/* roulang page: index */
:root{--ink:#13243a;--muted:#61758c;--blue:#245b91;--blue2:#2b6ea6;--cyan:#2de2c2;--paper:#f4f8fc;--line:#dce7f1;--nav:#0b1424;--radius:22px;--shadow:0 18px 50px rgba(31,72,112,.11)}
    *{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}a{text-decoration:none;color:inherit}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.topbar{background:var(--nav);color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 8px 26px rgba(5,15,30,.18)}.topbar:after{content:"";display:block;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),#7b8cff,transparent);box-shadow:0 0 15px var(--cyan)}.nav{min-height:76px;display:flex;align-items:center;gap:28px}.logo{font-weight:800;letter-spacing:-.04em;font-size:18px;line-height:1.1;color:#fff;max-width:205px}.logo b{color:var(--cyan)}.links{display:flex;align-items:center;gap:7px;margin-left:auto}.links a{padding:10px 14px;border:1px solid transparent;border-radius:12px;color:#b9c9d9;font-size:14px;transition:.25s}.links a:hover,.links a.active{color:#fff;border-color:rgba(45,226,194,.55);box-shadow:0 0 16px rgba(45,226,194,.13)}.nav-cta,.btn{border:0;border-radius:12px;padding:12px 18px;font-weight:700;transition:.25s;display:inline-flex;align-items:center;justify-content:center;gap:8px}.nav-cta{background:var(--cyan);color:#082034;font-size:14px}.nav-cta:hover,.btn.primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(45,226,194,.22)}.menu{display:none;background:none;border:1px solid #38516b;color:#fff;border-radius:10px;padding:8px 11px}.hero{padding:82px 0 52px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.1em}.eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan)}h1{font-size:clamp(38px,5.2vw,68px);line-height:1.08;letter-spacing:-.06em;margin:17px 0 22px;max-width:700px}.lead{font-size:18px;color:var(--muted);max-width:630px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{padding:14px 21px}.btn.primary{background:var(--blue);color:#fff}.btn.secondary{border:1px solid #bcd0df;color:var(--blue);background:#fff}.btn.secondary:hover{border-color:var(--blue);background:#edf5fb}.hero-panel{background:#102237;border-radius:28px;padding:24px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-panel:before{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(45,226,194,.28);border-radius:50%;right:-75px;top:-80px}.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #29435d;padding-bottom:18px}.live{color:var(--cyan);font-size:12px;font-weight:700}.panel-title{font-size:24px;font-weight:800;margin:25px 0 17px}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.metric{background:#172f47;border:1px solid #29445d;padding:15px;border-radius:15px}.metric strong{display:block;font-size:24px;color:#fff}.metric span{font-size:12px;color:#9ab0c4}.panel-note{margin-top:18px;padding:13px;border-left:3px solid var(--cyan);background:#142b42;color:#b9c9d9;font-size:13px}.section{padding:70px 0}.section.alt{background:#eaf2f8}.section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:29px}.section h2{font-size:clamp(27px,3.5vw,42px);line-height:1.2;letter-spacing:-.04em}.section-intro{max-width:510px;color:var(--muted)}.problem-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:28px}.problem-lead{background:var(--blue);color:#fff;border-radius:var(--radius);padding:30px;min-height:260px}.problem-lead p{color:#d9e8f4;margin-top:15px}.problem-list{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.problem-item,.flow-item,.quote,.faq-item{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px;box-shadow:0 8px 25px rgba(31,72,112,.05)}.number{color:var(--cyan);font-weight:900;font-size:13px}.problem-item h3{font-size:17px;margin:6px 0}.problem-item p{color:var(--muted);font-size:14px}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.flow-item{position:relative;min-height:190px}.flow-item:after{content:"→";position:absolute;right:-13px;top:52px;color:var(--blue2);font-size:22px}.flow-item:last-child:after{display:none}.flow-item h3{margin:14px 0 7px}.flow-item p{font-size:14px;color:var(--muted)}.icon{width:38px;height:38px;border-radius:12px;background:#e4f9f5;color:#087f72;display:grid;place-items:center;font-weight:900}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#b9d1e2;border:1px solid #b9d1e2;border-radius:20px;overflow:hidden}.stat{background:#fff;padding:26px}.stat strong{font-size:34px;color:var(--blue);display:block}.stat span{font-size:13px;color:var(--muted)}.feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.feature-card{border-radius:24px;min-height:260px;padding:27px;position:relative;overflow:hidden;background:#173858;color:#fff}.feature-card.small{background:#fff;color:var(--ink);min-height:121px}.feature-card h3{font-size:25px;margin:14px 0 7px}.feature-card.small h3{font-size:18px;margin:5px 0}.feature-card p{color:#d2e2ed;font-size:14px}.feature-card.small p{color:var(--muted)}.cover{position:absolute;right:0;bottom:0;width:46%;height:82%;background:linear-gradient(140deg,#3c80b5,#15243c 62%,#2de2c2);opacity:.9;clip-path:polygon(25% 0,100% 0,100% 100%,0 100%)}.side-cards{display:grid;gap:18px}.small-tag{font-size:11px;color:#138777;background:#e6faf6;border-radius:99px;padding:4px 9px;font-weight:800;display:inline-block}.testimonial{display:grid;grid-template-columns:1fr 1fr;gap:16px}.quote{font-size:18px}.quote footer{font-size:12px;color:var(--muted);margin-top:16px}.faq{max-width:850px;margin:auto}.faq-item{margin-bottom:10px}.faq-item summary{font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between}.faq-item summary:after{content:"+";color:var(--blue)}.faq-item[open] summary:after{content:"−"}.faq-item p{color:var(--muted);font-size:14px;padding-top:12px;max-width:760px}.cta{background:#0f2135;color:#fff;border-radius:25px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta p{color:#b9c9d9;margin-top:8px}.footer{background:var(--nav);color:#b9c9d9;padding:46px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}.footer h3{color:#fff;font-size:16px;margin-bottom:12px}.footer p,.footer a{font-size:13px}.footer a{display:block;margin:7px 0;transition:.2s}.footer a:hover{color:var(--cyan)}.copyright{border-top:1px solid #26384c;margin-top:32px;padding-top:18px;font-size:12px;color:#7890a6;display:flex;justify-content:space-between;gap:15px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:900px){.links{gap:0}.links a{padding:9px 8px}.hero-grid,.problem-layout,.feature-grid{grid-template-columns:1fr}.hero{padding-top:55px}.flow{grid-template-columns:repeat(2,1fr)}.flow-item:after{display:none}}@media(max-width:650px){.wrap{width:min(100% - 28px,1160px)}.nav{min-height:68px}.menu{display:block;margin-left:auto}.links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--nav);padding:12px 14px;flex-direction:column;align-items:stretch}.links.open{display:flex}.links a{text-align:center}.nav-cta{width:100%;margin-top:5px}.logo{font-size:16px;max-width:180px}.hero{padding:48px 0 35px}h1{font-size:40px}.lead{font-size:16px}.section{padding:48px 0}.section-head{display:block}.section-intro{margin-top:12px}.problem-list,.testimonial,.stats{grid-template-columns:1fr}.flow{grid-template-columns:1fr}.feature-card{min-height:230px}.cta{display:block;padding:28px}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}

/* roulang page: category1 */
:root{--ink:#13243a;--muted:#61758c;--blue:#245b91;--blue2:#2b6ea6;--cyan:#2de2c2;--paper:#f4f8fc;--line:#dce7f1;--nav:#0b1424;--radius:22px;--shadow:0 18px 50px rgba(31,72,112,.11)}
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
    a{text-decoration:none;color:inherit}
    button,input,select{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .wrap{width:min(1160px,calc(100% - 40px));margin:auto}
    .topbar{background:var(--nav);color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 8px 26px rgba(5,15,30,.18)}
    .topbar:after{content:"";display:block;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),#7b8cff,transparent);box-shadow:0 0 15px var(--cyan)}
    .nav{min-height:76px;display:flex;align-items:center;gap:28px}
    .logo{font-weight:800;letter-spacing:-.04em;font-size:18px;line-height:1.1;color:#fff;max-width:205px}
    .logo span{color:var(--cyan)}
    .links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .links a{padding:9px 8px;border:1px solid transparent;border-radius:12px;color:#b9c9d9;font-size:14px;transition:.25s}
    .links a:hover,.links a.active{color:#fff;border-color:rgba(45,226,194,.55);box-shadow:0 0 16px rgba(45,226,194,.13)}
    .nav-cta,.btn{border:0;border-radius:12px;padding:12px 18px;font-weight:700;transition:.25s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-cta{background:var(--cyan);color:#082034;font-size:14px}
    .nav-cta:hover,.btn.primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(45,226,194,.22)}
    .menu{display:none;background:none;border:1px solid #38516b;color:#fff;border-radius:10px;padding:8px 11px}
    .page-head{padding:58px 0 38px;background:#fff;border-bottom:1px solid var(--line)}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.1em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan)}
    h1{font-size:clamp(36px,5vw,64px);line-height:1.12;letter-spacing:-.055em;max-width:800px;margin:14px 0}
    .lead{font-size:17px;color:var(--muted);max-width:730px}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:18px}
    .crumbs a{color:var(--blue)}
    .content-area{padding:48px 0 72px}
    .directory{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}
    .filter{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 9px 28px rgba(31,72,112,.06);position:sticky;top:105px}
    .filter h2{font-size:19px;margin-bottom:19px}
    .filter-group{border-top:1px solid var(--line);padding:17px 0}
    .filter-group:first-of-type{border-top:0;padding-top:0}
    .filter-group h3{font-size:13px;margin-bottom:10px}
    .filter label{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin:9px 0}
    .filter input{accent-color:var(--blue)}
    .filter select{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px;color:var(--ink);background:#f8fbfd;outline:none}
    .filter select:focus,.filter input:focus{outline:3px solid rgba(45,226,194,.25)}
    .filter-note{font-size:12px;color:var(--muted);background:#edf7f7;border-radius:12px;padding:12px;margin-top:14px}
    .result-bar{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:19px}
    .result-bar strong{font-size:17px}
    .result-bar span{font-size:13px;color:var(--muted)}
    .sort{border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink);padding:9px 12px}
    .content-list{display:grid;gap:15px}
    .content-card{display:grid;grid-template-columns:164px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:19px;padding:14px;box-shadow:0 8px 25px rgba(31,72,112,.05);transition:.25s}
    .content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b9d1e2}
    .cover{height:126px;border-radius:13px;overflow:hidden;position:relative;background:linear-gradient(135deg,#183b5c,#2d6b91 55%,#1a273b)}
    .cover:before{content:"成人内容";position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.75);font-size:13px;letter-spacing:.18em;background:linear-gradient(135deg,rgba(13,29,48,.35),rgba(8,20,35,.72))}
    .cover:after{content:"字幕索引";position:absolute;left:10px;bottom:9px;color:var(--cyan);font-size:11px;font-weight:800}
    .card-meta{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:8px}
    .badge{font-size:11px;font-weight:800;color:#137c6e;background:#e5faf5;border-radius:99px;padding:3px 9px}
    .badge.blue{color:var(--blue);background:#eaf3fb}
    .content-card h3{font-size:20px;line-height:1.35;margin-bottom:6px}
    .content-card p{font-size:13px;color:var(--muted);max-width:550px}
    .card-info{display:flex;flex-wrap:wrap;gap:13px;color:var(--muted);font-size:12px;margin-top:11px}
    .btn{padding:11px 16px;white-space:nowrap}
    .btn.primary{background:var(--blue);color:#fff}
    .btn.secondary{border:1px solid #bcd0df;color:var(--blue);background:#fff}
    .btn.secondary:hover{border-color:var(--blue);background:#edf5fb}
    .mobile-filter{display:none}
    .pagination{display:flex;justify-content:center;gap:8px;margin:28px 0}
    .pagination a{width:38px;height:38px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:13px}
    .pagination a.active,.pagination a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
    .notice{padding:24px;border:1px dashed #b7ccdc;border-radius:17px;color:var(--muted);font-size:13px;background:#f8fbfd}
    .section{padding:68px 0}
    .section.alt{background:#eaf2f8}
    .section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:26px}
    .section h2{font-size:clamp(27px,3.5vw,42px);line-height:1.2;letter-spacing:-.04em}
    .section-intro{max-width:510px;color:var(--muted)}
    .faq{max-width:850px;margin:auto}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px;margin-bottom:10px;box-shadow:0 8px 25px rgba(31,72,112,.05)}
    .faq-item summary{font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
    .faq-item summary:after{content:"+";color:var(--blue)}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{color:var(--muted);font-size:14px;padding-top:12px;max-width:760px}
    .cta{background:#0f2135;color:#fff;border-radius:25px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:clamp(25px,4vw,38px);line-height:1.25}
    .cta p{color:#b9c9d9;margin-top:8px}
    .footer{background:var(--nav);color:#b9c9d9;padding:46px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}
    .footer h3{color:#fff;font-size:16px;margin-bottom:12px}
    .footer p,.footer a{font-size:13px}
    .footer a{display:block;margin:7px 0;transition:.2s}
    .footer a:hover{color:var(--cyan)}
    .copyright{border-top:1px solid #26384c;margin-top:32px;padding-top:18px;font-size:12px;color:#7890a6;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:900px){
      .links{gap:0}.links a{padding:9px 8px}.directory{grid-template-columns:1fr}.filter{position:static}.content-card{grid-template-columns:145px 1fr}.content-card .btn{grid-column:2;justify-self:start}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:650px){
      .wrap{width:min(100% - 28px,1160px)}.nav{min-height:68px}.menu{display:block;margin-left:auto}
      .links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--nav);padding:12px 14px;flex-direction:column;align-items:stretch}
      .links.open{display:flex}.links a{text-align:center}.nav-cta{width:100%;margin-top:5px}.logo{font-size:16px;max-width:180px}
      .page-head{padding:42px 0 30px}h1{font-size:39px}.lead{font-size:16px}
      .content-area{padding-top:30px}.mobile-filter{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
      .mobile-filter button{border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:10px;padding:9px 13px}.filter{display:none}.filter.show{display:block}
      .result-bar{align-items:flex-start;flex-direction:column}.sort{width:100%}.content-card{grid-template-columns:92px 1fr;gap:13px}.cover{height:112px}.content-card h3{font-size:16px}.content-card p{font-size:12px}.card-info{gap:7px}.content-card .btn{grid-column:1 / -1;width:100%}
      .section{padding:48px 0}.section-head{display:block}.section-intro{margin-top:12px}.cta{display:block;padding:28px}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}
    }
    @media(max-width:420px){.footer-grid{grid-template-columns:1fr}.content-card{grid-template-columns:78px 1fr}.cover{height:100px}}

/* roulang page: category2 */
:root{
  --ink:#13243a;
  --muted:#61758c;
  --blue:#245b91;
  --blue2:#2b6ea6;
  --cyan:#2de2c2;
  --paper:#f4f8fc;
  --line:#dce7f1;
  --nav:#0b1424;
  --white:#fff;
  --soft:#eaf2f8;
  --orange:#f39b59;
  --radius:22px;
  --shadow:0 18px 50px rgba(31,72,112,.11);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
button,input,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.wrap{width:min(1160px,calc(100% - 40px));margin:0 auto}
.topbar{
  background:var(--nav);
  color:#fff;
  position:sticky;
  top:0;
  z-index:20;
  box-shadow:0 8px 26px rgba(5,15,30,.18)
}
.topbar:after{
  content:"";
  display:block;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),#7b8cff,transparent);
  box-shadow:0 0 15px var(--cyan)
}
.nav{min-height:76px;display:flex;align-items:center;gap:28px}
.logo{
  font-weight:800;
  letter-spacing:-.04em;
  font-size:18px;
  line-height:1.1;
  color:#fff;
  max-width:205px
}
.logo span{color:var(--cyan)}
.links{display:flex;align-items:center;gap:4px;margin-left:auto}
.links a{
  padding:9px 8px;
  border:1px solid transparent;
  border-radius:12px;
  color:#b9c9d9;
  font-size:14px;
  transition:.25s
}
.links a:hover,.links a.active{
  color:#fff;
  border-color:rgba(45,226,194,.55);
  box-shadow:0 0 16px rgba(45,226,194,.13)
}
.nav-cta,.btn{
  border:0;
  border-radius:12px;
  padding:12px 18px;
  font-weight:700;
  transition:.25s;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px
}
.nav-cta{background:var(--cyan);color:#082034;font-size:14px}
.nav-cta:hover,.btn.primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(45,226,194,.22)
}
.menu{
  display:none;
  background:none;
  border:1px solid #38516b;
  color:#fff;
  border-radius:10px;
  padding:8px 11px
}
.page-head{padding:58px 0 38px;background:#eef5fa;border-bottom:1px solid var(--line)}
.crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:18px}
.crumbs a:hover{color:var(--blue)}
.crumbs b{color:#9bb0c2;font-weight:500}
.eyebrow,.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--blue);
  font-size:12px;
  font-weight:800;
  letter-spacing:.1em
}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan)}
.page-head-grid{display:grid;grid-template-columns:1fr 360px;gap:44px;align-items:end}
h1{
  font-size:clamp(36px,5vw,64px);
  line-height:1.12;
  letter-spacing:-.055em;
  max-width:760px;
  margin:13px 0 16px
}
.page-summary{font-size:17px;color:var(--muted);max-width:700px}
.head-note{
  background:#102237;
  color:#fff;
  border-radius:20px;
  padding:22px;
  box-shadow:var(--shadow);
  border:1px solid rgba(45,226,194,.22)
}
.head-note strong{display:block;font-size:19px;margin-bottom:6px}
.head-note p{color:#b9c9d9;font-size:13px}
.status-line{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}
.status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:99px;
  background:#e6faf6;
  color:#138777;
  padding:5px 10px;
  font-size:12px;
  font-weight:800
}
.status:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.section{padding:64px 0}
.section.alt{background:#eaf2f8}
.section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:27px}
.section h2{font-size:clamp(27px,3.5vw,42px);line-height:1.2;letter-spacing:-.04em}
.section-intro{max-width:540px;color:var(--muted)}
.update-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}
.filter-box{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:21px;
  position:sticky;
  top:104px;
  box-shadow:0 8px 25px rgba(31,72,112,.05)
}
.filter-box h3{font-size:18px;margin-bottom:16px}
.filter-group{padding:16px 0;border-top:1px solid var(--line)}
.filter-group:first-of-type{border-top:0;padding-top:0}
.filter-group label{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.filter-group select,.filter-group input{
  width:100%;
  border:1px solid #cbdbe7;
  border-radius:10px;
  padding:9px 10px;
  color:var(--ink);
  background:#f9fcfe;
  outline:none
}
.filter-group select:focus,.filter-group input:focus{
  border-color:var(--blue2);
  box-shadow:0 0 0 3px rgba(45,226,194,.18)
}
.filter-button{width:100%;margin-top:9px}
.result-bar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:15px;
  margin-bottom:16px;
  color:var(--muted);
  font-size:13px
}
.sort-select{
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  padding:9px 12px;
  color:var(--blue);
  outline:none
}
.content-list{display:grid;gap:15px}
.content-row{
  display:grid;
  grid-template-columns:180px 1fr auto;
  gap:20px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:19px;
  padding:14px;
  box-shadow:0 8px 25px rgba(31,72,112,.05);
  transition:.25s
}
.content-row:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b9d0e1}
.cover{
  height:124px;
  border-radius:13px;
  overflow:hidden;
  position:relative;
  background:#173858;
  isolation:isolate
}
.cover:before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 76% 22%,rgba(45,226,194,.8),transparent 22%),
    linear-gradient(135deg,#173858 10%,#245b91 46%,#13243a 47%,#0d1c2d 100%)
}
.cover:after{
  content:"字幕预览";
  position:absolute;
  left:12px;
  bottom:12px;
  color:#fff;
  font-size:12px;
  letter-spacing:.12em;
  border-left:2px solid var(--cyan);
  padding-left:8px
}
.cover.orange:before{background:radial-gradient(circle at 25% 25%,rgba(243,155,89,.8),transparent 24%),linear-gradient(135deg,#472d3b,#a85d60 48%,#14283d 49%,#0d1c2d)}
.cover.purple:before{background:radial-gradient(circle at 70% 30%,rgba(137,127,255,.8),transparent 24%),linear-gradient(135deg,#2b2a60,#4a5c9a 48%,#14283d 49%,#0d1c2d)}
.cover.green:before{background:radial-gradient(circle at 28% 22%,rgba(45,226,194,.75),transparent 24%),linear-gradient(135deg,#124d52,#257d7d 48%,#14283d 49%,#0d1c2d)}
.row-info h3{font-size:20px;line-height:1.3;margin:8px 0 7px}
.row-info p{font-size:13px;color:var(--muted);margin-bottom:9px}
.meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.meta span{padding-right:9px;border-right:1px solid #cbd9e4}
.meta span:last-child{border:0}
.row-action{white-space:nowrap}
.btn{padding:11px 16px}
.btn.primary{background:var(--blue);color:#fff}
.btn.secondary{border:1px solid #bcd0df;color:var(--blue);background:#fff}
.btn.secondary:hover{border-color:var(--blue);background:#edf5fb}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:25px}
.pagination a{
  min-width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);
  background:#fff;border-radius:9px;color:var(--muted);font-size:13px
}
.pagination a:hover,.pagination a.current{background:var(--blue);color:#fff;border-color:var(--blue)}
.rule-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.rule-panel,.notice-panel{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:27px;box-shadow:0 8px 25px rgba(31,72,112,.05)
}
.rule-panel h3,.notice-panel h3{font-size:22px;margin-bottom:10px}
.rule-panel p,.notice-panel p{color:var(--muted);font-size:14px}
.rule-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
.rule-list div{padding:14px;border-radius:13px;background:#f1f7fb;color:var(--blue);font-weight:700;font-size:14px}
.notice-panel{background:#102237;color:#fff}
.notice-panel p{color:#b9c9d9}
.notice-panel .small-tag{margin-bottom:18px}
.faq{max-width:850px;margin:auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px;
  box-shadow:0 8px 25px rgba(31,72,112,.05);margin-bottom:10px
}
.faq-item summary{font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";color:var(--blue);font-size:22px;line-height:1}
.faq-item[open] summary:after{content:"−"}
.faq-item p{color:var(--muted);font-size:14px;padding-top:12px;max-width:760px}
.cta{
  background:#0f2135;color:#fff;border-radius:25px;padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:25px
}
.cta h2{font-size:clamp(25px,3vw,38px);line-height:1.2}
.cta p{color:#b9c9d9;margin-top:8px;max-width:650px}
.footer{background:var(--nav);color:#b9c9d9;padding:46px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}
.footer h3{color:#fff;font-size:16px;margin-bottom:12px}
.footer p,.footer a{font-size:13px}
.footer a{display:block;margin:7px 0;transition:.2s}
.footer a:hover{color:var(--cyan)}
.footer-brand{font-size:20px;font-weight:800;line-height:1.2;color:#fff;margin-bottom:13px}
.footer-brand span{color:var(--cyan)}
.copyright{
  border-top:1px solid #26384c;margin-top:32px;padding-top:18px;font-size:12px;color:#7890a6;
  display:flex;justify-content:space-between;gap:15px
}
:focus-visible{outline:3px solid rgba(45,226,194,.7);outline-offset:3px}
@media(max-width:900px){
  .links{gap:0}
  .links a{padding:9px 8px}
  .page-head-grid,.update-layout,.rule-grid{grid-template-columns:1fr}
  .filter-box{position:static}
  .filter-box{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .filter-box h3{grid-column:1/-1;margin:0}
  .filter-group{padding:0;border:0}
  .filter-button{grid-column:1/-1}
}
@media(max-width:650px){
  .wrap{width:min(100% - 28px,1160px)}
  .nav{min-height:68px}
  .menu{display:block;margin-left:auto}
  .links{
    display:none;position:absolute;top:68px;left:0;right:0;background:var(--nav);
    padding:12px 14px;flex-direction:column;align-items:stretch
  }
  .links.open{display:flex}
  .links a{text-align:center}
  .nav-cta{width:100%;margin-top:5px}
  .logo{font-size:16px;max-width:180px}
  .page-head{padding:42px 0 30px}
  h1{font-size:39px}
  .page-summary{font-size:15px}
  .section{padding:46px 0}
  .section-head{display:block}
  .section-intro{margin-top:11px}
  .filter-box{display:block}
  .filter-group{padding:14px 0;border-top:1px solid var(--line)}
  .filter-group:first-of-type{border-top:0}
  .content-row{grid-template-columns:112px 1fr;gap:13px;padding:11px}
  .cover{height:126px}
  .row-info h3{font-size:16px}
  .row-info p{font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .row-action{grid-column:2;display:flex}
  .row-action .btn{width:100%;padding:9px 11px;font-size:13px}
  .result-bar{align-items:flex-start;flex-direction:column}
  .sort-select{width:100%}
  .rule-list{grid-template-columns:1fr}
  .cta{display:block;padding:28px}
  .cta .btn{margin-top:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .copyright{display:block}
  .copyright span{display:block;margin-top:8px}
}
@media(max-width:420px){
  .footer-grid{grid-template-columns:1fr}
  .content-row{grid-template-columns:92px 1fr}
  .cover{height:116px}
  .meta span{border:0;padding:0}
}