/* roulang page: index */
:root{
  --c-bg:#0d0b13;
  --c-bg-2:#15111d;
  --c-surface:#1c1729;
  --c-surface-2:#241d34;
  --c-border:#2f2743;
  --c-text:#f4f1fa;
  --c-text-2:#b6adc7;
  --c-muted:#8a8199;
  --c-primary:#ff2e63;
  --c-primary-2:#ff5c8a;
  --c-accent:#7c5cff;
  --c-gold:#f7c948;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.25);
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 20px 50px rgba(255,46,99,.18);
  --ease:cubic-bezier(.4,.2,.2,1);
  --pad:clamp(16px,3vw,32px);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Helvetica Neue","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--c-primary-2)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;line-height:1.25}
p{margin:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--pad)}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(13,11,19,.85);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--c-border);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.04em}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-accent) 100%);
  display:grid;place-items:center;color:#fff;font-size:18px;
  box-shadow:0 8px 20px rgba(255,46,99,.4);
}
.logo-text{background:linear-gradient(90deg,#fff,#ffbcd0);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-list a{
  display:inline-block;padding:10px 16px;border-radius:999px;
  font-size:15px;color:var(--c-text-2);font-weight:500;
  transition:all .25s var(--ease);
}
.nav-list a:hover{color:#fff;background:var(--c-surface-2)}
.nav-list a.active{color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));box-shadow:0 6px 18px rgba(255,46,99,.35)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;font-weight:600;font-size:14px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;box-shadow:0 8px 20px rgba(255,46,99,.35);
  transition:transform .25s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);color:#fff}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;background:var(--c-surface-2);align-items:center;justify-content:center}
.hamburger span{width:20px;height:2px;background:#fff;position:relative;display:block}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff}
.hamburger span::before{top:-6px}.hamburger span::after{top:6px}

/* HERO */
.hero{
  position:relative;
  padding:90px 0 110px;
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(13,11,19,.55) 0%,rgba(13,11,19,.85) 60%,var(--c-bg) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 40% at 50% 0%,rgba(124,92,255,.25),transparent 70%);
}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:900px;margin:0 auto}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:#ffd0dd;font-weight:500;margin-bottom:22px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 12px var(--c-primary);display:inline-block}
.hero h1{
  font-size:clamp(34px,5.4vw,64px);font-weight:800;
  background:linear-gradient(90deg,#fff 0%,#ffb3c8 50%,#c7b4ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:22px;
}
.hero-sub{font-size:clamp(15px,1.5vw,18px);color:var(--c-text-2);max-width:720px;margin:0 auto 34px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:44px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;
  transition:all .3s var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#fff;box-shadow:var(--shadow-lg)}
.btn-primary:hover{transform:translateY(-3px);color:#fff;box-shadow:0 24px 60px rgba(255,46,99,.35)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.2)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:820px;margin:0 auto;
  background:rgba(28,23,41,.55);border:1px solid var(--c-border);
  padding:24px;border-radius:var(--radius-lg);backdrop-filter:blur(10px);
}
.stat-num{font-size:clamp(22px,3vw,34px);font-weight:800;color:#fff}
.stat-num span{color:var(--c-primary)}
.stat-label{font-size:13px;color:var(--c-muted);margin-top:4px}

/* SECTION SHARED */
.section{padding:90px 0;position:relative}
.section-alt{background:var(--c-bg-2)}
.section-head{max-width:720px;margin:0 auto 54px;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--c-primary);font-weight:700;margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px}
.section-head p{color:var(--c-text-2);font-size:16px}

/* FEATURES */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature{
  background:var(--c-surface);border:1px solid var(--c-border);
  padding:32px;border-radius:var(--radius-lg);
  transition:all .35s var(--ease);position:relative;overflow:hidden;
}
.feature::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(255,46,99,.14),transparent 60%);
  opacity:0;transition:opacity .35s var(--ease);pointer-events:none;
}
.feature:hover{transform:translateY(-6px);border-color:rgba(255,46,99,.4);box-shadow:var(--shadow)}
.feature:hover::before{opacity:1}
.feature-icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,46,99,.18),rgba(124,92,255,.18));
  color:var(--c-primary);font-size:24px;margin-bottom:20px;
}
.feature h3{font-size:20px;margin-bottom:10px}
.feature p{color:var(--c-text-2);font-size:15px}

/* CATEGORY */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cat-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/5;isolation:isolate;
  border:1px solid var(--c-border);
  transition:transform .4s var(--ease);
}
.cat-card:hover{transform:translateY(-6px)}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.cat-card:hover img{transform:scale(1.08)}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(13,11,19,.9) 100%);
}
.cat-body{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:24px;
}
.cat-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(255,46,99,.85);color:#fff;font-size:12px;font-weight:600;margin-bottom:12px;
}
.cat-card h3{font-size:22px;margin-bottom:8px;color:#fff}
.cat-card p{color:rgba(255,255,255,.75);font-size:14px;margin-bottom:14px}
.cat-more{color:#ffd0dd;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.cat-more::after{content:"→";transition:transform .25s var(--ease)}
.cat-card:hover .cat-more::after{transform:translateX(4px)}

/* PROMO STRIP */
.promo-strip{
  padding:60px 0;
  background:linear-gradient(90deg,rgba(255,46,99,.14),rgba(124,92,255,.14));
  border-block:1px solid var(--c-border);
}
.promo-inner{
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.promo-inner h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.promo-inner p{color:var(--c-text-2);font-size:16px}
.promo-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.promo-tags span{
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  font-size:13px;color:#fff;
}
.promo-cover{
  border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/10;
  box-shadow:var(--shadow-lg);border:1px solid var(--c-border);
}
.promo-cover img{width:100%;height:100%;object-fit:cover}

/* LATEST LIST */
.latest-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.post-card{
  display:flex;gap:20px;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius);padding:18px;
  transition:all .3s var(--ease);
}
.post-card:hover{border-color:rgba(255,46,99,.5);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.post-thumb{
  flex:0 0 130px;height:100px;border-radius:var(--radius-sm);overflow:hidden;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:22px;
}
.post-body{flex:1;min-width:0}
.post-meta{font-size:12px;color:var(--c-muted);margin-bottom:8px;display:flex;gap:12px;flex-wrap:wrap}
.post-meta .cat{color:var(--c-primary);font-weight:600}
.post-body h3{font-size:17px;margin-bottom:8px;line-height:1.4}
.post-body h3 a{color:#fff}
.post-body h3 a:hover{color:var(--c-primary-2)}
.post-body p{font-size:14px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-empty{
  grid-column:1/-1;text-align:center;padding:48px 20px;
  background:var(--c-surface);border:1px dashed var(--c-border);
  border-radius:var(--radius);color:var(--c-muted);
}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  padding:28px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,var(--c-surface),var(--c-surface-2));
  border:1px solid var(--c-border);position:relative;
}
.step-num{
  position:absolute;top:-18px;left:24px;
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#fff;display:grid;place-items:center;font-weight:800;
  box-shadow:0 8px 20px rgba(255,46,99,.35);
}
.step h3{font-size:18px;margin:16px 0 10px}
.step p{color:var(--c-text-2);font-size:14px}

/* FAQ */
.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius);overflow:hidden;transition:border-color .25s var(--ease);
}
.faq[open]{border-color:rgba(255,46,99,.5)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  font-weight:600;font-size:16px;color:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";width:28px;height:28px;border-radius:50%;
  background:var(--c-surface-2);color:var(--c-primary);
  display:grid;place-items:center;font-size:18px;flex:0 0 28px;
  transition:transform .3s var(--ease);
}
.faq[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 24px 22px;color:var(--c-text-2);font-size:15px}

/* CTA */
.cta{
  padding:90px 0;
  background:
    linear-gradient(135deg,rgba(255,46,99,.85),rgba(124,92,255,.85)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  text-align:center;
}
.cta h2{font-size:clamp(28px,4vw,44px);margin-bottom:16px;color:#fff}
.cta p{color:rgba(255,255,255,.9);max-width:640px;margin:0 auto 30px;font-size:17px}
.cta .btn-primary{background:#fff;color:var(--c-primary)}
.cta .btn-primary:hover{background:#fff;color:var(--c-primary)}
.cta .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}

/* FOOTER */
.site-footer{background:#08060d;border-top:1px solid var(--c-border);padding:64px 0 24px;color:var(--c-text-2)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer-brand p{font-size:14px;color:var(--c-muted);margin-top:14px;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.06em}
.footer-col ul li{margin-bottom:10px;font-size:14px}
.footer-col a:hover{color:var(--c-primary-2)}
.footer-bottom{
  padding-top:22px;border-top:1px solid #1a1522;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--c-muted);
}

/* RESPONSIVE */
@media (max-width:1024px){
  .feature-grid,.cat-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .promo-inner{grid-template-columns:1fr}
}
@media (max-width:768px){
  .nav-list{display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:var(--c-bg-2);padding:20px;gap:6px;
    border-bottom:1px solid var(--c-border);align-items:stretch;
  }
  .nav-list.open{display:flex}
  .nav-list a{width:100%;text-align:center}
  .hamburger{display:flex}
  .nav-cta{display:none}
  .site-header .container{position:relative}
  .latest-grid{grid-template-columns:1fr}
  .post-card{flex-direction:column}
  .post-thumb{width:100%;flex:0 0 auto;height:160px}
  .hero{padding:70px 0 80px}
}
@media (max-width:520px){
  .feature-grid,.cat-grid,.steps,.footer-grid,.hero-stats{grid-template-columns:1fr}
  .section{padding:64px 0}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{justify-content:center}
}

/* roulang page: category2 */
:root{
  --bg:#0d0a14;
  --bg-2:#15101f;
  --panel:#1c1530;
  --panel-2:#241a3d;
  --line:#2f2450;
  --text:#f2ecff;
  --muted:#a49bc4;
  --primary:#ff2e6d;
  --primary-2:#ff6a99;
  --accent:#7c5cff;
  --gold:#ffb547;
  --radius:14px;
  --radius-sm:8px;
  --radius-lg:22px;
  --shadow:0 14px 34px rgba(0,0,0,.35);
  --shadow-sm:0 6px 18px rgba(0,0,0,.25);
  --gap:24px;
  --container:1200px;
  --trans:.25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none;transition:color var(--trans)}
a:hover{color:var(--primary-2)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,10,20,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:900;box-shadow:0 4px 14px rgba(255,46,109,.35)}
.logo-text{background:linear-gradient(90deg,#fff,var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:.5px}
.nav-list{display:flex;gap:6px;flex:1;justify-content:center;flex-wrap:wrap}
.nav-list a{padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--muted);transition:all var(--trans)}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-list a.active{color:#fff;background:linear-gradient(90deg,var(--primary),var(--accent));box-shadow:0 6px 18px rgba(124,92,255,.35)}
.nav-cta{padding:10px 20px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff !important;font-weight:600;font-size:14px;box-shadow:0 6px 20px rgba(255,46,109,.35)}
.nav-cta:hover{transform:translateY(-1px);color:#fff !important}
.hamburger{display:none;width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.05);align-items:center;justify-content:center}
.hamburger span,.hamburger span:before,.hamburger span:after{content:"";display:block;width:18px;height:2px;background:#fff;position:relative;border-radius:2px}
.hamburger span:before{position:absolute;top:-6px}
.hamburger span:after{position:absolute;top:6px}

/* Hero */
.cat-hero{position:relative;padding:80px 0 70px;overflow:hidden;background:
  linear-gradient(180deg,rgba(13,10,20,.55) 0%,rgba(13,10,20,.9) 100%),
  url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.cat-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(255,46,109,.25),transparent 60%),radial-gradient(circle at 80% 70%,rgba(124,92,255,.25),transparent 60%);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,46,109,.15);border:1px solid rgba(255,46,109,.4);color:var(--primary-2);font-size:13px;font-weight:600;margin-bottom:20px}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.cat-hero h1{font-size:52px;line-height:1.15;font-weight:900;margin-bottom:20px;letter-spacing:-.5px}
.cat-hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--primary),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero p.lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:12px;font-weight:600;font-size:15px;transition:all var(--trans)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 10px 28px rgba(255,46,109,.4)}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 14px 32px rgba(255,46,109,.55)}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:26px;font-weight:800;color:#fff;background:linear-gradient(90deg,var(--primary-2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .stat span{font-size:13px;color:var(--muted)}
.hero-poster{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transform:rotate(-1.5deg);border:1px solid var(--line)}
.hero-poster img{aspect-ratio:4/5;object-fit:cover;border-radius:0}
.hero-poster .poster-info{position:absolute;left:20px;right:20px;bottom:20px;padding:14px 18px;background:rgba(13,10,20,.75);backdrop-filter:blur(10px);border-radius:12px;border:1px solid rgba(255,255,255,.08)}
.hero-poster .poster-info strong{display:block;font-size:15px;margin-bottom:4px}
.hero-poster .poster-info span{font-size:12px;color:var(--muted)}

/* Sections */
section{padding:70px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px}
.section-head .eyebrow{color:var(--primary-2);font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:38px;font-weight:800;margin-bottom:14px;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:16px}

/* Features */
.features{background:var(--bg-2)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.feature-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;transition:all var(--trans);position:relative;overflow:hidden}
.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform var(--trans)}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(255,46,109,.4);box-shadow:var(--shadow-sm)}
.feature-card:hover:before{transform:scaleX(1)}
.feature-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(255,46,109,.2),rgba(124,92,255,.2));display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.feature-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:14px;line-height:1.7}

/* Themes (适用场景) */
.themes .theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.theme-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--panel);border:1px solid var(--line);transition:all var(--trans)}
.theme-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.theme-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.theme-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease}
.theme-card:hover .theme-thumb img{transform:scale(1.05)}
.theme-thumb .badge{position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:999px;background:rgba(13,10,20,.75);backdrop-filter:blur(6px);font-size:12px;font-weight:600;color:var(--primary-2);border:1px solid rgba(255,46,109,.3)}
.theme-thumb .duration{position:absolute;bottom:14px;right:14px;padding:4px 10px;border-radius:6px;background:rgba(13,10,20,.85);font-size:12px;color:#fff}
.theme-body{padding:20px 22px 24px}
.theme-body h3{font-size:18px;font-weight:700;margin-bottom:10px}
.theme-body p{color:var(--muted);font-size:14px;margin-bottom:14px}
.theme-tags{display:flex;flex-wrap:wrap;gap:6px}
.theme-tags span{padding:3px 10px;border-radius:6px;background:rgba(124,92,255,.15);color:var(--primary-2);font-size:12px;font-weight:500}

/* Flow */
.flow{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow-steps:before{content:"";position:absolute;top:34px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,transparent,var(--primary),var(--accent),transparent);z-index:0}
.flow-step{position:relative;z-index:1;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 20px;text-align:center}
.step-num{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;color:#fff;box-shadow:0 8px 20px rgba(255,46,109,.35)}
.flow-step h4{font-size:16px;font-weight:700;margin-bottom:8px}
.flow-step p{color:var(--muted);font-size:13.5px;line-height:1.65}

/* Showcase (代表作) */
.showcase{background:var(--bg-2)}
.show-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.show-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all var(--trans);position:relative}
.show-card:hover{transform:translateY(-4px);border-color:rgba(255,46,109,.4);box-shadow:var(--shadow)}
.show-thumb{position:relative;aspect-ratio:3/4;overflow:hidden}
.show-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.show-thumb .hd{position:absolute;top:10px;right:10px;padding:3px 8px;border-radius:5px;background:var(--gold);color:#1a1330;font-size:11px;font-weight:800}
.show-thumb .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(13,10,20,.4);opacity:0;transition:opacity var(--trans)}
.show-thumb .play span{width:52px;height:52px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.show-card:hover .show-thumb .play{opacity:1}
.show-body{padding:16px 16px 18px}
.show-body h4{font-size:15px;font-weight:700;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.show-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12.5px}
.show-meta .score{color:var(--gold);font-weight:700}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;transition:all var(--trans)}
.faq-item:hover{border-color:rgba(255,46,109,.35)}
.faq-item summary{cursor:pointer;font-weight:700;font-size:16.5px;display:flex;justify-content:space-between;align-items:center;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";font-size:22px;color:var(--primary-2);font-weight:400;transition:transform var(--trans)}
.faq-item[open] summary:after{content:"−"}
.faq-item p{color:var(--muted);font-size:14.5px;margin-top:14px;line-height:1.75}

/* CTA */
.cta-band{padding:70px 0;background:linear-gradient(135deg,rgba(255,46,109,.15),rgba(124,92,255,.15));border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.cta-band:before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.12;filter:blur(2px)}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:36px;font-weight:800;margin-bottom:14px}
.cta-inner p{color:var(--muted);font-size:16px;margin-bottom:26px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* Footer */
.site-footer{background:#0a0712;padding:60px 0 24px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:16px;max-width:320px;line-height:1.75}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--muted);font-size:14px}
.footer-col a:hover{color:var(--primary-2)}
.footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;color:var(--muted);font-size:13px;flex-wrap:wrap;gap:10px}

/* Responsive */
@media(max-width:1024px){
  .feature-grid,.show-grid{grid-template-columns:repeat(3,1fr)}
  .flow-steps{grid-template-columns:repeat(2,1fr)}
  .flow-steps:before{display:none}
  .theme-grid{grid-template-columns:repeat(2,1fr)}
  .cat-hero h1{font-size:42px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-list{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-2);flex-direction:column;padding:14px;border-top:1px solid var(--line)}
  .nav-list.open{display:flex}
  .nav-cta{display:none}
  .hamburger{display:inline-flex}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-poster{max-width:340px;margin:0 auto}
  .cat-hero h1{font-size:34px}
  .feature-grid,.show-grid{grid-template-columns:repeat(2,1fr)}
  .theme-grid{grid-template-columns:1fr}
  section{padding:56px 0}
  .section-head h2,.cta-inner h2{font-size:28px}
}
@media(max-width:520px){
  .feature-grid,.show-grid,.flow-steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cat-hero h1{font-size:28px}
  .hero-stats{gap:20px}
  .hero-stats .stat b{font-size:22px}
}

/* roulang page: article */
:root{
  --c-bg:#0d0b14;
  --c-bg-2:#141020;
  --c-surface:#1a1626;
  --c-surface-2:#221c33;
  --c-border:#2c2540;
  --c-text:#f2ecff;
  --c-muted:#a99fc4;
  --c-primary:#ff2e6a;
  --c-primary-2:#ff5a86;
  --c-accent:#8b5cf6;
  --c-accent-2:#22d3ee;
  --c-warn:#fbbf24;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.35);
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-glow:0 0 40px rgba(255,46,106,.35);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:72px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  color:var(--c-text);
  background:
    radial-gradient(1200px 600px at 90% -10%,rgba(139,92,246,.18),transparent 60%),
    radial-gradient(900px 500px at -10% 20%,rgba(255,46,106,.18),transparent 60%),
    var(--c-bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-2)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none;margin:0;padding:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,11,20,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  display:grid;place-items:center;color:#fff;font-weight:900;font-size:18px;
  box-shadow:var(--shadow-glow);
}
.logo-text{font-size:18px;letter-spacing:.5px}
.nav-list{display:flex;gap:6px;flex:1;justify-content:center;flex-wrap:wrap}
.nav-list a{
  padding:8px 14px;border-radius:999px;font-size:14px;color:var(--c-muted);
  transition:all .2s ease;
}
.nav-list a:hover{color:var(--c-text);background:var(--c-surface)}
.nav-list a.active{color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));box-shadow:var(--shadow-sm)}
.nav-cta{
  padding:10px 20px;border-radius:999px;font-weight:700;font-size:14px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;box-shadow:var(--shadow-glow);
}
.nav-cta:hover{color:#fff;transform:translateY(-1px)}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;background:var(--c-surface);align-items:center;justify-content:center}
.hamburger span,.hamburger span::before,.hamburger span::after{content:"";display:block;width:20px;height:2px;background:#fff;border-radius:2px;position:relative}
.hamburger span::before{position:absolute;top:-6px}
.hamburger span::after{position:absolute;top:6px}

/* article hero */
.article-hero{
  padding:60px 0 40px;
  border-bottom:1px solid var(--c-border);
  background:
    linear-gradient(180deg,rgba(13,11,20,.6),rgba(13,11,20,.95)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.crumbs{display:flex;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:20px;flex-wrap:wrap}
.crumbs a:hover{color:var(--c-primary-2)}
.crumbs .sep{opacity:.5}
.article-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,46,106,.12);color:var(--c-primary-2);
  font-size:13px;font-weight:600;border:1px solid rgba(255,46,106,.3);
  margin-bottom:18px;
}
.article-title{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;
  margin:0 0 20px;
  font-weight:800;
  background:linear-gradient(90deg,#fff 30%,#ffc7d8 80%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{
  display:flex;gap:20px;flex-wrap:wrap;color:var(--c-muted);font-size:14px;
  padding-top:14px;border-top:1px dashed var(--c-border);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary)}

/* main layout */
.article-wrap{padding:50px 0 72px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}

/* content card */
.content-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  padding:40px 44px;
  box-shadow:var(--shadow);
}
.article-body{color:#e4dcf5;font-size:16.5px;line-height:1.9}
.article-body h1,.article-body h2,.article-body h3{color:#fff;margin:1.6em 0 .6em;font-weight:700;line-height:1.35}
.article-body h2{font-size:24px;padding-left:14px;border-left:4px solid var(--c-primary)}
.article-body h3{font-size:19px;color:var(--c-primary-2)}
.article-body p{margin:0 0 1.2em}
.article-body a{color:var(--c-accent-2);border-bottom:1px dashed rgba(34,211,238,.4)}
.article-body a:hover{color:var(--c-primary-2)}
.article-body img{border-radius:var(--radius);margin:1.2em 0;box-shadow:var(--shadow-sm)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body li{margin-bottom:.5em}
.article-body blockquote{
  margin:1.4em 0;padding:16px 22px;
  background:rgba(139,92,246,.08);
  border-left:4px solid var(--c-accent);
  border-radius:var(--radius-sm);color:var(--c-muted);
}
.article-body code{background:var(--c-bg-2);padding:2px 8px;border-radius:6px;font-size:.9em;color:var(--c-warn)}
.article-body strong{color:#fff}

/* empty state */
.empty-state{
  text-align:center;padding:60px 20px;
}
.empty-state .icon{
  width:72px;height:72px;border-radius:50%;margin:0 auto 20px;
  background:linear-gradient(135deg,rgba(255,46,106,.15),rgba(139,92,246,.15));
  display:grid;place-items:center;font-size:32px;color:var(--c-primary-2);
}
.empty-state h2{font-size:24px;margin:0 0 10px;color:#fff}
.empty-state p{color:var(--c-muted);margin:0 0 24px}
.btn-back{
  display:inline-block;padding:12px 28px;border-radius:999px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;font-weight:700;box-shadow:var(--shadow-glow);
}
.btn-back:hover{color:#fff;transform:translateY(-2px)}

/* content footer / tags */
.content-footer{
  margin-top:36px;padding-top:26px;
  border-top:1px solid var(--c-border);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center;
}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:var(--c-surface-2);color:var(--c-muted);
  border:1px solid var(--c-border);
}
.tag:hover{color:var(--c-primary-2);border-color:var(--c-primary)}
.share-row{display:flex;gap:10px;align-items:center;color:var(--c-muted);font-size:13px}
.share-btn{
  width:36px;height:36px;border-radius:10px;
  background:var(--c-surface-2);display:grid;place-items:center;
  border:1px solid var(--c-border);
}
.share-btn:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* sidebar */
.sidebar{position:sticky;top:88px;display:flex;flex-direction:column;gap:24px}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  padding:22px;
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:#fff;
  margin:0 0 16px;padding-bottom:12px;
  border-bottom:1px solid var(--c-border);
}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:linear-gradient(180deg,var(--c-primary),var(--c-accent))}
.hot-list li{padding:12px 0;border-bottom:1px dashed var(--c-border)}
.hot-list li:last-child{border:0}
.hot-list a{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#d4cbe8;line-height:1.55}
.hot-list a:hover{color:var(--c-primary-2)}
.hot-num{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;
  display:grid;place-items:center;font-size:12px;font-weight:800;
  background:var(--c-surface-2);color:var(--c-muted);
}
.hot-list li:nth-child(1) .hot-num{background:linear-gradient(135deg,#ff2e6a,#ff8a3e);color:#fff}
.hot-list li:nth-child(2) .hot-num{background:linear-gradient(135deg,#ff5a86,#c084fc);color:#fff}
.hot-list li:nth-child(3) .hot-num{background:linear-gradient(135deg,#8b5cf6,#22d3ee);color:#fff}

.cat-cloud{display:flex;flex-wrap:wrap;gap:8px}
.cat-cloud a{
  padding:7px 12px;border-radius:8px;font-size:13px;
  background:var(--c-surface-2);color:var(--c-muted);
  border:1px solid var(--c-border);
}
.cat-cloud a:hover{color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));border-color:transparent}

.mini-cta{
  text-align:center;padding:26px 20px;
  background:
    linear-gradient(135deg,rgba(255,46,106,.15),rgba(139,92,246,.15)),
    url('/assets/images/coverpic/cover-6.webp') center/cover no-repeat;
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
}
.mini-cta h4{margin:0 0 8px;font-size:17px;color:#fff}
.mini-cta p{margin:0 0 14px;font-size:13px;color:var(--c-muted)}
.mini-cta .btn-back{padding:10px 20px;font-size:13px}

/* related grid */
.related-section{margin-top:64px}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  margin-bottom:26px;gap:16px;flex-wrap:wrap;
}
.section-head h2{
  font-size:28px;margin:0;font-weight:800;
  background:linear-gradient(90deg,#fff,#ffb0c8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-head p{margin:0;color:var(--c-muted);font-size:14px}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.related-card{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--c-primary)}
.related-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-thumb img{transform:scale(1.08)}
.related-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(13,11,20,.85));
}
.related-badge{
  position:absolute;top:10px;left:10px;z-index:2;
  padding:4px 10px;border-radius:6px;font-size:11px;font-weight:700;
  background:rgba(255,46,106,.9);color:#fff;
}
.related-play{
  position:absolute;bottom:10px;right:10px;z-index:2;
  padding:4px 8px;border-radius:6px;font-size:12px;
  background:rgba(0,0,0,.7);color:#fff;
}
.related-info{padding:16px}
.related-info h3{margin:0 0 6px;font-size:15px;line-height:1.45;color:#fff;font-weight:600}
.related-info h3 a:hover{color:var(--c-primary-2)}
.related-info .meta{font-size:12px;color:var(--c-muted);display:flex;justify-content:space-between}

/* footer */
.site-footer{
  background:var(--c-bg-2);
  border-top:1px solid var(--c-border);
  padding:56px 0 24px;margin-top:60px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{color:var(--c-muted);font-size:14px;margin:14px 0 0;max-width:340px}
.footer-col h4{margin:0 0 16px;font-size:15px;color:#fff;font-weight:700}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--c-muted)}
.footer-col a:hover{color:var(--c-primary-2)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--c-border);
  color:var(--c-muted);font-size:13px;
}

/* responsive */
@media (max-width:1024px){
  .layout{grid-template-columns:1fr;gap:32px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar .side-card{flex:1;min-width:280px}
  .related-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .nav-list{
    display:none;position:absolute;top:70px;left:16px;right:16px;
    background:var(--c-surface);border:1px solid var(--c-border);
    border-radius:var(--radius);padding:14px;flex-direction:column;align-items:stretch;
    box-shadow:var(--shadow);
  }
  .nav-list.open{display:flex}
  .nav-list a{text-align:left}
  .hamburger{display:flex}
  .nav-cta{display:none}
  .content-card{padding:26px 22px}
  .article-hero{padding:40px 0 30px}
  .related-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .section-head h2{font-size:22px}
  .content-footer{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .article-title{font-size:26px}
  .article-body{font-size:15.5px}
  .content-card{padding:22px 18px}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sidebar .side-card{min-width:100%}
}

/* roulang page: category3 */
:root{
  --bg:#0d0a14;
  --bg-2:#15111f;
  --surface:#1c1728;
  --surface-2:#241d33;
  --border:rgba(255,255,255,0.08);
  --border-strong:rgba(255,255,255,0.14);
  --text:#f4eef7;
  --muted:#a397b5;
  --primary:#ff3d7f;
  --primary-2:#ff7ab6;
  --accent:#c4a2ff;
  --gold:#f5c66d;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 50px -20px rgba(255,61,127,0.35);
  --shadow-soft:0 10px 30px -12px rgba(0,0,0,0.5);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--primary-2)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
.container{max-width:1220px;margin:0 auto;padding:0 22px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,10,20,0.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:24px;padding:16px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.5px}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:18px;font-weight:800;box-shadow:0 6px 20px -6px rgba(255,61,127,0.6)}
.logo-text{background:linear-gradient(120deg,#fff 0%,#ffd9e8 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-list{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-list a{display:inline-block;padding:8px 14px;border-radius:10px;font-size:15px;color:#d9cee6;font-weight:500}
.nav-list a:hover{background:rgba(255,255,255,0.06);color:#fff}
.nav-list a.active{background:linear-gradient(135deg,rgba(255,61,127,0.18),rgba(196,162,255,0.18));color:#fff;border:1px solid rgba(255,61,127,0.35)}
.nav-cta{padding:10px 20px;background:linear-gradient(135deg,var(--primary),var(--primary-2));border-radius:999px;font-weight:600;font-size:14px;color:#fff !important;box-shadow:var(--shadow)}
.nav-cta:hover{transform:translateY(-1px);color:#fff !important}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,0.06)}
.hamburger span,.hamburger span::before,.hamburger span::after{content:"";display:block;width:18px;height:2px;background:#fff;margin:0 auto;position:relative}
.hamburger span::before{position:absolute;top:-6px}
.hamburger span::after{position:absolute;top:6px}

/* Hero */
.cat-hero{position:relative;padding:80px 0 70px;overflow:hidden;background:linear-gradient(180deg,rgba(255,61,127,0.15) 0%,var(--bg) 100%)}
.cat-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.18;z-index:0}
.cat-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 50% 0%,rgba(255,61,127,.3) 0%,transparent 70%);z-index:0}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumb a:hover{color:var(--primary-2)}
.crumb span{color:var(--border-strong)}
.hero-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:50px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:rgba(255,61,127,0.14);border:1px solid rgba(255,61,127,0.3);font-size:13px;color:#ffb6d0;margin-bottom:22px}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary)}
h1.hero-title{font-size:52px;line-height:1.15;font-weight:800;letter-spacing:-0.5px;margin-bottom:22px}
.hero-title em{font-style:normal;background:linear-gradient(120deg,var(--primary) 0%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:17px;color:#d3c8de;max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:12px;font-weight:600;font-size:15px;transition:all .25s ease}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);color:#fff}
.btn-ghost{background:rgba(255,255,255,0.06);border:1px solid var(--border-strong);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,0.11);color:#fff}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:26px;font-weight:800;color:#fff;background:linear-gradient(120deg,var(--gold),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .stat span{font-size:13px;color:var(--muted)}

.hero-cover{position:relative;border-radius:20px;overflow:hidden;box-shadow:0 30px 70px -20px rgba(255,61,127,.4);border:1px solid var(--border-strong)}
.hero-cover img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .6s ease}
.hero-cover:hover img{transform:scale(1.04)}
.hero-cover .cover-badge{position:absolute;top:14px;left:14px;padding:6px 12px;background:rgba(0,0,0,.55);backdrop-filter:blur(6px);border-radius:999px;font-size:12px;color:#ffd9e8}
.hero-cover .cover-info{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.85) 100%)}
.hero-cover .cover-info h3{font-size:20px;margin-bottom:6px}
.hero-cover .cover-info p{font-size:13px;color:#c0b3d2}

/* Section base */
section{padding:72px 0;position:relative}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--primary-2);text-transform:uppercase;margin-bottom:14px}
.sec-title{font-size:36px;font-weight:800;letter-spacing:-0.3px;margin-bottom:14px}
.sec-title span{background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-sub{font-size:16px;color:var(--muted)}

/* Star grid */
.star-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.star-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s ease}
.star-card:hover{transform:translateY(-6px);border-color:rgba(255,61,127,.4);box-shadow:var(--shadow)}
.star-card .thumb{position:relative;aspect-ratio:3/4;overflow:hidden}
.star-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.star-card:hover .thumb img{transform:scale(1.08)}
.star-card .rank{position:absolute;top:12px;left:12px;width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--gold),#e29a34);color:#241d33;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.star-card .hot{position:absolute;top:12px;right:12px;padding:4px 10px;background:rgba(255,61,127,.85);border-radius:999px;font-size:11px;font-weight:600;color:#fff}
.star-card .info{padding:18px}
.star-card h3{font-size:18px;margin-bottom:6px}
.star-card .meta{font-size:12px;color:var(--muted);display:flex;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.star-card .meta span{display:inline-flex;align-items:center;gap:4px}
.star-card .tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.star-card .tag{font-size:11px;padding:3px 8px;border-radius:6px;background:rgba(196,162,255,.14);color:#d5c2ff;border:1px solid rgba(196,162,255,.22)}
.star-card .count{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#b8a9c9;padding-top:12px;border-top:1px dashed var(--border)}
.star-card .count b{color:var(--primary-2);font-weight:700}

/* Filter bar */
.filter-bar{background:linear-gradient(120deg,var(--surface) 0%,var(--surface-2) 100%);border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;margin-bottom:36px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
.filter-tabs button{padding:8px 16px;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:999px;font-size:14px;color:#d3c8de;transition:all .2s ease}
.filter-tabs button:hover{border-color:rgba(255,61,127,.4);color:#fff}
.filter-tabs button.on{background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent;color:#fff}
.filter-search{position:relative}
.filter-search input{width:260px;padding:10px 16px 10px 40px;background:rgba(0,0,0,.3);border:1px solid var(--border);border-radius:999px;color:#fff;font-size:14px;outline:none;transition:all .2s ease}
.filter-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,61,127,.15)}
.filter-search::before{content:"🔍";position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.6}

/* Style types */
.type-band{background:linear-gradient(180deg,var(--bg-2) 0%,var(--bg) 100%);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.type-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px 26px;transition:all .3s ease;position:relative;overflow:hidden}
.type-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
.type-card:hover::before{transform:scaleX(1)}
.type-card:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.type-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(255,61,127,.2),rgba(196,162,255,.2));display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.type-card h3{font-size:20px;margin-bottom:10px}
.type-card p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.type-card ul{display:flex;flex-wrap:wrap;gap:8px}
.type-card ul li{font-size:12px;padding:4px 10px;background:rgba(0,0,0,.25);border:1px solid var(--border);border-radius:6px;color:#c0b3d2}

/* Rank list */
.rank-band{background:var(--bg-2)}
.rank-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:36px}
.rank-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:8px}
.rank-item{display:grid;grid-template-columns:60px 90px 1fr auto;gap:16px;align-items:center;padding:14px 16px;border-radius:12px;transition:background .2s ease}
.rank-item:hover{background:rgba(255,255,255,.03)}
.rank-item + .rank-item{border-top:1px solid var(--border)}
.rank-num{font-size:26px;font-weight:800;text-align:center;color:var(--border-strong)}
.rank-num.top1{background:linear-gradient(135deg,var(--gold),#f39443);-webkit-background-clip:text;background-clip:text;color:transparent}
.rank-num.top2{background:linear-gradient(135deg,#d8d8e0,#8f8fa1);-webkit-background-clip:text;background-clip:text;color:transparent}
.rank-num.top3{background:linear-gradient(135deg,#cd8b58,#7d5231);-webkit-background-clip:text;background-clip:text;color:transparent}
.rank-item .avatar{width:80px;height:100px;border-radius:10px;overflow:hidden}
.rank-item .avatar img{width:100%;height:100%;object-fit:cover}
.rank-info h4{font-size:16px;margin-bottom:4px}
.rank-info p{font-size:12.5px;color:var(--muted);margin-bottom:6px}
.rank-info .pills{display:flex;gap:6px;flex-wrap:wrap}
.rank-info .pills span{font-size:11px;padding:2px 8px;background:rgba(255,61,127,.14);border-radius:5px;color:#ffb6d0}
.rank-heat{text-align:right;font-size:13px;color:var(--muted)}
.rank-heat b{display:block;font-size:18px;color:var(--primary-2);font-weight:700}

.rank-side{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;position:relative;overflow:hidden}
.side-card h3{font-size:18px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:2px}
.side-list li{display:flex;justify-content:space-between;padding:9px 0;font-size:14px;border-bottom:1px dashed var(--border)}
.side-list li:last-child{border-bottom:none}
.side-list li span:last-child{color:var(--primary-2);font-size:12.5px}
.side-list li a{color:#d9cee6}
.side-cover{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/9;margin-top:14px}
.side-cover img{width:100%;height:100%;object-fit:cover}
.side-cover .cap{position:absolute;bottom:0;left:0;right:0;padding:14px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.85));font-size:13px;color:#fff}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.process-item{position:relative;padding:28px 22px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:all .3s ease}
.process-item:hover{border-color:rgba(255,61,127,.35);transform:translateY(-3px)}
.process-num{font-size:44px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;margin-bottom:12px}
.process-item h4{font-size:17px;margin-bottom:8px}
.process-item p{font-size:14px;color:var(--muted)}

/* FAQ */
.faq-band{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.faq-wrap{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:all .25s ease}
.faq-item[open]{border-color:rgba(255,61,127,.4);box-shadow:var(--shadow-soft)}
.faq-item summary{padding:20px 26px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:var(--primary-2);font-weight:400;transition:transform .3s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item .a{padding:0 26px 22px;color:#c8bcd9;font-size:15px}

/* CTA */
.cta-band{padding:80px 0}
.cta-box{position:relative;padding:60px 50px;background:linear-gradient(135deg,rgba(255,61,127,.18) 0%,rgba(196,162,255,.14) 100%);border:1px solid rgba(255,61,127,.3);border-radius:24px;overflow:hidden;text-align:center}
.cta-box::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover;opacity:.12;z-index:0}
.cta-box > *{position:relative;z-index:1}
.cta-box h2{font-size:36px;font-weight:800;margin-bottom:16px}
.cta-box p{font-size:16px;color:#d9cee6;max-width:600px;margin:0 auto 28px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* Footer */
.site-footer{background:#08060d;border-top:1px solid var(--border);padding:60px 0 30px;color:#a397b5}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px}
.footer-brand p{font-size:14px;margin-top:14px;line-height:1.75}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px;font-size:14px}
.footer-col ul li a{color:#a397b5}
.footer-col ul li a:hover{color:var(--primary-2)}
.footer-bottom{padding-top:22px;border-top:1px solid var(--border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}

/* Responsive */
@media (max-width:1024px){
  .star-grid{grid-template-columns:repeat(3,1fr)}
  .type-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .rank-layout{grid-template-columns:1fr}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  h1.hero-title{font-size:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .nav-list{position:absolute;top:70px;left:0;right:0;flex-direction:column;background:var(--bg-2);padding:16px;gap:4px;display:none;border-bottom:1px solid var(--border)}
  .nav-list.open{display:flex}
  .nav-list a{display:block;padding:12px 16px}
  .hamburger{display:flex;align-items:center;justify-content:center}
  .nav-cta{display:none}
  .cat-hero{padding:56px 0 50px}
  h1.hero-title{font-size:32px}
  .sec-title{font-size:28px}
  .star-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .filter-search input{width:100%}
  .filter-search{width:100%}
  .cta-box{padding:44px 24px}
  .cta-box h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  section{padding:56px 0}
}
@media (max-width:520px){
  .star-grid{grid-template-columns:1fr}
  .type-grid,.process-grid{grid-template-columns:1fr}
  .rank-item{grid-template-columns:40px 70px 1fr;gap:12px}
  .rank-heat{grid-column:2/-1;text-align:left;display:flex;gap:14px;align-items:center;padding-left:82px}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:20px}
}

/* roulang page: category5 */
:root{
  --c-bg:#0d0b14;
  --c-bg-2:#151222;
  --c-surface:#1c1830;
  --c-surface-2:#26213d;
  --c-border:#2f2a48;
  --c-text:#ecebf5;
  --c-muted:#a29fbb;
  --c-primary:#ff3b6b;
  --c-primary-2:#ff7a3d;
  --c-accent:#8b5cff;
  --c-gold:#ffc857;
  --c-success:#2ecc71;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.35);
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-primary:0 14px 30px rgba(255,59,107,.35);
  --gap:24px;
  --gap-lg:40px;
  --container:1200px;
  --trans:.25s ease;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color var(--trans)}
a:hover{color:var(--c-primary)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,11,20,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
.nav{display:flex;align-items:center;gap:28px;padding:16px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  display:grid;place-items:center;font-size:18px;color:#fff;
  box-shadow:var(--shadow-primary);
}
.logo-text{background:linear-gradient(90deg,#fff,#ffd0dd);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-list{display:flex;gap:6px;flex:1;justify-content:center;flex-wrap:wrap}
.nav-list a{
  padding:8px 14px;border-radius:99px;font-size:14.5px;color:var(--c-muted);
  transition:all var(--trans);
}
.nav-list a:hover{color:#fff;background:var(--c-surface)}
.nav-list a.active{color:#fff;background:linear-gradient(90deg,var(--c-primary),var(--c-primary-2));box-shadow:var(--shadow-primary)}
.nav-cta{
  padding:10px 20px;border-radius:99px;font-size:14.5px;font-weight:600;
  background:var(--c-surface);border:1px solid var(--c-border);color:#fff;
}
.nav-cta:hover{background:var(--c-surface-2);color:#fff;transform:translateY(-1px)}
.hamburger{display:none;background:transparent;color:#fff;width:40px;height:40px}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:"";display:block;width:22px;height:2px;background:#fff;position:relative;
}
.hamburger span::before{position:absolute;top:-7px}
.hamburger span::after{position:absolute;top:7px}

/* HERO */
.hero{
  position:relative;padding:80px 0 70px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(13,11,20,.55),rgba(13,11,20,.92)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 20% 20%,rgba(255,59,107,.25),transparent 70%),
             radial-gradient(500px 300px at 80% 80%,rgba(139,92,255,.22),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:99px;
  background:rgba(255,59,107,.14);border:1px solid rgba(255,59,107,.35);
  color:#ffb0c2;font-size:13.5px;margin-bottom:20px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-primary)}
.hero h1{font-size:clamp(30px,4.2vw,52px);letter-spacing:.5px;margin-bottom:20px}
.hero h1 span{background:linear-gradient(90deg,var(--c-primary),var(--c-gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:var(--c-muted);font-size:16.5px;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:99px;font-weight:600;font-size:15px;
  transition:all var(--trans);cursor:pointer;
}
.btn-primary{background:linear-gradient(90deg,var(--c-primary),var(--c-primary-2));color:#fff;box-shadow:var(--shadow-primary)}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 18px 36px rgba(255,59,107,.45)}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid var(--c-border);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-meta{display:flex;gap:32px;flex-wrap:wrap}
.hero-meta .m{display:flex;flex-direction:column}
.hero-meta strong{font-size:26px;color:#fff}
.hero-meta span{font-size:13px;color:var(--c-muted)}

.hero-clock{
  position:relative;
  background:linear-gradient(160deg,rgba(255,59,107,.18),rgba(139,92,255,.14));
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow);
}
.hero-clock h3{font-size:16px;color:#fff;margin-bottom:6px}
.hero-clock .sub{color:var(--c-muted);font-size:13.5px;margin-bottom:22px}
.time-row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-top:1px dashed var(--c-border)}
.time-row:first-of-type{border-top:none}
.time-row .t{font-size:20px;font-weight:700;color:var(--c-gold);font-variant-numeric:tabular-nums}
.time-row .lbl{font-size:14px;color:#fff}
.time-row .cnt{font-size:12.5px;color:var(--c-muted);background:var(--c-surface);padding:4px 10px;border-radius:99px}

/* SECTION */
section{padding:80px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 50px}
.sec-eyebrow{
  display:inline-block;padding:6px 14px;border-radius:99px;
  background:rgba(139,92,255,.14);border:1px solid rgba(139,92,255,.35);
  color:#c9b8ff;font-size:12.5px;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(26px,3vw,38px);margin-bottom:14px}
.sec-head p{color:var(--c-muted);font-size:15.5px}

/* SCHEDULE */
.schedule{background:var(--c-bg-2)}
.schedule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.slot{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius-lg);padding:32px 28px;position:relative;overflow:hidden;
  transition:transform var(--trans),border-color var(--trans);
}
.slot::before{
  content:"";position:absolute;inset:0;background:linear-gradient(160deg,var(--slot-c,var(--c-primary)),transparent 60%);
  opacity:.14;pointer-events:none;
}
.slot:hover{transform:translateY(-4px);border-color:var(--slot-c,var(--c-primary))}
.slot-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.slot-time{font-size:36px;font-weight:800;color:var(--slot-c,#fff);font-variant-numeric:tabular-nums;letter-spacing:-1px}
.slot-badge{
  padding:5px 12px;border-radius:99px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.08);color:#fff;
}
.slot h3{font-size:20px;margin-bottom:10px}
.slot .desc{color:var(--c-muted);font-size:14.5px;margin-bottom:22px}
.slot ul li{
  display:flex;align-items:center;gap:10px;padding:8px 0;font-size:14px;color:#d7d5e6;
  border-bottom:1px dashed var(--c-border);
}
.slot ul li:last-child{border-bottom:none}
.slot ul li::before{content:"▶";color:var(--slot-c,var(--c-primary));font-size:10px}

/* TODAY LIST */
.today .today-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--c-primary)}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-cover img{transform:scale(1.05)}
.card-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.75));
}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;
  background:rgba(255,59,107,.9);color:#fff;display:grid;place-items:center;
  font-size:20px;box-shadow:var(--shadow-primary);z-index:2;
}
.card:hover .play-btn{background:var(--c-primary);transform:translate(-50%,-50%) scale(1.08)}
.card-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 10px;border-radius:6px;font-size:11.5px;font-weight:600;
  background:linear-gradient(90deg,var(--c-primary),var(--c-primary-2));color:#fff;
}
.card-time{
  position:absolute;top:12px;right:12px;z-index:2;
  padding:4px 10px;border-radius:6px;font-size:11.5px;
  background:rgba(0,0,0,.6);color:#fff;
}
.card-body{padding:20px 22px 24px}
.card-body h3{font-size:17px;margin-bottom:10px;line-height:1.4}
.card-meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.card-meta span{
  font-size:11.5px;padding:3px 8px;border-radius:4px;
  background:var(--c-surface-2);color:#c6c3d6;
}
.card-body p{color:var(--c-muted);font-size:13.5px;line-height:1.6;margin-bottom:14px}
.card-foot{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--c-muted)}
.card-foot .quality{color:var(--c-gold);font-weight:600}

/* WORKFLOW */
.workflow{background:var(--c-bg-2)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow-grid::before{
  content:"";position:absolute;top:38px;left:8%;right:8%;height:2px;
  background:repeating-linear-gradient(90deg,var(--c-border) 0 8px,transparent 8px 16px);
  z-index:1;
}
.step{position:relative;z-index:2;text-align:center;padding:0 8px}
.step-num{
  width:76px;height:76px;border-radius:50%;margin:0 auto 20px;
  display:grid;place-items:center;font-size:26px;font-weight:800;color:#fff;
  background:linear-gradient(160deg,var(--c-surface),var(--c-surface-2));
  border:2px solid var(--c-primary);
  box-shadow:0 0 0 8px rgba(255,59,107,.08);
}
.step h4{font-size:17px;margin-bottom:10px}
.step p{color:var(--c-muted);font-size:14px}

/* WEEK TIMELINE */
.week-list{display:grid;grid-template-columns:repeat(7,1fr);gap:12px;margin-top:20px}
.day-card{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius);padding:20px 16px;text-align:center;
  transition:all var(--trans);
}
.day-card:hover{border-color:var(--c-primary);transform:translateY(-3px)}
.day-card.today-mark{
  background:linear-gradient(160deg,rgba(255,59,107,.18),rgba(139,92,255,.15));
  border-color:var(--c-primary);
}
.day-card .wk{font-size:12.5px;color:var(--c-muted);margin-bottom:6px}
.day-card .num{font-size:28px;font-weight:800;color:#fff;margin-bottom:12px}
.day-card .theme{font-size:12.5px;color:#d7d5e6;padding:4px 8px;background:var(--c-surface-2);border-radius:6px;display:inline-block;margin-bottom:8px}
.day-card .cnt{font-size:12px;color:var(--c-gold)}

/* SIGNALS */
.signals-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.sig{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius-lg);padding:30px 24px;text-align:center;
  transition:all var(--trans);
}
.sig:hover{border-color:var(--c-accent);transform:translateY(-3px)}
.sig .ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:14px;
  display:grid;place-items:center;font-size:24px;
  background:linear-gradient(135deg,rgba(139,92,255,.25),rgba(255,59,107,.2));
  color:var(--c-gold);
}
.sig h4{font-size:16px;margin-bottom:10px}
.sig p{color:var(--c-muted);font-size:13.5px}

/* FAQ */
.faq{background:var(--c-bg-2)}
.faq-list{max-width:840px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius);margin-bottom:14px;overflow:hidden;
  transition:border-color var(--trans);
}
.faq-item:hover{border-color:var(--c-primary)}
.faq-q{
  padding:20px 26px;font-weight:600;font-size:15.5px;color:#fff;
  display:flex;justify-content:space-between;align-items:center;cursor:pointer;
}
.faq-q::after{content:"+";color:var(--c-primary);font-size:22px;font-weight:400;transition:transform var(--trans)}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 26px;max-height:0;overflow:hidden;color:var(--c-muted);font-size:14.5px;transition:all .35s ease}
.faq-item.open .faq-a{padding:0 26px 22px;max-height:400px}

/* CTA */
.cta{
  position:relative;padding:100px 0;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(13,11,20,.75),rgba(13,11,20,.9)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  text-align:center;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 50% 50%,rgba(255,59,107,.28),transparent 70%);
}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta h2{font-size:clamp(28px,3.4vw,42px);margin-bottom:18px}
.cta p{color:#e6e4f2;font-size:16px;margin-bottom:30px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* FOOTER */
.site-footer{background:#08070f;border-top:1px solid var(--c-border);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--c-muted);font-size:14px;margin-top:16px;line-height:1.7}
.footer-col h4{font-size:15px;margin-bottom:18px;color:#fff}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:var(--c-muted);font-size:14px}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:24px;border-top:1px solid var(--c-border);
  color:var(--c-muted);font-size:13px;
}

/* Responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .schedule-grid,.today .today-grid,.signals-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .flow-grid::before{display:none}
  .week-list{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  section{padding:60px 0}
  .hero{padding:60px 0 50px}
  .nav-cta{display:none}
  .hamburger{display:grid;place-items:center}
  .nav-list{
    display:none;position:absolute;top:70px;left:20px;right:20px;
    flex-direction:column;background:var(--c-surface);border:1px solid var(--c-border);
    border-radius:var(--radius);padding:14px;
  }
  .nav-list.open{display:flex}
  .nav-list a{padding:10px 14px;border-radius:8px}
  .hero-meta{gap:20px}
  .hero-meta strong{font-size:22px}
}
@media (max-width:520px){
  .schedule-grid,.today .today-grid,.signals-grid,.flow-grid{grid-template-columns:1fr}
  .week-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .sec-head h2{font-size:24px}
  .slot-time{font-size:28px}
}

/* roulang page: category4 */
:root{
  --c-bg:#0e0b14;
  --c-bg-2:#161020;
  --c-surface:#1c1628;
  --c-surface-2:#241b34;
  --c-line:rgba(255,255,255,.08);
  --c-line-2:rgba(255,255,255,.14);
  --c-text:#f4f1fb;
  --c-muted:#a29bb8;
  --c-primary:#ff2f6e;
  --c-primary-2:#ff6a4d;
  --c-accent:#7c5cff;
  --c-gold:#f4c15b;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-xl:32px;
  --sh-1:0 6px 24px rgba(0,0,0,.35);
  --sh-2:0 18px 60px rgba(255,47,110,.18);
  --grad:linear-gradient(135deg,#ff2f6e 0%,#ff6a4d 55%,#f4c15b 100%);
  --grad-2:linear-gradient(135deg,#7c5cff 0%,#ff2f6e 100%);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Helvetica Neue","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  line-height:1.65;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--c-primary)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 22px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(14,11,20,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
}
.nav{display:flex;align-items:center;gap:28px;padding:16px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--grad);
  display:grid;place-items:center;color:#fff;
  font-size:18px;box-shadow:var(--sh-2)
}
.logo-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-list{display:flex;gap:6px;margin-left:20px;flex:1}
.nav-list a{
  padding:9px 14px;border-radius:999px;font-size:14px;color:var(--c-muted);
  transition:all .2s
}
.nav-list a:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.nav-list a.active{color:#fff;background:var(--grad);box-shadow:0 6px 16px rgba(255,47,110,.35)}
.nav-cta{
  padding:10px 20px;border-radius:999px;background:#fff;color:#12091b !important;
  font-weight:700;font-size:14px;transition:transform .2s
}
.nav-cta:hover{transform:translateY(-1px)}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.06)}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:"";display:block;width:18px;height:2px;background:#fff;margin:0 auto;position:relative;border-radius:2px
}
.hamburger span::before{position:absolute;top:-6px}
.hamburger span::after{position:absolute;top:6px}

/* Category Hero */
.cat-hero{
  position:relative;
  padding:70px 0 60px;
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(14,11,20,.4) 0%,rgba(14,11,20,.85) 60%,var(--c-bg) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1000px 480px at 15% 25%,rgba(255,47,110,.25),transparent 60%),
             radial-gradient(800px 400px at 85% 60%,rgba(124,92,255,.22),transparent 60%);
  pointer-events:none;
}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center}
.breadcrumb{display:flex;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--c-primary-2)}
.breadcrumb span{color:var(--c-line-2)}
.cat-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,47,110,.14);border:1px solid rgba(255,47,110,.35);
  color:#ff9db6;font-size:13px;font-weight:600;margin-bottom:18px
}
.cat-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 8px var(--c-primary)}
.cat-hero h1{font-size:52px;margin-bottom:20px}
.cat-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero .lead{color:#d5cee6;font-size:17px;margin-bottom:28px;max-width:560px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-bottom:32px}
.hero-meta-item{display:flex;flex-direction:column;gap:4px}
.hero-meta-item strong{font-size:26px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-meta-item span{font-size:12px;color:var(--c-muted);letter-spacing:.05em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:12px;font-weight:700;font-size:15px;
  transition:transform .2s,box-shadow .2s
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{transform:translateY(-2px);color:#fff}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid var(--c-line-2)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-line-2);box-shadow:var(--sh-1);
  aspect-ratio:4/5;
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.hero-visual .frame:hover img{transform:scale(1.05)}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(14,11,20,.85) 100%);
}
.frame-label{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
  display:flex;justify-content:space-between;align-items:flex-end;gap:12px
}
.frame-label h4{font-size:18px;margin-bottom:4px}
.frame-label span{font-size:12px;color:var(--c-muted)}
.frame-badge{
  padding:5px 10px;border-radius:6px;background:var(--c-primary);color:#fff;font-size:11px;font-weight:700;letter-spacing:.05em}
.hero-float{
  position:absolute;top:-18px;right:-18px;
  padding:14px 18px;border-radius:14px;
  background:rgba(28,22,40,.85);backdrop-filter:blur(10px);
  border:1px solid var(--c-line-2);box-shadow:var(--sh-1);
  display:flex;align-items:center;gap:12px;
}
.hero-float .dot{width:10px;height:10px;border-radius:50%;background:#4ade80;box-shadow:0 0 12px #4ade80;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero-float span{font-size:13px;color:#d5cee6}
.hero-float strong{color:#fff}

/* Section base */
section{padding:80px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 50px}
.sec-eyebrow{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:rgba(124,92,255,.14);border:1px solid rgba(124,92,255,.32);
  color:#c8b8ff;font-size:12px;letter-spacing:.15em;text-transform:uppercase;
  margin-bottom:16px;font-weight:600
}
.sec-head h2{font-size:38px;margin-bottom:14px}
.sec-head p{color:var(--c-muted);font-size:16px}

/* Feature grid */
.features{background:var(--c-bg-2)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{
  padding:32px 26px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:transform .3s,border-color .3s,box-shadow .3s;
  position:relative;overflow:hidden
}
.feature-card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:0;
  background:var(--grad);transition:height .4s
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(255,47,110,.35);box-shadow:var(--sh-1)}
.feature-card:hover::before{height:100%}
.feature-icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,rgba(255,47,110,.18),rgba(124,92,255,.18));
  display:grid;place-items:center;font-size:24px;margin-bottom:20px;
  border:1px solid var(--c-line-2)
}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{color:var(--c-muted);font-size:14.5px}

/* Scenes */
.scenes{background:var(--c-bg)}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scene-card{
  border-radius:var(--r-md);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:transform .3s,box-shadow .3s
}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--sh-1)}
.scene-thumb{position:relative;aspect-ratio:3/4;overflow:hidden}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scene-card:hover .scene-thumb img{transform:scale(1.08)}
.scene-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(14,11,20,.9) 100%)
}
.scene-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 10px;border-radius:6px;
  background:rgba(0,0,0,.55);backdrop-filter:blur(6px);
  font-size:11px;font-weight:700;color:#fff;letter-spacing:.05em
}
.scene-badge.hot{background:var(--grad)}
.scene-badge.new{background:var(--c-accent)}
.scene-badge.gold{background:var(--c-gold);color:#3a2600}
.scene-info{padding:18px}
.scene-info h4{font-size:16px;margin-bottom:8px;line-height:1.4}
.scene-meta{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--c-muted)}
.scene-meta .quality{color:var(--c-gold);font-weight:700}

/* Workflow */
.workflow{background:var(--c-bg-2);position:relative;overflow:hidden}
.workflow::before{
  content:"";position:absolute;top:-100px;right:-100px;width:400px;height:400px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,47,110,.12),transparent 65%);
  pointer-events:none
}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step-card{
  padding:32px 24px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  position:relative;transition:border-color .3s
}
.step-card:hover{border-color:rgba(124,92,255,.4)}
.step-num{
  font-family:"Helvetica Neue",sans-serif;
  font-size:44px;font-weight:900;line-height:1;
  background:var(--grad-2);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px
}
.step-card h3{font-size:17px;margin-bottom:10px}
.step-card p{color:var(--c-muted);font-size:14px}

/* Playlist */
.playlist{background:var(--c-bg)}
.playlist-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:36px;flex-wrap:wrap;gap:20px}
.playlist-head h2{font-size:34px;max-width:600px}
.playlist-filter{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-muted);
  cursor:pointer;transition:all .2s
}
.chip:hover{color:#fff;border-color:var(--c-line-2)}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 4px 14px rgba(255,47,110,.35)}
.playlist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.play-item{
  display:grid;grid-template-columns:140px 1fr;gap:16px;
  padding:14px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:all .3s
}
.play-item:hover{border-color:rgba(255,47,110,.35);background:var(--c-surface-2)}
.play-thumb{position:relative;border-radius:10px;overflow:hidden;aspect-ratio:3/4}
.play-thumb img{width:100%;height:100%;object-fit:cover}
.play-thumb::after{
  content:"▶";position:absolute;inset:0;display:grid;place-items:center;
  color:#fff;font-size:22px;background:rgba(0,0,0,.35);opacity:0;transition:opacity .3s
}
.play-item:hover .play-thumb::after{opacity:1}
.play-info{display:flex;flex-direction:column;justify-content:space-between;padding:6px 0}
.play-info h4{font-size:15px;margin-bottom:6px;line-height:1.4}
.play-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.play-tags span{
  padding:3px 8px;border-radius:4px;font-size:11px;
  background:rgba(124,92,255,.15);color:#c8b8ff
}
.play-info .stat{font-size:12px;color:var(--c-muted);display:flex;gap:14px}
.play-info .stat b{color:var(--c-gold)}

/* Highlight banner */
.highlight{
  padding:70px 0;
  background:
    linear-gradient(120deg,rgba(14,11,20,.9) 0%,rgba(14,11,20,.7) 40%,rgba(14,11,20,.3) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  position:relative
}
.highlight-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center}
.highlight h2{font-size:36px;margin-bottom:18px}
.highlight p{color:#d5cee6;font-size:16px;margin-bottom:26px;max-width:520px}
.highlight-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.highlight-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px 16px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid var(--c-line);
  font-size:14px
}
.highlight-list li::before{
  content:"✓";flex-shrink:0;
  width:20px;height:20px;border-radius:50%;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:12px;font-weight:700
}
.highlight-card{
  padding:28px;border-radius:var(--r-lg);
  background:rgba(28,22,40,.75);backdrop-filter:blur(14px);
  border:1px solid var(--c-line-2);box-shadow:var(--sh-1)
}
.highlight-card h3{font-size:20px;margin-bottom:18px}
.spec-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--c-line)}
.spec-row:last-child{border-bottom:0}
.spec-row span:first-child{color:var(--c-muted);font-size:14px}
.spec-row span:last-child{font-weight:700;font-size:14px}
.spec-row .hot{color:var(--c-primary-2)}

/* Stars strip */
.stars{background:var(--c-bg-2)}
.stars-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.star-card{
  text-align:center;padding:24px 14px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:transform .3s,border-color .3s
}
.star-card:hover{transform:translateY(-4px);border-color:rgba(255,47,110,.35)}
.star-avatar{
  width:78px;height:78px;border-radius:50%;overflow:hidden;
  margin:0 auto 14px;border:2px solid var(--c-line-2)
}
.star-avatar img{width:100%;height:100%;object-fit:cover}
.star-card h4{font-size:15px;margin-bottom:4px}
.star-card p{font-size:12px;color:var(--c-muted)}
.star-count{margin-top:10px;font-size:12px;color:var(--c-gold);font-weight:700}

/* FAQ */
.faq{background:var(--c-bg)}
.faq-grid{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);
  overflow:hidden;transition:border-color .3s
}
.faq-item:hover{border-color:var(--c-line-2)}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;
  padding:22px 26px;font-weight:700;font-size:16px;
  cursor:pointer;user-select:none
}
.faq-q::after{
  content:"+";font-size:24px;color:var(--c-primary);
  transition:transform .3s;flex-shrink:0;margin-left:16px
}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s;
  padding:0 26px;color:var(--c-muted);font-size:14.5px
}
.faq-item.open .faq-a{max-height:400px;padding:0 26px 22px}

/* CTA */
.cta{
  padding:80px 0;text-align:center;
  background:linear-gradient(135deg,#1c1628 0%,#241b34 100%);
  position:relative;overflow:hidden
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 50% 100%,rgba(255,47,110,.25),transparent 70%);
  pointer-events:none
}
.cta-inner{position:relative;max-width:720px;margin:0 auto}
.cta h2{font-size:40px;margin-bottom:16px}
.cta p{color:#d5cee6;font-size:16px;margin-bottom:32px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* Footer */
.site-footer{background:#08050d;border-top:1px solid var(--c-line);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--c-muted);font-size:14px;margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:#fff}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--c-muted);font-size:14px}
.footer-col a:hover{color:var(--c-primary-2)}
.footer-bottom{
  padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--c-muted)
}

/* Responsive */
@media (max-width:1024px){
  .cat-hero h1{font-size:42px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(3,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .playlist-grid{grid-template-columns:repeat(2,1fr)}
  .stars-grid{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .cat-hero{padding:50px 0 40px}
  .cat-hero-inner{grid-template-columns:1fr;gap:36px}
  .cat-hero h1{font-size:34px}
  .hero-visual{max-width:360px;margin:0 auto}
  section{padding:60px 0}
  .sec-head h2{font-size:28px}
  .highlight-inner{grid-template-columns:1fr;gap:32px}
  .highlight h2{font-size:28px}
  .highlight-list{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .stars-grid{grid-template-columns:repeat(3,1fr)}
  .cta h2{font-size:30px}
}
@media (max-width:520px){
  .nav{gap:14px}
  .nav-list{
    position:absolute;left:16px;right:16px;top:70px;
    flex-direction:column;gap:0;padding:12px;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
    display:none
  }
  .nav-list.open{display:flex}
  .nav-list a{padding:12px 14px;border-radius:8px}
  .nav-cta{display:none}
  .hamburger{display:grid;place-items:center}
  .feature-grid,.step-grid,.playlist-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stars-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .play-item{grid-template-columns:110px 1fr}
  .cat-hero h1{font-size:28px}
  .hero-meta{gap:16px}
  .hero-meta-item strong{font-size:22px}
}

/* roulang page: category1 */
:root{
  --c-bg:#0d0a14;
  --c-bg-2:#141024;
  --c-surface:#1a1530;
  --c-surface-2:#221b3d;
  --c-border:rgba(255,255,255,0.08);
  --c-text:#f2eefb;
  --c-muted:#a49dbf;
  --c-primary:#ff2e63;
  --c-primary-2:#ff5f8f;
  --c-accent:#8a5cff;
  --c-gold:#ffc857;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-xl:32px;
  --sh-sm:0 2px 8px rgba(0,0,0,0.25);
  --sh-md:0 12px 30px rgba(0,0,0,0.35);
  --sh-lg:0 24px 60px rgba(138,92,255,0.25);
  --f-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--f-sans);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-2);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,10,20,0.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
.nav{display:flex;align-items:center;gap:32px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--c-text);}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#fff;font-size:18px;box-shadow:var(--sh-sm);
}
.logo-text{white-space:nowrap;}
.nav-list{display:flex;align-items:center;gap:6px;flex:1;margin-left:20px;}
.nav-list a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  color:var(--c-muted);font-size:14.5px;font-weight:500;
  transition:all .2s ease;
}
.nav-list a:hover{color:var(--c-text);background:rgba(255,255,255,0.05);}
.nav-list a.active{color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));box-shadow:var(--sh-sm);}
.nav-cta{
  padding:10px 20px;border-radius:999px;font-weight:600;font-size:14px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff !important;box-shadow:0 8px 20px rgba(255,46,99,0.35);
}
.nav-cta:hover{transform:translateY(-1px);color:#fff !important;}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,0.05);}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:"";display:block;width:18px;height:2px;background:#fff;position:relative;margin:0 auto;
}
.hamburger span::before{position:absolute;top:-6px;}
.hamburger span::after{position:absolute;top:6px;}

/* Page hero */
.page-hero{
  position:relative;
  padding:80px 0 90px;
  background:
    linear-gradient(180deg,rgba(13,10,20,0.55),rgba(13,10,20,0.92)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px circle at 20% 30%,rgba(255,46,99,0.25),transparent 60%),
             radial-gradient(500px circle at 80% 70%,rgba(138,92,255,0.28),transparent 60%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;max-width:820px;}
.breadcrumb{
  display:flex;gap:8px;align-items:center;color:var(--c-muted);font-size:13.5px;margin-bottom:18px;flex-wrap:wrap;
}
.breadcrumb a:hover{color:var(--c-primary-2);}
.breadcrumb .sep{opacity:.5;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,46,99,0.15);border:1px solid rgba(255,46,99,0.35);
  color:var(--c-primary-2);font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:22px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.page-hero h1{
  font-size:clamp(30px,4.5vw,52px);
  background:linear-gradient(90deg,#fff,#d5c9ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:20px;
}
.hero-lead{color:#dcd5f0;font-size:17px;max-width:680px;margin-bottom:30px;}
.hero-meta{
  display:flex;gap:28px;flex-wrap:wrap;padding-top:24px;
  border-top:1px solid rgba(255,255,255,0.1);
}
.hero-meta-item{display:flex;flex-direction:column;gap:2px;}
.hero-meta-item .num{
  font-size:26px;font-weight:800;
  background:linear-gradient(90deg,var(--c-primary-2),var(--c-gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-meta-item .label{color:var(--c-muted);font-size:13px;}

/* Sections */
section{padding:80px 0;}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center;}
.section-eyebrow{
  display:inline-block;color:var(--c-primary-2);font-size:13px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3.2vw,36px);}
.section-head p{color:var(--c-muted);}

/* Features grid */
.features{background:linear-gradient(180deg,var(--c-bg),var(--c-bg-2));}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feature-card{
  padding:32px 26px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,var(--c-surface),var(--c-surface-2));
  border:1px solid var(--c-border);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  position:relative;overflow:hidden;
}
.feature-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);border-color:rgba(255,46,99,0.35);}
.feature-card:hover::after{transform:scaleX(1);}
.feature-icon{
  width:52px;height:52px;border-radius:14px;
  display:grid;place-items:center;font-size:24px;font-weight:800;
  background:linear-gradient(135deg,rgba(255,46,99,0.18),rgba(138,92,255,0.18));
  color:var(--c-primary-2);margin-bottom:18px;
}
.feature-card h3{font-size:19px;margin-bottom:10px;}
.feature-card p{color:var(--c-muted);font-size:14.5px;margin:0;}

/* Quality bar */
.qbar{padding:40px 0;background:var(--c-bg-2);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.qbar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;}
.qbar-item{padding:14px;}
.qbar-item .k{
  font-size:32px;font-weight:800;
  background:linear-gradient(90deg,var(--c-gold),var(--c-primary-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.qbar-item .v{color:var(--c-muted);font-size:14px;margin-top:4px;}

/* Scenes / use cases */
.scenes{background:var(--c-bg);}
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.scene-card{
  display:grid;grid-template-columns:180px 1fr;gap:0;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-lg);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.scene-cover{position:relative;overflow:hidden;}
.scene-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.scene-card:hover .scene-cover img{transform:scale(1.06);}
.scene-body{padding:22px 24px;}
.scene-badge{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(138,92,255,0.15);color:#c7b3ff;margin-bottom:10px;
}
.scene-body h3{font-size:18px;margin-bottom:8px;}
.scene-body p{color:var(--c-muted);font-size:14px;margin:0;}

/* Flow */
.flow{background:linear-gradient(180deg,var(--c-bg-2),var(--c-bg));}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.flow-step{
  padding:28px 22px;border-radius:var(--r-lg);
  background:var(--c-surface);border:1px solid var(--c-border);
  position:relative;
}
.flow-step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-16px;left:22px;
  padding:6px 12px;border-radius:8px;font-size:13px;font-weight:800;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;
}
.flow-step h3{font-size:17px;margin-top:6px;margin-bottom:8px;}
.flow-step p{color:var(--c-muted);font-size:14px;margin:0;}

/* Library preview */
.library{background:var(--c-bg);}
.lib-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.lib-card{
  border-radius:var(--r-lg);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-border);
  transition:transform .3s ease,box-shadow .3s ease;
}
.lib-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);}
.lib-cover{position:relative;aspect-ratio:16/10;overflow:hidden;}
.lib-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.lib-card:hover .lib-cover img{transform:scale(1.08);}
.lib-tag{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:6px;font-size:12px;font-weight:700;
  background:rgba(255,46,99,0.9);color:#fff;
}
.lib-play{
  position:absolute;bottom:12px;right:12px;
  padding:5px 10px;border-radius:6px;font-size:12px;
  background:rgba(0,0,0,0.65);color:#fff;
}
.lib-body{padding:18px 20px 22px;}
.lib-body h3{font-size:16px;margin-bottom:8px;line-height:1.4;}
.lib-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--c-muted);font-size:13px;}
.lib-meta span{display:inline-flex;align-items:center;gap:4px;}
.lib-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-muted);}

/* FAQ */
.faq{background:linear-gradient(180deg,var(--c-bg),var(--c-bg-2));}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(255,46,99,0.4);}
.faq-item summary{
  padding:20px 24px;cursor:pointer;font-weight:600;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--c-primary-2);transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item .a{padding:0 24px 22px;color:var(--c-muted);font-size:14.5px;}

/* CTA */
.cta{
  padding:100px 0;
  background:
    linear-gradient(120deg,rgba(255,46,99,0.85),rgba(138,92,255,0.8)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  text-align:center;
}
.cta h2{font-size:clamp(26px,3.5vw,40px);color:#fff;max-width:760px;margin:0 auto 16px;}
.cta p{color:rgba(255,255,255,0.9);max-width:640px;margin:0 auto 32px;font-size:16px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;border-radius:999px;font-weight:600;font-size:15px;
  transition:all .2s ease;
}
.btn-primary{background:#fff;color:#1a1530;box-shadow:0 10px 24px rgba(0,0,0,0.2);}
.btn-primary:hover{transform:translateY(-2px);color:#1a1530;}
.btn-ghost{background:rgba(255,255,255,0.15);color:#fff;border:1px solid rgba(255,255,255,0.4);}
.btn-ghost:hover{background:rgba(255,255,255,0.25);color:#fff;}

/* Footer */
.site-footer{background:#08060f;border-top:1px solid var(--c-border);padding:70px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{color:var(--c-muted);font-size:14px;margin-top:16px;max-width:320px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.05em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:var(--c-muted);font-size:14px;}
.footer-col a:hover{color:var(--c-primary-2);}
.footer-bottom{
  margin-top:50px;padding-top:24px;border-top:1px solid var(--c-border);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--c-muted);font-size:13px;
}

/* Responsive */
@media(max-width:1024px){
  .feature-grid,.lib-grid{grid-template-columns:repeat(2,1fr);}
  .flow-steps{grid-template-columns:repeat(2,1fr);}
  .qbar-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:768px){
  .hamburger{display:grid;place-items:center;}
  .nav-list{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-bg-2);border-bottom:1px solid var(--c-border);
    padding:12px 24px;display:none;
  }
  .nav-list.open{display:flex;}
  .nav-list a{padding:12px 14px;border-radius:10px;}
  .nav-cta{display:none;}
  .page-hero{padding:60px 0 70px;}
  section{padding:60px 0;}
  .scene-grid{grid-template-columns:1fr;}
  .scene-card{grid-template-columns:1fr;}
  .scene-cover{aspect-ratio:16/9;}
  .hero-meta{gap:20px;}
}
@media(max-width:520px){
  .feature-grid,.lib-grid,.flow-steps,.qbar-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .container{padding:0 18px;}
  .cta{padding:70px 0;}
}