/* roulang page: index */
:root{
  --primary:#6251d9;
  --primary-dark:#493bb3;
  --primary-soft:#eeeafd;
  --mint:#43b99a;
  --mint-soft:#e6f7f2;
  --coral:#e68066;
  --ink:#25233a;
  --muted:#737188;
  --line:#e7e4f0;
  --surface:#fff;
  --bg:#f8f7fc;
  --deep:#29234d;
  --radius:18px;
  --shadow:0 14px 38px rgba(42,35,92,.08);
  --shadow-sm:0 6px 18px rgba(42,35,92,.06);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none;transition:.25s ease}
a:hover{color:var(--primary)}
button,input{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 44px));margin:auto}
.site-header{height:76px;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.header-inner{height:100%;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:11px;min-width:260px;font-weight:800;color:var(--ink);line-height:1.2}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:0 8px 18px rgba(98,81,217,.25)}
.logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
.main-nav{display:flex;align-items:center;gap:7px;flex:1}
.main-nav a{padding:9px 12px;border-radius:10px;font-size:14px;color:#5d5a70;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:700}
.header-action{padding:11px 18px;border-radius:11px;background:var(--primary);color:#fff;font-size:14px;font-weight:700;white-space:nowrap}
.header-action:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.menu-toggle{display:none;background:var(--primary-soft);color:var(--primary);width:44px;height:44px;border-radius:10px;font-size:22px}
.hero{padding:82px 0 76px;position:relative;overflow:hidden;background:linear-gradient(135deg,#faf9ff 0%,#f1effb 100%)}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.hero:before{width:420px;height:420px;background:#e4dffd;right:-140px;top:-170px;opacity:.55}
.hero:after{width:240px;height:240px;border:34px solid #d9f2eb;left:-100px;bottom:-130px;opacity:.7}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:center;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);background:var(--primary-soft);padding:6px 12px;border-radius:30px;font-size:13px;font-weight:700;margin-bottom:20px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint)}
.hero h1{font-size:clamp(36px,4.2vw,52px);line-height:1.2;letter-spacing:-1.5px;max-width:720px;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-copy{font-size:18px;color:var(--muted);max-width:650px;margin-bottom:30px}
.actions{display:flex;gap:13px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;font-weight:700;font-size:15px;border:1px solid transparent}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 20px rgba(98,81,217,.2)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary);border-color:#dcd8f4}
.btn-light:hover{background:var(--primary-soft);color:var(--primary)}
.hero-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow);position:relative}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.panel-head h2{font-size:18px}
.status{color:#318d76;background:var(--mint-soft);padding:5px 10px;border-radius:20px;font-size:12px;font-weight:700}
.route{display:flex;align-items:flex-start;gap:14px;padding:17px 0;border-top:1px solid var(--line)}
.route:first-of-type{border-top:0}
.route-icon{width:38px;height:38px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:800;flex:0 0 auto}
.route h3{font-size:16px;margin-bottom:3px}
.route p{font-size:13px;color:var(--muted)}
.route-arrow{margin-left:auto;color:#aaa5bf;font-size:20px}
.section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-kicker{color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.08em}
.section h2{font-size:30px;line-height:1.3;margin-top:6px}
.section-intro{color:var(--muted);max-width:610px}
.link-more{color:var(--primary);font-weight:700;font-size:14px}
.navigation-section{background:#fff}
.nav-layout{display:grid;grid-template-columns:1fr 330px;gap:26px}
.entry-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.entry-row{display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:center;padding:23px 26px;border-bottom:1px solid var(--line);transition:.25s}
.entry-row:last-child{border-bottom:0}
.entry-row:hover{background:#fcfbff;padding-left:30px}
.entry-number{font-size:22px;color:#b4addd;font-weight:800}
.entry-row h3{font-size:17px;margin-bottom:3px}
.entry-row p{font-size:13px;color:var(--muted)}
.entry-label{display:inline-block;font-size:12px;color:var(--primary);background:var(--primary-soft);border-radius:6px;padding:2px 7px;margin-right:8px}
.entry-side{background:var(--deep);color:#fff;border-radius:var(--radius);padding:29px}
.entry-side h3{font-size:21px;margin:12px 0 10px}
.entry-side p{color:#cbc7df;font-size:14px}
.side-mark{width:48px;height:48px;border-radius:15px;background:#8173e4;display:grid;place-items:center;font-size:22px}
.side-list{list-style:none;margin-top:24px}
.side-list li{padding:11px 0;border-top:1px solid rgba(255,255,255,.14);color:#e8e5f4;font-size:14px}
.download{background:#f0eefb}
.download-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:36px;align-items:center}
.device-art{min-height:300px;border-radius:25px;background:var(--deep);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.device-art:before{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.18);border-radius:50%}
.device-card{width:205px;height:245px;border-radius:22px;background:#fff;padding:18px;box-shadow:0 18px 32px rgba(0,0,0,.2);transform:rotate(-5deg);position:relative;z-index:1}
.device-card .app-symbol{width:48px;height:48px;border-radius:15px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:800;margin-bottom:25px}
.device-card strong{display:block;font-size:16px;margin-bottom:8px}
.device-card span{display:block;height:8px;background:#eceaf6;border-radius:5px;margin:9px 0;width:85%}
.download-copy h2{margin:7px 0 15px}
.download-copy>p{color:var(--muted);margin-bottom:22px}
.download-notes{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;color:var(--muted);font-size:13px}
.note{padding:7px 10px;background:#fff;border-radius:8px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:28px}
.step{padding:16px;background:#fff;border:1px solid var(--line);border-radius:13px}
.step b{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--primary);color:#fff;font-size:13px;margin-bottom:10px}
.step strong{display:block;font-size:14px;margin-bottom:3px}
.step span{font-size:12px;color:var(--muted)}
.news-layout{display:grid;grid-template-columns:1fr 280px;gap:36px}
.news-list{border-top:2px solid var(--ink)}
.news-item{display:grid;grid-template-columns:105px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.news-date{color:var(--coral);font-size:13px;font-weight:700}
.news-item h3{font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-item p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{display:inline-block;color:var(--primary);background:var(--primary-soft);font-size:12px;border-radius:5px;padding:2px 7px;margin-bottom:4px}
.news-go{color:var(--primary);font-weight:700;font-size:13px}
.news-aside{border-left:1px solid var(--line);padding-left:26px}
.news-aside h3{font-size:18px;margin-bottom:14px}
.news-aside ul{list-style:none}
.news-aside li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.empty-state{padding:28px 0;color:var(--muted);text-align:center;border-bottom:1px solid var(--line)}
.info-strip{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px 28px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.info-strip h3{font-size:19px;margin-bottom:4px}
.info-strip p{color:var(--muted);font-size:14px}
.faq{background:#f0eefb}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
.faq-list{border-top:1px solid #d8d3ee}
details{border-bottom:1px solid #d8d3ee;padding:18px 0}
summary{cursor:pointer;list-style:none;font-weight:700;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--primary);font-size:20px;line-height:1}
details[open] summary:after{content:"－"}
details p{color:var(--muted);font-size:14px;padding:12px 30px 0 0}
.cta{padding:65px 0;background:var(--primary);color:#fff}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}
.cta h2{font-size:28px;margin-bottom:7px}
.cta p{color:#e2defb}
.cta .btn-light{border:0}
.site-footer{background:#211d3c;color:#d9d6e8;padding:48px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
.footer-brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-desc{color:#aaa6c3;font-size:13px;max-width:300px}
.footer-title{font-size:14px;color:#fff;margin-bottom:14px}
.footer-links{list-style:none}
.footer-links li{margin:8px 0;color:#aaa6c3;font-size:13px}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;color:#918cae;font-size:12px;display:flex;justify-content:space-between;gap:16px}
:focus-visible{outline:3px solid rgba(98,81,217,.35);outline-offset:3px}
@media(max-width:1024px){
  .header-inner{gap:14px}.logo{min-width:220px}.main-nav{gap:0}
  .main-nav a{padding:8px 7px;font-size:13px}
  .hero-grid{gap:35px}.nav-layout{grid-template-columns:1fr 280px}
}
@media(max-width:768px){
  .site-header{height:68px}.logo{min-width:0;flex:1}.logo-text{font-size:14px}.logo-text small{display:none}.logo-mark{width:34px;height:34px}
  .main-nav{display:none;position:absolute;left:22px;right:22px;top:75px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.header-action{padding:10px 12px;font-size:13px}.menu-toggle{display:block}
  .hero{padding:57px 0 50px}.hero-grid,.nav-layout,.download-layout,.news-layout,.faq-layout{grid-template-columns:1fr}
  .hero h1{font-size:38px}.hero-copy{font-size:16px}.hero-panel{max-width:560px}
  .section{padding:58px 0}.section h2{font-size:26px}.section-head{align-items:start;flex-direction:column;gap:10px}
  .news-aside{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}
  .download-layout{gap:24px}.device-art{min-height:250px}.cta-inner{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}
}
@media(max-width:520px){
  .container{width:min(100% - 36px,var(--container))}
  .hero h1{font-size:32px;letter-spacing:-.8px}.hero-panel{padding:20px}.entry-row{grid-template-columns:35px 1fr;gap:11px;padding:18px}.entry-row .btn{grid-column:2;justify-self:start}
  .steps{grid-template-columns:1fr}.news-item{grid-template-columns:72px 1fr;gap:10px}.news-go{grid-column:2}.news-item h3{font-size:15px}
  .info-strip{align-items:flex-start;flex-direction:column;padding:21px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-brand{grid-column:1/-1}
  .cta h2{font-size:24px}
}

/* roulang page: article */
:root{
      --primary:#6251d9;
      --primary-dark:#493bb3;
      --primary-soft:#eeeafd;
      --mint:#43b99a;
      --mint-soft:#e6f7f2;
      --coral:#e68066;
      --ink:#25233a;
      --muted:#737188;
      --line:#e7e4f0;
      --surface:#fff;
      --bg:#f8f7fc;
      --deep:#29234d;
      --radius:18px;
      --shadow:0 14px 38px rgba(42,35,92,.08);
      --shadow-sm:0 6px 18px rgba(42,35,92,.06);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--primary)}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(98,81,217,.35);outline-offset:3px}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 44px));margin:auto}
    .site-header{height:76px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:260px;font-weight:800;color:var(--ink);line-height:1.2}
    .logo-mark{width:36px;height:36px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:0 8px 18px rgba(98,81,217,.25)}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:7px;flex:1}
    .main-nav a{padding:9px 12px;border-radius:10px;font-size:14px;color:#5d5a70;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:700}
    .header-action{padding:11px 18px;border-radius:11px;background:var(--primary);color:#fff;font-size:14px;font-weight:700;white-space:nowrap}
    .header-action:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
    .menu-toggle{display:none;background:var(--primary-soft);color:var(--primary);width:44px;height:44px;border-radius:10px;font-size:22px}
    .breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line)}
    .breadcrumb{margin:0;padding:17px 0;color:var(--muted);font-size:13px;display:flex;gap:9px;align-items:center;white-space:nowrap;overflow:hidden}
    .breadcrumb span:last-child{overflow:hidden;text-overflow:ellipsis}
    .article-shell{padding:64px 0 88px}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 290px;gap:58px;align-items:start}
    .article-main{min-width:0}
    .article-label{display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);color:var(--primary);border-radius:30px;padding:6px 13px;font-size:13px;font-weight:800;margin-bottom:18px}
    .article-label:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint)}
    .article-main h1{font-size:clamp(32px,4.2vw,48px);line-height:1.25;letter-spacing:-1px;margin:0 0 18px;color:var(--ink)}
    .article-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:13px;padding-bottom:26px;border-bottom:1px solid var(--line)}
    .article-meta strong{color:var(--primary);font-weight:700}
    .article-content{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:42px 48px;margin-top:30px;box-shadow:var(--shadow-sm);overflow:hidden}
    .article-content h2{font-size:27px;line-height:1.35;margin:34px 0 15px;color:var(--ink)}
    .article-content h3{font-size:20px;line-height:1.45;margin:27px 0 12px}
    .article-content p{margin:0 0 18px;color:#49465c;line-height:1.95}
    .article-content ul,.article-content ol{padding-left:25px;margin:15px 0 22px;color:#49465c}
    .article-content li{margin:8px 0}
    .article-content a{color:var(--primary);text-decoration:underline;text-decoration-color:#c8c2f2;text-underline-offset:3px}
    .article-content blockquote{margin:25px 0;padding:18px 22px;border-left:4px solid var(--primary);background:var(--primary-soft);border-radius:0 12px 12px 0;color:#514b83}
    .article-content img{border-radius:14px;margin:24px auto}
    .article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
    .article-content th,.article-content td{border:1px solid var(--line);padding:11px;text-align:left}
    .article-content th{background:var(--primary-soft);color:var(--primary)}
    .article-content code{background:#f0eef8;color:var(--primary-dark);padding:2px 6px;border-radius:5px}
    .not-found{padding:55px 20px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);color:var(--muted)}
    .not-found h2{margin:0 0 10px;color:var(--ink);font-size:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;font-weight:700;font-size:15px;border:1px solid transparent}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 20px rgba(98,81,217,.2)}
    .btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--primary);border-color:#dcd8f4}
    .btn-light:hover{background:var(--primary-soft);color:var(--primary)}
    .article-side{position:sticky;top:102px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:18px}
    .side-card h2{font-size:17px;margin:0 0 16px}
    .side-card p{font-size:13px;color:var(--muted);margin:0 0 18px}
    .side-links{list-style:none;padding:0;margin:0}
    .side-links li{border-top:1px solid var(--line)}
    .side-links a{display:flex;justify-content:space-between;gap:10px;padding:12px 0;font-size:14px}
    .side-links a:after{content:"›";color:#aaa5bf;font-size:18px}
    .article-bottom{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
    .related{padding:0 0 86px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:24px}
    .section-kicker{color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.08em}
    .section h2{font-size:28px;line-height:1.3;margin:6px 0 0}
    .related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .related-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px;transition:.25s}
    .related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .badge{display:inline-block;color:var(--primary);background:var(--primary-soft);font-size:12px;border-radius:5px;padding:2px 7px;margin-bottom:10px}
    .related-card h3{font-size:17px;line-height:1.5;margin:0 0 10px}
    .related-card p{font-size:13px;color:var(--muted);margin:0}
    .cta{padding:62px 0;background:var(--primary);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta h2{font-size:28px;margin:0 0 7px}
    .cta p{color:#e2defb;margin:0}
    .cta .btn-light{border:0}
    .site-footer{background:#211d3c;color:#d9d6e8;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
    .footer-brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:12px}
    .footer-desc{color:#aaa6c3;font-size:13px;max-width:300px;margin:0}
    .footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:8px 0}
    .footer-links a{color:#aaa6c3;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#8f8aa9;font-size:12px}
    @media(max-width:1024px){
      .logo{min-width:220px}.header-inner{gap:14px}.main-nav a{padding:8px 8px;font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:28px}
      .article-content{padding:34px}
    }
    @media(max-width:768px){
      .site-header{height:68px}.container{width:min(var(--container),calc(100% - 36px))}
      .logo{min-width:0;flex:1;font-size:14px}.logo-mark{width:34px;height:34px}.logo-text small{font-size:10px}
      .main-nav{display:none;position:absolute;left:18px;right:18px;top:76px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.header-action{padding:10px 12px;font-size:13px}.menu-toggle{display:block}
      .breadcrumb{padding:13px 0}.article-shell{padding:42px 0 60px}.article-layout{display:block}.article-side{position:static;margin-top:25px}
      .article-content{padding:25px 21px;margin-top:24px}.article-content h2{font-size:24px}.article-content p{line-height:1.85}
      .related{padding-bottom:60px}.related-list{grid-template-columns:1fr}.cta{padding:48px 0}.cta-inner{display:block}.cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}.logo-text{max-width:145px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .header-action{display:none}.article-main h1{font-size:30px;letter-spacing:-.5px}.article-meta{gap:8px 14px}
      .article-content{border-radius:14px}.footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category1 */
:root{
      --primary:#6251d9;--primary-dark:#493bb3;--primary-soft:#eeeafd;
      --mint:#43b99a;--mint-soft:#e6f7f2;--coral:#e68066;--ink:#25233a;
      --muted:#737188;--line:#e7e4f0;--surface:#fff;--bg:#f8f7fc;--deep:#29234d;
      --radius:18px;--shadow:0 14px 38px rgba(42,35,92,.08);
      --shadow-sm:0 6px 18px rgba(42,35,92,.06);--container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--primary)}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 44px));margin:auto}
    .site-header{height:76px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:260px;font-weight:800;color:var(--ink);line-height:1.2}
    .logo-mark{width:36px;height:36px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:0 8px 18px rgba(98,81,217,.25)}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:7px;flex:1}
    .main-nav a{padding:9px 12px;border-radius:10px;font-size:14px;color:#5d5a70;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:700}
    .header-action{padding:11px 18px;border-radius:11px;background:var(--primary);color:#fff;font-size:14px;font-weight:700;white-space:nowrap}
    .header-action:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
    .menu-toggle{display:none;background:var(--primary-soft);color:var(--primary);width:44px;height:44px;border-radius:10px;font-size:22px}
    .hero{padding:76px 0 70px;background:linear-gradient(135deg,#faf9ff,#f0eefb);position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;width:360px;height:360px;border:42px solid #dff4ed;border-radius:50%;right:-145px;bottom:-190px;opacity:.8}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center;position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);background:var(--primary-soft);padding:6px 13px;border-radius:30px;font-size:13px;font-weight:700;margin-bottom:20px}
    .eyebrow i{width:7px;height:7px;background:var(--mint);border-radius:50%}
    h1{font-size:clamp(35px,4.3vw,52px);line-height:1.2;letter-spacing:-1.5px;margin:0 0 20px}
    h1 em{font-style:normal;color:var(--primary)}
    .hero-copy{font-size:18px;color:var(--muted);max-width:670px;margin:0 0 28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;font-weight:700;font-size:15px;border:1px solid transparent}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 20px rgba(98,81,217,.2)}
    .btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--primary);border-color:#dcd8f4}
    .btn-light:hover{background:var(--primary-soft);color:var(--primary)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:27px;box-shadow:var(--shadow)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
    .panel-top strong{font-size:18px}
    .status{font-size:12px;color:#18866c;background:var(--mint-soft);padding:5px 9px;border-radius:20px}
    .panel-item{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
    .panel-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-weight:800}
    .panel-item h3{font-size:15px;margin:0 0 2px}
    .panel-item p{font-size:13px;color:var(--muted);margin:0}
    .section{padding:84px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-kicker{color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.08em}
    h2{font-size:30px;line-height:1.3;margin:6px 0 0}
    .section-intro{color:var(--muted);max-width:610px;margin:0}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:42px}
    .filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px}
    .filter{padding:8px 14px;border:1px solid var(--line);border-radius:30px;background:#fff;color:var(--muted);font-size:13px}
    .filter:hover,.filter.active{background:var(--primary-soft);border-color:#d8d1fb;color:var(--primary);font-weight:700}
    .news-list{border-top:2px solid var(--ink);background:#fff}
    .news-item{display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center;padding:22px 20px;border-bottom:1px solid var(--line)}
    .news-item:hover{background:#fcfbff}
    .news-date{font-size:13px;color:var(--muted)}
    .news-date strong{display:block;font-size:22px;color:var(--primary);line-height:1.2}
    .badge{display:inline-block;color:var(--primary);background:var(--primary-soft);font-size:12px;border-radius:5px;padding:2px 7px;margin-bottom:5px}
    .news-item h3{font-size:17px;margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .news-item p{font-size:13px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .arrow{font-size:21px;color:#aaa5bf}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:18px}
    .side-card h3{font-size:17px;margin:0 0 15px}
    .side-card p{font-size:14px;color:var(--muted);margin:0}
    .side-list{list-style:none;padding:0;margin:0}
    .side-list li{border-top:1px solid var(--line);padding:12px 0;font-size:14px}
    .side-list li:first-child{border-top:0}
    .side-link{display:flex;justify-content:space-between;gap:10px}
    .side-link span{color:var(--muted);font-size:12px}
    .notice{display:flex;gap:13px;align-items:flex-start;padding:18px;background:var(--mint-soft);border-radius:14px;color:#276e5e;font-size:14px;margin-top:22px}
    .notice b{color:#176551}
    .guide{background:#fff}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .guide-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}
    .guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#d7d1f5}
    .guide-number{color:var(--primary);font-size:13px;font-weight:800}
    .guide-card h3{font-size:18px;margin:10px 0 7px}
    .guide-card p{font-size:14px;color:var(--muted);margin:0}
    .faq{background:#f0eefb}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
    .faq-list{border-top:1px solid #d8d3ee}
    details{border-bottom:1px solid #d8d3ee;padding:17px 0}
    summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}
    summary:after{content:"＋";color:var(--primary);font-size:20px}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;margin:12px 28px 0 0}
    .cta{padding:62px 0;background:var(--primary);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta h2{font-size:28px;margin:0 0 7px}
    .cta p{color:#e2defb;margin:0}
    .site-footer{background:#211d3c;color:#d9d6e8;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
    .footer-brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:12px}
    .footer-desc{color:#aaa6c3;font-size:13px;max-width:300px}
    .footer-title{font-weight:700;color:#fff;margin-bottom:12px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:8px 0;font-size:13px;color:#aaa6c3}
    .footer-links a:hover{color:#fff;text-decoration:underline}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;color:#9691b1;font-size:12px}
    :focus-visible{outline:3px solid rgba(98,81,217,.35);outline-offset:3px}
    @media(max-width:1024px){.logo{min-width:220px}.header-inner{gap:12px}.main-nav a{padding:8px 8px}.hero-grid{gap:35px}.content-layout{grid-template-columns:1fr 270px}.faq-layout{gap:35px}}
    @media(max-width:768px){
      .site-header{height:auto;min-height:70px}.header-inner{min-height:70px;flex-wrap:wrap;padding:10px 0}.logo{min-width:0;flex:1}.logo-text{font-size:14px}.main-nav{display:none;order:4;flex-basis:100%;flex-direction:column;align-items:stretch;padding:8px 0 12px}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.header-action{padding:10px 13px;font-size:13px}.menu-toggle{display:block}.hero{padding:58px 0}.hero-grid,.content-layout,.faq-layout{grid-template-columns:1fr}.hero-copy{font-size:16px}.section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:12px}.side-card{margin-top:4px}.guide-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
    @media(max-width:520px){
      .container{width:min(var(--container),calc(100% - 36px))}h1{font-size:35px}.hero-panel{padding:21px}.news-item{grid-template-columns:72px 1fr auto;gap:10px;padding:18px 12px}.news-date strong{font-size:19px}.news-item h3{font-size:15px}.news-item p{font-size:12px}.arrow{font-size:18px}.footer-grid{grid-template-columns:1fr}.footer-brand{font-size:17px}}

/* roulang page: category2 */
:root{
      --primary:#6251d9;
      --primary-dark:#493bb3;
      --primary-soft:#eeeafd;
      --mint:#43b99a;
      --mint-soft:#e6f7f2;
      --coral:#e68066;
      --ink:#25233a;
      --muted:#737188;
      --line:#e7e4f0;
      --surface:#fff;
      --bg:#f8f7fc;
      --deep:#29234d;
      --radius:18px;
      --shadow:0 14px 38px rgba(42,35,92,.08);
      --shadow-sm:0 6px 18px rgba(42,35,92,.06);
      --container:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:var(--bg);
      line-height:1.7;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--primary)}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 44px));margin:auto}

    .site-header{
      height:76px;
      background:rgba(255,255,255,.94);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:blur(14px);
    }
    .header-inner{
      height:100%;
      display:flex;
      align-items:center;
      gap:30px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:258px;
      font-weight:800;
      color:var(--ink);
      line-height:1.2;
    }
    .logo:hover{color:var(--ink)}
    .logo-mark{
      width:36px;
      height:36px;
      border-radius:12px;
      background:var(--primary);
      color:#fff;
      display:grid;
      place-items:center;
      font-weight:900;
      font-size:18px;
      box-shadow:0 8px 18px rgba(98,81,217,.25);
    }
    .logo-text{font-size:15px}
    .logo-text small{
      display:block;
      color:var(--muted);
      font-size:11px;
      font-weight:600;
      margin-top:3px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:7px;
      flex:1;
    }
    .main-nav a{
      padding:9px 12px;
      border-radius:10px;
      font-size:14px;
      color:#5d5a70;
      white-space:nowrap;
    }
    .main-nav a:hover,.main-nav a.active{
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:700;
    }
    .header-action{
      padding:11px 18px;
      border-radius:11px;
      background:var(--primary);
      color:#fff;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .header-action:hover{
      background:var(--primary-dark);
      color:#fff;
      transform:translateY(-1px);
    }
    .menu-toggle{
      display:none;
      background:var(--primary-soft);
      color:var(--primary);
      width:44px;
      height:44px;
      border-radius:10px;
      font-size:22px;
    }
    a:focus-visible,button:focus-visible{
      outline:3px solid rgba(98,81,217,.35);
      outline-offset:3px;
    }

    .breadcrumb-bar{
      background:#fff;
      border-bottom:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
    }
    .breadcrumb-inner{
      min-height:48px;
      display:flex;
      align-items:center;
      gap:9px;
    }
    .breadcrumb-inner a:hover{text-decoration:underline}
    .breadcrumb-current{color:var(--primary);font-weight:700}

    .guide-hero{
      position:relative;
      overflow:hidden;
      padding:76px 0 72px;
      background:linear-gradient(135deg,#faf9ff 0%,#f0eefb 100%);
    }
    .guide-hero:before{
      content:"";
      position:absolute;
      width:390px;
      height:390px;
      right:-130px;
      top:-175px;
      border-radius:50%;
      background:#e1dcfa;
      opacity:.65;
    }
    .guide-hero:after{
      content:"";
      position:absolute;
      width:220px;
      height:220px;
      left:-120px;
      bottom:-150px;
      border:30px solid #d9f2eb;
      border-radius:50%;
      opacity:.75;
    }
    .hero-content{
      position:relative;
      z-index:1;
      max-width:850px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      background:var(--primary-soft);
      padding:6px 12px;
      border-radius:30px;
      font-size:13px;
      font-weight:700;
      margin-bottom:18px;
    }
    .eyebrow i{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--mint);
    }
    .guide-hero h1{
      margin:0 0 20px;
      max-width:800px;
      font-size:clamp(34px,4.5vw,52px);
      line-height:1.2;
      letter-spacing:-1.5px;
    }
    .guide-hero h1 em{
      color:var(--primary);
      font-style:normal;
    }
    .hero-copy{
      max-width:730px;
      margin:0;
      color:var(--muted);
      font-size:18px;
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }
    .hero-point{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border:1px solid #ddd8f2;
      border-radius:10px;
      background:rgba(255,255,255,.72);
      color:#5d5976;
      font-size:13px;
    }
    .hero-point b{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--mint);
    }

    .section{padding:82px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:25px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .section h2{
      font-size:30px;
      line-height:1.3;
      margin:6px 0 0;
    }
    .section-intro{
      color:var(--muted);
      max-width:610px;
      margin:8px 0 0;
    }

    .notice-strip{
      padding:17px 20px;
      border:1px solid #d7efe8;
      border-radius:14px;
      background:var(--mint-soft);
      color:#447c6d;
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:25px;
      font-size:14px;
    }
    .notice-icon{
      width:28px;
      height:28px;
      flex:0 0 28px;
      display:grid;
      place-items:center;
      border-radius:9px;
      color:#fff;
      background:var(--mint);
      font-weight:800;
    }

    .entry-groups{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
    }
    .entry-group{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .entry-group.primary-group{
      grid-column:1/-1;
      border-color:#d8d2f5;
      box-shadow:var(--shadow);
    }
    .group-head{
      padding:23px 25px 18px;
      background:#fcfbff;
      border-bottom:1px solid var(--line);
    }
    .group-head h3{
      margin:0 0 4px;
      font-size:19px;
    }
    .group-head p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .entry-item{
      display:grid;
      grid-template-columns:54px 1fr auto;
      gap:18px;
      align-items:center;
      padding:23px 25px;
      border-bottom:1px solid var(--line);
      transition:.25s ease;
    }
    .entry-item:last-child{border-bottom:0}
    .entry-item:hover{
      background:#fcfbff;
      padding-left:29px;
    }
    .entry-number{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:17px;
      font-weight:800;
    }
    .primary-group .entry-item:first-of-type .entry-number{
      background:var(--primary);
      color:#fff;
    }
    .entry-item h4{
      margin:0 0 3px;
      font-size:17px;
    }
    .entry-item p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .entry-meta{
      margin-top:7px;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:#9a96aa;
      font-size:12px;
    }
    .status-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--mint);
      display:inline-block;
    }
    .entry-link{
      display:inline-flex;
      align-items:center;
      gap:5px;
      padding:9px 13px;
      border-radius:10px;
      color:var(--primary);
      background:var(--primary-soft);
      font-size:13px;
      font-weight:700;
      white-space:nowrap;
    }
    .entry-link:hover{
      color:#fff;
      background:var(--primary);
      transform:translateY(-1px);
    }

    .choice-section{background:#fff}
    .choice-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:54px;
      align-items:center;
    }
    .choice-copy h2{margin-bottom:15px}
    .choice-copy>p{color:var(--muted);max-width:560px}
    .choice-list{
      list-style:none;
      padding:0;
      margin:24px 0 0;
    }
    .choice-list li{
      display:flex;
      gap:14px;
      padding:14px 0;
      border-bottom:1px solid var(--line);
    }
    .choice-list li:last-child{border-bottom:0}
    .check{
      flex:0 0 28px;
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:var(--primary-soft);
      border-radius:9px;
      font-weight:800;
    }
    .choice-list strong{display:block;font-size:15px;margin-bottom:2px}
    .choice-list span{display:block;color:var(--muted);font-size:13px}
    .route-card{
      position:relative;
      min-height:310px;
      padding:30px;
      border-radius:24px;
      color:#fff;
      overflow:hidden;
      background:var(--deep);
      box-shadow:var(--shadow);
    }
    .route-card:before{
      content:"";
      position:absolute;
      width:210px;
      height:210px;
      right:-70px;
      top:-90px;
      border:28px solid rgba(255,255,255,.1);
      border-radius:50%;
    }
    .route-card h3,.route-card p,.route-card .route-links{position:relative;z-index:1}
    .route-card h3{font-size:21px;margin:0 0 9px}
    .route-card p{color:#d2cdec;font-size:14px;margin:0 0 22px}
    .route-links{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .route-links a{
      padding:13px 14px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:11px;
      color:#f3f1fb;
      background:rgba(255,255,255,.06);
      font-size:13px;
    }
    .route-links a:hover{
      background:#fff;
      color:var(--primary);
    }

    .steps-section{background:#f0eefb}
    .steps{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .step{
      position:relative;
      padding:25px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
    }
    .step-no{
      display:block;
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      margin-bottom:18px;
    }
    .step h3{font-size:18px;margin:0 0 7px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .step:not(:last-child):after{
      content:"→";
      position:absolute;
      right:-17px;
      top:50%;
      z-index:2;
      color:var(--primary);
      font-size:22px;
      font-weight:700;
    }

    .faq{background:#fff}
    .faq-layout{
      display:grid;
      grid-template-columns:.7fr 1.3fr;
      gap:70px;
    }
    .faq-lead p{color:var(--muted);margin-top:14px}
    .faq-list{border-top:1px solid #d8d3ee}
    .faq-list details{
      border-bottom:1px solid #d8d3ee;
      padding:18px 0;
    }
    .faq-list summary{
      cursor:pointer;
      list-style:none;
      position:relative;
      padding-right:32px;
      font-weight:700;
      font-size:16px;
    }
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{
      content:"+";
      position:absolute;
      right:4px;
      top:-2px;
      color:var(--primary);
      font-size:22px;
      font-weight:400;
    }
    .faq-list details[open] summary:after{content:"−"}
    .faq-list details p{
      color:var(--muted);
      font-size:14px;
      margin:11px 32px 0 0;
    }

    .cta{
      padding:62px 0;
      background:var(--primary);
      color:#fff;
    }
    .cta-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:28px;
    }
    .cta h2{font-size:28px;margin:0 0 7px}
    .cta p{color:#e2defb;margin:0}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 20px;
      border-radius:12px;
      font-weight:700;
      font-size:15px;
      border:1px solid transparent;
      transition:.25s ease;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 9px 20px rgba(98,81,217,.2);
    }
    .btn-primary:hover{
      background:var(--primary-dark);
      color:#fff;
      transform:translateY(-2px);
    }
    .btn-light{
      background:#fff;
      color:var(--primary);
      border-color:#dcd8f4;
    }
    .btn-light:hover{background:var(--primary-soft);color:var(--primary)}
    .cta .btn-light{border:0}

    .site-footer{
      background:#211d3c;
      color:#d9d6e8;
      padding:48px 0 25px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:35px;
      padding-bottom:38px;
    }
    .footer-brand{
      font-size:18px;
      font-weight:800;
      color:#fff;
      margin-bottom:12px;
    }
    .footer-desc{
      color:#aaa6c3;
      font-size:13px;
      max-width:300px;
      margin:0;
    }
    .footer-title{
      color:#fff;
      font-size:14px;
      font-weight:700;
      margin-bottom:13px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
    }
    .footer-links li{margin:8px 0}
    .footer-links a{
      color:#aaa6c3;
      font-size:13px;
    }
    .footer-links a:hover{
      color:#fff;
      text-decoration:underline;
      text-underline-offset:4px;
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.12);
      padding-top:19px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:#8f8aa9;
      font-size:12px;
    }

    @media (max-width:1024px){
      .header-inner{gap:16px}
      .logo{min-width:220px}
      .main-nav a{padding:8px 8px;font-size:13px}
      .hero-content{max-width:760px}
      .choice-layout{gap:30px}
      .faq-layout{gap:35px}
    }
    @media (max-width:768px){
      .site-header{height:68px}
      .container{width:min(var(--container),calc(100% - 36px))}
      .logo{min-width:0;flex:1}
      .logo-text{font-size:14px}
      .logo-text small{font-size:10px}
      .main-nav{
        display:none;
        position:absolute;
        left:18px;
        right:18px;
        top:76px;
        padding:10px;
        background:#fff;
        border:1px solid var(--line);
        border-radius:15px;
        box-shadow:var(--shadow);
        flex-direction:column;
        align-items:stretch;
      }
      .main-nav.open{display:flex}
      .main-nav a{min-height:44px;display:flex;align-items:center}
      .header-action{padding:10px 12px;font-size:13px}
      .menu-toggle{display:block}
      .guide-hero{padding:58px 0 55px}
      .guide-hero h1{font-size:38px}
      .hero-copy{font-size:16px}
      .section{padding:58px 0}
      .section-head{display:block;margin-bottom:22px}
      .section h2{font-size:26px}
      .entry-groups{grid-template-columns:1fr}
      .entry-group.primary-group{grid-column:auto}
      .choice-layout,.faq-layout{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .step:not(:last-child):after{
        content:"↓";
        right:auto;
        left:50%;
        top:auto;
        bottom:-22px;
      }
      .route-card{min-height:0}
      .cta-inner{display:block}
      .cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 32px)}
      .logo-mark{width:34px;height:34px}
      .logo-text{max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .header-action{display:none}
      .main-nav{top:68px}
      .guide-hero h1{font-size:32px;letter-spacing:-.8px}
      .hero-points{display:grid;grid-template-columns:1fr}
      .entry-item{
        grid-template-columns:42px 1fr;
        gap:13px;
        padding:18px 16px;
      }
      .entry-item:hover{padding-left:18px}
      .entry-number{width:40px;height:40px;font-size:15px}
      .entry-link{
        grid-column:2;
        justify-self:start;
        margin-top:4px;
      }
      .group-head{padding:19px 16px 15px}
      .route-links{grid-template-columns:1fr}
      .step{padding:21px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
      .footer-brand{font-size:16px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }

/* roulang page: category3 */
:root{
      --primary:#6251d9;
      --primary-dark:#493bb3;
      --primary-soft:#eeeafd;
      --mint:#43b99a;
      --mint-soft:#e6f7f2;
      --coral:#e68066;
      --ink:#25233a;
      --muted:#737188;
      --line:#e7e4f0;
      --surface:#fff;
      --bg:#f8f7fc;
      --deep:#29234d;
      --radius:18px;
      --shadow:0 14px 38px rgba(42,35,92,.08);
      --shadow-sm:0 6px 18px rgba(42,35,92,.06);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--primary)}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 44px));margin:auto}
    .site-header{height:76px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .header-inner{height:100%;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;color:var(--ink);line-height:1.2}
    .logo-mark{width:36px;height:36px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:0 8px 18px rgba(98,81,217,.25)}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:7px;flex:1}
    .main-nav a{padding:9px 12px;border-radius:10px;font-size:14px;color:#5d5a70;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:700}
    .header-action{padding:11px 18px;border-radius:11px;background:var(--primary);color:#fff;font-size:14px;font-weight:700;white-space:nowrap}
    .header-action:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}
    .menu-toggle{display:none;background:var(--primary-soft);color:var(--primary);width:44px;height:44px;border-radius:10px;font-size:22px}
    :focus-visible{outline:3px solid rgba(98,81,217,.35);outline-offset:3px}
    .breadcrumb-bar{padding:18px 0;background:#fff;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}
    .breadcrumb-bar a{color:var(--primary)}
    .hero{padding:72px 0 68px;background:linear-gradient(135deg,#faf9ff 0%,#f1effb 100%);position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;width:390px;height:390px;border-radius:50%;background:#e2ddfa;right:-140px;top:-170px;opacity:.65}
    .hero:after{content:"";position:absolute;width:230px;height:230px;border:32px solid #d9f2eb;border-radius:50%;left:-100px;bottom:-135px;opacity:.7}
    .hero-grid{display:grid;grid-template-columns:1fr .88fr;gap:70px;align-items:center;position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);background:var(--primary-soft);padding:6px 12px;border-radius:30px;font-size:13px;font-weight:700;margin-bottom:18px}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,4vw,50px);line-height:1.22;letter-spacing:-1.5px;margin-bottom:20px}
    h1 em{font-style:normal;color:var(--primary)}
    .hero-copy{font-size:18px;color:var(--muted);max-width:650px;margin-bottom:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;font-weight:700;font-size:15px;border:1px solid transparent}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 20px rgba(98,81,217,.2)}
    .btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--primary);border-color:#dcd8f4}
    .btn-light:hover{background:var(--primary-soft);color:var(--primary)}
    .hero-note{display:flex;gap:22px;flex-wrap:wrap;margin-top:25px;color:var(--muted);font-size:13px}
    .hero-note span{display:flex;align-items:center;gap:7px}
    .hero-note b{width:8px;height:8px;border-radius:50%;background:var(--mint)}
    .download-visual{background:var(--deep);border-radius:26px;padding:32px;min-height:330px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .download-visual:after{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-70px;bottom:-70px}
    .visual-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
    .visual-label{font-size:13px;color:#c9c3e7}
    .status{color:#94dfc9;background:rgba(67,185,154,.14);padding:6px 10px;border-radius:20px;font-size:12px}
    .app-preview{display:flex;align-items:center;gap:22px;position:relative;z-index:1}
    .app-icon{width:74px;height:74px;border-radius:22px;background:var(--primary);display:grid;place-items:center;font-size:31px;font-weight:900;box-shadow:0 12px 25px rgba(0,0,0,.2)}
    .app-preview h2{font-size:24px;margin-bottom:6px;color:#fff}
    .app-preview p{font-size:13px;color:#c9c3e7;margin-bottom:0}
    .visual-lines{margin-top:34px;position:relative;z-index:1}
    .visual-lines span{height:9px;background:rgba(255,255,255,.13);display:block;border-radius:10px;margin:12px 0}
    .visual-lines span:nth-child(1){width:82%}.visual-lines span:nth-child(2){width:62%}.visual-lines span:nth-child(3){width:72%}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-kicker{color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.08em}
    .section h2{font-size:30px;line-height:1.3;margin:6px 0 0}
    .section-intro{color:var(--muted);max-width:620px}
    .download-panel{background:var(--primary-soft);border:1px solid #ddd8f6;border-radius:24px;padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:stretch}
    .download-card{background:#fff;border-radius:18px;padding:28px;box-shadow:var(--shadow-sm)}
    .download-card h3{font-size:21px;margin-bottom:10px}
    .download-card p{color:var(--muted);font-size:14px}
    .download-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .qr-box{min-height:190px;border:1px dashed #bcb5e8;border-radius:14px;background:#faf9ff;display:grid;place-items:center;text-align:center;color:var(--muted);font-size:13px;padding:20px}
    .qr-mark{width:92px;height:92px;background:repeating-linear-gradient(45deg,#6251d9 0 5px,#fff 5px 10px);border:8px solid #fff;box-shadow:0 0 0 1px #ddd8f6;margin:0 auto 10px}
    .compatibility{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
    .tag{display:inline-block;padding:5px 10px;background:var(--mint-soft);color:#27856e;border-radius:8px;font-size:12px;font-weight:700}
    .steps-section{background:#fff}
    .step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .step-card{position:relative;padding:28px 25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}
    .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .step-number{width:43px;height:43px;border-radius:13px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;margin-bottom:20px}
    .step-card h3{font-size:18px;margin-bottom:8px}
    .step-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .access-section{background:#f0eefb}
    .access-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}
    .access-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
    .access-card h3{font-size:19px;margin-bottom:10px}
    .access-card p{color:var(--muted);font-size:14px}
    .access-list{list-style:none;padding:0;margin:18px 0 0}
    .access-list li{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line);font-size:14px}
    .access-list strong{color:var(--primary);min-width:70px}
    .faq{background:#fff}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
    .faq-list{border-top:1px solid #d8d3ee}
    .faq-item{border-bottom:1px solid #d8d3ee}
    .faq-question{width:100%;padding:20px 0;background:none;text-align:left;color:var(--ink);display:flex;justify-content:space-between;align-items:center;font-weight:700}
    .faq-question span{color:var(--primary);font-size:22px;transition:.25s}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta{padding:62px 0;background:var(--primary);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta h2{font-size:28px;margin-bottom:7px}
    .cta p{color:#e2defb;margin-bottom:0}
    .cta .btn-light{border:0}
    .site-footer{background:#211d3c;color:#d9d6e8;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
    .footer-brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:12px}
    .footer-desc{color:#aaa6c3;font-size:13px;max-width:300px}
    .footer-title{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:9px 0;font-size:13px;color:#aaa6c3}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#9792b1;font-size:12px}
    @media(max-width:1024px){
      .header-inner{gap:15px}.logo{min-width:220px}.main-nav a{padding:8px 7px;font-size:13px}
      .hero-grid{gap:38px}.download-panel{gap:20px}
    }
    @media(max-width:768px){
      .site-header{height:auto;min-height:70px}.header-inner{min-height:70px;flex-wrap:wrap;padding:12px 0}
      .logo{min-width:0;flex:1;font-size:14px}.logo-mark{width:34px;height:34px}.header-action{font-size:13px;padding:10px 12px}
      .menu-toggle{display:block}.main-nav{display:none;order:4;flex-basis:100%;flex-direction:column;align-items:stretch;gap:3px;padding:8px 0 4px}
      .main-nav.is-open{display:flex}.main-nav a{padding:12px;border-radius:9px}
      .hero{padding:58px 0}.hero-grid,.download-panel,.access-grid,.faq-layout{grid-template-columns:1fr;gap:28px}
      .hero-copy{font-size:16px}.section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .step-grid{grid-template-columns:1fr}.download-panel{padding:20px}
      .cta-inner{display:block}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      .container{width:min(var(--container),calc(100% - 36px))}
      h1{font-size:34px;letter-spacing:-.8px}.hero-note{gap:12px;display:grid}
      .download-card{padding:22px}.app-preview{align-items:flex-start}.app-icon{width:60px;height:60px;border-radius:17px;font-size:25px}
      .app-preview h2{font-size:21px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
      .breadcrumb-bar{font-size:12px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}