/* roulang page: index */
:root{
  --bg:#f5f8fc;
  --surface:#ffffff;
  --surface-soft:#eef5fb;
  --sidebar:#f9fbfe;
  --text:#182536;
  --muted:#607084;
  --weak:#8795a7;
  --line:#dce6f0;
  --blue:#1769c2;
  --blue-hover:#0d55a3;
  --blue-soft:#e8f2ff;
  --coral:#c9525b;
  --coral-soft:#fff0f1;
  --success:#238468;
  --warning:#a97017;
  --danger:#bf454f;
  --restricted:#79596b;
  --shadow:0 12px 32px rgba(39,75,111,.09);
  --shadow-sm:0 4px 14px rgba(39,75,111,.07);
  --radius:12px;
  --radius-sm:8px;
  --side:252px;
  --container:1260px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.65}
body.menu-open{overflow:hidden}
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(23,105,194,.28);outline-offset:2px}
.sidebar{
  position:fixed;z-index:30;left:0;top:0;bottom:0;width:var(--side);display:flex;flex-direction:column;
  background:var(--sidebar);border-right:1px solid var(--line);padding:28px 16px 18px;
}
.brand{display:flex;align-items:center;gap:11px;padding:0 10px 26px;border-bottom:1px solid var(--line)}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:9px;font-weight:800;font-size:16px;box-shadow:0 5px 14px rgba(23,105,194,.22)}
.brand-name{font-size:16px;font-weight:800;line-height:1.25;letter-spacing:0}
.brand-sub{display:block;color:var(--weak);font-size:11px;font-weight:500;margin-top:2px}
.nav-group{padding:20px 0}
.nav-caption{font-size:11px;color:var(--weak);font-weight:700;letter-spacing:.08em;padding:0 11px 8px}
.nav-link{display:flex;align-items:center;gap:12px;min-height:44px;padding:10px 11px;margin:3px 0;border-radius:8px;color:#526378;font-weight:650;transition:.2s ease}
.nav-link svg{width:19px;height:19px;stroke:currentColor;stroke-width:1.8;fill:none;flex:none}
.nav-link:hover{background:var(--blue-soft);color:var(--blue)}
.nav-link.active{background:var(--blue);color:#fff;box-shadow:0 5px 13px rgba(23,105,194,.18)}
.nav-link.active:hover{background:var(--blue-hover)}
.sidebar-bottom{margin-top:auto;padding:16px 10px 2px;border-top:1px solid var(--line)}
.age-note{font-size:12px;color:var(--muted);line-height:1.55}
.age-note strong{display:block;color:var(--restricted);font-size:12px;margin-bottom:3px}
.legal-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.legal-links a{color:var(--weak);font-size:11px;text-decoration:underline;text-underline-offset:3px}
.mobile-head{display:none}
.page{margin-left:var(--side);min-height:100vh}
.container{max-width:var(--container);margin:0 auto;padding-left:34px;padding-right:34px}
.hero{padding:42px 0 34px;background:var(--surface);border-bottom:1px solid var(--line)}
.hero-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:34px}
.breadcrumb{font-size:13px;color:var(--muted)}
.status-pill{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--success);font-weight:700;background:#ebf8f3;padding:6px 10px;border-radius:20px}
.status-dot{width:7px;height:7px;background:var(--success);border-radius:50%}
.hero-stage{position:relative;display:grid;grid-template-columns:1.28fr .72fr;min-height:376px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#eef6fc;box-shadow:var(--shadow)}
.hero-copy{padding:47px 48px 42px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:750;color:var(--blue);background:#fff;border:1px solid #cfe1f4;border-radius:20px;padding:5px 10px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--coral)}
h1,h2,h3,p{margin-top:0}
h1{max-width:710px;margin:15px 0 17px;font-size:clamp(30px,4vw,50px);line-height:1.2;letter-spacing:0;font-weight:850}
.hero-copy p{max-width:660px;color:var(--muted);font-size:16px;margin-bottom:24px}
.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:43px;border:1px solid transparent;border-radius:8px;padding:9px 17px;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(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 5px 12px rgba(23,105,194,.19)}
.btn-primary:hover{background:var(--blue-hover)}
.btn-secondary{background:#fff;border-color:#c9d9e8;color:var(--blue)}
.btn-secondary:hover{background:var(--blue-soft);border-color:#a7c9e8}
.btn-text{color:var(--blue);padding-left:3px;padding-right:3px}
.btn-text:hover{color:var(--blue-hover)}
.hero-visual{position:relative;border-left:1px solid #d8e7f3;background:#dfeefa;padding:27px;overflow:hidden}
.visual-label{position:relative;z-index:2;color:#506a84;font-size:12px;font-weight:750}
.index-sheets{position:absolute;inset:58px 27px 27px 46px;transform:rotate(-3deg)}
.sheet{position:absolute;background:#fff;border:1px solid #c9ddeb;border-radius:9px;box-shadow:0 13px 22px rgba(47,91,127,.13)}
.sheet-back{width:82%;height:89%;left:0;top:8px;opacity:.72}
.sheet-front{width:88%;height:88%;right:0;top:0;padding:20px}
.sheet-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--line)}
.sheet-head b{font-size:13px}.mini-dot{width:8px;height:8px;border-radius:50%;background:var(--coral)}
.sheet-row{display:grid;grid-template-columns:28px 1fr 38px;gap:9px;align-items:center;padding:12px 0;border-bottom:1px solid #edf2f6;font-size:11px;color:var(--muted)}
.row-num{color:var(--blue);font-weight:800}.row-state{height:7px;background:#cfe5d9;border-radius:10px}
.hero-points{display:flex;gap:20px;flex-wrap:wrap;margin-top:20px}
.hero-point{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.hero-point b{color:var(--text);font-size:14px}
.section{padding:76px 0}
.section-head{max-width:730px;margin-bottom:28px}
.kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;margin-bottom:7px}
h2{font-size:28px;line-height:1.3;margin-bottom:10px;font-weight:830}
.section-head p{margin:0;color:var(--muted)}
.channel-strip{padding:26px 0;background:var(--surface)}
.channel-grid{display:grid;grid-template-columns:1.05fr .95fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.channel-item{padding:23px 25px;border-right:1px solid var(--line)}
.channel-item:last-child{border-right:0}
.channel-icon{width:31px;height:31px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);border-radius:8px;margin-bottom:11px;font-weight:900}
.channel-item h3{font-size:16px;margin-bottom:6px}.channel-item p{font-size:13px;color:var(--muted);margin:0}
.metrics{padding:48px 0;background:#eaf3fb;border-top:1px solid #dceaf5;border-bottom:1px solid #dceaf5}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cbddea;border:1px solid #cbddea;border-radius:10px;overflow:hidden}
.metric{background:#f8fbfe;padding:21px 22px}
.metric-num{display:block;font-size:29px;font-weight:850;line-height:1;color:var(--blue);margin-bottom:8px}
.metric-name{font-weight:750;font-size:14px}.metric-note{font-size:12px;color:var(--muted);margin-top:3px}
.matrix{display:grid;grid-template-columns:1.28fr .72fr;gap:20px}
.matrix-feature{min-height:310px;padding:31px;background:var(--blue);color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}
.matrix-feature:after{content:"";position:absolute;width:220px;height:220px;right:-95px;bottom:-92px;border:32px solid rgba(255,255,255,.12);border-radius:50%}
.matrix-feature h3{font-size:24px;margin:12px 0 10px;position:relative;z-index:1}.matrix-feature p{color:#dceafa;max-width:500px;position:relative;z-index:1}
.matrix-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px;position:relative;z-index:1}
.matrix-tags span{border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.1);border-radius:20px;padding:5px 9px;font-size:12px}
.matrix-side{display:grid;grid-template-rows:1fr 1fr;gap:20px}
.matrix-small{padding:23px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.2s}
.matrix-small:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.matrix-small h3{font-size:17px;margin:8px 0}.matrix-small p{font-size:13px;color:var(--muted);margin-bottom:13px}
.mini-link{font-size:13px;color:var(--blue);font-weight:750}
.badge{display:inline-flex;align-items:center;border-radius:20px;padding:4px 8px;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:750}
.compare-wrap{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.compare{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.compare-side{padding:30px}
.compare-side + .compare-side{border-left:1px solid var(--line)}
.compare-side.highlight{background:#f1f7fd}
.compare-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:17px}
.compare-title h3{font-size:18px;margin:0}.compare-title span{font-size:11px;font-weight:750;padding:4px 8px;border-radius:20px;background:#edf0f4;color:var(--muted)}
.highlight .compare-title span{background:#d7eafd;color:var(--blue)}
.compare-list{list-style:none;padding:0;margin:0}
.compare-list li{display:flex;align-items:flex-start;gap:9px;padding:10px 0;border-top:1px solid #e6edf4;font-size:14px;color:var(--muted)}
.check{color:var(--success);font-weight:900}.dash{color:#a5afbb;font-weight:900}
.news-section{padding-top:72px}
.news-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:42px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:96px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.news-date{font-size:12px;color:var(--weak);font-weight:700}
.news-item h3{font-size:16px;margin:0 0 4px}.news-item p{font-size:13px;color:var(--muted);margin:0}
.arrow-link{color:var(--blue);font-weight:800;font-size:19px;padding:8px}
.news-aside{background:#f0f6fb;border:1px solid #dbe8f3;border-radius:var(--radius);padding:26px}
.news-aside h3{font-size:18px;margin-bottom:9px}.news-aside p{font-size:13px;color:var(--muted)}
.topic-list{list-style:none;padding:0;margin:17px 0 0}.topic-list li{padding:10px 0;border-top:1px solid #d6e4ef;font-size:13px;font-weight:700;color:#41566d;display:flex;justify-content:space-between;gap:10px}
.topic-list small{color:var(--weak)}
.faq-area{padding-bottom:38px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;border:0;background:transparent;padding:20px 4px;display:flex;align-items:center;justify-content:space-between;text-align:left;color:var(--text);font-weight:780;font-size:16px}
.faq-question:hover{color:var(--blue)}
.faq-icon{width:24px;height:24px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:18px;line-height:1;transition:.2s;flex:none}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--blue);color:#fff}
.faq-answer{display:none;max-width:820px;padding:0 4px 20px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.form-section{padding-top:45px;padding-bottom:80px}
.form-box{display:grid;grid-template-columns:.78fr 1.22fr;border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.form-info{background:#f0f6fb;padding:35px}
.form-info h2{font-size:25px}.form-info p{color:var(--muted)}
.info-notes{list-style:none;padding:0;margin:22px 0 0}
.info-notes li{font-size:13px;color:#4d6277;padding:10px 0;border-top:1px solid #d7e4ee;display:flex;gap:9px}
.info-notes b{color:var(--blue)}
.feedback-form{padding:31px 35px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:750;color:#40546a}.required{color:var(--danger)}
input,select,textarea{width:100%;border:1px solid #cad9e6;border-radius:7px;background:#fff;padding:10px 11px;color:var(--text);transition:.18s}
input::placeholder,textarea::placeholder{color:#a1adba}
input:hover,select:hover,textarea:hover{border-color:#9dbfda}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,194,.1)}
textarea{resize:vertical;min-height:90px}
.field-error{display:none;font-size:12px;color:var(--danger)}
.field.error input,.field.error select,.field.error textarea{border-color:var(--danger);background:#fff8f8}.field.error .field-error{display:block}
.consent{display:flex;align-items:flex-start;gap:9px;margin:18px 0}
.consent input{width:16px;height:16px;margin:4px 0 0;accent-color:var(--blue)}
.consent label{font-size:12px;color:var(--muted);font-weight:500}
.form-bottom{display:flex;align-items:center;gap:13px;flex-wrap:wrap}
.form-message{display:none;font-size:13px;font-weight:650}.form-message.success{display:block;color:var(--success)}
.privacy{padding:28px 0;background:#eef4f9;border-top:1px solid #d9e6f0}
.privacy-line{display:flex;gap:14px;align-items:flex-start;color:var(--muted);font-size:13px}
.privacy-sign{width:31px;height:31px;display:grid;place-items:center;flex:none;background:#fff;border:1px solid #cfdfeb;border-radius:50%;color:var(--blue);font-weight:900}
.footer{background:#172637;color:#d4e0eb;padding:40px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:34px;padding-bottom:31px;border-bottom:1px solid rgba(220,235,248,.18)}
.footer-brand{font-size:18px;font-weight:820;color:#fff;margin-bottom:9px}.footer p{font-size:13px;color:#9eb2c5;margin:0;max-width:390px}
.footer h3{font-size:13px;color:#fff;margin:2px 0 12px}.footer-links{display:flex;flex-direction:column;gap:7px}.footer-links a{font-size:13px;color:#aebfd0}.footer-links a:hover{color:#fff}
.copyright{padding-top:19px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#92a9bc;font-size:12px}
.drawer-mask{display:none}
.empty-state,.loading-state{display:none}
@media(max-width:1024px){
  :root{--side:220px}
  .container{padding-left:26px;padding-right:26px}
  .hero-copy{padding:38px}.hero-visual{padding:22px}
  .index-sheets{inset:55px 18px 18px 30px}
  .matrix{grid-template-columns:1fr}.matrix-side{grid-template-columns:1fr 1fr;grid-template-rows:none}
}
@media(max-width:768px){
  body{font-size:14px}.sidebar{transform:translateX(-100%);transition:transform .25s ease;box-shadow:var(--shadow);width:280px}
  body.menu-open .sidebar{transform:translateX(0)}.drawer-mask{position:fixed;z-index:25;inset:0;background:rgba(20,35,50,.38)}
  body.menu-open .drawer-mask{display:block}.page{margin-left:0;padding-top:61px}
  .mobile-head{height:61px;position:fixed;z-index:20;left:0;right:0;top:0;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:#fff;border-bottom:1px solid var(--line)}
  .mobile-brand{font-size:15px;font-weight:820}.menu-btn{border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px 9px;color:var(--blue);font-size:17px}
  .container{padding-left:18px;padding-right:18px}.hero{padding-top:21px}.hero-top{margin-bottom:19px}
  .hero-stage{grid-template-columns:1fr;min-height:auto}.hero-copy{padding:32px 25px}.hero-visual{min-height:196px;border-left:0;border-top:1px solid #d8e7f3}
  h1{font-size:33px}.hero-copy p{font-size:15px}.section{padding:52px 0}.channel-grid{grid-template-columns:1fr}.channel-item{border-right:0;border-bottom:1px solid var(--line)}.channel-item:last-child{border-bottom:0}
  .metric-grid{grid-template-columns:1fr 1fr}.metric{padding:17px}.matrix-side{grid-template-columns:1fr}.compare{grid-template-columns:1fr}.compare-side + .compare-side{border-left:0;border-top:1px solid var(--line)}
  .news-layout,.form-box{grid-template-columns:1fr}.news-layout{gap:25px}.form-info,.feedback-form{padding:27px 22px}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .hero-actions{align-items:stretch;width:100%}.hero-actions .btn{width:100%}.hero-actions .btn-text{width:auto;justify-content:flex-start}
  .hero-points{gap:10px}.metric-num{font-size:25px}.section-head h2{font-size:24px}.matrix-feature{padding:25px;min-height:275px}
  .news-item{grid-template-columns:1fr auto;gap:5px 12px}.news-date{grid-column:1/-1}.news-item p{display:none}
  .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}
}

/* roulang page: category1 */
:root{--bg:#f5f8fc;--surface:#fff;--surface-soft:#eef5fb;--sidebar:#f9fbfe;--text:#182536;--muted:#607084;--weak:#8795a7;--line:#dce6f0;--blue:#1769c2;--blue-hover:#0d55a3;--blue-soft:#e8f2ff;--coral:#c9525b;--coral-soft:#fff0f1;--success:#238468;--warning:#a97017;--danger:#bf454f;--restricted:#79596b;--shadow:0 12px 32px rgba(39,75,111,.09);--shadow-sm:0 4px 14px rgba(39,75,111,.07);--radius:12px;--radius-sm:8px;--side:220px;--container:1260px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif}body.menu-open{overflow:hidden}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(23,105,194,.28);outline-offset:2px}.sidebar{position:fixed;z-index:20;inset:0 auto 0 0;width:var(--side);padding:28px 18px 20px;background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 26px;border-bottom:1px solid var(--line)}.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:9px;font-weight:800;font-size:16px;box-shadow:0 5px 14px rgba(23,105,194,.22)}.brand-name{font-size:16px;font-weight:800;line-height:1.25}.brand-sub{display:block;color:var(--weak);font-size:11px;font-weight:500;margin-top:2px}.nav-group{padding:20px 0}.nav-caption{font-size:11px;color:var(--weak);font-weight:700;letter-spacing:.08em;padding:0 11px 8px}.nav-link{display:flex;align-items:center;gap:12px;min-height:44px;padding:10px 11px;margin:3px 0;border-radius:8px;color:#526378;font-weight:650;transition:.2s ease}.nav-link svg{width:19px;height:19px;stroke:currentColor;stroke-width:1.8;fill:none;flex:none}.nav-link:hover{background:var(--blue-soft);color:var(--blue)}.nav-link.active{background:var(--blue);color:#fff;box-shadow:0 5px 13px rgba(23,105,194,.18)}.nav-link.active:hover{background:var(--blue-hover)}.side-bottom{margin-top:auto;padding:15px 10px 0;border-top:1px solid var(--line)}.age-note{font-size:12px;color:var(--restricted);line-height:1.55}.legal-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:9px}.legal-links a{color:var(--weak);font-size:11px;text-decoration:underline;text-underline-offset:3px}.mobile-head{display:none}.page{margin-left:var(--side);min-height:100vh}.container{max-width:var(--container);margin:0 auto;padding:0 34px}.hero{padding:44px 0 35px;background:var(--surface);border-bottom:1px solid var(--line)}.crumb{font-size:13px;color:var(--muted);margin-bottom:19px}.crumb span{color:var(--weak);padding:0 6px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(270px,.75fr);gap:28px;align-items:end}.eyebrow,.badge{display:inline-flex;align-items:center;gap:6px;width:max-content;border-radius:20px;padding:4px 9px;font-size:11px;font-weight:750}.eyebrow{color:var(--blue);background:var(--blue-soft);border:1px solid #cce0f4}.eyebrow i{width:6px;height:6px;background:var(--coral);border-radius:50%}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:0;margin:12px 0 16px}h2{font-size:25px;line-height:1.3;margin-bottom:9px}h3{font-size:16px;line-height:1.35;margin-bottom:6px}.lead{max-width:730px;color:var(--muted);font-size:16px;margin-bottom:0}.hero-meta{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-soft);box-shadow:var(--shadow-sm)}.hero-meta strong{display:block;font-size:14px;margin-bottom:12px}.meta-row{display:flex;justify-content:space-between;gap:15px;padding:8px 0;border-top:1px solid #d7e5f1;color:var(--muted);font-size:13px}.meta-row b{color:var(--text)}.section{padding:58px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head p{margin:0;color:var(--muted);max-width:660px}.toolbar{padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.search-row{display:grid;grid-template-columns:1.4fr repeat(2,.7fr) auto;gap:10px}.field{position:relative}.field label{display:block;font-size:12px;font-weight:700;margin:0 0 5px;color:#42546a}.field input,.field select,.field textarea{width:100%;min-height:42px;border:1px solid #c9d8e6;background:#fff;border-radius:8px;padding:9px 11px;color:var(--text);transition:.18s}.field input::placeholder,.field textarea::placeholder{color:var(--weak)}.field input:hover,.field select:hover,.field textarea:hover{border-color:#9dc1e1}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px 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10px;font-size:12px;font-weight:650;transition:.18s}.tag:hover,.tag.active{border-color:#9fc4e8;background:var(--blue-soft);color:var(--blue)}.result-line{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:24px 0 13px;color:var(--muted);font-size:13px}.result-line b{color:var(--text)}.index-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:24px}.group-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}.group-label{padding:13px 20px;background:var(--surface-soft);border-bottom:1px solid var(--line);font-size:13px;font-weight:800;color:#38536e}.index-row{display:grid;grid-template-columns:86px minmax(0,1fr) 155px 95px;gap:17px;align-items:center;padding:16px 20px;border-bottom:1px solid #e7eef5;transition:.2s}.index-row:last-child{border-bottom:0}.index-row:hover{background:#fbfdff}.cover{aspect-ratio:4/3;border-radius:8px;display:grid;place-items:center;position:relative;overflow:hidden;background:#dbeaf7;color:#2e638e;font-weight:800;font-size:14px}.cover.c2{background:#f2e9eb;color:#9b5960}.cover.c3{background:#e9f1e8;color:#4b7b5a}.cover:after{content:"成年人索引";position:absolute;left:6px;bottom:5px;color:inherit;font-size:9px;font-weight:650}.row-title{font-size:15px;font-weight:800;margin:0 0 4px}.row-summary{font-size:12px;color:var(--muted);margin:0}.row-tags{display:flex;flex-wrap:wrap;gap:5px}.badge{background:var(--blue-soft);color:var(--blue)}.badge.soft{background:#f1f4f7;color:#647487}.badge.restricted{background:#f5edf1;color:var(--restricted)}.row-time{font-size:12px;color:var(--muted)}.index-side{height:max-content;padding:19px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.index-side h3{margin-bottom:13px}.letter-list{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.letter-list button{min-height:34px;border:1px solid var(--line);border-radius:7px;background:#fff;color:#53677e;font-weight:750}.letter-list button:hover,.letter-list button.active{color:#fff;background:var(--blue);border-color:var(--blue)}.side-rule{border:0;border-top:1px solid var(--line);margin:18px 0}.side-list{padding:0;margin:0;list-style:none}.side-list li{padding:8px 0;border-bottom:1px solid #edf2f6;font-size:12px;color:var(--muted)}.side-list li:last-child{border:0}.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:23px}.page-btn{width:38px;height:38px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#54687d;font-weight:750}.page-btn:hover,.page-btn.current{background:var(--blue);border-color:var(--blue);color:#fff}.page-btn:disabled{opacity:.5;cursor:not-allowed}.notice-band{display:grid;grid-template-columns:54px 1fr;gap:15px;margin-top:26px;padding:20px 22px;background:var(--coral-soft);border:1px solid #f1d6d9;border-radius:var(--radius)}.notice-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;color:var(--coral);background:#fff;font-weight:800}.notice-band p{margin:3px 0 0;color:#76545a;font-size:13px}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:start}.faq-intro p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 4px;border:0;background:transparent;color:var(--text);font-weight:750;text-align:left}.faq-question span:last-child{font-size:21px;line-height:1;color:var(--blue);transition:.2s}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}.faq-answer{display:none;padding:0 4px 17px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.feedback{padding:0 0 68px}.feedback-box{display:grid;grid-template-columns:.78fr 1.22fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.feedback-info{padding:31px;background:var(--blue);color:#fff}.feedback-info p{color:#dbeafa}.feedback-info ul{padding-left:18px;margin:21px 0 0;color:#e5f0fb;font-size:13px}.feedback-info li{margin:8px 0}.form-panel{padding:28px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid .full{grid-column:1/-1}.check{display:flex;align-items:flex-start;gap:8px;margin:15px 0;color:var(--muted);font-size:12px}.check input{margin-top:4px;accent-color:var(--blue)}.form-status{display:none;margin-top:12px;padding:9px 11px;border-radius:7px;background:#ebf8f3;color:var(--success);font-size:13px;font-weight:650}.form-status.show{display:block}.footer{background:#182536;color:#dbe4ed;padding:42px 0 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var(--line);border-radius:8px;background:#fff;color:var(--blue);font-size:18px}.mobile-drawer{position:fixed;z-index:40;left:0;top:0;bottom:0;width:270px;padding:26px 18px;background:var(--sidebar);transform:translateX(-102%);transition:.25s;box-shadow:var(--shadow)}body.menu-open .mobile-drawer{transform:translateX(0)}.drawer-close{position:absolute;right:15px;top:13px;border:0;background:transparent;color:var(--muted);font-size:24px}.page{margin-left:0}.hero-grid,.index-layout{grid-template-columns:1fr}.index-side{display:none}.index-row{grid-template-columns:76px minmax(0,1fr) 130px}.row-time{display:none}.search-row{grid-template-columns:1fr 1fr}.search-row .btn{grid-column:1/-1}.faq-grid{grid-template-columns:1fr}.feedback-box{grid-template-columns:1fr}}@media(max-width:768px){.container{padding:0 19px}.hero{padding:30px 0 25px}.hero-grid{gap:19px}.hero-meta{padding:16px}.section{padding:42px 0}.section-head{display:block}.section-head h2{font-size:23px}.section-head p{margin-top:7px}.search-row{grid-template-columns:1fr}.index-row{grid-template-columns:65px minmax(0,1fr);gap:12px;padding:14px}.row-tags{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}.feedback{padding-bottom:44px}}@media(max-width:520px){h1{font-size:29px}.lead{font-size:15px}.mobile-head{padding:0 14px}.filter-tags{gap:6px}.tag{padding:4px 8px}.index-row{grid-template-columns:58px minmax(0,1fr)}.cover{font-size:12px}.row-title{font-size:14px}.row-summary{font-size:11px}.footer-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.btn{width:100%}.pagination .page-btn{width:36px}.copyright{display:block}.copyright span{display:block;margin:4px 0}}

/* roulang page: category2 */
:root{--bg:#f5f8fc;--surface:#fff;--surface-soft:#eef5fb;--sidebar:#f9fbfe;--text:#182536;--muted:#607084;--weak:#8795a7;--line:#dce6f0;--blue:#1769c2;--blue-hover:#0d55a3;--blue-soft:#e8f2ff;--coral:#c9525b;--coral-soft:#fff0f1;--success:#238468;--warning:#a97017;--danger:#bf454f;--restricted:#79596b;--shadow:0 12px 32px rgba(39,75,111,.09);--shadow-sm:0 4px 14px rgba(39,75,111,.07);--radius:12px;--radius-sm:8px;--side:220px;--container:1260px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.65}body.menu-open{overflow:hidden}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(23,105,194,.28);outline-offset:2px}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--side);z-index:30;display:flex;flex-direction:column;padding:28px 18px 18px;background:var(--sidebar);border-right:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 26px;border-bottom:1px solid var(--line)}.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:9px;font-weight:800;font-size:16px;box-shadow:0 5px 14px rgba(23,105,194,.22)}.brand-name{font-size:16px;font-weight:800;line-height:1.25}.brand-sub{display:block;color:var(--weak);font-size:11px;font-weight:500;margin-top:2px}.nav-group{padding:20px 0}.nav-caption{font-size:11px;color:var(--weak);font-weight:700;letter-spacing:.08em;padding:0 11px 8px}.nav-link{display:flex;align-items:center;gap:12px;min-height:44px;padding:10px 11px;margin:3px 0;border-radius:8px;color:#526378;font-weight:650;transition:.2s ease}.nav-link svg{width:19px;height:19px;stroke:currentColor;stroke-width:1.8;fill:none;flex:none}.nav-link:hover{background:var(--blue-soft);color:var(--blue)}.nav-link.active{background:var(--blue);color:#fff;box-shadow:0 5px 13px rgba(23,105,194,.18)}.nav-link.active:hover{background:var(--blue-hover)}.side-bottom{margin-top:auto;padding:16px 10px 4px;border-top:1px solid var(--line)}.age-note{display:flex;gap:8px;color:var(--restricted);font-size:12px;line-height:1.55}.age-dot{width:19px;height:19px;border-radius:50%;flex:none;display:grid;place-items:center;color:#fff;background:var(--restricted);font-size:10px;font-weight:800}.legal-links{display:flex;gap:12px;margin-top:11px}.legal-links a{color:var(--weak);font-size:11px;text-decoration:underline;text-underline-offset:3px}.main{margin-left:var(--side);min-height:100vh}.container{max-width:var(--container);margin:0 auto;padding-left:34px;padding-right:34px}.mobile-head{display:none}.page-hero{padding:46px 0 38px;background:var(--surface);border-bottom:1px solid var(--line)}.crumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--weak);margin-bottom:21px}.crumb a{color:var(--muted)}.crumb a:hover{color:var(--blue)}.crumb span:last-child{color:var(--blue);font-weight:700}.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(270px,.65fr);gap:26px;align-items:end}.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:750;color:var(--blue);background:#fff;border:1px solid #cfe1f4;border-radius:20px;padding:5px 10px}.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--coral)}h1,h2,h3,p{margin-top:0}h1{font-size:40px;line-height:1.24;letter-spacing:0;margin:14px 0 15px}h2{font-size:27px;line-height:1.35;letter-spacing:0;margin-bottom:10px}h3{font-size:17px;line-height:1.45;margin-bottom:7px}.hero-copy p{max-width:760px;color:var(--muted);font-size:16px;margin-bottom:20px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:43px;border:1px solid transparent;border-radius:8px;padding:9px 17px;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(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 5px 12px rgba(23,105,194,.19)}.btn-primary:hover{background:var(--blue-hover)}.btn-secondary{background:#fff;border-color:#c9d9e8;color:var(--blue)}.btn-secondary:hover{background:var(--blue-soft);border-color:#a7c9e8}.btn[disabled]{cursor:not-allowed;opacity:.52;transform:none}.hero-summary{padding:23px;background:var(--surface-soft);border:1px solid #d5e4f1;border-radius:var(--radius)}.summary-label{color:var(--weak);font-size:12px;font-weight:700}.summary-number{font-size:35px;line-height:1.1;color:var(--blue);font-weight:800;margin:8px 0}.summary-text{font-size:13px;color:var(--muted);margin:0}.summary-rule{height:1px;background:#d5e4f1;margin:17px 0}.status-row{display:flex;justify-content:space-between;gap:10px;font-size:12px}.status-row b{color:var(--success)}.section{padding:70px 0}.section-head{max-width:760px;margin-bottom:25px}.section-head p{color:var(--muted);margin-bottom:0}.filter-bar{display:flex;align-items:center;gap:12px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm)}.searchbox{position:relative;flex:1;min-width:180px}.searchbox svg{position:absolute;left:13px;top:50%;width:18px;height:18px;transform:translateY(-50%);stroke:var(--weak);fill:none;stroke-width:2}.searchbox input,.filter-select{width:100%;height:44px;border:1px solid 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11px;color:#4f6277;font-size:13px;font-weight:650;transition:.18s}.tag:hover,.tag.is-selected{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}.tag.is-selected:after{content:"已选";margin-left:6px;font-size:10px}.mosaic{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:122px;gap:16px}.topic-card{position:relative;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);padding:19px;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s}.topic-card:hover{transform:translateY(-3px);border-color:#b6d3ec;box-shadow:var(--shadow)}.topic-card.large{grid-column:span 4;grid-row:span 2;background:#e7f1fb}.topic-card.tall{grid-column:span 2;grid-row:span 3;background:#f0f5fa}.topic-card.wide{grid-column:span 4;grid-row:span 1}.topic-card.small{grid-column:span 2;grid-row:span 1}.topic-card:before{content:"";position:absolute;top:0;right:0;width:72px;height:72px;border-left:1px solid rgba(23,105,194,.12);border-bottom:1px solid rgba(23,105,194,.12);border-radius:0 0 0 72px}.topic-card.restricted{background:#fbf7f9}.topic-index{position:absolute;top:16px;left:18px;color:var(--blue);font-weight:800;font-size:12px}.topic-card.restricted .topic-index{color:var(--restricted)}.topic-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--weak);font-size:11px;margin-bottom:6px}.topic-card h3{position:relative;margin:0;font-size:18px}.topic-card p{position:relative;margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.55}.topic-card.small h3{font-size:15px}.topic-card.small p{display:none}.mini-badge{display:inline-flex;width:max-content;align-items:center;padding:3px 7px;border-radius:20px;background:var(--blue-soft);color:var(--blue);font-size:10px;font-weight:800}.mini-badge.limit{background:#f2e9ee;color:var(--restricted)}.catalog-side{position:sticky;top:25px}.side-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}.side-panel+.side-panel{margin-top:16px}.side-panel h3{margin-bottom:12px}.side-panel p{font-size:13px;color:var(--muted)}.digest-list{margin:0;padding:0;list-style:none}.digest-list li{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-top:1px solid #e6edf4;font-size:13px}.digest-list li:first-child{border-top:0}.digest-list span{color:var(--muted)}.digest-list b{color:var(--blue);font-size:12px}.notice{display:flex;gap:10px;padding:13px;border-radius:8px;background:var(--coral-soft);color:#7a4a52;font-size:12px;line-height:1.6}.notice strong{color:var(--coral)}.state-strip{margin-top:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.state-card{min-height:112px;border:1px dashed #bed0df;border-radius:var(--radius-sm);padding:16px;background:#fbfdff}.state-card h3{font-size:14px;margin-bottom:4px}.state-card p{margin:0;color:var(--muted);font-size:12px}.state-icon{color:var(--blue);font-weight:800;font-size:20px;margin-bottom:6px}.state-card.limit .state-icon{color:var(--restricted)}.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:56px;align-items:start}.faq-lead p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;border:0;background:transparent;padding:19px 0;text-align:left;color:var(--text);font-weight:760;font-size:15px}.faq-question:hover{color:var(--blue)}.faq-symbol{width:22px;height:22px;position:relative;flex:none;color:var(--blue)}.faq-symbol:before,.faq-symbol:after{content:"";position:absolute;top:10px;left:3px;width:16px;height:2px;background:currentColor;border-radius:2px}.faq-symbol:after{transform:rotate(90deg);transition:.2s}.faq-question[aria-expanded="true"] .faq-symbol:after{transform:rotate(0)}.faq-answer{display:none;padding:0 35px 18px 0;color:var(--muted);font-size:14px}.faq-answer.open{display:block}.feedback{padding:52px 0;background:#eaf3fb;border-top:1px solid #d3e3f0}.feedback-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:44px;align-items:start}.feedback-copy p{color:var(--muted)}.check-list{padding:0;margin:22px 0 0;list-style:none}.check-list li{position:relative;padding-left:23px;margin:9px 0;color:#43566b;font-size:13px}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--success);font-weight:800}.form-card{padding:24px;background:var(--surface);border:1px solid #d4e1ec;border-radius:var(--radius);box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-field{display:flex;flex-direction:column;gap:6px}.form-field.full{grid-column:1/-1}.form-field label{font-size:13px;font-weight:720}.required{color:var(--danger)}.form-field input,.form-field select,.form-field textarea{width:100%;border:1px solid #cbd9e7;border-radius:8px;padding:10px 12px;background:#fff;color:var(--text);transition:.18s}.form-field textarea{min-height:92px;resize:vertical}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,194,.12)}.form-field.error input{border-color:var(--danger);background:#fffafb}.field-error{display:none;color:var(--danger);font-size:11px}.form-field.error .field-error{display:block}.consent{display:flex;align-items:flex-start;gap:9px;margin:16px 0;color:var(--muted);font-size:12px}.consent input{width:16px;height:16px;margin-top:2px;accent-color:var(--blue)}.form-message{display:none;margin-top:13px;padding:10px 12px;border-radius:8px;font-size:13px}.form-message.success{display:block;background:#ebf8f3;color:var(--success)}.footer{padding:44px 0 22px;background:#172535;color:#d9e3ed}.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:42px}.footer-brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:9px}.footer p{color:#aebdca;font-size:13px;max-width:370px;margin:0}.footer h3{font-size:13px;color:#fff;margin:3px 0 11px}.footer-links{display:flex;flex-direction:column;gap:7px}.footer-links a{color:#b8c6d2;font-size:13px}.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}.copyright{display:flex;justify-content:space-between;gap:16px;margin-top:38px;padding-top:18px;border-top:1px solid rgba(220,230,240,.16);color:#9eafbe;font-size:12px}
@media(max-width:1024px){:root{--side:0}.sidebar{display:none}.main{margin-left:0}.mobile-head{height:63px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:var(--sidebar);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:25}.mobile-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800}.mobile-brand .brand-mark{width:30px;height:30px;font-size:14px}.menu-btn{border:1px solid #cbd9e7;background:#fff;color:var(--blue);width:38px;height:38px;border-radius:8px;font-size:20px}.sidebar.mobile-open{display:flex;width:min(300px,86vw);box-shadow:16px 0 40px rgba(20,44,70,.18)}.sidebar.mobile-open:after{content:"";position:fixed;inset:0 0 0 min(300px,86vw);background:rgba(13,33,51,.28);z-index:-1}.catalog-layout{grid-template-columns:1fr}.catalog-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}.side-panel+.side-panel{margin-top:0}.faq-wrap,.feedback-grid{gap:30px}.container{padding-left:28px;padding-right:28px}}
@media(max-width:768px){.page-hero{padding:31px 0}.hero-grid,.faq-wrap,.feedback-grid{grid-template-columns:1fr}.hero-summary{max-width:none}.filter-bar{flex-wrap:wrap}.searchbox{flex-basis:100%}.filter-select{flex:1;width:auto}.mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:135px}.topic-card.large,.topic-card.tall,.topic-card.wide,.topic-card.small{grid-column:span 1;grid-row:span 1}.topic-card p{display:none}.catalog-side{grid-template-columns:1fr}.state-strip{grid-template-columns:1fr}.section{padding:52px 0}h1{font-size:32px}h2{font-size:24px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.copyright{flex-direction:column}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}}
@media(max-width:520px){.container{padding-left:18px;padding-right:18px}.mobile-head{padding:0 16px}.hero-actions .btn{width:100%}.filter-select{flex-basis:100%}.result-line{align-items:flex-start;flex-direction:column}.tag-nav{gap:7px}.tag{font-size:12px;padding:6px 9px}.mosaic{gap:11px;grid-auto-rows:128px}.topic-card{padding:14px}.topic-card h3{font-size:15px}.topic-index{top:12px;left:14px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-grid>div:first-child{grid-column:auto}.form-card{padding:18px}.section-head{margin-bottom:20px}}