding-left:7px;padding-right:7px;font-size:13px}
      .logo{min-width:235px}
      .header-inner{gap:18px}
    }
    @media (max-width:900px){
      .main-nav,.header-action{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .site-header{height:72px}
      .mobile-nav{
        position:absolute;top:72px;left:0;right:0;background:#1b1424;border-bottom:1px solid var(--line);
        padding:8px 24px 18px;display:none
      }
      .mobile-nav.open{display:grid}
      .mobile-nav a{padding:13px 4px;border-bottom:1px solid var(--line)}
      .help-layout,.faq-grid{grid-template-columns:1fr}
      .footer-top{grid-template-columns:1.4fr 1fr 1fr}
      .footer-top>div:last-child{grid-column:2}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .page-hero{padding:68px 0 64px}
      .page-hero h1{font-size:40px}
      .page-hero p{font-size:16px}
      .section{padding:64px 0}
      .section h2{font-size:29px}
      .section-head{display:block}
      .section-head .text-link{display:inline-block;margin-top:18px}
      .brand-strip,.contact-card{grid-template-columns:1fr;display:grid}
      .brand-word{white-space:normal}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}
      .footer-top>div:last-child{grid-column:auto}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 28px)}
      .logo{min-width:0}
      .logo-copy strong{font-size:13px}
      .logo-copy small{font-size:9px;letter-spacing:1px}
      .page-hero h1{font-size:34px}
      .help-card{padding:24px 20px}
      .path-card{grid-template-columns:38px 1fr auto;padding:15px 14px;gap:10px}
      .path-number{width:36px;height:36px}
      .path-card h3{font-size:15px}
      .path-card p{font-size:12px}
      .faq-question{padding:17px 16px;font-size:14px}
      .faq-answer{padding-left:16px;padding-right:16px;font-size:14px}
      .faq-item.open .faq-answer{padding-left:16px;padding-right:16px}
      .footer-top{grid-template-columns:1fr}
    }

/* 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}