/* roulang page: index */
:root{
      --bg:#17131b;
      --bg-soft:#1d1720;
      --panel:#211b25;
      --panel-2:#2b2230;
      --panel-3:#342737;
      --line:rgba(244,226,231,.13);
      --line-strong:rgba(226,123,145,.48);
      --text:#f6eeed;
      --muted:#b9abb4;
      --subtle:#887a84;
      --primary:#b8516e;
      --primary-hover:#d16782;
      --accent:#d87875;
      --cream:#f1e8e7;
      --success:#9bbb9d;
      --shadow:0 18px 50px rgba(0,0,0,.26);
      --radius:18px;
      --radius-sm:12px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--text);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;
      line-height:1.75;overflow-x:hidden;
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;opacity:.55;
      background:radial-gradient(circle at 85% 10%,rgba(184,81,110,.12),transparent 24rem),
      radial-gradient(circle at 15% 80%,rgba(216,120,117,.07),transparent 28rem);
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(216,120,117,.7);outline-offset:3px
    }
    .shell{min-height:100vh;display:flex;position:relative}
    .sidebar{
      width:244px;min-height:100vh;position:fixed;inset:0 auto 0 0;z-index:40;
      display:flex;flex-direction:column;padding:25px 16px 18px;
      background:#19141d;border-right:1px solid var(--line);
    }
    .brand{
      display:flex;align-items:flex-start;gap:10px;padding:8px 9px 25px;
      border-bottom:1px solid var(--line);
    }
    .brand-mark{
      width:35px;height:42px;flex:0 0 auto;position:relative;border:1px solid var(--line-strong);
      border-radius:9px;background:linear-gradient(145deg,#362837,#211a25);
    }
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent)}
    .brand-mark:before{width:3px;height:23px;left:8px;top:8px;border-radius:9px}
    .brand-mark:after{width:11px;height:3px;left:14px;top:27px;border-radius:9px}
    .brand-name{font-weight:800;font-size:15px;line-height:1.35;letter-spacing:.02em}
    .brand-note{font-size:11px;color:var(--subtle);margin-top:3px}
    .nav-title{font-size:11px;letter-spacing:.12em;color:var(--subtle);padding:22px 10px 8px}
    .side-nav{display:grid;gap:5px}
    .nav-link{
      position:relative;display:flex;align-items:center;gap:11px;padding:11px 11px;border-radius:10px;
      color:var(--muted);font-size:14px;transition:.2s ease;
    }
    .nav-link:hover{color:var(--text);background:rgba(255,255,255,.045)}
    .nav-link.active{background:rgba(184,81,110,.18);color:var(--cream);font-weight:700}
    .nav-link.active:before{content:"";width:3px;height:21px;background:var(--accent);border-radius:99px}
    .nav-index{
      width:20px;height:20px;display:grid;place-items:center;border:1px solid var(--line);
      border-radius:6px;font-size:10px;color:var(--subtle)
    }
    .nav-link.active .nav-index{border-color:rgba(216,120,117,.6);color:var(--accent)}
    .sidebar-bottom{margin-top:auto;padding:16px 10px 4px;border-top:1px solid var(--line)}
    .age-chip{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:#e2cbd0}
    .age-dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
    .sidebar-bottom p{font-size:11px;line-height:1.65;color:var(--subtle);margin:8px 0 0}
    .main-wrap{width:calc(100% - 244px);margin-left:244px}
    .mobile-header{display:none}
    .container{max-width:1370px;margin:0 auto;padding:0 34px}
    .hero{padding:42px 0 28px}
    .hero-grid{
      position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
      background:linear-gradient(112deg,#29202d 0%,#201923 58%,#1c1720 100%);
      box-shadow:var(--shadow);
    }
    .hero-grid:after{
      content:"";position:absolute;right:-70px;top:-120px;width:390px;height:390px;border:1px solid rgba(216,120,117,.15);
      border-radius:50%;box-shadow:0 0 0 34px rgba(216,120,117,.035),0 0 0 68px rgba(216,120,117,.025);
    }
    .hero-inner{position:relative;z-index:1;padding:45px 46px 39px}
    .eyebrow{display:flex;align-items:center;gap:9px;color:#e8bbc5;font-size:12px;font-weight:700}
    .eyebrow i{display:block;width:28px;height:2px;background:var(--accent)}
    h1,h2,h3,p{margin-top:0}
    h1{max-width:850px;font-size:clamp(32px,4vw,57px);line-height:1.16;letter-spacing:-.045em;margin:15px 0 18px}
    .hero-copy{max-width:760px;color:#d2c5cc;font-size:15px;line-height:1.9;margin-bottom:24px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:11px}
    .btn{
      min-height:43px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 17px;
      border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:750;transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 23px rgba(184,81,110,.22)}
    .btn-primary:hover{background:var(--primary-hover);box-shadow:0 12px 27px rgba(184,81,110,.32)}
    .btn-secondary{background:rgba(255,255,255,.035);color:var(--cream);border-color:var(--line)}
    .btn-secondary:hover{background:rgba(255,255,255,.075);border-color:rgba(244,226,231,.28)}
    .btn-small{padding:8px 12px;min-height:36px;font-size:13px}
    .status-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
    .status-item{padding:8px 11px;border-left:2px solid var(--accent);background:rgba(0,0,0,.13);font-size:12px;color:#cdbdc5}
    .status-item strong{color:var(--text);font-weight:800;margin-right:5px}
    .section{padding:42px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}
    .section-kicker{color:#d998a6;font-size:11px;font-weight:800;letter-spacing:.12em;margin-bottom:6px}
    h2{font-size:clamp(23px,2.5vw,34px);line-height:1.3;letter-spacing:-.03em;margin-bottom:0}
    .section-intro{max-width:590px;color:var(--muted);font-size:14px;margin:10px 0 0}
    .panel{
      border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);
      box-shadow:0 10px 30px rgba(0,0,0,.12)
    }
    .metric-grid{display:grid;grid-template-columns:1.35fr .9fr .9fr 1.1fr;gap:12px}
    .metric-card{position:relative;overflow:hidden;padding:20px 19px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);transition:.2s ease}
    .metric-card:hover{transform:translateY(-3px);border-color:rgba(216,120,117,.4);background:var(--panel-2)}
    .metric-card.featured{background:linear-gradient(135deg,#302432,#271e2c)}
    .metric-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}
    .metric-no{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent);font-size:11px}
    .metric-value{font-size:28px;font-weight:850;letter-spacing:-.04em;margin:18px 0 0}
    .metric-label{font-size:14px;font-weight:700;margin-top:1px}
    .metric-note{font-size:12px;color:var(--subtle);margin:5px 0 13px}
    .progress{height:4px;border-radius:999px;background:#17131b;overflow:hidden}
    .progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .matrix{display:grid;grid-template-columns:1.15fr .85fr;gap:14px}
    .matrix-main{min-height:325px;padding:25px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
    .matrix-main:before{content:"01";position:absolute;right:20px;top:12px;color:rgba(241,232,231,.045);font:800 124px/1 ui-monospace,monospace}
    .card-status{display:inline-flex;align-items:center;gap:6px;width:max-content;padding:5px 8px;border:1px solid rgba(216,120,117,.3);border-radius:999px;color:#e8b8c3;background:rgba(184,81,110,.1);font-size:11px;font-weight:700}
    .card-status:before{content:"";width:6px;height:6px;background:var(--accent);border-radius:50%}
    .matrix-main h3{position:relative;font-size:27px;line-height:1.3;margin:18px 0 10px}
    .matrix-main p{position:relative;max-width:550px;font-size:14px;color:var(--muted);margin-bottom:21px}
    .card-foot{position:relative;display:flex;flex-wrap:wrap;justify-content:space-between;gap:13px;align-items:center;border-top:1px solid var(--line);padding-top:16px}
    .tiny-meta{font-size:12px;color:var(--subtle)}
    .matrix-side{display:grid;gap:14px}
    .matrix-card{padding:19px;position:relative;overflow:hidden}
    .matrix-card:hover{border-color:rgba(216,120,117,.45)}
    .matrix-card h3{font-size:18px;margin:12px 0 6px}
    .matrix-card p{font-size:13px;color:var(--muted);margin-bottom:14px}
    .matrix-card .mini-line{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--subtle);padding-top:11px;border-top:1px solid var(--line)}
    .index-rail{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:15px 17px}
    .index-rail strong{font-size:13px;margin-right:auto}
    .tag{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;border:1px solid var(--line);font-size:11px;color:#cdbfc5;background:rgba(255,255,255,.025);transition:.18s ease}
    .tag:hover,.tag.selected{color:var(--cream);border-color:rgba(216,120,117,.55);background:rgba(184,81,110,.12)}
    .compare-grid{display:grid;grid-template-columns:1fr 54px 1fr;align-items:stretch;gap:14px}
    .compare-card{padding:23px;min-height:295px}
    .compare-card h3{font-size:21px;margin:11px 0 7px}
    .compare-card>p{font-size:13px;color:var(--muted);margin-bottom:16px}
    .compare-mark{display:grid;place-items:center;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.08em}
    .compare-mark:before,.compare-mark:after{content:"";height:35%;width:1px;background:var(--line)}
    .compare-mark{grid-template-rows:1fr auto 1fr}
    .compare-list{list-style:none;padding:0;margin:0;display:grid;gap:0}
    .compare-list li{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-top:1px solid var(--line);font-size:13px}
    .compare-list span{color:var(--subtle)}
    .compare-list b{font-weight:700;color:#e3d7dc;text-align:right}
    .notice-band{margin-top:15px;padding:14px 16px;border-left:3px solid #9bbb9d;background:rgba(155,187,157,.08);color:#cbd8cc;font-size:13px}
    .updates-layout{display:grid;grid-template-columns:1.28fr .72fr;gap:14px}
    .update-list{padding:5px 20px}
    .update-item{display:grid;grid-template-columns:76px 1fr auto;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .update-item:last-child{border-bottom:none}
    .update-code{color:var(--accent);font:700 12px ui-monospace,SFMono-Regular,monospace}
    .update-item h3{font-size:15px;margin:0 0 2px}
    .update-item p{font-size:12px;color:var(--subtle);margin:0}
    .quote-card{padding:24px;background:linear-gradient(160deg,#302230,#231c27)}
    .quote-symbol{font:700 48px/1 Georgia,serif;color:var(--accent)}
    .quote-card blockquote{font-size:17px;line-height:1.75;margin:4px 0 17px;color:#eee2e5}
    .quote-card cite{font-style:normal;color:var(--subtle);font-size:12px}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:32px;align-items:start}
    .faq-side{padding:25px}
    .faq-side p{color:var(--muted);font-size:14px;margin:14px 0 20px}
    .faq-list{display:grid;gap:10px}
    .faq-item{border:1px solid var(--line);background:var(--panel);border-radius:12px;overflow:hidden}
    .faq-question{width:100%;display:flex;align-items:center;gap:13px;text-align:left;padding:16px 18px;background:transparent;color:var(--text);border:0;font-weight:750;font-size:14px}
    .faq-number{flex:0 0 auto;width:25px;height:25px;display:grid;place-items:center;border:1px solid var(--line-strong);border-radius:7px;color:var(--accent);font:700 10px ui-monospace,monospace}
    .faq-icon{margin-left:auto;color:var(--muted);font-size:18px;transition:transform .2s ease}
    .faq-item.open{border-color:rgba(216,120,117,.4)}
    .faq-item.open .faq-icon{transform:rotate(45deg);color:var(--accent)}
    .faq-answer{display:none;padding:0 18px 18px 56px;color:var(--muted);font-size:13px;line-height:1.85}
    .faq-item.open .faq-answer{display:block}
    .cta-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;overflow:hidden;border:1px solid rgba(216,120,117,.34);border-radius:var(--radius);background:var(--panel)}
    .cta-copy{padding:31px;background:linear-gradient(145deg,#382635,#2a202c)}
    .cta-copy h2{font-size:28px;margin:11px 0}
    .cta-copy p{font-size:14px;color:#d4c4cb;margin-bottom:20px}
    .assurance{display:grid;gap:8px}
    .assurance div{font-size:12px;color:#d8c7ce;display:flex;gap:8px;align-items:flex-start}
    .assurance i{font-style:normal;color:var(--accent)}
    .form-area{padding:28px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{display:grid;gap:6px}
    .field.full{grid-column:1/-1}
    label{font-size:12px;color:#d9cad0;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:9px;background:#18131a;color:var(--text);
      padding:11px 12px;font-size:13px;transition:.18s ease;
    }
    input::placeholder,textarea::placeholder{color:#776b73}
    input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(216,120,117,.12);outline:none}
    select option{background:#211b25}
    textarea{min-height:90px;resize:vertical}
    .form-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:15px}
    .form-tip{font-size:11px;color:var(--subtle);line-height:1.6}
    .form-message{display:none;margin-top:12px;padding:9px 11px;border-radius:8px;background:rgba(155,187,157,.12);color:#c7d8c9;font-size:12px}
    .site-footer{margin-top:45px;border-top:1px solid var(--line);background:#141016;padding:31px 0 38px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
    .footer-brand{font-weight:800;font-size:16px}
    .footer-copy{font-size:12px;color:var(--subtle);max-width:650px;margin:8px 0 0}
    .footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;align-content:flex-start;gap:8px}
    .footer-link{padding:5px 8px;color:var(--muted);font-size:12px;border-radius:6px}
    .footer-link:hover{color:var(--cream);background:rgba(255,255,255,.05)}
    .copyright{margin-top:22px;padding-top:15px;border-top:1px solid var(--line);color:#736771;font-size:11px}
    .mobile-menu-btn{border:1px solid var(--line);width:38px;height:38px;border-radius:9px;background:var(--panel);color:var(--cream);font-size:19px}
    @media(max-width:1024px){
      .sidebar{width:218px}.main-wrap{width:calc(100% - 218px);margin-left:218px}.container{padding:0 24px}
      .hero-inner{padding:37px 35px}.metric-grid{grid-template-columns:1.2fr 1fr 1fr}.metric-card:last-child{grid-column:span 3}
    }
    @media(max-width:767px){
      .shell{display:block}.sidebar{display:none}.main-wrap{width:100%;margin-left:0}
      .mobile-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 16px;background:rgba(23,19,27,.97);border-bottom:1px solid var(--line)}
      .mobile-brand{font-size:14px;font-weight:800}.mobile-brand span{color:var(--accent)}
      .mobile-menu{display:none;position:absolute;top:64px;left:0;right:0;padding:10px 16px 16px;background:#19141d;border-bottom:1px solid var(--line);box-shadow:0 15px 25px rgba(0,0,0,.25)}
      .mobile-menu.show{display:grid;gap:6px}.mobile-menu .nav-link{padding:11px}
      .container{padding:0 16px}.hero{padding:18px 0 23px}.hero-inner{padding:27px 21px 24px}h1{font-size:33px}
      .hero-copy{font-size:14px}.status-strip{margin-top:23px}.section{padding:29px 0}.section-head{display:block}.section-intro{font-size:13px}
      .metric-grid{grid-template-columns:1fr 1fr}.metric-card:last-child{grid-column:span 2}.metric-card{padding:16px}.metric-value{font-size:24px}
      .matrix,.updates-layout,.faq-wrap,.cta-box{grid-template-columns:1fr}.matrix-main{min-height:280px}.compare-grid{grid-template-columns:1fr}.compare-mark{display:flex;gap:9px;height:26px}.compare-mark:before,.compare-mark:after{width:40%;height:1px}
      .update-item{grid-template-columns:58px 1fr}.update-item .btn{display:none}.faq-side{padding:20px}.faq-answer{padding-left:18px}.cta-copy,.form-area{padding:22px}
      .footer-grid{grid-template-columns:1fr}.footer-links{justify-content:flex-start}.form-bottom{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      .hero-actions .btn{width:100%}.metric-grid{display:flex;overflow:auto;padding-bottom:5px}.metric-card{min-width:205px;flex:1}.metric-card:last-child{min-width:205px}
      .matrix-main h3{font-size:23px}.index-rail{align-items:flex-start;flex-direction:column}.index-rail strong{margin-right:0}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
      .update-list{padding:3px 15px}.update-item{gap:10px}.compare-card{padding:19px}
    }

/* roulang page: category2 */
:root{
 --bg:#17131b;
 --bg-soft:#1d1720;
 --panel:#211b25;
 --panel-2:#2b2230;
 --panel-3:#342737;
 --line:rgba(244,226,231,.13);
 --line-strong:rgba(226,123,145,.48);
 --text:#f6eeed;
 --muted:#b9abb4;
 --subtle:#887a84;
 --primary:#b8516e;
 --primary-hover:#d16782;
 --accent:#d87875;
 --cream:#f1e8e7;
 --success:#9bbb9d;
 --warning:#d9b27f;
 --shadow:0 18px 50px rgba(0,0,0,.26);
 --radius:18px;
 --radius-sm:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--bg);color:var(--text);
 font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;
 line-height:1.75;overflow-x:hidden;
}
body:before{
 content:"";position:fixed;inset:0;pointer-events:none;opacity:.55;
 background:radial-gradient(circle at 85% 10%,rgba(184,81,110,.12),transparent 24rem),
 radial-gradient(circle at 15% 80%,rgba(216,120,117,.07),transparent 28rem);
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
 outline:3px solid rgba(216,120,117,.7);outline-offset:3px
}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{letter-spacing:-.025em}
.container{width:100%;max-width:1370px;margin:0 auto;padding:0 34px}
.page-shell{min-height:100vh}
.desktop-nav{
 position:fixed;z-index:20;left:0;top:0;bottom:0;width:244px;
 padding:29px 18px 20px;background:rgba(26,20,29,.96);border-right:1px solid var(--line);
 display:flex;flex-direction:column;
}
.brand{display:flex;align-items:flex-start;gap:10px;padding:8px 9px 25px;border-bottom:1px solid var(--line)}
.brand-mark{
 width:35px;height:42px;flex:0 0 auto;position:relative;border:1px solid var(--line-strong);
 border-radius:9px;background:linear-gradient(145deg,#362837,#211a25)
}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent)}
.brand-mark:before{width:3px;height:23px;left:8px;top:8px;border-radius:9px}
.brand-mark:after{width:11px;height:3px;left:14px;top:27px;border-radius:9px}
.brand-name{font-weight:800;font-size:15px;line-height:1.35;letter-spacing:.02em}
.brand-note{font-size:11px;color:var(--subtle);margin-top:3px}
.nav-title{font-size:11px;letter-spacing:.12em;color:var(--subtle);padding:22px 10px 8px}
.side-nav{display:grid;gap:5px}
.nav-link{
 position:relative;display:flex;align-items:center;gap:11px;padding:11px;border-radius:10px;
 color:var(--muted);font-size:14px;transition:.2s ease
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.045)}
.nav-link.active{background:rgba(184,81,110,.18);color:var(--cream);font-weight:700}
.nav-link.active:before{content:"";width:3px;height:21px;background:var(--accent);border-radius:99px}
.nav-index{
 width:20px;height:20px;display:grid;place-items:center;border:1px solid var(--line);
 border-radius:6px;font-size:10px;color:var(--subtle)
}
.nav-link.active .nav-index{border-color:rgba(216,120,117,.6);color:var(--accent)}
.nav-bottom{margin-top:auto;padding:14px 10px 0;border-top:1px solid var(--line);color:var(--subtle);font-size:11px}
.age-chip{display:inline-flex;align-items:center;gap:6px;color:#e2cbd0;margin-bottom:7px}
.age-chip:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success)}
.main-wrap{width:calc(100% - 244px);margin-left:244px}
.mobile-header{display:none}
.hero{padding:40px 0 22px}
.crumbs{display:flex;gap:9px;align-items:center;color:var(--subtle);font-size:12px;margin-bottom:15px}
.crumbs a:hover{color:var(--cream)}
.crumbs span{color:#604b58}
.hero-panel{
 border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
 box-shadow:var(--shadow);padding:34px 38px;position:relative;overflow:hidden
}
.hero-panel:after{
 content:"02";position:absolute;right:24px;top:-17px;color:rgba(241,232,231,.045);
 font:800 170px/1 ui-monospace,monospace;pointer-events:none
}
.hero-content{position:relative;z-index:1;max-width:920px}
.eyebrow{display:flex;align-items:center;gap:9px;color:#e8bbc5;font-size:12px;font-weight:700}
.eyebrow i{display:block;width:28px;height:2px;background:var(--accent)}
.hero h1{font-size:clamp(30px,4vw,52px);line-height:1.18;margin:15px 0 14px;max-width:780px}
.hero-copy{color:var(--muted);font-size:15px;max-width:770px;margin-bottom:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px}
.btn{
 min-height:43px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 17px;
 border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:750;
 transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 23px rgba(184,81,110,.22)}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 12px 27px rgba(184,81,110,.32)}
.btn-secondary{background:rgba(255,255,255,.035);color:var(--cream);border-color:var(--line)}
.btn-secondary:hover{background:rgba(255,255,255,.075);border-color:rgba(244,226,231,.28)}
.btn-small{padding:8px 12px;min-height:36px;font-size:13px}
.section{padding:36px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:19px}
.section-kicker{color:#d998a6;font-size:11px;font-weight:800;letter-spacing:.12em;margin-bottom:6px}
.section h2{font-size:clamp(23px,3vw,32px);line-height:1.3;margin-bottom:0}
.section-intro{max-width:650px;color:var(--muted);font-size:14px;margin:9px 0 0}
.status-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
.status-item{padding:8px 11px;border-left:2px solid var(--accent);background:rgba(0,0,0,.13);font-size:12px;color:#cdbdc5}
.status-item strong{color:var(--text);font-weight:800;margin-right:5px}
.filter-layout{display:grid;grid-template-columns:270px 1fr;gap:15px}
.filter-panel,.index-panel,.compare-card,.faq-wrap,.feedback-panel{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:0 10px 28px rgba(0,0,0,.12)
}
.filter-panel{padding:20px;height:max-content}
.filter-title{font-size:15px;font-weight:800;margin-bottom:15px}
.filter-label{display:block;color:var(--subtle);font-size:12px;margin:15px 0 7px}
.filter-select{
 width:100%;color:var(--cream);background:var(--panel-2);border:1px solid var(--line);
 border-radius:9px;padding:9px 10px;font-size:13px
}
.filter-select:hover{border-color:var(--line-strong)}
.tag-row{display:flex;flex-wrap:wrap;gap:7px}
.tag{
 padding:6px 9px;border-radius:8px;border:1px solid var(--line);background:rgba(255,255,255,.025);
 color:var(--muted);font-size:12px;transition:.18s ease
}
.tag:hover,.tag.selected{color:var(--cream);border-color:var(--line-strong);background:rgba(184,81,110,.18)}
.index-panel{padding:20px}
.index-top{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-bottom:15px;border-bottom:1px solid var(--line)}
.index-count{font-size:13px;color:var(--muted)}
.index-count strong{color:var(--text);font-size:20px;margin-right:5px}
.index-list{display:grid;gap:10px;margin-top:14px}
.index-item{
 display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:14px;
 padding:14px;border:1px solid transparent;border-radius:12px;background:rgba(255,255,255,.025);
 transition:.2s ease
}
.index-item:hover{border-color:var(--line-strong);background:var(--panel-2);transform:translateX(3px)}
.index-code{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:#382633;color:#e6a9b6;font:700 12px ui-monospace,monospace}
.index-item h3{font-size:15px;margin:0 0 3px}
.index-item p{font-size:12px;color:var(--muted);margin:0}
.item-meta{display:flex;gap:7px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
.badge{font-size:11px;padding:4px 8px;border-radius:999px;border:1px solid rgba(216,120,117,.3);color:#e4b1bc;background:rgba(184,81,110,.1);white-space:nowrap}
.badge.green{color:#b8d3b8;border-color:rgba(155,187,157,.3);background:rgba(155,187,157,.08)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.compare-card{padding:23px}
.compare-card.accent{border-color:rgba(216,120,117,.42);background:#281d28}
.compare-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:17px}
.compare-card h3{font-size:19px;margin:0 0 4px}
.compare-card p{color:var(--muted);font-size:13px;margin:0}
.detail-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.detail-list li{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}
.detail-list li span:first-child{color:var(--subtle)}
.detail-list li span:last-child{color:var(--cream);text-align:right}
.faq-wrap{overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-question{
 width:100%;padding:17px 20px;display:flex;align-items:center;justify-content:space-between;
 gap:20px;background:transparent;border:0;color:var(--cream);text-align:left;font-weight:700;font-size:14px
}
.faq-question:hover{background:rgba(255,255,255,.035)}
.faq-icon{color:var(--accent);font-size:20px;transition:.2s}
.faq-answer{display:none;padding:0 20px 17px;color:var(--muted);font-size:13px;max-width:850px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.feedback-panel{
 display:grid;grid-template-columns:.82fr 1.18fr;gap:28px;padding:28px;background:#271d28
}
.feedback-copy h2{font-size:25px;margin-bottom:9px}
.feedback-copy p{color:var(--muted);font-size:14px}
.notice{border-left:2px solid var(--accent);padding-left:12px;color:#cdbdc5;font-size:12px;margin-top:20px}
.feedback-form{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field{display:grid;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;color:#cbbbc3}
.field input,.field select,.field textarea{
 width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;
 background:#1b161f;color:var(--text);font-size:13px
}
.field textarea{min-height:92px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#766873}
.form-foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}
.form-note{font-size:11px;color:var(--subtle);max-width:360px}
.site-footer{margin-top:35px;padding:34px 0 25px;background:#120f15;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.footer-brand{font-weight:800;font-size:16px;margin-bottom:8px}
.footer-copy{max-width:540px;color:var(--subtle);font-size:12px;margin:0}
.footer-links{display:flex;justify-content:flex-end;align-content:flex-start;gap:12px 20px;flex-wrap:wrap}
.footer-link{color:var(--muted);font-size:12px}
.footer-link:hover{color:var(--accent)}
.copyright{padding-top:21px;margin-top:24px;border-top:1px solid var(--line);color:#70616d;font-size:11px}
@media(max-width:1024px){
 .desktop-nav{width:210px}.main-wrap{width:calc(100% - 210px);margin-left:210px}
 .container{padding:0 24px}.filter-layout{grid-template-columns:220px 1fr}
}
@media(max-width:767px){
 .desktop-nav{display:none}
 .main-wrap{width:100%;margin-left:0;padding-top:65px}
 .mobile-header{
  display:flex;position:fixed;z-index:30;top:0;left:0;right:0;height:65px;
  align-items:center;justify-content:space-between;padding:0 17px;
  background:rgba(26,20,29,.97);border-bottom:1px solid var(--line)
 }
 .mobile-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800}
 .mobile-mark{width:25px;height:30px;border:1px solid var(--line-strong);border-radius:7px;position:relative}
 .mobile-mark:after{content:"";position:absolute;width:9px;height:3px;left:8px;top:18px;background:var(--accent)}
 .menu-button{padding:8px 11px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;color:var(--cream);font-size:12px}
 .mobile-menu{display:none;position:absolute;left:12px;right:12px;top:58px;padding:8px;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
 .mobile-menu.show{display:grid;gap:3px}
 .mobile-menu a{padding:10px;color:var(--muted);font-size:13px;border-radius:8px}
 .mobile-menu a:hover,.mobile-menu a.active{background:rgba(184,81,110,.18);color:var(--cream)}
 .container{padding:0 17px}.hero{padding-top:24px}.hero-panel{padding:25px 21px}
 .hero h1{font-size:31px}.hero-panel:after{font-size:110px;right:8px}
 .section{padding:28px 0}.section-head{display:block}
 .status-strip{gap:7px}.status-item{flex:1;min-width:145px}
 .filter-layout,.compare-grid,.feedback-panel{grid-template-columns:1fr}
 .filter-panel{padding:17px}.index-panel{padding:15px}
 .index-item{grid-template-columns:38px 1fr;gap:10px}.item-meta{grid-column:2;justify-content:flex-start}
 .index-code{width:34px;height:34px}
 .feedback-form{grid-template-columns:1fr}.field.full,.form-foot{grid-column:auto}
 .footer-grid{grid-template-columns:1fr}.footer-links{justify-content:flex-start}
}
@media(max-width:420px){
 .hero-actions .btn{width:100%}.status-item{min-width:0}
 .index-item h3{font-size:14px}.compare-card{padding:18px}
}

/* roulang page: category1 */
:root{
      --bg:#17131b;--bg-soft:#1d1720;--panel:#211b25;--panel-2:#2b2230;
      --panel-3:#342737;--line:rgba(244,226,231,.13);--line-strong:rgba(226,123,145,.48);
      --text:#f6eeed;--muted:#b9abb4;--subtle:#887a84;--primary:#b8516e;
      --primary-hover:#d16782;--accent:#d87875;--cream:#f1e8e7;--success:#9bbb9d;
      --warning:#d8b27c;--shadow:0 18px 50px rgba(0,0,0,.26);--radius:18px;--radius-sm:12px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.55;background:radial-gradient(circle at 85% 10%,rgba(184,81,110,.12),transparent 24rem),radial-gradient(circle at 15% 80%,rgba(216,120,117,.07),transparent 28rem)}
    a{color:inherit;text-decoration:none} button,input,select,textarea{font:inherit} button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(216,120,117,.7);outline-offset:3px}
    .sidebar{position:fixed;z-index:20;left:0;top:0;bottom:0;width:244px;padding:27px 18px;background:#1b161e;border-right:1px solid var(--line);box-shadow:12px 0 35px rgba(0,0,0,.14)}
    .brand{display:flex;align-items:flex-start;gap:10px;padding:8px 9px 25px;border-bottom:1px solid var(--line)}
    .brand-mark{width:35px;height:42px;flex:0 0 auto;position:relative;border:1px solid var(--line-strong);border-radius:9px;background:linear-gradient(145deg,#362837,#211a25)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent)}
    .brand-mark:before{width:3px;height:23px;left:8px;top:8px;border-radius:9px}.brand-mark:after{width:11px;height:3px;left:14px;top:27px;border-radius:9px}
    .brand-name{font-weight:800;font-size:15px;line-height:1.35;letter-spacing:.02em}.brand-note{font-size:11px;color:var(--subtle);margin-top:3px}
    .nav-title{font-size:11px;letter-spacing:.12em;color:var(--subtle);padding:22px 10px 8px}.side-nav{display:grid;gap:5px}
    .nav-link{position:relative;display:flex;align-items:center;gap:11px;padding:11px;border-radius:10px;color:var(--muted);font-size:14px;transition:.2s ease}
    .nav-link:hover{color:var(--text);background:rgba(255,255,255,.045)}.nav-link.active{background:rgba(184,81,110,.18);color:var(--cream);font-weight:700}
    .nav-link.active:before{content:"";width:3px;height:21px;background:var(--accent);border-radius:99px}.nav-index{width:20px;height:20px;display:grid;place-items:center;border:1px solid var(--line);border-radius:6px;font-size:10px;color:var(--subtle)}
    .nav-link.active .nav-index{border-color:rgba(216,120,117,.6);color:var(--accent)}
    .side-note{position:absolute;left:27px;right:27px;bottom:28px;color:var(--subtle);font-size:11px;line-height:1.7;border-top:1px solid var(--line);padding-top:15px}
    .age-chip{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:#e2cbd0;margin-bottom:7px}.age-chip:before{content:"18+";display:grid;place-items:center;width:24px;height:19px;border:1px solid var(--line-strong);border-radius:5px;color:var(--accent);font-size:10px;font-weight:800}
    .main-wrap{width:calc(100% - 244px);margin-left:244px}.container{max-width:1370px;margin:0 auto;padding:0 34px}
    .mobile-header{display:none}.hero{padding:42px 0 24px}.eyebrow{display:flex;align-items:center;gap:9px;color:#e8bbc5;font-size:12px;font-weight:700}.eyebrow i{width:28px;height:2px;background:var(--accent)}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(30px,4vw,52px);line-height:1.2;letter-spacing:-.035em;margin:17px 0 15px;max-width:760px}h2{font-size:27px;line-height:1.3;margin-bottom:8px}h3{font-size:18px;line-height:1.4;margin-bottom:7px}
    .hero-copy,.section-intro{color:var(--muted);font-size:14px;line-height:1.9}.hero-copy{max-width:760px;margin-bottom:23px}
    .crumbs{font-size:12px;color:var(--subtle);margin-bottom:20px}.crumbs a:hover{color:var(--cream)}
    .category-head{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:18px;align-items:stretch}
    .head-panel,.panel,.index-card,.filter-box,.compare-card,.faq-item,.cta-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .head-panel{padding:27px 30px}.state-panel{padding:23px;background:linear-gradient(145deg,#302330,#211923);border:1px solid var(--line-strong);border-radius:var(--radius)}
    .state-label,.section-kicker{color:#d998a6;font-size:11px;font-weight:800;letter-spacing:.12em}.state-number{font:800 40px/1.1 ui-monospace,SFMono-Regular,monospace;margin:13px 0 3px}.state-text{font-size:13px;color:var(--muted)}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:12px;background:rgba(255,255,255,.025)}
    .tag.selected{color:#f3cbd3;border-color:var(--line-strong);background:rgba(184,81,110,.16)}
    .section{padding:35px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-intro{max-width:610px;margin:8px 0 0}
    .filter-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:14px}.filter-box{padding:20px}.filter-box h3{font-size:15px}.filter-group{padding:15px 0;border-top:1px solid var(--line)}.filter-group:first-of-type{border-top:0;padding-top:3px}
    .filter-label{display:block;font-size:12px;color:var(--subtle);margin-bottom:8px}.filter-option{display:block;width:100%;text-align:left;border:0;background:transparent;color:var(--muted);padding:7px 8px;border-radius:7px;font-size:13px;transition:.2s}
    .filter-option:hover,.filter-option.active{color:var(--cream);background:rgba(184,81,110,.15)}.filter-option.active{border-left:2px solid var(--accent)}
    .index-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:14px}.index-card{padding:22px;position:relative;overflow:hidden;transition:.2s}.index-card:hover{transform:translateY(-3px);border-color:var(--line-strong);background:var(--panel-2)}
    .index-card.large{min-height:245px;background:linear-gradient(135deg,#302331,#211a24)}.index-card.large:after{content:"01";position:absolute;right:17px;bottom:-16px;color:rgba(241,232,231,.05);font:800 125px/1 ui-monospace,monospace}
    .card-status{display:inline-flex;align-items:center;gap:6px;width:max-content;padding:4px 8px;border:1px solid rgba(216,120,117,.3);border-radius:999px;color:#e8b8c3;background:rgba(184,81,110,.1);font-size:11px;font-weight:700}.card-status:before{content:"";width:6px;height:6px;background:var(--accent);border-radius:50%}
    .index-card h3{position:relative;z-index:1;font-size:22px;margin:18px 0 9px}.index-card p{position:relative;z-index:1;color:var(--muted);font-size:13px;max-width:540px}.card-meta{display:flex;flex-wrap:wrap;gap:8px;color:var(--subtle);font-size:11px;margin:17px 0}.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:1}
    .mini-grid{display:grid;gap:14px}.mini-grid .index-card{min-height:115px}.mini-grid h3{font-size:16px;margin:10px 0 4px}.mini-grid p{font-size:12px;margin-bottom:0}
    .btn{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 16px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:750;transition:.18s ease}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 9px 23px rgba(184,81,110,.22)}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:rgba(255,255,255,.035);color:var(--cream);border-color:var(--line)}.btn-secondary:hover{background:rgba(255,255,255,.075);border-color:rgba(244,226,231,.28)}.btn-small{min-height:35px;padding:7px 11px;font-size:12px}
    .list{display:grid;gap:10px}.list-row{display:grid;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:13px;padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);transition:.2s}
    .list-row:hover{background:var(--panel-2);border-color:var(--line-strong)}.list-no{color:var(--accent);font:700 13px ui-monospace,monospace}.list-title{font-size:15px;font-weight:700}.list-desc{font-size:12px;color:var(--muted);margin-top:2px}.list-state{font-size:11px;color:var(--success);white-space:nowrap}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.compare-card{padding:23px}.compare-card:first-child{border-top:2px solid var(--accent)}.compare-card:last-child{border-top:2px solid var(--warning)}.compare-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px}.compare-title span{font-size:11px;color:var(--subtle);border:1px solid var(--line);padding:3px 7px;border-radius:5px}
    .compare-list{display:grid;gap:11px}.compare-line{display:flex;justify-content:space-between;gap:15px;font-size:13px;border-bottom:1px dashed var(--line);padding-bottom:9px}.compare-line b{color:var(--cream);font-weight:600}.compare-line span{color:var(--muted);text-align:right}
    .faq-list{display:grid;gap:9px;max-width:900px}.faq-item{overflow:hidden}.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:15px;text-align:left;padding:17px 19px;background:transparent;color:var(--cream);border:0;font-weight:700;font-size:14px}.faq-q span:last-child{color:var(--accent);font-size:20px;transition:.2s}.faq-a{display:none;padding:0 19px 17px;color:var(--muted);font-size:13px;line-height:1.85}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta-panel{padding:27px;display:grid;grid-template-columns:1fr 1fr;gap:28px;background:linear-gradient(125deg,#302330,#211a24)}.form-grid{display:grid;gap:11px}.field{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;background:#18141b;color:var(--text);font-size:13px}.field::placeholder{color:var(--subtle)}textarea.field{min-height:92px;resize:vertical}.form-note{color:var(--subtle);font-size:11px;margin-top:10px}.form-message{color:var(--success);font-size:12px;min-height:20px;margin-top:7px}
    .site-footer{margin-top:36px;padding:38px 0 25px;background:#120f15;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}.footer-brand{font-weight:800;font-size:17px}.footer-copy{max-width:570px;color:var(--subtle);font-size:12px;margin:9px 0 0}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:9px 18px;align-content:start}.footer-link{color:var(--muted);font-size:12px}.footer-link:hover{color:var(--accent)}.copyright{border-top:1px solid var(--line);margin-top:27px;padding-top:17px;color:var(--subtle);font-size:11px}
    @media(max-width:1024px){.sidebar{width:210px}.main-wrap{width:calc(100% - 210px);margin-left:210px}.container{padding:0 23px}.category-head{grid-template-columns:1fr}.filter-layout{grid-template-columns:190px 1fr}}
    @media(max-width:767px){.sidebar{display:none}.main-wrap{width:100%;margin-left:0}.mobile-header{display:flex;position:relative;z-index:10;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);background:#1b161e}.mobile-brand{font-size:14px;font-weight:800}.mobile-menu{border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--cream);padding:6px 9px}.mobile-nav{display:none;padding:8px 18px;background:#211a24;border-bottom:1px solid var(--line)}.mobile-nav.show{display:grid;gap:4px}.mobile-nav a{padding:8px;color:var(--muted);font-size:13px}.mobile-nav a.active{color:var(--accent)}.container{padding:0 17px}.hero{padding-top:27px}.head-panel{padding:22px}.state-panel{padding:19px}.filter-layout,.index-grid,.compare-grid,.cta-panel,.footer-grid{grid-template-columns:1fr}.filter-box{padding:17px}.index-card.large{min-height:220px}.list-row{grid-template-columns:30px minmax(0,1fr);padding:14px}.list-row .btn,.list-state{grid-column:2;justify-self:start}.section{padding:29px 0}.section-head{display:block}h2{font-size:23px}.footer-links{margin-top:8px}}
    @media(max-width:430px){h1{font-size:30px}.hero-copy{font-size:13px}.hero-actions .btn{width:100%}.tag-row{gap:6px}.card-foot{align-items:flex-start;flex-direction:column}.metric-grid{grid-template-columns:1fr 1fr}.metric-card{padding:15px}.state-number{font-size:32px}}