/* roulang page: index */
:root{
  --teal:#087f73;
  --teal-dark:#05645d;
  --teal-soft:#e5f3ef;
  --orange:#d9903d;
  --orange-soft:#fff2df;
  --ink:#172b2a;
  --text:#263331;
  --muted:#65736f;
  --line:#dce3df;
  --paper:#fffefa;
  --bg:#f6f5f1;
  --gray-soft:#eef1ef;
  --purple:#6b657b;
  --radius:16px;
  --shadow:0 14px 35px rgba(23,43,42,.08);
  --shadow-sm:0 5px 18px rgba(23,43,42,.06);
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none;transition:.2s ease}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{background:rgba(255,254,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;min-width:245px}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px}
.logo strong{display:block;font-size:17px;line-height:1.2;color:var(--ink)}
.logo small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.main-nav a{padding:9px 11px;border-radius:9px;color:#50605c;font-size:14px;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--teal);background:var(--teal-soft)}
.nav-note{font-size:13px;color:var(--teal);border:1px solid #b9ddd5;padding:7px 12px;border-radius:9px;white-space:nowrap}
.menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:24px}
.hero{padding:76px 0 62px;background:linear-gradient(135deg,#e8f4ef 0%,#f6f5f1 56%,#fff2df 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:58px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.12em;color:var(--teal);font-weight:800;text-transform:uppercase}
.hero h1{font-size:clamp(34px,4.5vw,52px);line-height:1.2;letter-spacing:-.04em;color:var(--ink);margin:14px 0 20px;max-width:700px}
.hero p{font-size:17px;color:var(--muted);max-width:680px}
.query-box{margin-top:30px;background:var(--paper);border:1px solid rgba(8,127,115,.18);box-shadow:var(--shadow);padding:10px;border-radius:14px;display:flex;gap:9px}
.query-box input,.query-box select{border:0;background:#f3f6f4;color:var(--text);padding:13px 14px;outline:0;min-width:0}
.query-box input{flex:1}
.query-box select{width:150px;border-left:1px solid var(--line)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s ease}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);box-shadow:0 8px 16px rgba(8,127,115,.2)}
.btn-light{background:var(--paper);border-color:var(--line);color:var(--teal)}
.btn-light:hover{border-color:var(--teal);background:var(--teal-soft)}
.hero-stats{display:grid;grid-template-columns:1fr;gap:12px}
.stat-card{background:rgba(255,254,250,.85);border:1px solid rgba(220,227,223,.95);padding:19px 20px;border-radius:14px}
.stat-card span{display:block;color:var(--muted);font-size:13px}
.stat-card strong{display:block;color:var(--ink);font-size:20px;margin-top:3px}
.status{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;padding:4px 9px;border-radius:20px}
.status:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.verified{color:var(--teal);background:var(--teal-soft)}
.pending{color:#a96b1e;background:var(--orange-soft)}
.changed{color:var(--purple);background:#eeeaf3}
.unknown{color:#68736f;background:var(--gray-soft)}
main{overflow:hidden}
.section{padding:76px 0}
.section.alt{background:#fbfaf7}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:26px}
.section h2{font-size:30px;line-height:1.3;color:var(--ink);margin-top:7px}
.section-intro{color:var(--muted);max-width:680px}
.text-link{color:var(--teal);font-weight:700;font-size:14px}
.text-link:hover{text-decoration:underline}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.status-band{display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
.band-item{padding:24px;border-right:1px solid var(--line)}
.band-item:last-child{border-right:0}
.band-item b{display:block;color:var(--ink);font-size:17px;margin:9px 0 3px}
.band-item p{color:var(--muted);font-size:13px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.query-list{padding:8px 22px}
.query-row{display:grid;grid-template-columns:1.1fr .8fr .9fr 1.4fr auto;gap:14px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
.query-row:last-child{border-bottom:0}
.query-row b{font-size:15px;color:var(--ink)}
.query-row small,.timeline small{display:block;color:var(--muted);font-size:12px}
.query-row p{font-size:13px;color:var(--muted)}
.locked{color:#88928e;font-size:13px}
.timeline{position:relative;padding:8px 0 8px 31px}
.timeline:before{content:"";position:absolute;left:8px;top:0;bottom:0;width:2px;background:#c7dfd9}
.timeline-item{position:relative;padding:0 0 28px 22px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-28px;top:7px;width:12px;height:12px;border:3px solid var(--teal);background:var(--paper);border-radius:50%}
.timeline-item h3{font-size:17px;color:var(--ink);margin:4px 0}
.timeline-item p{color:var(--muted);font-size:14px}
.timeline-date{color:var(--teal);font-size:12px;font-weight:800}
.device-panel{display:grid;grid-template-columns:180px 1fr;gap:30px;align-items:center;padding:30px}
.device{height:240px;border:7px solid var(--ink);border-radius:27px;background:#f0f7f4;padding:18px 12px;box-shadow:8px 8px 0 #d2e8e1}
.device-bar{height:9px;width:58px;border-radius:8px;background:#b3d7cf;margin:0 auto 26px}
.device-line{height:12px;background:#c4dfd8;border-radius:5px;margin:12px 0}
.device-line.short{width:65%}
.check-list{list-style:none;display:grid;gap:14px}
.check-list li{position:relative;padding-left:32px;color:var(--muted)}
.check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:21px;height:21px;display:grid;place-items:center;border-radius:6px;background:var(--teal-soft);color:var(--teal);font-weight:800}
.news-layout{display:grid;grid-template-columns:190px 1fr;gap:24px}
.news-date{background:var(--ink);color:#fff;border-radius:14px;padding:22px;height:max-content}
.news-date strong{font-size:34px;display:block;line-height:1}
.news-date span{color:#b5cbc5;font-size:13px}
.news-list{display:grid;gap:11px}
.news-item{display:grid;grid-template-columns:1fr auto;gap:18px;padding:19px 21px;background:var(--paper);border:1px solid var(--line);border-radius:13px}
.news-item:hover{border-color:#9ccbc2;background:#fcfffd}
.news-item h3{font-size:17px;color:var(--ink);margin:5px 0}
.news-item p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;white-space:nowrap}
.notice{padding:25px 28px;border-left:4px solid var(--orange);background:var(--orange-soft);border-radius:12px}
.notice h3{color:var(--ink);font-size:18px;margin-bottom:5px}
.notice p{color:#6e5a3f}
.risk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.risk-card{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:13px}
.risk-card strong{display:block;color:var(--ink);margin-bottom:6px}
.risk-card p{font-size:13px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{padding:22px 24px;border-top:2px solid var(--teal);position:relative}
.step:not(:last-child):after{content:"→";position:absolute;right:-9px;top:17px;background:var(--bg);color:var(--teal);font-size:22px;padding:0 4px}
.step-num{color:var(--teal);font-weight:800;font-size:13px}
.step h3{font-size:17px;color:var(--ink);margin:8px 0 4px}
.step p{font-size:13px;color:var(--muted)}
.faq{display:grid;gap:10px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:0 20px}
.faq details[open]{border-color:#acd5cd}
.faq summary{list-style:none;cursor:pointer;padding:18px 28px 18px 0;font-weight:700;color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:2px;color:var(--teal);font-size:22px;top:13px}
.faq details[open] summary:after{content:"−"}
.faq details p{color:var(--muted);font-size:14px;padding:0 0 18px;max-width:850px}
.feedback{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:start}
.feedback-copy p{color:var(--muted);margin-top:12px}
.form-card{padding:25px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fbfcfa;border-radius:9px;padding:11px 12px;color:var(--text);outline:0}
.field textarea{min-height:105px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(8,127,115,.12)}
.form-hint{font-size:12px;color:var(--muted);margin-top:12px}
.article-recs{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.rec{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:12px}
.rec:hover{border-color:var(--teal)}
.rec h3{font-size:16px;color:var(--ink);margin-bottom:7px}
.rec p{font-size:13px;color:var(--muted)}
.bottom-cta{padding:35px 40px;background:var(--ink);color:#fff;border-radius:18px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.bottom-cta h2{font-size:25px;margin-bottom:5px}
.bottom-cta p{color:#b9cbc6;font-size:14px}
.site-footer{background:var(--ink);color:#fff;margin-top:76px;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}
.footer-brand strong{font-size:18px}
.footer-brand p{color:#adc0bb;font-size:13px;max-width:300px;margin-top:12px}
.footer-col h3{font-size:14px;margin-bottom:13px;color:#d9ebe6}
.footer-col a{display:block;color:#9fb5af;font-size:13px;margin:7px 0}
.footer-col a:hover{color:#fff}
.footer-note{border-top:1px solid #38504c;padding-top:19px;color:#91aaa3;font-size:12px;display:flex;justify-content:space-between;gap:20px}
.empty-state{padding:35px;text-align:center;color:var(--muted);background:var(--paper);border:1px dashed #bdcbc6;border-radius:13px}
@media(max-width:1024px){
  .nav-wrap{gap:14px}.logo{min-width:210px}.main-nav a{padding:8px 7px;font-size:13px}.nav-note{display:none}
  .hero-grid{gap:32px}.query-row{grid-template-columns:1fr 1fr}.query-row p{grid-column:1/-1}
}
@media(max-width:768px){
  .container{width:min(100% - 36px,var(--max))}
  .site-header{position:relative}.nav-wrap{height:68px}.logo{min-width:0;flex:1}.logo strong{font-size:15px}.logo small{display:none}
  .menu-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--paper);padding:12px 18px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.hero{padding:52px 0 45px}.hero-grid,.two-col,.feedback{grid-template-columns:1fr}.hero h1{font-size:36px}.hero-stats{grid-template-columns:repeat(3,1fr)}.stat-card{padding:14px}.stat-card strong{font-size:16px}
  .section{padding:56px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}.status-band{grid-template-columns:1fr 1fr}.band-item:nth-child(2){border-right:0}.band-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .device-panel{grid-template-columns:130px 1fr;padding:22px;gap:20px}.device{height:200px}.risk-grid,.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-top-color:var(--orange)}.step:not(:last-child):after{display:none}
  .news-layout{grid-template-columns:1fr}.news-date{display:flex;align-items:center;gap:14px}.news-date strong{font-size:28px}.article-recs{grid-template-columns:1fr}.bottom-cta{display:block;padding:28px}.bottom-cta .btn{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr}.footer-note{display:block}.footer-note span{display:block;margin-top:8px}
}
@media(max-width:520px){
  .hero h1{font-size:31px}.hero p{font-size:15px}.query-box{display:grid}.query-box select{width:100%;border-left:0;border-top:1px solid var(--line)}.hero-stats{grid-template-columns:1fr}.stat-card{display:flex;justify-content:space-between;align-items:center}.status-band,.risk-grid,.steps,.form-grid{grid-template-columns:1fr}.band-item{border-right:0!important;border-bottom:1px solid var(--line)}.band-item:last-child{border-bottom:0}
  .query-row{display:block;padding:18px 0}.query-row>*{margin:5px 0}.query-row .locked{display:inline-block}.device-panel{grid-template-columns:1fr}.device{width:150px;margin:auto}.news-item{display:block}.news-meta{margin-top:10px}.footer-grid{grid-template-columns:1fr}.section h2{font-size:26px}
}

/* roulang page: category1 */
:root{
      --teal:#087f73;--teal-dark:#05645d;--teal-soft:#e5f3ef;
      --orange:#d9903d;--orange-soft:#fff2df;--ink:#172b2a;
      --text:#263331;--muted:#65736f;--line:#dce3df;--paper:#fffefa;
      --bg:#f6f5f1;--gray-soft:#eef1ef;--purple:#6b657b;
      --radius:16px;--shadow:0 14px 35px rgba(23,43,42,.08);
      --shadow-sm:0 5px 18px rgba(23,43,42,.06);--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.2s ease}
    a:hover{color:var(--teal)}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{background:rgba(255,254,250,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:25px}
    .logo{display:flex;align-items:center;gap:11px;min-width:245px}
    .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px}
    .logo strong{display:block;font-size:17px;line-height:1.2;color:var(--ink)}
    .logo small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:3px;flex:1}
    .main-nav a{padding:9px 10px;border-radius:9px;color:#50605c;font-size:14px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--teal);background:var(--teal-soft)}
    .nav-note{font-size:13px;color:var(--teal);border:1px solid #b9ddd5;padding:7px 12px;border-radius:9px;white-space:nowrap}
    .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:24px}
    .page-hero{padding:72px 0 64px;background:linear-gradient(135deg,#e8f4ef 0%,#f6f5f1 58%,#fff2df 100%);border-bottom:1px solid var(--line)}
    .hero-inner{max-width:820px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.12em;color:var(--teal);font-weight:800}
    h1,h2,h3{color:var(--ink);font-weight:800}
    h1{font-size:clamp(34px,4.5vw,50px);line-height:1.22;letter-spacing:-.04em;margin:15px 0 18px}
    h2{font-size:30px;line-height:1.3;margin:7px 0 12px}
    h3{font-size:18px;line-height:1.4;margin:0 0 8px}
    .page-hero p{font-size:17px;color:var(--muted);max-width:760px;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s ease}
    .btn-primary{background:var(--teal);color:#fff}
    .btn-primary:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 16px rgba(8,127,115,.2)}
    .btn-light{background:var(--paper);border-color:var(--line);color:var(--teal)}
    .btn-light:hover{border-color:var(--teal);background:var(--teal-soft)}
    main{overflow:hidden}
    .section{padding:72px 0}
    .section.alt{background:#fbfaf7}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
    .section-intro{color:var(--muted);max-width:700px;margin:0}
    .text-link{color:var(--teal);font-weight:700;font-size:14px}
    .text-link:hover{text-decoration:underline}
    .summary-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
    .summary-item{padding:24px;border-right:1px solid var(--line)}
    .summary-item:last-child{border-right:0}
    .summary-item span{display:block;color:var(--muted);font-size:13px}
    .summary-item strong{display:block;color:var(--ink);font-size:21px;margin:5px 0}
    .summary-item small{color:var(--muted)}
    .content-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;align-items:start}
    .panel,.notice,.guide-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .panel{padding:26px}
    .record-list{display:grid;gap:0}
    .record{display:grid;grid-template-columns:1.2fr .8fr 1fr 1.25fr;gap:16px;padding:19px 0;border-bottom:1px solid var(--line);align-items:center}
    .record:last-child{border-bottom:0}
    .record b{color:var(--ink);display:block}
    .record small{color:var(--muted);font-size:12px}
    .record p{font-size:13px;color:var(--muted);margin:0}
    .badge{display:inline-flex;align-items:center;gap:6px;width:max-content;padding:4px 9px;border-radius:7px;font-size:12px;font-weight:700}
    .badge:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
    .verified{color:var(--teal);background:var(--teal-soft)}
    .pending{color:#a66c25;background:var(--orange-soft)}
    .uncertain{color:#777b7a;background:var(--gray-soft)}
    .changed{color:var(--purple);background:#eeebf3}
    .notice{padding:24px;background:#fffaf0;border-color:#ead8b8}
    .notice h3{color:#825923}
    .notice p{color:#756551;font-size:14px;margin:0}
    .notice .badge{margin-bottom:13px}
    .timeline{border-left:2px solid #b8dcd5;margin:8px 0 0 12px;padding-left:25px}
    .timeline-item{position:relative;padding:0 0 27px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-33px;top:7px;width:12px;height:12px;border:3px solid var(--teal);background:var(--paper);border-radius:50%}
    .timeline-item time{font-size:12px;color:var(--teal);font-weight:700}
    .timeline-item h3{margin:4px 0}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .risk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .risk-card{padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:13px}
    .risk-card strong{display:block;color:var(--ink);margin-bottom:6px}
    .risk-card p{font-size:13px;color:var(--muted);margin:0}
    .check-list{list-style:none;padding:0;margin:0;display:grid;gap:13px}
    .check-list li{position:relative;padding:13px 15px 13px 45px;background:var(--gray-soft);border-radius:10px;color:var(--muted)}
    .check-list li:before{content:"✓";position:absolute;left:14px;top:12px;width:22px;height:22px;display:grid;place-items:center;border-radius:6px;background:var(--teal-soft);color:var(--teal);font-weight:800}
    .faq{display:grid;gap:10px}
    .faq details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:0 20px}
    .faq details[open]{border-color:#acd5cd}
    .faq summary{list-style:none;cursor:pointer;padding:18px 28px 18px 0;font-weight:700;color:var(--ink);position:relative}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";position:absolute;right:2px;color:var(--teal);font-size:22px;top:13px}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);font-size:14px;padding:0 0 18px;margin:0;max-width:850px}
    .return-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:27px 30px;background:var(--ink);border-radius:var(--radius);color:#fff}
    .return-bar h2{color:#fff;font-size:23px;margin:0 0 5px}
    .return-bar p{color:#b9c9c4;margin:0;font-size:14px}
    .return-actions{display:flex;gap:10px;flex-wrap:wrap}
    .return-actions .btn-light{background:transparent;border-color:#55716b;color:#d8ebe6}
    .site-footer{background:var(--ink);color:#dce8e4;padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}
    .footer-brand strong{font-size:18px;color:#fff}
    .footer-brand p{font-size:13px;color:#aebfba;max-width:270px;margin-top:12px}
    .footer-col{display:flex;flex-direction:column;gap:7px}
    .footer-col h3{font-size:14px;color:#fff;margin:0 0 8px}
    .footer-col a{color:#aebfba;font-size:13px}
    .footer-col a:hover{color:#fff}
    .footer-note{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #36504b;margin-top:40px;padding-top:18px;color:#93aaa4;font-size:12px}
    @media(max-width:1024px){
      .nav-wrap{gap:13px}.logo{min-width:215px}.main-nav a{padding:8px 7px;font-size:13px}
      .content-grid{grid-template-columns:1fr}.summary-grid{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)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 36px,var(--max))}
      .site-header{position:relative}.nav-wrap{height:68px;justify-content:space-between}.menu-toggle{display:block}
      .main-nav{display:none;position:absolute;left:0;right:0;top:68px;padding:12px 18px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:12px 13px}.nav-note{display:none}
      .page-hero{padding:52px 0 48px}.page-hero p{font-size:16px}
      .section{padding:52px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:13px}
      .record{grid-template-columns:1fr 1fr;gap:10px}.record p{grid-column:1/-1}
      .risk-grid{grid-template-columns:1fr}.return-bar{display:block;padding:24px}.return-actions{margin-top:18px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-note{display:block}.footer-note span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      h1{font-size:34px}.summary-grid{grid-template-columns:1fr}.summary-item{border-right:0;border-bottom:1px solid var(--line)!important}.summary-item:last-child{border-bottom:0!important}
      .panel{padding:20px}.record{grid-template-columns:1fr}.record p{grid-column:auto}
      .footer-grid{grid-template-columns:1fr}.hero-actions .btn{width:100%}
    }

/* roulang page: article */
:root{
      --teal:#087f73;
      --teal-dark:#05645d;
      --teal-soft:#e5f3ef;
      --orange:#d9903d;
      --orange-soft:#fff2df;
      --ink:#172b2a;
      --text:#263331;
      --muted:#65736f;
      --line:#dce3df;
      --paper:#fffefa;
      --bg:#f6f5f1;
      --gray-soft:#eef1ef;
      --purple:#6b657b;
      --radius:16px;
      --shadow:0 14px 35px rgba(23,43,42,.08);
      --shadow-sm:0 5px 18px rgba(23,43,42,.06);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.2s ease}
    a:hover{color:var(--teal)}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{background:rgba(255,254,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:245px}
    .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px}
    .logo strong{display:block;font-size:17px;line-height:1.2;color:var(--ink)}
    .logo small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:9px 11px;border-radius:9px;color:#50605c;font-size:14px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--teal);background:var(--teal-soft)}
    .nav-note{font-size:13px;color:var(--teal);border:1px solid #b9ddd5;padding:7px 12px;border-radius:9px;white-space:nowrap}
    .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:24px}
    main{overflow:hidden}
    .article-hero{padding:58px 0 42px;background:linear-gradient(135deg,#e8f4ef 0%,#f6f5f1 64%,#fff2df 100%);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px;margin-bottom:25px}
    .breadcrumb a{color:var(--teal)}
    .article-hero h1{max-width:880px;color:var(--ink);font-size:clamp(31px,4.2vw,50px);line-height:1.25;letter-spacing:-.035em;margin:0 0 20px;font-weight:800}
    .article-lead{max-width:800px;color:var(--muted);font-size:17px;margin:0}
    .article-meta{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:25px;padding-top:18px;border-top:1px solid rgba(220,227,223,.9);color:var(--muted);font-size:13px}
    .article-meta strong{color:var(--ink);font-weight:700}
    .status{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border-radius:7px;font-size:12px;font-weight:700}
    .status:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
    .status.pending{color:var(--orange);background:var(--orange-soft)}
    .status.checked{color:var(--teal);background:var(--teal-soft)}
    .status.change{color:var(--purple);background:#efedf3}
    .status.neutral{color:#68736f;background:var(--gray-soft)}
    .section{padding:68px 0}
    .section.alt{background:#fbfaf7}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:25px}
    .section-kicker{font-size:12px;letter-spacing:.12em;color:var(--teal);font-weight:800}
    .section h2{font-size:29px;line-height:1.3;color:var(--ink);margin:7px 0 0}
    .section-intro{color:var(--muted);max-width:700px}
    .article-layout{display:grid;grid-template-columns:minmax(0,780px) 300px;gap:42px;align-items:start}
    .reading-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:clamp(24px,4vw,46px);box-shadow:var(--shadow-sm)}
    .article-content{font-size:16px;line-height:1.95;color:var(--text)}
    .article-content h2{font-size:26px;line-height:1.4;color:var(--ink);margin:34px 0 13px}
    .article-content h3{font-size:20px;line-height:1.5;color:var(--ink);margin:27px 0 10px}
    .article-content p{margin:0 0 18px}
    .article-content ul,.article-content ol{padding-left:25px;margin:12px 0 22px}
    .article-content li{margin:7px 0}
    .article-content blockquote{margin:24px 0;padding:17px 20px;border-left:4px solid var(--teal);background:var(--teal-soft);color:#35544f;border-radius:0 10px 10px 0}
    .article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
    .article-content th,.article-content td{padding:11px 13px;border:1px solid var(--line);text-align:left}
    .article-content th{background:var(--gray-soft);color:var(--ink)}
    .side-stack{display:grid;gap:15px;position:sticky;top:102px}
    .side-card,.notice-card,.source-card,.empty-card{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:22px}
    .side-card h3,.notice-card h3,.source-card h3{font-size:17px;color:var(--ink);margin:0 0 10px}
    .side-card p,.notice-card p,.source-card p{font-size:14px;color:var(--muted);margin:0}
    .notice-card{border-left:4px solid var(--orange);background:#fffaf1}
    .source-card{border-left:4px solid var(--teal)}
    .notice-icon{font-size:21px;color:var(--orange);margin-bottom:8px}
    .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .info-card{padding:23px;background:var(--paper);border:1px solid var(--line);border-radius:14px}
    .info-card:hover{border-color:#9ccbc2;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
    .info-card h3{font-size:17px;color:var(--ink);margin:11px 0 7px}
    .info-card p{font-size:14px;color:var(--muted);margin:0}
    .info-mark{width:34px;height:34px;border-radius:10px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center;font-weight:800}
    .return-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:25px 28px;background:var(--ink);border-radius:16px;color:#fff}
    .return-bar p{margin:0;color:#cad8d4;font-size:14px}
    .return-actions{display:flex;gap:10px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s ease}
    .btn-primary{background:var(--teal);color:#fff}
    .btn-primary:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 16px rgba(8,127,115,.2)}
    .btn-light{background:var(--paper);border-color:var(--line);color:var(--teal)}
    .btn-light:hover{border-color:var(--teal);background:var(--teal-soft)}
    .faq{display:grid;gap:10px;max-width:850px}
    .faq details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:0 20px}
    .faq details[open]{border-color:#acd5cd}
    .faq summary{list-style:none;cursor:pointer;padding:18px 28px 18px 0;font-weight:700;color:var(--ink);position:relative}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";position:absolute;right:2px;color:var(--teal);font-size:22px;top:13px}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);font-size:14px;padding:0 0 18px;margin:0}
    .site-footer{background:var(--ink);color:#fff;padding:52px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand strong{font-size:18px}
    .footer-brand p{color:#b9cac5;font-size:13px;max-width:280px;margin-top:12px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:14px;color:#fff;margin:0 0 7px}
    .footer-col a{font-size:13px;color:#b9cac5}
    .footer-col a:hover{color:#fff}
    .footer-note{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.15);margin-top:35px;padding-top:18px;color:#9db1ac;font-size:12px}
    :focus-visible{outline:3px solid rgba(8,127,115,.35);outline-offset:3px}
    @media(max-width:1024px){
      .nav-wrap{gap:15px}.logo{min-width:215px}.main-nav a{padding:8px 7px;font-size:13px}.nav-note{display:none}
      .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:25px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 36px,var(--max))}
      .site-header{position:relative}.nav-wrap{height:70px}.menu-toggle{display:block;margin-left:auto}
      .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);padding:13px 18px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:12px 13px}.logo{min-width:0}.logo strong{font-size:15px}
      .article-hero{padding:42px 0 34px}.article-layout{display:block}.side-stack{position:static;margin-top:22px}
      .article-grid{grid-template-columns:1fr 1fr}.section{padding:52px 0}.return-bar{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      .article-hero h1{font-size:31px}.article-lead{font-size:15px}.article-meta{display:grid;gap:8px}
      .article-grid{grid-template-columns:1fr}.reading-card{padding:22px 19px}.article-content{font-size:15px}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}.footer-grid{grid-template-columns:1fr;gap:24px}
      .footer-note{display:block}.footer-note span{display:block;margin-bottom:8px}
    }

/* roulang page: category2 */
:root{
      --teal:#087f73;--teal-dark:#05645d;--teal-soft:#e5f3ef;
      --orange:#d9903d;--orange-soft:#fff2df;--ink:#172b2a;
      --text:#263331;--muted:#65736f;--line:#dce3df;--paper:#fffefa;
      --bg:#f6f5f1;--gray-soft:#eef1ef;--purple:#6b657b;
      --radius:16px;--shadow:0 14px 35px rgba(23,43,42,.08);
      --shadow-sm:0 5px 18px rgba(23,43,42,.06);--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.2s ease}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(8,127,115,.28);outline-offset:3px}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{background:rgba(255,254,250,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:245px}
    .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px}
    .logo strong{display:block;font-size:17px;line-height:1.2;color:var(--ink)}
    .logo small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:9px 11px;border-radius:9px;color:#50605c;font-size:14px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--teal);background:var(--teal-soft)}
    .nav-note{font-size:13px;color:var(--teal);border:1px solid #b9ddd5;padding:7px 12px;border-radius:9px;white-space:nowrap}
    .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:24px}
    main{overflow:hidden}
    .page-hero{padding:72px 0 64px;background:linear-gradient(135deg,#e8f4ef 0%,#f6f5f1 62%,#fff2df 100%);border-bottom:1px solid var(--line)}
    .hero-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:54px;align-items:end}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.12em;color:var(--teal);font-weight:800}
    h1{font-size:clamp(34px,4.8vw,52px);line-height:1.2;letter-spacing:-.04em;color:var(--ink);margin:14px 0 20px}
    .page-hero p{font-size:17px;color:var(--muted);max-width:730px;margin:0}
    .hero-aside{background:rgba(255,254,250,.8);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow-sm)}
    .hero-aside strong{display:block;color:var(--ink);font-size:17px;margin-bottom:9px}
    .hero-aside span{display:block;color:var(--muted);font-size:13px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s ease}
    .btn-primary{background:var(--teal);color:#fff}
    .btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);box-shadow:0 8px 16px rgba(8,127,115,.2)}
    .btn-light{background:var(--paper);border-color:var(--line);color:var(--teal)}
    .btn-light:hover{border-color:var(--teal);background:var(--teal-soft)}
    .section{padding:72px 0}
    .section.alt{background:#fbfaf7}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:26px}
    h2{font-size:30px;line-height:1.3;color:var(--ink);margin:7px 0 0}
    h3{color:var(--ink)}
    .section-intro{color:var(--muted);max-width:700px}
    .text-link{color:var(--teal);font-weight:700;font-size:14px}
    .text-link:hover{text-decoration:underline}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);overflow:hidden}
    .stat{padding:23px 25px;border-right:1px solid var(--line)}
    .stat:last-child{border-right:0}
    .stat span{display:block;color:var(--muted);font-size:13px}
    .stat strong{display:block;color:var(--ink);font-size:24px;margin-top:4px}
    .status-note{display:flex;gap:14px;align-items:flex-start;background:var(--orange-soft);border:1px solid #efd7b2;border-radius:14px;padding:18px 20px;color:#76552d}
    .status-note b{color:#62441f;white-space:nowrap}
    .record-panel{background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);overflow:hidden}
    .record-row{display:grid;grid-template-columns:1.1fr .8fr .9fr 1.5fr auto;gap:18px;align-items:center;padding:21px 24px;border-bottom:1px solid var(--line)}
    .record-row:last-child{border-bottom:0}
    .record-row b{color:var(--ink);font-size:16px}
    .record-row small{display:block;color:var(--muted);font-size:12px}
    .record-row p{margin:0;color:var(--muted);font-size:13px}
    .badge{display:inline-flex;align-items:center;gap:7px;border-radius:20px;padding:5px 10px;font-size:12px;font-weight:700;white-space:nowrap}
    .badge:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
    .badge-pending{color:var(--orange);background:var(--orange-soft)}
    .badge-neutral{color:#68736f;background:var(--gray-soft)}
    .badge-change{color:var(--purple);background:#eeeaf3}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .card{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:25px;box-shadow:var(--shadow-sm)}
    .card:hover{border-color:#9ccbc2}
    .card h3{font-size:19px;margin:0 0 9px}
    .card p{color:var(--muted);font-size:14px;margin:0}
    .timeline{border-left:2px solid #b9ddd5;margin:10px 0 0 12px;padding-left:27px}
    .timeline-item{position:relative;padding:0 0 27px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-35px;top:7px;width:12px;height:12px;border:3px solid var(--teal);background:var(--paper);border-radius:50%}
    .timeline-item time{color:var(--teal);font-size:12px;font-weight:800}
    .timeline-item h3{font-size:17px;margin:4px 0}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .check-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
    .check-list li{position:relative;padding-left:32px;color:var(--muted)}
    .check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:21px;height:21px;display:grid;place-items:center;border-radius:6px;background:var(--teal-soft);color:var(--teal);font-weight:800}
    .faq{display:grid;gap:10px}
    .faq details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:0 20px}
    .faq details[open]{border-color:#acd5cd}
    .faq summary{list-style:none;cursor:pointer;padding:18px 28px 18px 0;font-weight:700;color:var(--ink);position:relative}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";position:absolute;right:2px;color:var(--teal);font-size:22px;top:13px}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);font-size:14px;padding:0 0 18px;margin:0}
    .return-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;background:var(--ink);color:#fff;padding:27px 30px;border-radius:16px}
    .return-bar strong{font-size:19px}
    .return-bar p{color:#b9c9c4;margin:4px 0 0;font-size:13px}
    .return-actions{display:flex;gap:10px;flex-wrap:wrap}
    .return-actions .btn-light{background:transparent;border-color:#55706b;color:#fff}
    .site-footer{background:var(--ink);color:#d8e3df;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand strong{font-size:19px;color:#fff}
    .footer-brand p{color:#9fb3ad;max-width:280px;font-size:13px;margin-top:12px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{color:#fff;font-size:14px;margin:0 0 9px}
    .footer-col a{color:#9fb3ad;font-size:13px}
    .footer-col a:hover{color:#fff}
    .footer-note{border-top:1px solid #34504b;margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#8fa59f;font-size:12px}
    @media(max-width:1024px){.nav-wrap{gap:14px}.logo{min-width:215px}.main-nav a{padding:8px 7px;font-size:13px}.hero-layout{gap:30px}.record-row{grid-template-columns:1fr .8fr .8fr 1.3fr}}
    @media(max-width:768px){
      .container{width:min(100% - 36px,var(--max))}
      .nav-wrap{height:68px;justify-content:space-between}.menu-toggle{display:block}.nav-note{display:none}
      .main-nav{display:none;position:absolute;left:18px;right:18px;top:68px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow)}
      .main-nav.open{display:flex;flex-direction:column;align-items:stretch}.main-nav a{padding:12px 14px}
      .hero-layout,.two-col{grid-template-columns:1fr}.page-hero{padding:55px 0 48px}
      .hero-aside{max-width:none}.section{padding:55px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}
      .stats{grid-template-columns:repeat(2,1fr)}.stat{border-bottom:1px solid var(--line)}.stat:nth-child(2){border-right:0}.stat:nth-child(3),.stat:nth-child(4){border-bottom:0}
      .record-row{grid-template-columns:1fr 1fr;gap:10px}.record-row p{grid-column:1/-1}.record-row .text-link{justify-self:start}
      .return-bar{display:block;padding:24px}.return-actions{margin-top:18px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-note{display:block}.footer-note span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      h2{font-size:25px}.stats{grid-template-columns:1fr}.stat,.stat:nth-child(2),.stat:nth-child(3){border-right:0;border-bottom:1px solid var(--line)}.stat:last-child{border-bottom:0}
      .record-row{padding:18px}.card{padding:21px}.footer-grid{grid-template-columns:1fr}.logo strong{font-size:15px}.logo small{font-size:10px}
    }

/* roulang page: category3 */
:root{
      --teal:#087f73;--teal-dark:#05645d;--teal-soft:#e5f3ef;
      --orange:#d9903d;--orange-soft:#fff2df;--ink:#172b2a;
      --text:#263331;--muted:#65736f;--line:#dce3df;--paper:#fffefa;
      --bg:#f6f5f1;--gray-soft:#eef1ef;--purple:#6b657b;
      --radius:16px;--shadow:0 14px 35px rgba(23,43,42,.08);
      --shadow-sm:0 5px 18px rgba(23,43,42,.06);--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.2s ease}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{background:rgba(255,254,250,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:245px}
    .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px}
    .logo strong{display:block;font-size:17px;line-height:1.2;color:var(--ink)}
    .logo small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:9px 11px;border-radius:9px;color:#50605c;font-size:14px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--teal);background:var(--teal-soft)}
    .nav-note{font-size:13px;color:var(--teal);border:1px solid #b9ddd5;padding:7px 12px;border-radius:9px;white-space:nowrap}
    .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:24px}
    .hero{padding:78px 0 66px;background:linear-gradient(135deg,#e8f4ef 0%,#f6f5f1 58%,#fff2df 100%);border-bottom:1px solid var(--line)}
    .hero-content{max-width:820px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.12em;color:var(--teal);font-weight:800}
    h1,h2,h3,p{margin-top:0}
    .hero h1{font-size:clamp(35px,4.5vw,52px);line-height:1.2;letter-spacing:-.04em;color:var(--ink);margin:14px 0 20px}
    .hero p{font-size:17px;color:var(--muted);max-width:760px;margin-bottom:28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s ease}
    .btn-primary{background:var(--teal);color:#fff}
    .btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);box-shadow:0 8px 16px rgba(8,127,115,.2)}
    .btn-light{background:var(--paper);border-color:var(--line);color:var(--teal)}
    .btn-light:hover{border-color:var(--teal);background:var(--teal-soft)}
    main{overflow:hidden}
    .section{padding:72px 0}
    .section.alt{background:#fbfaf7}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
    .section h2{font-size:30px;line-height:1.3;color:var(--ink);margin:7px 0 0}
    .section-intro{color:var(--muted);max-width:700px}
    .status-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
    .status-item{padding:24px;border-right:1px solid var(--line)}
    .status-item:last-child{border-right:0}
    .status-item span{display:block;color:var(--muted);font-size:13px}
    .status-item strong{display:block;color:var(--ink);font-size:22px;margin-top:5px}
    .status-item em{font-style:normal;font-size:12px;color:var(--orange)}
    .device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .device-card,.notice,.timeline,.guide,.faq details,.return-bar{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}
    .device-card{padding:25px;transition:.2s ease}
    .device-card:hover{border-color:#9ccbc2;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
    .device-icon{width:46px;height:46px;border-radius:13px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center;font-size:21px;margin-bottom:18px}
    .device-card h3{font-size:19px;color:var(--ink);margin-bottom:8px}
    .device-card p{font-size:14px;color:var(--muted);min-height:72px}
    .meta{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:14px;color:var(--muted);font-size:12px}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:7px;font-size:12px;font-weight:700}
    .badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
    .verified{color:var(--teal);background:var(--teal-soft)}
    .pending{color:var(--orange);background:var(--orange-soft)}
    .unconfirmed{color:#707874;background:var(--gray-soft)}
    .notice{padding:27px 30px;display:flex;align-items:flex-start;gap:18px;border-left:4px solid var(--orange)}
    .notice-mark{font-size:23px;color:var(--orange)}
    .notice h3{font-size:19px;color:var(--ink);margin-bottom:6px}
    .notice p{color:var(--muted);margin-bottom:0}
    .timeline{padding:28px 34px}
    .timeline-item{position:relative;padding:0 0 27px 27px;border-left:1px solid #abd4cb}
    .timeline-item:last-child{padding-bottom:0;border-left-color:transparent}
    .timeline-item:before{content:"";position:absolute;left:-7px;top:5px;width:13px;height:13px;border:3px solid var(--teal);background:var(--paper);border-radius:50%}
    .timeline-item time{font-size:12px;color:var(--orange);font-weight:700}
    .timeline-item h3{font-size:17px;color:var(--ink);margin:4px 0}
    .timeline-item p{font-size:14px;color:var(--muted);margin-bottom:0}
    .guide{padding:27px}
    .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .guide-step{padding:18px;background:var(--gray-soft);border-radius:12px}
    .guide-step b{display:block;color:var(--teal);font-size:13px;margin-bottom:7px}
    .guide-step strong{display:block;color:var(--ink);margin-bottom:5px}
    .guide-step span{font-size:13px;color:var(--muted)}
    .check-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:13px 22px}
    .check-list li{position:relative;padding:15px 17px 15px 47px;background:var(--paper);border:1px solid var(--line);border-radius:12px;color:var(--muted)}
    .check-list li:before{content:"✓";position:absolute;left:16px;top:15px;width:22px;height:22px;display:grid;place-items:center;border-radius:6px;background:var(--teal-soft);color:var(--teal);font-weight:800}
    .faq{display:grid;gap:10px}
    .faq details{padding:0 20px}
    .faq details[open]{border-color:#acd5cd}
    .faq summary{list-style:none;cursor:pointer;padding:18px 28px 18px 0;font-weight:700;color:var(--ink);position:relative}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";position:absolute;right:2px;color:var(--teal);font-size:22px;top:13px}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);font-size:14px;padding:0 0 18px;margin-bottom:0;max-width:850px}
    .return-bar{padding:22px 25px;display:flex;justify-content:space-between;align-items:center;gap:18px}
    .return-bar strong{color:var(--ink)}
    .return-links{display:flex;gap:10px;flex-wrap:wrap}
    .text-link{color:var(--teal);font-weight:700;font-size:14px}
    .text-link:hover{text-decoration:underline}
    .site-footer{background:var(--ink);color:#dce8e3;padding:52px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand strong{font-size:19px;color:#fff}
    .footer-brand p{color:#aebfba;font-size:13px;max-width:270px;margin-top:12px}
    .footer-col h3{font-size:14px;color:#fff;margin-bottom:13px}
    .footer-col a{display:block;color:#aebfba;font-size:13px;margin:8px 0}
    .footer-col a:hover{color:#8fe0d0}
    .footer-note{border-top:1px solid rgba(220,232,227,.16);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#91a8a1;font-size:12px}
    @media(max-width:1024px){.nav-wrap{gap:15px}.logo{min-width:220px}.main-nav a{padding:8px 7px;font-size:13px}.nav-note{display:none}}
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 36px))}
      .nav-wrap{height:68px;justify-content:space-between}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:18px;right:18px;top:68px;background:var(--paper);padding:12px;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.hero{padding:55px 0 48px}.hero h1{font-size:36px}.hero p{font-size:16px}.section{padding:54px 0}.section-head{display:block}.section h2{font-size:26px;margin-bottom:8px}.status-strip,.device-grid,.guide-grid{grid-template-columns:1fr 1fr}.status-item:nth-child(2){border-right:0}.status-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.device-card p{min-height:auto}.check-list{grid-template-columns:1fr}.return-bar{display:block}.return-links{margin-top:15px}.footer-grid{grid-template-columns:1fr 1fr}.footer-note{display:block}.footer-note span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .logo{min-width:0}.logo strong{font-size:15px}.logo small{font-size:10px}.hero h1{font-size:31px}.hero-actions .btn{width:100%}.status-strip,.device-grid,.guide-grid{grid-template-columns:1fr}.status-item{border-right:0!important;border-bottom:1px solid var(--line)}.status-item:last-child{border-bottom:0}.notice{padding:21px}.timeline{padding:23px}.footer-grid{grid-template-columns:1fr}.site-footer{padding-top:40px}
    }

/* roulang page: category4 */
:root{--teal:#087f73;--teal-dark:#05645d;--teal-soft:#e5f3ef;--orange:#d9903d;--orange-soft:#fff2df;--ink:#172b2a;--text:#263331;--muted:#65736f;--line:#dce3df;--paper:#fffefa;--bg:#f6f5f1;--gray-soft:#eef1ef;--purple:#6b657b;--radius:16px;--shadow:0 14px 35px rgba(23,43,42,.08);--shadow-sm:0 5px 18px rgba(23,43,42,.06);--max:1200px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px}a{color:inherit;text-decoration:none;transition:.2s ease}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .site-header{background:rgba(255,254,250,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav-wrap{height:78px;display:flex;align-items:center;gap:28px}.logo{display:flex;align-items:center;gap:11px;min-width:245px}.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px}.logo strong{display:block;font-size:17px;line-height:1.2;color:var(--ink)}.logo small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.main-nav{display:flex;align-items:center;gap:4px;flex:1}.main-nav a{padding:9px 11px;border-radius:9px;color:#50605c;font-size:14px;white-space:nowrap}.main-nav a:hover,.main-nav a.active{color:var(--teal);background:var(--teal-soft)}.nav-note{font-size:13px;color:var(--teal);border:1px solid #b9ddd5;padding:7px 12px;border-radius:9px;white-space:nowrap}.menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:24px}
    main{overflow:hidden}.page-hero{padding:70px 0 58px;background:linear-gradient(135deg,#e8f4ef 0%,#f6f5f1 62%,#fff2df 100%);border-bottom:1px solid var(--line)}.eyebrow,.section-kicker{font-size:12px;letter-spacing:.12em;color:var(--teal);font-weight:800}.page-hero h1{font-size:clamp(34px,5vw,50px);line-height:1.2;letter-spacing:-.04em;color:var(--ink);max-width:760px;margin:14px 0 18px}.page-hero p{max-width:760px;color:var(--muted);font-size:17px;margin:0 0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s ease}.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px);box-shadow:0 8px 16px rgba(8,127,115,.2)}.btn-light{background:var(--paper);border-color:var(--line);color:var(--teal)}.btn-light:hover{border-color:var(--teal);background:var(--teal-soft)}
    .section{padding:70px 0}.section.alt{background:#fbfaf7}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:26px}.section h2{font-size:30px;line-height:1.3;color:var(--ink);margin:7px 0}.section-intro{color:var(--muted);max-width:690px}.text-link{color:var(--teal);font-weight:700;font-size:14px}.text-link:hover{text-decoration:underline}
    .summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.summary-card,.panel,.notice,.faq details,.news-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}.summary-card{padding:22px}.summary-card span{font-size:13px;color:var(--muted);display:block}.summary-card strong{font-size:24px;color:var(--ink);display:block;margin-top:5px}.summary-card em{font-style:normal;color:var(--orange);font-size:12px}
    .panel{padding:25px}.news-flow{display:grid;gap:13px}.news-card{display:grid;grid-template-columns:130px 1fr auto;gap:20px;align-items:center;padding:20px 22px}.news-card:hover{border-color:#9ccbc2;background:#fcfffd}.date-box{color:var(--teal);font-weight:800;font-size:14px}.date-box small{display:block;color:var(--muted);font-weight:400}.news-card h3{font-size:18px;color:var(--ink);margin:0 0 5px}.news-card p{margin:0;color:var(--muted);font-size:14px}.badge{display:inline-flex;align-items:center;gap:6px;border-radius:20px;padding:4px 10px;font-size:12px;font-weight:700;white-space:nowrap}.badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.verified{background:var(--teal-soft);color:var(--teal)}.pending{background:var(--orange-soft);color:#a76b22}.changed{background:#eeebf3;color:var(--purple)}.unknown{background:var(--gray-soft);color:#68736f}
    .notice{padding:22px 25px;border-left:4px solid var(--orange);background:#fffaf1}.notice h3{color:var(--ink);font-size:18px;margin:0 0 7px}.notice p{color:var(--muted);margin:0}.timeline{border-left:2px solid #b9ddd5;margin:4px 0 0 10px;padding-left:28px}.timeline-item{position:relative;padding:0 0 26px}.timeline-item:last-child{padding-bottom:0}.timeline-item:before{content:"";position:absolute;left:-36px;top:7px;width:12px;height:12px;border:3px solid var(--teal);background:var(--paper);border-radius:50%}.timeline-item h3{font-size:17px;color:var(--ink);margin:4px 0}.timeline-item p{font-size:14px;color:var(--muted);margin:0}.timeline-item time{font-size:12px;color:var(--teal);font-weight:700}
    .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.guide-card{padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:14px}.guide-card b{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:17px}.guide-card b span{width:28px;height:28px;border-radius:8px;background:var(--teal);color:#fff;display:grid;place-items:center}.guide-card p{font-size:13px;color:var(--muted);margin:12px 0 0}.faq{display:grid;gap:10px}.faq details{padding:0 20px}.faq details[open]{border-color:#acd5cd}.faq summary{list-style:none;cursor:pointer;padding:18px 28px 18px 0;font-weight:700;color:var(--ink);position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:2px;color:var(--teal);font-size:22px;top:13px}.faq details[open] summary:after{content:"−"}.faq details p{color:var(--muted);font-size:14px;padding:0 0 18px;margin:0;max-width:820px}.return-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:25px 28px;background:var(--ink);border-radius:var(--radius);color:#fff}.return-bar p{margin:0;color:#c7d6d1}.return-bar h2{font-size:22px;margin:0 0 4px}
    .site-footer{background:var(--ink);color:#d8e4e0;padding:52px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand strong{font-size:20px;color:#fff}.footer-brand p{color:#a9bbb5;max-width:280px;font-size:13px;margin-top:12px}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h3{font-size:14px;color:#fff;margin:0 0 8px}.footer-col a{font-size:13px;color:#a9bbb5}.footer-col a:hover{color:#fff}.footer-note{border-top:1px solid rgba(216,228,224,.16);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#91a7a0;font-size:12px}
    :focus-visible{outline:3px solid rgba(217,144,61,.55);outline-offset:3px}
    @media(max-width:1024px){.nav-wrap{gap:15px}.logo{min-width:220px}.main-nav a{padding:8px 7px;font-size:13px}.summary-grid{grid-template-columns:repeat(2,1fr)}.guide-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 36px))}.nav-wrap{height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 18px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav a{padding:13px 12px}.nav-note{display:none}.page-hero{padding:54px 0 45px}.page-hero h1{font-size:36px}.section{padding:52px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:12px}.news-card{grid-template-columns:1fr;gap:9px}.news-card .badge{width:max-content}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-note{display:block}.footer-note span{display:block;margin-bottom:7px}}
    @media(max-width:520px){.summary-grid,.guide-grid{grid-template-columns:1fr}.page-hero h1{font-size:32px}.page-hero p{font-size:15px}.panel{padding:18px}.return-bar{display:block;padding:22px}.return-bar .btn{margin-top:16px;width:100%}.footer-grid{grid-template-columns:1fr}.logo strong{font-size:15px}.logo small{font-size:10px}}