/* roulang page: index */
:root{
  --ink:#18111f;
  --ink-2:#251b2f;
  --ink-3:#372943;
  --paper:#fffdfa;
  --mist:#f6f1f6;
  --sand:#f1e9e3;
  --line:#e5dce4;
  --muted:#776d7b;
  --soft:#a99eaa;
  --amber:#ee9457;
  --amber-deep:#cf6f38;
  --cream:#ffd9ad;
  --violet:#71607d;
  --white:#fff;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 48px rgba(37,27,47,.10);
  --shadow-dark:0 24px 60px rgba(0,0,0,.24);
  --container:1200px;
  --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(238,148,87,.6);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
.section{padding:96px 0;position:relative}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--amber-deep);font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:26px;height:2px;background:currentColor}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-weight:800;letter-spacing:-.035em;line-height:1.24}
h2{font-size:clamp(27px,3vw,42px);margin-bottom:12px}
h3{font-size:20px;margin-bottom:9px}
.section-intro{margin:0;color:var(--muted);max-width:650px}
.btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 20px;border-radius:10px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
.btn-primary{background:var(--amber);color:#30180e;box-shadow:0 9px 22px rgba(238,148,87,.22)}
.btn-primary:hover{background:#f7aa70;transform:translateY(-2px);box-shadow:0 13px 26px rgba(238,148,87,.3)}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.32);color:var(--white);background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn-text{padding:0;min-height:auto;color:var(--amber-deep);font-weight:800}
.btn-text:hover{color:var(--ink);gap:13px}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#f7e5d8;color:#9d5128;font-size:12px;font-weight:800;line-height:1.4}
.tag-dark{background:rgba(255,217,173,.12);color:var(--cream);border:1px solid rgba(255,217,173,.18)}
.site-header{position:sticky;top:0;z-index:30;background:rgba(24,17,31,.93);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:11px;min-width:0;color:var(--white)}
.brand-mark{width:35px;height:35px;border-radius:11px;display:grid;place-items:center;background:var(--amber);color:var(--ink);font-size:17px;font-weight:900;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
.brand-text{font-size:15px;font-weight:900;white-space:nowrap;letter-spacing:-.04em}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{padding:9px 11px;color:#c8bfca;font-size:14px;font-weight:700;border-radius:8px;transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--white);background:rgba(255,255,255,.09)}
.nav-links a.active{box-shadow:inset 0 -2px 0 var(--amber)}
.nav-tools{display:flex;align-items:center;gap:10px}
.nav-note{font-size:13px;color:#c8bfca}
.menu-toggle{display:none;color:var(--white);background:none;border:0;font-size:24px;padding:7px}
.hero{overflow:hidden;background:var(--ink);color:var(--white);position:relative;padding:78px 0 68px}
.hero:before{content:"";position:absolute;width:610px;height:610px;border-radius:50%;right:-170px;top:-260px;background:radial-gradient(circle,rgba(238,148,87,.24),transparent 63%)}
.hero:after{content:"";position:absolute;width:450px;height:450px;left:36%;bottom:-340px;border:1px solid rgba(255,255,255,.09);border-radius:50%}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:60px;position:relative;z-index:1}
.hero h1{font-size:clamp(38px,5vw,68px);margin:13px 0 20px;max-width:760px}
.hero h1 em{font-style:normal;color:var(--cream)}
.hero-copy{font-size:18px;line-height:1.9;color:#d3cad7;max-width:620px;margin-bottom:29px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{min-height:405px;position:relative}
.stage{position:absolute;inset:32px 0 0 40px;border-radius:26px;background:linear-gradient(145deg,#45354f,#211828 72%);border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow-dark);overflow:hidden}
.stage:before{content:"";position:absolute;width:330px;height:330px;border:44px solid rgba(238,148,87,.16);border-radius:50%;right:-74px;top:-88px}
.stage:after{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(255,255,255,.22);border-radius:50%;left:-55px;bottom:-86px}
.stage-label{position:absolute;left:31px;top:31px;font-size:12px;color:var(--cream);letter-spacing:.12em;font-weight:800}
.stage-title{position:absolute;left:31px;bottom:36px;z-index:1;font-size:clamp(28px,3.2vw,44px);font-weight:900;line-height:1.15}
.play-orb{position:absolute;z-index:2;right:68px;top:116px;width:116px;height:116px;border-radius:50%;display:grid;place-items:center;background:var(--amber);color:var(--ink);font-size:30px;box-shadow:0 0 0 16px rgba(238,148,87,.12)}
.floating-card{position:absolute;z-index:3;right:-12px;bottom:5px;width:230px;background:#fffaf5;color:var(--ink);padding:18px;border-radius:16px;box-shadow:var(--shadow-dark)}
.floating-card b{display:block;font-size:17px;margin-bottom:5px}
.floating-card span{font-size:13px;color:var(--muted)}
.stats{background:#2d2236;color:var(--white)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:25px 28px;border-right:1px solid rgba(255,255,255,.12)}
.stat:last-child{border-right:0}
.stat strong{display:block;color:var(--cream);font-size:18px;line-height:1.3;margin-bottom:5px}
.stat span{color:#cfc6d0;font-size:14px}
.featured{background:var(--mist)}
.feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.feature-main{min-height:420px;border-radius:var(--radius);padding:42px;position:relative;overflow:hidden;background:var(--ink-2);color:var(--white);display:flex;flex-direction:column;justify-content:end}
.feature-main:before{content:"";position:absolute;inset:0;background:linear-gradient(125deg,transparent 30%,rgba(238,148,87,.18));pointer-events:none}
.feature-main:after{content:"◉";position:absolute;right:42px;top:24px;color:rgba(255,217,173,.22);font-size:160px;line-height:1}
.feature-main p{color:#d3cad7;max-width:520px;position:relative}
.feature-main h2{position:relative;margin-bottom:12px}
.feature-side{display:grid;gap:24px}
mini-card{display:block}
.mini-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-height:198px;transition:var(--ease)}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6bca9}
.mini-icon{width:42px;height:42px;border-radius:12px;background:#f7e5d8;color:var(--amber-deep);display:grid;place-items:center;font-weight:900;margin-bottom:17px}
.mini-card p{font-size:14px;color:var(--muted);margin:0}
.events{background:var(--paper)}
.event-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
.event-copy{position:sticky;top:112px}
.event-copy p{color:var(--muted)}
.timeline{border-left:1px solid var(--line);padding-left:29px}
.event-row{position:relative;padding:0 0 27px;margin-bottom:22px;border-bottom:1px solid var(--line)}
.event-row:before{content:"";position:absolute;width:10px;height:10px;background:var(--amber);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--amber);border-radius:50%;left:-35px;top:8px}
.event-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:7px}
.event-time{font-size:13px;color:var(--muted)}
.event-row h3{font-size:19px;margin:0}
.event-row p{margin:6px 0 0;color:var(--muted);font-size:14px}
.chess{background:#ede4e8}
.chess-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.chess-lead{grid-column:span 7;background:var(--white);padding:38px;border-radius:var(--radius);border:1px solid var(--line)}
.chess-lead p{color:var(--muted);max-width:610px}
.chess-tiles{grid-column:span 5;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.chess-tile{border-radius:var(--radius-sm);padding:22px;background:var(--ink-3);color:var(--white);min-height:148px;position:relative;overflow:hidden}
.chess-tile:nth-child(2){background:var(--amber);color:var(--ink)}
.chess-tile:nth-child(3){background:#796685}
.chess-tile:nth-child(4){background:#d9cdc4;color:var(--ink)}
.chess-tile:after{content:"◆";position:absolute;right:14px;bottom:-20px;font-size:74px;opacity:.15}
.chess-tile p{font-size:13px;line-height:1.65;margin:7px 0 0;opacity:.78}
.download{background:var(--ink);color:var(--white);overflow:hidden}
.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}
.download p{color:#d2c8d5;max-width:570px}
.download-actions{display:flex;flex-wrap:wrap;gap:12px;margin:25px 0}
.platforms{display:flex;flex-wrap:wrap;gap:8px}
.device-box{min-height:390px;position:relative;display:grid;place-items:center}
.phone{width:225px;height:400px;border:9px solid #30243a;border-radius:35px;background:#f8eee7;padding:15px;box-shadow:0 25px 55px rgba(0,0,0,.38);transform:rotate(8deg);position:relative}
.phone:before{content:"";position:absolute;width:82px;height:18px;border-radius:0 0 12px 12px;background:#30243a;top:-1px;left:62px;z-index:3}
.phone-screen{height:100%;border-radius:22px;background:linear-gradient(155deg,#34263f,#7a5262);padding:31px 15px 15px;overflow:hidden}
.screen-brand{font-weight:900;color:var(--cream);font-size:13px}
.screen-block{height:106px;border-radius:15px;background:rgba(255,255,255,.12);margin-top:22px;padding:15px;color:#fff}
.screen-block b{display:block;font-size:23px}
.screen-list{margin-top:13px;display:grid;gap:8px}
.screen-list i{display:block;height:9px;width:100%;background:rgba(255,255,255,.15);border-radius:9px}
.screen-list i:nth-child(2){width:75%}.screen-list i:nth-child(3){width:58%}
.qr{position:absolute;right:35px;bottom:35px;width:102px;height:102px;padding:9px;background:#fff;border-radius:10px;display:grid;grid-template-columns:repeat(7,1fr);gap:3px}
.qr i{background:var(--ink);border-radius:1px}.qr i:nth-child(2n){background:transparent}.qr i:nth-child(5n){background:var(--amber)}
.steps{background:var(--paper)}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{padding:25px 22px;border-top:3px solid var(--amber);background:#fbf8fa;position:relative}
.step-no{color:var(--amber-deep);font-size:13px;font-weight:900;letter-spacing:.1em}
.step h3{margin:10px 0 6px;font-size:18px}.step p{color:var(--muted);font-size:14px;margin:0}
.news{background:var(--mist)}
.news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:24px}
.news-lead{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:33px;min-height:320px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
.news-lead:before{content:"资讯";font-weight:900;font-size:100px;letter-spacing:-.1em;color:#f2e9ef;position:absolute;right:-10px;top:-30px}
.news-lead h3,.news-lead p,.news-lead .meta{position:relative}
.news-lead h3{font-size:27px;max-width:570px}
.news-lead p{color:var(--muted)}
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:13px}
.news-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:8px 25px}
.news-item{display:block;padding:19px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.news-item:last-child{border-bottom:0}
.news-item:hover{padding-left:8px}
.news-item h3{font-size:16px;margin:6px 0}
.news-item p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{padding:44px 0;color:var(--muted);text-align:center}
.dynamic{background:var(--paper)}
.dynamic-strip{display:grid;grid-template-columns:260px 1fr;gap:30px;align-items:start;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:35px 0}
.dynamic-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.dynamic-item{padding-left:15px;border-left:2px solid #d5c4d2}
.dynamic-item b{display:block;font-size:15px;line-height:1.5;margin:7px 0}.dynamic-item span{font-size:12px;color:var(--muted)}
.topics{background:#f4ede8}
.topic-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px}
.topic{border-radius:var(--radius);padding:29px;min-height:230px;background:var(--white);border:1px solid rgba(116,87,103,.12);display:flex;flex-direction:column;justify-content:end;transition:var(--ease)}
.topic:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.topic:first-child{background:var(--ink-2);color:var(--white);min-height:320px}
.topic:first-child p{color:#d3cad7}.topic p{color:var(--muted);font-size:14px;margin:0}.topic h3{font-size:23px}
.guides{background:var(--paper)}
.guide-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:50px;align-items:center}
.guide-plate{background:var(--ink-3);color:var(--white);border-radius:var(--radius);padding:39px;min-height:365px;position:relative;overflow:hidden}
.guide-plate:after{content:"J9";position:absolute;right:-18px;bottom:-54px;font-size:180px;font-weight:900;color:rgba(255,255,255,.07)}
.guide-plate p{color:#d3cad7;position:relative}.guide-plate h2{position:relative}
.guide-list{display:grid;gap:0}
.guide-row{display:grid;grid-template-columns:62px 1fr;gap:18px;padding:19px 0;border-bottom:1px solid var(--line)}
.guide-row:last-child{border-bottom:0}.guide-index{font-size:24px;font-weight:900;color:#d4c0c9}.guide-row h3{font-size:18px;margin:0 0 4px}.guide-row p{color:var(--muted);font-size:14px;margin:0}
.rules{background:var(--mist)}
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rule-card{border-radius:var(--radius-sm);background:var(--white);border:1px solid var(--line);padding:25px}
.rule-card h3{font-size:18px}.rule-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
.rule-card ul{margin:0;padding-left:18px;color:var(--muted);font-size:14px}.rule-card li+li{margin-top:6px}
.service{background:var(--paper)}
.service-band{background:var(--ink-2);color:var(--white);border-radius:var(--radius);padding:37px 42px;display:grid;grid-template-columns:1fr 2fr;gap:35px;align-items:center}
.service-band p{color:#d3cad7;margin:0}
.service-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.service-item{border-left:1px solid rgba(255,255,255,.18);padding-left:16px}
.service-item b{display:block;color:var(--cream);margin-bottom:4px}.service-item span{font-size:13px;color:#d3cad7}
.faq{background:#f4ede8}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;align-items:start}
.faq-copy p{color:var(--muted)}
.faq-list{border-top:1px solid #dccfd6}
.faq-item{border-bottom:1px solid #dccfd6}
.faq-q{width:100%;border:0;background:transparent;text-align:left;padding:20px 42px 20px 0;color:var(--ink);font-weight:800;font-size:17px;position:relative}
.faq-q:after{content:"+";position:absolute;right:6px;top:16px;color:var(--amber-deep);font-size:25px;font-weight:400}
.faq-q[aria-expanded="true"]:after{content:"−"}
.faq-a{display:none;padding:0 35px 20px 0;color:var(--muted);font-size:15px}
.faq-a.open{display:block}
.closing{background:var(--ink);color:var(--white);padding:78px 0}
.closing-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}
.closing h2{margin:0 0 10px}.closing p{margin:0;color:#d3cad7}.closing-actions{display:flex;gap:12px;flex-wrap:wrap}
.footer{background:#120d17;color:#d0c6d1;padding:56px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:42px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .brand{margin-bottom:16px}.footer p{font-size:14px;color:#a89dab;max-width:420px}
.footer h3{font-size:15px;color:var(--cream);letter-spacing:0;margin-bottom:13px}
.footer-links{display:grid;gap:8px}.footer-links a{font-size:14px;color:#c9becb;transition:var(--ease)}.footer-links a:hover{color:var(--amber)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#897d8c;font-size:12px}
.footer-bottom span:last-child{text-align:right}
@media(max-width:1024px){
 .nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.brand-text{font-size:13px}.nav-note{display:none}
 .hero-grid,.download-grid{gap:35px}.event-layout,.faq-layout{gap:38px}.service-band{grid-template-columns:1fr}
}
@media(max-width:768px){
 .container{width:min(calc(100% - 32px),var(--container))}
 .section{padding:65px 0}.section-head{display:block;margin-bottom:27px}.section-head .section-intro{margin-top:9px}
 .nav-wrap{height:67px}.menu-toggle{display:block}.nav-tools .btn{display:none}
 .nav-links{display:none;position:absolute;top:67px;left:0;right:0;padding:13px 16px 18px;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:11px 13px}.brand-text{overflow:hidden;text-overflow:ellipsis}
 .hero{padding:58px 0 50px}.hero-grid,.feature-grid,.event-layout,.download-grid,.news-layout,.guide-layout,.faq-layout{grid-template-columns:1fr}
 .hero h1{font-size:43px}.hero-visual{min-height:330px;margin-top:8px}.stage{inset:15px 8px 0 10px}.floating-card{right:0}.play-orb{right:42px;top:90px;width:92px;height:92px}
 .stats-grid{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.12)}
 .event-copy{position:static}.chess-lead,.chess-tiles{grid-column:span 12}.step-grid,.rule-grid{grid-template-columns:1fr 1fr}.dynamic-strip{grid-template-columns:1fr}.dynamic-list{grid-template-columns:1fr 1fr}
 .topic-grid{grid-template-columns:1fr 1fr}.topic:first-child{grid-column:span 2;min-height:245px}.service-list{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 body{font-size:15px}.section{padding:54px 0}.hero h1{font-size:35px}.hero-copy{font-size:16px}
 .hero-actions,.closing-actions{flex-direction:column}.hero-actions .btn,.closing-actions .btn{width:100%}.hero-visual{min-height:282px}.stage{padding:0}.stage-title{font-size:29px;left:22px}.stage-label{left:22px;top:22px}.play-orb{right:26px;top:76px;width:78px;height:78px}.floating-card{width:190px;padding:14px}
 .stats-grid,.step-grid,.rule-grid,.dynamic-list,.topic-grid,.service-list,.footer-grid{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}.stat:last-child{border-bottom:0}
 .feature-main{min-height:330px;padding:27px}.chess-lead{padding:27px}.chess-tiles{grid-template-columns:1fr}.news-lead{padding:26px}.news-lead h3{font-size:22px}.news-list{padding:8px 18px}.topic:first-child{grid-column:auto}
 .phone{transform:rotate(4deg) scale(.88)}.device-box{min-height:335px}.qr{right:3px;bottom:15px;width:86px;height:86px}.service-band{padding:30px 25px}.footer-bottom{display:block}.footer-bottom span:last-child{display:block;text-align:left;margin-top:5px}
}

/* roulang page: article */
:root{
      --ink:#18111f;
      --ink-2:#251b2f;
      --ink-3:#372943;
      --paper:#fffdfa;
      --mist:#f6f1f6;
      --sand:#f1e9e3;
      --line:#e5dce4;
      --muted:#776d7b;
      --soft:#a99eaa;
      --amber:#ee9457;
      --amber-deep:#cf6f38;
      --cream:#ffd9ad;
      --violet:#71607d;
      --white:#fff;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 48px rgba(37,27,47,.10);
      --shadow-dark:0 24px 60px rgba(0,0,0,.24);
      --container:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button{font:inherit;cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(24,17,31,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:11px;min-width:0;color:var(--white)}
    .brand-mark{width:35px;height:35px;border-radius:11px;display:grid;place-items:center;background:var(--amber);color:var(--ink);font-size:17px;font-weight:900;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
    .brand-text{font-size:15px;font-weight:900;white-space:nowrap;letter-spacing:-.04em}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:9px 11px;color:#c8bfca;font-size:14px;font-weight:700;border-radius:8px;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{color:var(--white);background:rgba(255,255,255,.09)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--amber)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .nav-note{font-size:13px;color:#c8bfca}
    .menu-toggle{display:none;color:var(--white);background:none;border:0;font-size:24px;padding:7px}
    .btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 20px;border-radius:10px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
    .btn-primary{background:var(--amber);color:#30180e;box-shadow:0 9px 22px rgba(238,148,87,.22)}
    .btn-primary:hover{background:#f7aa70;transform:translateY(-2px);box-shadow:0 13px 26px rgba(238,148,87,.3)}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
    .btn-light{background:var(--white);border-color:var(--line);color:var(--ink)}
    .btn-light:hover{border-color:var(--amber);color:var(--amber-deep);transform:translateY(-2px)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--amber-deep);font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:26px;height:2px;background:currentColor}
    .article-hero{background:var(--ink);color:var(--white);padding:70px 0 66px;position:relative;overflow:hidden}
    .article-hero:before{content:"";position:absolute;width:620px;height:620px;right:-180px;top:-330px;border-radius:50%;background:radial-gradient(circle,rgba(238,148,87,.26),transparent 64%)}
    .article-hero:after{content:"";position:absolute;width:420px;height:420px;left:53%;bottom:-340px;border:1px solid rgba(255,255,255,.1);border-radius:50%}
    .hero-inner{position:relative;z-index:1}
    .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 26px;color:#c8bfca;font-size:14px}
    .breadcrumb a:hover{color:var(--cream)}
    .breadcrumb .slash{color:#766879}
    .article-hero h1{font-size:clamp(34px,5vw,62px);line-height:1.2;letter-spacing:-.04em;max-width:920px;margin:0 0 22px}
    .article-lead{max-width:780px;color:#d7ced9;font-size:18px;margin:0 0 28px}
    .meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;color:#b9aebb;font-size:14px}
    .meta-row strong{color:var(--cream);font-weight:700}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#f7e5d8;color:#9d5128;font-size:12px;font-weight:800;line-height:1.4}
    .tag-dark{background:rgba(255,217,173,.12);color:var(--cream);border:1px solid rgba(255,217,173,.18)}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 290px;gap:68px;align-items:start}
    .content-section{padding:76px 0}
    .article-body{font-size:17px;line-height:2;color:#342b39}
    .article-body h2{font-size:30px;line-height:1.35;color:var(--ink);margin:42px 0 16px;padding-left:17px;border-left:4px solid var(--amber)}
    .article-body h3{font-size:23px;line-height:1.45;color:var(--ink);margin:32px 0 12px}
    .article-body p{margin:0 0 22px}
    .article-body ul,.article-body ol{padding-left:27px;margin:0 0 24px}
    .article-body li{margin:7px 0}
    .article-body blockquote{margin:28px 0;padding:20px 24px;background:var(--mist);border-left:3px solid var(--amber);color:var(--muted);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
    .article-body table{width:100%;border-collapse:collapse;margin:28px 0;background:var(--white);font-size:15px}
    .article-body th,.article-body td{padding:13px 15px;border:1px solid var(--line);text-align:left}
    .article-body th{background:var(--mist);color:var(--ink);font-weight:800}
    .article-body img{border-radius:var(--radius);margin:28px auto;box-shadow:var(--shadow)}
    .article-body a{color:var(--amber-deep);text-decoration:underline;text-underline-offset:3px}
    .article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
    .reading-aside{position:sticky;top:104px}
    .aside-card{background:var(--mist);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:18px}
    .aside-card h2{font-size:18px;margin:0 0 15px}
    .aside-card p{color:var(--muted);font-size:14px;line-height:1.8;margin:0}
    .aside-list{display:grid;gap:11px;margin:0;padding:0;list-style:none}
    .aside-list li{font-size:14px;color:var(--muted);padding-bottom:11px;border-bottom:1px solid var(--line)}
    .aside-list li:last-child{border-bottom:0;padding-bottom:0}
    .aside-list a{color:var(--ink);font-weight:700}
    .aside-list a:hover{color:var(--amber-deep)}
    .article-tools{display:flex;flex-wrap:wrap;gap:10px;padding:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:40px}
    .support-section{background:var(--mist);padding:58px 0}
    .support-box{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:32px 38px;background:var(--ink-2);border-radius:var(--radius);color:var(--white);box-shadow:var(--shadow-dark)}
    .support-box h2{font-size:27px;line-height:1.35;margin:0 0 8px}
    .support-box p{margin:0;color:#cec4d2}
    .support-actions{display:flex;flex-wrap:wrap;gap:10px;flex-shrink:0}
    .related-section{padding:76px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:32px;margin:10px 0 0}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .related-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:190px;transition:var(--ease)}
    .related-card:hover{transform:translateY(-4px);border-color:#d6bca9;box-shadow:var(--shadow)}
    .related-card h3{font-size:19px;line-height:1.45;margin:15px 0 10px}
    .related-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 16px}
    .card-link{font-size:14px;color:var(--amber-deep);font-weight:800}
    .empty-state{padding:52px 28px;text-align:center;background:var(--mist);border:1px solid var(--line);border-radius:var(--radius);color:var(--muted)}
    .empty-state strong{display:block;color:var(--ink);font-size:22px;margin-bottom:8px}
    .footer{background:var(--ink);color:var(--white);padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:50px}
    .footer .brand{margin-bottom:16px}
    .footer p{max-width:390px;color:#bdb2c2;margin:0}
    .footer h3{font-size:16px;margin:4px 0 17px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#bdb2c2;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--cream);padding-left:4px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:45px;padding-top:20px;color:#968a9d;font-size:12px}
    :focus-visible{outline:3px solid rgba(238,148,87,.65);outline-offset:3px}
    @media(max-width:1024px){
      .nav-note{display:none}
      .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:35px}
      .support-box{padding:28px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-wrap{height:68px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;background:var(--ink-2);border:1px solid rgba(255,255,255,.12);border-radius:14px;box-shadow:var(--shadow-dark);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-tools .btn{display:none}
      .brand-text{font-size:13px}
      .article-hero{padding:52px 0 48px}
      .article-hero h1{font-size:36px}
      .article-lead{font-size:16px}
      .article-layout{display:block}
      .content-section,.related-section{padding:52px 0}
      .reading-aside{position:static;margin-top:35px}
      .support-box{display:block}
      .support-actions{margin-top:22px}
      .related-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .article-hero h1{font-size:30px}
      .article-body{font-size:16px}
      .article-body h2{font-size:25px}
      .support-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }

/* roulang page: category1 */
:root{
      --ink:#18111f;--ink-2:#251b2f;--ink-3:#372943;--paper:#fffdfa;
      --mist:#f6f1f6;--sand:#f1e9e3;--line:#e5dce4;--muted:#776d7b;
      --soft:#a99eaa;--amber:#ee9457;--amber-deep:#cf6f38;--cream:#ffd9ad;
      --violet:#71607d;--white:#fff;--radius:18px;--radius-sm:12px;
      --shadow:0 18px 48px rgba(37,27,47,.1);--shadow-dark:0 24px 60px rgba(0,0,0,.24);
      --container:1200px;--ease:all .25s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit;cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(24,17,31,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:11px;min-width:0;color:var(--white)}
    .brand-mark{width:35px;height:35px;border-radius:11px;display:grid;place-items:center;background:var(--amber);color:var(--ink);font-size:17px;font-weight:900;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
    .brand-text{font-size:15px;font-weight:900;white-space:nowrap;letter-spacing:-.04em}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:9px 11px;color:#c8bfca;font-size:14px;font-weight:700;border-radius:8px;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{color:var(--white);background:rgba(255,255,255,.09)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--amber)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .nav-note{font-size:13px;color:#c8bfca}
    .menu-toggle{display:none;color:var(--white);background:none;border:0;font-size:24px;padding:7px}
    .btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 20px;border-radius:10px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
    .btn-primary{background:var(--amber);color:#30180e;box-shadow:0 9px 22px rgba(238,148,87,.22)}
    .btn-primary:hover{background:#f7aa70;transform:translateY(-2px);box-shadow:0 13px 26px rgba(238,148,87,.3)}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
    .btn-ghost{border-color:rgba(255,255,255,.32);color:var(--white);background:rgba(255,255,255,.04)}
    .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
    .btn-text{padding:0;min-height:auto;color:var(--amber-deep);font-weight:800}
    .btn-text:hover{color:var(--ink)}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#f7e5d8;color:#9d5128;font-size:12px;font-weight:800;line-height:1.4}
    .tag-dark{background:rgba(255,217,173,.12);color:var(--cream);border:1px solid rgba(255,217,173,.18)}
    .page-band{background:var(--ink);color:var(--white);padding:66px 0 74px;position:relative;overflow:hidden}
    .page-band:after{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(255,217,173,.16);border-radius:50%;right:-100px;top:-250px}
    .crumbs{position:relative;z-index:1;color:#bfb4c5;font-size:14px;margin-bottom:25px}
    .crumbs a:hover{color:var(--cream)}
    .page-band h1{position:relative;z-index:1;font-size:clamp(36px,5vw,62px);line-height:1.18;margin:0 0 18px;max-width:780px}
    .page-band h1 em{font-style:normal;color:var(--cream)}
    .page-intro{position:relative;z-index:1;color:#d7cedb;max-width:720px;font-size:18px;margin:0}
    .section{padding:88px 0}
    .section.mist{background:var(--mist)}
    .section.dark{background:var(--ink-2);color:var(--white)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--amber-deep);font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:26px;height:2px;background:currentColor}
    .dark .eyebrow{color:var(--cream)}
    h2{font-size:clamp(28px,4vw,42px);line-height:1.25;margin:10px 0 0}
    h3{line-height:1.35}
    .section-intro{margin:0;color:var(--muted);max-width:650px}
    .dark .section-intro{color:#cfc4d2}
    .content-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .feature-card,.info-card,.rule-card,.scene-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);padding:30px;transition:var(--ease)}
    .feature-card:hover,.info-card:hover,.rule-card:hover,.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6bca9}
    .feature-card{background:var(--ink-2);color:var(--white);min-height:310px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
    .feature-card:before{content:"";position:absolute;width:260px;height:260px;border:34px solid rgba(238,148,87,.15);border-radius:50%;right:-70px;top:-80px}
    .feature-card>*{position:relative;z-index:1}
    .feature-card p{color:#d3cad7;margin:10px 0 20px}
    .feature-card h3{font-size:30px;margin:12px 0 0}
    .stack{display:grid;gap:18px}
    .info-card{min-height:146px}
    .info-card h3,.scene-card h3,.rule-card h3{margin:12px 0 8px;font-size:20px}
    .info-card p,.scene-card p,.rule-card p{color:var(--muted);margin:0;font-size:15px}
    .icon-box{width:42px;height:42px;border-radius:12px;background:#f8e6d8;color:var(--amber-deep);display:grid;place-items:center;font-weight:900}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .scene-card{min-height:230px}
    .scene-card:nth-child(2){background:#fff7ed}
    .scene-card:nth-child(3){background:#f1edf5}
    .scene-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(255,255,255,.16)}
    .timeline-item{padding:28px 25px 8px;border-right:1px solid rgba(255,255,255,.13);position:relative}
    .timeline-item:last-child{border-right:0}
    .timeline-item:before{content:"";position:absolute;width:11px;height:11px;background:var(--amber);border-radius:50%;top:-6px;left:25px;box-shadow:0 0 0 5px rgba(238,148,87,.14)}
    .timeline-item strong{display:block;color:var(--cream);font-size:14px;margin-bottom:10px}
    .timeline-item h3{font-size:20px;margin:0 0 8px}
    .timeline-item p{color:#cfc4d2;font-size:14px;margin:0}
    .rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .rule-card{background:var(--paper)}
    .rule-card ul{padding-left:20px;color:var(--muted);margin:15px 0 0}
    .rule-card li{margin:5px 0}
    .faq-list{max-width:880px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line);padding:22px 0}
    .faq-item summary{cursor:pointer;font-weight:800;font-size:18px;list-style:none;padding-right:30px;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";position:absolute;right:0;color:var(--amber-deep);font-size:22px}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{color:var(--muted);margin:12px 32px 0 0}
    .cta-strip{background:var(--sand);padding:42px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-inner h2{font-size:30px;margin:0 0 8px}
    .cta-inner p{color:var(--muted);margin:0}
    .footer{background:var(--ink);color:var(--white);padding:64px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:50px}
    .footer .brand{margin-bottom:18px}
    .footer p{color:#bdb2c3;max-width:390px;margin:0}
    .footer h3{font-size:16px;margin:3px 0 16px;color:var(--cream)}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#c8bfca;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--amber)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;margin-top:48px;color:#9f94a5;font-size:13px}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
    @media(max-width:1024px){
      .nav-note{display:none}.content-grid{grid-template-columns:1fr}.scene-grid,.rule-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-wrap{height:68px}.menu-toggle{display:block;order:2}.nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;padding:12px;background:var(--ink-2);border:1px solid rgba(255,255,255,.12);border-radius:14px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow-dark)}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-tools{margin-left:auto}.nav-tools .btn{min-height:42px;padding:9px 13px;font-size:13px}
      .brand-text{font-size:13px}.page-band{padding:48px 0 56px}.section{padding:64px 0}.section-head{display:block;margin-bottom:26px}.section-intro{margin-top:14px}
      .scene-grid,.rule-grid,.timeline{grid-template-columns:1fr}.timeline-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.13);padding-left:25px}.timeline-item:last-child{border-bottom:0}
      .cta-inner{display:block}.cta-inner .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .nav-tools .btn{display:none}.page-band h1{font-size:37px}.page-intro{font-size:16px}.feature-card{min-height:270px;padding:24px}.feature-card h3{font-size:26px}.info-card,.scene-card,.rule-card{padding:23px}.footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{
      --ink:#18111f;
      --ink-2:#251b2f;
      --ink-3:#372943;
      --paper:#fffdfa;
      --mist:#f6f1f6;
      --sand:#f1e9e3;
      --line:#e5dce4;
      --muted:#776d7b;
      --soft:#a99eaa;
      --amber:#ee9457;
      --amber-deep:#cf6f38;
      --cream:#ffd9ad;
      --violet:#71607d;
      --white:#fff;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 48px rgba(37,27,47,.10);
      --shadow-dark:0 24px 60px rgba(0,0,0,.24);
      --container:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit;cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(24,17,31,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:11px;min-width:0;color:var(--white)}
    .brand-mark{width:35px;height:35px;border-radius:11px;display:grid;place-items:center;background:var(--amber);color:var(--ink);font-size:17px;font-weight:900;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
    .brand-text{font-size:15px;font-weight:900;white-space:nowrap;letter-spacing:-.04em}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:9px 11px;color:#c8bfca;font-size:14px;font-weight:700;border-radius:8px;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{color:var(--white);background:rgba(255,255,255,.09)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--amber)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .nav-note{font-size:13px;color:#c8bfca}
    .menu-toggle{display:none;color:var(--white);background:none;border:0;font-size:24px;padding:7px}
    .btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 20px;border-radius:10px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
    .btn-primary{background:var(--amber);color:#30180e;box-shadow:0 9px 22px rgba(238,148,87,.22)}
    .btn-primary:hover{background:#f7aa70;transform:translateY(-2px);box-shadow:0 13px 26px rgba(238,148,87,.3)}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);color:var(--ink);background:var(--white)}
    .btn-outline:hover{border-color:var(--amber);color:var(--amber-deep);transform:translateY(-2px)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--amber-deep);font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:26px;height:2px;background:currentColor}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#f7e5d8;color:#9d5128;font-size:12px;font-weight:800;line-height:1.4}
    .tag-dark{background:rgba(255,217,173,.12);color:var(--cream);border:1px solid rgba(255,217,173,.18)}
    .page-band{background:var(--ink);color:var(--white);padding:56px 0 62px;position:relative;overflow:hidden}
    .page-band:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,217,173,.15);border-radius:50%;right:-110px;top:-220px;box-shadow:0 0 0 38px rgba(238,148,87,.04),0 0 0 76px rgba(238,148,87,.03)}
    .page-band .container{position:relative;z-index:1}
    .breadcrumb{display:flex;align-items:center;gap:9px;color:#bdb2c2;font-size:14px;margin-bottom:25px}
    .breadcrumb a:hover{color:var(--cream)}
    .page-band h1{font-size:clamp(34px,5vw,60px);line-height:1.2;margin:0 0 18px;max-width:780px}
    .page-band h1 em{font-style:normal;color:var(--cream)}
    .page-lead{max-width:700px;color:#d4cad8;font-size:17px;margin:0}
    .section{padding:82px 0}
    .section-alt{background:var(--mist)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}
    .section h2{font-size:clamp(27px,3vw,40px);line-height:1.28;margin:9px 0 0}
    .section-intro{margin:0;color:var(--muted);max-width:650px}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}
    .intro-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
    .intro-card h2{margin-top:0;font-size:29px}
    .intro-card p{color:var(--muted);margin-bottom:0}
    .scope-panel{background:var(--ink-2);border-radius:var(--radius);padding:30px;color:var(--white);position:relative;overflow:hidden}
    .scope-panel:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(255,217,173,.2);border-radius:50%;right:-48px;bottom:-74px}
    .scope-panel h3{font-size:21px;margin:0 0 19px;position:relative;z-index:1}
    .scope-list{list-style:none;padding:0;margin:0;display:grid;gap:13px;position:relative;z-index:1}
    .scope-list li{display:flex;gap:12px;color:#ded5e0;font-size:14px}
    .scope-list li:before{content:"✦";color:var(--amber);font-weight:900}
    .event-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:28px}
    .timeline{display:grid;gap:14px}
    .event-row{display:grid;grid-template-columns:112px 1fr auto;align-items:center;gap:20px;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:21px 23px;transition:var(--ease)}
    .event-row:hover{transform:translateX(4px);border-color:#d8b49b;box-shadow:var(--shadow)}
    .event-date{font-weight:900;color:var(--amber-deep);font-size:14px}
    .event-copy h3{font-size:18px;margin:0 0 3px}
    .event-copy p{font-size:13px;color:var(--muted);margin:0}
    .status{font-size:12px;color:var(--violet);background:#eee9f0;padding:5px 9px;border-radius:99px;white-space:nowrap;font-weight:800}
    .focus-card{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;justify-content:space-between;min-height:100%}
    .focus-card h3{font-size:25px;line-height:1.35;margin:15px 0}
    .focus-card p{color:#cfc5d3;margin:0}
    .focus-mark{font-size:52px;color:var(--amber);line-height:1}
    .topic-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .topic-card{min-height:220px;padding:27px;border-radius:var(--radius);background:var(--white);border:1px solid var(--line);position:relative;overflow:hidden;transition:var(--ease)}
    .topic-card:first-child{background:var(--sand)}
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d7b39a}
    .topic-card h3{font-size:21px;margin:19px 0 8px}
    .topic-card p{font-size:14px;color:var(--muted);margin:0}
    .topic-number{font-size:34px;color:#d6c4b7;font-weight:900;line-height:1}
    .topic-card .tag{position:absolute;right:20px;top:20px}
    .guide-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:start}
    .guide-title h2{margin-bottom:15px}
    .guide-title p{color:var(--muted)}
    .guide-list{display:grid;gap:12px}
    .guide-item{display:flex;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
    .guide-item:last-child{border-bottom:0}
    .guide-no{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--amber);display:grid;place-items:center;font-weight:900;color:var(--ink)}
    .guide-item h3{font-size:17px;margin:0 0 3px}
    .guide-item p{font-size:14px;color:var(--muted);margin:0}
    .info-strip{background:var(--ink-2);color:var(--white);padding:42px 0}
    .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    .info-block{border-left:2px solid var(--amber);padding-left:19px}
    .info-block strong{display:block;font-size:18px;margin-bottom:5px}
    .info-block span{font-size:14px;color:#cfc5d3}
    .faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:13px;overflow:hidden}
    .faq-item summary{cursor:pointer;list-style:none;padding:20px 24px;font-weight:800;position:relative;padding-right:55px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";position:absolute;right:22px;color:var(--amber-deep);font-size:22px;top:15px}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 24px 21px;color:var(--muted);font-size:14px}
    .cta{padding:74px 0;background:var(--sand)}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--ink);color:var(--white);border-radius:var(--radius);padding:38px 44px}
    .cta-box h2{margin:0 0 8px;font-size:30px}
    .cta-box p{margin:0;color:#d1c7d5}
    .footer{background:var(--ink);color:var(--white);padding:65px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;padding-bottom:45px}
    .footer .brand{margin-bottom:17px}
    .footer p{color:#bdb2c2;max-width:380px;margin:0;font-size:14px}
    .footer h3{font-size:16px;margin:4px 0 17px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{font-size:14px;color:#bdb2c2;transition:var(--ease)}
    .footer-links a:hover{color:var(--cream);padding-left:4px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:18px;color:#978b9d;font-size:12px}
    :focus-visible{outline:3px solid rgba(238,148,87,.65);outline-offset:3px}
    @media(max-width:1024px){
      .nav-note{display:none}
      .nav-links a{padding-inline:8px}
      .intro-grid,.event-layout,.guide-wrap{grid-template-columns:1fr}
      .topic-grid{grid-template-columns:repeat(2,1fr)}
      .topic-card:first-child{grid-column:span 2}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-wrap{height:68px}
      .menu-toggle{display:block;order:3}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:70px;padding:12px;background:var(--ink-2);border:1px solid rgba(255,255,255,.1);border-radius:14px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow-dark)}
      .nav-links.is-open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-tools .btn{display:none}
      .brand-text{font-size:13px}
      .page-band{padding:42px 0 48px}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-intro{margin-top:13px}
      .event-row{grid-template-columns:1fr;gap:7px;padding:18px}
      .status{width:max-content}
      .topic-grid{grid-template-columns:1fr}
      .topic-card:first-child{grid-column:auto}
      .info-grid{grid-template-columns:1fr;gap:20px}
      .cta-box{display:block;padding:30px 25px}
      .cta-box .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:first-child{grid-column:span 2}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }
    @media(max-width:520px){
      .brand-mark{width:32px;height:32px}
      .brand-text{white-space:normal;line-height:1.2}
      .breadcrumb{font-size:12px}
      .page-band h1{font-size:35px}
      .intro-card,.scope-panel{padding:25px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }

/* roulang page: category3 */
:root{
      --ink:#18111f;
      --ink-2:#251b2f;
      --ink-3:#372943;
      --paper:#fffdfa;
      --mist:#f6f1f6;
      --sand:#f1e9e3;
      --line:#e5dce4;
      --muted:#776d7b;
      --soft:#a99eaa;
      --amber:#ee9457;
      --amber-deep:#cf6f38;
      --cream:#ffd9ad;
      --violet:#71607d;
      --white:#fff;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 48px rgba(37,27,47,.10);
      --shadow-dark:0 24px 60px rgba(0,0,0,.24);
      --container:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
    .section{padding:88px 0;position:relative}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:36px}
    .section-head h2{margin:10px 0 0;font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.04em}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--amber-deep);font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:26px;height:2px;background:currentColor}
    .section-intro{margin:0;color:var(--muted);max-width:650px}
    .btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 20px;border-radius:10px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
    .btn-primary{background:var(--amber);color:#30180e;box-shadow:0 9px 22px rgba(238,148,87,.22)}
    .btn-primary:hover{background:#f7aa70;transform:translateY(-2px);box-shadow:0 13px 26px rgba(238,148,87,.3)}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
    .btn-ghost{border-color:rgba(255,255,255,.32);color:var(--white);background:rgba(255,255,255,.04)}
    .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
    .btn-text{padding:0;min-height:auto;color:var(--amber-deep);font-weight:800}
    .btn-text:hover{color:var(--ink);gap:13px}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#f7e5d8;color:#9d5128;font-size:12px;font-weight:800;line-height:1.4}
    .tag-dark{background:rgba(255,217,173,.12);color:var(--cream);border:1px solid rgba(255,217,173,.18)}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(24,17,31,.93);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:11px;min-width:0;color:var(--white)}
    .brand-mark{width:35px;height:35px;border-radius:11px;display:grid;place-items:center;background:var(--amber);color:var(--ink);font-size:17px;font-weight:900;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
    .brand-text{font-size:15px;font-weight:900;white-space:nowrap;letter-spacing:-.04em}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:9px 11px;color:#c8bfca;font-size:14px;font-weight:700;border-radius:8px;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{color:var(--white);background:rgba(255,255,255,.09)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--amber)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .nav-note{font-size:13px;color:#c8bfca}
    .menu-toggle{display:none;color:var(--white);background:none;border:0;font-size:24px;padding:7px}
    .page-band{background:var(--ink);color:var(--white);padding:68px 0 62px;position:relative;overflow:hidden}
    .page-band:before{content:"";position:absolute;width:540px;height:540px;right:-150px;top:-260px;border:1px solid rgba(255,217,173,.18);border-radius:50%;box-shadow:0 0 0 42px rgba(238,148,87,.05),0 0 0 90px rgba(238,148,87,.035)}
    .page-band:after{content:"♟";position:absolute;right:13%;bottom:-28px;font-size:190px;line-height:1;color:rgba(255,217,173,.08)}
    .band-inner{position:relative;z-index:1}
    .breadcrumbs{display:flex;align-items:center;gap:10px;color:#bfb4c5;font-size:13px;margin-bottom:26px}
    .breadcrumbs a:hover{color:var(--cream)}
    .breadcrumbs span{color:#74677d}
    .page-band h1{font-size:clamp(36px,5vw,64px);line-height:1.18;letter-spacing:-.055em;max-width:780px;margin:0 0 18px}
    .page-band h1 em{font-style:normal;color:var(--cream)}
    .band-copy{max-width:700px;color:#d6cdd9;font-size:17px;margin:0}
    .band-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:26px}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
    .intro-grid h2{font-size:clamp(28px,3vw,42px);line-height:1.3;margin:12px 0 18px}
    .intro-grid p{color:var(--muted);max-width:690px}
    .intro-panel{background:var(--mist);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .panel-row{display:flex;justify-content:space-between;gap:18px;padding:16px 0;border-bottom:1px solid var(--line)}
    .panel-row:last-child{border-bottom:0}
    .panel-row strong{font-size:15px}
    .panel-row span{color:var(--muted);font-size:14px;text-align:right}
    .chess-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .chess-feature{min-height:360px;background:var(--ink-2);border-radius:var(--radius);color:var(--white);padding:38px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:end}
    .chess-feature:before{content:"";position:absolute;right:-48px;top:-62px;width:260px;height:260px;border:36px solid rgba(238,148,87,.15);border-radius:50%}
    .chess-feature:after{content:"♞  ♜  ♝";position:absolute;right:30px;bottom:22px;color:rgba(255,217,173,.18);font-size:48px;letter-spacing:8px}
    .chess-feature h3{font-size:32px;line-height:1.25;margin:14px 0 10px;position:relative;z-index:1}
    .chess-feature p{color:#d2c7d5;max-width:520px;margin:0;position:relative;z-index:1}
    .chess-list{display:grid;gap:14px}
    .chess-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px;transition:var(--ease)}
    .chess-item:hover{transform:translateX(5px);border-color:#d9b69f;box-shadow:var(--shadow)}
    .chess-item h3{font-size:19px;margin:12px 0 6px}
    .chess-item p{font-size:14px;color:var(--muted);margin:0}
    .rule-section{background:var(--mist)}
    .rule-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start}
    .rule-intro h2{font-size:clamp(28px,3vw,40px);line-height:1.28;margin:11px 0 16px}
    .rule-intro p{color:var(--muted)}
    .rule-board{background:var(--ink-2);border-radius:var(--radius);padding:28px;color:var(--white);box-shadow:var(--shadow-dark)}
    .rule-line{display:grid;grid-template-columns:58px 1fr;gap:18px;align-items:start;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.12)}
    .rule-line:last-child{border-bottom:0}
    .rule-number{width:42px;height:42px;border-radius:12px;background:rgba(238,148,87,.16);color:var(--cream);display:grid;place-items:center;font-weight:900}
    .rule-line h3{font-size:17px;margin:0 0 5px}
    .rule-line p{margin:0;color:#c9bdce;font-size:14px}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scene-card{min-height:220px;border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:var(--paper);transition:var(--ease)}
    .scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);background:#fff}
    .scene-icon{width:46px;height:46px;border-radius:14px;background:#f7e5d8;color:var(--amber-deep);display:grid;place-items:center;font-size:22px;margin-bottom:22px}
    .scene-card h3{font-size:20px;margin:0 0 9px}
    .scene-card p{font-size:14px;color:var(--muted);margin:0}
    .guide-section{background:var(--sand)}
    .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .guide-card{background:rgba(255,253,250,.75);border:1px solid rgba(229,220,228,.9);border-radius:var(--radius-sm);padding:24px}
    .guide-card b{display:block;font-size:29px;color:var(--amber-deep);line-height:1;margin-bottom:17px}
    .guide-card h3{font-size:17px;margin:0 0 8px}
    .guide-card p{font-size:14px;color:var(--muted);margin:0}
    .notice{display:flex;align-items:center;justify-content:space-between;gap:25px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius);padding:28px 32px}
    .notice strong{display:block;font-size:20px;margin-bottom:5px}
    .notice p{margin:0;color:var(--muted);font-size:14px}
    .faq-section{background:var(--paper)}
    .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%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:22px 0;background:none;border:0;color:var(--ink);font-weight:800;font-size:17px}
    .faq-question span:last-child{color:var(--amber-deep);font-size:24px;font-weight:400;transition:var(--ease)}
    .faq-answer{display:none;color:var(--muted);font-size:15px;padding:0 45px 22px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-section{padding:72px 0;background:var(--ink);color:var(--white)}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta-box h2{font-size:clamp(28px,3vw,44px);line-height:1.25;margin:10px 0 12px}
    .cta-box p{color:#cfc4d1;margin:0;max-width:620px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
    .footer{background:#120d18;color:#d9d0dc;padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr;gap:60px;padding-bottom:45px}
    .footer .brand{margin-bottom:18px}
    .footer p{color:#9f93a4;max-width:390px;margin:0;font-size:14px}
    .footer h3{font-size:15px;color:var(--white);margin:5px 0 17px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#a99eaa;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--cream);padding-left:4px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#887b8c;font-size:12px;flex-wrap:wrap}
    :focus-visible{outline:3px solid rgba(238,148,87,.55);outline-offset:3px}
    @media (max-width:1024px){
      .nav-note{display:none}
      .nav-links a{padding-inline:8px}
      .intro-grid,.rule-layout{gap:32px}
      .chess-grid{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 34px),var(--container))}
      .section{padding:68px 0}
      .nav-wrap{height:68px;position:relative}
      .menu-toggle{display:block;order:3}
      .nav-links{display:none;position:absolute;left:0;right:0;top:68px;padding:12px;background:var(--ink-2);border:1px solid rgba(255,255,255,.1);border-radius:0 0 14px 14px;flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-tools .btn{display:none}
      .brand-text{font-size:13px}
      .page-band{padding:48px 0 50px}
      .page-band h1{font-size:42px}
      .intro-grid,.rule-layout{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head .section-intro{margin-top:15px}
      .scene-grid,.guide-grid{grid-template-columns:repeat(2,1fr)}
      .notice,.cta-box{display:block}
      .notice .btn,.cta-actions{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:35px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:520px){
      .brand-mark{width:32px;height:32px;font-size:15px}
      .brand-text{max-width:190px;overflow:hidden;text-overflow:ellipsis}
      .page-band h1{font-size:35px}
      .band-copy{font-size:15px}
      .chess-feature{min-height:300px;padding:27px}
      .chess-feature h3{font-size:27px}
      .scene-grid,.guide-grid{grid-template-columns:1fr}
      .rule-board{padding:20px}
      .rule-line{grid-template-columns:46px 1fr;gap:12px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
      .btn{width:100%}
      .cta-actions{display:grid}
    }

/* roulang page: category4 */
:root{
      --ink:#18111f;
      --ink-2:#251b2f;
      --ink-3:#372943;
      --paper:#fffdfa;
      --mist:#f6f1f6;
      --sand:#f1e9e3;
      --line:#e5dce4;
      --muted:#776d7b;
      --soft:#a99eaa;
      --amber:#ee9457;
      --amber-deep:#cf6f38;
      --cream:#ffd9ad;
      --violet:#71607d;
      --white:#fff;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 48px rgba(37,27,47,.10);
      --shadow-dark:0 24px 60px rgba(0,0,0,.24);
      --container:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
    .section{padding:88px 0;position:relative}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:36px}
    .section-head h2{margin:8px 0 0;font-size:clamp(26px,3vw,40px);line-height:1.25;letter-spacing:-.04em}
    .section-intro{margin:0;color:var(--muted);max-width:650px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--amber-deep);font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:26px;height:2px;background:currentColor}
    .btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 20px;border-radius:10px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
    .btn-primary{background:var(--amber);color:#30180e;box-shadow:0 9px 22px rgba(238,148,87,.22)}
    .btn-primary:hover{background:#f7aa70;transform:translateY(-2px);box-shadow:0 13px 26px rgba(238,148,87,.3)}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
    .btn-ghost{border-color:rgba(255,255,255,.32);color:var(--white);background:rgba(255,255,255,.04)}
    .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
    .btn-text{padding:0;min-height:auto;color:var(--amber-deep);font-weight:800}
    .btn-text:hover{color:var(--ink)}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#f7e5d8;color:#9d5128;font-size:12px;font-weight:800;line-height:1.4}
    .tag-dark{background:rgba(255,217,173,.12);color:var(--cream);border:1px solid rgba(255,217,173,.18)}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(24,17,31,.93);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:11px;min-width:0;color:var(--white)}
    .brand-mark{width:35px;height:35px;border-radius:11px;display:grid;place-items:center;background:var(--amber);color:var(--ink);font-size:17px;font-weight:900;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
    .brand-text{font-size:15px;font-weight:900;white-space:nowrap;letter-spacing:-.04em}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:9px 11px;color:#c8bfca;font-size:14px;font-weight:700;border-radius:8px;transition:var(--ease)}
    .nav-links a:hover,.nav-links a.active{color:var(--white);background:rgba(255,255,255,.09)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--amber)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .nav-note{font-size:13px;color:#c8bfca}
    .menu-toggle{display:none;color:var(--white);background:none;border:0;font-size:24px;padding:7px}
    .page-band{background:var(--ink);color:var(--white);padding:66px 0 62px;position:relative;overflow:hidden}
    .page-band:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(255,217,173,.13);border-radius:50%;right:-160px;top:-290px}
    .page-band:after{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(238,148,87,.2);border-radius:50%;left:52%;bottom:-250px}
    .page-band .container{position:relative;z-index:1}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:#b9afbd;font-size:13px;margin-bottom:27px}
    .breadcrumb a:hover{color:var(--cream)}
    .breadcrumb span{color:#786c80}
    .page-band h1{font-size:clamp(34px,5vw,64px);line-height:1.18;letter-spacing:-.055em;margin:0 0 18px;max-width:850px}
    .page-band h1 em{font-style:normal;color:var(--cream)}
    .page-lead{font-size:18px;color:#d5ccd8;max-width:760px;margin:0}
    .label-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
    .intro-copy h2{font-size:clamp(27px,3.5vw,44px);line-height:1.28;margin:12px 0 18px}
    .intro-copy p{color:var(--muted);max-width:680px}
    .intro-note{border-left:3px solid var(--amber);padding:6px 0 6px 20px;color:var(--ink-3);font-weight:700}
    .device-art{min-height:300px;border-radius:24px;background:linear-gradient(140deg,#45354f,#211828);position:relative;overflow:hidden;box-shadow:var(--shadow-dark)}
    .device-art:before{content:"";position:absolute;width:330px;height:330px;border:44px solid rgba(238,148,87,.15);border-radius:50%;right:-90px;top:-100px}
    .device-art:after{content:"";position:absolute;width:200px;height:200px;border:1px solid rgba(255,255,255,.2);border-radius:50%;left:-70px;bottom:-100px}
    .phone{position:absolute;z-index:2;right:76px;top:30px;width:142px;height:252px;border:6px solid #d9c9cc;border-radius:25px;background:#faf4ef;box-shadow:0 17px 30px rgba(0,0,0,.3);padding:24px 10px 10px}
    .phone:before{content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);width:45px;height:5px;border-radius:99px;background:#49384d}
    .phone-screen{height:100%;border-radius:15px;background:linear-gradient(160deg,#f0a06a,#3a2945);position:relative;overflow:hidden}
    .phone-screen:after{content:"J9";position:absolute;color:rgba(255,255,255,.85);font-size:44px;font-weight:900;left:25px;top:77px}
    .art-caption{position:absolute;left:28px;bottom:27px;color:var(--cream);font-size:14px;font-weight:800;letter-spacing:.08em}
    .feature-strip{background:var(--mist)}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-height:210px;transition:var(--ease)}
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d8baa4}
    .feature-index{color:var(--amber-deep);font-size:13px;font-weight:900;letter-spacing:.08em}
    .feature-card h3{font-size:21px;margin:21px 0 10px}
    .feature-card p{margin:0;color:var(--muted);font-size:14px}
    .device-section{background:var(--sand)}
    .device-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}
    .device-card{background:var(--ink-2);color:var(--white);border-radius:var(--radius);padding:34px;min-height:310px;position:relative;overflow:hidden}
    .device-card:after{content:"";width:180px;height:180px;border:1px solid rgba(255,217,173,.2);border-radius:50%;position:absolute;right:-60px;bottom:-70px}
    .device-card h3{font-size:28px;margin:17px 0 10px;position:relative;z-index:1}
    .device-card p{color:#cfc4d2;max-width:390px;position:relative;z-index:1}
    .compat-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .compat-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px;display:flex;align-items:flex-start;gap:14px;transition:var(--ease)}
    .compat-item:hover{border-color:var(--amber);transform:translateY(-3px)}
    .compat-icon{width:39px;height:39px;border-radius:12px;display:grid;place-items:center;background:#f7e5d8;color:var(--amber-deep);font-weight:900;flex:none}
    .compat-item h4{margin:0 0 4px;font-size:17px}
    .compat-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .steps-section{background:var(--paper)}
    .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:28px 24px 12px 0;margin-right:24px;border-bottom:1px solid var(--line);position:relative}
    .step:not(:last-child):after{content:"→";position:absolute;right:4px;top:35px;color:var(--amber-deep);font-size:22px}
    .step-number{font-size:42px;color:#e7d2c4;font-weight:900;line-height:1}
    .step h3{font-size:19px;margin:18px 0 8px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .download-section{background:var(--ink);color:var(--white);overflow:hidden}
    .download-grid{display:grid;grid-template-columns:1fr .78fr;gap:60px;align-items:center}
    .download-section h2{font-size:clamp(30px,4vw,48px);line-height:1.25;margin:13px 0 17px}
    .download-section p{color:#d3cad7;max-width:620px}
    .download-meta{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 29px}
    .download-panel{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);border-radius:var(--radius);padding:28px}
    .access-visual{height:210px;border-radius:14px;background:#fffaf5;display:grid;place-items:center;position:relative;overflow:hidden}
    .access-code{width:122px;height:122px;border:10px solid var(--ink);background:repeating-linear-gradient(45deg,var(--ink) 0 4px,#fffaf5 4px 9px);position:relative}
    .access-code:before,.access-code:after{content:"";position:absolute;width:25px;height:25px;background:#fffaf5;border:6px solid var(--ink)}
    .access-code:before{left:-10px;top:-10px}
    .access-code:after{right:-10px;bottom:-10px}
    .access-label{position:absolute;bottom:13px;color:var(--muted);font-size:12px;font-weight:800}
    .update-section{background:var(--mist)}
    .update-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px}
    .update-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .update-card h3{margin:13px 0 10px;font-size:25px}
    .update-card p{margin:0;color:var(--muted)}
    .update-list{display:grid;gap:12px}
    .update-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 20px;background:var(--white);border:1px solid var(--line);border-radius:13px;transition:var(--ease)}
    .update-row:hover{border-color:#d6bca9;box-shadow:0 8px 22px rgba(37,27,47,.06)}
    .update-row strong{display:block;font-size:16px}
    .update-row span{font-size:13px;color:var(--muted)}
    .faq-section{background:var(--paper)}
    .faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{list-style:none;cursor:pointer;padding:22px 45px 22px 0;font-weight:800;font-size:17px;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:5px;top:17px;color:var(--amber-deep);font-size:26px;font-weight:400}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{color:var(--muted);font-size:14px;padding:0 45px 22px 0;max-width:760px}
    .cta-section{padding:72px 0;background:var(--sand)}
    .cta-box{border-radius:var(--radius);background:var(--ink-2);color:var(--white);padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-box h2{margin:0 0 8px;font-size:30px}
    .cta-box p{margin:0;color:#d1c6d3}
    .footer{background:var(--ink);color:var(--white);padding:66px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;padding-bottom:48px}
    .footer .brand{margin-bottom:18px}
    .footer p{color:#bdb1c1;max-width:350px;font-size:14px}
    .footer h3{font-size:16px;margin:5px 0 18px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#bdb1c1;font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--cream);padding-left:4px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#95899c;font-size:12px}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--cream);outline-offset:3px}
    @media (max-width:1024px){
      .nav-note{display:none}
      .hero-grid,.intro-grid,.download-grid,.update-layout{grid-template-columns:1fr}
      .hero-visual{min-height:350px;max-width:650px;width:100%;margin:0 auto}
      .intro-grid{gap:30px}
      .feature-grid{grid-template-columns:repeat(2,1fr)}
      .feature-card:last-child{grid-column:span 2}
      .steps-grid{grid-template-columns:repeat(2,1fr);gap:0 20px}
      .step{margin-right:0;padding-right:36px}
      .step:nth-child(2):after{display:none}
      .download-panel{max-width:520px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:68px 0}
      .nav-wrap{height:68px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;padding:10px;background:var(--ink-2);border:1px solid rgba(255,255,255,.12);border-radius:14px;box-shadow:var(--shadow-dark);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 14px}
      .nav-tools .btn{display:none}
      .brand-text{font-size:13px}
      .page-band{padding:48px 0}
      .page-band h1{font-size:39px}
      .page-lead{font-size:16px}
      .section-head{display:block;margin-bottom:27px}
      .section-intro{margin-top:12px}
      .feature-grid,.compat-list{grid-template-columns:1fr}
      .feature-card:last-child{grid-column:auto}
      .device-grid{grid-template-columns:1fr}
      .steps-grid{grid-template-columns:1fr}
      .step{border-bottom:1px solid var(--line);padding:24px 0}
      .step:not(:last-child):after{content:"↓";right:8px;top:32px}
      .step:nth-child(2):after{display:block}
      .cta-box{display:block;padding:31px 26px}
      .cta-box .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
      .footer-grid>div:first-child{grid-column:span 2}
    }
    @media (max-width:520px){
      .hero-visual{min-height:275px}
      .stage{inset:18px 0 0 0}
      .phone{right:35px;transform:scale(.82);transform-origin:top right}
      .art-caption{left:20px;bottom:20px}
      .intro-copy h2{font-size:30px}
      .device-card{min-height:260px;padding:25px}
      .download-section h2{font-size:32px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }