/* roulang page: index */
:root{
  --ink:#202322;
  --muted:#68716d;
  --soft:#8b948f;
  --paper:#fbfaf6;
  --cream:#f1eee7;
  --line:#dddcd4;
  --orange:#e65732;
  --orange-dark:#b94327;
  --olive:#76816b;
  --teal:#5e7771;
  --charcoal:#202522;
  --white:#fffefa;
  --radius:16px;
  --radius-sm:11px;
  --shadow:0 14px 36px rgba(35,38,31,.08);
  --shadow-hover:0 20px 46px rgba(35,38,31,.14);
  --max:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{height:78px;background:rgba(251,250,246,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(8px)}
.header-inner{height:100%;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:10px;min-width:235px;font-weight:800;letter-spacing:-.04em;font-size:18px;line-height:1.15}
.logo-mark{width:29px;height:29px;border-radius:9px 9px 9px 3px;background:var(--orange);position:relative;display:inline-block;transform:rotate(-8deg)}
.logo-mark:after{content:"";position:absolute;width:10px;height:10px;border:2px solid var(--white);border-radius:50%;left:8px;top:7px}
.logo small{display:block;font-size:10px;letter-spacing:.1em;color:var(--soft);font-weight:600;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
.main-nav a{font-size:14px;color:#4f5854;padding:27px 0 24px;border-bottom:2px solid transparent;transition:.2s}
.main-nav a:hover,.main-nav a.active{color:var(--orange-dark);border-color:var(--orange)}
.header-action{margin-left:12px;background:var(--orange);color:var(--white);padding:10px 17px;border-radius:9px;font-weight:700;font-size:13px;transition:.2s}
.header-action:hover{background:var(--orange-dark);transform:translateY(-2px)}
.menu-toggle{display:none;border:0;background:transparent;font-size:25px;color:var(--ink)}
main{overflow:hidden}
.hero{background:var(--charcoal);color:var(--white);padding:92px 0 86px;position:relative}
.hero:after{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(230,87,50,.3);border-radius:50%;right:7%;top:-150px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:76px;align-items:center;position:relative;z-index:1}
.eyebrow{color:#f0a58f;text-transform:uppercase;letter-spacing:.15em;font-size:11px;font-weight:800;margin-bottom:17px}
.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.065em;max-width:680px}
.hero h1 em{font-style:normal;color:#f27450}
.hero p{color:#c6ccc6;max-width:570px;font-size:17px;margin:24px 0 31px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:11px 20px;border-radius:9px;font-weight:750;font-size:14px;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#f06d48;transform:translateY(-2px)}
.btn-light{color:var(--white);border-color:#656c67}
.btn-light:hover{background:#fff;color:var(--charcoal)}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
.hero-panel{background:#303733;border:1px solid #46514b;border-radius:24px;padding:22px;box-shadow:0 25px 60px rgba(0,0,0,.22);transform:rotate(2deg)}
.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #4b554f;padding-bottom:17px;color:#dce2dc;font-size:12px}
.live-dot{display:inline-flex;align-items:center;gap:7px;color:#eea18e}
.live-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
.screen-main{padding:28px 5px 22px}
.screen-main span{color:#aab6aa;font-size:12px}
.screen-main h2{font-size:29px;line-height:1.25;margin:8px 0 23px;color:#fff}
.screen-lines{display:grid;gap:10px}
.screen-line{height:12px;border-radius:8px;background:#4b5650}
.screen-line.short{width:58%;background:#bf694e}
.screen-cards{display:grid;grid-template-columns:1.35fr 1fr;gap:10px}
.screen-card{height:100px;border-radius:13px;background:#46534c;padding:13px;color:#dbe0da;font-size:12px}
.screen-card.accent{background:#a64a34}
.section{padding:92px 0}
.section.alt{background:var(--cream)}
.section.dark{background:var(--charcoal);color:#fff}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:35px}
.section-head h2{font-size:clamp(27px,3.2vw,43px);letter-spacing:-.055em;line-height:1.2}
.section-head p{color:var(--muted);max-width:490px}
.dark .section-head p{color:#b9c0b9}
.kicker{font-size:12px;color:var(--orange-dark);font-weight:800;letter-spacing:.1em;margin-bottom:9px}
.info-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.info-unit{padding:25px 24px;border-right:1px solid var(--line)}
.info-unit:last-child{border-right:0}
.info-unit strong{display:block;font-size:27px;line-height:1.2;letter-spacing:-.04em}
.info-unit span{font-size:13px;color:var(--muted);display:block;margin-top:6px}
.info-unit b{color:var(--orange);font-size:11px}
.guide-layout{display:grid;grid-template-columns:220px 1fr;gap:40px}
.side-index{border-left:2px solid var(--orange);padding-left:18px;height:max-content;position:sticky;top:110px}
.side-index span{display:block;color:var(--soft);font-size:12px;margin-bottom:12px}
.side-index strong{font-size:18px;line-height:1.35}
.guide-items{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.guide-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;transition:.25s}
.guide-card:hover,.topic-card:hover,.news-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.guide-card:nth-child(1){background:var(--charcoal);color:#fff}
.guide-card:nth-child(1) p{color:#c4ccc5}
.guide-no{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.1em}
.guide-card h3{font-size:22px;margin:22px 0 8px}
.guide-card p,.topic-card p{color:var(--muted);font-size:14px}
.guide-card a{display:inline-block;margin-top:19px;color:var(--orange-dark);font-size:13px;font-weight:750}
.guide-card:nth-child(1) a{color:#f5a48c}
.topic-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:15px}
.topic-card{border:1px solid var(--line);border-radius:var(--radius);padding:29px;background:#fff;min-height:175px;transition:.25s;position:relative;overflow:hidden}
.topic-card.large{grid-row:span 2;min-height:365px;background:linear-gradient(145deg,#ece6dc,#fff)}
.topic-card.large:after{content:"◎";position:absolute;right:35px;bottom:-28px;font-size:200px;color:#e2d5c7;line-height:1}
.topic-card h3{font-size:24px;max-width:310px;position:relative;z-index:1}
.topic-card p{max-width:330px;margin-top:12px;position:relative;z-index:1}
.topic-meta{font-size:11px;color:var(--olive);font-weight:800;letter-spacing:.08em;position:relative;z-index:1}
.download-panel{background:#252b28;border-radius:22px;padding:42px;display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center}
.download-panel h2{font-size:clamp(28px,3.5vw,46px);line-height:1.18;letter-spacing:-.05em}
.download-panel p{color:#bdc6bf;margin:17px 0 23px}
.phone-stage{height:310px;background:#3c4740;border-radius:18px;display:flex;justify-content:center;align-items:center;position:relative}
.phone{width:150px;height:275px;background:#141815;border:7px solid #66716a;border-radius:25px;box-shadow:0 15px 28px rgba(0,0,0,.3);padding:14px 10px;transform:rotate(-7deg)}
.phone-screen{height:100%;border-radius:14px;background:#eee9de;padding:18px 10px}
.phone-screen i{display:block;width:36px;height:5px;background:var(--orange);border-radius:4px;margin-bottom:18px}
.phone-screen b{font-size:13px;line-height:1.3;display:block}
.phone-screen div{height:49px;border-radius:8px;background:#d1d6cd;margin-top:12px}
.phone-screen div:last-child{background:#db795d}
.download-details{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:24px}
.detail{border:1px solid #4c5750;border-radius:10px;padding:12px;color:#d5dcd4;font-size:12px}
.detail strong{display:block;color:#fff;font-size:14px;margin-bottom:3px}
.news-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px}
.feature-news{background:var(--charcoal);color:#fff;border-radius:18px;padding:30px;min-height:260px;display:flex;flex-direction:column;justify-content:end}
.feature-news h3{font-size:27px;line-height:1.35;margin:12px 0}
.feature-news p{color:#c1c9c2;font-size:14px}
.news-list{display:grid;gap:0}
.news-row{display:grid;grid-template-columns:86px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-row time{font-size:12px;color:var(--soft)}
.news-row h3{font-size:16px;margin-bottom:3px}
.news-row p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:100px;background:#e8eee7;color:#5d7060;font-size:11px;font-weight:750}
.news-row .badge{align-self:start}
.empty-state{padding:26px;border:1px dashed var(--line);border-radius:12px;color:var(--muted);background:#fff}
.timeline{position:relative;max-width:860px;margin:auto}
.timeline:before{content:"";position:absolute;left:92px;top:5px;bottom:5px;width:1px;background:#555f58}
.timeline-item{display:grid;grid-template-columns:75px 35px 1fr;gap:16px;padding-bottom:27px;position:relative}
.timeline-item time{font-size:12px;color:#aeb8b0;padding-top:3px;text-align:right}
.timeline-dot{width:11px;height:11px;border-radius:50%;background:var(--orange);margin:5px auto;box-shadow:0 0 0 5px rgba(230,87,50,.15);z-index:1}
.timeline-content h3{font-size:17px;margin-bottom:4px}
.timeline-content p{color:#bbc3bc;font-size:13px}
.event-bar{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--orange);border-radius:12px;padding:17px 21px;margin-bottom:11px}
.event-date{font-weight:800;color:var(--orange-dark);font-size:13px;min-width:90px}
.event-bar strong{font-size:16px}
.event-bar span{font-size:13px;color:var(--muted);margin-left:auto}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step{padding:25px 22px;border-right:1px solid var(--line)}
.step:last-child{border:0}
.step-num{font-size:32px;color:var(--orange);font-weight:800;letter-spacing:-.08em}
.step h3{font-size:17px;margin:8px 0 5px}
.step p{font-size:13px;color:var(--muted)}
.safety-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
.safety-intro{background:#e7ebe4;border-radius:18px;padding:32px}
.safety-intro h2{font-size:30px;line-height:1.25;margin-bottom:13px}
.safety-intro p{color:#5e6862}
.safety-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.safety-item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px}
.safety-item b{display:block;font-size:16px;margin-bottom:5px}
.safety-item span{font-size:13px;color:var(--muted)}
.notice{background:var(--orange);color:#fff;padding:17px 22px;border-radius:11px;display:flex;align-items:center;gap:18px}
.notice .badge{background:rgba(255,255,255,.2);color:#fff}
.notice a{margin-left:auto;font-weight:750;font-size:13px}
.faq{max-width:880px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;border:0;background:transparent;text-align:left;padding:20px 4px;font-weight:750;font-size:16px;display:flex;justify-content:space-between;gap:20px;color:var(--ink)}
.faq-q:after{content:"＋";font-size:22px;color:var(--orange);font-weight:400}
.faq-item.open .faq-q:after{content:"－"}
.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 45px 20px 4px}
.faq-item.open .faq-a{display:block}
.cta-band{background:var(--orange);color:#fff;padding:37px 42px;border-radius:18px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-band h2{font-size:28px;line-height:1.25}
.cta-band p{color:#ffe2d7;margin-top:5px}
.cta-band .btn{background:#fff;color:var(--orange-dark)}
.cta-band .btn:hover{background:#fff2ec}
.supplement{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.supplement h2{font-size:25px;margin-bottom:10px}
.supplement p{color:var(--muted)}
.index-links{display:flex;flex-wrap:wrap;gap:9px}
.index-links a{border:1px solid var(--line);border-radius:8px;padding:9px 13px;font-size:13px;background:#fff;transition:.2s}
.index-links a:hover{border-color:var(--orange);color:var(--orange-dark)}
.site-footer{background:var(--charcoal);color:#fff;border-top:4px solid var(--orange);padding:55px 0 23px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{font-size:19px;font-weight:800;line-height:1.25}
.footer-brand p{font-size:13px;font-weight:400;color:#aeb8b0;max-width:250px;margin-top:14px}
.footer-col h3{font-size:13px;color:#f3a18b;margin-bottom:14px}
.footer-col a,.footer-col span{display:block;color:#b7c0b8;font-size:13px;margin:8px 0;transition:.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid #414943;margin-top:42px;padding-top:17px;display:flex;justify-content:space-between;color:#89938b;font-size:12px;gap:15px}
:focus-visible{outline:3px solid rgba(230,87,50,.45);outline-offset:3px}
@media(max-width:1024px){
  .main-nav{gap:14px}.logo{min-width:210px}.header-action{display:none}
  .hero-grid{gap:40px}.download-panel{gap:30px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,var(--max))}
  .site-header{height:68px}.header-inner{justify-content:space-between}.logo{min-width:0;font-size:16px}
  .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
  .main-nav.open{display:flex}.main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .menu-toggle{display:block}.hero{padding:65px 0 58px}.hero-grid,.news-layout,.safety-grid,.supplement{grid-template-columns:1fr}
  .hero-panel{max-width:520px;margin:0 auto}.hero h1{font-size:43px}
  .section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:13px}
  .info-strip{grid-template-columns:repeat(2,1fr)}.info-unit:nth-child(2){border-right:0}.info-unit:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .guide-layout{grid-template-columns:1fr;gap:22px}.side-index{position:static}.guide-items,.topic-grid{grid-template-columns:1fr}
  .topic-card.large{grid-row:auto;min-height:260px}.download-panel{grid-template-columns:1fr;padding:27px}.phone-stage{order:-1;height:270px}
  .steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .timeline:before{left:67px}.timeline-item{grid-template-columns:54px 27px 1fr;gap:9px}
  .event-bar{align-items:flex-start;flex-wrap:wrap;gap:8px}.event-bar span{margin-left:0;width:100%}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}
@media(max-width:520px){
  .logo{max-width:230px}.logo small{display:none}.hero h1{font-size:36px}.hero p{font-size:15px}
  .actions,.actions .btn{width:100%}.actions .btn{display:flex}.info-unit{padding:18px 14px}.info-unit strong{font-size:22px}
  .guide-card,.topic-card{padding:21px}.download-details,.safety-list{grid-template-columns:1fr}
  .news-row{grid-template-columns:1fr auto;gap:7px}.news-row time{grid-column:1}.news-row p{grid-column:1 / -1}
  .news-row .badge{grid-column:2;grid-row:1}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)}
  .cta-band{display:block;padding:27px 23px}.cta-band .btn{margin-top:20px;width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1 / -1}
}

/* roulang page: article */
:root{
      --ink:#202322;
      --muted:#68716d;
      --soft:#8b948f;
      --paper:#fbfaf6;
      --cream:#f1eee7;
      --line:#dddcd4;
      --orange:#e65732;
      --orange-dark:#b94327;
      --olive:#76816b;
      --teal:#5e7771;
      --charcoal:#202522;
      --white:#fffefa;
      --radius:16px;
      --radius-sm:11px;
      --shadow:0 14px 36px rgba(35,38,31,.08);
      --shadow-hover:0 20px 46px rgba(35,38,31,.14);
      --max:1220px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(230,87,50,.35);outline-offset:4px}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;background:rgba(251,250,246,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(8px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:10px;min-width:235px;font-weight:800;letter-spacing:-.04em;font-size:18px;line-height:1.15}
    .logo-mark{width:29px;height:29px;border-radius:9px 9px 9px 3px;background:var(--orange);position:relative;display:inline-block;transform:rotate(-8deg)}
    .logo-mark:after{content:"";position:absolute;width:10px;height:10px;border:2px solid var(--white);border-radius:50%;left:8px;top:7px}
    .logo small{display:block;font-size:10px;letter-spacing:.1em;color:var(--soft);font-weight:600;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
    .main-nav a{font-size:14px;color:#4f5854;padding:27px 0 24px;border-bottom:2px solid transparent;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--orange-dark);border-color:var(--orange)}
    .header-action{margin-left:12px;background:var(--orange);color:var(--white);padding:10px 17px;border-radius:9px;font-weight:700;font-size:13px;transition:.2s}
    .header-action:hover{background:var(--orange-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:0;background:transparent;font-size:25px;color:var(--ink)}
    main{overflow:hidden}
    .article-head{background:var(--charcoal);color:var(--white);padding:68px 0 74px;position:relative}
    .article-head:after{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(230,87,50,.28);border-radius:50%;right:8%;top:-155px}
    .breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;color:#aeb8b0;font-size:13px;margin-bottom:30px}
    .breadcrumb a:hover{color:#f0a58f}
    .breadcrumb .separator{color:#69736c}
    .article-head-inner{position:relative;z-index:1;max-width:880px}
    .eyebrow{color:#f0a58f;letter-spacing:.13em;font-size:11px;font-weight:800;margin-bottom:16px}
    .article-head h1{font-size:clamp(34px,5vw, sixtypx);font-size:clamp(34px,5vw,60px);line-height:1.2;letter-spacing:-.06em;margin:0 0 22px;max-width:880px}
    .article-summary{color:#c6ccc6;max-width:760px;font-size:17px;margin:0 0 26px}
    .article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;color:#aeb8b0;font-size:13px}
    .meta-item strong{color:#fff;font-weight:700;margin-right:5px}
    .article-layout{display:grid;grid-template-columns:minmax(0,780px) 290px;gap:62px;align-items:start;padding:76px 0 92px}
    .article-body{min-width:0}
    .article-content{font-size:16px;line-height:1.95;color:#3e4742}
    .article-content h2{font-size:30px;line-height:1.35;color:var(--ink);letter-spacing:-.04em;margin:42px 0 16px}
    .article-content h3{font-size:21px;line-height:1.45;color:var(--ink);margin:30px 0 11px}
    .article-content p{margin:0 0 21px}
    .article-content ul,.article-content ol{padding-left:24px;margin:12px 0 24px}
    .article-content li{margin:7px 0}
    .article-content blockquote{border-left:4px solid var(--orange);background:var(--cream);padding:19px 23px;margin:28px 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#4d5952}
    .article-content img{border-radius:var(--radius);margin:28px 0}
    .article-content table{width:100%;border-collapse:collapse;margin:28px 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .article-content th,.article-content td{padding:12px 15px;border-bottom:1px solid var(--line);text-align:left}
    .article-content th{background:var(--cream);font-weight:750;color:var(--ink)}
    .article-content code{background:var(--cream);padding:2px 7px;border-radius:5px;color:var(--orange-dark)}
    .not-found{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px;text-align:center}
    .not-found h2{margin:0 0 9px;font-size:28px}
    .not-found p{color:var(--muted);margin:0 0 22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:11px 20px;border-radius:9px;font-weight:750;font-size:14px;border:1px solid transparent;transition:.2s}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#f06d48;color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
    .side-stack{position:sticky;top:104px;display:grid;gap:16px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
    .side-card.dark{background:var(--charcoal);color:#fff;border-color:var(--charcoal)}
    .side-card h2,.side-card h3{font-size:17px;margin:0 0 15px;letter-spacing:-.02em}
    .side-card p{font-size:13px;color:var(--muted);margin:0}
    .side-card.dark p{color:#c5cec7}
    .side-list{display:grid;gap:11px;margin:0;padding:0;list-style:none}
    .side-list li{border-bottom:1px solid var(--line);padding-bottom:10px}
    .side-list li:last-child{border-bottom:0;padding-bottom:0}
    .side-list a{font-size:14px;color:#4c5751;transition:.2s}
    .side-list a:hover{color:var(--orange-dark)}
    .tag-row{display:flex;flex-wrap:wrap;gap:7px}
    .badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:30px;background:#e8eee8;color:#587064;font-size:11px;font-weight:750}
    .tip-section{padding:0 0 88px}
    .tip-panel{display:flex;justify-content:space-between;align-items:center;gap:25px;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:27px 30px}
    .tip-panel h2{font-size:23px;margin:0 0 5px}
    .tip-panel p{margin:0;color:var(--muted);font-size:14px}
    .related-section{background:var(--cream);padding:78px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}
    .section-head h2{font-size:clamp(27px,3.2vw,43px);letter-spacing:-.055em;line-height:1.2;margin:0}
    .section-head p{color:var(--muted);max-width:490px;margin:0}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:160px;transition:.25s}
    .related-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .related-card h3{font-size:19px;line-height:1.45;margin:16px 0 8px}
    .related-card p{font-size:13px;color:var(--muted);margin:0}
    .back-section{padding:58px 0}
    .back-bar{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .back-bar h2{font-size:25px;margin:0}
    .back-links{display:flex;gap:10px;flex-wrap:wrap}
    .site-footer{background:var(--charcoal);color:#fff;border-top:4px solid var(--orange);padding:56px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:35px;padding-bottom:44px}
    .footer-brand{font-size:20px;font-weight:800;line-height:1.25}
    .footer-brand small{display:block;color:#f0a58f;font-size:11px;letter-spacing:.13em;margin-top:7px}
    .footer-brand p{font-size:13px;color:#aeb8b0;font-weight:400;margin:18px 0 0}
    .footer-col{display:grid;align-content:start;gap:8px}
    .footer-col h3{font-size:14px;margin:0 0 10px;color:#fff}
    .footer-col a,.footer-col span{font-size:13px;color:#aeb8b0;transition:.2s}
    .footer-col a:hover{color:#f0a58f}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;border-top:1px solid #485149;padding-top:18px;color:#8f9a92;font-size:11px;flex-wrap:wrap}
    @media(max-width:1024px){
      .main-nav{gap:16px}
      .header-inner{gap:18px}
      .logo{min-width:210px}
      .article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 34px))}
      .site-header{height:70px}
      .header-inner{justify-content:space-between}
      .menu-toggle{display:block}
      .main-nav{display:none;position:absolute;left:17px;right:17px;top:69px;background:var(--paper);border:1px solid var(--line);border-radius:0 0 14px 14px;padding:10px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 4px;border-bottom:1px solid var(--line)}
      .main-nav a:last-child{border-bottom:0}
      .header-action{display:none}
      .logo{min-width:0;font-size:16px}
      .logo small{font-size:9px}
      .article-head{padding:48px 0 53px}
      .article-head h1{font-size:36px}
      .article-summary{font-size:15px}
      .article-layout{display:block;padding:52px 0 55px}
      .article-content{font-size:15px}
      .side-stack{position:static;margin-top:42px}
      .tip-section{padding-bottom:55px}
      .tip-panel{display:block;padding:23px}
      .tip-panel .btn{margin-top:18px}
      .related-section{padding:55px 0}
      .related-grid{grid-template-columns:1fr}
      .back-section{padding:42px 0}
      .back-bar{display:block}
      .back-links{margin-top:18px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
    }
    @media(max-width:520px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .article-head h1{font-size:31px}
      .breadcrumb{font-size:12px}
      .article-meta{display:grid;gap:5px}
      .article-content h2{font-size:25px}
      .article-content h3{font-size:19px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid;gap:8px}
      .btn{width:100%}
      .back-links .btn{width:auto;flex:1}
    }

/* roulang page: category1 */
:root{
      --ink:#202322;
      --muted:#68716d;
      --soft:#8b948f;
      --paper:#fbfaf6;
      --cream:#f1eee7;
      --line:#dddcd4;
      --orange:#e65732;
      --orange-dark:#b94327;
      --olive:#76816b;
      --teal:#5e7771;
      --charcoal:#202522;
      --white:#fffefa;
      --radius:16px;
      --radius-sm:11px;
      --shadow:0 14px 36px rgba(35,38,31,.08);
      --shadow-hover:0 20px 46px rgba(35,38,31,.14);
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.7;
      font-size:15px;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:78px;
      background:rgba(251,250,246,.96);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:blur(8px);
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:30px}
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:235px;
      font-weight:800;
      letter-spacing:-.04em;
      font-size:18px;
      line-height:1.15;
    }
    .logo-mark{
      width:29px;
      height:29px;
      border-radius:9px 9px 9px 3px;
      background:var(--orange);
      position:relative;
      display:inline-block;
      transform:rotate(-8deg);
      flex:0 0 auto;
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      width:10px;
      height:10px;
      border:2px solid var(--white);
      border-radius:50%;
      left:8px;
      top:7px;
    }
    .logo small{
      display:block;
      font-size:10px;
      letter-spacing:.1em;
      color:var(--soft);
      font-weight:600;
      margin-top:3px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:24px;
      margin-left:auto;
    }
    .main-nav a{
      font-size:14px;
      color:#4f5854;
      padding:27px 0 24px;
      border-bottom:2px solid transparent;
      transition:.2s;
      white-space:nowrap;
    }
    .main-nav a:hover,.main-nav a.active{
      color:var(--orange-dark);
      border-color:var(--orange);
    }
    .header-action{
      margin-left:12px;
      background:var(--orange);
      color:var(--white);
      padding:10px 17px;
      border-radius:9px;
      font-weight:700;
      font-size:13px;
      transition:.2s;
      white-space:nowrap;
    }
    .header-action:hover{background:var(--orange-dark);transform:translateY(-2px)}
    .menu-toggle{
      display:none;
      border:0;
      background:transparent;
      font-size:25px;
      color:var(--ink);
    }
    main{overflow:hidden}
    .page-intro{
      background:var(--charcoal);
      color:var(--white);
      padding:78px 0 70px;
      position:relative;
    }
    .page-intro:after{
      content:"";
      position:absolute;
      width:340px;
      height:340px;
      border:1px solid rgba(230,87,50,.32);
      border-radius:50%;
      right:7%;
      top:-145px;
    }
    .intro-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:70px;
      align-items:end;
      position:relative;
      z-index:1;
    }
    .eyebrow{
      color:#f0a58f;
      text-transform:uppercase;
      letter-spacing:.15em;
      font-size:11px;
      font-weight:800;
      margin-bottom:16px;
    }
    .page-intro h1{
      font-size:clamp(38px,5vw,64px);
      line-height:1.12;
      letter-spacing:-.065em;
      max-width:700px;
      margin:0;
    }
    .page-intro h1 em{font-style:normal;color:#f27450}
    .intro-copy{
      color:#c6ccc6;
      max-width:650px;
      font-size:17px;
      margin:23px 0 0;
    }
    .intro-note{
      border-left:2px solid var(--orange);
      padding:8px 0 8px 22px;
      color:#d7ddd5;
      font-size:14px;
      max-width:350px;
    }
    .section{padding:86px 0}
    .section.alt{background:var(--cream)}
    .section.dark{background:var(--charcoal);color:#fff}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:25px;
      margin-bottom:34px;
    }
    .section-head h2{
      font-size:clamp(27px,3.2vw,43px);
      letter-spacing:-.055em;
      line-height:1.2;
      margin:0;
    }
    .section-head p{color:var(--muted);max-width:500px;margin:0}
    .dark .section-head p{color:#b9c0b9}
    .summary-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .summary-item{
      padding:25px 24px;
      border-right:1px solid var(--line);
    }
    .summary-item:last-child{border-right:0}
    .summary-number{
      display:block;
      font-size:28px;
      font-weight:800;
      letter-spacing:-.05em;
      color:var(--orange-dark);
      line-height:1.1;
      margin-bottom:8px;
    }
    .summary-item strong{display:block;font-size:15px;margin-bottom:4px}
    .summary-item span{font-size:13px;color:var(--muted)}
    .index-layout{
      display:grid;
      grid-template-columns:250px 1fr;
      gap:42px;
    }
    .index-nav{
      border-left:2px solid var(--orange);
      align-self:start;
      padding-left:20px;
      position:sticky;
      top:104px;
    }
    .index-nav span{
      display:block;
      color:var(--soft);
      font-size:11px;
      letter-spacing:.12em;
      font-weight:800;
      margin-bottom:12px;
    }
    .index-nav a{
      display:block;
      padding:8px 0;
      color:var(--muted);
      transition:.2s;
    }
    .index-nav a:hover,.index-nav a.current{color:var(--orange-dark);padding-left:5px}
    .game-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .game-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:25px;
      min-height:210px;
      transition:.25s;
      position:relative;
      overflow:hidden;
    }
    .game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .game-card.featured{background:var(--charcoal);color:#fff}
    .game-card.featured p{color:#c5cdc5}
    .game-card:after{
      content:"";
      position:absolute;
      width:110px;
      height:110px;
      right:-38px;
      bottom:-42px;
      border:1px solid rgba(230,87,50,.3);
      border-radius:50%;
    }
    .card-index{
      color:var(--orange);
      font-size:12px;
      font-weight:800;
      letter-spacing:.12em;
    }
    .game-card h3{font-size:23px;margin:18px 0 8px;letter-spacing:-.04em}
    .game-card p{font-size:14px;color:var(--muted);max-width:370px;margin:0}
    .tag-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}
    .badge{
      display:inline-flex;
      align-items:center;
      padding:4px 9px;
      border:1px solid var(--line);
      border-radius:999px;
      font-size:11px;
      line-height:1.3;
      color:var(--olive);
      background:rgba(255,255,255,.55);
    }
    .featured .badge{border-color:#59635d;color:#d1d8d0;background:#303733}
    .listing{
      display:grid;
      grid-template-columns:1fr 300px;
      gap:28px;
      align-items:start;
    }
    .content-list{display:grid;gap:12px}
    .content-row{
      display:grid;
      grid-template-columns:80px 1fr 120px;
      gap:20px;
      align-items:center;
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      padding:20px 22px;
      transition:.22s;
    }
    .content-row:hover{transform:translateX(4px);box-shadow:var(--shadow)}
    .content-row time{font-size:12px;color:var(--soft)}
    .content-row h3{font-size:17px;margin:0 0 4px;letter-spacing:-.02em}
    .content-row p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .row-link{font-size:13px;color:var(--orange-dark);font-weight:750;text-align:right}
    .side-card{
      background:#e9e4da;
      border-radius:var(--radius);
      padding:25px;
      position:sticky;
      top:105px;
    }
    .side-card .mini-label{color:var(--olive);font-size:11px;font-weight:800;letter-spacing:.12em}
    .side-card h3{font-size:23px;line-height:1.3;margin:16px 0 10px}
    .side-card p{color:var(--muted);font-size:14px;margin:0 0 20px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      padding:10px 19px;
      border-radius:9px;
      font-weight:750;
      font-size:14px;
      border:1px solid transparent;
      transition:.2s;
    }
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#f06d48;color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
    .btn-light{color:var(--white);border-color:#656c67}
    .btn-light:hover{background:#fff;color:var(--charcoal)}
    .more-link{margin-top:24px;text-align:right}
    .more-link a{color:var(--orange-dark);font-weight:750;font-size:14px}
    .feature-layout{
      display:grid;
      grid-template-columns:1fr 1.08fr;
      gap:50px;
      align-items:center;
    }
    .diagram{
      min-height:330px;
      background:#dcd8cc;
      border-radius:22px;
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .diagram:before,.diagram:after{
      content:"";
      position:absolute;
      border:1px solid rgba(94,119,113,.45);
      border-radius:50%;
    }
    .diagram:before{width:270px;height:270px;right:-54px;top:-80px}
    .diagram:after{width:150px;height:150px;left:-40px;bottom:-62px}
    .diagram-panel{
      background:#fffefa;
      border:1px solid #d3d0c6;
      border-radius:15px;
      padding:20px;
      position:relative;
      z-index:1;
      max-width:410px;
      margin:30px auto 0;
      box-shadow:0 12px 25px rgba(35,38,31,.08);
    }
    .diagram-top{display:flex;justify-content:space-between;align-items:center;color:var(--soft);font-size:12px}
    .diagram-title{font-size:24px;font-weight:800;margin:25px 0 18px}
    .diagram-lines{display:grid;gap:10px}
    .diagram-line{height:12px;background:#e8e4db;border-radius:20px}
    .diagram-line:nth-child(2){width:72%;background:#d5dfd7}
    .diagram-line:nth-child(3){width:54%;background:#f2b09c}
    .feature-copy h2{font-size:36px;line-height:1.2;letter-spacing:-.05em;margin:0 0 18px}
    .feature-copy p{color:var(--muted);margin:0 0 22px}
    .step-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step{
      padding:0 22px 0 0;
      border-top:2px solid var(--orange);
      margin-right:16px;
      position:relative;
    }
    .step:last-child{margin-right:0}
    .step b{
      display:block;
      font-size:30px;
      color:var(--orange);
      line-height:1;
      margin:18px 0 12px;
    }
    .step h3{font-size:17px;margin:0 0 6px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .article-list{display:grid;grid-template-columns:1fr 1fr;gap:0 38px}
    .article-item{
      padding:17px 0;
      border-bottom:1px solid rgba(255,255,255,.16);
      display:grid;
      grid-template-columns:80px 1fr;
      gap:15px;
    }
    .article-item time{font-size:12px;color:#9da89e}
    .article-item h3{font-size:15px;margin:0 0 4px}
    .article-item p{font-size:12px;color:#aeb8ae;margin:0}
    .faq-wrap{max-width:880px;margin:0 auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 4px;
      font-size:17px;
      font-weight:750;
      position:relative;
      padding-right:35px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      position:absolute;
      right:5px;
      color:var(--orange);
      font-size:24px;
      font-weight:400;
      top:15px;
    }
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{color:var(--muted);font-size:14px;padding:0 40px 20px 4px}
    .cta-band{
      background:var(--orange);
      color:#fff;
      padding:38px 42px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
    }
    .cta-band h2{font-size:30px;letter-spacing:-.05em;margin:0 0 6px}
    .cta-band p{margin:0;color:#ffe4dc;font-size:14px}
    .cta-band .btn{background:#fff;color:var(--orange-dark)}
    .cta-band .btn:hover{background:#202522;color:#fff}
    .site-footer{
      background:var(--charcoal);
      color:#fff;
      border-top:3px solid var(--orange);
      padding:58px 0 22px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr 1fr 1fr 1fr;
      gap:35px;
      padding-bottom:42px;
    }
    .footer-brand{font-size:20px;font-weight:800;line-height:1.25}
    .footer-brand small{
      display:block;
      color:#f09a80;
      font-size:11px;
      letter-spacing:.12em;
      margin-top:8px;
    }
    .footer-brand p{color:#aeb8ae;font-size:13px;font-weight:400;margin-top:17px}
    .footer-col{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
    .footer-col h3{font-size:14px;margin:0 0 8px;color:#fff}
    .footer-col a,.footer-col span{font-size:13px;color:#aeb8ae;transition:.2s}
    .footer-col a:hover{color:#f19a80;padding-left:3px}
    .footer-bottom{
      border-top:1px solid #414a44;
      padding-top:19px;
      display:flex;
      justify-content:space-between;
      gap:20px;
      color:#8e9990;
      font-size:12px;
    }
    a:focus-visible,button:focus-visible,summary:focus-visible{
      outline:3px solid rgba(230,87,50,.35);
      outline-offset:3px;
    }
    @media(max-width:1024px){
      .main-nav{gap:14px}
      .main-nav a{font-size:13px}
      .header-action{display:none}
      .intro-grid{gap:35px}
      .listing{grid-template-columns:1fr}
      .side-card{position:static}
      .feature-layout{gap:30px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .site-header{height:68px}
      .header-inner{gap:14px}
      .logo{min-width:0;font-size:16px}
      .logo small{font-size:8px;letter-spacing:.06em}
      .logo-mark{width:25px;height:25px}
      .menu-toggle{display:block;margin-left:auto}
      .main-nav{
        display:none;
        position:absolute;
        left:16px;
        right:16px;
        top:67px;
        background:var(--paper);
        border:1px solid var(--line);
        border-radius:0 0 14px 14px;
        padding:8px 18px 16px;
        box-shadow:var(--shadow);
        flex-direction:column;
        align-items:stretch;
        gap:0;
      }
      .main-nav.open{display:flex}
      .main-nav a{padding:11px 0;border-bottom:1px solid var(--line)}
      .main-nav a:last-child{border-bottom:0}
      .page-intro{padding:64px 0 58px}
      .page-intro:after{right:-130px}
      .intro-grid{grid-template-columns:1fr;gap:25px}
      .intro-copy{font-size:15px}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:13px}
      .summary-strip{grid-template-columns:1fr 1fr}
      .summary-item:nth-child(2){border-right:0}
      .summary-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .index-layout{grid-template-columns:1fr;gap:25px}
      .index-nav{position:static;display:flex;gap:14px;overflow:auto;border-left:0;border-bottom:2px solid var(--orange);padding:0 0 12px;white-space:nowrap}
      .index-nav span{display:none}
      .index-nav a{padding:0}
      .game-groups{grid-template-columns:1fr}
      .content-row{grid-template-columns:70px 1fr;gap:12px;padding:17px}
      .row-link{grid-column:2;text-align:left}
      .content-row p{white-space:normal}
      .feature-layout{grid-template-columns:1fr}
      .feature-copy h2{font-size:30px}
      .step-line{grid-template-columns:1fr 1fr;gap:25px 10px}
      .step{margin-right:0;padding-right:15px}
      .article-list{grid-template-columns:1fr}
      .cta-band{display:block;padding:30px 25px}
      .cta-band .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .summary-strip{grid-template-columns:1fr}
      .summary-item{border-right:0!important;border-bottom:1px solid var(--line)}
      .summary-item:last-child{border-bottom:0}
      .page-intro h1{font-size:39px}
      .diagram{min-height:270px}
      .step-line{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }

/* roulang page: category2 */
:root{
      --ink:#202322;
      --muted:#68716d;
      --soft:#8b948f;
      --paper:#fbfaf6;
      --cream:#f1eee7;
      --line:#dddcd4;
      --orange:#e65732;
      --orange-dark:#b94327;
      --olive:#76816b;
      --teal:#5e7771;
      --charcoal:#202522;
      --white:#fffefa;
      --radius:16px;
      --radius-sm:11px;
      --shadow:0 14px 36px rgba(35,38,31,.08);
      --shadow-hover:0 20px 46px rgba(35,38,31,.14);
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:15px;
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:78px;
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(251,250,246,.96);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(8px);
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:30px}
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:235px;
      color:var(--ink);
      font-size:18px;
      font-weight:800;
      letter-spacing:-.04em;
      line-height:1.15;
    }
    .logo-mark{
      width:29px;
      height:29px;
      display:inline-block;
      position:relative;
      border-radius:9px 9px 9px 3px;
      background:var(--orange);
      transform:rotate(-8deg);
    }
    .logo-mark:after{
      content:"";
      position:absolute;
      width:10px;
      height:10px;
      left:8px;
      top:7px;
      border:2px solid var(--white);
      border-radius:50%;
    }
    .logo small{
      display:block;
      margin-top:3px;
      color:var(--soft);
      font-size:10px;
      font-weight:600;
      letter-spacing:.1em;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:24px;
      margin-left:auto;
    }
    .main-nav a{
      padding:27px 0 24px;
      border-bottom:2px solid transparent;
      color:#4f5854;
      font-size:14px;
      transition:.2s ease;
    }
    .main-nav a:hover,.main-nav a.active{
      color:var(--orange-dark);
      border-color:var(--orange);
    }
    .header-action{
      margin-left:12px;
      padding:10px 17px;
      border-radius:9px;
      background:var(--orange);
      color:#fff;
      font-size:13px;
      font-weight:700;
      transition:.2s ease;
    }
    .header-action:hover{background:var(--orange-dark);transform:translateY(-2px)}
    .menu-toggle{
      display:none;
      border:0;
      background:transparent;
      color:var(--ink);
      font-size:25px;
    }
    .page-hero{
      padding:72px 0 66px;
      background:var(--charcoal);
      color:var(--white);
      position:relative;
      overflow:hidden;
    }
    .page-hero:before{
      content:"";
      position:absolute;
      width:430px;
      height:430px;
      right:-120px;
      top:-220px;
      border:1px solid rgba(230,87,50,.4);
      border-radius:50%;
    }
    .page-hero:after{
      content:"";
      position:absolute;
      width:180px;
      height:180px;
      right:175px;
      bottom:-120px;
      border:1px solid rgba(118,129,107,.4);
      border-radius:50%;
    }
    .hero-copy{position:relative;z-index:1;max-width:810px}
    .eyebrow{
      margin-bottom:15px;
      color:#f0a58f;
      font-size:11px;
      font-weight:800;
      letter-spacing:.15em;
    }
    .page-hero h1{
      max-width:790px;
      margin:0;
      color:#fff;
      font-size:clamp(36px,5vw,64px);
      line-height:1.14;
      letter-spacing:-.065em;
    }
    .page-hero h1 em{color:#f27450;font-style:normal}
    .page-hero p{
      max-width:720px;
      margin:22px 0 0;
      color:#c6ccc6;
      font-size:17px;
    }
    .hero-stamp{
      display:inline-flex;
      align-items:center;
      gap:9px;
      margin-top:27px;
      padding:8px 12px;
      border:1px solid #58645b;
      border-radius:30px;
      color:#d8ded7;
      font-size:12px;
    }
    .hero-stamp i{
      width:8px;height:8px;border-radius:50%;background:#e89767;
      box-shadow:0 0 0 4px rgba(232,151,103,.12);
    }
    .section{padding:78px 0}
    .section.alt{background:var(--cream)}
    .section.dark{background:var(--charcoal);color:#fff}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:25px;
      margin-bottom:30px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(27px,3.2vw,42px);
      line-height:1.2;
      letter-spacing:-.055em;
    }
    .section-head p{
      max-width:500px;
      margin:0;
      color:var(--muted);
    }
    .dark .section-head p{color:#b9c0b9}
    .summary-bar{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .summary-item{
      min-height:130px;
      padding:24px 22px;
      border-right:1px solid var(--line);
    }
    .summary-item:last-child{border-right:0}
    .summary-item strong{
      display:block;
      margin-bottom:5px;
      color:var(--orange-dark);
      font-size:27px;
      line-height:1.1;
    }
    .summary-item span{display:block;color:var(--muted);font-size:13px}
    .summary-item small{
      display:block;
      margin-top:11px;
      color:var(--soft);
      font-size:12px;
    }
    .index-layout{
      display:grid;
      grid-template-columns:230px 1fr;
      gap:38px;
      align-items:start;
    }
    .side-index{
      position:sticky;
      top:105px;
      padding:20px 0;
      border-top:2px solid var(--orange);
    }
    .side-index span{
      display:block;
      margin-bottom:13px;
      color:var(--soft);
      font-size:11px;
      font-weight:800;
      letter-spacing:.12em;
    }
    .side-index a{
      display:block;
      padding:10px 13px;
      border-left:2px solid transparent;
      color:var(--muted);
      transition:.2s ease;
    }
    .side-index a:hover,.side-index a.active{
      border-color:var(--orange);
      background:#fff;
      color:var(--orange-dark);
    }
    .sports-list{display:grid;gap:13px}
    .sports-row{
      display:grid;
      grid-template-columns:115px 1fr 112px;
      gap:20px;
      align-items:center;
      padding:22px 24px;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      background:#fff;
      transition:.25s ease;
    }
    .sports-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .sports-date{color:var(--soft);font-size:12px}
    .sports-date b{
      display:block;
      color:var(--ink);
      font-size:23px;
      line-height:1.1;
    }
    .sports-row h3{margin:0 0 4px;font-size:18px;line-height:1.35}
    .sports-row p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:max-content;
      padding:4px 9px;
      border-radius:30px;
      background:#edf0e9;
      color:var(--olive);
      font-size:11px;
      font-weight:800;
    }
    .sports-row .badge{justify-self:end}
    .sports-row .row-link{
      display:inline-block;
      margin-top:8px;
      color:var(--orange-dark);
      font-size:12px;
      font-weight:750;
    }
    .scene-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .scene-panel{
      min-height:310px;
      padding:30px;
      border-radius:var(--radius);
      background:#fff;
      border:1px solid var(--line);
      position:relative;
      overflow:hidden;
    }
    .scene-panel.dark-panel{background:var(--charcoal);color:#fff}
    .scene-panel h3{margin:17px 0 9px;font-size:27px;line-height:1.25}
    .scene-panel p{max-width:470px;color:var(--muted);font-size:14px}
    .dark-panel p{color:#c0c8c0}
    .scene-art{
      position:absolute;
      right:28px;
      bottom:20px;
      width:210px;
      height:135px;
      border:1px solid #d4d6ca;
      border-radius:18px;
      transform:rotate(-7deg);
      background:
        linear-gradient(90deg,transparent 49%,rgba(118,129,107,.25) 50%,transparent 51%),
        linear-gradient(0deg,transparent 49%,rgba(118,129,107,.25) 50%,transparent 51%),
        #f0eee5;
    }
    .scene-art:after{
      content:"赛事信息";
      position:absolute;
      left:18px;
      top:18px;
      padding:5px 8px;
      border-radius:6px;
      background:var(--orange);
      color:#fff;
      font-size:11px;
    }
    .mini-stats{display:grid;gap:10px;margin-top:27px}
    .mini-stat{
      display:flex;
      justify-content:space-between;
      gap:15px;
      padding:13px 0;
      border-bottom:1px solid rgba(255,255,255,.15);
      color:#c8d0c9;
      font-size:13px;
    }
    .mini-stat strong{color:#fff;font-size:16px}
    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0;
      counter-reset:step;
    }
    .step{
      position:relative;
      min-height:170px;
      padding:0 25px 0 0;
      border-top:1px solid var(--line);
    }
    .step:not(:last-child){margin-right:25px}
    .step:not(:last-child):after{
      content:"→";
      position:absolute;
      right:7px;
      top:23px;
      color:var(--orange);
      font-size:22px;
    }
    .step-number{
      display:flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      margin-top:-1px;
      border-radius:0 0 12px 12px;
      background:var(--orange);
      color:#fff;
      font-weight:800;
    }
    .step h3{margin:23px 0 7px;font-size:18px}
    .step p{margin:0;color:var(--muted);font-size:13px}
    .related-layout{
      display:grid;
      grid-template-columns:300px 1fr;
      gap:42px;
      align-items:start;
    }
    .related-intro{
      padding-top:7px;
      border-top:2px solid var(--teal);
    }
    .related-intro h2{margin:16px 0 10px;font-size:30px;line-height:1.25}
    .related-intro p{margin:0;color:var(--muted);font-size:14px}
    .related-list{display:grid;gap:0}
    .related-item{
      display:grid;
      grid-template-columns:90px 1fr auto;
      gap:18px;
      align-items:center;
      padding:17px 0;
      border-bottom:1px solid var(--line);
    }
    .related-item time{color:var(--soft);font-size:12px}
    .related-item h3{margin:0 0 4px;font-size:16px}
    .related-item p{margin:0;color:var(--muted);font-size:13px}
    .related-item a{color:var(--orange-dark);font-size:13px;font-weight:700}
    .faq-list{max-width:860px;margin:0 auto}
    .faq-item{
      border-bottom:1px solid #d3d6ce;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:21px 0;
      border:0;
      background:transparent;
      color:var(--ink);
      text-align:left;
      font-size:17px;
      font-weight:750;
    }
    .faq-question span:last-child{
      color:var(--orange);
      font-size:24px;
      font-weight:400;
      transition:.2s ease;
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      color:var(--muted);
      font-size:14px;
      transition:max-height .3s ease,padding .3s ease;
    }
    .faq-item.open .faq-answer{max-height:160px;padding:0 40px 20px 0}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-band{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
      padding:34px 38px;
      border-radius:var(--radius);
      background:var(--orange);
      color:#fff;
    }
    .cta-band h2{margin:0 0 5px;font-size:29px;line-height:1.25}
    .cta-band p{margin:0;color:#ffe2d8;font-size:14px}
    .cta-band .btn-light{border-color:#ffd0c0}
    .cta-band .btn-light:hover{color:var(--orange-dark)}
    .site-footer{
      padding:58px 0 22px;
      border-top:4px solid var(--orange);
      background:var(--charcoal);
      color:#fff;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1fr;
      gap:34px;
      padding-bottom:42px;
    }
    .footer-brand{font-size:20px;font-weight:800;line-height:1.25}
    .footer-brand small{
      display:block;
      margin-top:6px;
      color:#e8977f;
      font-size:12px;
      letter-spacing:.1em;
    }
    .footer-brand p{margin:19px 0 0;color:#aeb8b0;font-size:13px;font-weight:400}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{margin:0 0 10px;color:#f0a58f;font-size:13px}
    .footer-col a,.footer-col span{color:#b8c0b9;font-size:13px;transition:.2s ease}
    .footer-col a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:20px;
      border-top:1px solid #465048;
      color:#8f9a91;
      font-size:11px;
    }
    .empty-state{
      padding:32px;
      border:1px dashed #c5c8bd;
      border-radius:var(--radius-sm);
      background:#fff;
      color:var(--muted);
      text-align:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:45px;
      padding:11px 20px;
      border-radius:9px;
      border:1px solid transparent;
      font-size:14px;
      font-weight:750;
      transition:.2s ease;
    }
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:transparent;color:var(--ink)}
    .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
    .btn:focus-visible,.main-nav a:focus-visible,.logo:focus-visible,.header-action:focus-visible,.faq-question:focus-visible{
      outline:3px solid rgba(230,87,50,.28);
      outline-offset:4px;
    }
    @media(max-width:1024px){
      .main-nav{gap:15px}
      .main-nav a{font-size:13px}
      .header-action{display:none}
      .summary-bar{grid-template-columns:repeat(2,1fr)}
      .summary-item:nth-child(2){border-right:0}
      .summary-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .steps{grid-template-columns:repeat(2,1fr);gap:25px}
      .step:not(:last-child){margin-right:0}
      .step:nth-child(2):after,.step:nth-child(4):after{display:none}
      .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line);padding-bottom:25px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .site-header{height:70px}
      .header-inner{gap:14px}
      .logo{min-width:0;font-size:16px}
      .logo-mark{width:26px;height:26px}
      .logo small{font-size:8px}
      .menu-toggle{display:block;margin-left:auto}
      .main-nav{
        display:none;
        position:absolute;
        top:70px;
        left:0;
        right:0;
        flex-direction:column;
        align-items:stretch;
        gap:0;
        margin:0;
        padding:10px 16px 18px;
        background:var(--paper);
        border-bottom:1px solid var(--line);
        box-shadow:var(--shadow);
      }
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 10px;border-bottom:0;border-left:2px solid transparent}
      .main-nav a:hover,.main-nav a.active{border-left-color:var(--orange);border-bottom:0;background:#f1eee7}
      .page-hero{padding:58px 0 52px}
      .page-hero h1{font-size:42px}
      .page-hero p{font-size:15px}
      .section{padding:58px 0}
      .section-head,.cta-band{display:block}
      .section-head p{margin-top:13px}
      .summary-bar{grid-template-columns:1fr}
      .summary-item,.summary-item:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}
      .summary-item:last-child{border-bottom:0}
      .index-layout,.scene-grid,.related-layout{grid-template-columns:1fr;gap:24px}
      .side-index{position:static;display:flex;gap:8px;overflow-x:auto;padding:0 0 5px;border-top:0}
      .side-index span{display:none}
      .side-index a{white-space:nowrap;border:1px solid var(--line);border-radius:30px;padding:7px 13px;background:#fff}
      .side-index a:hover,.side-index a.active{border-color:var(--orange);border-left:1px solid var(--orange)}
      .sports-row{grid-template-columns:72px 1fr;gap:13px;padding:18px}
      .sports-row .badge{grid-column:2;justify-self:start}
      .sports-row p{white-space:normal}
      .scene-art{opacity:.35;right:-20px}
      .steps{grid-template-columns:1fr;gap:0}
      .step,.step:nth-child(1),.step:nth-child(2){min-height:0;margin:0;padding:20px 0;border-bottom:1px solid var(--line)}
      .step:first-child{padding-top:0}
      .step:after,.step:nth-child(2):after,.step:nth-child(4):after{display:none!important}
      .related-item{grid-template-columns:75px 1fr;gap:12px}
      .related-item a{grid-column:2}
      .cta-band{padding:27px 23px}
      .cta-band .btn{margin-top:20px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      .page-hero h1{font-size:35px}
      .section-head h2{font-size:30px}
      .sports-row h3{font-size:16px}
      .scene-panel{padding:24px;min-height:270px}
      .scene-panel h3{font-size:23px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }

/* roulang page: category3 */
:root{
      --ink:#202322;
      --muted:#68716d;
      --soft:#8b948f;
      --paper:#fbfaf6;
      --cream:#f1eee7;
      --line:#dddcd4;
      --orange:#e65732;
      --orange-dark:#b94327;
      --olive:#76816b;
      --teal:#5e7771;
      --charcoal:#202522;
      --white:#fffefa;
      --radius:16px;
      --radius-sm:11px;
      --shadow:0 14px 36px rgba(35,38,31,.08);
      --shadow-hover:0 20px 46px rgba(35,38,31,.14);
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.7;
      font-size:15px;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:78px;
      background:rgba(251,250,246,.96);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:blur(8px);
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:30px}
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:235px;
      font-weight:800;
      letter-spacing:-.04em;
      font-size:18px;
      line-height:1.15;
    }
    .logo-mark{
      width:29px;height:29px;border-radius:9px 9px 9px 3px;
      background:var(--orange);position:relative;display:inline-block;
      transform:rotate(-8deg);flex:0 0 auto;
    }
    .logo-mark:after{
      content:"";position:absolute;width:10px;height:10px;
      border:2px solid var(--white);border-radius:50%;left:8px;top:7px
    }
    .logo small{
      display:block;font-size:10px;letter-spacing:.1em;color:var(--soft);
      font-weight:600;margin-top:3px
    }
    .main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
    .main-nav a{
      font-size:14px;color:#4f5854;padding:27px 0 24px;
      border-bottom:2px solid transparent;transition:.2s
    }
    .main-nav a:hover,.main-nav a.active{color:var(--orange-dark);border-color:var(--orange)}
    .header-action{
      margin-left:12px;background:var(--orange);color:var(--white);
      padding:10px 17px;border-radius:9px;font-weight:700;font-size:13px;transition:.2s
    }
    .header-action:hover{background:var(--orange-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:0;background:transparent;font-size:25px;color:var(--ink)}
    main{overflow:hidden}
    .page-intro{
      background:var(--charcoal);
      color:var(--white);
      padding:78px 0 72px;
      position:relative;
    }
    .page-intro:before{
      content:"";position:absolute;width:440px;height:440px;
      border:1px solid rgba(230,87,50,.28);border-radius:50%;
      right:-120px;top:-190px
    }
    .intro-grid{
      display:grid;grid-template-columns:1.1fr .9fr;gap:72px;
      align-items:end;position:relative;z-index:1
    }
    .eyebrow{
      color:#f0a58f;text-transform:uppercase;letter-spacing:.15em;
      font-size:11px;font-weight:800;margin-bottom:16px
    }
    .page-intro h1{
      font-size:clamp(36px,5vw,62px);line-height:1.14;
      letter-spacing:-.065em;margin:0;max-width:760px
    }
    .page-intro h1 em{font-style:normal;color:#f27450}
    .intro-copy{
      color:#c6ccc6;font-size:17px;max-width:650px;margin:23px 0 0
    }
    .intro-note{
      border-left:3px solid var(--orange);
      padding:17px 0 17px 22px;color:#d8ddd7;
      font-size:14px;max-width:360px
    }
    .section{padding:82px 0}
    .section.alt{background:var(--cream)}
    .section.dark{background:var(--charcoal);color:var(--white)}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;
      gap:25px;margin-bottom:32px
    }
    .section-head h2{
      font-size:clamp(27px,3.2vw,43px);letter-spacing:-.055em;
      line-height:1.2;margin:0
    }
    .section-head p{color:var(--muted);max-width:510px;margin:0}
    .dark .section-head p{color:#b9c0b9}
    .summary-strip{
      display:grid;grid-template-columns:repeat(4,1fr);
      border-top:1px solid var(--line);border-bottom:1px solid var(--line)
    }
    .summary-item{padding:23px 22px;border-right:1px solid var(--line)}
    .summary-item:last-child{border-right:0}
    .summary-number{font-size:30px;font-weight:800;line-height:1;color:var(--orange-dark)}
    .summary-label{font-weight:800;margin-top:12px}
    .summary-text{font-size:13px;color:var(--muted);margin-top:3px}
    .badge{
      display:inline-flex;align-items:center;padding:4px 9px;
      border-radius:99px;background:#e9eee8;color:var(--teal);
      font-size:11px;font-weight:800;letter-spacing:.03em
    }
    .badge.orange{background:#f8dfd7;color:var(--orange-dark)}
    .content-layout{
      display:grid;grid-template-columns:280px 1fr;gap:34px;align-items:start
    }
    .side-index{
      position:sticky;top:104px;background:#fff;border:1px solid var(--line);
      border-radius:var(--radius);padding:22px
    }
    .side-index h3{font-size:16px;margin:0 0 14px}
    .side-index a{
      display:flex;justify-content:space-between;gap:12px;
      padding:12px 0;border-bottom:1px solid var(--line);
      color:var(--muted);font-size:14px;transition:.2s
    }
    .side-index a:last-child{border-bottom:0}
    .side-index a:hover{color:var(--orange-dark);padding-left:4px}
    .side-index span{color:var(--soft)}
    .info-list{display:grid;gap:12px}
    .info-row{
      display:grid;grid-template-columns:115px 1fr auto;gap:20px;
      align-items:center;background:#fff;border:1px solid var(--line);
      border-radius:var(--radius-sm);padding:21px 23px;transition:.25s
    }
    .info-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .info-index{font-size:34px;color:#c6cec5;font-weight:800;line-height:1}
    .info-row h3{font-size:20px;margin:0 0 5px}
    .info-row p{font-size:14px;color:var(--muted);margin:0}
    .info-row .arrow{font-size:22px;color:var(--orange-dark)}
    .scene-grid{display:grid;grid-template-columns:1fr 1.12fr;gap:18px;align-items:stretch}
    .scene-copy{
      background:var(--charcoal);color:#fff;border-radius:var(--radius);
      padding:34px;display:flex;flex-direction:column;justify-content:space-between
    }
    .scene-copy h3{font-size:29px;line-height:1.25;margin:20px 0 12px}
    .scene-copy p{color:#c4ccc5;margin:0;font-size:14px}
    .scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}
    .scene-tags span{
      border:1px solid #59645d;color:#d8dfd7;border-radius:99px;
      padding:5px 10px;font-size:12px
    }
    .scene-board{
      min-height:300px;border:1px solid var(--line);border-radius:var(--radius);
      background:#ebe7de;padding:25px;position:relative;overflow:hidden
    }
    .scene-board:after{
      content:"◎";position:absolute;right:-8px;bottom:-75px;
      font-size:260px;color:#dcd1c3;line-height:1
    }
    .board-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}
    .board-title{font-weight:800;font-size:19px}
    .board-status{font-size:12px;color:var(--olive);font-weight:800}
    .board-columns{
      display:grid;grid-template-columns:1fr 1fr;gap:12px;
      margin-top:28px;position:relative;z-index:1
    }
    .board-card{
      min-height:112px;background:#fff;border:1px solid #dedbd2;
      border-radius:13px;padding:17px
    }
    .board-card strong{display:block;font-size:16px;margin:13px 0 4px}
    .board-card small{color:var(--muted);font-size:12px}
    .steps{
      display:grid;grid-template-columns:repeat(4,1fr);gap:0;
      border-top:1px solid #536059;border-bottom:1px solid #536059
    }
    .step{padding:27px 23px;border-right:1px solid #536059}
    .step:last-child{border-right:0}
    .step-no{color:#f27450;font-size:13px;font-weight:800;letter-spacing:.1em}
    .step h3{font-size:18px;margin:15px 0 6px}
    .step p{color:#b9c0b9;font-size:13px;margin:0}
    .dynamic-list{display:grid;gap:0}
    .news-row{
      display:grid;grid-template-columns:100px 1fr auto;gap:18px;
      align-items:center;padding:19px 0;border-bottom:1px solid var(--line);
      transition:.2s
    }
    .news-row:hover{padding-left:8px}
    .news-row time{font-size:12px;color:var(--soft)}
    .news-row h3{font-size:16px;margin:0 0 3px}
    .news-row p{
      font-size:13px;color:var(--muted);margin:0;
      white-space:nowrap;overflow:hidden;text-overflow:ellipsis
    }
    .news-link{font-size:13px;color:var(--orange-dark);font-weight:800;white-space:nowrap}
    .empty-state{
      border:1px dashed #c9c9bf;border-radius:var(--radius);
      padding:38px;text-align:center;color:var(--muted);background:#fff
    }
    .notice-box{
      display:grid;grid-template-columns:auto 1fr auto;gap:20px;
      align-items:center;background:#fff;border:1px solid var(--line);
      border-left:4px solid var(--orange);border-radius:var(--radius-sm);
      padding:22px 25px
    }
    .notice-date{font-size:12px;color:var(--soft)}
    .notice-box h3{font-size:18px;margin:0 0 3px}
    .notice-box p{margin:0;color:var(--muted);font-size:13px}
    .faq-list{max-width:900px;margin:0 auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{
      width:100%;display:flex;justify-content:space-between;align-items:center;
      gap:20px;border:0;background:transparent;text-align:left;
      padding:20px 0;color:var(--ink);font-weight:800;font-size:16px
    }
    .faq-question span:last-child{color:var(--orange);font-size:24px;font-weight:400}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 48px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-band{
      background:var(--orange);color:#fff;border-radius:var(--radius);
      padding:35px 40px;display:flex;align-items:center;
      justify-content:space-between;gap:25px
    }
    .cta-band h2{font-size:29px;line-height:1.25;margin:0 0 7px}
    .cta-band p{margin:0;color:#ffe9e1;font-size:14px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:45px;padding:11px 20px;border-radius:9px;font-weight:750;
      font-size:14px;border:1px solid transparent;transition:.2s
    }
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#f06d48;transform:translateY(-2px)}
    .btn-dark{background:var(--charcoal);color:#fff}
    .btn-dark:hover{background:#343c37;transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
    .cta-band .btn-light{background:#fff;color:var(--orange-dark);border-color:#fff}
    .cta-band .btn-light:hover{background:#fff4ef;transform:translateY(-2px)}
    a:focus-visible,button:focus-visible{
      outline:3px solid rgba(230,87,50,.35);outline-offset:4px
    }
    .site-footer{
      background:var(--charcoal);color:#fff;border-top:3px solid var(--orange);
      padding:57px 0 22px
    }
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
    .footer-brand{font-size:21px;font-weight:800;line-height:1.2}
    .footer-brand small{display:block;color:#f0a58f;font-size:11px;letter-spacing:.12em;margin-top:8px}
    .footer-brand p{font-size:13px;color:#aeb8b0;font-weight:400;margin-top:18px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:14px;margin:0 0 9px;color:#f0a58f}
    .footer-col a,.footer-col span{font-size:13px;color:#b9c0b9;transition:.2s}
    .footer-col a:hover{color:#fff;padding-left:3px}
    .footer-bottom{
      display:flex;justify-content:space-between;gap:20px;
      border-top:1px solid #48514b;margin-top:42px;padding-top:18px;
      color:#8e9991;font-size:11px
    }
    @media(max-width:1024px){
      .main-nav{gap:14px}
      .main-nav a{font-size:13px}
      .header-inner{gap:16px}
      .logo{min-width:210px}
      .intro-grid{gap:40px}
      .content-layout{grid-template-columns:230px 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 34px))}
      .site-header{height:70px}
      .header-inner{justify-content:space-between}
      .logo{min-width:0;font-size:16px}
      .logo small{font-size:9px}
      .menu-toggle{display:block}
      .main-nav{
        display:none;position:absolute;top:70px;left:0;right:0;
        background:var(--paper);border-bottom:1px solid var(--line);
        padding:10px 17px 17px;flex-direction:column;align-items:stretch;
        gap:0;box-shadow:var(--shadow)
      }
      .main-nav.show{display:flex}
      .main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
      .header-action{font-size:12px;padding:9px 11px;margin-left:auto}
      .intro-grid,.scene-grid{grid-template-columns:1fr;gap:28px}
      .page-intro{padding:59px 0 54px}
      .page-intro h1{font-size:40px}
      .intro-copy{font-size:15px}
      .section{padding:62px 0}
      .summary-strip{grid-template-columns:repeat(2,1fr)}
      .summary-item:nth-child(2){border-right:0}
      .summary-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .content-layout{grid-template-columns:1fr}
      .side-index{position:static}
      .info-row{grid-template-columns:55px 1fr auto;padding:18px}
      .info-index{font-size:25px}
      .info-row h3{font-size:17px}
      .steps{grid-template-columns:repeat(2,1fr)}
      .step:nth-child(2){border-right:0}
      .step:nth-child(-n+2){border-bottom:1px solid #536059}
      .news-row{grid-template-columns:75px 1fr;gap:12px}
      .news-link{grid-column:2}
      .notice-box{grid-template-columns:1fr;gap:8px}
      .cta-band{align-items:flex-start;flex-direction:column;padding:29px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{flex-direction:column;gap:7px}
    }
    @media(max-width:520px){
      .header-action{display:none}
      .summary-item{padding:18px 14px}
      .summary-number{font-size:25px}
      .summary-label{font-size:14px}
      .summary-text{font-size:12px}
      .page-intro h1{font-size:34px}
      .section-head{display:block}
      .section-head h2{margin-bottom:12px}
      .info-row{grid-template-columns:1fr auto}
      .info-index{display:none}
      .board-columns{grid-template-columns:1fr}
      .scene-board{min-height:430px}
      .steps{grid-template-columns:1fr}
      .step,.step:nth-child(2){border-right:0;border-bottom:1px solid #536059}
      .step:last-child{border-bottom:0}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .cta-band h2{font-size:24px}
    }

/* roulang page: category4 */
:root{
      --ink:#202322;
      --muted:#68716d;
      --soft:#8b948f;
      --paper:#fbfaf6;
      --cream:#f1eee7;
      --line:#dddcd4;
      --orange:#e65732;
      --orange-dark:#b94327;
      --olive:#76816b;
      --teal:#5e7771;
      --charcoal:#202522;
      --white:#fffefa;
      --radius:16px;
      --radius-sm:11px;
      --shadow:0 14px 36px rgba(35,38,31,.08);
      --shadow-hover:0 20px 46px rgba(35,38,31,.14);
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.7;
      font-size:15px;
    }
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(230,87,50,.35);outline-offset:4px}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:78px;
      background:rgba(251,250,246,.96);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:blur(8px);
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:30px}
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:235px;
      font-weight:800;
      letter-spacing:-.04em;
      font-size:18px;
      line-height:1.15;
    }
    .logo-mark{
      width:29px;height:29px;border-radius:9px 9px 9px 3px;
      background:var(--orange);position:relative;display:inline-block;transform:rotate(-8deg)
    }
    .logo-mark:after{
      content:"";position:absolute;width:10px;height:10px;border:2px solid var(--white);
      border-radius:50%;left:8px;top:7px
    }
    .logo small{display:block;font-size:10px;letter-spacing:.1em;color:var(--soft);font-weight:600;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
    .main-nav a{
      font-size:14px;color:#4f5854;padding:27px 0 24px;
      border-bottom:2px solid transparent;transition:.2s
    }
    .main-nav a:hover,.main-nav a.active{color:var(--orange-dark);border-color:var(--orange)}
    .header-action{
      margin-left:12px;background:var(--orange);color:var(--white);
      padding:10px 17px;border-radius:9px;font-weight:700;font-size:13px;transition:.2s
    }
    .header-action:hover{background:var(--orange-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:0;background:transparent;font-size:25px;color:var(--ink)}
    main{overflow:hidden}
    .page-intro{
      background:var(--charcoal);
      color:var(--white);
      padding:72px 0 68px;
      position:relative;
    }
    .page-intro:before{
      content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(230,87,50,.34);
      border-radius:50%;right:11%;top:-135px
    }
    .intro-inner{position:relative;z-index:1;max-width:850px}
    .eyebrow{
      color:#f0a58f;text-transform:uppercase;letter-spacing:.15em;
      font-size:11px;font-weight:800;margin-bottom:16px
    }
    .page-intro h1{
      font-size:clamp(34px,5vw,62px);line-height:1.15;
      letter-spacing:-.065em;margin:0;max-width:780px
    }
    .page-intro h1 em{font-style:normal;color:#f27450}
    .intro-copy{color:#c6ccc6;font-size:17px;max-width:720px;margin:22px 0 0}
    .section{padding:78px 0}
    .section.alt{background:var(--cream)}
    .section.dark{background:var(--charcoal);color:var(--white)}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;
      gap:25px;margin-bottom:32px
    }
    .section-head h2{
      font-size:clamp(27px,3.2vw,43px);letter-spacing:-.055em;
      line-height:1.2;margin:0
    }
    .section-head p{color:var(--muted);max-width:520px;margin:0}
    .dark .section-head p{color:#b9c0b9}
    .summary-strip{
      display:grid;grid-template-columns:repeat(4,1fr);
      border:1px solid var(--line);border-radius:var(--radius);
      background:var(--white);overflow:hidden;box-shadow:var(--shadow)
    }
    .summary-item{padding:24px 25px;border-right:1px solid var(--line)}
    .summary-item:last-child{border-right:0}
    .summary-label{font-size:12px;color:var(--soft);font-weight:700;margin-bottom:8px}
    .summary-value{font-size:22px;font-weight:800;letter-spacing:-.04em}
    .summary-note{font-size:13px;color:var(--muted);margin-top:4px}
    .guide-layout{display:grid;grid-template-columns:.78fr 1.65fr;gap:28px;align-items:start}
    .side-index{
      background:var(--charcoal);color:#fff;border-radius:var(--radius);
      padding:27px;position:sticky;top:105px
    }
    .side-index strong{display:block;font-size:20px;margin-bottom:18px}
    .side-index p{color:#c3cbc4;font-size:14px;margin:0 0 24px}
    .side-index a{
      display:flex;justify-content:space-between;align-items:center;
      padding:13px 0;border-top:1px solid #48514b;color:#dfe4de;
      font-size:14px;transition:.2s
    }
    .side-index a:hover{color:#f49a7e;padding-left:5px}
    .guide-list{display:grid;gap:13px}
    .guide-row{
      display:grid;grid-template-columns:58px 1fr auto;gap:20px;
      align-items:center;background:#fff;border:1px solid var(--line);
      border-radius:var(--radius);padding:22px 24px;transition:.25s
    }
    .guide-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .guide-no{
      width:43px;height:43px;border-radius:13px;background:#f7e1d8;
      color:var(--orange-dark);display:grid;place-items:center;font-weight:800
    }
    .guide-row h3{font-size:20px;margin:0 0 4px;letter-spacing:-.025em}
    .guide-row p{color:var(--muted);font-size:14px;margin:0}
    .guide-arrow{font-size:22px;color:var(--orange)}
    .device-zone{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
    .device-art{
      min-height:340px;background:#303733;border-radius:24px;
      position:relative;display:flex;justify-content:center;align-items:center;
      overflow:hidden;box-shadow:0 24px 50px rgba(0,0,0,.18)
    }
    .device-art:before,.device-art:after{
      content:"";position:absolute;border:1px solid rgba(240,165,143,.28);border-radius:50%
    }
    .device-art:before{width:370px;height:370px}
    .device-art:after{width:250px;height:250px}
    .phone{
      width:154px;height:286px;background:#171b19;border:7px solid #58645b;
      border-radius:25px;position:relative;z-index:1;box-shadow:0 18px 35px rgba(0,0,0,.35);
      padding:25px 11px 12px
    }
    .phone:before{content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);width:43px;height:5px;border-radius:10px;background:#727c73}
    .phone-screen{height:100%;border-radius:15px;background:#eee9df;padding:12px}
    .phone-screen small{font-size:8px;color:var(--teal)}
    .phone-screen h4{font-size:15px;line-height:1.3;margin:9px 0 15px}
    .screen-line{height:9px;background:#d7d1c6;border-radius:5px;margin:8px 0}
    .screen-line.short{width:62%}
    .screen-block{height:62px;border-radius:9px;background:#df6a49;margin-top:14px}
    .device-copy h2{font-size:36px;line-height:1.25;letter-spacing:-.05em;margin:0 0 15px}
    .device-copy>p{color:var(--muted);margin:0 0 25px}
    .compatibility{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:25px}
    .badge{
      display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;
      background:#e8eeea;color:var(--teal);font-size:12px;font-weight:750
    }
    .download-note{
      border-left:3px solid var(--orange);padding:4px 0 4px 14px;
      color:var(--muted);font-size:13px
    }
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #4d5650}
    .step{padding:25px 22px 8px 0;border-right:1px solid #4d5650;margin-right:22px}
    .step:last-child{border-right:0;margin-right:0}
    .step-number{color:#f27450;font-size:13px;font-weight:800;letter-spacing:.1em}
    .step h3{font-size:19px;margin:13px 0 7px}
    .step p{color:#bbc3bc;font-size:13px;margin:0}
    .news-layout{display:grid;grid-template-columns:1fr 1.25fr;gap:38px;align-items:start}
    .news-feature{
      background:var(--charcoal);color:#fff;border-radius:var(--radius);
      padding:30px;min-height:270px;display:flex;flex-direction:column;justify-content:end
    }
    .news-feature .badge{background:#46544b;color:#dce7dc;width:max-content}
    .news-feature h3{font-size:27px;line-height:1.35;margin:14px 0 9px}
    .news-feature p{color:#c1c9c2;font-size:14px;margin:0}
    .news-list{display:grid;gap:0}
    .news-row{
      display:grid;grid-template-columns:90px 1fr auto;gap:18px;
      align-items:center;padding:17px 0;border-bottom:1px solid var(--line);transition:.2s
    }
    .news-row:hover{padding-left:6px}
    .news-row time{font-size:12px;color:var(--soft)}
    .news-row h3{font-size:16px;margin:0 0 3px}
    .news-row p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0}
    .news-row .badge{font-size:11px;background:#f0eee5;color:var(--olive)}
    .empty-state{border:1px dashed #bbbdb4;border-radius:var(--radius);padding:28px;color:var(--muted);background:#fff}
    .faq-list{max-width:860px;margin:0 auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{
      width:100%;display:flex;justify-content:space-between;align-items:center;
      gap:18px;padding:20px 0;border:0;background:none;color:var(--ink);
      text-align:left;font-weight:750;font-size:17px
    }
    .faq-question span:last-child{color:var(--orange);font-size:23px;line-height:1;transition:.2s}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 42px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-band{
      background:#f5dfd5;border:1px solid #efc5b5;border-radius:var(--radius);
      padding:35px 40px;display:flex;justify-content:space-between;
      align-items:center;gap:30px
    }
    .cta-band h2{font-size:30px;letter-spacing:-.05em;margin:0 0 8px}
    .cta-band p{color:var(--muted);margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:11px 20px;border-radius:9px;font-weight:750;font-size:14px;border:1px solid transparent;transition:.2s}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
    .site-footer{background:var(--charcoal);color:#e9ede8;border-top:3px solid var(--orange);padding:52px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.1fr;gap:34px}
    .footer-brand{font-size:21px;font-weight:800;line-height:1.2;letter-spacing:-.04em}
    .footer-brand small{display:block;color:#f09a80;font-size:11px;letter-spacing:.1em;margin-top:8px}
    .footer-brand p{color:#aeb8af;font-size:13px;font-weight:400;margin-top:19px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:14px;margin:0 0 9px;color:#fff}
    .footer-col a,.footer-col span{font-size:13px;color:#aeb8af;transition:.2s}
    .footer-col a:hover{color:#f39a7d}
    .footer-bottom{
      border-top:1px solid #465049;margin-top:38px;padding-top:18px;
      display:flex;justify-content:space-between;gap:20px;color:#8f9a91;font-size:12px
    }
    @media(max-width:1024px){
      .main-nav{gap:15px}
      .header-action{display:none}
      .guide-layout{grid-template-columns:1fr}
      .side-index{position:static}
      .device-zone{gap:30px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .site-header{height:68px}
      .header-inner{gap:14px}
      .logo{min-width:0;font-size:16px}
      .logo small{font-size:9px;letter-spacing:.04em}
      .menu-toggle{display:block;margin-left:auto}
      .main-nav{
        display:none;position:absolute;left:16px;right:16px;top:68px;
        padding:10px 18px;background:var(--paper);border:1px solid var(--line);
        border-radius:0 0 14px 14px;box-shadow:var(--shadow);flex-direction:column;
        align-items:stretch;gap:0
      }
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 0;border-bottom:1px solid #e8e6df}
      .main-nav a:last-child{border-bottom:0}
      .page-intro{padding:54px 0 51px}
      .page-intro h1{font-size:39px}
      .intro-copy{font-size:15px}
      .section{padding:58px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:12px}
      .summary-strip{grid-template-columns:repeat(2,1fr)}
      .summary-item{border-bottom:1px solid var(--line)}
      .summary-item:nth-child(2){border-right:0}
      .summary-item:nth-child(3),.summary-item:nth-child(4){border-bottom:0}
      .guide-row{grid-template-columns:45px 1fr;gap:14px;padding:18px}
      .guide-arrow{display:none}
      .device-zone,.news-layout{grid-template-columns:1fr}
      .device-art{min-height:310px}
      .device-copy h2{font-size:31px}
      .steps{grid-template-columns:repeat(2,1fr);gap:18px;border-top:0}
      .step{border-right:0;border-top:1px solid #4d5650;margin:0;padding:18px 10px 4px 0}
      .news-row{grid-template-columns:74px 1fr;gap:12px}
      .news-row .badge{grid-column:2;width:max-content}
      .cta-band{display:block;padding:28px 24px}
      .cta-band h2{font-size:26px}
      .cta-band .btn{margin-top:20px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .summary-strip{grid-template-columns:1fr}
      .summary-item{border-right:0!important;border-bottom:1px solid var(--line)!important}
      .summary-item:last-child{border-bottom:0!important}
      .page-intro h1{font-size:34px}
      .side-index{padding:22px}
      .steps{grid-template-columns:1fr}
      .news-row p{white-space:normal}
      .footer-grid{grid-template-columns:1fr}
    }