/* roulang page: index */
:root{
      --ink:#17151b;
      --ink-deep:#100e13;
      --surface:#24202a;
      --surface-2:#302938;
      --plum:#6e3d68;
      --wine:#8c3f57;
      --amber:#d29b58;
      --paper:#f4eee7;
      --muted:#aaa0aa;
      --line:rgba(244,238,231,.14);
      --success:#77a889;
      --danger:#c96b70;
      --radius-lg:24px;
      --radius-md:16px;
      --shadow:0 18px 50px rgba(0,0,0,.24);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;
      background:var(--ink);
      color:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.75;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{
      position:sticky;top:0;z-index:30;
      background:rgba(23,21,27,.96);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{
      width:34px;height:34px;border-radius:10px 10px 10px 3px;
      display:grid;place-items:center;background:var(--amber);color:var(--ink-deep);
      font-size:17px;box-shadow:4px 4px 0 var(--plum)
    }
    .brand-text{font-size:16px}
    .nav-links{display:flex;align-items:center;gap:7px}
    .nav-link{
      padding:9px 14px;border-radius:10px;color:var(--muted);font-size:14px;
      transition:.22s ease
    }
    .nav-link:hover,.nav-link:focus-visible{color:var(--paper);background:var(--surface)}
    .nav-link.active{color:var(--paper);background:var(--plum)}
    .nav-status{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}
    .status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(119,168,137,.12)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:11px;
      font-size:14px;font-weight:700;transition:transform .2s,background .2s,border .2s,box-shadow .2s
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
      outline:3px solid rgba(210,155,88,.45);outline-offset:3px
    }
    .btn-primary{background:var(--amber);color:var(--ink-deep);box-shadow:0 8px 24px rgba(210,155,88,.18)}
    .btn-primary:hover{background:#e0ad6e}
    .btn-secondary{border-color:var(--line);background:transparent;color:var(--paper)}
    .btn-secondary:hover{background:var(--plum);border-color:var(--plum)}
    .hero{position:relative;overflow:hidden;padding:92px 0 72px;background:#1c1821}
    .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
    .hero:before{width:360px;height:360px;right:-90px;top:-130px;background:rgba(110,61,104,.28)}
    .hero:after{width:230px;height:230px;left:-100px;bottom:-110px;background:rgba(140,63,87,.2)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--amber);font-size:12px;letter-spacing:.12em;font-weight:700;text-transform:uppercase}
    .hero h1{margin:18px 0 20px;max-width:680px;font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-.055em}
    .hero-copy{max-width:650px;color:#c9bec8;font-size:16px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-note{margin-top:20px;color:var(--muted);font-size:12px}
    .signal-board{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;transform:rotate(2deg)}
    .signal-card{min-height:145px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);position:relative}
    .signal-card:nth-child(2){transform:translateY(26px);background:#332632}
    .signal-card:nth-child(3){transform:translateX(20px);background:#2b2632}
    .signal-card.wide{grid-column:span 2;min-height:104px;transform:translateY(8px)}
    .card-code{color:var(--amber);font-size:11px;font-weight:800;letter-spacing:.1em}
    .signal-card h3{font-size:18px;margin:12px 0 5px}
    .signal-card p{font-size:12px;color:var(--muted)}
    .mini-line{height:4px;border-radius:4px;background:rgba(244,238,231,.12);margin-top:16px;overflow:hidden}
    .mini-line i{display:block;height:100%;width:72%;background:var(--amber);border-radius:4px}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
    .section-kicker{color:var(--amber);font-size:12px;font-weight:800;letter-spacing:.12em}
    .section h2{font-size:clamp(25px,3vw,38px);line-height:1.25;letter-spacing:-.04em;margin-top:7px}
    .section-intro{max-width:570px;color:var(--muted);font-size:14px}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--surface)}
    .metric{padding:24px 22px;border-right:1px solid var(--line);position:relative}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:32px;line-height:1.1;color:var(--paper);font-variant-numeric:tabular-nums}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:10px}
    .metric small{display:block;color:var(--success);font-size:11px;margin-top:13px}
    .matrix{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
    .matrix-side{display:grid;gap:16px}
    .topic-card{padding:28px;min-height:220px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);transition:.25s;position:relative;overflow:hidden}
    .topic-card:hover{transform:translateY(-4px);border-color:rgba(210,155,88,.55);box-shadow:var(--shadow)}
    .topic-card.main{min-height:456px;background:linear-gradient(140deg,#352837 0%,#24202a 58%)}
    .topic-card.gold{background:#342a25}
    .topic-card h3{font-size:24px;margin:18px 0 8px}
    .topic-card p{color:var(--muted);font-size:14px;max-width:490px}
    .topic-card .arrow{position:absolute;right:24px;bottom:22px;color:var(--amber);font-size:23px}
    .badges{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}
    .badge{display:inline-flex;padding:4px 9px;border-radius:999px;background:rgba(244,238,231,.08);color:#d5cbd3;font-size:11px}
    .badge.amber{background:rgba(210,155,88,.14);color:var(--amber)}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .compare-panel{padding:30px;border-radius:20px;border:1px solid var(--line);background:var(--surface)}
    .compare-panel.highlight{background:#302333;border-color:rgba(210,155,88,.42)}
    .compare-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
    .compare-title h3{font-size:20px}
    .compare-list{list-style:none}
    .compare-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);color:#c9bec8;font-size:14px}
    .compare-list li:last-child{border-bottom:0}
    .compare-list b{color:var(--amber);font-size:16px}
    .info-layout{display:grid;grid-template-columns:1fr .72fr;gap:18px}
    .news-list,.recommend-box{border:1px solid var(--line);border-radius:20px;background:var(--surface)}
    .news-item{display:flex;justify-content:space-between;gap:20px;padding:20px 24px;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:var(--surface-2)}
    .news-item h3{font-size:15px;font-weight:700}
    .news-item p{font-size:12px;color:var(--muted);margin-top:4px}
    .news-date{color:var(--amber);font-size:11px;white-space:nowrap}
    .recommend-box{padding:26px}
    .recommend-box h3{font-size:20px;margin-bottom:14px}
    .recommend-box p{font-size:13px;color:var(--muted)}
    .recommend-links{display:grid;gap:9px;margin-top:20px}
    .recommend-links a{padding:12px 14px;border-radius:10px;background:rgba(244,238,231,.06);font-size:13px;color:#ded3db}
    .recommend-links a:hover{background:var(--plum)}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:40px;align-items:start}
    .faq-label{display:inline-flex;color:var(--success);font-size:12px;border:1px solid rgba(119,168,137,.3);padding:5px 9px;border-radius:999px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:18px 0}
    summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;font-size:15px;font-weight:700}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--amber);font-size:20px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{padding:13px 32px 0 0;color:var(--muted);font-size:13px}
    .form-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;padding:42px;border:1px solid rgba(210,155,88,.4);border-radius:26px;background:#29212a;box-shadow:var(--shadow)}
    .form-panel h2{font-size:32px;line-height:1.3;margin:12px 0}
    .form-panel p{color:var(--muted);font-size:14px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:span 2}
    label{font-size:12px;color:#e3d8df}
    input,textarea,select{width:100%;border:1px solid var(--line);border-radius:10px;background:#1d1921;color:var(--paper);padding:12px 13px;font-size:13px;transition:.2s}
    textarea{min-height:110px;resize:vertical}
    input:hover,textarea:hover,select:hover{border-color:rgba(210,155,88,.45)}
    input:focus,textarea:focus,select:focus{border-color:var(--amber);background:#211c25}
    .check{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-size:12px}
    .check input{width:16px;margin-top:4px;accent-color:var(--amber)}
    .form-message{display:none;padding:12px;border-radius:10px;background:rgba(119,168,137,.12);color:#a9d2b4;font-size:12px}
    .share-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 26px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
    .share-strip p{color:var(--muted);font-size:13px}
    .site-footer{padding:52px 0 28px;background:var(--ink-deep);border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px}
    .footer-title{font-weight:800;margin-bottom:14px}
    .footer-heading{color:var(--amber);font-size:12px;margin-bottom:13px}
    .footer-links{display:grid;gap:8px;color:var(--muted);font-size:12px}
    .footer-links a:hover{color:var(--paper)}
    .copyright{display:flex;justify-content:space-between;gap:15px;padding-top:28px;margin-top:35px;border-top:1px solid var(--line);color:#776f79;font-size:11px}
    .bottom-tabs{display:none}
    .modal{position:fixed;inset:0;z-index:50;display:none;place-items:center;padding:20px;background:rgba(10,8,12,.78)}
    .modal.show{display:grid}
    .modal-card{max-width:460px;padding:32px;border:1px solid rgba(210,155,88,.45);border-radius:22px;background:var(--surface);box-shadow:var(--shadow)}
    .modal-card h2{font-size:25px;margin:12px 0}
    .modal-card p{font-size:13px;color:var(--muted);line-height:1.8}
    .modal-actions{display:flex;gap:10px;margin-top:23px}
    @media(max-width:850px){
      .nav-status{display:none}.hero-grid,.form-panel,.faq-wrap,.info-layout{grid-template-columns:1fr;gap:34px}
      .hero{padding:70px 0 58px}.signal-board{max-width:560px;transform:none}
      .metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}.form-panel{padding:28px}
    }
    @media(max-width:620px){
      body{padding-bottom:72px}.container{width:min(100% - 28px,1180px)}
      .site-header{position:relative}.nav-wrap{height:68px}.brand-text{font-size:14px}.nav-links{display:none}
      .hero h1{font-size:37px}.hero-copy{font-size:14px}.section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .matrix,.compare{grid-template-columns:1fr}.topic-card.main{min-height:300px}.topic-card{min-height:190px}
      .signal-card{min-height:130px;padding:16px}.signal-card h3{font-size:15px}
      .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.form-panel h2{font-size:27px}
      .share-strip{display:block}.share-strip .btn{margin-top:15px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:7px}
      .bottom-tabs{position:fixed;display:grid;grid-template-columns:repeat(3,1fr);z-index:40;bottom:0;left:0;right:0;height:68px;background:#151219;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
      .bottom-tabs a{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;color:var(--muted);font-size:11px}
      .bottom-tabs a span:first-child{font-size:18px;line-height:1}.bottom-tabs a.active{color:var(--amber)}
    }

/* roulang page: category2 */
:root{
 --ink:#17151b;--ink-deep:#100e13;--surface:#24202a;--surface-2:#302938;
 --plum:#6e3d68;--wine:#8c3f57;--amber:#d29b58;--paper:#f4eee7;
 --muted:#aaa0aa;--line:rgba(244,238,231,.14);--success:#77a889;
 --danger:#c96b70;--radius-lg:24px;--radius-md:16px;
 --shadow:0 18px 50px rgba(0,0,0,.24);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;background:var(--ink);color:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;padding-bottom:0}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(23,21,27,.97);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;display:grid;place-items:center;background:var(--amber);color:var(--ink-deep);font-size:17px;box-shadow:4px 4px 0 var(--plum)}
.brand-text{font-size:16px}
.nav-links{display:flex;align-items:center;gap:7px}
.nav-link{padding:9px 14px;border-radius:10px;color:var(--muted);font-size:14px;transition:.22s ease}
.nav-link:hover,.nav-link:focus-visible{color:var(--paper);background:var(--surface)}
.nav-link.active{color:var(--paper);background:var(--plum)}
.nav-status{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(119,168,137,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:11px;font-size:14px;font-weight:700;transition:transform .2s,background .2s,border .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid rgba(210,155,88,.45);outline-offset:3px}
.btn-primary{background:var(--amber);color:var(--ink-deep);box-shadow:0 8px 24px rgba(210,155,88,.18)}
.btn-primary:hover{background:#e0ad6e}
.btn-secondary{border-color:var(--line);background:transparent;color:var(--paper)}
.btn-secondary:hover{background:var(--plum);border-color:var(--plum)}
.page-intro{padding:82px 0 58px;background:#1c1821;position:relative;overflow:hidden}
.page-intro:after{content:"";position:absolute;width:420px;height:420px;right:-160px;top:-210px;border:1px solid rgba(210,155,88,.25);border-radius:50%;box-shadow:0 0 0 32px rgba(110,61,104,.08),0 0 0 72px rgba(140,63,87,.06)}
.intro-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:end}
.eyebrow,.section-kicker{color:var(--amber);font-size:12px;font-weight:800;letter-spacing:.12em}
.page-intro h1{margin:16px 0 17px;max-width:720px;font-size:clamp(35px,5vw,58px);line-height:1.16;letter-spacing:-.055em}
.intro-copy{max-width:680px;color:#c9bec8;font-size:16px;line-height:1.9}
.topic-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:rgba(244,238,231,.08);color:#d5cbd3;font-size:11px}
.badge.amber{background:rgba(210,155,88,.14);color:var(--amber)}
.badge.green{background:rgba(119,168,137,.13);color:#9bc3a7}
.route-panel{padding:25px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.route-panel h2{font-size:17px;margin:0 0 17px}
.route-line{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line)}
.route-number{color:var(--amber);font-size:12px;font-weight:800;min-width:27px}
.route-line strong{display:block;font-size:14px}
.route-line span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.section{padding:82px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
.section h2{font-size:clamp(25px,3vw,38px);line-height:1.25;letter-spacing:-.04em;margin:7px 0 0}
.section-intro{max-width:570px;color:var(--muted);font-size:14px}
.track{display:flex;gap:18px;overflow-x:auto;padding:5px 3px 18px;scrollbar-color:var(--plum) transparent}
.guide-card{flex:0 0 300px;min-height:260px;padding:25px;background:var(--surface);border:1px solid var(--line);border-radius:20px;position:relative;transition:.25s}
.guide-card:hover{transform:translateY(-4px);border-color:rgba(210,155,88,.55);box-shadow:var(--shadow)}
.guide-card.featured{background:#332632;border-color:rgba(210,155,88,.3)}
.card-code{color:var(--amber);font-size:11px;font-weight:800;letter-spacing:.1em}
.guide-card h3{font-size:20px;margin:17px 0 8px}
.guide-card p{color:var(--muted);font-size:13px}
.guide-card .arrow{position:absolute;right:22px;bottom:19px;color:var(--amber);font-size:20px}
.status-strip{margin-top:18px;display:flex;align-items:center;gap:8px;color:var(--success);font-size:12px}
.split-panel{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface)}
.state-box{padding:33px}
.state-box:first-child{background:#211d25;border-right:1px solid var(--line)}
.state-box:last-child{background:#302631}
.state-label{font-size:12px;color:var(--muted);letter-spacing:.08em}
.state-box h3{font-size:22px;margin:12px 0 17px}
.state-list{list-style:none;padding:0;margin:0}
.state-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px;color:#cfc5cd}
.state-list li:last-child{border:0}
.state-list b{color:var(--amber)}
.info-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:28px;align-items:start}
.note-card{padding:28px;background:#342a25;border:1px solid rgba(210,155,88,.3);border-radius:20px}
.note-card h3{font-size:20px;margin:0 0 10px}
.note-card p{color:#d2c4bb;font-size:13px}
.faq-list{border:1px solid var(--line);border-radius:20px;background:var(--surface);overflow:hidden}
details{border-bottom:1px solid var(--line)}
details:last-child{border-bottom:0}
summary{list-style:none;cursor:pointer;padding:19px 23px;display:flex;justify-content:space-between;gap:18px;font-size:14px;font-weight:700}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--amber);font-size:20px;line-height:1}
details[open] summary:after{content:"－"}
details p{padding:0 23px 20px;color:var(--muted);font-size:13px;margin:0}
.feedback{background:#211c25;border:1px solid rgba(210,155,88,.3);border-radius:var(--radius-lg);padding:38px}
.feedback-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}
.feedback h2{margin-top:7px}
.feedback-copy{color:var(--muted);font-size:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:#e0d5dc;font-weight:700}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:11px;background:#17151b;color:var(--paper);padding:12px 13px;font-size:13px;transition:.2s}
.field textarea{min-height:120px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#756d76}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(210,155,88,.45)}
.checkline{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-size:12px;margin:16px 0}
.checkline input{margin-top:5px;accent-color:var(--amber)}
.form-message{display:none;margin-top:14px;color:var(--success);font-size:13px}
.site-footer{padding:52px 0 26px;background:var(--ink-deep);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer-title{font-size:18px;font-weight:800}
.footer-heading{font-size:13px;font-weight:800;margin-bottom:12px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{color:var(--muted);font-size:12px;transition:.2s}
.footer-links a:hover,.footer-links a:focus-visible{color:var(--amber)}
.copyright{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding-top:25px;margin-top:30px;border-top:1px solid var(--line);color:#756d76;font-size:11px}
.bottom-tabs{display:none}
.modal-backdrop{display:none;position:fixed;inset:0;background:rgba(16,14,19,.78);z-index:60;align-items:center;justify-content:center;padding:20px}
.age-modal{max-width:430px;background:var(--surface);border:1px solid rgba(210,155,88,.4);border-radius:22px;padding:30px;box-shadow:var(--shadow)}
.age-modal h2{font-size:23px;margin:0 0 10px}
.age-modal p{color:var(--muted);font-size:13px}
.modal-actions{display:flex;gap:10px;margin-top:22px}
@media(max-width:900px){.nav-status{display:none}.intro-grid,.feedback-grid,.info-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.route-panel{max-width:560px}}
@media(max-width:640px){
 .container{width:min(100% - 28px,560px)}.nav-wrap{height:68px;gap:12px}.brand-text{font-size:14px}.brand-mark{width:31px;height:31px}
 .nav-links{display:none}.nav-wrap>.btn{padding:0 12px;font-size:12px}.page-intro{padding:58px 0 45px}.page-intro h1{font-size:37px}
 .section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:12px}.split-panel{grid-template-columns:1fr}.state-box:first-child{border-right:0;border-bottom:1px solid var(--line)}
 .feedback{padding:25px 20px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
 .bottom-tabs{display:flex;position:fixed;z-index:40;bottom:0;left:0;right:0;height:66px;padding-bottom:env(safe-area-inset-bottom);background:rgba(16,14,19,.98);border-top:1px solid var(--line);justify-content:space-around}
 .bottom-tabs a{min-width:70px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:11px}.bottom-tabs a span:first-child{font-size:18px;line-height:1}.bottom-tabs a.active{color:var(--amber)}
 body{padding-bottom:72px}
}

/* roulang page: category1 */
:root{
      --ink:#17151b;
      --ink-deep:#100e13;
      --surface:#24202a;
      --surface-2:#302938;
      --plum:#6e3d68;
      --wine:#8c3f57;
      --amber:#d29b58;
      --paper:#f4eee7;
      --muted:#aaa0aa;
      --line:rgba(244,238,231,.14);
      --success:#77a889;
      --danger:#c96b70;
      --radius-lg:24px;
      --radius-md:16px;
      --shadow:0 18px 50px rgba(0,0,0,.24);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      min-width:320px;margin:0;background:var(--ink);color:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.75;padding-bottom:0
    }
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(23,21,27,.97);border-bottom:1px solid var(--line)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;display:grid;place-items:center;background:var(--amber);color:var(--ink-deep);font-size:17px;box-shadow:4px 4px 0 var(--plum)}
    .brand-text{font-size:16px}
    .nav-links{display:flex;align-items:center;gap:7px}
    .nav-link{padding:9px 14px;border-radius:10px;color:var(--muted);font-size:14px;transition:.22s ease}
    .nav-link:hover,.nav-link:focus-visible{color:var(--paper);background:var(--surface)}
    .nav-link.active{color:var(--paper);background:var(--plum)}
    .nav-status{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}
    .status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(119,168,137,.12)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:11px;font-size:14px;font-weight:700;transition:transform .2s,background .2s,border .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid rgba(210,155,88,.45);outline-offset:3px}
    .btn-primary{background:var(--amber);color:var(--ink-deep);box-shadow:0 8px 24px rgba(210,155,88,.18)}
    .btn-primary:hover{background:#e0ad6e}
    .btn-secondary{border-color:var(--line);background:transparent;color:var(--paper)}
    .btn-secondary:hover{background:var(--plum);border-color:var(--plum)}
    .page-hero{padding:74px 0 58px;background:#1c1821;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:420px;height:420px;right:-180px;top:-220px;border-radius:50%;background:rgba(110,61,104,.24)}
    .hero-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:end;gap:48px}
    .eyebrow,.section-kicker{color:var(--amber);font-size:12px;letter-spacing:.12em;font-weight:800}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-.055em;margin:16px 0 18px}
    .hero-copy{max-width:660px;color:#c9bec8;font-size:16px;line-height:1.9}
    .hero-meta{min-width:270px;padding:21px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
    .meta-line{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}
    .meta-line:last-child{border-bottom:0;padding-bottom:0}
    .meta-line span{color:var(--muted)}
    .meta-line strong{color:var(--paper)}
    .section{padding:72px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px}
    .section h2{font-size:clamp(25px,3vw,38px);line-height:1.25;letter-spacing:-.04em;margin:7px 0 0}
    .section-intro{max-width:570px;color:var(--muted);font-size:14px}
    .filter-bar{display:grid;grid-template-columns:1.5fr auto auto auto;gap:10px;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:18px;margin-bottom:28px}
    .search-box{display:flex;align-items:center;gap:10px;padding:0 14px;min-height:46px;border:1px solid var(--line);border-radius:11px;background:var(--ink);color:var(--muted)}
    .search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--paper);font-size:14px}
    .filter-select{min-height:46px;padding:0 13px;border:1px solid var(--line);border-radius:11px;background:var(--ink);color:var(--paper);font-size:13px}
    .filter-button{min-height:46px;padding:0 15px;border:1px solid var(--line);border-radius:11px;background:transparent;color:var(--muted);transition:.2s}
    .filter-button:hover,.filter-button.active{background:var(--plum);border-color:var(--plum);color:var(--paper)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px;align-items:start}
    .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .content-card{display:grid;grid-template-columns:132px 1fr;gap:18px;padding:15px;background:var(--surface);border:1px solid var(--line);border-radius:18px;transition:.25s;min-height:190px}
    .content-card:hover{transform:translateY(-3px);border-color:rgba(210,155,88,.58);box-shadow:var(--shadow)}
    .abstract-cover{position:relative;min-height:158px;border-radius:13px;overflow:hidden;background:linear-gradient(145deg,#493044,#8c3f57 52%,#d29b58);display:flex;align-items:end;padding:12px}
    .abstract-cover:before{content:"";position:absolute;inset:18px 18px 36px;border:1px solid rgba(244,238,231,.36);border-radius:50% 35% 45% 30%;transform:rotate(-18deg)}
    .abstract-cover:after{content:"索引";position:absolute;right:12px;top:12px;font-size:10px;color:#fff;opacity:.7}
    .cover-text{position:relative;font-size:11px;color:#fff;letter-spacing:.08em}
    .card-top{display:flex;justify-content:space-between;gap:8px;align-items:center}
    .badge{display:inline-flex;padding:4px 9px;border-radius:999px;background:rgba(244,238,231,.08);color:#d5cbd3;font-size:11px;white-space:nowrap}
    .badge.amber{background:rgba(210,155,88,.14);color:var(--amber)}
    .badge.green{background:rgba(119,168,137,.13);color:#9dccaa}
    .content-card h3{font-size:17px;line-height:1.4;margin:15px 0 8px}
    .content-card p{font-size:12px;color:var(--muted);line-height:1.7;margin-bottom:14px}
    .card-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--muted);font-size:11px}
    .text-link{color:var(--amber);font-weight:700}
    .text-link:hover{color:#e0ad6e}
    .status-panel{padding:24px;background:#302631;border:1px solid rgba(210,155,88,.28);border-radius:20px;position:sticky;top:98px}
    .status-panel h3{font-size:19px;margin:12px 0 7px}
    .status-panel p{color:var(--muted);font-size:13px;line-height:1.8}
    .status-list{list-style:none;padding:0;margin:22px 0}
    .status-list li{display:flex;gap:10px;padding:13px 0;border-bottom:1px solid var(--line);font-size:13px}
    .status-list li:last-child{border-bottom:0}
    .check{color:var(--success);font-weight:800}
    .notice{margin-top:18px;padding:13px 14px;border-radius:12px;background:rgba(244,238,231,.06);color:#cfc3cc;font-size:12px;line-height:1.7}
    .pagination{display:flex;justify-content:center;gap:8px;margin-top:30px}
    .page-number{min-width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--muted);display:grid;place-items:center;transition:.2s}
    .page-number:hover,.page-number.current{background:var(--plum);border-color:var(--plum);color:var(--paper)}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:40px;align-items:start}
    .faq-label{display:inline-flex;color:var(--success);font-size:12px;border:1px solid rgba(119,168,137,.35);padding:5px 10px;border-radius:999px}
    .faq-list{border:1px solid var(--line);border-radius:20px;background:var(--surface);overflow:hidden}
    details{border-bottom:1px solid var(--line);padding:0 22px}
    details:last-child{border-bottom:0}
    summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:700;font-size:15px;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--amber);font-size:20px;line-height:1}
    details[open] summary:after{content:"－"}
    .answer{padding:0 38px 20px 0;color:var(--muted);font-size:13px;line-height:1.85}
    .cta-panel{padding:36px;background:#332632;border:1px solid rgba(210,155,88,.34);border-radius:24px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-panel h2{font-size:28px;line-height:1.35;margin:0 0 8px}
    .cta-panel p{color:var(--muted);font-size:14px;margin:0}
    .site-footer{padding:52px 0 28px;background:var(--ink-deep);border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
    .footer-title{font-weight:800;font-size:17px}
    .footer-heading{font-size:13px;font-weight:800;margin-bottom:13px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:var(--muted);font-size:12px;transition:.2s}
    .footer-links a:hover{color:var(--amber)}
    .copyright{display:flex;justify-content:space-between;gap:20px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:#827883;font-size:11px}
    .bottom-tabs{display:none}
    .modal-backdrop{display:none;position:fixed;inset:0;z-index:60;background:rgba(16,14,19,.82);align-items:center;justify-content:center;padding:20px}
    .modal-backdrop.show{display:flex}
    .modal{width:min(440px,100%);padding:28px;background:var(--surface);border:1px solid rgba(210,155,88,.42);border-radius:22px;box-shadow:var(--shadow)}
    .modal h2{font-size:24px;margin:0 0 10px}
    .modal p{color:var(--muted);font-size:13px;line-height:1.8}
    .modal-actions{display:flex;gap:10px;margin-top:22px}
    @media(max-width:1000px){
      .nav-status{display:none}
      .content-layout{grid-template-columns:1fr}
      .status-panel{position:static}
    }
    @media(max-width:760px){
      .container{width:min(100% - 28px,620px)}
      .nav-wrap{height:66px;gap:12px}
      .brand-text{font-size:14px}
      .nav-links{display:none}
      .nav-wrap>.btn{min-height:38px;padding:0 11px;font-size:12px}
      .page-hero{padding:54px 0 42px}
      .hero-inner{display:block}
      h1{font-size:38px}
      .hero-copy{font-size:14px}
      .hero-meta{margin-top:28px}
      .filter-bar{grid-template-columns:1fr 1fr}
      .search-box{grid-column:1/-1}
      .content-layout,.faq-wrap{display:block}
      .card-grid{grid-template-columns:1fr}
      .status-panel{margin-top:20px}
      .faq-list{margin-top:26px}
      .cta-panel{display:block;padding:28px}
      .cta-panel .btn{margin-top:20px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr}
      .copyright{display:block;line-height:2}
      .copyright span{display:block}
      .bottom-tabs{position:fixed;display:grid;grid-template-columns:repeat(3,1fr);bottom:0;left:0;right:0;z-index:40;background:rgba(16,14,19,.98);border-top:1px solid var(--line);padding:7px 10px calc(7px + env(safe-area-inset-bottom))}
      .bottom-tabs a{text-align:center;color:var(--muted);font-size:11px;padding:5px;border-radius:9px}
      .bottom-tabs a.active{background:var(--plum);color:var(--paper)}
      .bottom-tabs strong{display:block;font-size:16px;line-height:1.2}
      body{padding-bottom:65px}
    }
    @media(max-width:430px){
      .content-card{grid-template-columns:100px 1fr;gap:12px;padding:12px}
      .abstract-cover{min-height:150px}
      .content-card h3{font-size:15px}
      .filter-bar{display:flex;flex-wrap:wrap}
      .search-box{width:100%}
      .filter-select,.filter-button{flex:1}
      .footer-grid{grid-template-columns:1fr}
      .modal-actions{flex-direction:column}
    }