/* roulang page: index */
:root{
  --teal:#0b766f;
  --teal-dark:#07524f;
  --teal-soft:#dff1ed;
  --sand:#f3eadb;
  --orange:#d98945;
  --ink:#1c2928;
  --muted:#687572;
  --line:#dce7e3;
  --paper:#fbfcf8;
  --mint:#eef6f2;
  --white:#fff;
  --danger:#a85445;
  --radius:16px;
  --shadow:0 16px 44px rgba(21,65,60,.09);
  --shadow-sm:0 8px 22px rgba(21,65,60,.07);
  --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(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,252,248,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,227,.86)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 7px 16px rgba(11,118,111,.2)}
.brand-copy strong{display:block;font-size:17px;line-height:1.25;letter-spacing:.02em}
.brand-copy span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{padding:10px 12px;border-radius:10px;color:#52615e;font-size:14px;transition:.2s}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{background:var(--teal-soft);color:var(--teal-dark)}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-dark);width:42px;height:42px;border-radius:10px;font-size:20px}
.hero{padding:74px 0 54px;background:linear-gradient(135deg,#edf7f2 0%,#fbfcf8 62%,#f4ecdf 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal-dark);background:var(--teal-soft);padding:6px 11px;border-radius:999px;font-size:13px;font-weight:700}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:#34a895;display:block}
.hero h1{font-size:clamp(34px,4.4vw,56px);line-height:1.17;letter-spacing:-.04em;margin:20px 0 18px;max-width:680px}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero-lead{font-size:17px;color:#596966;max-width:650px;line-height:1.9}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:11px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s;border:1px solid transparent}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid rgba(11,118,111,.25);outline-offset:2px}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-dark)}
.btn-light{background:#fff;color:var(--teal-dark);border-color:var(--line)}
.btn-small{min-height:38px;padding:0 13px;font-size:13px}
.status-row{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.status-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:999px;padding:5px 10px}
.status-chip b{width:7px;height:7px;border-radius:50%;background:#39a98d}
.hero-panel{position:relative}
.panel-shell{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:var(--shadow);transform:rotate(1.2deg)}
.panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid var(--line)}
.panel-title{font-weight:800}
.panel-date{font-size:12px;color:var(--muted)}
.result-feature{margin:18px 0;padding:17px;background:var(--mint);border-radius:14px;border-left:4px solid var(--teal)}
.result-feature small{color:var(--muted);font-size:12px}
.result-feature strong{display:block;font-size:20px;margin:5px 0;color:var(--teal-dark)}
.number-row{display:flex;gap:8px;flex-wrap:wrap}
.number{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid #b9ddd5;color:var(--teal-dark);font-weight:800;font-size:13px}
.number.accent{background:var(--orange);color:#fff;border-color:var(--orange)}
.panel-list{display:grid;gap:10px}
.panel-list li{list-style:none;display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:13px}
.panel-list li:last-child{border-bottom:0}
.panel-list span{color:var(--muted)}
.section{padding:76px 0}
.section-tint{background:var(--mint)}
.section-sand{background:var(--sand)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:28px}
.section-kicker{font-size:12px;color:var(--teal);font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.section h2{font-size:clamp(25px,3vw,34px);line-height:1.3;margin-top:5px;letter-spacing:-.025em}
.section-intro{color:var(--muted);max-width:620px;font-size:14px}
.text-link{color:var(--teal-dark);font-weight:700;font-size:14px;white-space:nowrap}
.text-link:hover{text-decoration:underline}
.result-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}
.result-table{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:18px;background:#f7faf7;border-bottom:1px solid var(--line)}
.field{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}
.field select,.field input{border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 10px;color:var(--ink);min-height:38px}
.result-list{padding:4px 20px}
.result-item{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.result-item:last-child{border-bottom:0}
.item-title{font-weight:800;font-size:15px}
.item-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:5px;font-size:12px;color:var(--muted)}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700;background:var(--teal-soft);color:var(--teal-dark)}
.badge-warm{background:#f9eadc;color:#9b5b2d}
.badge-gray{background:#edf0ef;color:#6d7775}
.item-action{color:var(--teal);font-weight:700;font-size:13px}
.empty-state{padding:34px 12px;text-align:center;color:var(--muted)}
.quick-aside{background:var(--teal-dark);color:#fff;border-radius:var(--radius);padding:25px}
.quick-aside h3{font-size:19px;margin-bottom:11px}
.quick-aside p{color:#c5dfd9;font-size:13px;line-height:1.8}
.quick-stat{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0}
.quick-stat div{padding:13px;border:1px solid rgba(255,255,255,.16);border-radius:11px;background:rgba(255,255,255,.06)}
.quick-stat b{display:block;font-size:21px;color:#fff}
.quick-stat span{font-size:12px;color:#b9d4cf}
.announcement-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch}
.notice-board{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.notice-board h3{font-size:20px;margin-bottom:16px}
.timeline{position:relative;padding-left:23px}
.timeline:before{content:"";position:absolute;left:5px;top:7px;bottom:7px;width:1px;background:#b7d6d0}
.timeline-item{position:relative;padding:0 0 21px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-22px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px var(--teal-soft)}
.timeline-item time{color:var(--muted);font-size:12px}
.timeline-item strong{display:block;font-size:14px;margin:2px 0}
.timeline-item p{font-size:13px;color:var(--muted)}
.data-board{background:#173f3d;color:#fff;border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;justify-content:space-between}
.data-board h3{font-size:22px}
.data-board p{color:#bdd6d1;font-size:14px;margin-top:8px}
.data-lines{margin-top:30px;display:grid;gap:15px}
.data-line{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:11px;font-size:13px}
.data-line span{color:#afd0ca}
.history-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.history-caption{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line)}
.history-caption h3{font-size:18px}
.months{display:flex;gap:7px;overflow:auto;padding:14px 22px;border-bottom:1px solid var(--line)}
.months button{background:#f2f5f2;color:var(--muted);border-radius:8px;padding:8px 13px;white-space:nowrap}
.months button:hover,.months button.active{background:var(--teal);color:#fff}
.history-table{width:100%;border-collapse:collapse}
.history-table th,.history-table td{text-align:left;padding:15px 22px;border-bottom:1px solid var(--line);font-size:13px}
.history-table th{font-size:12px;color:var(--muted);font-weight:700;background:#f8faf8}
.history-table tr:last-child td{border-bottom:0}
.schedule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.schedule-card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--teal);padding:19px;border-radius:12px}
.schedule-card time{font-size:22px;font-weight:800;color:var(--teal-dark);display:block}
.schedule-card strong{display:block;margin:5px 0}
.schedule-card small{color:var(--muted);font-size:12px}
.chart-layout{display:grid;grid-template-columns:1fr .85fr;gap:20px}
.chart-card,.analysis-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.chart-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.chart-header h3,.analysis-card h3{font-size:18px}
.legend{font-size:12px;color:var(--muted)}
.bars{height:170px;display:flex;align-items:flex-end;gap:13px;padding:0 10px;border-bottom:1px solid var(--line)}
.bar-col{height:100%;flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px}
.bar{width:100%;max-width:34px;border-radius:7px 7px 0 0;background:#85c9bc;min-height:17px;transition:.2s}
.bar:hover{background:var(--teal)}
.bar-col span{font-size:11px;color:var(--muted)}
.analysis-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.analysis-row:last-child{border-bottom:0}
.rank{width:28px;height:28px;border-radius:8px;background:var(--teal-soft);display:grid;place-items:center;color:var(--teal-dark);font-weight:800}
.progress{height:7px;background:#edf2ef;border-radius:99px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--teal);border-radius:inherit}
.analysis-row small{color:var(--muted)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-card{border-radius:var(--radius);padding:25px;border:1px solid var(--line);background:#fff}
.compare-card.cool{background:#f5f6f2}
.compare-card h3{font-size:19px;margin-bottom:17px}
.compare-list{display:grid;gap:11px}
.compare-list li{list-style:none;display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:9px;font-size:13px}
.compare-list span{color:var(--muted)}
.rules-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}
.rule-intro{padding:28px;background:var(--teal);color:#fff;border-radius:var(--radius)}
.rule-intro h3{font-size:23px;line-height:1.4}
.rule-intro p{color:#c9e1dc;font-size:14px;margin-top:12px}
.rule-steps{display:grid;gap:10px}
.step{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--line);padding:16px;border-radius:12px}
.step-num{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--sand);color:#9b622e;font-weight:800}
.step strong{display:block;margin-bottom:3px}
.step p{font-size:13px;color:var(--muted)}
.channel-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.channel{background:#fff;border:1px solid var(--line);border-radius:13px;padding:19px;display:flex;justify-content:space-between;gap:15px;align-items:center;transition:.2s}
.channel:hover{border-color:#9bcfc5;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.channel h3{font-size:16px}
.channel p{font-size:12px;color:var(--muted);margin-top:3px}
.channel-status{font-size:11px;white-space:nowrap;color:var(--teal)}
.app-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center}
.app-copy h3{font-size:28px;line-height:1.35}
.app-copy p{color:var(--muted);margin:12px 0 20px}
.app-meta{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px}
.phone-preview{max-width:305px;margin:auto;border:8px solid #183f3c;border-radius:30px;background:#f8fbf8;box-shadow:var(--shadow);overflow:hidden}
.phone-bar{height:28px;background:#183f3c;color:#fff;font-size:10px;display:flex;justify-content:space-between;padding:5px 14px}
.phone-content{padding:18px}
.phone-brand{font-weight:800;color:var(--teal-dark);font-size:17px;margin-bottom:18px}
.phone-search{height:31px;border-radius:8px;background:#e4f0ec;color:#77918b;font-size:11px;padding:6px 10px}
.phone-result{padding:13px 0;border-bottom:1px solid #dce7e3}
.phone-result small{color:#82908d;font-size:10px}
.phone-result strong{display:block;font-size:12px;margin:3px 0}
.phone-result .mini-numbers{display:flex;gap:5px}
.mini-numbers i{font-style:normal;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;color:var(--teal-dark);background:#d9eee9;font-size:9px}
.phone-nav{display:flex;justify-content:space-around;border-top:1px solid #dce7e3;margin:15px -18px -18px;padding:12px 5px;color:#6d7c78;font-size:10px}
.phone-nav b{color:var(--teal)}
.news-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:20px}
.news-main,.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px}
.news-list{display:grid;gap:0}
.news-item{display:grid;grid-template-columns:86px 1fr;gap:16px;padding:17px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}
.news-date{color:var(--teal);font-weight:800;font-size:13px;padding-top:2px}
.news-item h3{font-size:15px}
.news-item p{font-size:13px;color:var(--muted);margin-top:3px}
.news-side h3{font-size:18px;margin-bottom:15px}
.topic-list{display:grid;gap:11px}
.topic-list a{display:flex;justify-content:space-between;gap:10px;padding:12px 13px;background:#f5f8f5;border-radius:9px;font-size:13px}
.topic-list a:hover{background:var(--teal-soft);color:var(--teal-dark)}
.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.help-card{padding:21px;background:#fff;border:1px solid var(--line);border-radius:13px}
.help-icon{width:34px;height:34px;border-radius:9px;background:var(--sand);color:#9b622e;display:grid;place-items:center;font-weight:800;margin-bottom:13px}
.help-card h3{font-size:16px}
.help-card p{font-size:13px;color:var(--muted);margin-top:5px}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:25px}
.faq-lead h3{font-size:25px;line-height:1.4}
.faq-lead p{color:var(--muted);margin-top:10px}
.faq-list{display:grid;gap:9px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:11px;padding:0 17px}
.faq-list summary{list-style:none;cursor:pointer;padding:15px 0;font-weight:700;font-size:14px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";float:right;color:var(--teal);font-size:20px;line-height:1}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{padding:0 0 16px;color:var(--muted);font-size:13px}
.disclaimer{margin-top:26px;padding:16px 18px;background:#f5f1e9;border-left:3px solid var(--orange);color:#72695d;font-size:12px;border-radius:8px}
.site-footer{background:#173f3d;color:#d7e8e3;padding:52px 0 23px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:28px;padding-bottom:34px}
.footer-brand strong{font-size:18px;color:#fff}
.footer-brand p{color:#a9c5bf;font-size:13px;margin-top:10px;max-width:300px}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:12px}
.footer-col a{display:block;color:#a9c5bf;font-size:13px;margin:7px 0}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#91ada8;font-size:12px}
@media(max-width:1024px){
  .nav-links a{padding:9px 8px;font-size:13px}
  .hero-grid{gap:35px}
  .schedule-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{width:min(100% - 30px,var(--max))}
  .navbar{height:68px}
  .menu-toggle{display:block}
  .nav-links{display:none;position:absolute;left:15px;right:15px;top:76px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow)}
  .nav-links.open{display:grid}
  .nav-links a{padding:12px}
  .nav-actions{display:none}
  .hero{padding:47px 0 40px}
  .hero-grid,.result-layout,.announcement-grid,.chart-layout,.rules-layout,.app-layout,.news-layout,.faq-layout{grid-template-columns:1fr}
  .hero h1{font-size:35px}
  .hero-panel{max-width:530px;margin:auto}
  .section{padding:53px 0}
  .section-head{display:block}
  .section-head .text-link{display:inline-block;margin-top:13px}
  .history-table{min-width:620px}
  .history-wrap{overflow:auto}
  .history-caption{min-width:620px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  body{font-size:14px}
  .brand-copy strong{font-size:15px}
  .brand-copy span{display:none}
  .hero h1{font-size:30px}
  .hero-lead{font-size:15px}
  .hero-buttons .btn{width:100%}
  .result-item{grid-template-columns:1fr}
  .result-list{padding:4px 15px}
  .filter-bar{display:grid}
  .field{justify-content:space-between}
  .field select,.field input{flex:1;min-width:0}
  .schedule-grid,.compare-grid,.channel-grid,.help-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr;gap:3px}
  .phone-preview{max-width:275px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:block}
  .footer-bottom span{display:block;margin-top:6px}
}

/* roulang page: category1 */
:root{
      --teal:#0b766f;
      --teal-dark:#07524f;
      --teal-soft:#dff1ed;
      --sand:#f3eadb;
      --orange:#d98945;
      --ink:#1c2928;
      --muted:#687572;
      --line:#dce7e3;
      --paper:#fbfcf8;
      --mint:#eef6f2;
      --white:#fff;
      --danger:#a85445;
      --radius:16px;
      --shadow:0 16px 44px rgba(21,65,60,.09);
      --shadow-sm:0 8px 22px rgba(21,65,60,.07);
      --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(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,252,248,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,227,.86)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{width:40px;height:40px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 7px 16px rgba(11,118,111,.2)}
    .brand-copy strong{display:block;font-size:17px;line-height:1.25;letter-spacing:.02em}
    .brand-copy span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:10px 12px;border-radius:10px;color:#52615e;font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{background:var(--teal-soft);color:var(--teal-dark)}
    .menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-dark);width:42px;height:42px;border-radius:10px;font-size:20px}
    .hero{padding:70px 0 54px;background:linear-gradient(135deg,#edf7f2 0%,#fbfcf8 62%,#f4ecdf 100%);border-bottom:1px solid var(--line)}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal-dark);background:var(--teal-soft);padding:6px 11px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:#34a895;display:block}
    .hero h1{font-size:clamp(34px,4.4vw,54px);line-height:1.18;letter-spacing:-.04em;margin:20px 0 18px;max-width:700px}
    .hero h1 em{font-style:normal;color:var(--teal)}
    .hero-lead{font-size:17px;color:#596966;max-width:680px;line-height:1.9}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:11px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s;border:1px solid transparent}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
    .btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid rgba(11,118,111,.25);outline-offset:2px}
    .btn-primary{background:var(--teal);color:#fff}
    .btn-primary:hover{background:var(--teal-dark)}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:var(--line)}
    .status-row{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .status-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:999px;padding:5px 10px}
    .status-chip b{width:7px;height:7px;border-radius:50%;background:#39a98d}
    .status-chip.wait b{background:var(--orange)}
    .hero-card,.panel,.filter-box,.notice-box,.help-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .hero-card{padding:26px;position:relative;overflow:hidden}
    .hero-card:after{content:"";position:absolute;width:180px;height:180px;right:-70px;top:-70px;border-radius:50%;background:var(--teal-soft)}
    .panel-title{font-size:17px;font-weight:800;position:relative;z-index:1}
    .mini-status{display:flex;justify-content:space-between;gap:12px;margin:20px 0 16px;color:var(--muted);font-size:12px}
    .sample-result{padding:18px;background:var(--mint);border-left:4px solid var(--teal);border-radius:12px;position:relative;z-index:1}
    .sample-result small{color:var(--muted);font-size:12px}
    .sample-result strong{display:block;color:var(--teal-dark);font-size:20px;margin:4px 0 8px}
    .number-row{display:flex;gap:8px;flex-wrap:wrap}
    .number{width:31px;height:31px;border-radius:50%;background:#fff;color:var(--teal-dark);display:grid;place-items:center;font-weight:800;font-size:13px;border:1px solid #cfe3dd}
    .panel-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px;position:relative;z-index:1}
    .panel-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px}
    .panel-list li:last-child{border-bottom:0}
    .panel-list span{color:var(--muted)}
    .section{padding:76px 0}
    .section-tint{background:var(--mint)}
    .section-sand{background:var(--sand)}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:28px}
    .section-kicker{font-size:12px;color:var(--teal);font-weight:800;letter-spacing:.12em}
    .section h2{font-size:clamp(25px,3vw,34px);line-height:1.3;margin:5px 0 0;letter-spacing:-.025em}
    .section-intro{color:var(--muted);max-width:650px;font-size:14px;margin:7px 0 0}
    .text-link{color:var(--teal-dark);font-weight:700;font-size:14px;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .panel{padding:24px}
    .filter-box{padding:18px;margin-bottom:20px}
    .filter-form{display:grid;grid-template-columns:1.1fr 1fr 1fr auto auto;gap:12px;align-items:end}
    .field label{display:block;color:var(--muted);font-size:12px;font-weight:700;margin-bottom:5px}
    .field input,.field select{width:100%;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 10px;color:var(--ink);min-height:42px}
    .result-list{padding:4px 20px}
    .result-item{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .result-item:last-child{border-bottom:0}
    .item-title{font-weight:800;font-size:16px}
    .item-summary{color:var(--muted);font-size:13px;margin:4px 0}
    .item-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:6px;font-size:12px;color:var(--muted)}
    .badge{display:inline-flex;align-items:center;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700;background:var(--teal-soft);color:var(--teal-dark)}
    .badge-warm{background:#f9eadc;color:#9b5b2d}
    .badge-gray{background:#edf0ef;color:#6d7775}
    .item-action{color:var(--teal);font-weight:700;font-size:13px}
    .empty-state{padding:42px 20px;text-align:center;color:var(--muted);font-size:14px}
    .empty-state strong{display:block;color:var(--ink);font-size:16px;margin-bottom:5px}
    .split-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .history-box{padding:26px;background:#173f3d;color:#fff;border-radius:var(--radius);min-height:235px}
    .history-box h3{margin:0;font-size:22px}
    .history-box p{color:#bdd6d1;font-size:14px;margin:10px 0 22px}
    .search-line{display:flex;gap:10px}
    .search-line input{flex:1;min-width:0;border:0;border-radius:10px;padding:11px 13px;color:var(--ink)}
    .search-line .btn{background:var(--orange);color:#fff}
    .quick-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .quick-link{padding:17px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:.2s}
    .quick-link:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#b8d7d0}
    .quick-link strong{display:block;font-size:15px}
    .quick-link span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
    .timeline{padding-left:27px}
    .timeline-item{position:relative;padding:0 0 25px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-22px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px var(--teal-soft)}
    .timeline-item:after{content:"";position:absolute;left:-18px;top:20px;bottom:0;border-left:1px dashed #b9d4ce}
    .timeline-item:last-child:after{display:none}
    .timeline-item time{color:var(--muted);font-size:12px}
    .timeline-item strong{display:block;font-size:15px;margin:2px 0}
    .timeline-item p{font-size:13px;color:var(--muted);margin:0}
    .info-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
    .info-card{padding:21px;background:#fff;border:1px solid var(--line);border-radius:13px}
    .info-icon{width:34px;height:34px;border-radius:10px;background:var(--teal-soft);color:var(--teal-dark);display:grid;place-items:center;font-weight:800;margin-bottom:12px}
    .info-card h3{font-size:16px;margin:0 0 5px}
    .info-card p{font-size:13px;color:var(--muted);margin:0}
    .notice-box{padding:24px;border-left:4px solid var(--orange)}
    .notice-box h3,.help-box h3{font-size:19px;margin:0 0 8px}
    .notice-box p,.help-box p{color:var(--muted);font-size:14px;margin:0}
    .faq-list{display:grid;gap:10px}
    details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px}
    summary{cursor:pointer;list-style:none;padding:17px 0;font-weight:800;position:relative;padding-right:30px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:2px;color:var(--teal);font-size:22px;font-weight:400;top:13px}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:0 0 17px}
    .site-footer{background:#173f3d;color:#e4f0ed;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:34px}
    .footer-brand strong{font-size:19px}
    .footer-brand p{color:#b9d0cc;font-size:13px;max-width:270px;margin-top:10px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:14px;color:#fff;margin:0 0 7px}
    .footer-col a{color:#b9d0cc;font-size:13px;transition:.2s}
    .footer-col a:hover{color:#fff;transform:translateX(2px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;border-top:1px solid rgba(220,240,235,.18);margin-top:38px;padding-top:18px;color:#9dbab5;font-size:12px}
    @media(max-width:1024px){
      .nav-links a{padding:9px 8px;font-size:13px}
      .hero-grid{gap:35px}
      .filter-form{grid-template-columns:1fr 1fr 1fr}
      .filter-form .btn{width:100%}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .navbar{height:68px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .hero{padding:52px 0 42px}
      .hero-grid,.split-grid{grid-template-columns:1fr}
      .hero h1{font-size:34px}
      .section{padding:54px 0}
      .section-head{display:block}
      .section-head .text-link{display:inline-block;margin-top:12px}
      .info-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      .brand-copy strong{font-size:15px}
      .brand-copy span{display:none}
      .filter-form{grid-template-columns:1fr}
      .quick-links{grid-template-columns:1fr}
      .result-item{grid-template-columns:1fr;gap:8px}
      .item-action{justify-self:start}
      .search-line{display:grid;grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .hero-buttons .btn{width:100%}
    }

/* roulang page: article */
:root{
      --teal:#0b766f;
      --teal-dark:#07524f;
      --teal-soft:#dff1ed;
      --sand:#f3eadb;
      --orange:#d98945;
      --ink:#1c2928;
      --muted:#687572;
      --line:#dce7e3;
      --paper:#fbfcf8;
      --mint:#eef6f2;
      --white:#fff;
      --danger:#a85445;
      --radius:16px;
      --shadow:0 16px 44px rgba(21,65,60,.09);
      --shadow-sm:0 8px 22px rgba(21,65,60,.07);
      --max:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      font-size:15px;
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--teal-dark)}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;max-width:100%;height:auto}
    ul,ol{margin:0;padding:0}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}

    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(251,252,248,.94);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(220,231,227,.86);
    }
    .navbar{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:26px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:var(--teal);
      color:#fff;
      font-size:18px;
      font-weight:800;
      box-shadow:0 7px 16px rgba(11,118,111,.2);
    }
    .brand-copy strong{display:block;font-size:17px;line-height:1.25;letter-spacing:.02em}
    .brand-copy span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{
      padding:10px 12px;
      border-radius:10px;
      color:#52615e;
      font-size:14px;
      transition:.2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover,
    .nav-links a:focus,
    .nav-links a.active{
      background:var(--teal-soft);
      color:var(--teal-dark);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:10px;
      background:var(--teal-soft);
      color:var(--teal-dark);
      font-size:20px;
    }
    .btn{
      min-height:46px;
      padding:0 19px;
      border:1px solid transparent;
      border-radius:11px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      font-size:14px;
      font-weight:700;
      transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
    .btn:focus-visible,
    .nav-links a:focus-visible,
    .menu-toggle:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(11,118,111,.25);
      outline-offset:2px;
    }
    .btn-primary{background:var(--teal);color:#fff}
    .btn-primary:hover{background:var(--teal-dark);color:#fff}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:var(--line)}
    .btn-small{min-height:38px;padding:0 13px;font-size:13px}

    .article-hero{
      padding:62px 0 48px;
      background:linear-gradient(135deg,#edf7f2 0%,#fbfcf8 68%,#f4ecdf 100%);
      border-bottom:1px solid var(--line);
    }
    .breadcrumb-line{
      display:flex;
      align-items:center;
      gap:9px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:13px;
      margin-bottom:24px;
    }
    .breadcrumb-line a{color:var(--teal-dark);font-weight:700}
    .breadcrumb-line .divider{color:#9aa9a5}
    .article-hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 300px;
      gap:48px;
      align-items:end;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--teal-dark);
      background:var(--teal-soft);
      padding:6px 11px;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .eyebrow i{
      width:7px;
      height:7px;
      display:block;
      border-radius:50%;
      background:#34a895;
    }
    .article-hero h1{
      max-width:860px;
      margin:18px 0 16px;
      font-size:clamp(32px,4.5vw,54px);
      line-height:1.22;
      letter-spacing:-.04em;
      overflow-wrap:anywhere;
    }
    .article-lead{
      max-width:790px;
      margin:0;
      color:#596966;
      font-size:16px;
      line-height:1.9;
    }
    .article-meta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-top:23px;
      color:var(--muted);
      font-size:13px;
    }
    .meta-dot{
      width:4px;
      height:4px;
      border-radius:50%;
      background:#a5b4b0;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:4px 10px;
      background:var(--teal-soft);
      color:var(--teal-dark);
      font-size:12px;
      font-weight:700;
    }
    .article-side-note{
      padding:22px;
      border:1px solid rgba(220,231,227,.95);
      border-radius:var(--radius);
      background:rgba(255,255,255,.7);
      box-shadow:var(--shadow-sm);
    }
    .article-side-note strong{
      display:block;
      margin-bottom:8px;
      font-size:16px;
    }
    .article-side-note p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }

    .article-main{padding:54px 0 78px}
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,780px) 300px;
      gap:42px;
      align-items:start;
    }
    .content-card,
    .summary-card,
    .notice-card,
    .related-card{
      background:var(--white);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
    }
    .content-card{padding:40px 48px}
    .content-heading{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding-bottom:20px;
      border-bottom:1px solid var(--line);
      margin-bottom:28px;
    }
    .content-heading h2,
    .summary-card h2,
    .notice-card h2,
    .related-card h2{
      margin:0;
      font-size:22px;
      line-height:1.35;
    }
    .content-heading span{
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .article-content{
      color:#3f4d4a;
      font-size:16px;
      line-height:2;
      overflow-wrap:anywhere;
    }
    .article-content h2{
      margin:34px 0 14px;
      padding-left:14px;
      border-left:4px solid var(--teal);
      color:var(--ink);
      font-size:24px;
      line-height:1.45;
    }
    .article-content h3{
      margin:27px 0 10px;
      color:var(--ink);
      font-size:19px;
      line-height:1.5;
    }
    .article-content p{margin:0 0 18px}
    .article-content ul,
    .article-content ol{
      margin:14px 0 22px;
      padding-left:24px;
    }
    .article-content li{margin:7px 0}
    .article-content blockquote{
      margin:24px 0;
      padding:17px 20px;
      border-left:4px solid var(--orange);
      border-radius:0 10px 10px 0;
      background:#fbf3e9;
      color:#6c5747;
    }
    .article-content table{
      width:100%;
      margin:22px 0;
      border-collapse:collapse;
      overflow:hidden;
      font-size:14px;
    }
    .article-content th,
    .article-content td{
      padding:11px 13px;
      border:1px solid var(--line);
      text-align:left;
      vertical-align:top;
    }
    .article-content th{background:var(--mint);color:var(--teal-dark)}
    .article-content img{margin:24px auto;border-radius:12px}

    .empty-state{
      padding:42px 20px;
      text-align:center;
      color:var(--muted);
      background:var(--mint);
      border-radius:12px;
    }
    .empty-state strong{display:block;margin-bottom:12px;color:var(--ink);font-size:18px}
    .empty-state a{color:var(--teal-dark);font-weight:700}

    .side-stack{display:grid;gap:18px}
    .summary-card,
    .notice-card,
    .related-card{padding:24px}
    .side-title{
      display:flex;
      align-items:center;
      gap:9px;
      margin-bottom:17px;
    }
    .side-title:before{
      content:"";
      width:5px;
      height:22px;
      border-radius:4px;
      background:var(--teal);
    }
    .key-list{display:grid;gap:12px}
    .key-list li{
      list-style:none;
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding-bottom:12px;
      border-bottom:1px dashed var(--line);
      color:#50605c;
      font-size:13px;
    }
    .key-list li:last-child{padding-bottom:0;border-bottom:0}
    .key-list b{
      flex:0 0 7px;
      width:7px;
      height:7px;
      margin-top:8px;
      border-radius:50%;
      background:var(--orange);
    }
    .notice-card{background:#fffaf3;border-color:#f0dfc8}
    .notice-card p{
      margin:0;
      color:#756452;
      font-size:13px;
      line-height:1.85;
    }
    .related-list{display:grid;gap:13px}
    .related-list a{
      display:block;
      padding:12px 0;
      border-bottom:1px solid var(--line);
      color:var(--teal-dark);
      font-size:14px;
      font-weight:700;
    }
    .related-list a:last-child{border-bottom:0;padding-bottom:0}
    .related-list a:hover{text-decoration:underline}
    .related-list small{
      display:block;
      margin-top:3px;
      color:var(--muted);
      font-size:12px;
      font-weight:400;
    }

    .article-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-top:28px;
      padding-top:24px;
      border-top:1px solid var(--line);
    }
    .article-bottom p{margin:0;color:var(--muted);font-size:13px}
    .article-actions{display:flex;gap:10px;flex-wrap:wrap}

    .site-footer{
      padding:54px 0 24px;
      background:#173f3d;
      color:#e8f3ef;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr 1fr 1fr 1fr;
      gap:36px;
      padding-bottom:38px;
    }
    .footer-brand strong{display:block;font-size:19px;margin-bottom:10px}
    .footer-brand p{
      max-width:280px;
      margin:0;
      color:#b9d2cd;
      font-size:13px;
      line-height:1.8;
    }
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{
      margin:0 0 8px;
      color:#fff;
      font-size:14px;
    }
    .footer-col a{
      width:max-content;
      max-width:100%;
      color:#b9d2cd;
      font-size:13px;
      transition:color .2s,transform .2s;
    }
    .footer-col a:hover{color:#fff;transform:translateX(2px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:20px;
      border-top:1px solid rgba(219,240,234,.18);
      color:#9fc0b9;
      font-size:12px;
      flex-wrap:wrap;
    }

    @media (max-width:1024px){
      .nav-links{gap:0}
      .nav-links a{padding:9px 8px;font-size:13px}
      .article-hero-grid{grid-template-columns:1fr 260px;gap:28px}
      .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:26px}
      .content-card{padding:34px}
      .footer-grid{gap:24px}
    }

    @media (max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{min-height:68px}
      .nav-actions{margin-left:auto}
      .menu-toggle{display:block}
      .nav-links{
        position:absolute;
        top:68px;
        left:16px;
        right:16px;
        display:none;
        padding:10px;
        flex-direction:column;
        align-items:stretch;
        background:rgba(255,255,255,.98);
        border:1px solid var(--line);
        border-radius:14px;
        box-shadow:var(--shadow);
      }
      .nav-links.is-open{display:flex}
      .nav-links a{padding:12px 13px}
      .article-hero{padding:42px 0 36px}
      .article-hero-grid{display:block}
      .article-side-note{margin-top:26px}
      .article-main{padding:34px 0 58px}
      .article-layout{display:block}
      .side-stack{margin-top:22px}
      .content-card{padding:27px 22px}
      .content-heading{align-items:flex-start;flex-direction:column;gap:7px}
      .article-content{font-size:15px;line-height:1.9}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}
      .article-bottom{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }

    @media (max-width:520px){
      .brand-copy strong{font-size:15px}
      .brand-copy span{font-size:10px}
      .brand-mark{width:36px;height:36px;border-radius:10px;font-size:16px}
      .article-hero h1{font-size:31px}
      .article-lead{font-size:15px}
      .article-meta{gap:7px;font-size:12px}
      .content-card{padding:23px 17px}
      .content-heading h2,.summary-card h2,.notice-card h2,.related-card h2{font-size:20px}
      .article-content h2{font-size:21px}
      .article-content h3{font-size:18px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }

/* roulang page: category2 */
:root{
      --teal:#0b766f;--teal-dark:#07524f;--teal-soft:#dff1ed;
      --sand:#f3eadb;--orange:#d98945;--ink:#1c2928;--muted:#687572;
      --line:#dce7e3;--paper:#fbfcf8;--mint:#eef6f2;--white:#fff;
      --danger:#a85445;--radius:16px;--shadow:0 16px 44px rgba(21,65,60,.09);
      --shadow-sm:0 8px 22px rgba(21,65,60,.07);--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(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--teal-dark)}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,252,248,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,227,.86)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{width:40px;height:40px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 7px 16px rgba(11,118,111,.2)}
    .brand-copy strong{display:block;font-size:17px;line-height:1.25;letter-spacing:.02em}
    .brand-copy span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{padding:10px 12px;border-radius:10px;color:#52615e;font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{background:var(--teal-soft);color:var(--teal-dark)}
    .menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-dark);width:42px;height:42px;border-radius:10px;font-size:20px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:11px;font-weight:700;font-size:14px;transition:.2s;border:1px solid transparent}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
    .btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,summary:focus-visible{outline:3px solid rgba(11,118,111,.25);outline-offset:2px}
    .btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal-dark);color:#fff}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:var(--line)}
    .page-intro{padding:62px 0 48px;background:linear-gradient(135deg,#edf7f2 0%,#fbfcf8 68%,#f4ecdf 100%);border-bottom:1px solid var(--line)}
    .intro-grid{display:grid;grid-template-columns:1fr .78fr;gap:54px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal-dark);background:var(--teal-soft);padding:6px 11px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:#34a895}
    h1{font-size:clamp(32px,4vw,51px);line-height:1.2;letter-spacing:-.04em;margin:18px 0 14px}
    h1 em{font-style:normal;color:var(--teal)}
    .intro-copy{font-size:17px;color:#596966;max-width:700px;line-height:1.9;margin:0}
    .intro-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .meta-box{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
    .meta-box small{display:block;color:var(--muted);font-size:12px}.meta-box strong{display:block;margin-top:4px;color:var(--teal-dark)}
    .section{padding:68px 0}.section-tint{background:var(--mint)}.section-sand{background:var(--sand)}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:27px}
    .section-kicker{font-size:12px;color:var(--teal);font-weight:800;letter-spacing:.12em}
    h2{font-size:clamp(25px,3vw,34px);line-height:1.3;margin:5px 0 0;letter-spacing:-.025em}
    h3{font-size:18px;margin:0 0 8px}.section-intro{color:var(--muted);max-width:650px;margin:8px 0 0}
    .surface{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .platform-list{overflow:hidden}
    .platform-row{display:grid;grid-template-columns:1.1fr 1.5fr auto;align-items:center;gap:22px;padding:22px 25px;border-bottom:1px solid var(--line)}
    .platform-row:last-child{border-bottom:0}
    .platform-name{font-weight:800;font-size:16px}.platform-name small{display:block;color:var(--muted);font-weight:400;font-size:12px;margin-top:3px}
    .platform-desc{color:var(--muted);font-size:13px}.status{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;white-space:nowrap}
    .status:before{content:"";width:8px;height:8px;border-radius:50%;background:#39a98d}.status-wait:before{background:var(--orange)}
    .status-muted:before{background:#9aa8a4}
    .status-label{background:var(--teal-soft);color:var(--teal-dark);border-radius:999px;padding:5px 9px}
    .status-label.wait{background:#f9eadc;color:#9b5b2d}.status-label.muted{background:#edf0ef;color:#687572}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .card{padding:25px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.2s}
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .icon-box{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--teal-soft);color:var(--teal-dark);font-weight:800;margin-bottom:17px}
    .card p{color:var(--muted);font-size:14px;margin:0}
    .check-list{list-style:none;padding:0;margin:17px 0 0;display:grid;gap:11px}
    .check-list li{position:relative;padding-left:25px;font-size:14px;color:#52615e}
    .check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:17px;height:17px;border-radius:50%;background:var(--teal-soft);color:var(--teal);font-size:11px;text-align:center;font-weight:800}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .step{padding:25px 22px;border-right:1px solid var(--line);position:relative}.step:last-child{border-right:0}
    .step-no{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em}.step p{color:var(--muted);font-size:13px;margin:8px 0 0}
    .verify{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:stretch}
    .verify-note{background:#173f3d;color:#fff;border-radius:var(--radius);padding:30px}
    .verify-note h3{font-size:23px}.verify-note p{color:#bdd6d1;font-size:14px}
    .verify-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.tag{padding:6px 10px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#d8eeea;font-size:12px}
    .info-table{padding:10px 25px}.info-line{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px dashed var(--line);font-size:14px}.info-line:last-child{border-bottom:0}.info-line span{color:var(--muted)}
    .faq{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    details{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:0 18px}
    summary{list-style:none;cursor:pointer;font-weight:700;padding:17px 0;color:var(--ink)}summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";float:right;color:var(--teal);font-size:19px}details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:13px;margin:0 0 17px}
    .notice{border-left:4px solid var(--orange);background:#fffaf3;border-radius:0 12px 12px 0;padding:18px 20px;color:#76583f;font-size:13px}
    .cta-band{padding:43px 0;background:var(--teal-dark);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.cta-band p{color:#bdd6d1;margin:7px 0 0}.cta-band .btn-light{border:0}
    .site-footer{padding:48px 0 20px;background:#173f3d;color:#dcece8}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:34px}.footer-brand strong{font-size:18px;color:#fff}.footer-brand p{color:#a9c6c0;font-size:13px;max-width:270px;margin-top:10px}.footer-col h3{color:#fff;font-size:14px;margin-bottom:12px}.footer-col a{display:block;color:#a9c6c0;font-size:13px;margin:7px 0;transition:.2s}.footer-col a:hover{color:#fff;padding-left:3px}.footer-bottom{border-top:1px solid rgba(220,236,232,.16);margin-top:34px;padding-top:17px;display:flex;justify-content:space-between;gap:16px;color:#91b2ab;font-size:12px}
    @media(max-width:1024px){.nav-links a{padding:9px 7px;font-size:13px}.intro-grid{gap:30px}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1.2fr repeat(3,1fr);gap:20px}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.navbar{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.brand-copy span{display:none}.page-intro{padding:44px 0 36px}.intro-grid,.split,.verify{grid-template-columns:1fr}.intro-meta{grid-template-columns:1fr 1fr}.section{padding:52px 0}.section-head{display:block}.platform-row{grid-template-columns:1fr;gap:8px;padding:19px}.platform-row .status{justify-self:start}.faq{grid-template-columns:1fr}.cta-inner{display:block}.cta-inner .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
    @media(max-width:520px){h1{font-size:32px}.intro-meta{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}.info-table{padding:8px 18px}.info-line{display:block}.info-line span{display:block;margin-top:3px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}

/* roulang page: category3 */
:root{
      --teal:#0b766f;
      --teal-dark:#07524f;
      --teal-soft:#dff1ed;
      --sand:#f3eadb;
      --orange:#d98945;
      --ink:#1c2928;
      --muted:#687572;
      --line:#dce7e3;
      --paper:#fbfcf8;
      --mint:#eef6f2;
      --white:#fff;
      --danger:#a85445;
      --radius:16px;
      --shadow:0 16px 44px rgba(21,65,60,.09);
      --shadow-sm:0 8px 22px rgba(21,65,60,.07);
      --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(--ink);
      background:var(--paper);
      line-height:1.75;
      font-size:15px;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--teal-dark)}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(251,252,248,.95);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(220,231,227,.86)
    }
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:40px;height:40px;border-radius:12px;background:var(--teal);color:#fff;
      display:grid;place-items:center;font-weight:800;font-size:18px;
      box-shadow:0 7px 16px rgba(11,118,111,.2)
    }
    .brand-copy strong{display:block;font-size:17px;line-height:1.25;letter-spacing:.02em}
    .brand-copy span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{
      padding:10px 12px;border-radius:10px;color:#52615e;font-size:14px;
      transition:.2s
    }
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{background:var(--teal-soft);color:var(--teal-dark)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;background:var(--teal-soft);color:var(--teal-dark);
      width:42px;height:42px;border-radius:10px;font-size:20px
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;min-height:46px;
      padding:0 19px;border-radius:11px;font-weight:700;font-size:14px;
      transition:transform .2s,box-shadow .2s,background .2s;border:1px solid transparent
    }
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
    .btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,
    input:focus-visible,select:focus-visible,summary:focus-visible{
      outline:3px solid rgba(11,118,111,.25);outline-offset:2px
    }
    .btn-primary{background:var(--teal);color:#fff}
    .btn-primary:hover{background:var(--teal-dark);color:#fff}
    .btn-light{background:#fff;color:var(--teal-dark);border-color:var(--line)}
    .btn-small{min-height:38px;padding:0 13px;font-size:13px}
    .page-head{
      padding:68px 0 54px;
      background:linear-gradient(135deg,#edf7f2 0%,#fbfcf8 66%,#f4ecdf 100%);
      border-bottom:1px solid var(--line)
    }
    .page-head-grid{display:grid;grid-template-columns:1fr 330px;gap:58px;align-items:end}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;color:var(--teal-dark);
      background:var(--teal-soft);padding:6px 11px;border-radius:999px;
      font-size:13px;font-weight:700
    }
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:#34a895;display:block}
    .page-head h1{
      font-size:clamp(32px,4.2vw,52px);line-height:1.2;letter-spacing:-.04em;
      margin:19px 0 16px;max-width:720px
    }
    .page-head h1 em{font-style:normal;color:var(--teal)}
    .page-lead{font-size:17px;color:#596966;max-width:700px;line-height:1.9;margin:0}
    .head-note{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      padding:22px;box-shadow:var(--shadow-sm)
    }
    .head-note strong{display:block;font-size:16px;margin-bottom:12px}
    .note-line{display:flex;justify-content:space-between;gap:15px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px}
    .note-line:last-child{border-bottom:0}
    .note-line span{color:var(--muted)}
    .state{color:var(--teal-dark);font-weight:700}
    .section{padding:70px 0}
    .section-tint{background:var(--mint)}
    .section-sand{background:var(--sand)}
    .section-head{
      display:flex;justify-content:space-between;align-items:flex-end;
      gap:24px;margin-bottom:27px
    }
    .section-kicker{font-size:12px;color:var(--teal);font-weight:800;letter-spacing:.12em}
    .section h2{font-size:clamp(25px,3vw,34px);line-height:1.3;margin:5px 0 0;letter-spacing:-.025em}
    .section-intro{color:var(--muted);max-width:650px;font-size:14px;margin:9px 0 0}
    .surface{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:var(--shadow-sm)
    }
    .filter-panel{padding:22px 24px;display:flex;align-items:end;gap:14px;flex-wrap:wrap}
    .field{display:flex;flex-direction:column;gap:5px;min-width:170px}
    .field label{font-size:12px;color:var(--muted);font-weight:700}
    .field input,.field select{
      border:1px solid var(--line);background:#fff;border-radius:9px;
      padding:8px 10px;color:var(--ink);min-height:42px
    }
    .field input:hover,.field select:hover{border-color:#9bcac2}
    .result-shell{display:grid;grid-template-columns:1.5fr .8fr;gap:24px}
    .record-table{width:100%;border-collapse:collapse}
    .record-table th,.record-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
    .record-table th{background:#f6faf8;color:var(--muted);font-size:12px;font-weight:700}
    .record-table td{font-size:14px}
    .record-table tr:last-child td{border-bottom:0}
    .empty-state{padding:42px 24px;text-align:center;color:var(--muted)}
    .empty-state b{display:block;color:var(--teal-dark);font-size:16px;margin-bottom:6px}
    .badge{
      display:inline-flex;align-items:center;border-radius:999px;padding:3px 9px;
      font-size:11px;font-weight:700;background:var(--teal-soft);color:var(--teal-dark)
    }
    .badge-warm{background:#f9eadc;color:#9b5b2d}
    .badge-gray{background:#edf0ef;color:#6d7775}
    .side-card{padding:24px}
    .side-card h3{font-size:19px;margin:0 0 13px}
    .side-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
    .side-list{padding:0;margin:0;display:grid;gap:12px}
    .side-list li{list-style:none;display:flex;gap:10px;font-size:13px;color:#52615e}
    .side-list li:before{content:"";width:7px;height:7px;background:var(--teal);border-radius:50%;margin-top:9px;flex:none}
    .trend-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px}
    .trend-board{padding:27px;background:#173f3d;color:#fff;border-radius:var(--radius)}
    .trend-board h3{font-size:21px;margin:0 0 7px}
    .trend-board p{color:#bdd6d1;font-size:13px;margin:0}
    .chart-area{height:190px;margin-top:25px;display:flex;align-items:end;gap:12px;border-bottom:1px solid rgba(255,255,255,.25);padding:0 10px}
    .bar{flex:1;background:#57b6a5;border-radius:7px 7px 0 0;min-height:25px;opacity:.86;transition:.2s}
    .bar:nth-child(2n){background:#d9a66f}
    .bar:hover{opacity:1;transform:translateY(-4px)}
    .chart-labels{display:flex;justify-content:space-between;color:#b4cfca;font-size:11px;margin-top:8px}
    .period-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
    .period-card h3{margin:0 0 17px;font-size:19px}
    .period-row{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);font-size:13px}
    .period-row:last-child{border-bottom:0}
    .period-row span{color:var(--muted)}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .compare-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
    .compare-card.warm{background:#fffaf4}
    .compare-card h3{margin:0 0 7px;font-size:19px}
    .compare-card p{color:var(--muted);font-size:13px;margin:0 0 18px}
    .stat-line{display:flex;align-items:center;gap:12px;margin:13px 0;font-size:13px}
    .stat-line span{width:78px;color:#52615e}
    .track{height:8px;flex:1;background:#e7efec;border-radius:99px;overflow:hidden}
    .fill{height:100%;background:var(--teal);border-radius:99px}
    .warm .fill{background:var(--orange)}
    .stat-line b{font-size:12px;color:var(--muted);width:35px;text-align:right}
    .explain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .explain-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .explain-card .icon{width:34px;height:34px;border-radius:10px;background:var(--teal-soft);color:var(--teal-dark);display:grid;place-items:center;font-weight:800;margin-bottom:14px}
    .explain-card h3{font-size:17px;margin:0 0 8px}
    .explain-card p{font-size:13px;color:var(--muted);margin:0}
    .article-layout{display:grid;grid-template-columns:1fr .75fr;gap:24px}
    .article-list{padding:7px 23px}
    .article-item{padding:18px 0;border-bottom:1px solid var(--line)}
    .article-item:last-child{border-bottom:0}
    .article-item h3{font-size:16px;margin:7px 0 3px}
    .article-item p{font-size:13px;color:var(--muted);margin:0}
    .article-meta{color:var(--muted);font-size:12px;display:flex;gap:10px}
    .cta-strip{padding:34px 0;background:var(--teal-dark);color:#fff}
    .cta-flex{display:flex;align-items:center;justify-content:space-between;gap:24px}
    .cta-flex h2{font-size:25px;margin:0 0 7px}
    .cta-flex p{color:#c5ded9;margin:0;font-size:14px}
    .cta-strip .btn-light{border:0}
    .faq-list{display:grid;gap:12px;max-width:850px}
    details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px}
    summary{cursor:pointer;list-style:none;padding:17px 4px;font-weight:700}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";float:right;color:var(--teal);font-size:20px}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;padding:0 4px 17px;margin:0}
    .risk{margin-top:22px;padding:18px 20px;border-left:4px solid var(--orange);background:#fff8ee;color:#6e5c4a;font-size:13px;border-radius:8px}
    .site-footer{background:#173f3d;color:#e8f3f0;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:34px}
    .footer-brand strong{font-size:18px}
    .footer-brand p{color:#b9d2cd;font-size:13px;max-width:260px;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:#b9d2cd;transition:.2s}
    .footer-col a:hover{color:#fff;transform:translateX(2px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(220,241,237,.18);margin-top:36px;padding-top:18px;color:#9fbdb7;font-size:12px}
    @media (max-width:1024px){
      .nav-links a{padding:9px 8px;font-size:13px}
      .page-head-grid{gap:32px}
      .result-shell,.trend-grid,.article-layout{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .navbar{height:68px}
      .menu-toggle{display:block}
      .nav-links{
        display:none;position:absolute;left:15px;right:15px;top:76px;
        padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;
        box-shadow:var(--shadow);flex-direction:column;align-items:stretch
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-actions{margin-left:auto}
      .page-head{padding:48px 0 40px}
      .page-head-grid{grid-template-columns:1fr;gap:25px}
      .page-head h1{font-size:34px}
      .section{padding:52px 0}
      .section-head{display:block}
      .section-head .text-link{display:inline-block;margin-top:13px}
      .filter-panel{display:grid;grid-template-columns:1fr 1fr}
      .field{min-width:0}
      .compare-grid,.explain-grid{grid-template-columns:1fr}
      .cta-flex{display:block}
      .cta-flex .btn{margin-top:20px}
    }
    @media (max-width:520px){
      body{font-size:14px}
      .brand-copy strong{font-size:15px}
      .brand-copy span{font-size:10px}
      .brand-mark{width:36px;height:36px}
      .page-head h1{font-size:29px}
      .page-lead{font-size:15px}
      .section h2{font-size:25px}
      .filter-panel{grid-template-columns:1fr;padding:18px}
      .filter-panel .btn{width:100%}
      .record-table{display:block;overflow-x:auto;white-space:nowrap}
      .record-table th,.record-table td{padding:13px 14px}
      .chart-area{gap:7px;height:150px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .footer-bottom{display:block;line-height:2}
      .footer-bottom span{display:block}
    }

/* roulang page: category4 */
:root{
  --teal:#0b766f;
  --teal-dark:#07524f;
  --teal-soft:#dff1ed;
  --sand:#f3eadb;
  --orange:#d98945;
  --ink:#1c2928;
  --muted:#687572;
  --line:#dce7e3;
  --paper:#fbfcf8;
  --mint:#eef6f2;
  --white:#fff;
  --danger:#a85445;
  --radius:16px;
  --shadow:0 16px 44px rgba(21,65,60,.09);
  --shadow-sm:0 8px 22px rgba(21,65,60,.07);
  --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(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,252,248,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,227,.86)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:26px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 7px 16px rgba(11,118,111,.2)}
.brand-copy strong{display:block;font-size:17px;line-height:1.25;letter-spacing:.02em}
.brand-copy span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{padding:10px 12px;border-radius:10px;color:#52615e;font-size:14px;transition:.2s}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{background:var(--teal-soft);color:var(--teal-dark)}
.menu-toggle{display:none;background:var(--teal-soft);color:var(--teal-dark);width:42px;height:42px;border-radius:10px;font-size:20px}
.page-intro{padding:70px 0 52px;background:linear-gradient(135deg,#edf7f2 0%,#fbfcf8 68%,#f4ecdf 100%);border-bottom:1px solid var(--line)}
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal-dark);background:var(--teal-soft);padding:6px 11px;border-radius:999px;font-size:13px;font-weight:700}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:#34a895}
h1{font-size:clamp(34px,4.4vw,54px);line-height:1.18;letter-spacing:-.04em;margin:19px 0 16px}
h1 em{font-style:normal;color:var(--teal)}
.lead{font-size:17px;color:#596966;max-width:680px;line-height:1.9}
.status-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px;color:var(--muted);font-size:12px}
.status-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:999px;padding:5px 10px}
.status-chip b{width:7px;height:7px;border-radius:50%;background:#39a98d}
.app-summary{background:#173f3d;color:#fff;border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.app-summary small{color:#bdd6d1}
.app-summary h2{font-size:24px;margin:10px 0 18px}
.app-lines{display:grid;gap:12px}
.app-line{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:13px}
.app-line:last-child{border-bottom:0}
.app-line span{color:#bdd6d1}
.section{padding:72px 0}
.section-tint{background:var(--mint)}
.section-sand{background:var(--sand)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:28px}
.section-kicker{font-size:12px;color:var(--teal);font-weight:800;letter-spacing:.12em}
h2{font-size:clamp(25px,3vw,34px);line-height:1.3;margin:5px 0 0;letter-spacing:-.025em}
.section-intro{color:var(--muted);max-width:650px;font-size:14px}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.preview-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center}
.device{width:270px;min-height:470px;margin:auto;padding:13px;border:8px solid #183d3a;border-radius:32px;background:#f8fbf8;box-shadow:var(--shadow)}
.device-top{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);padding:4px 8px 15px}
.device-search{border:1px solid var(--line);border-radius:9px;padding:10px;color:var(--muted);font-size:12px;background:#fff}
.device-card{margin-top:14px;padding:15px;border-radius:12px;background:var(--teal-soft)}
.device-card strong{display:block;color:var(--teal-dark);font-size:15px}
.device-card small{color:var(--muted);font-size:11px}
.device-list{margin-top:13px;display:grid;gap:8px}
.device-list div{padding:11px;border-radius:9px;background:#fff;border:1px solid var(--line);font-size:11px}
.device-bottom{display:flex;justify-content:space-around;margin-top:22px;padding-top:12px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.feature{padding:20px;background:#fff;border:1px solid var(--line);border-radius:13px}
.feature .icon{width:34px;height:34px;border-radius:10px;background:var(--teal-soft);color:var(--teal-dark);display:grid;place-items:center;font-weight:800;margin-bottom:12px}
.feature h3{font-size:17px;margin:0 0 6px}
.feature p{margin:0;color:var(--muted);font-size:13px}
.download-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.download-box{padding:28px}
.download-box h3{font-size:21px;margin:0 0 9px}
.download-box p{color:var(--muted);font-size:14px}
.qr-area{display:grid;grid-template-columns:112px 1fr;gap:20px;align-items:center;margin:22px 0}
.qr{width:112px;height:112px;border:8px solid #fff;outline:1px solid var(--line);background:repeating-linear-gradient(45deg,#173f3d 0 5px,#fff 5px 10px);display:grid;place-items:center}
.qr span{background:#fff;color:var(--teal-dark);font-size:11px;padding:4px;writing-mode:vertical-rl}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:11px;font-weight:700;font-size:14px;transition:.2s;border:1px solid transparent}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,summary:focus-visible{outline:3px solid rgba(11,118,111,.25);outline-offset:2px}
.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal-dark)}
.btn-light{background:#fff;color:var(--teal-dark);border-color:var(--line)}
.meta-list{display:grid;gap:0;margin:18px 0 0}
.meta-list div{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px dashed var(--line);font-size:13px}
.meta-list span{color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{position:relative;padding:25px 22px 23px;background:#fff;border:1px solid var(--line);border-radius:14px}
.step-number{color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.1em}
.step h3{font-size:18px;margin:10px 0 5px}.step p{color:var(--muted);font-size:13px;margin:0}
.version-table{width:100%;border-collapse:collapse;background:#fff}
.version-table th,.version-table td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);font-size:14px}
.version-table th{color:var(--muted);font-size:12px;font-weight:700;background:#f5faf7}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:3px 9px;font-size:11px;font-weight:700;background:var(--teal-soft);color:var(--teal-dark)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}
details+details{margin-top:12px}
summary{cursor:pointer;font-weight:700;color:var(--ink)}
details p{color:var(--muted);font-size:13px;margin:12px 0 2px}
.notice{border-left:4px solid var(--orange);background:#fffaf2;padding:18px 20px;color:#66584d;font-size:13px;border-radius:0 12px 12px 0}
.cta{padding:36px;background:#173f3d;color:#fff;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:24px}
.cta h2{margin:0;font-size:25px}.cta p{color:#bdd6d1;margin:8px 0 0;font-size:14px}
.site-footer{background:#173f3d;color:#fff;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}
.footer-brand strong{font-size:18px}.footer-brand p{color:#bdd6d1;font-size:13px;max-width:270px}
.footer-col h3{font-size:14px;margin:0 0 13px}.footer-col a{display:block;color:#bdd6d1;font-size:13px;margin:8px 0;transition:.2s}.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.15);padding-top:18px;margin-top:34px;color:#9fc0ba;font-size:12px}
@media(max-width:1024px){.nav-links a{padding:9px 7px;font-size:13px}.intro-grid{gap:30px}.footer-grid{grid-template-columns:1.3fr repeat(3,1fr)}}
@media(max-width:768px){.navbar{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:20px;right:20px;top:76px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.intro-grid,.preview-layout,.download-layout,.faq-grid{grid-template-columns:1fr}.page-intro{padding:52px 0 40px}.section{padding:54px 0}.steps{grid-template-columns:1fr}.feature-list{grid-template-columns:1fr}.device{width:250px}.cta{display:block}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){.container{width:min(var(--max),calc(100% - 28px))}h1{font-size:32px}.lead{font-size:15px}.section-head{display:block}.section-head .section-intro{margin-top:10px}.qr-area{grid-template-columns:92px 1fr}.qr{width:92px;height:92px}.version-table{display:block;overflow-x:auto;white-space:nowrap}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}