/* roulang page: index */
:root{
  --bg:#f4eee9;
  --surface:#fffaf6;
  --surface-2:#efe4e4;
  --sidebar:#251823;
  --sidebar-soft:#372333;
  --ink:#2a2027;
  --muted:#756871;
  --line:#ddcfd0;
  --accent:#8d315b;
  --accent-dark:#6d1f43;
  --accent-soft:#f3dce5;
  --coral:#d06d5c;
  --copper:#c58a50;
  --success:#307460;
  --warning:#a56825;
  --danger:#ae4050;
  --info:#596e95;
  --white:#ffffff;
  --shadow:0 16px 38px rgba(66,38,52,.09);
  --shadow-sm:0 8px 18px rgba(66,38,52,.07);
  --radius:18px;
  --radius-sm:12px;
  --sidebar-w:252px;
  --ease:all .22s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  font-size:16px;line-height:1.78;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
:focus-visible{outline:3px solid rgba(141,49,91,.38);outline-offset:3px}
.site-shell{min-height:100vh;padding-left:var(--sidebar-w)}
.sidebar{
  width:var(--sidebar-w);position:fixed;z-index:30;inset:0 auto 0 0;
  background:var(--sidebar);color:#f9eef2;padding:26px 18px 18px;
  display:flex;flex-direction:column;border-right:1px solid rgba(255,255,255,.08);
}
.brand{
  display:flex;gap:11px;align-items:center;padding:5px 8px 27px;
  font-weight:800;font-size:18px;letter-spacing:.02em;line-height:1.35;
}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;flex:none;border-radius:12px;
  background:linear-gradient(145deg,var(--coral),var(--accent));color:#fff;
  box-shadow:0 8px 20px rgba(208,109,92,.27);font-size:17px;
}
.brand small{display:block;color:#cbbbc4;font-weight:500;font-size:11px;letter-spacing:.12em}
.nav-caption{color:#a6939f;font-size:11px;letter-spacing:.13em;padding:0 10px 8px;text-transform:uppercase}
.sidebar-nav{display:grid;gap:7px}
.nav-link{
  min-height:48px;padding:11px 12px;border-radius:11px;color:#ddcfd6;display:flex;align-items:center;gap:11px;
  font-size:14px;transition:var(--ease);border:1px solid transparent;
}
.nav-link svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}
.nav-link:hover{background:var(--sidebar-soft);color:#fff}
.nav-link.active{background:#69304e;color:#fff;border-color:#89506a;box-shadow:inset 3px 0 0 var(--coral)}
.nav-dot{margin-left:auto;width:7px;height:7px;border-radius:50%;background:#d9a66c;box-shadow:0 0 0 4px rgba(217,166,108,.12)}
.sidebar-bottom{margin-top:auto;padding:18px 8px 4px;border-top:1px solid rgba(255,255,255,.1)}
.age-note{font-size:12px;color:#cfbdc7;line-height:1.65;margin:0 0 14px}
.domain-note{font-size:11px;color:#9f8b97;letter-spacing:.04em}
.mobile-bar{display:none}
.container{width:min(100%,1360px);margin:0 auto;padding:0 34px}
.topline{
  min-height:47px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  color:var(--muted);font-size:12px;border-bottom:1px solid var(--line);
}
.path{display:flex;align-items:center;gap:8px}
.path b{color:var(--accent);font-weight:700}
.status-live{display:flex;align-items:center;gap:8px}
.status-live i{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(48,116,96,.1)}
.hero{padding:24px 0 26px}
.hero-band{
  position:relative;overflow:hidden;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);padding:29px 32px 27px;
}
.hero-band:after{
  content:"";position:absolute;width:300px;height:300px;right:-110px;top:-185px;border-radius:50%;
  border:56px solid #f4dde3;opacity:.8;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(330px,.8fr);gap:30px;align-items:end}
.eyebrow,.section-kicker{
  display:flex;align-items:center;gap:9px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.1em;
}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--coral)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(30px,4vw,52px);line-height:1.18;letter-spacing:-.045em;margin:11px 0 14px;max-width:830px}
.hero-copy{max-width:790px;color:#62545e;font-size:16px;line-height:1.88;margin-bottom:19px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{
  min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 17px;border-radius:10px;
  font-size:14px;font-weight:750;border:1px solid transparent;transition:var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 16px rgba(141,49,91,.18)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(141,49,91,.25)}
.btn-primary:active{transform:translateY(0);background:#581733}
.btn-secondary{background:#fff;color:var(--accent);border-color:#d8b9c5}
.btn-secondary:hover{background:var(--accent-soft);border-color:#bd849a;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--accent);border-color:var(--line)}
.btn-ghost:hover{background:#fff;border-color:#caa7b4}
.hero-mini{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.mini-stat{background:#f8f0ee;border:1px solid #e4d0d4;border-radius:12px;padding:13px 14px}
.mini-stat strong{display:block;color:var(--accent);font-size:22px;line-height:1.1;letter-spacing:-.04em}
.mini-stat span{display:block;margin-top:5px;color:var(--muted);font-size:12px}
.hero-mini .wide{grid-column:span 2;background:#33202d;color:#f6e9ee;display:flex;align-items:center;justify-content:space-between}
.hero-mini .wide span{color:#d7c1ca;margin:0}
.hero-mini .wide b{font-size:12px;background:#594052;padding:4px 8px;border-radius:99px}
section{padding:42px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}
.section-head h2{font-size:clamp(23px,2.4vw,33px);line-height:1.28;letter-spacing:-.03em;margin:6px 0 0}
.section-desc{max-width:530px;color:var(--muted);font-size:14px;margin:0}
.text-link{color:var(--accent);font-weight:750;font-size:14px;white-space:nowrap}
.text-link:hover{color:var(--coral)}
.metrics{display:grid;grid-template-columns:1.35fr .82fr .82fr;gap:14px}
.metric-card{
  min-height:166px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow-sm);transition:var(--ease);position:relative;overflow:hidden;
}
.metric-card:hover{transform:translateY(-3px);border-color:#c89aab;box-shadow:var(--shadow)}
.metric-card.featured{background:#34222e;color:#fbf3f6;border-color:#34222e;grid-row:span 2;min-height:346px}
.metric-label{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}
.featured .metric-label{color:#d8c2cb}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--success);display:inline-block;box-shadow:0 0 0 5px rgba(48,116,96,.17)}
.metric-number{font-size:49px;line-height:1;margin:17px 0 9px;letter-spacing:-.06em;font-weight:850;color:var(--accent)}
.featured .metric-number{color:#fff;font-size:67px;margin-top:28px}
.metric-card p{font-size:13px;color:var(--muted);margin:0}
.featured p{color:#d3c0c8;max-width:280px}
.spark{display:flex;align-items:flex-end;gap:6px;height:50px;margin-top:29px}
.spark i{display:block;width:10%;background:#b46383;border-radius:4px 4px 1px 1px}
.spark i:nth-child(1){height:28%}.spark i:nth-child(2){height:44%}.spark i:nth-child(3){height:34%}.spark i:nth-child(4){height:65%}.spark i:nth-child(5){height:53%}.spark i:nth-child(6){height:78%}.spark i:nth-child(7){height:60%}.spark i:nth-child(8){height:88%}
.featured .spark i{background:#d9859a}
.metric-foot{position:absolute;bottom:17px;left:22px;font-size:11px;color:#ad99a3}
.matrix-wrap{background:#eadddb;border:1px solid #dbc9ca;border-radius:var(--radius);padding:14px}
.matrix{display:grid;grid-template-columns:.88fr 1.12fr 1.12fr;gap:11px}
.matrix-intro{background:#33202d;color:#f8eef2;border-radius:13px;padding:23px;min-height:232px}
.matrix-intro h3{font-size:22px;line-height:1.35;margin:13px 0 9px}
.matrix-intro p{font-size:13px;color:#d4bec7;margin-bottom:18px}
.matrix-card{position:relative;background:var(--surface);border:1px solid #ddcccf;border-radius:13px;padding:18px;min-height:110px;transition:var(--ease)}
.matrix-card:hover{transform:translateY(-3px);border-color:#ba8498;box-shadow:var(--shadow-sm)}
.matrix-card.selected{background:#f8e9ed;border-color:#b66b87}
.matrix-card h3{font-size:17px;margin:11px 0 5px}
.matrix-card p{font-size:13px;color:var(--muted);line-height:1.65;margin:0 0 11px}
.matrix-card .number{position:absolute;top:14px;right:15px;font-size:12px;color:#9c8790}
.badge{display:inline-flex;align-items:center;gap:5px;border-radius:99px;padding:4px 8px;font-size:11px;line-height:1;background:#f1dbe3;color:#813051;font-weight:750}
.badge.copper{background:#f2e2ca;color:#95622d}
.badge.dark{background:#5d4052;color:#f8e7ed}
.matrix-link{font-size:12px;font-weight:800;color:var(--accent)}
.matrix-link:hover{text-decoration:underline}
.vertical-layout{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(310px,.88fr);gap:17px}
.poster-stack{display:grid;grid-template-columns:1.05fr .95fr;gap:14px}
.poster{
  overflow:hidden;min-height:365px;border-radius:var(--radius);position:relative;background:#9b6c71;box-shadow:var(--shadow);
}
.poster-art{
  position:absolute;inset:0;background:
  radial-gradient(circle at 70% 21%,rgba(255,223,198,.82) 0 7%,transparent 7.4%),
  radial-gradient(ellipse at 66% 50%,#4c2a39 0 21%,transparent 21.5%),
  linear-gradient(155deg,#d79583 0%,#b7616a 42%,#462837 100%);
}
.poster-art:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(31,19,28,.8),transparent 59%)}
.poster-alt{background:linear-gradient(160deg,#dac0aa,#a76e76 48%,#422b3b)}
.poster-alt:before{content:"";position:absolute;width:170px;height:240px;background:#4b3041;border-radius:50% 50% 20% 20%;top:35px;left:50%;transform:translateX(-50%)}
.poster-copy{position:absolute;z-index:1;left:21px;right:21px;bottom:20px;color:#fff}
.poster-copy strong{font-size:22px;line-height:1.25;display:block;margin:9px 0}
.poster-copy span{font-size:12px;color:#ead8dd}
.rank-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.rank-panel h3{font-size:21px;margin:7px 0 7px}
.rank-panel>p{font-size:13px;color:var(--muted);margin-bottom:17px}
.rank-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.rank-list li{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}
.rank-num{font-weight:850;color:var(--accent);font-size:17px}
.rank-title{font-size:14px;font-weight:750;display:block}
.rank-meta{font-size:11px;color:var(--muted);display:block;margin-top:2px}
.trend{font-size:11px;color:var(--success);font-weight:800;background:#e2f0ea;padding:4px 7px;border-radius:99px}
.compare{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.compare-top{display:grid;grid-template-columns:1fr 1fr;background:#35232f;color:#f9edf1}
.compare-title{padding:19px 24px;border-right:1px solid rgba(255,255,255,.12)}
.compare-title:last-child{border-right:0}
.compare-title h3{font-size:20px;margin:7px 0 0}
.compare-body{padding:8px 24px 19px}
.compare-row{display:grid;grid-template-columns:132px 1fr 1fr;gap:20px;padding:15px 0;border-bottom:1px solid var(--line);align-items:center}
.compare-row:last-child{border-bottom:0}
.compare-row>span{font-size:13px;color:var(--muted)}
.compare-cell{font-size:13px;font-weight:700;position:relative;padding-left:16px}
.compare-cell:before{content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;border-radius:50%;background:var(--coral)}
.compare-cell.west:before{background:var(--copper)}
.bar{display:block;height:5px;border-radius:99px;background:#eadfe0;margin-top:7px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:99px}
.bar.west i{background:var(--copper)}
.review-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:16px}
.rating-card{background:var(--accent);color:#fff;border-radius:var(--radius);padding:27px;position:relative;overflow:hidden}
.rating-card:after{content:"“";font-family:Georgia,serif;font-size:180px;line-height:1;position:absolute;right:18px;bottom:-60px;color:rgba(255,255,255,.1)}
.rating-card .small{color:#e8c8d5;font-size:13px}
.rating-score{font-size:66px;letter-spacing:-.07em;line-height:1;margin:17px 0 8px;font-weight:850}
.stars{color:#ffd69a;letter-spacing:3px;font-size:18px}
.rating-card p{position:relative;z-index:1;font-size:14px;color:#f3dce5;margin:16px 0 0;max-width:330px}
.quote-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quote{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:19px;transition:var(--ease)}
.quote:hover{border-color:#bc8297;transform:translateY(-2px)}
.quote p{font-size:13px;line-height:1.75;margin:0 0 12px;color:#554851}
.quote footer{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}
.info-zone{display:grid;grid-template-columns:1.22fr .78fr;gap:16px}
.news-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:8px 23px;box-shadow:var(--shadow-sm)}
.news-item{display:grid;grid-template-columns:103px 1fr auto;gap:14px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}
.news-type{font-size:11px;color:var(--accent);font-weight:850;letter-spacing:.06em}
.news-item h3{font-size:15px;margin:3px 0 0;line-height:1.5}
.news-item p{font-size:12px;color:var(--muted);margin:3px 0 0}
.news-arrow{color:var(--accent);font-size:20px}
.subscribe-card{background:#e7d3c9;border-radius:var(--radius);padding:27px;position:relative;overflow:hidden}
.subscribe-card:before{content:"";position:absolute;width:220px;height:220px;border:32px solid rgba(141,49,91,.12);border-radius:50%;right:-115px;top:-95px}
.subscribe-card h3{font-size:24px;line-height:1.32;margin:11px 0}
.subscribe-card p{font-size:13px;color:#604b50;position:relative;z-index:1}
.form-inline{display:flex;gap:8px;margin-top:17px;position:relative;z-index:1}
.input{
  width:100%;min-height:44px;border:1px solid #cbaeb1;background:#fffaf8;border-radius:10px;padding:10px 12px;color:var(--ink);
  transition:var(--ease);
}
.input::placeholder{color:#a69299}
.input:hover{border-color:#a9788a}
.input:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px rgba(141,49,91,.12)}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:28px;align-items:start}
.faq-intro{padding:5px 4px}
.faq-intro h2{font-size:33px;line-height:1.3;margin:8px 0 12px;letter-spacing:-.035em}
.faq-intro p{font-size:14px;color:var(--muted);margin-bottom:19px}
.faq-list{display:grid;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:var(--ease)}
.faq-item[open]{border-color:#bd8498;box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;min-height:59px;padding:17px 50px 17px 19px;position:relative;font-size:15px;font-weight:780}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:19px;top:14px;color:var(--accent);font-size:24px;font-weight:400;transition:var(--ease)}
.faq-item[open] summary:after{transform:rotate(45deg)}
.faq-answer{padding:0 19px 18px;color:#665963;font-size:14px;line-height:1.8}
.cta-section{padding-top:20px;padding-bottom:58px}
.contact-card{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;background:#30202b;color:#f9eef1;padding:31px;border-radius:var(--radius);
  position:relative;overflow:hidden;
}
.contact-card:after{content:"";position:absolute;width:350px;height:350px;border:50px solid rgba(208,109,92,.13);border-radius:50%;right:-160px;bottom:-235px}
.contact-copy{position:relative;z-index:1}
.contact-copy h2{font-size:31px;line-height:1.3;margin:10px 0}
.contact-copy p{font-size:14px;color:#d7c2cb;max-width:390px}
.contact-points{list-style:none;padding:0;margin:19px 0 0;display:grid;gap:8px;font-size:13px;color:#ebdce2}
.contact-points li:before{content:"✓";color:#d89b72;font-weight:900;margin-right:9px}
.contact-form{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:grid;gap:5px}
.field.full{grid-column:span 2}
.field label{font-size:12px;color:#e2cfd6;font-weight:700}
.required{color:#efaa91}
.contact-form .input,.contact-form select,.contact-form textarea{
  width:100%;border:1px solid #725364;background:#3c2935;color:#fff;border-radius:10px;padding:10px 12px;min-height:43px;outline:0;
}
.contact-form textarea{min-height:86px;resize:vertical}
.contact-form select{appearance:none}
.contact-form .input::placeholder,.contact-form textarea::placeholder{color:#c1aab5}
.contact-form .input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:#e19aaa;box-shadow:0 0 0 3px rgba(225,154,170,.18)}
.checkline{grid-column:span 2;display:flex;gap:9px;align-items:flex-start;color:#d5c2ca;font-size:12px;line-height:1.55}
.checkline input{appearance:none;width:17px;height:17px;flex:none;margin:2px 0 0;border:1px solid #9f7889;border-radius:4px;background:#412d39}
.checkline input:checked{background:var(--coral);border-color:var(--coral);box-shadow:inset 0 0 0 4px #412d39}
.form-status{display:none;grid-column:span 2;padding:9px 11px;border-radius:8px;background:#254c41;color:#d9f0e7;font-size:13px}
.form-status.show{display:block}
.site-footer{background:#21151e;color:#dfced5;padding:35px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .75fr;gap:25px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.11)}
.footer-brand{font-weight:850;font-size:19px;color:#fff;margin-bottom:9px}
.footer-text{font-size:13px;color:#bba8b1;max-width:430px;margin:0}
.footer-col h3{font-size:12px;letter-spacing:.1em;color:#a8929e;margin:4px 0 11px}
.footer-col a{display:block;font-size:13px;color:#ded0d6;padding:3px 0;transition:var(--ease)}
.footer-col a:hover{color:#f4a1b4;transform:translateX(2px)}
.footer-bottom{padding-top:17px;display:flex;justify-content:space-between;gap:18px;color:#9d8792;font-size:11px}
.back-top{
  position:fixed;right:23px;bottom:20px;width:42px;height:42px;border:1px solid #c7abb5;border-radius:50%;display:grid;place-items:center;
  background:#fffaf6;color:var(--accent);box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transition:var(--ease);z-index:20;
}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{background:var(--accent);color:#fff;transform:translateY(-3px)}
@media(max-width:1024px){
  :root{--sidebar-w:220px}
  .container{padding:0 25px}
  .hero-grid,.vertical-layout,.review-grid,.info-zone,.contact-card{grid-template-columns:1fr}
  .hero-mini{max-width:600px}
  .poster-stack{grid-template-columns:1fr 1fr}
  .metrics{grid-template-columns:1.2fr 1fr}
  .metric-card.featured{grid-row:span 1;min-height:235px}
  .matrix{grid-template-columns:1fr 1fr}
  .matrix-intro{grid-row:span 2}
}
@media(max-width:768px){
  .site-shell{padding-left:0}
  .sidebar{display:none}
  .mobile-bar{
    position:sticky;top:0;z-index:50;min-height:64px;padding:10px 17px;background:#251823;color:#fff;
    display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.1);
  }
  .mobile-brand{font-size:15px;font-weight:850;line-height:1.25}.mobile-brand small{display:block;color:#c5afba;font-size:10px;font-weight:500}
  .menu-btn{width:43px;height:43px;border-radius:10px;border:1px solid #694c5c;background:#382633;color:#fff;font-size:20px}
  .mobile-menu{display:none;position:absolute;left:0;right:0;top:64px;padding:12px 16px 17px;background:#2d1d28;border-top:1px solid rgba(255,255,255,.1);box-shadow:0 12px 25px rgba(0,0,0,.16)}
  .mobile-menu.open{display:grid;gap:5px}.mobile-menu .nav-link{color:#f2e6eb}
  .container{padding:0 18px}
  .topline{min-height:40px}.topline .status-live{display:none}
  .hero{padding:16px 0 19px}.hero-band{padding:23px 20px}
  h1{font-size:34px}.hero-copy{font-size:15px}
  section{padding:32px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:8px}
  .metrics{grid-template-columns:1fr 1fr}.metric-card.featured{grid-column:span 2}
  .matrix{grid-template-columns:1fr}.matrix-intro{min-height:0}
  .compare-top{grid-template-columns:1fr 1fr}.compare-title{padding:15px}.compare-body{padding:8px 16px 16px}
  .compare-row{grid-template-columns:1fr 1fr;gap:13px}.compare-row>span{grid-column:span 2;padding-bottom:3px}
  .faq-layout{grid-template-columns:1fr;gap:7px}.faq-intro h2{font-size:27px}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}
}
@media(max-width:520px){
  body{font-size:15px}.container{padding:0 14px}
  .hero-band{padding:20px 16px}.hero-actions .btn{width:100%}
  .hero-mini{grid-template-columns:1fr 1fr}.mini-stat{padding:11px}.mini-stat strong{font-size:19px}
  .metrics{grid-template-columns:1fr}.metric-card.featured{grid-column:auto}.metric-card{min-height:145px;padding:18px}.featured .metric-number{font-size:54px}
  .poster-stack,.quote-list{grid-template-columns:1fr}.poster{min-height:290px}.poster-alt{min-height:230px}
  .news-item{grid-template-columns:1fr auto;gap:6px}.news-type{grid-column:span 2}.news-item h3{font-size:14px}.news-item p{display:none}
  .form-inline{flex-direction:column}.form-inline .btn{width:100%}
  .contact-card{padding:23px 18px}.contact-form{grid-template-columns:1fr}.field.full,.checkline,.form-status{grid-column:auto}
  .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block;line-height:1.8}
  .back-top{right:14px;bottom:14px}
}

/* roulang page: category1 */
:root{
 --bg:#f4eee9;
 --surface:#fffaf6;
 --surface-2:#efe4e4;
 --sidebar:#251823;
 --sidebar-soft:#372333;
 --ink:#2a2027;
 --muted:#756871;
 --line:#ddcfd0;
 --accent:#8d315b;
 --accent-dark:#6d1f43;
 --accent-soft:#f3dce5;
 --coral:#d06d5c;
 --copper:#c58a50;
 --success:#307460;
 --warning:#a56825;
 --danger:#ae4050;
 --info:#596e95;
 --white:#ffffff;
 --shadow:0 16px 38px rgba(66,38,52,.09);
 --shadow-sm:0 8px 18px rgba(66,38,52,.07);
 --radius:18px;
 --radius-sm:12px;
 --sidebar-w:220px;
 --ease:all .22s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--bg);color:var(--ink);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
 font-size:16px;line-height:1.78;overflow-x:hidden;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
button,input,select,textarea{outline:none}
::selection{background:#e9bfd0;color:#4c1531}
:focus-visible{outline:3px solid rgba(208,109,92,.48);outline-offset:3px}
.site-shell{min-height:100vh}
.sidebar{
 position:fixed;z-index:30;top:0;bottom:0;left:0;width:var(--sidebar-w);
 background:var(--sidebar);color:#fff;padding:27px 16px 18px;
 display:flex;flex-direction:column;border-right:1px solid rgba(255,255,255,.06);
}
.brand{
 display:flex;gap:11px;align-items:center;padding:5px 8px 27px;
 font-weight:800;font-size:18px;letter-spacing:.02em;line-height:1.35;
}
.brand-mark{
 display:grid;place-items:center;width:38px;height:38px;flex:none;border-radius:12px;
 background:linear-gradient(145deg,var(--coral),var(--accent));color:#fff;
 box-shadow:0 8px 20px rgba(208,109,92,.27);font-size:17px;
}
.brand small{display:block;color:#cbbbc4;font-weight:500;font-size:11px;letter-spacing:.12em}
.nav-caption{color:#a6939f;font-size:11px;letter-spacing:.13em;padding:0 10px 8px;text-transform:uppercase}
.sidebar-nav{display:grid;gap:7px}
.nav-link{
 min-height:48px;padding:11px 12px;border-radius:11px;color:#ddcfd6;display:flex;align-items:center;gap:11px;
 font-size:14px;transition:var(--ease);border:1px solid transparent;
}
.nav-link svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}
.nav-link:hover{background:var(--sidebar-soft);color:#fff}
.nav-link:active{transform:translateY(1px)}
.nav-link.active{background:#69304e;color:#fff;border-color:#89506a;box-shadow:inset 3px 0 0 var(--coral)}
.nav-dot{margin-left:auto;width:7px;height:7px;border-radius:50%;background:#d9a66c;box-shadow:0 0 0 4px rgba(217,166,108,.12)}
.sidebar-bottom{margin-top:auto;padding:18px 8px 4px;border-top:1px solid rgba(255,255,255,.1)}
.age-note{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.65;color:#cfbec7}
.age-dot{width:8px;height:8px;flex:none;border-radius:50%;background:var(--copper);margin-top:6px}
.domain-note{font-size:11px;color:#9f8b97;letter-spacing:.04em;margin:12px 0 0}
.main-wrap{margin-left:var(--sidebar-w);min-width:0}
.mobile-bar{display:none}
.container{width:min(100%,1360px);margin:0 auto;padding:0 34px}
.hero{padding:26px 0 30px}
.breadcrumb{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin:0 0 14px}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{color:#aa969e}
.category-hero{
 position:relative;overflow:hidden;padding:30px 32px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);
}
.category-hero:before{
 content:"";position:absolute;right:40px;bottom:-105px;width:310px;height:310px;border:54px solid #f1d7df;border-radius:50%;
}
.category-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(330px,.75fr);gap:28px;align-items:stretch}
.eyebrow,.section-kicker{
 display:flex;align-items:center;gap:9px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.1em;
}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--coral)}
h1{font-size:clamp(31px,4vw,52px);line-height:1.17;letter-spacing:-.055em;margin:12px 0 13px}
.hero-copy{max-width:720px;color:#62545e;font-size:16px;line-height:1.9;margin:0}
.status-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.badge{
 display:inline-flex;align-items:center;gap:5px;border-radius:99px;padding:5px 9px;font-size:11px;line-height:1.1;
 background:#f1dbe3;color:#813051;font-weight:750;
}
.badge:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.65}
.badge.copper{background:#f2e2ca;color:#95622d}
.badge.dark{background:#5d4052;color:#f8e7ed}
.badge.success{background:#dceee7;color:#226550}
.hero-summary{
 background:#33202d;color:#f7edf1;border-radius:15px;padding:20px;display:grid;gap:13px;align-content:start;
 box-shadow:0 12px 24px rgba(52,34,46,.15);
}
.summary-title{display:flex;justify-content:space-between;align-items:center;gap:10px;color:#d8c2cb;font-size:12px;font-weight:700;letter-spacing:.07em}
.live-dot{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:#efd4dd}
.live-dot i{display:block;width:7px;height:7px;border-radius:50%;background:#dc867d;box-shadow:0 0 0 4px rgba(220,134,125,.13)}
.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.summary-box{min-height:76px;padding:12px;border:1px solid rgba(255,255,255,.11);border-radius:11px;background:rgba(255,255,255,.045)}
.summary-box span{display:block;color:#cbb8c2;font-size:11px;line-height:1.3}
.summary-box strong{display:block;font-size:23px;line-height:1.2;margin-top:8px;color:#fff}
.summary-strip{padding:10px 12px;border-radius:10px;background:#594052;display:flex;justify-content:space-between;gap:10px;color:#e4d1d9;font-size:12px}
.summary-strip b{font-weight:800;color:#fff}
.filter-panel{padding:18px 0 12px}
.filter-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:13px}
.filter-head strong{font-size:14px}
.clear-filter{border:0;background:transparent;color:var(--accent);font-size:13px;font-weight:750;padding:5px;transition:var(--ease)}
.clear-filter:hover{color:var(--coral)}
.filter-groups{display:grid;gap:12px}
.filter-line{display:flex;gap:9px;align-items:flex-start}
.filter-label{width:50px;flex:none;padding-top:7px;font-size:12px;color:var(--muted)}
.filter-options{display:flex;gap:7px;flex-wrap:wrap}
.filter-chip{
 border:1px solid var(--line);background:#fffaf8;color:#705e68;border-radius:99px;padding:6px 10px;
 font-size:12px;line-height:1.2;transition:var(--ease);
}
.filter-chip:hover{border-color:#bd849a;background:var(--accent-soft);color:var(--accent)}
.filter-chip.active{background:var(--accent);border-color:var(--accent);color:#fff}
section{padding:46px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:21px}
.section-head h2{font-size:clamp(23px,2.4vw,33px);line-height:1.28;letter-spacing:-.03em;margin:6px 0 0}
.section-desc{max-width:550px;color:var(--muted);font-size:14px;margin:0}
.text-link{color:var(--accent);font-weight:750;font-size:14px;white-space:nowrap}
.text-link:hover{color:var(--coral)}
.featured-index{
 display:grid;grid-template-columns:minmax(0,1.35fr) minmax(290px,.65fr);background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
}
.cover-visual{
 min-height:315px;position:relative;padding:28px;display:flex;align-items:flex-end;overflow:hidden;
 background:
 linear-gradient(135deg,rgba(67,26,49,.16),rgba(208,109,92,.08)),
 linear-gradient(120deg,#d9a3ab 0%,#ebc7ba 46%,#b87c91 100%);
}
.cover-visual:before{content:"";position:absolute;width:240px;height:240px;right:-58px;top:-45px;border-radius:50%;border:38px solid rgba(255,250,246,.48)}
.cover-visual:after{content:"";position:absolute;width:155px;height:155px;left:40%;top:24px;border-radius:50%;background:rgba(104,40,74,.13);box-shadow:0 0 0 30px rgba(255,246,239,.13)}
.cover-caption{position:relative;z-index:1;max-width:410px;padding:16px 17px;border-radius:13px;background:rgba(48,25,39,.79);color:#fff}
.cover-caption small{display:block;color:#e9c9d5;font-size:12px;letter-spacing:.08em}
.cover-caption strong{display:block;font-size:24px;line-height:1.35;margin-top:3px}
.index-detail{padding:26px;display:flex;flex-direction:column}
.index-detail h3{font-size:23px;line-height:1.35;letter-spacing:-.03em;margin:10px 0 8px}
.index-detail p{font-size:14px;color:var(--muted);line-height:1.78;margin:0}
.detail-meta{margin:18px 0;display:grid;gap:9px}
.meta-line{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:9px;border-bottom:1px solid var(--line);font-size:13px}
.meta-line span{color:var(--muted)}
.meta-line b{font-weight:750;color:var(--ink)}
.detail-actions{margin-top:auto;display:flex;gap:9px;flex-wrap:wrap}
.btn{
 min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 17px;border-radius:10px;
 font-size:14px;font-weight:750;border:1px solid transparent;transition:var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 16px rgba(141,49,91,.18)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(141,49,91,.25)}
.btn-primary:active{transform:translateY(0);background:#581733}
.btn-secondary{background:#fff;color:var(--accent);border-color:#d8b9c5}
.btn-secondary:hover{background:var(--accent-soft);border-color:#bd849a;transform:translateY(-2px)}
.btn:disabled{cursor:not-allowed;opacity:.55;transform:none;box-shadow:none}
.index-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:22px;align-items:start}
.group-list{display:grid;gap:13px}
.group-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 19px;
 transition:var(--ease);position:relative;overflow:hidden;
}
.group-card:hover{border-color:#bd849a;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.group-card.selected{background:#f9eaee;border-color:#b66b87}
.group-card.selected:before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;background:var(--coral)}
.group-top{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}
.group-title{display:flex;align-items:center;gap:10px}
.group-num{display:grid;place-items:center;width:29px;height:29px;border-radius:9px;background:#eee0e2;color:var(--accent);font-size:12px;font-weight:800}
.group-title h3{font-size:18px;line-height:1.3;margin:0}
.group-title p{font-size:13px;color:var(--muted);margin:4px 0 0}
.group-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px;padding-top:13px;border-top:1px solid var(--line)}
.group-meta span{font-size:12px;color:var(--muted)}
.group-meta .text-link{margin-left:auto}
.side-panel{
 background:#34222e;color:#f7edf1;border-radius:var(--radius);padding:22px;position:sticky;top:24px;
}
.side-panel h3{font-size:19px;line-height:1.35;margin:8px 0 7px}
.side-panel>p{color:#d3c0c8;font-size:13px;line-height:1.75;margin:0 0 16px}
.tag-stack{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:19px}
.side-tag{font-size:12px;padding:6px 9px;border-radius:99px;border:1px solid rgba(255,255,255,.16);color:#eedce3;transition:var(--ease)}
.side-tag:hover{background:#594052;border-color:#875c70}
.side-stat{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid rgba(255,255,255,.13);padding-top:15px;gap:12px}
.side-stat span{display:block;color:#cbb8c2;font-size:11px}
.side-stat b{display:block;color:#fff;font-size:20px;line-height:1.3;margin-top:3px}
.compare-section{background:#eee3e1;border-top:1px solid #e1d0d1;border-bottom:1px solid #e1d0d1}
.compare-board{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.compare-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);
}
.compare-card.emphasis{background:#34222e;border-color:#34222e;color:#fff}
.compare-card h3{font-size:20px;margin:10px 0 17px}
.compare-card.emphasis .badge{background:#5d4052;color:#f8e7ed}
.compare-row{display:grid;grid-template-columns:85px 1fr auto;gap:10px;align-items:center;padding:11px 0;border-top:1px solid var(--line);font-size:13px}
.emphasis .compare-row{border-color:rgba(255,255,255,.13)}
.compare-row span{color:var(--muted)}
.emphasis .compare-row span{color:#d0bbc4}
.compare-row b{font-size:12px}
.meter{height:7px;border-radius:99px;background:#eadfe0;overflow:hidden}
.emphasis .meter{background:#513a49}
.meter i{height:100%;display:block;border-radius:inherit;background:var(--coral)}
.emphasis .meter i{background:#d68ba0}
.compare-summary{margin:17px 0 0;padding:11px 12px;border-radius:10px;background:#f7eaeb;color:#714258;font-size:13px}
.emphasis .compare-summary{background:#513a49;color:#ead5dc}
.notice-bar{
 margin-top:19px;padding:15px 17px;border:1px solid #ddc3c9;border-left:4px solid var(--copper);border-radius:var(--radius-sm);
 background:#fff8ee;color:#6b5545;font-size:13px;line-height:1.75;
}
.notice-bar strong{color:#7e4d26}
.faq-layout{display:grid;grid-template-columns:minmax(250px,.45fr) minmax(0,1fr);gap:38px;align-items:start}
.faq-intro{position:sticky;top:24px}
.faq-intro h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.04em;margin:7px 0 12px}
.faq-intro p{font-size:14px;color:var(--muted);margin:0 0 18px}
.faq-list{display:grid;gap:10px}
.faq-item{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-sm);overflow:hidden;transition:var(--ease)}
.faq-item:hover{border-color:#caa0ae}
.faq-question{
 width:100%;padding:17px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
 color:var(--ink);font-weight:750;background:transparent;border:0;font-size:15px;
}
.faq-icon{width:24px;height:24px;flex:none;position:relative;border-radius:50%;background:#f0dfe4;transition:var(--ease)}
.faq-icon:before,.faq-icon:after{content:"";position:absolute;left:6px;right:6px;top:11px;height:2px;background:var(--accent);border-radius:2px}
.faq-icon:after{transform:rotate(90deg);transition:var(--ease)}
.faq-item.open{border-color:#bd849a}
.faq-item.open .faq-icon{background:var(--accent)}
.faq-item.open .faq-icon:before,.faq-item.open .faq-icon:after{background:#fff}
.faq-item.open .faq-icon:after{transform:rotate(0)}
.faq-answer{display:none;padding:0 18px 18px;color:var(--muted);font-size:14px;line-height:1.85}
.faq-item.open .faq-answer{display:block}
.cta-strip{
 background:var(--sidebar);border-radius:var(--radius);padding:27px 30px;color:#fff;display:flex;justify-content:space-between;
 align-items:center;gap:24px;position:relative;overflow:hidden;
}
.cta-strip:after{content:"";position:absolute;width:220px;height:220px;border:34px solid rgba(255,255,255,.09);border-radius:50%;right:-76px;top:-102px}
.cta-copy{position:relative;z-index:1}
.cta-copy .section-kicker{color:#e7b5c5}
.cta-copy .section-kicker:before{background:#d9a66c}
.cta-copy h2{font-size:clamp(23px,2.6vw,34px);line-height:1.3;letter-spacing:-.035em;margin:7px 0 5px}
.cta-copy p{color:#d3c0c8;font-size:14px;max-width:670px;margin:0}
.cta-actions{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap;flex:none}
.cta-strip .btn-secondary{background:#fff;color:var(--accent);border-color:#fff}
.cta-strip .btn-secondary:hover{background:#f3dce5;border-color:#f3dce5}
footer{
 margin-top:54px;background:#1e141c;color:#d4c2cb;padding:25px 34px;display:flex;justify-content:space-between;align-items:center;
 gap:14px;font-size:13px;border-top:1px solid rgba(255,255,255,.06);
}
footer .badge{background:#4b3542;color:#f5dfe7}
.back-top{
 position:fixed;z-index:20;right:24px;bottom:23px;width:44px;height:44px;border:1px solid #c89baa;border-radius:13px;
 background:var(--surface);color:var(--accent);box-shadow:var(--shadow-sm);display:grid;place-items:center;opacity:0;visibility:hidden;
 transition:var(--ease);
}
.back-top svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:2}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--accent);color:#fff;transform:translateY(-3px)}
.toast{
 position:fixed;z-index:80;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;visibility:hidden;
 background:#34222e;color:#fff;border:1px solid #5b4050;border-radius:12px;padding:11px 16px;font-size:13px;
 box-shadow:var(--shadow);transition:var(--ease);white-space:nowrap;
}
.toast.show{transform:translate(-50%,0);opacity:1;visibility:visible}
@media (max-width:1024px){
 :root{--sidebar-w:208px}
 .container{padding:0 25px}
 .category-hero-grid{grid-template-columns:1fr}
 .hero-summary{grid-template-columns:1fr 1fr;align-items:center}
 .summary-title{grid-column:span 2}
 .featured-index{grid-template-columns:1fr}
 .cover-visual{min-height:260px}
 .index-layout{grid-template-columns:1fr}
 .side-panel{position:static}
 .side-panel h3{margin-top:4px}
 .faq-layout{gap:24px}
}
@media (max-width:768px){
 body{font-size:15px}
 .sidebar{display:none}
 .main-wrap{margin-left:0}
 .mobile-bar{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 16px;background:rgba(37,24,35,.97);border-bottom:1px solid rgba(255,255,255,.08);color:#fff;
 }
 .mobile-brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:800;min-width:0}
 .mobile-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:14px;box-shadow:none}
 .mobile-brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 .menu-btn{
  min-height:42px;min-width:42px;padding:8px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:#372333;color:#fff;display:grid;place-items:center;
 }
 .menu-btn:hover{background:#69304e}
 .menu-btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2}
 .mobile-drawer{
  position:fixed;z-index:45;top:62px;left:0;right:0;padding:14px 16px 18px;background:#251823;
  border-bottom:1px solid rgba(255,255,255,.11);box-shadow:0 16px 28px rgba(39,18,30,.24);
  transform:translateY(-120%);opacity:0;visibility:hidden;transition:var(--ease);
 }
 .mobile-drawer.open{transform:translateY(0);opacity:1;visibility:visible}
 .mobile-drawer .sidebar-nav{gap:8px}
 .mobile-drawer .nav-link{min-height:48px}
 .container{padding:0 17px}
 .hero{padding:17px 0 22px}
 .category-hero{padding:23px 19px}
 .category-hero:before{right:-85px;bottom:-128px}
 h1{font-size:34px}
 .hero-summary{display:grid;grid-template-columns:1fr 1fr;padding:16px}
 .summary-title{grid-column:span 2}
 section{padding:37px 0}
 .section-head{display:block;margin-bottom:18px}
 .section-desc{margin-top:9px}
 .section-head .text-link{display:inline-block;margin-top:10px}
 .filter-line{display:block}
 .filter-label{display:block;width:auto;padding:0 0 6px}
 .featured-index{border-radius:14px}
 .cover-visual{min-height:230px;padding:19px}
 .cover-caption{padding:13px}
 .cover-caption strong{font-size:20px}
 .index-detail{padding:20px}
 .compare-board{grid-template-columns:1fr}
 .faq-layout{grid-template-columns:1fr}
 .faq-intro{position:static}
 .cta-strip{padding:23px 20px;display:block}
 .cta-actions{margin-top:17px}
 footer{margin-top:38px;padding:20px 17px;align-items:flex-start;flex-direction:column}
 .back-top{right:16px;bottom:17px}
}
@media (max-width:520px){
 .hero-summary{grid-template-columns:1fr 1fr}
 .summary-box strong{font-size:20px}
 .group-card{padding:16px}
 .group-top{display:block}
 .group-top>.badge{margin-top:10px}
 .group-meta .text-link{margin-left:0;width:100%}
 .compare-row{grid-template-columns:68px 1fr auto;gap:8px;font-size:12px}
 .faq-question{padding:15px;font-size:14px}
 .faq-answer{padding:0 15px 16px;font-size:13px}
 .cta-actions .btn{width:100%}
 .toast{max-width:calc(100% - 32px);white-space:normal;text-align:center}
}