/* roulang page: index */
:root{
  --ink:#281d38;
  --ink-soft:#594f69;
  --muted:#81788f;
  --paper:#fbf8f4;
  --surface:#fff;
  --line:#e9e1dd;
  --coral:#f0644f;
  --coral-dark:#d94b3a;
  --mint:#b9e7d7;
  --lime:#d9f06d;
  --purple:#342243;
  --purple-2:#49305c;
  --radius:18px;
  --shadow:0 16px 40px rgba(48,31,57,.10);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}
.topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
.header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.8)}
.header-inner{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}
.logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}
.logo-text{font-size:17px}.logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
.nav{display:flex;align-items:center;gap:4px;flex:1}
.nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}
.nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}
.header-cta{white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn:focus,.nav a:focus,.faq-question:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}
.btn-primary:hover{background:var(--coral-dark)}
.btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}
.btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}
.btn-lime{background:var(--lime);color:var(--purple)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
.hero{padding:76px 0 70px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:72px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.04em;margin-bottom:18px}
.eyebrow:before{content:"";width:28px;height:3px;background:var(--coral);border-radius:4px}
h1,h2,h3{margin:0;line-height:1.25;letter-spacing:-.035em}
h1{font-size:clamp(34px,4.3vw,60px);max-width:690px}
.hero-copy p{font-size:18px;color:var(--ink-soft);max-width:620px;margin:23px 0 28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;color:var(--muted);font-size:13px}
.hero-meta span{display:flex;align-items:center;gap:7px}.hero-meta b{color:var(--ink)}
.hero-visual{position:relative;min-height:420px}
.visual-panel{position:absolute;inset:25px 0 0 50px;background:var(--purple);border-radius:30px;padding:28px;color:#fff;box-shadow:var(--shadow);transform:rotate(2deg)}
.visual-panel:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:var(--mint);right:-50px;bottom:-55px;opacity:.8}
.device{width:210px;height:360px;background:#17121e;border:8px solid #6f6079;border-radius:30px;position:absolute;left:-30px;top:38px;z-index:2;box-shadow:18px 20px 0 rgba(34,20,44,.15);padding:16px 12px}
.device-top{height:8px;width:70px;background:#514558;border-radius:10px;margin:0 auto 22px}
.device-screen{height:280px;border-radius:17px;background:linear-gradient(145deg,#f0644f 0 38%,#efc17b 38% 42%,#372548 42%);padding:16px 12px;color:#fff;position:relative;overflow:hidden}
.device-screen:before{content:"PG";font-size:66px;font-weight:900;opacity:.18;position:absolute;right:-4px;top:45px}
.screen-title{font-size:13px;font-weight:800;position:relative}.screen-status{margin-top:130px;background:rgba(255,255,255,.16);padding:10px;border-radius:10px;font-size:11px;position:relative}.screen-button{margin-top:12px;background:var(--lime);color:var(--purple);padding:8px;text-align:center;border-radius:8px;font-size:11px;font-weight:800}
.visual-copy{margin-left:190px;position:relative;z-index:2;padding-top:15px}.visual-copy h3{font-size:22px}.visual-copy p{color:#d6c9db;font-size:14px;margin:9px 0 24px}.mini-row{display:flex;gap:8px;flex-wrap:wrap}.mini-tag{border:1px solid #75627e;color:#e9ddec;padding:6px 9px;border-radius:20px;font-size:11px}
.section{padding:82px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-heading h2{font-size:clamp(27px,3vw,40px)}.section-heading p{margin:8px 0 0;color:var(--muted);max-width:620px}.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;margin-bottom:8px}
.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.entry-card{border-radius:22px;padding:32px;min-height:250px;border:1px solid var(--line);position:relative;overflow:hidden}.entry-card.download{background:#fff0ec}.entry-card.play{background:var(--mint)}
.entry-card h3{font-size:26px;margin:15px 0 8px}.entry-card p{color:var(--ink-soft);max-width:440px;margin:0 0 24px}.entry-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:21px;background:#fff;color:var(--coral-dark)}.play .entry-icon{color:#27715e}.entry-note{font-size:12px;color:var(--muted);margin-left:14px}
.process{background:#f3ece8}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #d9cfca}
.process-item{padding:25px 22px 10px 0;border-right:1px solid #d9cfca;margin-right:22px}.process-item:last-child{border-right:0}.step-no{color:var(--coral);font-size:13px;font-weight:900}.process-item h3{font-size:20px;margin:10px 0 7px}.process-item p{font-size:14px;color:var(--muted);margin:0}
.preview-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.preview-art{background:var(--purple);border-radius:26px;min-height:330px;padding:28px;position:relative;color:#fff;overflow:hidden}.preview-art h3{font-size:25px;max-width:280px}.preview-art p{color:#d7c9dc;font-size:14px;max-width:300px}.orbit{position:absolute;width:220px;height:220px;border:1px solid #725b7d;border-radius:50%;right:-40px;bottom:-65px}.orbit:after{content:"";position:absolute;width:90px;height:90px;border-radius:25px;background:var(--coral);left:45px;top:30px;transform:rotate(15deg)}.preview-list{display:grid;gap:14px}.preview-list li{list-style:none;border-bottom:1px solid var(--line);padding:0 0 14px;display:flex;gap:15px}.preview-list ul{padding:0;margin:0}.list-icon{width:32px;height:32px;border-radius:9px;background:#fff0ec;color:var(--coral);display:grid;place-items:center;flex:none}.preview-list h3{font-size:17px}.preview-list p{font-size:14px;color:var(--muted);margin:3px 0 0}
.news{background:#fff}.news-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:20px}.featured-news{background:var(--purple);color:#fff;border-radius:22px;padding:30px;min-height:310px;display:flex;flex-direction:column;justify-content:end}.featured-news .tag{color:var(--lime)}.featured-news h3{font-size:25px;margin:14px 0}.featured-news p{color:#d6c9db;margin:0 0 20px}.news-list{border-left:1px solid var(--line);padding-left:22px;display:grid;gap:5px}.news-item{display:grid;grid-template-columns:90px 1fr auto;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.news-item time,.news-item .tag{font-size:12px;color:var(--muted)}.news-item h3{font-size:16px}.news-item p{font-size:13px;color:var(--muted);margin:3px 0 0}.news-item a{color:var(--coral-dark);font-weight:700;font-size:13px}.tag{display:inline-block;font-size:12px;color:var(--coral-dark);font-weight:800}
.steps-faq{display:grid;grid-template-columns:.85fr 1.15fr;gap:65px}.steps{counter-reset:step}.install-step{display:flex;gap:16px;margin:0 0 22px;position:relative}.install-step:not(:last-child):after{content:"";position:absolute;left:17px;top:39px;height:43px;border-left:1px dashed #d8c9c3}.install-step b{width:35px;height:35px;border-radius:50%;background:var(--coral);color:#fff;display:grid;place-items:center;flex:none}.install-step h3{font-size:17px;margin:1px 0 4px}.install-step p{font-size:14px;color:var(--muted);margin:0}
.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;padding:18px 0;color:var(--ink);font-weight:700}.faq-question span:last-child{font-size:23px;color:var(--coral)}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 18px 0}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta{padding:58px 0}.cta-inner{background:var(--purple);border-radius:26px;padding:45px 52px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:32px}.cta p{color:#d5c8db;margin:9px 0 0}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
.footer{background:#24182f;color:#d8cddd;padding:56px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:35px}.footer .logo{color:#fff;min-width:0}.footer h3{color:#fff;font-size:15px;margin:4px 0 14px}.footer a{display:block;color:#c8b9cf;font-size:14px;margin:8px 0}.footer a:hover{color:var(--lime)}.footer-note{font-size:13px;line-height:1.8;color:#a99bb1}.copyright{border-top:1px solid #44354e;margin-top:35px;padding-top:18px;color:#988a9f;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
@media(max-width:1100px){.nav{gap:0}.nav a{padding:9px 7px;font-size:13px}.logo{min-width:225px}.hero-grid{gap:40px}.visual-panel{left:35px}}
@media(max-width:900px){.header-cta{display:none}.menu-toggle{display:block;margin-left:auto}.nav{display:none;position:absolute;left:20px;right:20px;top:70px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.show{display:flex}.nav a{padding:12px}.hero-grid,.preview-grid,.steps-faq,.news-grid{grid-template-columns:1fr}.hero{padding-top:52px}.hero-visual{min-height:400px}.visual-panel{left:80px}.process-grid{grid-template-columns:repeat(2,1fr);gap:15px}.process-item{border-right:0;margin:0;padding-bottom:20px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.container{width:min(100% - 28px,var(--container))}.topbar{font-size:12px}.header-inner{height:68px}.logo{min-width:0}.logo-text{font-size:14px}.logo-text small{font-size:10px}.logo-mark{width:34px;height:34px}.hero{padding:42px 0 45px}h1{font-size:34px}.hero-copy p{font-size:16px}.hero-actions,.hero-actions .btn{width:100%}.hero-meta{gap:10px;display:grid}.hero-visual{min-height:365px}.visual-panel{inset:20px 0 0 30px;padding:22px}.device{left:-20px;transform:scale(.82);transform-origin:top left}.visual-copy{margin-left:128px}.visual-copy h3{font-size:18px}.section{padding:56px 0}.section-heading{display:block;margin-bottom:22px}.entry-grid{grid-template-columns:1fr}.entry-card{padding:25px}.process-grid{grid-template-columns:1fr}.news-list{border-left:0;padding-left:0}.news-item{grid-template-columns:65px 1fr}.news-item>a{grid-column:2}.cta-inner{padding:30px 24px;display:block}.cta h2{font-size:26px}.cta-actions{margin-top:22px}.cta-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:6px}}

/* roulang page: article */
:root{
      --ink:#281d38;
      --ink-soft:#594f69;
      --muted:#81788f;
      --paper:#fbf8f4;
      --surface:#fff;
      --line:#e9e1dd;
      --coral:#f0644f;
      --coral-dark:#d94b3a;
      --mint:#b9e7d7;
      --lime:#d9f06d;
      --purple:#342243;
      --purple-2:#49305c;
      --radius:18px;
      --shadow:0 16px 40px rgba(48,31,57,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--coral-dark)}
    img{max-width:100%;display:block;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{line-height:1.25;font-weight:800}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}
    .topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px}
    .topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
    .header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.8)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}
    .logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}
    .logo-text{font-size:17px}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}
    .header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.nav a:focus,.faq-question:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
    .article-hero{padding:58px 0 52px;background:linear-gradient(120deg,#fff7f2 0%,#fbf8f4 62%,#f2e8f2 100%);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:26px}
    .breadcrumb a{color:var(--coral-dark)}
    .crumb-sep{color:#b5aab5}
    .article-heading{max-width:900px}
    .article-tag{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-weight:800;font-size:13px;margin-bottom:15px}
    .article-tag:before{content:"";width:28px;height:3px;border-radius:5px;background:var(--coral)}
    .article-heading h1{font-size:clamp(32px,5vw,58px);letter-spacing:-.025em;margin-bottom:20px;overflow-wrap:anywhere}
    .article-description{max-width:780px;color:var(--ink-soft);font-size:18px;margin-bottom:22px}
    .article-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:13px}
    .article-meta span{display:inline-flex;align-items:center;gap:6px}
    .meta-mark{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    .article-area{padding:65px 0 86px}
    .article-layout{display:grid;grid-template-columns:minmax(0,780px) 300px;gap:58px;align-items:start}
    .article-content{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:42px 48px;box-shadow:0 8px 25px rgba(48,31,57,.04);overflow:hidden}
    .article-content h2{font-size:28px;margin:34px 0 15px;padding-left:15px;border-left:4px solid var(--coral)}
    .article-content h3{font-size:21px;margin:27px 0 10px;color:var(--purple)}
    .article-content p{color:#4f465c;margin:0 0 18px}
    .article-content ul,.article-content ol{padding-left:25px;margin:0 0 21px;color:#4f465c}
    .article-content li{margin:7px 0}
    .article-content blockquote{margin:25px 0;padding:18px 22px;border-radius:14px;background:#fff0ec;border-left:4px solid var(--coral);color:var(--ink-soft)}
    .article-content table{width:100%;border-collapse:collapse;margin:22px 0;display:block;overflow-x:auto;white-space:nowrap}
    .article-content th,.article-content td{border:1px solid var(--line);padding:10px 13px;text-align:left}
    .article-content th{background:#fff0ec;color:var(--purple)}
    .article-content img{border-radius:14px;margin:24px auto}
    .empty-state{text-align:center;padding:48px 20px;background:#fff0ec;border:1px dashed #e9b4aa;border-radius:16px}
    .empty-icon{width:52px;height:52px;margin:0 auto 15px;border-radius:16px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:25px}
    .empty-state h2{font-size:25px;margin-bottom:8px}
    .empty-state p{color:var(--ink-soft);margin-bottom:22px}
    .side-stack{display:grid;gap:18px;position:sticky;top:105px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}
    .side-card.dark{background:var(--purple);color:#fff;border-color:var(--purple)}
    .side-card h2{font-size:20px;margin-bottom:12px}
    .side-card p{font-size:14px;color:var(--muted);margin-bottom:18px}
    .side-card.dark p{color:#d9cfe0}
    .side-links{display:grid;gap:10px}
    .side-links a{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
    .side-links a:last-child{border-bottom:0}
    .side-links a span{color:var(--coral-dark);font-weight:800}
    .article-end{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;padding-top:25px;border-top:1px solid var(--line)}
    .related{padding:0 0 82px}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:26px}
    .section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;margin-bottom:8px}
    .section-heading h2{font-size:clamp(27px,3vw,38px);margin-bottom:0}
    .section-heading p{margin:8px 0 0;color:var(--muted)}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .related-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.2s}
    .related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#eab2a8}
    .related-card .tag{font-size:12px;color:var(--coral-dark);font-weight:800}
    .related-card h3{font-size:18px;margin:12px 0 9px}
    .related-card p{font-size:14px;color:var(--muted);margin:0}
    .cta{background:var(--purple);color:#fff;padding:56px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:clamp(26px,3vw,38px);margin-bottom:9px}
    .cta p{color:#d9cfe0;margin:0;max-width:650px}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap;flex:none}
    .footer{background:#241832;color:#fff;padding:52px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px}
    .footer .logo{min-width:0;margin-bottom:17px}
    .footer-note{color:#bdb0c7;font-size:13px;line-height:1.8;margin:0}
    .footer h3{font-size:15px;margin:3px 0 15px}
    .footer-grid>div:not(:first-child) a{display:block;color:#cfc4d5;font-size:13px;margin:8px 0}
    .footer-grid>div:not(:first-child) a:hover{color:var(--lime)}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #463752;margin-top:40px;padding-top:18px;color:#988ba3;font-size:12px}
    @media(max-width:1100px){
      .header-inner{gap:15px}.logo{min-width:220px}.nav a{padding:9px 7px;font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:30px}
    }
    @media(max-width:900px){
      .nav{display:none;position:absolute;left:20px;right:20px;top:70px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:12px 14px}.menu-toggle{display:block;margin-left:auto}.header-cta{display:none}
      .article-layout{grid-template-columns:1fr}.side-stack{position:static;grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:680px){
      .container{width:min(100% - 28px,var(--container))}
      .article-hero{padding:38px 0 35px}.article-heading h1{font-size:34px}.article-description{font-size:16px}
      .article-area{padding:38px 0 55px}.article-content{padding:27px 21px;border-radius:17px}
      .article-content h2{font-size:24px}.article-content h3{font-size:19px}
      .side-stack,.related-grid{grid-template-columns:1fr}
      .cta-inner{display:block}.cta-actions{margin-top:24px}.cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media(max-width:520px){
      .topbar{font-size:12px}.header-inner{height:70px}.logo-text{font-size:15px}.logo-text small{font-size:10px}.logo-mark{width:34px;height:34px}
      .article-meta{gap:9px 14px}.article-content{font-size:15px}.btn{width:100%}.article-end{display:grid}
    }

/* roulang page: category1 */
:root{
      --ink:#281d38;
      --ink-soft:#594f69;
      --muted:#81788f;
      --paper:#fbf8f4;
      --surface:#fff;
      --line:#e9e1dd;
      --coral:#f0644f;
      --coral-dark:#d94b3a;
      --mint:#b9e7d7;
      --lime:#d9f06d;
      --purple:#342243;
      --purple-2:#49305c;
      --radius:18px;
      --shadow:0 16px 40px rgba(48,31,57,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--coral-dark)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{line-height:1.25;letter-spacing:-.025em}
    h1{font-size:clamp(34px,5vw,62px);font-weight:800}
    h2{font-size:clamp(28px,3.5vw,42px);font-weight:800}
    h3{font-weight:750}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}
    .topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px}
    .topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
    .header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.85)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}
    .logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}
    .logo-text{font-size:17px}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}
    .header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.nav a:focus,.faq-question:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}
    .btn-lime{background:var(--lime);color:var(--purple)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
    .hero{padding:70px 0 64px;background:linear-gradient(180deg,#fffaf7 0%,var(--paper) 100%)}
    .breadcrumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:30px}
    .breadcrumbs a{color:var(--coral-dark);font-weight:700}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.04em;margin-bottom:18px}
    .eyebrow:before{content:"";width:28px;height:3px;background:var(--coral);border-radius:4px}
    .hero-copy h1{max-width:700px;margin-bottom:20px}
    .hero-copy p{font-size:18px;color:var(--ink-soft);max-width:650px;margin-bottom:28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;color:var(--muted);font-size:13px}
    .hero-meta span{display:flex;align-items:center;gap:7px}
    .hero-meta b{color:var(--ink)}
    .download-board{background:var(--purple);color:#fff;border-radius:26px;padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .download-board:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(217,240,109,.35);border-radius:50%;right:-65px;top:-65px}
    .board-head{display:flex;justify-content:space-between;gap:15px;align-items:start;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:22px;margin-bottom:22px}
    .board-head h2{font-size:25px;margin:0;color:#fff}
    .status{display:inline-flex;align-items:center;gap:7px;color:var(--lime);font-size:12px;font-weight:700;white-space:nowrap}
    .status i{width:7px;height:7px;border-radius:50%;background:var(--lime)}
    .version-row{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14px}
    .version-row span{color:#cfc3d5}
    .version-row strong{color:#fff}
    .platforms{display:flex;gap:9px;flex-wrap:wrap;margin:22px 0}
    .platform{border:1px solid #75627e;color:#f0e8f2;padding:7px 11px;border-radius:20px;font-size:12px}
    .board-note{font-size:13px;color:#d5c9da;margin:20px 0}
    .board-actions{display:flex;gap:10px;flex-wrap:wrap}
    .section{padding:78px 0}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-heading h2{margin:0}
    .section-heading p{margin:8px 0 0;color:var(--muted);max-width:630px}
    .section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;margin-bottom:8px}
    .entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .entry-card{border-radius:22px;padding:32px;min-height:250px;border:1px solid var(--line);position:relative;overflow:hidden}
    .entry-card.download{background:#fff0ec}
    .entry-card.play{background:var(--mint)}
    .entry-card h3{font-size:27px;margin:15px 0 8px}
    .entry-card p{color:var(--ink-soft);max-width:470px;margin-bottom:24px}
    .entry-icon{font-size:30px}
    .check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .check-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.2s}
    .check-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .check-card h3{font-size:19px;margin:15px 0 7px}
    .check-card p{color:var(--muted);font-size:14px;margin:0}
    .check-number{display:grid;place-items:center;width:38px;height:38px;background:var(--lime);border-radius:11px;color:var(--purple);font-weight:800}
    .steps-wrap{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step{padding:10px 24px 10px 0;margin-right:24px;border-right:1px solid var(--line)}
    .step:last-child{border:0;margin:0}
    .step-num{width:34px;height:34px;border-radius:50%;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:800}
    .step h3{font-size:19px;margin:16px 0 7px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .compat-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:stretch}
    .compat-copy{background:var(--purple);border-radius:22px;color:#fff;padding:32px}
    .compat-copy h2{color:#fff;font-size:30px}
    .compat-copy p{color:#d8ccdf}
    .tip-list{padding:0;margin:25px 0 0;list-style:none}
    .tip-list li{padding:12px 0;border-top:1px solid rgba(255,255,255,.16);color:#eee6f1}
    .tip-list li:before{content:"✓";color:var(--lime);font-weight:800;margin-right:10px}
    .compat-table{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px}
    .compat-table h3{margin-bottom:18px}
    .table-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
    .table-row:first-of-type{color:var(--muted);font-size:12px;font-weight:800}
    .table-row:last-child{border-bottom:0}
    .table-row span:last-child{color:var(--coral-dark);font-weight:700}
    .notice{margin-top:18px;background:#fff8d7;border:1px solid #eadf9b;border-radius:13px;padding:14px 16px;color:#665a27;font-size:13px}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
    .faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;padding:18px 0;color:var(--ink);font-weight:700}
    .faq-question span:last-child{font-size:23px;color:var(--coral)}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 18px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--purple);color:#fff;border-radius:25px;padding:45px 52px;display:flex;justify-content:space-between;gap:30px;align-items:center}
    .cta h2{color:#fff;margin-bottom:10px}
    .cta p{color:#d8ccdf;margin:0;max-width:650px}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}
    .footer{background:#241a31;color:#f3edf4;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:38px}
    .footer .logo{min-width:0;margin-bottom:18px}
    .footer .logo-text{color:#fff}
    .footer h3{font-size:15px;color:#fff;margin:4px 0 15px}
    .footer a:not(.logo){display:block;color:#cbbfd0;font-size:14px;padding:4px 0}
    .footer a:not(.logo):hover{color:var(--lime)}
    .footer-note{font-size:13px;color:#b9acbf;max-width:370px;margin:0}
    .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#a99cad;font-size:12px}
    @media(max-width:1100px){
      .header-inner{gap:14px}.logo{min-width:225px}.nav a{padding:9px 7px;font-size:13px}
      .hero-grid{gap:35px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media(max-width:850px){
      .menu-toggle{display:block;margin-left:auto}
      .header-cta{display:none}
      .nav{display:none;position:absolute;left:20px;right:20px;top:70px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:12px 14px}
      .header-inner{height:70px}.hero-grid,.compat-grid,.faq-layout{grid-template-columns:1fr;gap:30px}
      .hero{padding-top:40px}.hero-visual{order:2}
      .check-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr;gap:15px}
      .step{border-right:0;border-bottom:1px solid var(--line);padding-bottom:20px;margin:0}
      .cta{display:block;padding:35px}.cta-actions{margin-top:25px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:560px){
      .container{width:min(100% - 28px,var(--container))}
      .logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:10px}
      .hero-copy h1{font-size:35px}.hero-copy p{font-size:16px}
      .hero-actions,.hero-actions .btn,.board-actions .btn,.cta-actions .btn{width:100%}
      .entry-grid,.check-grid,.steps{grid-template-columns:1fr}
      .entry-card,.download-board,.compat-copy,.compat-table{padding:24px}
      .section{padding:58px 0}.section-heading{display:block}
      .section-heading p{margin-top:12px}.table-row{grid-template-columns:1fr 1fr 1fr;font-size:13px}
      .footer-grid{grid-template-columns:1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }

/* roulang page: category2 */
:root{--ink:#281d38;--ink-soft:#594f69;--muted:#81788f;--paper:#fbf8f4;--surface:#fff;--line:#e9e1dd;--coral:#f0644f;--coral-dark:#d94b3a;--mint:#b9e7d7;--lime:#d9f06d;--purple:#342243;--purple-2:#49305c;--radius:18px;--shadow:0 16px 40px rgba(48,31,57,.1);--container:1200px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin-top:0}.container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}.topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px}.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
    .header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.8)}.header-inner{height:78px;display:flex;align-items:center;gap:28px}.logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}.logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}.logo-text{font-size:17px}.logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}.nav{display:flex;align-items:center;gap:4px;flex:1}.nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}.nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}.header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn:focus,.nav a:focus,.faq-question:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}.btn-primary:hover{background:var(--coral-dark)}.btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}.btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}.btn-lime{background:var(--lime);color:var(--purple)}.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
    .hero{padding:74px 0 60px;background:linear-gradient(135deg,#fff8f3 0%,#fbf8f4 58%,#eaf8f0 100%)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}.eyebrow,.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.03em}.eyebrow:before{content:"";display:inline-block;width:28px;height:3px;background:var(--coral);border-radius:5px;margin:0 9px 4px 0}h1{font-size:clamp(34px,5vw,62px);line-height:1.16;letter-spacing:-.04em;margin:15px 0 20px}.hero p{font-size:18px;color:var(--ink-soft);max-width:650px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:24px}.hero-meta b{color:var(--ink)}
    .entry-panel{background:var(--purple);color:#fff;border-radius:26px;padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}.entry-panel:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(217,240,109,.35);border-radius:50%;right:-65px;top:-55px}.status-row{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #5b4868;padding-bottom:19px}.status{color:var(--lime);font-size:13px;font-weight:700}.status:before{content:"";display:inline-block;width:8px;height:8px;background:var(--lime);border-radius:50%;margin-right:7px}.panel-title{font-size:27px;margin:25px 0 9px}.entry-panel p{color:#d9cfdf;font-size:14px}.entry-check{display:grid;gap:12px;margin:25px 0}.entry-check div{display:flex;align-items:center;gap:10px;color:#eee6f4;font-size:14px}.check{width:24px;height:24px;border-radius:8px;background:#554266;color:var(--lime);display:grid;place-items:center;font-weight:800}
    .section{padding:78px 0}.section.alt{background:#fff}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}.section-heading h2{font-size:clamp(27px,3.4vw,42px);line-height:1.25;margin:7px 0}.section-heading p{color:var(--muted);max-width:600px;margin:0}.route-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.route-card{border:1px solid var(--line);border-radius:22px;padding:30px;background:var(--surface)}.route-card.primary{background:#fff0ec;border-color:#f8d0c8}.route-card h3{font-size:25px;margin:14px 0 8px}.route-card p{color:var(--ink-soft)}.route-label{display:inline-flex;padding:6px 11px;border-radius:30px;background:#fff;color:var(--coral-dark);font-size:12px;font-weight:800}.route-card ul{padding:0;margin:18px 0 23px;list-style:none}.route-card li{padding:8px 0;border-bottom:1px dashed #ddcfca;color:var(--ink-soft)}.route-card li:before{content:"✓";color:var(--coral);font-weight:bold;margin-right:9px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.step{padding:25px 22px 8px 0;border-right:1px solid var(--line);margin-right:22px}.step:last-child{border:0;margin:0}.step-num{font-size:13px;color:var(--coral);font-weight:800}.step h3{font-size:20px;margin:10px 0 6px}.step p{font-size:14px;color:var(--muted);margin:0}
    .compatibility{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center}.device-board{background:var(--mint);border-radius:25px;padding:34px;min-height:260px;position:relative}.device-board h3{font-size:27px;margin:0 0 13px}.device-chip{display:inline-block;background:#fff;border-radius:10px;padding:10px 13px;margin:5px 5px 0 0;font-size:13px}.notice{background:rgba(255,255,255,.7);border-left:4px solid var(--coral);padding:15px 18px;border-radius:0 12px 12px 0;color:var(--ink-soft);font-size:14px}.info-list{display:grid;gap:16px}.info-item{display:flex;gap:14px;border-bottom:1px solid var(--line);padding-bottom:16px}.info-icon{width:35px;height:35px;flex:none;border-radius:10px;background:#fff0ec;color:var(--coral);display:grid;place-items:center;font-weight:800}.info-item h3{font-size:18px;margin:0 0 3px}.info-item p{font-size:14px;color:var(--muted);margin:0}
    .faq-wrap{max-width:900px;margin:auto}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;border:0;background:none;padding:19px 0;display:flex;justify-content:space-between;text-align:left;color:var(--ink);font-weight:700}.faq-question span:last-child{color:var(--coral);font-size:22px}.faq-ans{display:none;color:var(--muted);font-size:15px;padding:0 35px 20px 0}.faq-item.open .faq-ans{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--purple);color:#fff;border-radius:26px;padding:43px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:32px;margin:0 0 8px}.cta p{color:#d9cfdf;margin:0}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}.cta .btn-light{background:#fff}
    .footer{background:#2a1d38;color:#fff;padding:56px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:35px}.footer .logo{min-width:0}.footer h3{font-size:15px;margin:4px 0 15px}.footer-grid>div>a:not(.logo){display:block;color:#d9cfdf;font-size:14px;margin:8px 0}.footer-note{color:#c6b9cd;font-size:13px;max-width:360px}.copyright{border-top:1px solid #4b3a57;margin-top:38px;padding-top:17px;color:#a99bb1;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:1100px){.nav{gap:0}.nav a{padding:9px 7px;font-size:13px}.header-inner{gap:14px}.logo{min-width:225px}.hero-grid{gap:35px}}
    @media(max-width:800px){.header-inner{height:70px}.menu-toggle{display:block;margin-left:auto}.header-cta{display:none}.nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.show{display:flex}.nav a{padding:12px}.hero-grid,.route-grid,.compatibility{grid-template-columns:1fr}.hero{padding:55px 0 45px}.hero-visual{order:-1}.steps{grid-template-columns:1fr 1fr;gap:0}.step:nth-child(2){border-right:0}.step{margin-bottom:20px}.section{padding:60px 0}.section-heading{display:block}.section-heading p{margin-top:10px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.container{width:min(100% - 28px,var(--container))}.logo-text{font-size:15px}.logo-text small{font-size:10px}.logo-mark{width:34px;height:34px}.hero-actions,.hero-actions .btn,.cta-actions,.cta-actions .btn{width:100%}h1{font-size:36px}.entry-panel,.route-card{padding:24px}.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line);margin:0;padding:20px 0}.footer-grid{grid-template-columns:1fr;gap:22px}.copyright{display:block}.copyright span{display:block;margin-top:5px}.cta{padding:30px 24px;display:block}.cta h2{font-size:27px}.cta-actions{margin-top:22px}}

/* roulang page: article */
:root{
      --ink:#281d38;
      --ink-soft:#594f69;
      --muted:#81788f;
      --paper:#fbf8f4;
      --surface:#fff;
      --line:#e9e1dd;
      --coral:#f0644f;
      --coral-dark:#d94b3a;
      --mint:#b9e7d7;
      --lime:#d9f06d;
      --purple:#342243;
      --purple-2:#49305c;
      --radius:18px;
      --shadow:0 16px 40px rgba(48,31,57,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--coral-dark)}
    img{max-width:100%;height:auto;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}
    .topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px}
    .topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
    .header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.85)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}
    .logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}
    .logo-text{font-size:17px}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}
    .header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.nav a:focus,.faq-question:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}
    .btn-lime{background:var(--lime);color:var(--purple)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
    .article-hero{padding:68px 0 52px;background:linear-gradient(180deg,#fff8f4 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:27px}
    .breadcrumb a{color:var(--ink-soft)}
    .breadcrumb .slash{color:#c6b9b6}
    .article-heading{max-width:900px}
    .article-label{display:inline-flex;align-items:center;gap:9px;color:var(--coral-dark);font-size:13px;font-weight:800;margin-bottom:16px}
    .article-label:before{content:"";width:28px;height:3px;border-radius:5px;background:var(--coral)}
    h1,h2,h3{margin-top:0;line-height:1.25;letter-spacing:-.02em}
    h1{font-size:clamp(32px,5vw,58px);font-weight:800;margin-bottom:22px}
    .article-summary{font-size:18px;color:var(--ink-soft);max-width:790px;margin:0 0 23px}
    .article-meta{display:flex;gap:10px 23px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .article-meta strong{color:var(--ink-soft);font-weight:700}
    .article-layout{display:grid;grid-template-columns:minmax(0,780px) 300px;gap:62px;align-items:start;padding:66px 0 86px}
    .article-content{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:42px 48px;box-shadow:0 8px 28px rgba(48,31,57,.04);overflow:hidden}
    .article-content h2{font-size:30px;margin:35px 0 16px;padding-top:8px}
    .article-content h3{font-size:22px;margin:27px 0 12px}
    .article-content p{color:#4f465b;margin:0 0 18px}
    .article-content ul,.article-content ol{padding-left:24px;color:#4f465b;margin:12px 0 24px}
    .article-content li{padding-left:5px;margin:7px 0}
    .article-content blockquote{margin:26px 0;padding:18px 22px;border-left:4px solid var(--coral);background:#fff0ec;border-radius:0 12px 12px 0;color:var(--ink-soft)}
    .article-content table{width:100%;border-collapse:collapse;margin:24px 0;display:block;overflow-x:auto}
    .article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
    .article-content th{background:#fff0ec;color:var(--purple)}
    .article-content code{background:#f3eee9;border-radius:5px;padding:2px 6px;color:var(--coral-dark)}
    .article-content img{border-radius:14px;margin:24px auto}
    .article-aside{display:grid;gap:17px;position:sticky;top:105px}
    .aside-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px}
    .aside-card.dark{background:var(--purple);color:#fff;border-color:var(--purple)}
    .aside-card h2,.aside-card h3{font-size:20px;margin-bottom:10px}
    .aside-card p{font-size:14px;color:var(--muted);margin:0 0 17px}
    .dark p{color:#d8cddd}
    .aside-links{display:grid;gap:0}
    .aside-links a{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:700}
    .aside-links a:last-child{border-bottom:0}
    .status-badge{display:inline-block;background:var(--lime);color:var(--purple);border-radius:20px;padding:5px 10px;font-size:12px;font-weight:800;margin-bottom:13px}
    .related{padding:0 0 86px}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:25px}
    .section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;margin-bottom:8px}
    .section-heading h2{font-size:clamp(27px,3vw,38px);margin-bottom:0}
    .section-heading p{margin:8px 0 0;color:var(--muted);max-width:620px}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .related-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.2s}
    .related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#efb0a4}
    .related-card .tag{display:block;color:var(--coral-dark);font-size:12px;font-weight:800;margin-bottom:10px}
    .related-card h3{font-size:18px;margin-bottom:12px}
    .related-card time{font-size:12px;color:var(--muted)}
    .empty-state{padding:65px 25px;text-align:center;border:1px dashed #d7c9c4;border-radius:18px;background:#fff}
    .empty-icon{width:58px;height:58px;margin:0 auto 17px;border-radius:18px;background:#fff0ec;color:var(--coral);display:grid;place-items:center;font-size:25px}
    .empty-state h2{font-size:26px;margin-bottom:10px}
    .empty-state p{color:var(--muted);margin-bottom:23px}
    .cta{padding:62px 0;background:var(--purple);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:clamp(27px,3vw,40px);margin-bottom:10px}
    .cta p{color:#d9cede;margin:0;max-width:650px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
    .footer{background:#24182f;color:#fff;padding:55px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px;padding-bottom:43px}
    .footer .logo{min-width:0;color:#fff;margin-bottom:18px}
    .footer .logo-text small{color:#bdaec5}
    .footer h3{font-size:15px;color:var(--lime);margin:3px 0 15px}
    .footer-grid>div>a:not(.logo){display:block;color:#d7cedb;font-size:14px;margin:8px 0}
    .footer-grid>div>a:not(.logo):hover{color:var(--lime)}
    .footer-note{color:#bdaec5;font-size:13px;line-height:1.8;margin:0;max-width:330px}
    .copyright{border-top:1px solid #493853;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#a99aae;font-size:12px}
    @media(max-width:1200px){
      .header-inner{gap:15px}.logo{min-width:220px}.nav a{padding:9px 7px;font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:35px}
    }
    @media(max-width:992px){
      .header-cta{display:none}.menu-toggle{display:block;margin-left:auto}
      .nav{display:none;position:absolute;left:20px;right:20px;top:78px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:12px 14px}
      .header-inner{position:relative}.article-layout{grid-template-columns:1fr}.article-aside{position:static;grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2 / 4}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 30px))}
      .article-hero{padding:45px 0 38px}.article-layout{padding:40px 0 58px}
      .article-content{padding:28px 22px;border-radius:16px}.article-content h2{font-size:26px}
      .article-aside{grid-template-columns:1fr}.related{padding-bottom:60px}.related-grid{grid-template-columns:1fr}
      .cta-inner{display:block}.cta-actions{margin-top:25px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:last-child{grid-column:auto}
    }
    @media(max-width:520px){
      .topbar{font-size:12px}.header-inner{height:68px}.nav{top:68px}
      .logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:10px}.logo-mark{width:34px;height:34px;font-size:16px}
      h1{font-size:34px}.article-summary{font-size:16px}.article-content{padding:24px 18px}
      .article-content h2{font-size:24px}.cta{padding:46px 0}.cta-actions,.cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}
    }

/* roulang page: category1 */
:root{
      --ink:#281d38;--ink-soft:#594f69;--muted:#81788f;--paper:#fbf8f4;--surface:#fff;
      --line:#e9e1dd;--coral:#f0644f;--coral-dark:#d94b3a;--mint:#b9e7d7;
      --lime:#d9f06d;--purple:#342243;--purple-2:#49305c;--radius:18px;
      --shadow:0 16px 40px rgba(48,31,57,.10);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}
    .topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px}
    .topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
    .header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.8)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}
    .logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}
    .logo-text{font-size:17px}.logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}
    .header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.nav a:focus,.faq-question:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}
    .btn-primary:hover{background:var(--coral-dark)}
    .btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}
    .btn-lime{background:var(--lime);color:var(--purple)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
    .page-hero{padding:72px 0 64px;background:linear-gradient(110deg,#fff0ec 0%,var(--paper) 56%,#e9f7f0 100%);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
    .breadcrumb a{color:var(--coral-dark)}.breadcrumb span{color:#b2a6ad}
    .hero-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.04em;margin-bottom:15px}
    .eyebrow:before{content:"";width:28px;height:3px;background:var(--coral);border-radius:4px}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,5vw,60px);line-height:1.15;letter-spacing:-.04em;margin-bottom:20px}
    h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin-bottom:12px}h3{line-height:1.35}
    .hero-copy p{font-size:18px;color:var(--ink-soft);max-width:680px;margin-bottom:28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:23px;color:var(--muted);font-size:13px}
    .hero-meta b{color:var(--ink)}
    .download-visual{background:var(--purple);color:#fff;border-radius:25px;padding:28px;min-height:300px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .download-visual:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(217,240,109,.35);border-radius:50%;right:-45px;top:-55px}
    .visual-top{display:flex;justify-content:space-between;align-items:center;color:#d8cbe0;font-size:13px}
    .visual-icon{width:58px;height:58px;border-radius:18px;background:var(--coral);display:grid;place-items:center;font-size:27px;margin:38px 0 18px;box-shadow:8px 8px 0 rgba(185,231,215,.8)}
    .download-visual h3{font-size:25px;margin-bottom:7px}.download-visual p{color:#d8cbe0;font-size:14px;margin-bottom:22px}
    .status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--lime)}.status i{width:8px;height:8px;background:var(--lime);border-radius:50%}
    .section{padding:78px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-heading p{margin:7px 0 0;color:var(--muted);max-width:650px}.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;margin-bottom:8px}
    .download-grid{display:grid;grid-template-columns:1fr .9fr;gap:20px}
    .panel{border:1px solid var(--line);border-radius:22px;background:var(--surface);padding:32px}
    .panel.dark{background:var(--purple);color:#fff;border-color:var(--purple)}
    .panel.mint{background:var(--mint)}
    .panel h3{font-size:25px;margin:13px 0 8px}.panel p{color:var(--ink-soft);margin-bottom:22px}.panel.dark p{color:#ded3e2}
    .panel-icon{width:44px;height:44px;border-radius:13px;background:#fff0ec;color:var(--coral-dark);display:grid;place-items:center;font-size:21px}
    .panel.dark .panel-icon{background:var(--coral);color:#fff}
    .data-list{display:grid;gap:0;margin:22px 0;border-top:1px solid var(--line)}
    .dark .data-list{border-color:#624d70}.data-line{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
    .dark .data-line{border-color:#624d70}.data-line span{color:var(--muted)}.dark .data-line span{color:#c9b9d0}
    .notice{font-size:13px;color:var(--muted);padding:12px 14px;background:#faf6f3;border-radius:10px}.dark .notice{background:var(--purple-2);color:#dfd2e5}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #d9cfca}
    .timeline-item{padding:24px 24px 10px 0;border-right:1px solid #d9cfca;margin-right:22px}.timeline-item:last-child{border-right:0}
    .number{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--coral);color:#fff;font-weight:800;font-size:14px}
    .timeline-item h3{font-size:19px;margin:12px 0 7px}.timeline-item p{font-size:14px;color:var(--muted);margin:0}
    .check-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .check-card{padding:24px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .check-card h3{font-size:18px;margin:0 0 8px}.check-card p{color:var(--muted);font-size:14px;margin:0}.check-mark{color:var(--coral);font-weight:800;margin-right:8px}
    .compatibility{background:var(--purple);color:#fff;border-radius:24px;padding:34px}
    .compatibility-grid{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
    .compatibility p{color:#d8cbe0}.device-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
    .device-tag{padding:9px 13px;border:1px solid #75627e;border-radius:22px;color:#f1e8f4;font-size:13px}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:65px}.faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;padding:18px 0;color:var(--ink);font-weight:700}
    .faq-question span:last-child{font-size:23px;color:var(--coral)}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 18px 0}.faq-item.open .faq-answer{display:block}
    .cta{background:var(--purple);color:#fff;border-radius:25px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{margin-bottom:8px}.cta p{color:#d9cde1;margin:0}.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
    .footer{background:#241a31;color:#fff;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.45fr .8fr .8fr 1fr;gap:40px}
    .footer .logo{min-width:0}.footer h3{font-size:15px;margin:3px 0 15px}.footer a:not(.logo){display:block;color:#d2c6d9;font-size:14px;margin:8px 0}.footer a:hover{color:var(--lime)}
    .footer-note{color:#bcaec5;font-size:13px;line-height:1.8;margin-top:20px}.copyright{border-top:1px solid #4d3a58;margin-top:35px;padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#a99bb1;font-size:12px}
    @media(max-width:1100px){.header-inner{gap:15px}.logo{min-width:220px}.nav a{padding:9px 7px;font-size:13px}.hero-layout{gap:35px}}
    @media(max-width:900px){.nav{display:none}.menu-toggle{display:block}.header-cta{margin-left:auto}.header-inner{height:70px}.hero-layout,.download-grid,.compatibility-grid,.faq-layout{grid-template-columns:1fr}.page-hero{padding:52px 0}.download-visual{max-width:620px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
    @media(max-width:680px){.container{width:min(100% - 28px,var(--container))}.topbar{font-size:12px}.logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:10px}.header-cta .btn{padding:10px 13px;font-size:13px}.hero-copy p{font-size:16px}.hero-actions .btn{width:100%}.section{padding:58px 0}.section-heading{display:block}.panel{padding:24px}.timeline,.check-grid{grid-template-columns:1fr}.timeline-item{border-right:0;border-bottom:1px solid #d9cfca;margin:0;padding:21px 0}.timeline-item:last-child{border-bottom:0}.compatibility{padding:27px 22px}.cta{display:block;padding:30px 24px}.cta-actions{margin-top:23px}.cta-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin:5px 0}}
    @media(max-width:430px){h1{font-size:35px}.logo-mark{width:34px;height:34px;font-size:16px}.header-cta{display:none}.footer-grid{grid-template-columns:1fr}}

/* roulang page: category2 */
:root{--ink:#281d38;--ink-soft:#594f69;--muted:#81788f;--paper:#fbf8f4;--surface:#fff;--line:#e9e1dd;--coral:#f0644f;--coral-dark:#d94b3a;--mint:#b9e7d7;--lime:#d9f06d;--purple:#342243;--purple-2:#49305c;--radius:18px;--shadow:0 16px 40px rgba(48,31,57,.1);--container:1200px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 40px));margin:auto}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,64px);line-height:1.15;letter-spacing:-.04em;margin-bottom:18px}h2{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.025em}h3{line-height:1.35}
    .topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}.topbar-inner{display:flex;justify-content:center;align-items:center;gap:10px}.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime)}
    .header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.8)}.header-inner{height:78px;display:flex;align-items:center;gap:28px}.logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}.logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}.logo-text{font-size:17px}.logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}.nav{display:flex;align-items:center;gap:4px;flex:1}.nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}.nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}.header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px)}.btn:focus,.nav a:focus,.faq-question:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}.btn-primary:hover{background:var(--coral-dark)}.btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}.btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}.btn-lime{background:var(--lime);color:var(--purple)}.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
    .hero{padding:70px 0 58px;background:linear-gradient(120deg,#fbf8f4 0%,#fff3ec 100%)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}.eyebrow,.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.04em}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}.eyebrow:before{content:"";width:28px;height:3px;background:var(--coral);border-radius:4px}.hero-copy p{font-size:18px;color:var(--ink-soft);max-width:650px;margin:22px 0 27px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:23px;color:var(--muted);font-size:13px}.hero-meta b{color:var(--ink)}
    .status-board{background:var(--purple);color:#fff;border-radius:26px;padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}.status-board:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:var(--purple-2);right:-65px;top:-65px}.board-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}.board-label{font-size:13px;color:#d6c9db}.live{display:inline-flex;align-items:center;gap:7px;background:rgba(217,240,109,.15);color:var(--lime);padding:6px 10px;border-radius:20px;font-size:12px;font-weight:700}.live i{width:7px;height:7px;border-radius:50%;background:var(--lime)}.entry-panel{background:#fff;color:var(--ink);border-radius:18px;padding:24px;margin-top:30px;position:relative;z-index:1}.entry-panel h3{font-size:25px;margin:0 0 8px}.entry-panel p{color:var(--muted);font-size:14px;margin-bottom:20px}.check-row{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:12px 0;font-size:14px}.check-row span:last-child{font-weight:700;color:#27866b}
    .section{padding:80px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-heading p{margin:8px 0 0;color:var(--muted);max-width:650px}.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.entry-card{border-radius:22px;padding:32px;min-height:260px;border:1px solid var(--line);position:relative;overflow:hidden}.entry-card.play{background:var(--mint)}.entry-card.download{background:#fff0ec}.entry-card h3{font-size:26px;margin:15px 0 8px}.entry-card p{color:var(--ink-soft);max-width:450px;margin-bottom:24px}.icon-box{width:45px;height:45px;border-radius:13px;background:#fff;display:grid;place-items:center;color:var(--coral);font-size:21px;font-weight:800}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #d9cfca}.step{padding:25px 24px 10px 0;border-right:1px solid #d9cfca;margin-right:24px}.step:last-child{border:0}.step-num{color:var(--coral);font-size:13px;font-weight:800}.step h3{font-size:20px;margin:9px 0 7px}.step p{font-size:14px;color:var(--muted);margin:0}
    .notice-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px;align-items:stretch}.notice-main{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px}.notice-main h3{font-size:25px;margin:14px 0}.notice-main p{color:var(--ink-soft)}.tip-list{display:grid;gap:12px;margin:22px 0 0;padding:0}.tip-list li{list-style:none;display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}.tip-list b{color:var(--coral);font-size:18px;line-height:1}.compatibility{background:var(--purple);color:#fff;border-radius:22px;padding:32px}.compatibility h3{font-size:25px}.compatibility p{color:#d6c9db}.device-row{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.device{border:1px solid #75627e;padding:10px 14px;border-radius:12px;color:#eee6f4;font-size:14px}.device strong{display:block;color:var(--lime);font-size:16px}.small-note{font-size:13px;color:var(--muted)}.compatibility .small-note{color:#d6c9db}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px}.faq-intro{background:var(--lime);border-radius:22px;padding:30px;height:max-content}.faq-intro p{color:var(--purple)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;padding:18px 0;color:var(--ink);font-weight:700}.faq-question span:last-child{font-size:23px;color:var(--coral)}.faq-answer{display:none;color:var(--ink-soft);font-size:14px;padding:0 35px 18px 0}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--purple);color:#fff;padding:52px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin-bottom:10px}.cta p{color:#d6c9db;margin:0}.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
    .footer{background:#241832;color:#fff;padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:35px}.footer .logo-text{color:#fff}.footer h3{font-size:15px;margin:4px 0 14px}.footer-grid>div:not(:first-child) a{display:block;color:#cfc1d6;font-size:14px;margin:7px 0}.footer-grid a:hover{color:var(--lime)}.footer-note{color:#b9acc1;font-size:13px;max-width:300px}.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #493956;margin-top:38px;padding-top:18px;color:#a99bb2;font-size:12px}
    @media(max-width:1100px){.nav{gap:0}.nav a{padding:9px 7px;font-size:13px}.header-inner{gap:14px}.logo{min-width:220px}.hero-grid{gap:35px}}
    @media(max-width:900px){.header-cta{display:none}.menu-toggle{display:block;margin-left:auto}.nav{display:none;position:absolute;left:20px;right:20px;top:78px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.show{display:flex}.nav a{padding:12px}.hero-grid,.notice-grid,.faq-layout{grid-template-columns:1fr}.hero{padding-top:52px}.steps{grid-template-columns:repeat(2,1fr);gap:0 20px}.step:nth-child(2){border-right:0;margin-right:0}.step{margin-bottom:20px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:600px){.container{width:min(100% - 28px,var(--container))}.topbar{font-size:12px}.header-inner{height:68px}.nav{top:68px;left:14px;right:14px}.logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:10px}.logo-mark{width:34px;height:34px}.hero{padding:43px 0}.hero-copy p{font-size:16px}.hero-actions,.hero-actions .btn,.cta-actions,.cta-actions .btn{width:100%}.section{padding:58px 0}.section-heading{display:block}.section-heading h2{margin-bottom:10px}.entry-grid,.steps{grid-template-columns:1fr}.entry-card{padding:25px;min-height:0}.step{border-right:0;margin-right:0;border-bottom:1px solid #d9cfca;padding:20px 0}.status-board,.compatibility,.notice-main{padding:24px}.cta-inner{display:block}.cta-actions{margin-top:24px}.footer-grid{grid-template-columns:1fr;gap:24px}.copyright{display:block}.copyright span{display:block;margin-top:5px}.faq-intro{padding:24px}}

/* roulang page: category3 */
:root{
      --ink:#281d38;--ink-soft:#594f69;--muted:#81788f;--paper:#fbf8f4;--surface:#fff;
      --line:#e9e1dd;--coral:#f0644f;--coral-dark:#d94b3a;--mint:#b9e7d7;
      --lime:#d9f06d;--purple:#342243;--purple-2:#49305c;--radius:18px;
      --shadow:0 16px 40px rgba(48,31,57,.10);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}
    .topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px}
    .topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
    .header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.8)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}
    .logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}
    .logo-text{font-size:17px}.logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}
    .header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}.btn:focus,.nav a:focus,.faq-question:focus,.tab:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}.btn-primary:hover{background:var(--coral-dark)}
    .btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}.btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}
    .btn-lime{background:var(--lime);color:var(--purple)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-.04em}h2{font-size:clamp(28px,3vw,42px);line-height:1.25}h3{line-height:1.35}
    .hero{padding:68px 0 58px;background:linear-gradient(135deg,#fff8f3 0%,#fbf8f4 62%,#f0e8f1 100%)}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:35px}.breadcrumb a{color:var(--coral-dark)}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.04em}
    .eyebrow{display:flex;align-items:center;gap:8px;margin-bottom:18px}.eyebrow:before{content:"";width:28px;height:3px;background:var(--coral);border-radius:4px}
    .hero p{font-size:18px;color:var(--ink-soft);max-width:650px;margin:22px 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;color:var(--muted);font-size:13px}.hero-meta b{color:var(--ink)}
    .guide-board{background:var(--purple);border-radius:26px;padding:30px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .guide-board:after{content:"";position:absolute;width:180px;height:180px;border:28px solid var(--mint);border-radius:50%;right:-75px;top:-70px;opacity:.35}
    .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #665473;padding-bottom:18px;margin-bottom:22px}
    .status{font-size:12px;color:var(--lime);font-weight:700}.board-title{font-size:23px;font-weight:800}
    .board-step{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid #665473;position:relative;z-index:1}.board-step:last-child{border:0}
    .board-number{width:32px;height:32px;border-radius:10px;background:var(--coral);display:grid;place-items:center;font-weight:800;flex:none}
    .board-step strong{display:block}.board-step span{font-size:13px;color:#d8ccdf}
    .section{padding:82px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-heading p{margin:8px 0 0;color:var(--muted);max-width:650px}
    .check-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.check-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.2s}.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .check-icon{width:42px;height:42px;border-radius:12px;background:#fff0ec;color:var(--coral);display:grid;place-items:center;font-size:21px;margin-bottom:17px}.check-card h3{font-size:19px;margin-bottom:8px}.check-card p{color:var(--muted);font-size:14px;margin:0}
    .guide-section{background:#fff}.tabs{display:flex;gap:8px;margin-bottom:27px;flex-wrap:wrap}.tab{border:1px solid var(--line);background:var(--paper);color:var(--ink-soft);padding:10px 18px;border-radius:20px;font-weight:700}.tab.active,.tab:hover{background:var(--coral);color:#fff;border-color:var(--coral)}
    .guide-layout{display:grid;grid-template-columns:1fr .76fr;gap:55px}.timeline{border-left:2px solid #f3c6bd;padding-left:28px}.timeline-item{position:relative;padding:0 0 30px}.timeline-item:before{content:"";position:absolute;left:-38px;top:4px;width:17px;height:17px;border-radius:50%;background:var(--coral);border:4px solid #fff0ec}.timeline-item:last-child{padding-bottom:0}.step-label{font-size:12px;color:var(--coral-dark);font-weight:800}.timeline h3{font-size:22px;margin:5px 0 8px}.timeline p{color:var(--ink-soft);margin:0}
    .tip-box{background:#fff0ec;border-radius:22px;padding:28px;height:max-content}.tip-box h3{font-size:22px;margin-bottom:15px}.tip-box ul{margin:0;padding-left:20px;color:var(--ink-soft)}.tip-box li{margin:9px 0}.tip-box .btn{margin-top:20px;width:100%}
    .compat{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compat-card{border:1px solid var(--line);border-radius:18px;padding:25px;background:var(--surface)}.compat-card strong{display:block;font-size:20px;margin-bottom:8px}.compat-card p{font-size:14px;color:var(--muted);margin:0}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.faq-intro p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;padding:18px 0;color:var(--ink);font-weight:700}.faq-question span:last-child{font-size:23px;color:var(--coral)}.faq-ans{display:none;padding:0 35px 19px 0;color:var(--muted);font-size:14px}.faq-item.open .faq-ans{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:55px 0;background:var(--purple);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin-bottom:9px}.cta p{color:#d8ccdf;margin:0}.cta-actions{display:flex;gap:11px;flex-wrap:wrap;flex:none}
    .footer{background:#241a31;color:#fff;padding:56px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:38px}.footer h3{font-size:15px;margin:5px 0 15px}.footer-grid>div>a:not(.logo){display:block;color:#cfc3d5;font-size:14px;margin:7px 0}.footer-note{color:#b9adbf;font-size:13px;line-height:1.8}.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #493951;margin-top:35px;padding-top:18px;color:#9f91a7;font-size:12px}
    @media(max-width:1100px){.header-inner{gap:15px}.logo{min-width:220px}.nav a{padding:9px 7px;font-size:13px}.hero-grid{gap:38px}}
    @media(max-width:800px){.menu-toggle{display:block}.header-inner{height:70px}.header-cta{margin-left:auto}.nav{display:none;position:absolute;left:20px;right:20px;top:70px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px}.hero-grid,.guide-layout,.faq-wrap{grid-template-columns:1fr}.hero{padding-top:42px}.guide-layout,.faq-wrap{gap:35px}.check-strip{grid-template-columns:1fr}.cta-inner{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.container{width:min(100% - 28px,var(--container))}.logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:9px}.header-cta{display:none}.hero-actions,.hero-actions .btn,.cta-actions,.cta-actions .btn{width:100%}.hero{padding-bottom:42px}.section{padding:58px 0}.section-heading{display:block}.guide-board{padding:23px}.compat{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin:5px 0}.topbar{font-size:12px;text-align:center}}

/* roulang page: category4 */
:root{
      --ink:#281d38;--ink-soft:#594f69;--muted:#81788f;--paper:#fbf8f4;--surface:#fff;
      --line:#e9e1dd;--coral:#f0644f;--coral-dark:#d94b3a;--mint:#b9e7d7;--lime:#d9f06d;
      --purple:#342243;--purple-2:#49305c;--radius:18px;--shadow:0 16px 40px rgba(48,31,57,.10);
      --container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--coral-dark)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}
    .topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px}
    .topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
    .header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.8)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}
    .logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}
    .logo-text{font-size:17px}.logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}
    .header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.nav a:focus,.faq-question:focus,.menu-toggle:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}
    .btn-lime{background:var(--lime);color:var(--purple)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-.035em;font-weight:800}h2{font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.025em}h3{line-height:1.35}
    .hero{padding:76px 0 62px;background:linear-gradient(120deg,#fff8f1 0%,var(--paper) 58%,#f2eee8 100%);border-bottom:1px solid var(--line)}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.04em}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}.eyebrow:before{content:"";width:28px;height:3px;background:var(--coral);border-radius:4px}
    .hero-copy p{font-size:18px;color:var(--ink-soft);max-width:670px;margin:23px 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;color:var(--muted);font-size:13px}.hero-meta b{color:var(--ink)}
    .news-board{background:var(--purple);border-radius:26px;padding:28px;color:#fff;box-shadow:var(--shadow);transform:rotate(1deg)}
    .board-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #665575;padding-bottom:18px;margin-bottom:8px}
    .board-title{font-size:18px;font-weight:800}.status{font-size:12px;background:var(--lime);color:var(--purple);border-radius:20px;padding:5px 10px;font-weight:800}
    .board-item{display:grid;grid-template-columns:52px 1fr;gap:15px;padding:18px 0;border-bottom:1px solid #665575}.board-item:last-child{border-bottom:0}
    .board-date{font-size:12px;color:var(--lime);font-weight:700}.board-item h3{font-size:15px;margin:0 0 4px}.board-item p{font-size:12px;color:#d6c9db;margin:0}
    .section{padding:78px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-heading p{margin:8px 0 0;color:var(--muted);max-width:650px}
    .crumb{font-size:13px;color:var(--muted);margin-bottom:20px}.crumb a{color:var(--coral-dark);font-weight:700}
    .filter-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px;padding:14px 0;border-bottom:1px solid var(--line)}
    .filters{display:flex;gap:8px;flex-wrap:wrap}.filter{border:1px solid var(--line);background:#fff;color:var(--ink-soft);border-radius:20px;padding:8px 15px;font-size:13px;transition:.2s}.filter:hover,.filter.active{background:#fff0ec;border-color:var(--coral);color:var(--coral-dark)}
    .update-note{font-size:13px;color:var(--muted);white-space:nowrap}
    .editorial-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px}
    .featured-news{background:var(--purple);color:#fff;border-radius:22px;padding:32px;min-height:360px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
    .featured-news:after{content:"PG";position:absolute;right:-14px;top:20px;color:rgba(255,255,255,.06);font-size:170px;font-weight:900;line-height:1}
    .featured-news>*{position:relative;z-index:1}.tag{display:inline-block;font-size:12px;color:var(--coral-dark);font-weight:800}.featured-news .tag{color:var(--lime)}
    .featured-news h3{font-size:27px;margin:14px 0}.featured-news p{color:#d6c9db;margin:0 0 20px;font-size:15px}
    .article-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:22px;padding:8px 25px}
    .article-item{display:grid;grid-template-columns:88px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}.article-item:last-child{border-bottom:0}
    .article-item time{font-size:12px;color:var(--muted)}.article-item h3{font-size:17px;margin:0 0 3px}.article-item p{font-size:13px;color:var(--muted);margin:0}.article-item a{font-size:13px;color:var(--coral-dark);font-weight:800;white-space:nowrap}
    .timeline{position:relative;max-width:900px;margin:auto}.timeline:before{content:"";position:absolute;left:90px;top:10px;bottom:10px;width:2px;background:#e6d8d1}
    .timeline-row{display:grid;grid-template-columns:90px 1fr;gap:28px;position:relative;padding-bottom:27px}.timeline-row:last-child{padding-bottom:0}.timeline-row time{font-size:13px;color:var(--coral-dark);font-weight:800;padding-top:17px}
    .timeline-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 22px;position:relative;transition:.2s}.timeline-card:before{content:"";position:absolute;left:-35px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--coral);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--coral)}
    .timeline-card:hover{transform:translateX(4px);box-shadow:var(--shadow)}.timeline-card h3{font-size:18px;margin:0 0 6px}.timeline-card p{color:var(--ink-soft);font-size:14px;margin:0}
    .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.notice{padding:23px;background:#fff;border:1px solid var(--line);border-radius:16px}.notice-icon{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:#fff0ec;color:var(--coral);font-weight:900;margin-bottom:15px}.notice h3{font-size:18px;margin-bottom:8px}.notice p{font-size:14px;color:var(--muted);margin:0}
    .faq-section{background:#f1ebe5}.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;padding:19px 0;color:var(--ink);font-weight:700}.faq-question span:last-child{font-size:23px;color:var(--coral)}.faq-answer{display:none;color:var(--ink-soft);font-size:14px;padding:0 38px 18px 0}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:62px 0;background:var(--purple);color:#fff}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{margin-bottom:10px}.cta p{color:#d6c9db;margin:0;max-width:650px}.cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}
    .footer{background:#241930;color:#fff;padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px}.footer .logo{min-width:0}.footer h3{font-size:15px;margin:5px 0 14px}.footer-grid>div>a:not(.logo){display:block;color:#cfc3d5;font-size:14px;margin:7px 0}.footer-grid>div>a:not(.logo):hover{color:var(--lime)}.footer-note{font-size:13px;color:#b9adbf;line-height:1.8;margin:16px 0 0}.copyright{border-top:1px solid #49384e;margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#a99caf;font-size:12px}
    @media(max-width:1100px){.header-inner{gap:14px}.logo{min-width:220px}.nav a{padding:9px 7px;font-size:13px}.hero-grid{gap:38px}}
    @media(max-width:900px){.nav{display:none}.menu-toggle{display:block;margin-left:auto}.header-cta{display:none}.header-inner{height:70px}.nav.open{position:absolute;display:flex;flex-direction:column;align-items:stretch;top:70px;left:0;right:0;padding:14px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav.open a{padding:12px}.hero-grid,.editorial-grid{grid-template-columns:1fr}.hero{padding:56px 0}.news-board{max-width:650px;transform:none}.notice-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:640px){.container{width:min(100% - 28px,var(--container))}.section{padding:57px 0}.section-heading,.filter-row,.cta-inner{display:block}.section-heading p{margin-top:12px}.filter-row>*{margin-bottom:12px}.update-note{white-space:normal}.hero-copy p{font-size:16px}.hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.article-list{padding:5px 17px}.article-item{grid-template-columns:1fr;gap:3px;padding:17px 0}.article-item a{margin-top:7px}.timeline:before{left:7px}.timeline-row{grid-template-columns:1fr;gap:5px;padding-left:28px}.timeline-row time{padding-top:0}.timeline-card:before{left:-28px;top:7px}.notice-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:24px}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}h1{font-size:37px}}

/* roulang page: category5 */
:root{
      --ink:#281d38;--ink-soft:#594f69;--muted:#81788f;--paper:#fbf8f4;--surface:#fff;
      --line:#e9e1dd;--coral:#f0644f;--coral-dark:#d94b3a;--mint:#b9e7d7;--lime:#d9f06d;
      --purple:#342243;--purple-2:#49305c;--radius:18px;--shadow:0 16px 40px rgba(48,31,57,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--coral-dark)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}
    .topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px}
    .topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
    .header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.8)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}
    .logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}
    .logo-text{font-size:17px}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}
    .header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.nav a:focus,.faq-question:focus,.tab:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}
    .btn-lime{background:var(--lime);color:var(--purple)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{line-height:1.25;letter-spacing:-.025em}
    h1{font-size:clamp(35px,5vw,62px);font-weight:800}
    h2{font-size:clamp(28px,3.4vw,42px);font-weight:800}
    h3{font-weight:750}
    .hero{padding:70px 0 62px;background:linear-gradient(125deg,#fff8f1 0%,#fbf8f4 58%,#f0e8f0 100%);border-bottom:1px solid var(--line)}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.04em}
    .eyebrow:before{content:"";width:28px;height:3px;background:var(--coral);border-radius:4px}
    .hero h1{max-width:700px;margin:17px 0}
    .hero-copy p{font-size:18px;color:var(--ink-soft);max-width:650px;margin-bottom:26px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:13px}
    .hero-meta span{display:flex;align-items:center;gap:7px}
    .hero-meta b{color:var(--ink)}
    .version-board{background:var(--purple);color:#fff;border-radius:26px;padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .version-board:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:var(--coral);opacity:.18;right:-60px;top:-70px}
    .board-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #604c6b;padding-bottom:20px;margin-bottom:20px}
    .board-title{font-size:18px;font-weight:800}
    .status{background:var(--lime);color:var(--purple);border-radius:30px;padding:5px 10px;font-size:12px;font-weight:800}
    .board-version{font-size:46px;font-weight:800;line-height:1;margin:12px 0}
    .board-sub{color:#d9ccdf;font-size:14px}
    .board-row{display:flex;justify-content:space-between;gap:15px;padding:14px 0;border-bottom:1px solid #604c6b;color:#e9ddec;font-size:14px}
    .board-row b{color:#fff}
    .board-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
    .mini-tag{border:1px solid #75627e;color:#e9ddec;padding:6px 9px;border-radius:20px;font-size:11px}
    .section{padding:78px 0}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-heading h2{margin:8px 0 0}
    .section-heading p{margin:8px 0 0;color:var(--muted);max-width:620px}
    .intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px}
    .notice-card{background:var(--mint);border-radius:22px;padding:30px;min-height:260px}
    .notice-card .icon,.feature-icon{width:44px;height:44px;border-radius:13px;background:#fff;display:grid;place-items:center;color:var(--coral);font-weight:800;font-size:20px}
    .notice-card h3{font-size:25px;margin:20px 0 9px}
    .notice-card p{color:var(--ink-soft)}
    .feature-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px}
    .feature-panel h3{font-size:24px;margin-bottom:20px}
    .feature-list{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}
    .feature-item{display:flex;gap:13px;padding:16px 0;border-bottom:1px solid var(--line)}
    .feature-icon{width:34px;height:34px;min-width:34px;border-radius:10px;background:#fff0ec;font-size:15px}
    .feature-item h4{font-size:16px;margin:0 0 3px}
    .feature-item p{color:var(--muted);font-size:13px;margin:0}
    .timeline{position:relative;margin-top:12px;padding-left:30px}
    .timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#e5b6ac}
    .timeline-item{position:relative;padding:0 0 30px 25px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-29px;top:6px;width:18px;height:18px;border:4px solid var(--paper);border-radius:50%;background:var(--coral);box-shadow:0 0 0 1px var(--coral)}
    .timeline-date{color:var(--coral-dark);font-size:13px;font-weight:800}
    .timeline-item h3{font-size:20px;margin:5px 0}
    .timeline-item p{color:var(--muted);margin:0;max-width:700px}
    .compat-wrap{background:var(--purple);border-radius:24px;padding:34px;color:#fff}
    .compat-wrap h2{margin-bottom:10px}
    .compat-wrap>p{color:#d9ccdf;max-width:700px}
    .compat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:25px}
    .compat-card{border:1px solid #665170;border-radius:15px;padding:20px;background:rgba(255,255,255,.04)}
    .compat-card strong{display:block;font-size:18px;margin-bottom:6px}
    .compat-card span{font-size:13px;color:#d9ccdf}
    .checklist{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .check-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;display:flex;gap:14px;align-items:flex-start;transition:.2s}
    .check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .check-mark{width:27px;height:27px;border-radius:50%;background:var(--lime);display:grid;place-items:center;color:var(--purple);font-weight:800;flex:none}
    .check-item h3{font-size:17px;margin:0 0 4px}
    .check-item p{font-size:14px;color:var(--muted);margin:0}
    .faq-list{border-top:1px solid var(--line);max-width:850px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;padding:18px 0;color:var(--ink);font-weight:700}
    .faq-question span:last-child{font-size:23px;color:var(--coral)}
    .faq-ans{display:none;color:var(--muted);font-size:15px;padding:0 35px 18px 0}
    .faq-item.open .faq-ans{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:58px 0;background:var(--purple);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;gap:30px;align-items:center}
    .cta h2{margin-bottom:10px}
    .cta p{color:#d9ccdf;margin:0;max-width:650px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
    .footer{background:#241a31;color:#eee6f4;padding:58px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:42px}
    .footer .logo{color:#fff;margin-bottom:18px}
    .footer h3{font-size:15px;color:#fff;margin:3px 0 15px}
    .footer a:not(.logo){display:block;color:#cfc1d6;font-size:14px;margin:8px 0}
    .footer a:not(.logo):hover{color:var(--lime)}
    .footer-note{color:#b8a9c0;font-size:13px;max-width:300px;margin:0}
    .copyright{border-top:1px solid #4a3853;margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#a99aad;font-size:12px}
    @media(max-width:1200px){.nav a{padding:9px 7px;font-size:13px}.header-inner{gap:14px}.logo{min-width:225px}}
    @media(max-width:992px){.hero-grid,.intro-grid{grid-template-columns:1fr}.hero{padding-top:55px}.hero-visual{max-width:650px}.header-cta{display:none}.feature-list{gap:0 18px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 30px))}.header-inner{height:68px}.menu-toggle{display:block;margin-left:auto}.nav{display:none;position:absolute;left:15px;right:15px;top:74px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.hero{padding:48px 0}.hero-copy p{font-size:16px}.section{padding:58px 0}.section-heading{display:block}.feature-list,.checklist,.compat-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta-actions{margin-top:25px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:5px}}
    @media(max-width:520px){h1{font-size:35px}.hero-actions,.hero-actions .btn,.cta-actions .btn{width:100%}.version-board{padding:22px}.board-version{font-size:38px}.notice-card,.feature-panel,.compat-wrap{padding:23px}.footer-grid{grid-template-columns:1fr}.topbar{font-size:12px}.hero-meta{gap:10px;display:grid}}

/* roulang page: category6 */
:root{
      --ink:#281d38;
      --ink-soft:#594f69;
      --muted:#81788f;
      --paper:#fbf8f4;
      --surface:#fff;
      --line:#e9e1dd;
      --coral:#f0644f;
      --coral-dark:#d94b3a;
      --mint:#b9e7d7;
      --lime:#d9f06d;
      --purple:#342243;
      --purple-2:#49305c;
      --radius:18px;
      --shadow:0 16px 40px rgba(48,31,57,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--coral-dark)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .topbar{background:var(--purple);color:#eee6f4;font-size:13px;padding:9px 0}
    .topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px}
    .topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
    .header{position:sticky;top:0;z-index:20;background:rgba(251,248,244,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,225,221,.8)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:250px;font-weight:800;line-height:1.15}
    .logo-mark{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);display:grid;place-items:center;color:#fff;font-size:19px;box-shadow:5px 5px 0 var(--mint)}
    .logo-text{font-size:17px}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:var(--ink-soft);white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a:focus,.nav a.active{color:var(--coral-dark);background:#fff0ec}
    .header-cta{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:13px 20px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.nav a:focus,.faq-question:focus,.filter-btn:focus{outline:3px solid rgba(240,100,79,.3);outline-offset:2px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(240,100,79,.22)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-light{background:#fff;color:var(--purple);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--coral);color:var(--coral-dark)}
    .btn-lime{background:var(--lime);color:var(--purple)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{line-height:1.25;letter-spacing:-.025em}
    h1{font-size:clamp(34px,5vw,62px);font-weight:800}
    h2{font-size:clamp(28px,3vw,42px);font-weight:800}
    h3{font-size:20px;font-weight:800}
    .hero{padding:78px 0 58px;background:linear-gradient(115deg,#fff8f1 0%,#fbf8f4 58%,#eef8f2 100%)}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.04em;margin-bottom:18px}
    .eyebrow:before{content:"";width:28px;height:3px;background:var(--coral);border-radius:4px}
    .hero-copy p{font-size:18px;color:var(--ink-soft);max-width:680px;margin:22px 0 27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;color:var(--muted);font-size:13px}
    .hero-meta span{display:flex;align-items:center;gap:7px}
    .hero-meta b{color:var(--ink)}
    .question-board{background:var(--purple);border-radius:26px;padding:27px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .question-board:after{content:"?";position:absolute;right:17px;top:-24px;font-size:170px;font-weight:900;color:rgba(217,240,109,.12)}
    .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:18px;margin-bottom:20px}
    .board-label{font-size:13px;color:#dfd2e6}
    .board-status{font-size:12px;color:var(--lime);display:flex;align-items:center;gap:6px}
    .board-status i{width:7px;height:7px;border-radius:50%;background:var(--lime)}
    .board-search{position:relative;z-index:1;background:#fff;border-radius:12px;padding:14px 15px;color:var(--muted);font-size:14px;margin-bottom:16px}
    .board-items{display:grid;gap:10px;position:relative;z-index:1}
    .board-item{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:11px;background:rgba(255,255,255,.09);color:#f8f2fa;font-size:14px}
    .board-item b{color:var(--lime);font-size:18px}
    .section{padding:80px 0}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-heading p{margin:8px 0 0;color:var(--muted);max-width:650px}
    .filter-bar{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px}
    .filter-btn{border:1px solid var(--line);background:var(--surface);border-radius:30px;padding:9px 17px;color:var(--ink-soft);font-size:14px;transition:.2s}
    .filter-btn:hover,.filter-btn.active{background:#fff0ec;color:var(--coral-dark);border-color:#f6b0a5}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px;align-items:start}
    .faq-intro{background:var(--mint);border-radius:22px;padding:30px;position:sticky;top:110px}
    .faq-intro h2{font-size:30px}
    .faq-intro p{color:var(--ink-soft)}
    .faq-intro ul{padding:0;margin:22px 0 0;list-style:none}
    .faq-intro li{padding:11px 0;border-bottom:1px solid rgba(40,29,56,.14);font-weight:700}
    .faq-intro li:before{content:"✓";color:var(--coral-dark);margin-right:9px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;padding:19px 0;color:var(--ink);font-weight:700}
    .faq-question span:last-child{font-size:23px;color:var(--coral);transition:transform .2s}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-ans{display:none;padding:0 45px 20px 0;color:var(--ink-soft);font-size:15px}
    .faq-item.open .faq-ans{display:block}
    .faq-ans p:last-child{margin-bottom:0}
    .info-strip{padding:19px 22px;border-radius:14px;background:#fff4cf;border:1px solid #f0df9b;color:#63552b;margin-top:24px;font-size:14px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #d9cfca}
    .step{padding:25px 24px 10px 0;border-right:1px solid #d9cfca;margin-right:22px}
    .step:last-child{border-right:0}
    .step-no{width:34px;height:34px;border-radius:10px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:800}
    .step h3{font-size:19px;margin:14px 0 7px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .topic-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;transition:.2s}
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f3b0a5}
    .topic-card .topic-icon{font-size:25px;margin-bottom:12px}
    .topic-card h3{font-size:18px;margin-bottom:7px}
    .topic-card p{font-size:14px;color:var(--muted);margin-bottom:15px}
    .topic-card a{font-size:13px;color:var(--coral-dark);font-weight:800}
    .cta{background:var(--purple);color:#fff;border-radius:26px;padding:45px 50px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:32px;margin-bottom:10px}
    .cta p{color:#d8ccdf;margin:0;max-width:650px}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}
    .footer{background:#24182f;color:#fff;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1fr;gap:40px;padding-bottom:42px}
    .footer .logo{min-width:0}
    .footer .logo-text{color:#fff}
    .footer .logo-text small{color:#bcaec5}
    .footer h3{font-size:15px;margin:3px 0 15px;color:var(--lime)}
    .footer-grid>div>a:not(.logo){display:block;color:#d8ccdf;font-size:14px;padding:4px 0}
    .footer-grid>div>a:not(.logo):hover{color:var(--lime)}
    .footer-note{color:#bcaec5;font-size:13px;max-width:340px;margin:18px 0 0}
    .copyright{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#a99ab3;font-size:12px}
    @media(max-width:1200px){.nav{gap:0}.nav a{padding:9px 7px;font-size:13px}.header-inner{gap:14px}.logo{min-width:225px}}
    @media(max-width:992px){.nav{display:none;position:absolute;left:20px;right:20px;top:70px;background:var(--surface);padding:12px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.menu-toggle{display:block;margin-left:auto}.header-cta{display:none}.hero-grid,.faq-layout{grid-template-columns:1fr;gap:35px}.faq-intro{position:static}.topic-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 30px))}.hero{padding:55px 0 42px}.section{padding:58px 0}.section-heading{display:block}.section-heading p{margin-top:12px}.steps{grid-template-columns:1fr 1fr;gap:20px}.step{border-right:0;margin-right:0;border-bottom:1px solid #d9cfca;padding-bottom:20px}.cta{display:block;padding:34px 25px}.cta-actions{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:7px}}
    @media(max-width:520px){h1{font-size:35px}.hero-copy p{font-size:16px}.hero-actions,.hero-actions .btn,.cta-actions,.cta-actions .btn{width:100%}.hero-actions .btn,.cta-actions .btn{min-height:49px}.question-board{padding:22px}.topic-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.faq-ans{padding-right:0}.footer-grid{grid-template-columns:1fr}.topbar{font-size:12px}.logo-text{font-size:15px}.logo-text small{font-size:10px}}

/* 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}