/* roulang page: index */
:root{
  --ink:#171a19;
  --coal:#242927;
  --paper:#f6f5f0;
  --mist:#ebece7;
  --white:#fff;
  --lime:#d9f44a;
  --lime-dark:#aabd20;
  --coral:#f27754;
  --muted:#707773;
  --line:#d8dcd5;
  --radius:12px;
  --shadow:0 16px 38px rgba(20,28,25,.10);
  --ease:all .25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;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(1200px,calc(100% - 48px));margin:auto}
.site-header{height:76px;background:rgba(246,245,240,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.header-inner{height:100%;display:flex;align-items:center;gap:36px}
.logo{font-size:20px;font-weight:900;letter-spacing:-1px;white-space:nowrap}
.logo i{display:inline-block;width:9px;height:9px;background:var(--lime-dark);margin:0 8px 3px 0;border-radius:50%}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.main-nav a{height:76px;display:flex;align-items:center;position:relative;color:#59615c;font-size:14px;font-weight:700}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--lime-dark)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:0 20px;border:1px solid transparent;border-radius:7px;font-weight:800;transition:var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#e6ff67;transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:#3d4541;transform:translateY(-2px)}
.btn-outline{border-color:#aeb5ae;color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--ink);background:var(--white)}
.btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
.menu-toggle{display:none;border:0;background:none;font-size:24px}
.hero{background:var(--coal);color:var(--white);padding:92px 0 82px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:900;color:var(--lime-dark)}
.hero .eyebrow{color:var(--lime)}
.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-4px;margin:18px 0 24px;max-width:700px}
.hero h1 span{color:var(--lime)}
.hero p{color:#cbd1cc;max-width:570px;font-size:17px;line-height:1.85}
.hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.hero-visual{position:relative;min-height:330px;border:1px solid #4d5751;background:#303835;padding:24px;transform:rotate(2deg)}
.hero-visual:before{content:"";position:absolute;inset:14px;border:1px solid #657069;pointer-events:none}
.visual-top{display:flex;justify-content:space-between;color:#aeb8b1;font-size:12px;position:relative}
.visual-score{position:relative;margin:52px 0 30px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;text-align:center}
.visual-score strong{font-size:42px;line-height:1;color:var(--white)}
.visual-score em{font-style:normal;color:var(--coral);font-weight:900}
.visual-team{font-size:18px;font-weight:800}
.visual-meta{position:relative;display:flex;gap:8px;flex-wrap:wrap}
.pill,.badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;font-size:12px;font-weight:800}
.pill{background:var(--lime);color:var(--ink)}
.badge{background:#edf0ea;color:#4d5751}
.badge.coral{background:#ffe0d6;color:#af4e35}
.status-band{background:var(--lime);color:var(--ink);border-bottom:1px solid #bdcf43}
.status-scroll{display:flex;gap:30px;align-items:center;min-height:54px;overflow:hidden;white-space:nowrap;font-size:13px;font-weight:800}
.status-scroll span{display:inline-flex;gap:8px;align-items:center}
.status-scroll b{width:7px;height:7px;border-radius:50%;background:var(--coral)}
.section{padding:86px 0}
.section.alt{background:var(--mist)}
.section.dark{background:var(--coal);color:var(--white)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.15;letter-spacing:-1.5px;margin-top:8px}
.section-head p{color:var(--muted);max-width:430px}
.dark .section-head p{color:#b8c0ba}
.text-link{font-weight:900;border-bottom:2px solid var(--lime-dark);padding-bottom:3px;white-space:nowrap}
.schedule-wrap{display:grid;grid-template-columns:1fr 3fr;border-top:1px solid var(--line)}
.schedule-date{padding:28px 20px 0 0;font-size:22px;font-weight:900}
.schedule-date small{display:block;font-size:12px;color:var(--muted);font-weight:600;margin-top:8px}
.schedule-list{border-left:1px solid var(--line)}
.schedule-row{display:grid;grid-template-columns:90px 1fr 120px 90px;gap:18px;align-items:center;padding:21px 0 21px 25px;border-bottom:1px solid var(--line)}
.schedule-row time{font-weight:900;font-size:18px}
.schedule-row strong{display:block;font-size:16px}
.schedule-row small{color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:16px}
.match-card{background:var(--white);border:1px solid var(--line);padding:24px;min-height:205px;transition:var(--ease)}
.match-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#bdca55}
.match-card.large{background:var(--ink);color:var(--white);min-height:320px;display:flex;flex-direction:column;justify-content:space-between}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.match-card h3{font-size:24px;line-height:1.3;margin:12px 0}
.match-card.large h3{font-size:34px;max-width:450px}
.match-card p{color:var(--muted);font-size:13px}
.large p{color:#c2c9c3}
.card-bottom{display:flex;justify-content:space-between;align-items:end;margin-top:24px}
.news-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:45px}
.news-intro{border-left:5px solid var(--lime-dark);padding-left:22px}
.news-intro strong{font-size:60px;line-height:1;font-weight:900;display:block}
.news-intro p{color:var(--muted);margin-top:16px;max-width:280px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:19px 0;border-bottom:1px solid var(--line)}
.news-item time{font-size:12px;color:var(--muted);padding-top:5px}
.news-item h3{font-size:17px;margin-bottom:5px}
.news-item p{font-size:13px;color:var(--muted)}
.news-meta{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:12px;margin-top:7px}
.focus-panel{display:grid;grid-template-columns:1.1fr .9fr;background:var(--white);border:1px solid var(--line)}
.focus-copy{padding:38px}
.focus-copy h3{font-size:30px;line-height:1.3;margin:14px 0}
.focus-copy p{color:var(--muted);max-width:500px}
.data-board{background:#dfe8a3;padding:34px;display:grid;align-content:center;gap:20px}
.data-number{font-size:52px;font-weight:900;line-height:1}
.data-number small{font-size:13px;display:block;font-weight:700;margin-top:5px}
.progress{height:8px;background:rgba(23,26,25,.15);position:relative}
.progress i{display:block;height:100%;width:68%;background:var(--ink)}
.editor-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.editor-main,.editor-side article{background:var(--white);border:1px solid var(--line);padding:28px}
.editor-main{min-height:245px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(140deg,#dfe7c6,#fff)}
.editor-main h3{font-size:29px;max-width:600px;margin:10px 0}
.editor-side{display:grid;gap:18px}
.editor-side article h3{font-size:18px;margin:9px 0}
.editor-side article p{color:var(--muted);font-size:13px}
.feed{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #4d5751}
.feed-item{padding:24px 18px;border-right:1px solid #4d5751}
.feed-item:last-child{border-right:0}
.feed-item time{color:var(--lime);font-size:12px}
.feed-item h3{font-size:16px;margin:12px 0;color:#f2f4ef}
.feed-item p{font-size:12px;color:#aeb8b1}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.stat{background:var(--paper);padding:30px 24px}
.stat strong{display:block;font-size:42px;line-height:1;margin-bottom:10px}
.stat span{color:var(--muted);font-size:13px}
.review-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:18px}
.review-hero{background:var(--coral);padding:34px;min-height:300px;display:flex;flex-direction:column;justify-content:space-between}
.review-hero h3{font-size:34px;line-height:1.25}
.review-list{border-top:1px solid var(--line)}
.review-list a{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);gap:20px}
.review-list a:hover h3{color:#869b12}
.review-list h3{font-size:17px}
.review-list small{color:var(--muted)}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.topic{padding:25px;background:var(--white);border:1px solid var(--line);transition:var(--ease)}
.topic:hover{background:var(--lime);transform:translateY(-3px)}
.topic b{font-size:13px;color:var(--coral)}
.topic h3{font-size:22px;margin:18px 0 5px}
.topic p{color:var(--muted);font-size:13px}
.official{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line)}
.official article{padding:28px;background:var(--white)}
.official article+article{border-left:1px solid var(--line)}
.official h3{font-size:20px;margin:10px 0}
.official p{color:var(--muted);font-size:14px}
.download{background:var(--ink);color:var(--white);padding:58px 0}
.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.download h2{font-size:42px;line-height:1.2;margin:12px 0 17px}
.download p{color:#bec7bf;max-width:510px}
.device{height:245px;border:8px solid #66716a;border-radius:28px;background:#f2f4ed;color:var(--ink);padding:25px;max-width:190px;margin:auto;box-shadow:20px 20px 0 rgba(217,244,74,.8);transform:rotate(-5deg)}
.device strong{font-size:18px;display:block;margin-bottom:25px}
.device .device-line{height:13px;background:#dce5a7;margin:10px 0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:28px 24px 10px 0;border-bottom:1px solid var(--line)}
.step+.step{padding-left:24px;border-left:1px solid var(--line)}
.step b{font-size:36px;color:var(--lime-dark)}
.step h3{font-size:18px;margin:8px 0}
.step p{font-size:13px;color:var(--muted)}
.faq{max-width:820px}
.faq details{border-top:1px solid var(--line);padding:19px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-size:17px;font-weight:800;list-style:none;display:flex;justify-content:space-between}
.faq summary:after{content:"＋";color:var(--coral);font-size:22px}
.faq details[open] summary:after{content:"－"}
.faq details p{color:var(--muted);padding:13px 35px 0 0}
.final-cta{background:var(--lime);padding:48px 0}
.final-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
.final-inner h2{font-size:32px;line-height:1.2}
.site-footer{background:#171a19;color:#dfe5df;padding:52px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px;border-bottom:1px solid #3b443f}
.footer-brand p{color:#9fa9a1;margin-top:15px;max-width:260px;font-size:13px}
.site-footer h3{font-size:14px;color:var(--lime);margin-bottom:15px}
.footer-links{display:grid;gap:9px}
.footer-links a{color:#aeb8b1;font-size:13px}
.footer-links a:hover{color:var(--white)}
.copyright{display:flex;justify-content:space-between;color:#879189;font-size:12px;padding-top:20px;gap:15px}
@media(max-width:1024px){
 .main-nav{gap:15px}.hero-grid{gap:35px}.feature-grid{grid-template-columns:1fr 1fr}.match-card.large{grid-row:span 2}.feed{grid-template-columns:1fr 1fr}.feed-item:nth-child(2){border-right:0}.feed-item{border-bottom:1px solid #4d5751}
}
@media(max-width:768px){
 .container{width:min(100% - 32px,600px)}.site-header{height:64px}.header-inner{gap:15px}.main-nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--paper);padding:18px 16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.main-nav.open{display:flex}.main-nav a{height:48px;border-bottom:1px solid var(--line)}.main-nav a.active:after{left:auto;width:4px;height:24px;top:12px;bottom:auto}.header-inner>.btn{margin-left:auto;min-height:38px;padding:0 13px;font-size:13px}.menu-toggle{display:block}.hero{padding:60px 0}.hero-grid,.news-layout,.focus-panel,.editor-grid,.download-grid,.review-layout{grid-template-columns:1fr}.hero h1{letter-spacing:-2px}.hero-visual{margin:20px 10px 0}.section{padding:58px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:16px}.schedule-wrap{display:block}.schedule-date{padding:0 0 18px}.schedule-list{border-left:0}.schedule-row{grid-template-columns:65px 1fr auto;gap:10px;padding-left:0}.schedule-row .badge{grid-column:3;grid-row:1/3}.feature-grid{grid-template-columns:1fr}.match-card.large{grid-row:auto;min-height:260px}.news-intro{margin-bottom:25px}.data-board{min-height:220px}.official,.topic-grid,.stats,.steps{grid-template-columns:1fr}.official article+article{border-left:0;border-top:1px solid var(--line)}.topic-grid{gap:10px}.stat{padding:22px}.step+.step{padding-left:0;border-left:0}.step{padding:20px 0}.download-grid{gap:45px}.final-inner{display:block}.final-inner .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}
}
@media(max-width:480px){
 body{font-size:14px}.logo{font-size:17px}.header-inner>.btn{font-size:12px;padding:0 10px}.hero h1{font-size:42px}.hero p{font-size:15px}.hero-visual{min-height:285px;padding:18px}.visual-score{margin:38px 0 24px}.visual-team{font-size:15px}.visual-score strong{font-size:34px}.schedule-row{grid-template-columns:58px 1fr}.schedule-row .badge{grid-column:2;grid-row:auto;justify-self:start}.news-item{grid-template-columns:1fr;gap:2px}.news-item time{padding:0}.feed{grid-template-columns:1fr}.feed-item{border-right:0}.download h2{font-size:34px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
}

/* roulang page: article */
:root{
      --ink:#171a19;
      --coal:#242927;
      --paper:#f6f5f0;
      --mist:#ebece7;
      --white:#fff;
      --lime:#d9f44a;
      --lime-dark:#aabd20;
      --coral:#f27754;
      --muted:#707773;
      --line:#d8dcd5;
      --radius:12px;
      --shadow:0 16px 38px rgba(20,28,25,.10);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",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(1200px,calc(100% - 48px));margin:0 auto}
    .site-header{
      height:76px;
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(246,245,240,.95);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(12px);
    }
    .header-inner{height:100%;display:flex;align-items:center;gap:36px}
    .logo{font-size:20px;font-weight:900;letter-spacing:-1px;white-space:nowrap}
    .logo i{
      display:inline-block;
      width:9px;height:9px;
      margin:0 8px 3px 0;
      border-radius:50%;
      background:var(--lime-dark);
    }
    .main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
    .main-nav a{
      height:76px;
      display:flex;
      align-items:center;
      position:relative;
      color:#59615c;
      font-size:14px;
      font-weight:700;
    }
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a.active:after{
      content:"";
      position:absolute;
      bottom:0;left:0;right:0;
      height:4px;
      background:var(--lime-dark);
    }
    .header-download{margin-left:4px}
    .btn{
      min-height:44px;
      padding:0 20px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border:1px solid transparent;
      border-radius:7px;
      font-weight:800;
      transition:var(--ease);
    }
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#e6ff67;transform:translateY(-2px)}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:#3d4541;transform:translateY(-2px)}
    .btn-outline{border-color:#aeb5ae;background:transparent;color:var(--ink)}
    .btn-outline:hover{border-color:var(--ink);background:var(--white)}
    .btn:focus-visible,a:focus-visible,input:focus-visible{
      outline:3px solid var(--coral);
      outline-offset:3px;
    }
    .menu-toggle{
      display:none;
      margin-left:auto;
      padding:7px 10px;
      border:1px solid var(--line);
      border-radius:7px;
      background:transparent;
      font-size:21px;
      line-height:1;
    }
    .article-hero{
      padding:72px 0 66px;
      background:var(--coal);
      color:var(--white);
      position:relative;
      overflow:hidden;
    }
    .article-hero:after{
      content:"";
      position:absolute;
      width:390px;height:390px;
      right:-120px;top:-180px;
      border:1px solid rgba(217,244,74,.28);
      border-radius:50%;
      box-shadow:0 0 0 26px rgba(217,244,74,.04),0 0 0 52px rgba(217,244,74,.03);
    }
    .crumbs{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      gap:10px;
      color:#aeb8b1;
      font-size:13px;
      margin-bottom:28px;
    }
    .crumbs a:hover{color:var(--lime)}
    .crumbs .current{
      max-width:520px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      color:#eef2ec;
    }
    .article-label{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:var(--lime);
      font-size:12px;
      font-weight:900;
      letter-spacing:1.8px;
    }
    .article-label:before{
      content:"";
      width:26px;height:3px;
      background:var(--coral);
    }
    .article-hero h1{
      position:relative;
      z-index:1;
      max-width:850px;
      margin:17px 0 22px;
      font-size:clamp(34px,5vw,62px);
      line-height:1.17;
      letter-spacing:-2.5px;
    }
    .article-summary{
      position:relative;
      z-index:1;
      max-width:760px;
      margin:0;
      color:#cbd1cc;
      font-size:17px;
      line-height:1.85;
    }
    .article-meta{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:12px 22px;
      margin-top:30px;
      color:#aeb8b1;
      font-size:13px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      padding:5px 11px;
      border-radius:99px;
      background:#edf0ea;
      color:#4d5751;
      font-size:12px;
      font-weight:800;
    }
    .badge.lime{background:var(--lime);color:var(--ink)}
    .badge.coral{background:#ffe0d6;color:#af4e35}
    .article-shell{padding:68px 0 84px}
    .reading-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 260px;
      gap:68px;
      align-items:start;
      justify-content:center;
    }
    .article-content{
      min-width:0;
      padding:42px 48px 50px;
      background:var(--white);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 8px 25px rgba(20,28,25,.04);
    }
    .article-content h2{
      margin:34px 0 14px;
      padding-left:15px;
      border-left:4px solid var(--lime-dark);
      font-size:28px;
      line-height:1.35;
    }
    .article-content h3{margin:28px 0 12px;font-size:21px}
    .article-content p{margin:0 0 20px;color:#3c4540}
    .article-content ul,.article-content ol{padding-left:24px;margin:15px 0 24px}
    .article-content li{margin:8px 0;color:#3c4540}
    .article-content blockquote{
      margin:28px 0;
      padding:20px 24px;
      border-left:4px solid var(--coral);
      background:#fff1eb;
      color:#5e4037;
    }
    .article-content img{height:auto;margin:28px auto;border-radius:8px}
    .article-content table{
      width:100%;
      border-collapse:collapse;
      margin:24px 0;
      overflow:hidden;
    }
    .article-content th,.article-content td{
      padding:12px 14px;
      border:1px solid var(--line);
      text-align:left;
    }
    .article-content th{background:var(--mist);font-weight:800}
    .article-aside{position:sticky;top:105px}
    .aside-card{
      padding:24px;
      background:var(--mist);
      border:1px solid var(--line);
      border-radius:var(--radius);
      margin-bottom:16px;
    }
    .aside-card.dark{background:var(--ink);color:var(--white);border-color:var(--ink)}
    .aside-card h3{margin:0 0 17px;font-size:18px}
    .aside-card p{margin:0;color:var(--muted);font-size:13px}
    .aside-card.dark p{color:#b8c0ba}
    .aside-line{
      display:flex;
      justify-content:space-between;
      gap:15px;
      padding:11px 0;
      border-bottom:1px solid rgba(216,220,213,.8);
      font-size:13px;
    }
    .aside-line:last-child{border-bottom:0}
    .aside-line span{color:var(--muted)}
    .aside-line strong{text-align:right}
    .article-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
      padding-top:27px;
      border-top:1px solid var(--line);
    }
    .related-section{padding:76px 0;background:var(--mist)}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:20px;
      margin-bottom:28px;
    }
    .section-kicker{
      color:var(--lime-dark);
      font-size:12px;
      letter-spacing:2px;
      font-weight:900;
    }
    .section-head h2{margin:8px 0 0;font-size:clamp(28px,4vw,42px);line-height:1.2;letter-spacing:-1.5px}
    .section-head p{max-width:430px;margin:0;color:var(--muted)}
    .related-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:16px}
    .related-card{
      min-height:190px;
      padding:25px;
      background:var(--white);
      border:1px solid var(--line);
      border-radius:var(--radius);
      transition:var(--ease);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .related-card:hover{transform:translateY(-4px);border-color:#bdca55;box-shadow:var(--shadow)}
    .related-card.featured{background:var(--coral);border-color:var(--coral)}
    .related-card h3{margin:17px 0 7px;font-size:21px;line-height:1.35}
    .related-card p{margin:0;color:var(--muted);font-size:13px}
    .related-card.featured p{color:#603d34}
    .card-arrow{align-self:flex-end;font-size:22px;font-weight:900}
    .download-strip{padding:42px 0;background:var(--coal);color:var(--white)}
    .download-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:30px;
    }
    .download-inner h2{margin:0 0 8px;font-size:29px;letter-spacing:-1px}
    .download-inner p{margin:0;color:#b8c0ba}
    .download-mark{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:160px;
    }
    .download-mark span{
      display:block;
      width:46px;height:58px;
      border:2px solid var(--lime);
      border-radius:9px;
      position:relative;
    }
    .download-mark span:after{
      content:"";
      position:absolute;
      width:5px;height:5px;
      left:50%;bottom:5px;
      transform:translateX(-50%);
      border-radius:50%;
      background:var(--lime);
    }
    .download-mark strong{font-size:16px}
    .site-footer{padding:58px 0 23px;background:var(--ink);color:var(--white)}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px;padding-bottom:45px}
    .footer-brand p{max-width:300px;color:#aeb8b1;font-size:13px;margin:16px 0 0}
    .site-footer h3{font-size:14px;margin:3px 0 15px;color:var(--lime)}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#b8c0ba;font-size:13px;transition:var(--ease)}
    .footer-links a:hover{color:var(--white);padding-left:4px}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:19px;
      border-top:1px solid #3d4541;
      color:#858f88;
      font-size:12px;
    }
    .empty-state{
      padding:44px 20px;
      text-align:center;
      color:var(--muted);
      background:var(--mist);
      border:1px dashed #b9c1b9;
      border-radius:8px;
    }
    .empty-state strong{display:block;color:var(--ink);font-size:18px;margin-bottom:5px}
    @media(max-width:1024px){
      .main-nav{gap:16px}
      .header-inner{gap:18px}
      .reading-layout{grid-template-columns:minmax(0,1fr) 220px;gap:30px}
      .related-grid{grid-template-columns:1fr 1fr}
      .related-card.featured{grid-column:span 2}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .site-header{height:68px}
      .header-inner{gap:10px}
      .main-nav{
        display:none;
        position:absolute;
        top:68px;left:0;right:0;
        padding:14px 16px 22px;
        background:var(--paper);
        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{height:48px;padding:0 8px}
      .main-nav a.active:after{left:0;right:auto;bottom:10px;width:4px;height:25px}
      .header-download{padding:0 12px;min-height:38px;font-size:13px}
      .menu-toggle{display:block}
      .article-hero{padding:49px 0 45px}
      .article-hero h1{letter-spacing:-1.5px}
      .article-summary{font-size:15px}
      .article-shell{padding:38px 0 52px}
      .reading-layout{display:block}
      .article-aside{position:static;margin-top:20px}
      .article-content{padding:27px 22px 34px}
      .article-content h2{font-size:24px}
      .related-section{padding:52px 0}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .related-grid{grid-template-columns:1fr}
      .related-card.featured{grid-column:auto}
      .download-inner{display:block}
      .download-mark{margin-bottom:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:span 2}
      .copyright{display:block}
      .copyright span{display:block;margin-top:7px}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 28px)}
      .logo{font-size:17px}
      .header-download{font-size:12px;padding:0 9px}
      .article-hero h1{font-size:34px}
      .crumbs .current{max-width:150px}
      .article-meta{gap:8px 13px}
      .article-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }

/* roulang page: category1 */
:root{
      --ink:#171a19;
      --coal:#242927;
      --paper:#f6f5f0;
      --mist:#ebece7;
      --white:#fff;
      --lime:#d9f44a;
      --lime-dark:#aabd20;
      --coral:#f27754;
      --muted:#707773;
      --line:#d8dcd5;
      --radius:12px;
      --shadow:0 16px 38px rgba(20,28,25,.10);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;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(1200px,calc(100% - 48px));margin:auto}
    .site-header{height:76px;background:rgba(246,245,240,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:36px}
    .logo{font-size:20px;font-weight:900;letter-spacing:-1px;white-space:nowrap}
    .logo i{display:inline-block;width:9px;height:9px;background:var(--lime-dark);margin:0 8px 3px 0;border-radius:50%}
    .main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
    .main-nav a{height:76px;display:flex;align-items:center;position:relative;color:#59615c;font-size:14px;font-weight:700}
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--lime-dark)}
    .header-download{margin-left:6px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:0 20px;border:1px solid transparent;border-radius:7px;font-weight:800;transition:var(--ease)}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#e6ff67;transform:translateY(-2px)}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:#3d4541;transform:translateY(-2px)}
    .btn-outline{border-color:#aeb5ae;color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--ink);background:var(--white)}
    .btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    .menu-toggle{display:none;border:0;background:none;font-size:24px}
    .page-head{background:var(--coal);color:var(--white);padding:76px 0 70px;position:relative;overflow:hidden}
    .page-head:after{content:"资讯 / 01";position:absolute;right:5%;bottom:16px;color:#48524c;font-size:100px;font-weight:900;letter-spacing:-7px;line-height:1}
    .head-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:end;position:relative;z-index:1}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:2px;font-weight:900;color:var(--lime-dark)}
    .page-head .eyebrow{color:var(--lime)}
    .page-head h1{font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-4px;margin:16px 0 20px}
    .page-head p{max-width:650px;color:#cbd1cc;font-size:17px;margin:0}
    .head-note{border-left:3px solid var(--lime);padding:8px 0 8px 22px;color:#dce2dc}
    .head-note strong{display:block;color:var(--lime);font-size:30px;line-height:1;margin-bottom:10px}
    .section{padding:78px 0}
    .section.alt{background:var(--mist)}
    .section.dark{background:var(--coal);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.15;letter-spacing:-1.5px;margin:8px 0 0}
    .section-head p{color:var(--muted);max-width:450px;margin:0}
    .dark .section-head p{color:#b8c0ba}
    .filter-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
    .filter-bar span{padding:10px 16px;border:1px solid var(--line);background:var(--white);border-radius:7px;font-size:13px;font-weight:800;color:#59615c}
    .filter-bar span.active{background:var(--ink);border-color:var(--ink);color:var(--lime)}
    .news-layout{display:grid;grid-template-columns:1fr 3fr;gap:42px}
    .news-index{border-top:3px solid var(--ink);padding-top:20px}
    .news-index strong{font-size:58px;line-height:1;display:block}
    .news-index p{color:var(--muted);margin-top:14px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:96px 1fr 72px;gap:22px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
    .news-item:hover{padding-left:10px;background:rgba(255,255,255,.45)}
    .news-item time{font-size:12px;color:var(--muted);padding-top:4px}
    .news-item h3{font-size:19px;line-height:1.4;margin:0 0 6px}
    .news-item p{font-size:13px;color:var(--muted);margin:0}
    .news-meta{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:12px;margin-top:9px}
    .badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;font-size:12px;font-weight:800;background:#edf0ea;color:#4d5751}
    .badge.lime{background:var(--lime);color:var(--ink)}
    .badge.coral{background:#ffe0d6;color:#af4e35}
    .arrow{font-size:24px;color:var(--lime-dark);transition:var(--ease)}
    .news-item:hover .arrow{transform:translateX(5px)}
    .feature-strip{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:16px}
    .feature-card{min-height:210px;background:var(--white);border:1px solid var(--line);padding:24px;display:flex;flex-direction:column;justify-content:space-between;transition:var(--ease)}
    .feature-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#bdca55}
    .feature-card.primary{background:var(--coral);border-color:var(--coral)}
    .feature-card h3{font-size:24px;line-height:1.35;margin:14px 0 8px}
    .feature-card p{font-size:13px;color:var(--muted);margin:0}
    .primary p{color:#542c22}
    .card-foot{display:flex;justify-content:space-between;align-items:center;font-size:12px;font-weight:800}
    .speed-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid #4d5751}
    .speed-item{padding:22px;border-right:1px solid #4d5751;border-bottom:1px solid #4d5751}
    .speed-item:nth-child(even){border-right:0}
    .speed-item:nth-last-child(-n+2){border-bottom:0}
    .speed-item time{font-size:12px;color:var(--lime)}
    .speed-item h3{font-size:16px;margin:8px 0;color:#f2f4ef}
    .speed-item p{font-size:13px;color:#aeb8b1;margin:0}
    .download-panel{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;background:#dfe8a3;padding:42px}
    .download-panel h2{font-size:34px;line-height:1.2;margin:8px 0 14px}
    .download-panel p{max-width:520px;color:#4c554b}
    .device-card{min-height:190px;background:var(--ink);color:var(--white);padding:25px;position:relative;overflow:hidden}
    .device-card:before{content:"APP";position:absolute;right:-8px;bottom:-34px;color:#303a34;font-weight:900;font-size:130px}
    .device-card .screen-line{width:72%;height:10px;background:var(--lime);margin:28px 0 16px}
    .device-card .screen-row{height:8px;width:88%;background:#56615a;margin:12px 0}
    .footer{background:var(--coal);color:var(--white)}
    .site-footer{background:var(--coal);color:var(--white);padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-brand p{color:#b8c0ba;max-width:300px;font-size:13px;margin-top:15px}
    .footer-grid h3{font-size:14px;margin:4px 0 15px;color:var(--lime)}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#c3cbc4;font-size:13px;transition:var(--ease)}
    .footer-links a:hover{color:var(--lime);padding-left:4px}
    .copyright{border-top:1px solid #4d5751;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#98a39b;font-size:12px}
    .empty-state{padding:38px 20px;text-align:center;border:1px dashed #afb8ae;color:var(--muted);background:rgba(255,255,255,.35)}
    .empty-state strong{display:block;color:var(--ink);font-size:17px;margin-bottom:5px}
    @media(max-width:1024px){
      .main-nav{gap:16px}
      .header-inner{gap:20px}
      .feature-strip{grid-template-columns:1fr 1fr}
      .feature-card.primary{grid-column:span 2}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,600px)}
      .site-header{height:68px}
      .header-inner{justify-content:space-between}
      .main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:10px 16px 20px;background:var(--paper);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{height:48px}
      .main-nav a.active:after{height:3px;left:auto;width:45px}
      .header-download{min-height:38px;padding:0 13px;font-size:13px}
      .menu-toggle{display:block}
      .head-grid,.news-layout,.download-panel{grid-template-columns:1fr;gap:28px}
      .page-head{padding:58px 0}
      .page-head h1{letter-spacing:-2px}
      .page-head:after{font-size:64px}
      .section{padding:58px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .news-item{grid-template-columns:72px 1fr 25px;gap:12px}
      .news-item h3{font-size:16px}
      .news-item p{display:none}
      .feature-strip{grid-template-columns:1fr}
      .feature-card.primary{grid-column:auto}
      .speed-grid{grid-template-columns:1fr}
      .speed-item,.speed-item:nth-child(even),.speed-item:nth-last-child(-n+2){border-right:0;border-bottom:1px solid #4d5751}
      .speed-item:last-child{border-bottom:0}
      .download-panel{padding:28px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:span 2}
    }
    @media(max-width:520px){
      .logo{font-size:17px}
      .header-download{display:none}
      .page-head h1{font-size:42px}
      .filter-bar{display:grid;grid-template-columns:1fr 1fr}
      .filter-bar span{text-align:center}
      .news-item time{font-size:11px}
      .news-item h3{font-size:15px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:6px}
    }

/* roulang page: category3 */
:root{
      --ink:#171a19;
      --coal:#242927;
      --paper:#f6f5f0;
      --mist:#ebece7;
      --white:#fff;
      --lime:#d9f44a;
      --lime-dark:#aabd20;
      --coral:#f27754;
      --muted:#707773;
      --line:#d8dcd5;
      --radius:12px;
      --shadow:0 16px 38px rgba(20,28,25,.10);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;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(1200px,calc(100% - 48px));margin:auto}
    .site-header{height:76px;background:rgba(246,245,240,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:36px}
    .logo{font-size:20px;font-weight:900;letter-spacing:-1px;white-space:nowrap}
    .logo i{display:inline-block;width:9px;height:9px;background:var(--lime-dark);margin:0 8px 3px 0;border-radius:50%}
    .main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
    .main-nav a{height:76px;display:flex;align-items:center;position:relative;color:#59615c;font-size:14px;font-weight:700}
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--lime-dark)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:0 20px;border:1px solid transparent;border-radius:7px;font-weight:800;transition:var(--ease)}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#e6ff67;transform:translateY(-2px)}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:#3d4541;transform:translateY(-2px)}
    .btn-outline{border-color:#aeb5ae;color:var(--ink);background:transparent}
    .btn-outline:hover{border-color:var(--ink);background:var(--white)}
    .btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    .menu-toggle{display:none;border:0;background:none;font-size:24px}
    .page-intro{background:var(--coal);color:var(--white);padding:76px 0 70px;position:relative;overflow:hidden}
    .page-intro:after{content:"03";position:absolute;right:5%;bottom:-35px;font-size:190px;line-height:1;font-weight:900;color:rgba(217,244,74,.08)}
    .intro-grid{display:grid;grid-template-columns:1fr .8fr;gap:80px;align-items:end;position:relative;z-index:1}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:900;color:var(--lime-dark)}
    .page-intro .eyebrow{color:var(--lime)}
    .page-intro h1{font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-3px;margin:16px 0 20px}
    .page-intro h1 span{color:var(--lime)}
    .page-intro p{max-width:620px;color:#cbd1cc;font-size:17px;margin:0}
    .intro-note{border-left:3px solid var(--coral);padding:6px 0 6px 22px;color:#d7ddd7}
    .intro-note strong{display:block;color:var(--white);font-size:23px;margin-bottom:7px}
    .section{padding:82px 0}
    .section.alt{background:var(--mist)}
    .section.dark{background:var(--coal);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.15;letter-spacing:-1.5px;margin:8px 0 0}
    .section-head p{color:var(--muted);max-width:470px;margin:0}
    .dark .section-head p{color:#b8c0ba}
    .download-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow)}
    .device-stage{background:#dfe8a3;min-height:440px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
    .device-stage:before,.device-stage:after{content:"";position:absolute;border:1px solid rgba(23,26,25,.18);border-radius:50%}
    .device-stage:before{width:400px;height:400px}
    .device-stage:after{width:290px;height:290px}
    .phone{width:190px;height:350px;background:var(--ink);border:7px solid #111;border-radius:25px;padding:10px;position:relative;z-index:1;box-shadow:0 18px 30px rgba(23,26,25,.25);transform:rotate(-7deg)}
    .phone-top{height:20px;width:68px;background:#303633;border-radius:0 0 12px 12px;margin:auto}
    .phone-screen{margin-top:16px;height:286px;background:#f6f5f0;padding:13px 10px}
    .phone-screen small{font-size:8px;color:var(--muted)}
    .screen-title{font-size:17px;font-weight:900;margin:16px 0 12px}
    .screen-match{background:var(--coal);color:white;padding:13px 9px;margin-bottom:8px}
    .screen-match b{display:block;font-size:11px}
    .screen-match span{color:var(--lime);font-size:9px}
    .download-copy{padding:45px}
    .download-copy h2{font-size:34px;line-height:1.25;margin:12px 0 15px}
    .download-copy p{color:var(--muted);max-width:470px}
    .download-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}
    .device-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
    .badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;font-size:12px;font-weight:800;background:#edf0ea;color:#4d5751}
    .badge.lime{background:var(--lime);color:var(--ink)}
    .badge.coral{background:#ffe0d6;color:#af4e35}
    .download-meta{border-top:1px solid var(--line);padding-top:18px;font-size:12px;color:var(--muted)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
    .step{padding:26px 24px 12px 0;border-right:1px solid var(--line);margin-right:24px}
    .step:last-child{border-right:0;margin-right:0}
    .step-num{width:36px;height:36px;background:var(--lime);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;margin-bottom:20px}
    .step h3{font-size:19px;margin:0 0 8px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .experience-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .experience-main{background:var(--ink);color:var(--white);padding:36px;min-height:330px;display:flex;flex-direction:column;justify-content:space-between}
    .experience-main h3{font-size:34px;line-height:1.25;max-width:480px;margin:15px 0}
    .experience-main p{color:#c2cbc4;max-width:500px}
    .experience-side{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .experience-card{background:var(--white);border:1px solid var(--line);padding:24px;min-height:156px;transition:var(--ease)}
    .experience-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bdca55}
    .experience-card strong{display:block;font-size:19px;margin:15px 0 5px}
    .experience-card span{font-size:13px;color:var(--muted)}
    .icon-line{width:34px;height:4px;background:var(--coral)}
    .version-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
    .version-card{background:var(--white);border:1px solid var(--line);padding:28px}
    .version-card h3{font-size:18px;margin:16px 0 7px}
    .version-card p{font-size:13px;color:var(--muted);margin:0}
    .version-value{font-size:28px;font-weight:900;letter-spacing:-1px}
    .tips-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
    .tips-intro h2{font-size:38px;line-height:1.2;margin:10px 0 15px}
    .tips-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{list-style:none;cursor:pointer;padding:20px 35px 20px 0;font-weight:800;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:4px;font-size:24px;font-weight:400;color:var(--coral)}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{color:var(--muted);font-size:14px;margin:0 0 20px;max-width:700px}
    .cta-band{background:var(--coral);padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-band h2{font-size:32px;margin:0 0 7px;line-height:1.2}
    .cta-band p{margin:0;color:#5f2e23}
    .site-footer{background:var(--coal);color:var(--white);padding:58px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{color:#aeb8b1;max-width:300px;font-size:13px;margin-top:15px}
    .site-footer h3{font-size:14px;margin:3px 0 15px;color:var(--lime)}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#bdc6bf;font-size:13px;transition:var(--ease)}
    .footer-links a:hover{color:var(--lime);padding-left:4px}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #4d5751;margin-top:42px;padding-top:19px;color:#8e9991;font-size:12px}
    @media(max-width:1024px){
      .main-nav{gap:16px}
      .header-inner{gap:20px}
      .intro-grid{gap:40px}
      .download-copy{padding:34px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,600px)}
      .site-header{height:68px}
      .header-inner{gap:12px}
      .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 16px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}
      .main-nav.open{display:flex}
      .main-nav a{height:48px;border-bottom:1px solid var(--line)}
      .main-nav a.active:after{left:auto;width:38px;height:3px;bottom:0}
      .menu-toggle{display:block;margin-left:auto}
      .header-inner>.btn{min-height:38px;padding:0 13px;font-size:13px}
      .page-intro{padding:58px 0}
      .intro-grid,.download-panel,.experience-grid,.tips-grid{grid-template-columns:1fr;gap:30px}
      .page-intro h1{letter-spacing:-2px}
      .intro-note{margin-top:10px}
      .section{padding:60px 0}
      .download-copy{padding:30px 24px}
      .device-stage{min-height:360px}
      .steps{grid-template-columns:1fr 1fr;border-top:0}
      .step{border-top:1px solid var(--line);padding:22px 14px 20px 0;margin-right:14px}
      .step:nth-child(2){border-right:0;margin-right:0}
      .version-grid{grid-template-columns:1fr}
      .experience-side{grid-template-columns:1fr 1fr}
      .cta-band{padding:30px 24px;display:block}
      .cta-band .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:6px}
    }
    @media(max-width:480px){
      .logo{font-size:17px}
      .header-inner>.btn{font-size:12px;padding:0 10px}
      .page-intro h1{font-size:42px}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .phone{transform:scale(.9) rotate(-7deg)}
      .experience-side{grid-template-columns:1fr}
      .download-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{--ink:#171a19;--coal:#242927;--paper:#f6f5f0;--mist:#ebece7;--white:#fff;--lime:#d9f44a;--lime-dark:#aabd20;--coral:#f27754;--muted:#707773;--line:#d8dcd5;--radius:12px;--shadow:0 16px 38px rgba(20,28,25,.10);--ease:all .25s ease}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;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(1200px,calc(100% - 48px));margin:auto}
.site-header{height:76px;background:rgba(246,245,240,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.header-inner{height:100%;display:flex;align-items:center;gap:36px}
.logo{font-size:20px;font-weight:900;letter-spacing:-1px;white-space:nowrap}
.logo i{display:inline-block;width:9px;height:9px;background:var(--lime-dark);margin:0 8px 3px 0;border-radius:50%}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.main-nav a{height:76px;display:flex;align-items:center;position:relative;color:#59615c;font-size:14px;font-weight:700}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--lime-dark)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:0 20px;border:1px solid transparent;border-radius:7px;font-weight:800;transition:var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#e6ff67;transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:#3d4541;transform:translateY(-2px)}
.btn-outline{border-color:#aeb5ae;color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--ink);background:var(--white)}
.btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
.menu-toggle{display:none;border:0;background:none;font-size:24px;color:var(--ink)}
.section{padding:82px 0}
.section.alt{background:var(--mist)}
.section.dark{background:var(--coal);color:var(--white)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.15;letter-spacing:-1.5px;margin:8px 0 0}
.section-head p{color:var(--muted);max-width:470px;margin:0}
.dark .section-head p{color:#b8c0ba}
.section-kicker{font-size:12px;letter-spacing:2px;font-weight:900;color:var(--lime-dark)}
.pill,.badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;font-size:12px;font-weight:800}
.pill{background:var(--lime);color:var(--ink)}
.badge{background:#edf0ea;color:#4d5751}
.badge.coral{background:#ffe0d6;color:#af4e35}
.page-intro{background:var(--coal);color:var(--white);padding:72px 0 66px;position:relative;overflow:hidden}
.page-intro:after{content:"";position:absolute;width:420px;height:420px;border:1px solid #4c5750;border-radius:50%;right:-80px;top:-170px;box-shadow:0 0 0 28px rgba(217,244,74,.04),0 0 0 58px rgba(217,244,74,.03)}
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;position:relative;z-index:1}
.page-intro h1{font-size:clamp(42px,6vw,70px);line-height:1.08;letter-spacing:-3px;margin:16px 0 20px}
.page-intro h1 span{color:var(--lime)}
.page-intro p{font-size:17px;color:#cbd1cc;max-width:620px;margin:0}
.match-summary{border:1px solid #59635c;background:#303835;padding:24px;transform:rotate(-1.5deg)}
.summary-line{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #505b53;padding:13px 0;color:#cbd1cc;font-size:13px}
.summary-line:last-child{border-bottom:0}
.summary-line strong{font-size:22px;color:var(--white)}
.summary-score{font-size:42px;font-weight:900;color:var(--lime);letter-spacing:3px}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.filter-bar label{font-weight:800;margin-right:4px}
.filter-bar select{border:1px solid var(--line);background:var(--white);border-radius:7px;padding:10px 32px 10px 13px;color:var(--ink)}
.focus-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
.focus-card{background:var(--ink);color:var(--white);padding:34px;min-height:300px;display:flex;flex-direction:column;justify-content:space-between}
.focus-card h3{font-size:clamp(28px,4vw,46px);line-height:1.18;max-width:620px;margin:18px 0}
.focus-card p{color:#bcc5be;max-width:600px}
.focus-side{background:var(--coral);padding:28px;display:flex;flex-direction:column;justify-content:space-between}
.focus-side strong{font-size:48px;line-height:1}
.focus-side small{font-weight:800}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.match-list{border-top:1px solid var(--line)}
.match-row{display:grid;grid-template-columns:110px 1fr 170px 100px;gap:20px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.match-row:hover{background:#f0f1eb;padding-left:14px;padding-right:14px}
.match-time{font-size:18px;font-weight:900}
.match-time small{display:block;font-size:12px;color:var(--muted);font-weight:600}
.match-row h3{font-size:19px;margin:0 0 5px}
.match-row p{color:var(--muted);font-size:13px;margin:0}
.row-arrow{font-size:22px;font-weight:900;text-align:right}
.data-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:18px}
.data-panel{background:#dfe8a3;padding:32px;display:flex;flex-direction:column;justify-content:space-between;min-height:270px}
.data-panel h3{font-size:24px;margin:0}
.data-value{font-size:66px;font-weight:900;line-height:1}
.data-value small{font-size:13px;display:block;line-height:1.5;margin-top:8px}
.metrics{background:var(--white);border:1px solid var(--line);padding:28px}
.metric{margin-bottom:24px}
.metric:last-child{margin-bottom:0}
.metric-head{display:flex;justify-content:space-between;font-weight:800;margin-bottom:9px}
.metric-head span:last-child{color:var(--muted);font-size:13px}
.progress{height:9px;background:#e5e8e1;border-radius:20px;overflow:hidden}
.progress i{height:100%;display:block;background:var(--coral);border-radius:20px}
.timeline{border-left:2px solid var(--lime-dark);padding-left:28px}
.timeline-item{position:relative;padding:0 0 27px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;width:11px;height:11px;background:var(--lime);border:3px solid var(--coal);border-radius:50%;left:-35px;top:7px}
.timeline-item time{font-size:12px;color:var(--muted)}
.timeline-item h3{font-size:18px;margin:5px 0}
.timeline-item p{font-size:13px;color:var(--muted);margin:0}
.editor-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.editor-main,.editor-side article{background:var(--white);border:1px solid var(--line);padding:28px}
.editor-main{min-height:250px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(140deg,#dfe7c6,#fff)}
.editor-main h3{font-size:30px;max-width:620px;margin:12px 0}
.editor-side{display:grid;gap:18px}
.editor-side article h3{font-size:18px;margin:13px 0 7px}
.editor-side article p{font-size:13px;color:var(--muted);margin:0}
.cta-strip{background:var(--lime);padding:34px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-inner h2{font-size:30px;margin:0;letter-spacing:-1px}
.site-footer{background:var(--coal);color:var(--white);padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer-brand p{color:#b8c0ba;max-width:300px;font-size:13px;margin-top:18px}
.site-footer h3{font-size:14px;margin:2px 0 16px}
.footer-links{display:grid;gap:9px}
.footer-links a{color:#b8c0ba;font-size:13px;transition:var(--ease)}
.footer-links a:hover{color:var(--lime);padding-left:4px}
.copyright{border-top:1px solid #4c5750;margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#98a39b;font-size:12px}
.empty-state{padding:42px 20px;text-align:center;border:1px dashed #b7beb6;color:var(--muted);background:rgba(255,255,255,.35)}
@media(max-width:1024px){.header-inner{gap:20px}.main-nav{gap:16px}.intro-grid{gap:35px}.match-row{grid-template-columns:90px 1fr 130px 50px}}
@media(max-width:768px){.container{width:min(100% - 32px,620px)}.site-header{height:66px}.main-nav{display:none;position:absolute;left:0;right:0;top:66px;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 16px 18px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav a{height:48px}.main-nav a.active:after{left:auto;width:5px;height:24px;top:12px;bottom:auto;right:0}.menu-toggle{display:block;margin-left:auto}.header-inner>.btn{min-height:38px;padding:0 13px;font-size:13px}.header-inner{gap:12px}.logo{font-size:17px}.page-intro{padding:54px 0}.intro-grid,.focus-layout,.data-layout,.editor-grid{grid-template-columns:1fr;gap:16px}.page-intro h1{letter-spacing:-2px}.section{padding:60px 0}.section-head{display:block}.section-head p{margin-top:14px}.match-row{grid-template-columns:78px 1fr 30px;gap:12px}.match-row .match-status{display:none}.match-row h3{font-size:16px}.focus-card{min-height:280px}.cta-inner{display:block}.cta-inner .btn{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}}
@media(max-width:520px){.container{width:calc(100% - 28px)}.page-intro h1{font-size:42px}.page-intro p{font-size:15px}.summary-score{font-size:34px}.filter-bar select{flex:1;min-width:120px}.match-row{padding:19px 0}.match-time{font-size:15px}.data-value{font-size:52px}.footer-grid{grid-template-columns:1fr}.site-footer{padding-top:45px}.copyright{font-size:11px}.cta-inner h2{font-size:25px}}