/* roulang page: index */
:root{
  --c-bg:#0b0d17;
  --c-bg-soft:#12162a;
  --c-surface:#171b30;
  --c-surface-2:#1e2440;
  --c-border:rgba(255,255,255,.08);
  --c-text:#eef1ff;
  --c-text-dim:#a8adc7;
  --c-primary:#ff3d7f;
  --c-primary-2:#ff7a3d;
  --c-accent:#6a5cff;
  --c-accent-2:#33e2c8;
  --c-warn:#ffcf3d;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-xl:32px;
  --sh-sm:0 4px 14px rgba(0,0,0,.25);
  --sh-md:0 12px 34px rgba(0,0,0,.35);
  --sh-glow:0 12px 40px rgba(255,61,127,.35);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:72px;--sp-7:96px;
  --ff:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--ff);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(11,13,23,.78);
  border-bottom:1px solid var(--c-border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.logo{
  display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;
  letter-spacing:.5px;
}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2) 60%,var(--c-warn));
  display:grid;place-items:center;color:#fff;font-weight:900;font-size:16px;
  box-shadow:var(--sh-glow);
}
.nav-menu{display:flex;gap:6px;align-items:center;flex:1;justify-content:center}
.nav-menu a{
  padding:10px 16px;border-radius:999px;font-size:15px;color:var(--c-text-dim);
  font-weight:500;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a.active{color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));box-shadow:var(--sh-glow)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:linear-gradient(135deg,var(--c-accent),var(--c-primary));
  color:#fff;font-weight:600;font-size:14px;
  box-shadow:0 6px 18px rgba(106,92,255,.35);
}
.nav-cta:hover{transform:translateY(-1px);color:#fff}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:var(--c-surface);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}

/* Hero */
.hero{
  position:relative;padding:120px 0 90px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(11,13,23,.55) 0%,rgba(11,13,23,.9) 85%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 400px at 15% 20%,rgba(255,61,127,.35),transparent 60%),
    radial-gradient(500px 400px at 85% 80%,rgba(106,92,255,.35),transparent 60%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  font-size:13px;color:var(--c-text-dim);margin-bottom:22px;
}
.tag-pill i{width:6px;height:6px;border-radius:50%;background:var(--c-accent-2);box-shadow:0 0 12px var(--c-accent-2)}
.hero h1{
  font-size:clamp(34px,4.6vw,58px);
  line-height:1.15;margin:0 0 22px;font-weight:800;
  background:linear-gradient(135deg,#fff 20%,#ffd5e5 55%,#c4bbff 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{
  font-size:17px;color:var(--c-text-dim);margin:0 0 32px;max-width:560px;
}
.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:14px;font-weight:600;font-size:15px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;box-shadow:var(--sh-glow);
}
.btn-primary:hover{transform:translateY(-2px);color:#fff}
.btn-ghost{
  background:rgba(255,255,255,.06);color:#fff;border:1px solid var(--c-border);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.hero-stats .stat strong{display:block;font-size:26px;font-weight:800;color:#fff}
.hero-stats .stat span{font-size:13px;color:var(--c-text-dim)}

.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-md);border:1px solid var(--c-border);
  aspect-ratio:4/5;
  background:url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(11,13,23,.85));
}
.hero-frame-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:78px;height:78px;border-radius:50%;
  background:rgba(255,255,255,.95);color:var(--c-primary);
  display:grid;place-items:center;font-size:26px;
  box-shadow:0 20px 40px rgba(0,0,0,.5);z-index:2;
}
.hero-frame-caption{
  position:absolute;left:22px;right:22px;bottom:22px;z-index:2;
}
.hero-frame-caption h4{margin:0 0 6px;font-size:19px;color:#fff}
.hero-frame-caption p{margin:0;font-size:13px;color:rgba(255,255,255,.75)}
.hero-float{
  position:absolute;padding:12px 16px;border-radius:14px;
  background:rgba(23,27,48,.92);border:1px solid var(--c-border);
  backdrop-filter:blur(10px);font-size:13px;box-shadow:var(--sh-sm);
  display:flex;align-items:center;gap:10px;
}
.hero-float .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent-2);box-shadow:0 0 10px var(--c-accent-2)}
.hero-float-1{top:8%;left:-18px}
.hero-float-2{bottom:12%;right:-24px;background:linear-gradient(135deg,rgba(255,61,127,.9),rgba(106,92,255,.9))}
.hero-float-2 .dot{background:#fff;box-shadow:0 0 10px #fff}

/* Section base */
section{padding:var(--sp-6) 0}
.section-head{text-align:center;max-width:720px;margin:0 auto var(--sp-5)}
.section-eyebrow{
  display:inline-block;font-size:13px;letter-spacing:2px;text-transform:uppercase;
  color:var(--c-primary);font-weight:700;margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(26px,3.2vw,40px);margin:0 0 14px;font-weight:800;line-height:1.25;
}
.section-head p{color:var(--c-text-dim);font-size:16px;margin:0}

/* Feature grid */
.features{background:linear-gradient(180deg,var(--c-bg) 0%,var(--c-bg-soft) 100%)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  padding:32px 26px;border-radius:var(--r-lg);
  background:var(--c-surface);border:1px solid var(--c-border);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(255,61,127,.4);box-shadow:var(--sh-md)}
.feature-icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,rgba(255,61,127,.2),rgba(106,92,255,.2));
  color:var(--c-primary);display:grid;place-items:center;font-size:22px;font-weight:800;
  margin-bottom:18px;border:1px solid rgba(255,61,127,.25);
}
.feature-card h3{font-size:18px;margin:0 0 10px;color:#fff}
.feature-card p{margin:0;font-size:14.5px;color:var(--c-text-dim);line-height:1.7}

/* Categories */
.cats{background:var(--c-bg-soft)}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cat-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:3/4;border:1px solid var(--c-border);
  transition:transform .3s ease;
}
.cat-card:hover{transform:translateY(-6px)}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cat-card:hover img{transform:scale(1.08)}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 30%,rgba(11,13,23,.92));
}
.cat-body{position:absolute;left:22px;right:22px;bottom:22px;z-index:2;color:#fff}
.cat-body .badge{
  display:inline-block;padding:4px 10px;border-radius:999px;
  background:rgba(255,255,255,.16);backdrop-filter:blur(8px);
  font-size:12px;margin-bottom:12px;
}
.cat-body h3{margin:0 0 8px;font-size:20px;font-weight:700}
.cat-body p{margin:0 0 14px;font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.6}
.cat-body .go{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--c-primary-2);
}

/* Trending / Updates list */
.updates .container{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.updates-left h2{font-size:34px;margin:0 0 18px;font-weight:800;line-height:1.3}
.updates-left p{color:var(--c-text-dim);font-size:16px;margin:0 0 28px}
.trend-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.trend-item{
  display:flex;gap:16px;align-items:center;
  padding:14px;border-radius:var(--r-md);
  background:rgba(255,255,255,.03);border:1px solid var(--c-border);
  transition:background .2s ease,border-color .2s ease;
}
.trend-item:hover{background:rgba(255,255,255,.06);border-color:rgba(255,61,127,.35)}
.trend-rank{
  min-width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;font-weight:800;display:grid;place-items:center;font-size:15px;
}
.trend-item:nth-child(n+4) .trend-rank{background:var(--c-surface-2);color:var(--c-text-dim)}
.trend-info h4{margin:0 0 4px;font-size:15px;color:#fff;font-weight:600}
.trend-info span{font-size:12.5px;color:var(--c-text-dim)}

.updates-right h3{font-size:22px;margin:0 0 20px;font-weight:700}
.post-list{display:flex;flex-direction:column;gap:16px}
.post-card{
  display:flex;gap:16px;padding:16px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-border);
  transition:transform .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateX(4px);border-color:rgba(106,92,255,.4)}
.post-thumb{
  width:96px;height:96px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-accent),var(--c-primary));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:22px;
  overflow:hidden;
}
.post-body{flex:1;min-width:0}
.post-meta{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--c-text-dim);margin-bottom:8px}
.post-meta .chip{
  padding:2px 8px;border-radius:6px;background:rgba(255,61,127,.15);
  color:var(--c-primary);font-weight:600;
}
.post-body h4{margin:0 0 6px;font-size:15.5px;color:#fff;font-weight:600;line-height:1.5}
.post-body h4 a{color:#fff}
.post-body p{margin:0;font-size:13.5px;color:var(--c-text-dim);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  padding:40px 20px;text-align:center;color:var(--c-text-dim);
  border:1px dashed var(--c-border);border-radius:var(--r-md);
}

/* Showcase banner */
.showcase{
  position:relative;padding:80px 0;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(11,13,23,.85) 0%,rgba(11,13,23,.55) 60%,transparent 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.showcase-inner{max-width:600px}
.showcase h2{font-size:36px;margin:0 0 18px;font-weight:800;line-height:1.2}
.showcase p{color:rgba(255,255,255,.82);font-size:16px;margin:0 0 26px;max-width:520px}
.showcase-list{display:flex;gap:28px;flex-wrap:wrap;margin-bottom:28px}
.showcase-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:#fff;list-style:none}
.showcase-list li::before{
  content:"✓";width:22px;height:22px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800;
}

/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step{
  padding:32px 28px;border-radius:var(--r-lg);
  background:var(--c-surface);border:1px solid var(--c-border);
  position:relative;
}
.step-num{
  position:absolute;top:-18px;left:28px;
  width:52px;height:52px;border-radius:16px;
  background:linear-gradient(135deg,var(--c-accent),var(--c-primary));
  color:#fff;display:grid;place-items:center;font-size:22px;font-weight:800;
  box-shadow:0 10px 24px rgba(106,92,255,.4);
}
.step h3{margin:14px 0 10px;font-size:19px;font-weight:700;color:#fff}
.step p{margin:0;color:var(--c-text-dim);font-size:14.5px;line-height:1.7}

/* Testimonials */
.voices{background:linear-gradient(180deg,var(--c-bg-soft),var(--c-bg))}
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice-card{
  padding:28px;border-radius:var(--r-lg);
  background:var(--c-surface);border:1px solid var(--c-border);
  display:flex;flex-direction:column;gap:18px;
}
.voice-stars{color:var(--c-warn);font-size:16px;letter-spacing:2px}
.voice-card blockquote{
  margin:0;font-size:15.5px;color:#e6e9ff;line-height:1.75;
  quotes:"“" "”";
}
.voice-card blockquote::before{content:open-quote;font-size:30px;color:var(--c-primary);margin-right:4px;vertical-align:-8px}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.voice-avatar{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  display:grid;place-items:center;color:#fff;font-weight:700;
}
.voice-user h5{margin:0;font-size:14.5px;color:#fff}
.voice-user span{font-size:12.5px;color:var(--c-text-dim)}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  border-radius:var(--r-md);border:1px solid var(--c-border);
  background:var(--c-surface);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-size:16px;font-weight:600;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";width:30px;height:30px;border-radius:50%;
  background:rgba(255,61,127,.15);color:var(--c-primary);
  display:grid;place-items:center;font-size:18px;transition:transform .25s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;color:var(--c-text-dim);font-size:14.5px;line-height:1.8}

/* CTA */
.cta{
  padding:80px 0;
  background:
    linear-gradient(120deg,rgba(255,61,127,.9),rgba(106,92,255,.9)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  background-blend-mode:multiply;
}
.cta-inner{text-align:center;max-width:720px;margin:0 auto;color:#fff}
.cta-inner h2{font-size:38px;margin:0 0 16px;font-weight:800;line-height:1.25}
.cta-inner p{font-size:17px;margin:0 0 28px;color:rgba(255,255,255,.9)}
.cta form{display:flex;gap:12px;max-width:520px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.cta input{
  flex:1;min-width:240px;padding:14px 18px;border-radius:12px;
  border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.15);
  color:#fff;font-size:15px;outline:none;
}
.cta input::placeholder{color:rgba(255,255,255,.75)}
.cta input:focus{background:rgba(255,255,255,.25);border-color:#fff}
.cta button{
  padding:14px 28px;border-radius:12px;background:#fff;color:var(--c-primary);
  font-weight:700;font-size:15px;transition:transform .2s ease;
}
.cta button:hover{transform:translateY(-2px)}

/* Footer */
.site-footer{background:#07080f;padding:70px 0 30px;border-top:1px solid var(--c-border)}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .8fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--c-text-dim);font-size:14px;margin:14px 0 20px;max-width:340px;line-height:1.7}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;background:var(--c-surface);
  display:grid;place-items:center;font-size:14px;color:var(--c-text-dim);
  border:1px solid var(--c-border);
}
.footer-social a:hover{background:var(--c-primary);color:#fff}
.footer-col h5{color:#fff;margin:0 0 18px;font-size:15px;font-weight:700}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--c-text-dim);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{
  padding-top:26px;border-top:1px solid var(--c-border);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--c-text-dim);
}
.footer-bottom a{color:var(--c-text-dim)}

/* Responsive */
@media (max-width:1024px){
  .feature-grid,.cat-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid,.voice-grid{grid-template-columns:repeat(2,1fr)}
  .updates .container{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-grid .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:768px){
  section{padding:64px 0}
  .hero{padding:70px 0 60px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:420px;margin:0 auto}
  .nav-menu{display:none;position:absolute;top:74px;left:0;right:0;
    background:rgba(11,13,23,.98);flex-direction:column;padding:20px;gap:6px;
    border-bottom:1px solid var(--c-border);align-items:stretch}
  .nav-menu.open{display:flex}
  .nav-menu a{border-radius:12px;padding:12px 16px}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .steps-grid,.voice-grid,.feature-grid,.cat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .showcase h2,.cta-inner h2{font-size:28px}
  .hero-stats{gap:20px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:32px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{justify-content:center}
  .cta form{flex-direction:column}
  .cta input,.cta button{width:100%}
  .post-card{flex-direction:column}
  .post-thumb{width:100%;height:160px}
}

/* roulang page: article */
:root{
  --c-bg:#0b0d17;
  --c-bg-2:#12152130;
  --c-surface:#151a2b;
  --c-surface-2:#1b2135;
  --c-line:#252b45;
  --c-line-2:#2f3656;
  --c-text:#e9ecf5;
  --c-muted:#9aa3bf;
  --c-brand:#ff4d80;
  --c-brand-2:#ff8a3d;
  --c-accent:#7c5cff;
  --c-gold:#ffcc4d;
  --c-ok:#4dd6a7;
  --grad-brand:linear-gradient(135deg,#ff4d80 0%,#ff8a3d 55%,#ffcc4d 100%);
  --grad-cool:linear-gradient(135deg,#7c5cff 0%,#3aa1ff 100%);
  --grad-dark:linear-gradient(180deg,rgba(11,13,23,0.15) 0%,rgba(11,13,23,0.9) 100%);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(0,0,0,.25);
  --sh-2:0 14px 40px rgba(0,0,0,.35);
  --sh-brand:0 12px 32px rgba(255,77,128,.35);
  --sp-1:8px;
  --sp-2:14px;
  --sp-3:22px;
  --sp-4:34px;
  --sp-5:54px;
  --sp-6:80px;
  --f-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--f-sans);
  color:var(--c-text);
  background:radial-gradient(1200px 600px at 10% -10%,rgba(124,92,255,.18),transparent 60%),
             radial-gradient(900px 500px at 100% 0%,rgba(255,77,128,.15),transparent 60%),
             var(--c-bg);
  line-height:1.75;
  font-size:16px;
  min-height:100vh;
  -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-brand)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;line-height:1.35;font-weight:700;letter-spacing:.5px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:min(1200px,92%);margin-inline:auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(11,13,23,.72);
  border-bottom:1px solid var(--c-line);
}
.site-header .nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:20px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:1px}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-weight:900;
  box-shadow:var(--sh-brand);
}
.nav-menu{display:flex;gap:6px;align-items:center;flex:1;justify-content:center}
.nav-menu a{
  position:relative;padding:10px 16px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-muted);font-weight:500;
  transition:all .25s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.04)}
.nav-menu a.active{color:#fff;background:rgba(255,77,128,.12);box-shadow:inset 0 0 0 1px rgba(255,77,128,.35)}
.nav-cta{
  padding:11px 22px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:600;font-size:14.5px;
  box-shadow:var(--sh-brand);transition:transform .2s ease, box-shadow .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);color:#fff;box-shadow:0 18px 40px rgba(255,77,128,.45)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.05);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;top:50%;width:20px;height:2px;background:#fff;transform:translate(-50%,-50%);border-radius:2px;
}
.nav-toggle span::before{transform:translate(-50%,-8px)}
.nav-toggle span::after{transform:translate(-50%,6px)}

/* Article banner */
.article-banner{
  position:relative;overflow:hidden;
  padding:72px 0 60px;
  isolation:isolate;
}
.article-banner::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  filter:saturate(1.05);
}
.article-banner::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(11,13,23,.6) 0%,rgba(11,13,23,.86) 55%,rgba(11,13,23,.96) 100%);
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-muted);margin-bottom:22px;
}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.4}
.article-meta-top{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--c-line-2);
  font-size:13px;color:var(--c-muted);
}
.tag.hot{background:rgba(255,77,128,.12);border-color:rgba(255,77,128,.4);color:#ffb0c4}
.tag.gold{background:rgba(255,204,77,.12);border-color:rgba(255,204,77,.4);color:#ffd97a}
.article-title{
  font-size:clamp(28px,4.2vw,46px);line-height:1.25;
  max-width:900px;margin-bottom:22px;
  background:linear-gradient(180deg,#fff 0%,#d9dcf0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-summary{
  max-width:820px;color:#c9cee6;font-size:16.5px;line-height:1.9;
}
.meta-strip{
  margin-top:32px;display:flex;flex-wrap:wrap;gap:22px;
  padding:18px 24px;border-radius:var(--r-md);
  background:rgba(21,26,43,.7);border:1px solid var(--c-line);
  backdrop-filter:blur(6px);
}
.meta-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-muted)}
.meta-item strong{color:#fff;font-weight:600}
.meta-dot{width:8px;height:8px;border-radius:50%;background:var(--c-brand);box-shadow:0 0 12px var(--c-brand)}

/* Layout */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;padding:60px 0;
}
.article-main{min-width:0}
.article-side{min-width:0}

/* Article body */
.article-card{
  background:linear-gradient(180deg,rgba(27,33,53,.85) 0%,rgba(21,26,43,.85) 100%);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:44px;
  box-shadow:var(--sh-2);
}
.article-body{color:#dfe3f2;font-size:16px;line-height:1.95}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:24px;margin:38px 0 16px;color:#fff;
  padding-left:14px;border-left:4px solid var(--c-brand);
}
.article-body h3{font-size:19px;margin:26px 0 12px;color:#fff}
.article-body ul,.article-body ol{margin:0 0 20px 22px;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body strong{color:#fff}
.article-body em{color:var(--c-gold);font-style:normal}
.article-body a{color:var(--c-brand);border-bottom:1px dashed rgba(255,77,128,.5)}
.article-body a:hover{color:#ffb0c4;border-color:#ffb0c4}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;border-radius:var(--r-md);
  background:rgba(124,92,255,.08);border-left:3px solid var(--c-accent);
  color:#cfd4ee;font-style:italic;
}
.article-body img{border-radius:var(--r-md);margin:20px 0;box-shadow:var(--sh-1)}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left}
.article-body th{background:rgba(255,255,255,.04);color:#fff}
.article-body pre{background:rgba(11,13,23,.9);padding:16px;border-radius:var(--r-md);overflow-x:auto;border:1px solid var(--c-line)}
.article-body code{background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;font-size:14px}

.not-found{
  text-align:center;padding:60px 20px;color:var(--c-muted);
}
.not-found h2{color:#fff;font-size:26px;margin-bottom:14px}
.not-found a{
  display:inline-block;margin-top:18px;padding:12px 28px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:600;box-shadow:var(--sh-brand);
}

/* Article footer actions */
.article-actions{
  margin-top:40px;padding-top:28px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.share-group{display:flex;gap:10px;flex-wrap:wrap}
.share-btn{
  padding:9px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--c-line-2);
  font-size:13.5px;color:var(--c-muted);display:inline-flex;align-items:center;gap:6px;
  transition:all .2s ease;
}
.share-btn:hover{color:#fff;background:rgba(255,77,128,.1);border-color:rgba(255,77,128,.4)}
.like-group{display:flex;gap:10px}
.like-btn{
  padding:10px 22px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:600;font-size:14px;
  box-shadow:var(--sh-brand);
}
.fav-btn{
  padding:10px 22px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--c-line-2);color:#fff;font-weight:500;font-size:14px;
}

/* Sidebar */
.side-block{
  background:linear-gradient(180deg,rgba(27,33,53,.9) 0%,rgba(21,26,43,.9) 100%);
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;margin-bottom:24px;
}
.side-title{
  font-size:16px;color:#fff;margin-bottom:18px;display:flex;align-items:center;gap:10px;
}
.side-title::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--grad-brand);
}

.side-list{display:flex;flex-direction:column;gap:14px}
.side-item{
  display:flex;gap:12px;padding:10px;border-radius:var(--r-md);
  transition:background .2s ease;
}
.side-item:hover{background:rgba(255,255,255,.03)}
.side-item .num{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  background:rgba(255,255,255,.06);color:var(--c-muted);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.side-item:nth-child(1) .num{background:var(--grad-brand);color:#fff}
.side-item:nth-child(2) .num{background:rgba(255,138,61,.25);color:#ffb877}
.side-item:nth-child(3) .num{background:rgba(255,204,77,.2);color:#ffd97a}
.side-item .info{flex:1;min-width:0}
.side-item .info h4{font-size:14.5px;color:#e9ecf5;font-weight:500;line-height:1.5;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-item:hover .info h4{color:#fff}
.side-item .info span{font-size:12px;color:var(--c-muted)}

.channel-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.channel-tile{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  aspect-ratio:16/10;
  border:1px solid var(--c-line);
}
.channel-tile img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.channel-tile:hover img{transform:scale(1.08)}
.channel-tile .ch-label{
  position:absolute;inset:0;padding:12px;
  display:flex;align-items:flex-end;
  background:linear-gradient(180deg,transparent 40%,rgba(11,13,23,.9) 100%);
  color:#fff;font-size:13.5px;font-weight:600;
}

.side-cta{
  background:var(--grad-brand);border:none;color:#fff;
  padding:28px;text-align:center;
}
.side-cta h3{font-size:20px;margin-bottom:8px}
.side-cta p{font-size:13.5px;opacity:.9;margin-bottom:16px;line-height:1.7}
.side-cta a{
  display:inline-block;padding:11px 26px;border-radius:var(--r-pill);
  background:#fff;color:var(--c-brand);font-weight:700;font-size:14px;
}
.side-cta a:hover{background:#0b0d17;color:#fff}

.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--c-line-2);
  font-size:12.5px;color:var(--c-muted);
}
.tag-cloud a:hover{color:#fff;background:rgba(255,77,128,.12);border-color:rgba(255,77,128,.35)}

/* Related recommendations */
.related-section{padding:20px 0 70px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:14px;
  margin-bottom:28px;
}
.section-head h2{font-size:28px;color:#fff}
.section-head p{color:var(--c-muted);font-size:14.5px;margin-top:6px}
.section-head .more{
  color:var(--c-brand);font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.related-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.rel-card{
  background:linear-gradient(180deg,rgba(27,33,53,.9) 0%,rgba(21,26,43,.9) 100%);
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-6px);border-color:rgba(255,77,128,.35);box-shadow:var(--sh-2)}
.rel-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .rel-cover img{transform:scale(1.06)}
.rel-cover .badge{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:6px;
  background:rgba(255,77,128,.9);color:#fff;font-size:11.5px;font-weight:600;
}
.rel-cover .duration{
  position:absolute;bottom:12px;right:12px;
  padding:4px 10px;border-radius:6px;
  background:rgba(11,13,23,.75);color:#fff;font-size:12px;
  backdrop-filter:blur(4px);
}
.rel-body{padding:18px 20px 22px}
.rel-body h3{font-size:15.5px;color:#fff;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}
.rel-body .rel-meta{display:flex;justify-content:space-between;color:var(--c-muted);font-size:12.5px}
.rel-body .rel-meta .score{color:var(--c-gold);font-weight:700}

/* Comments */
.comment-section{padding:20px 0 80px}
.comment-box{
  background:linear-gradient(180deg,rgba(27,33,53,.85) 0%,rgba(21,26,43,.85) 100%);
  border:1px solid var(--c-line);border-radius:var(--r-lg);padding:36px;
}
.comment-form{margin-bottom:36px}
.comment-form textarea{
  width:100%;min-height:110px;padding:16px;border-radius:var(--r-md);
  background:rgba(11,13,23,.6);border:1px solid var(--c-line-2);
  color:#fff;font-size:15px;resize:vertical;transition:border-color .2s ease;
}
.comment-form textarea:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,77,128,.15)}
.comment-form-actions{display:flex;justify-content:space-between;align-items:center;margin-top:14px;flex-wrap:wrap;gap:12px}
.comment-form-actions span{color:var(--c-muted);font-size:13px}
.comment-submit{
  padding:11px 28px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:600;font-size:14px;
  box-shadow:var(--sh-brand);transition:transform .2s ease;
}
.comment-submit:hover{transform:translateY(-2px)}
.comment-list{display:flex;flex-direction:column;gap:22px}
.comment-item{display:flex;gap:14px;padding-bottom:22px;border-bottom:1px solid var(--c-line)}
.comment-item:last-child{border-bottom:none;padding-bottom:0}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  background:var(--grad-cool);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.avatar.b2{background:var(--grad-brand)}
.avatar.b3{background:linear-gradient(135deg,#4dd6a7,#3aa1ff)}
.comment-content{flex:1;min-width:0}
.comment-head{display:flex;gap:10px;align-items:center;margin-bottom:6px;flex-wrap:wrap}
.comment-head strong{color:#fff;font-size:14.5px}
.comment-head .time{color:var(--c-muted);font-size:12.5px}
.comment-head .lv{padding:2px 8px;border-radius:6px;background:rgba(255,204,77,.15);color:#ffd97a;font-size:11.5px;font-weight:600}
.comment-content p{color:#d0d5eb;font-size:14.5px;line-height:1.75}
.comment-reactions{display:flex;gap:16px;margin-top:8px;font-size:12.5px;color:var(--c-muted)}
.comment-reactions a:hover{color:var(--c-brand)}

/* Footer */
.site-footer{
  border-top:1px solid var(--c-line);
  background:linear-gradient(180deg,#0a0c15 0%,#070811 100%);
  padding:60px 0 24px;margin-top:40px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid var(--c-line);
}
.footer-brand p{color:var(--c-muted);font-size:14px;margin-top:14px;line-height:1.85}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.05);border:1px solid var(--c-line-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--c-muted);transition:all .2s ease;
}
.footer-social a:hover{color:#fff;background:var(--grad-brand);border-color:transparent}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px;font-size:13.5px;color:var(--c-muted)}
.footer-col ul li a{color:var(--c-muted)}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{
  padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  color:var(--c-muted);font-size:13px;
}
.footer-bottom a{color:var(--c-muted)}
.footer-bottom a:hover{color:#fff}

/* Responsive */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:30px}
  .related-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .article-card{padding:34px}
}
@media (max-width:768px){
  .nav-menu{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;background:rgba(11,13,23,.98);
    padding:20px;border-bottom:1px solid var(--c-line);
    display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{width:100%;text-align:center;padding:14px}
  .nav-toggle{display:inline-block}
  .nav-cta{display:none}
  .article-banner{padding:48px 0 40px}
  .article-card{padding:26px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .section-head h2{font-size:22px}
  .comment-box{padding:24px}
}
@media (max-width:520px){
  .article-title{font-size:26px}
  .meta-strip{padding:14px 16px;gap:14px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:20px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .article-actions{flex-direction:column;align-items:stretch}
  .like-group,.share-group{width:100%;justify-content:center}
}

/* roulang page: category1 */
:root{
  --c-bg:#0b0d14;
  --c-bg-2:#12141d;
  --c-surface:#181b26;
  --c-surface-2:#20232f;
  --c-border:rgba(255,255,255,.08);
  --c-border-2:rgba(255,255,255,.14);
  --c-text:#eef1f7;
  --c-muted:#9aa3b7;
  --c-dim:#6b7285;
  --c-primary:#ff4d6d;
  --c-primary-2:#ff8a5b;
  --c-accent:#7c5cff;
  --c-gold:#f6c667;
  --grad-hero:linear-gradient(135deg,#ff4d6d 0%,#ff8a5b 50%,#7c5cff 100%);
  --grad-card:linear-gradient(180deg,rgba(255,77,109,.14),rgba(124,92,255,.06));
  --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 14px 44px rgba(255,77,109,.28);
  --sp:clamp(64px,8vw,112px);
  --font:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-2)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:700;letter-spacing:.5px}
p{margin:0}
.container{width:min(1200px,92%);margin:0 auto}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,13,20,.82);
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--c-border);
}
.site-header .nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.5px}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--grad-hero);
  display:grid;place-items:center;color:#fff;font-weight:800;
  box-shadow:0 6px 18px rgba(255,77,109,.45);
}
.nav-menu{display:flex;gap:6px;align-items:center}
.nav-menu a{
  padding:10px 16px;border-radius:999px;font-size:15px;color:var(--c-muted);
  position:relative;transition:all .25s ease;
}
.nav-menu a:hover{color:#fff;background:var(--c-surface)}
.nav-menu a.active{color:#fff;background:linear-gradient(135deg,rgba(255,77,109,.22),rgba(124,92,255,.22));box-shadow:inset 0 0 0 1px var(--c-border-2)}
.nav-cta{
  padding:11px 22px;border-radius:999px;font-weight:600;font-size:14px;
  background:var(--grad-hero);color:#fff;
  box-shadow:0 8px 22px rgba(255,77,109,.4);
  transition:transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);color:#fff;box-shadow:0 12px 26px rgba(255,77,109,.55)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--c-surface);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:12px;right:12px;height:2px;background:#fff;border-radius:2px;transition:all .25s;
}
.nav-toggle span{top:50%;transform:translateY(-50%)}
.nav-toggle span::before{top:-7px;left:0;right:0}
.nav-toggle span::after{top:7px;left:0;right:0}

/* HERO */
.cat-hero{
  position:relative;overflow:hidden;
  padding:100px 0 90px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,20,.55) 0%,rgba(11,13,20,.85) 60%,var(--c-bg) 100%),
             url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  z-index:-2;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 400px at 15% 20%,rgba(255,77,109,.35),transparent 60%),
    radial-gradient(500px 380px at 85% 30%,rgba(124,92,255,.32),transparent 65%);
  z-index:-1;pointer-events:none;
}
.hero-inner{max-width:900px;text-align:center;margin:0 auto}
.crumb{
  display:inline-flex;gap:10px;align-items:center;
  padding:8px 18px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--c-border-2);
  font-size:13px;color:var(--c-muted);margin-bottom:22px;
}
.crumb span{color:var(--c-gold)}
.hero-inner h1{
  font-size:clamp(36px,5.5vw,64px);
  background:linear-gradient(180deg,#fff 30%,#ffd7c9 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:22px;
}
.hero-lead{
  font-size:clamp(15px,1.4vw,18px);
  color:var(--c-muted);max-width:720px;margin:0 auto 32px;
}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:14px;font-weight:600;font-size:15px;
  transition:all .25s ease;border:1px solid transparent;
}
.btn-primary{background:var(--grad-hero);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{transform:translateY(-3px);color:#fff;box-shadow:0 20px 44px rgba(255,77,109,.5)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:var(--c-border-2)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:20px;margin-top:56px;
}
.hero-stats .st{
  padding:22px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);
  border:1px solid var(--c-border);
  text-align:center;
}
.hero-stats .st b{
  display:block;font-size:28px;
  background:var(--grad-hero);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stats .st span{font-size:13px;color:var(--c-muted);margin-top:6px;display:block}

/* SECTION BASE */
section{padding:var(--sp) 0;position:relative}
.sec-head{max-width:760px;margin:0 auto 56px;text-align:center}
.sec-tag{
  display:inline-block;padding:6px 16px;border-radius:999px;
  background:rgba(255,77,109,.14);color:#ff9ab0;
  font-size:13px;letter-spacing:1px;margin-bottom:16px;
  border:1px solid rgba(255,77,109,.28);
}
.sec-head h2{
  font-size:clamp(28px,3.8vw,44px);margin-bottom:16px;
}
.sec-head p{color:var(--c-muted);font-size:16px}

/* FEATURED SHOWCASE */
.showcase{background:linear-gradient(180deg,var(--c-bg) 0%,var(--c-bg-2) 100%)}
.showcase-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  grid-template-rows:auto auto;
  gap:22px;
}
.movie-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-border);
  min-height:260px;transition:transform .35s ease,box-shadow .35s ease;
  isolation:isolate;
}
.movie-card::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-size:cover;background-position:center;
  transition:transform .8s ease;
}
.movie-card::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(11,13,20,.15) 0%,rgba(11,13,20,.55) 55%,rgba(11,13,20,.92) 100%);
}
.movie-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.movie-card:hover::before{transform:scale(1.08)}
.mc-1::before{background-image:url('/assets/images/coverpic/cover-1.webp')}
.mc-2::before{background-image:url('/assets/images/coverpic/cover-2.webp')}
.mc-3::before{background-image:url('/assets/images/coverpic/cover-3.webp')}
.mc-4::before{background-image:url('/assets/images/coverpic/cover-4.webp')}
.mc-5::before{background-image:url('/assets/images/coverpic/cover-5.webp')}
.mc-big{grid-column:1/2;grid-row:1/3;min-height:544px}
.movie-inner{
  position:absolute;left:0;right:0;bottom:0;padding:26px 26px 24px;
  display:flex;flex-direction:column;gap:10px;
}
.movie-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.badge{
  padding:4px 12px;border-radius:6px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.14);border:1px solid var(--c-border-2);
}
.badge-hot{background:linear-gradient(90deg,#ff4d6d,#ff8a5b);border-color:transparent;color:#fff}
.badge-gold{background:rgba(246,198,103,.16);color:var(--c-gold);border-color:rgba(246,198,103,.4)}
.badge-4k{background:rgba(124,92,255,.2);color:#c7bcff;border-color:rgba(124,92,255,.4)}
.movie-inner h3{font-size:22px}
.mc-big .movie-inner h3{font-size:30px}
.movie-meta{display:flex;gap:14px;color:var(--c-muted);font-size:13px;align-items:center}
.movie-meta .score{color:var(--c-gold);font-weight:700;font-size:15px}
.movie-desc{color:#dfe3ee;font-size:14px;line-height:1.6}
.play-btn{
  align-self:flex-start;margin-top:8px;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  background:rgba(255,255,255,.14);backdrop-filter:blur(8px);
  border:1px solid var(--c-border-2);font-size:13px;font-weight:600;
  transition:all .2s;
}
.play-btn:hover{background:var(--c-primary);border-color:transparent;color:#fff}
.play-btn::before{content:"▶";font-size:10px}

/* GENRES */
.genres-wrap{background:var(--c-bg-2)}
.genres{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.genre-card{
  padding:28px 24px;border-radius:var(--r-md);
  background:linear-gradient(160deg,var(--c-surface) 0%,var(--c-surface-2) 100%);
  border:1px solid var(--c-border);
  transition:all .3s ease;position:relative;overflow:hidden;
}
.genre-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-hero);transform:scaleX(0);transform-origin:left;
  transition:transform .35s ease;
}
.genre-card:hover{transform:translateY(-4px);border-color:var(--c-border-2)}
.genre-card:hover::before{transform:scaleX(1)}
.genre-ico{
  width:52px;height:52px;border-radius:14px;
  background:var(--grad-card);display:grid;place-items:center;
  font-size:24px;margin-bottom:18px;
  border:1px solid var(--c-border);
}
.genre-card h4{font-size:18px;margin-bottom:8px}
.genre-card p{color:var(--c-muted);font-size:14px;line-height:1.6;margin-bottom:14px}
.genre-card .count{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary-2);font-size:13px;font-weight:600;
}

/* FEATURES / TECH */
.features{background:linear-gradient(180deg,var(--c-bg-2),var(--c-bg))}
.features-grid{
  display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;
}
.features-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:5/6;
  background:url('/assets/images/coverpic/cover-6.webp') center/cover no-repeat;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.features-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(210deg,transparent 40%,rgba(11,13,20,.75) 100%);
}
.features-visual .fv-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:88px;height:88px;border-radius:50%;
  background:rgba(255,255,255,.18);backdrop-filter:blur(8px);
  border:2px solid rgba(255,255,255,.4);
  display:grid;place-items:center;font-size:28px;color:#fff;
  animation:pulse 2.4s ease infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(255,255,255,.35)}
  50%{box-shadow:0 0 0 22px rgba(255,255,255,0)}
}
.features-visual .fv-cap{
  position:absolute;left:24px;bottom:24px;right:24px;
  padding:16px 18px;border-radius:14px;
  background:rgba(11,13,20,.6);backdrop-filter:blur(10px);
  border:1px solid var(--c-border-2);
}
.features-visual .fv-cap b{display:block;font-size:15px;margin-bottom:4px}
.features-visual .fv-cap span{color:var(--c-muted);font-size:13px}
.features-list{display:flex;flex-direction:column;gap:22px}
.features-list h2{font-size:clamp(28px,3.5vw,40px);margin-bottom:8px}
.features-list > p{color:var(--c-muted);font-size:16px;margin-bottom:12px}
.feat-item{
  display:flex;gap:18px;padding:20px;border-radius:var(--r-md);
  background:rgba(255,255,255,.03);border:1px solid var(--c-border);
  transition:border-color .2s ease;
}
.feat-item:hover{border-color:var(--c-border-2)}
.feat-num{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;
  background:var(--grad-hero);display:grid;place-items:center;
  font-weight:800;color:#fff;
}
.feat-item h4{font-size:17px;margin-bottom:4px}
.feat-item p{color:var(--c-muted);font-size:14px}

/* SCENES */
.scenes-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.scene-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/5;isolation:isolate;
  transition:transform .35s ease;
}
.scene-card::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-size:cover;background-position:center;
  transition:transform .8s;
}
.sc-1::before{background-image:url('/assets/images/coverpic/cover-7.webp')}
.sc-2::before{background-image:url('/assets/images/coverpic/cover-8.webp')}
.sc-3::before{background-image:url('/assets/images/coverpic/cover-9.webp')}
.scene-card::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,transparent 30%,rgba(11,13,20,.9) 100%);
}
.scene-card:hover{transform:translateY(-6px)}
.scene-card:hover::before{transform:scale(1.06)}
.scene-inner{position:absolute;left:0;right:0;bottom:0;padding:28px 26px}
.scene-inner b{
  display:inline-block;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid var(--c-border-2);
  font-size:12px;font-weight:600;margin-bottom:14px;
}
.scene-inner h3{font-size:22px;margin-bottom:10px}
.scene-inner p{color:#d7dbe6;font-size:14px;line-height:1.65}

/* STEPS */
.steps-wrap{background:var(--c-bg-2)}
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  position:relative;
}
.step{
  padding:32px 26px;border-radius:var(--r-md);
  background:linear-gradient(160deg,var(--c-surface),var(--c-surface-2));
  border:1px solid var(--c-border);position:relative;
}
.step-idx{
  font-size:44px;font-weight:800;line-height:1;
  background:var(--grad-hero);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:16px;display:block;
}
.step h4{font-size:18px;margin-bottom:10px}
.step p{color:var(--c-muted);font-size:14px}

/* FAQ */
.faq-wrap{background:linear-gradient(180deg,var(--c-bg-2),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);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-border);
  transition:border-color .25s;
}
.faq-item[open]{border-color:rgba(255,77,109,.4);box-shadow:0 10px 30px rgba(0,0,0,.25)}
.faq-item summary{
  padding:22px 26px;cursor:pointer;font-weight:600;font-size:16px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;flex-shrink:0;
  background:rgba(255,255,255,.06);border:1px solid var(--c-border-2);
  transition:transform .3s ease,background .2s;font-size:18px;font-weight:400;
}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--c-primary)}
.faq-item .ans{padding:0 26px 24px;color:var(--c-muted);font-size:14.5px;line-height:1.75}

/* CTA */
.cta-wrap{
  padding:0 0 var(--sp);
}
.cta{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);padding:64px 48px;
  background:
    linear-gradient(135deg,rgba(255,77,109,.85) 0%,rgba(124,92,255,.85) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  text-align:center;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 50% 0,rgba(255,255,255,.24),transparent 70%);
}
.cta > *{position:relative}
.cta h2{font-size:clamp(28px,4vw,42px);color:#fff;margin-bottom:16px}
.cta p{color:rgba(255,255,255,.9);max-width:680px;margin:0 auto 28px;font-size:16px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta .btn-primary{background:#fff;color:#ff4d6d;box-shadow:0 12px 36px rgba(0,0,0,.3)}
.cta .btn-primary:hover{color:#ff4d6d;transform:translateY(-3px)}
.cta .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}
.cta .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}

/* FOOTER */
.site-footer{
  background:#07090f;border-top:1px solid var(--c-border);
  padding:70px 0 30px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;
  padding-bottom:44px;border-bottom:1px solid var(--c-border);
}
.footer-brand p{color:var(--c-muted);font-size:14px;margin:16px 0 20px;line-height:1.75}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;
  background:var(--c-surface);border:1px solid var(--c-border);
  display:grid;place-items:center;font-size:13px;color:var(--c-muted);
  transition:all .2s;
}
.footer-social a:hover{background:var(--c-primary);border-color:transparent;color:#fff}
.footer-col h5{font-size:15px;margin-bottom:18px;color:#fff}
.footer-col ul li{margin-bottom:10px;color:var(--c-muted);font-size:14px}
.footer-col ul li a{color:var(--c-muted)}
.footer-col ul li a:hover{color:var(--c-primary-2)}
.footer-bottom{
  padding-top:24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  color:var(--c-dim);font-size:13px;
}
.footer-bottom a{color:var(--c-muted)}

/* RESPONSIVE */
@media (max-width:1024px){
  .showcase-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .mc-big{grid-column:1/3;grid-row:auto;min-height:340px}
  .genres{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:1fr;gap:44px}
  .features-visual{max-width:520px;margin:0 auto;aspect-ratio:5/4}
  .scenes-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .nav-menu{
    position:fixed;top:72px;left:0;right:0;
    background:rgba(11,13,20,.96);backdrop-filter:blur(14px);
    flex-direction:column;padding:20px;gap:6px;
    border-bottom:1px solid var(--c-border);
    transform:translateY(-120%);transition:transform .3s;
  }
  .nav-menu.open{transform:translateY(0)}
  .nav-menu a{padding:14px 16px;width:100%;border-radius:12px}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .cat-hero{padding:70px 0 60px}
}
@media (max-width:520px){
  .showcase-grid{grid-template-columns:1fr}
  .mc-big{grid-column:1/2;min-height:320px}
  .genres{grid-template-columns:1fr}
  .scenes-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta{padding:48px 24px}
  .hero-inner h1{font-size:34px}
}

/* roulang page: category3 */
:root{
  --c-bg:#0f0b18;
  --c-bg-2:#171128;
  --c-surface:#1e1733;
  --c-surface-2:#251c40;
  --c-border:#332654;
  --c-primary:#ffb020;
  --c-primary-2:#ff5a8a;
  --c-accent:#7c5cff;
  --c-text:#f4efff;
  --c-muted:#a89ec7;
  --c-white:#ffffff;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.25);
  --shadow:0 14px 40px rgba(15,10,35,.4);
  --shadow-lg:0 24px 60px rgba(124,92,255,.28);
  --grad-warm:linear-gradient(135deg,#ffb020 0%,#ff5a8a 55%,#7c5cff 100%);
  --grad-dark:linear-gradient(180deg,#0f0b18 0%,#1a1231 100%);
  --sp-1:6px;--sp-2:12px;--sp-3:18px;--sp-4:26px;--sp-5:38px;--sp-6:56px;--sp-7:80px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul{list-style:none;padding:0;margin:0;}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700;letter-spacing:.5px;}
p{margin:0;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(15,11,24,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--c-white);}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--grad-warm);
  display:grid;place-items:center;
  font-size:19px;color:#fff;box-shadow:0 6px 18px rgba(255,90,138,.4);
}
.nav-menu{display:flex;gap:6px;align-items:center;}
.nav-menu a{
  padding:9px 16px;border-radius:99px;
  font-size:14.5px;color:var(--c-muted);
  transition:all .25s ease;
}
.nav-menu a:hover{color:var(--c-white);background:rgba(255,255,255,.06);}
.nav-menu a.active{color:#1a0f2b;background:var(--c-primary);font-weight:600;}
.nav-cta{
  padding:11px 22px;border-radius:99px;
  background:var(--grad-warm);color:#fff;font-weight:600;font-size:14.5px;
  box-shadow:0 8px 22px rgba(255,90,138,.35);
  transition:transform .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);}
.nav-toggle{display:none;width:40px;height:40px;position:relative;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:22px;height:2px;background:var(--c-white);border-radius:2px;
}
.nav-toggle span::before{transform:translate(-50%,-8px);}
.nav-toggle span::after{transform:translate(-50%,8px);}

/* Hero */
.hero{
  position:relative;padding:var(--sp-7) 0 var(--sp-6);
  background:
    linear-gradient(180deg,rgba(15,11,24,.75) 0%,rgba(15,11,24,.92) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 30%,rgba(255,176,32,.18),transparent 45%),
             radial-gradient(circle at 80% 70%,rgba(124,92,255,.22),transparent 50%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:99px;
  background:rgba(255,176,32,.14);border:1px solid rgba(255,176,32,.35);
  color:var(--c-primary);font-size:13.5px;font-weight:600;margin-bottom:22px;
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-primary);}
.hero h1{
  font-size:clamp(34px,4.6vw,58px);
  line-height:1.15;color:#fff;
  margin-bottom:22px;
}
.hero h1 em{font-style:normal;background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;color:var(--c-muted);margin-bottom:32px;max-width:520px;}
.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 .25s ease;
}
.btn-primary{background:var(--grad-warm);color:#fff;box-shadow:var(--shadow-lg);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 30px 70px rgba(124,92,255,.4);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.16);}
.btn-ghost:hover{background:rgba(255,255,255,.15);}
.hero-meta{display:flex;gap:36px;flex-wrap:wrap;}
.hero-meta div{color:var(--c-muted);font-size:13.5px;}
.hero-meta strong{display:block;color:#fff;font-size:26px;font-weight:800;background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:2px;}

.hero-visual{position:relative;height:440px;}
.hero-card{
  position:absolute;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.1);
}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.hero-card.c1{top:0;right:0;width:70%;height:64%;transform:rotate(3deg);}
.hero-card.c2{bottom:0;left:0;width:60%;height:52%;transform:rotate(-4deg);}
.hero-card .tag{
  position:absolute;top:14px;left:14px;
  padding:6px 12px;border-radius:99px;
  background:rgba(15,11,24,.75);backdrop-filter:blur(8px);
  font-size:12px;color:#fff;font-weight:600;
}
.hero-card .tag.hot{background:var(--c-primary-2);}

/* Section base */
section{padding:var(--sp-7) 0;}
.section-head{text-align:center;max-width:720px;margin:0 auto var(--sp-5);}
.section-eyebrow{
  display:inline-block;padding:6px 14px;border-radius:99px;
  background:rgba(124,92,255,.14);color:var(--c-accent);
  font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(28px,3.2vw,40px);color:#fff;margin-bottom:14px;}
.section-head p{color:var(--c-muted);font-size:16px;}

/* Types grid */
.types{background:var(--c-bg-2);}
.types-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.type-card{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius);padding:26px 22px;
  transition:all .3s ease;position:relative;overflow:hidden;
}
.type-card::before{
  content:"";position:absolute;inset:0;
  background:var(--grad-warm);opacity:0;transition:opacity .3s ease;z-index:0;
}
.type-card:hover{transform:translateY(-6px);border-color:transparent;box-shadow:var(--shadow-lg);}
.type-card:hover::before{opacity:1;}
.type-card>*{position:relative;z-index:1;}
.type-card:hover .type-icon{background:rgba(255,255,255,.2);}
.type-card:hover h3,.type-card:hover p{color:#fff;}
.type-icon{
  width:52px;height:52px;border-radius:14px;
  background:rgba(255,176,32,.14);
  display:grid;place-items:center;
  font-size:24px;margin-bottom:16px;transition:background .3s ease;
}
.type-card h3{color:#fff;font-size:18px;margin-bottom:8px;}
.type-card p{color:var(--c-muted);font-size:14px;line-height:1.7;transition:color .3s ease;}

/* Featured shorts */
.shorts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.short-card{
  background:var(--c-surface);border-radius:var(--radius-lg);
  overflow:hidden;border:1px solid var(--c-border);
  transition:transform .3s ease,box-shadow .3s ease;
}
.short-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.short-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.short-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.short-card:hover .short-thumb img{transform:scale(1.06);}
.short-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(15,11,24,.85) 100%);
}
.short-play{
  position:absolute;bottom:16px;right:16px;z-index:2;
  width:52px;height:52px;border-radius:50%;
  background:var(--c-primary);color:#1a0f2b;
  display:grid;place-items:center;font-size:20px;font-weight:700;
  box-shadow:0 10px 30px rgba(255,176,32,.5);
}
.short-duration{
  position:absolute;top:14px;right:14px;z-index:2;
  padding:5px 11px;border-radius:6px;
  background:rgba(0,0,0,.6);color:#fff;font-size:12px;font-weight:600;
}
.short-cat{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 11px;border-radius:6px;
  background:var(--c-primary-2);color:#fff;font-size:12px;font-weight:600;
}
.short-body{padding:22px;}
.short-body h3{color:#fff;font-size:17px;margin-bottom:10px;line-height:1.45;}
.short-body p{color:var(--c-muted);font-size:14px;margin-bottom:16px;line-height:1.7;}
.short-meta{display:flex;justify-content:space-between;align-items:center;color:var(--c-muted);font-size:13px;}
.short-meta span{display:flex;align-items:center;gap:5px;}
.short-hot{color:var(--c-primary);font-weight:600;}

/* Trending strip */
.trending{background:var(--c-bg-2);}
.trending-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.trend-row{
  display:flex;gap:18px;align-items:center;
  padding:18px 22px;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--radius);
  transition:all .25s ease;
}
.trend-row:hover{border-color:var(--c-primary);transform:translateX(4px);}
.trend-rank{
  width:44px;height:44px;flex-shrink:0;
  border-radius:12px;display:grid;place-items:center;
  font-size:20px;font-weight:800;color:#fff;
  background:var(--c-surface-2);
}
.trend-row:nth-child(1) .trend-rank,
.trend-row:nth-child(2) .trend-rank,
.trend-row:nth-child(3) .trend-rank{background:var(--grad-warm);}
.trend-body{flex:1;min-width:0;}
.trend-body h4{color:#fff;font-size:15.5px;margin-bottom:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.trend-body span{color:var(--c-muted);font-size:13px;}
.trend-hot{color:var(--c-primary-2);font-size:13px;font-weight:600;flex-shrink:0;}

/* How it works */
.flow{background:var(--grad-dark);}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.flow-step{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius);padding:30px 24px;text-align:center;
  position:relative;
}
.flow-num{
  position:absolute;top:-22px;left:50%;transform:translateX(-50%);
  width:44px;height:44px;border-radius:50%;
  background:var(--grad-warm);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;
  box-shadow:0 8px 20px rgba(255,90,138,.4);
}
.flow-step h4{color:#fff;font-size:17px;margin:16px 0 10px;}
.flow-step p{color:var(--c-muted);font-size:14px;line-height:1.7;}

/* Scene */
.scenes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.scene{
  padding:32px 28px;border-radius:var(--radius);
  background:var(--c-surface);border:1px solid var(--c-border);
  transition:all .3s ease;
}
.scene:hover{border-color:var(--c-primary);box-shadow:var(--shadow);transform:translateY(-4px);}
.scene-emoji{font-size:34px;margin-bottom:16px;}
.scene h3{color:#fff;font-size:19px;margin-bottom:12px;}
.scene p{color:var(--c-muted);font-size:14.5px;margin-bottom:16px;line-height:1.75;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;}
.scene-tags span{
  padding:4px 12px;border-radius:99px;
  background:rgba(255,176,32,.1);color:var(--c-primary);
  font-size:12.5px;font-weight:500;
}

/* FAQ */
.faq-wrap{background:var(--c-bg-2);}
.faq-list{max-width:820px;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 .25s ease;
}
.faq-item:hover{border-color:var(--c-accent);}
.faq-q{
  padding:20px 24px;font-size:16px;color:#fff;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;cursor:pointer;
}
.faq-q::after{
  content:"+";font-size:24px;font-weight:400;color:var(--c-primary);
  transition:transform .3s ease;
}
.faq-item.open .faq-q::after{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;
  padding:0 24px;color:var(--c-muted);font-size:14.5px;line-height:1.85;
}
.faq-item.open .faq-a{max-height:400px;padding:0 24px 22px;}

/* CTA */
.cta-block{
  padding:var(--sp-6) 0;
  background:
    linear-gradient(135deg,rgba(255,90,138,.9),rgba(124,92,255,.9)),
    url('/assets/images/backpic/back-2.webp') center/cover;
}
.cta-inner{text-align:center;max-width:720px;margin:0 auto;color:#fff;}
.cta-inner h2{font-size:clamp(26px,3vw,38px);margin-bottom:16px;}
.cta-inner p{font-size:16px;opacity:.92;margin-bottom:28px;}
.cta-form{display:flex;gap:10px;max-width:480px;margin:0 auto;flex-wrap:wrap;}
.cta-form input{
  flex:1;min-width:220px;padding:14px 20px;
  border-radius:99px;border:0;font-size:15px;
  background:rgba(255,255,255,.95);color:#1a0f2b;outline:none;
}
.cta-form input:focus{box-shadow:0 0 0 3px rgba(255,255,255,.4);}
.cta-form button{
  padding:14px 30px;border-radius:99px;
  background:#1a0f2b;color:#fff;font-weight:600;font-size:15px;
  transition:transform .2s ease;
}
.cta-form button:hover{transform:translateY(-2px);}

/* Footer */
.site-footer{background:#0a0714;padding:var(--sp-6) 0 var(--sp-4);border-top:1px solid rgba(255,255,255,.05);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;margin-bottom:var(--sp-4);}
.footer-brand p{color:var(--c-muted);font-size:14px;line-height:1.8;margin:16px 0 20px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:10px;
  background:var(--c-surface);color:var(--c-muted);
  display:grid;place-items:center;font-size:14px;
  transition:all .25s ease;
}
.footer-social a:hover{background:var(--c-primary);color:#1a0f2b;transform:translateY(-2px);}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;color:var(--c-muted);font-size:14px;}
.footer-col ul a{color:var(--c-muted);transition:color .2s ease;}
.footer-col ul a:hover{color:var(--c-primary);}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:var(--sp-3);border-top:1px solid rgba(255,255,255,.06);
  color:var(--c-muted);font-size:13px;
}
.footer-bottom a{color:var(--c-muted);}
.footer-bottom a:hover{color:var(--c-primary);}

/* Responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-visual{height:340px;}
  .types-grid{grid-template-columns:repeat(2,1fr);}
  .shorts-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:34px 22px;}
  .scenes-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  section{padding:var(--sp-6) 0;}
  .hero{padding:var(--sp-6) 0 var(--sp-5);}
  .nav-menu{
    position:fixed;top:70px;right:16px;left:16px;
    flex-direction:column;align-items:stretch;
    background:var(--c-surface);border:1px solid var(--c-border);
    border-radius:var(--radius);padding:16px;gap:4px;
    display:none;box-shadow:var(--shadow);
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{padding:12px 16px;border-radius:10px;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-cta{display:none;}
  .hero-meta{gap:22px;}
  .hero-meta strong{font-size:22px;}
  .trending-list{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .types-grid{grid-template-columns:1fr;}
  .shorts-grid{grid-template-columns:1fr;}
  .scenes-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-form input{min-width:0;}
  .hero h1{font-size:32px;}
  .hero-visual{height:260px;}
  .hero-card.c1{width:78%;height:60%;}
  .hero-card.c2{width:64%;height:48%;}
}

/* roulang page: category4 */
:root{
  --bg:#08070d;
  --bg-2:#0f0d1a;
  --surface:#141222;
  --surface-2:#1c1830;
  --border:rgba(255,255,255,0.08);
  --border-strong:rgba(255,255,255,0.16);
  --text:#ececf5;
  --muted:#9a97b4;
  --primary:#b48cff;
  --primary-2:#7c5cff;
  --accent:#ffb86b;
  --danger:#ff5b7a;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 60px -20px rgba(124,92,255,.35);
  --shadow-soft:0 10px 30px -12px rgba(0,0,0,.6);
  --gap:clamp(16px,2vw,28px);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none;padding:0;margin:0}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:.5px}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(8,7,13,.85);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.site-header .nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.5px}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary-2),var(--primary));
  color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 8px 20px -8px var(--primary-2);
}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);font-weight:500;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-menu a.active{color:#fff;background:rgba(124,92,255,.15)}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;
}
.nav-cta{
  padding:10px 20px;border-radius:999px;
  background:linear-gradient(135deg,var(--primary-2),var(--primary));
  color:#fff!important;font-weight:600;font-size:14px;
  box-shadow:0 8px 20px -8px var(--primary-2);
}
.nav-cta:hover{transform:translateY(-1px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border-strong);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;top:50%;width:18px;height:2px;background:#fff;border-radius:2px;
  transform:translate(-50%,-50%);content:""
}
.nav-toggle span::before{transform:translate(-50%,-8px)}
.nav-toggle span::after{transform:translate(-50%,6px)}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:96px 0 80px;
  background:
    linear-gradient(180deg,rgba(8,7,13,.65) 0%,rgba(8,7,13,.9) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 20% 20%,rgba(124,92,255,.35),transparent 55%),
             radial-gradient(ellipse at 80% 60%,rgba(255,184,107,.18),transparent 60%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--border-strong);
  font-size:13px;color:var(--muted);margin-bottom:22px
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,184,107,.15)}
.hero h1{
  font-size:clamp(32px,4.6vw,54px);line-height:1.15;margin-bottom:22px;
  background:linear-gradient(135deg,#fff 0%,#c9bfff 60%,#ffd7a8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;color:#d0cde5;margin-bottom:32px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.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-2),var(--primary));color:#fff;box-shadow:0 12px 30px -10px var(--primary-2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px var(--primary-2)}
.btn-ghost{border:1px solid var(--border-strong);color:#fff;background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3)}
.hero-meta{display:flex;flex-wrap:wrap;gap:36px}
.hero-meta div span{display:block;font-size:26px;font-weight:800;color:#fff}
.hero-meta div small{color:var(--muted);font-size:13px}
.hero-visual{position:relative;height:460px}
.night-card{
  position:absolute;border-radius:var(--radius);overflow:hidden;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.7);
  border:1px solid var(--border-strong);
}
.night-card img{width:100%;height:100%;object-fit:cover}
.night-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(8,7,13,.9) 100%);
}
.night-card .tag{
  position:absolute;bottom:16px;left:16px;right:16px;z-index:2;
  color:#fff;font-weight:600;font-size:15px
}
.night-card .tag small{display:block;color:var(--accent);font-size:12px;margin-bottom:4px}
.night-card.card-1{top:0;left:0;width:65%;height:62%}
.night-card.card-2{top:20%;right:0;width:52%;height:56%;transform:rotate(3deg)}
.night-card.card-3{bottom:0;left:12%;width:58%;height:44%;transform:rotate(-2deg)}

/* Section common */
section{padding:80px 0}
.section-head{max-width:720px;margin-bottom:48px}
.section-eyebrow{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(180,140,255,.12);color:var(--primary);
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.section-title{font-size:clamp(26px,3vw,36px);line-height:1.25;margin-bottom:14px;color:#fff}
.section-lead{color:var(--muted);font-size:16px}

/* Mood grid */
.mood-section{background:var(--bg-2)}
.mood-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.mood-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/5;
  border:1px solid var(--border);
  transition:transform .3s ease,border-color .3s ease;
}
.mood-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.mood-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,7,13,0) 30%,rgba(8,7,13,.95) 100%);
}
.mood-body{position:absolute;left:0;right:0;bottom:0;padding:24px;z-index:2}
.mood-body h3{font-size:20px;color:#fff;margin-bottom:8px}
.mood-body p{color:#c9c5df;font-size:14px;margin-bottom:14px}
.mood-body .chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  padding:4px 10px;border-radius:6px;font-size:12px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);color:#fff
}
.mood-card:hover{transform:translateY(-6px);border-color:var(--primary)}
.mood-card:hover img{transform:scale(1.08)}

/* Timeline */
.tonight-section{position:relative}
.tonight-grid{display:grid;grid-template-columns:.35fr .65fr;gap:56px;align-items:start}
.tonight-head h2{font-size:clamp(26px,3vw,36px);color:#fff;margin-bottom:16px}
.tonight-head p{color:var(--muted);margin-bottom:24px}
.tonight-note{
  padding:20px;border-radius:var(--radius-sm);
  background:linear-gradient(135deg,rgba(180,140,255,.12),rgba(255,184,107,.08));
  border:1px solid var(--border-strong);
  font-size:14px;color:#e0dcf0;
}
.timeline{position:relative;padding-left:28px}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:2px;
}
.time-item{position:relative;padding-bottom:28px}
.time-item:last-child{padding-bottom:0}
.time-item::before{
  content:"";position:absolute;left:-27px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--surface-2);border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(124,92,255,.15)
}
.time-item h4{font-size:16px;color:#fff;margin-bottom:6px}
.time-item .clock{color:var(--accent);font-size:13px;font-weight:600;margin-bottom:6px;display:block}
.time-item p{color:var(--muted);font-size:14px}

/* Feature list */
.feature-section{background:var(--bg-2)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.feature{
  padding:28px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--border);
  transition:transform .25s ease,border-color .25s ease;
}
.feature:hover{transform:translateY(-4px);border-color:var(--primary)}
.feature-icon{
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(180,140,255,.2),rgba(255,184,107,.15));
  color:var(--primary);font-size:22px;font-weight:800;
  margin-bottom:18px;
}
.feature h4{font-size:17px;color:#fff;margin-bottom:10px}
.feature p{color:var(--muted);font-size:14px}

/* Playlist */
.playlist-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.playlist-cover{
  position:relative;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
}
.playlist-cover img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.playlist-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(124,92,255,.35),transparent 50%);
}
.playlist-cover .badge{
  position:absolute;top:20px;left:20px;
  padding:6px 14px;border-radius:999px;
  background:rgba(8,7,13,.7);color:#fff;font-size:13px;
  border:1px solid var(--border-strong);
  backdrop-filter:blur(8px);
}
.playlist-list{display:flex;flex-direction:column;gap:14px}
.play-item{
  display:flex;align-items:center;gap:18px;
  padding:16px 20px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--border);
  transition:all .25s ease
}
.play-item:hover{border-color:var(--primary);transform:translateX(4px)}
.play-num{
  width:34px;height:34px;border-radius:8px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary-2),var(--primary));
  color:#fff;font-weight:800;font-size:14px;
}
.play-body{flex:1;min-width:0}
.play-body h5{font-size:15px;color:#fff;margin-bottom:4px}
.play-body span{font-size:13px;color:var(--muted)}
.play-time{color:var(--accent);font-size:13px;font-weight:600;white-space:nowrap}

/* How */
.how-section{background:var(--bg-2)}
.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.how-card{
  padding:32px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  position:relative;overflow:hidden
}
.how-card::before{
  content:attr(data-step);
  position:absolute;right:-8px;top:-24px;
  font-size:110px;font-weight:900;
  color:rgba(180,140,255,.08);
  line-height:1;
}
.how-card h4{font-size:19px;color:#fff;margin-bottom:12px;position:relative}
.how-card p{color:var(--muted);font-size:14.5px;position:relative}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:var(--surface);overflow:hidden;
  transition:border-color .25s ease
}
.faq-item[open]{border-color:var(--primary)}
.faq-item 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:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--primary);
  transition:transform .3s ease;font-weight:400
}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:14.5px;line-height:1.75}

/* CTA */
.cta-section{
  padding:80px 0;
  background:
    linear-gradient(120deg,rgba(124,92,255,.9),rgba(180,140,255,.75) 45%,rgba(255,184,107,.7)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  text-align:center;position:relative;overflow:hidden
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at center,transparent 30%,rgba(8,7,13,.35));
}
.cta-inner{position:relative;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:clamp(28px,3.4vw,40px);color:#fff;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,.9);font-size:16px;margin-bottom:30px}
.cta-form{
  display:flex;gap:10px;max-width:520px;margin:0 auto;
  background:rgba(8,7,13,.5);padding:8px;border-radius:999px;
  border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(8px)
}
.cta-form input{
  flex:1;background:transparent;border:0;outline:0;
  padding:12px 20px;color:#fff;font-size:15px;
}
.cta-form input::placeholder{color:rgba(255,255,255,.6)}
.cta-form button{
  padding:12px 26px;border-radius:999px;
  background:#fff;color:var(--primary-2);font-weight:700;font-size:14px;
  transition:transform .2s ease
}
.cta-form button:hover{transform:scale(1.03)}

/* Footer */
.site-footer{background:#050409;padding:64px 0 24px;border-top:1px solid var(--border);margin-top:0}
.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:16px 0;max-width:340px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--border);
  font-size:14px;font-weight:600;color:var(--muted)
}
.footer-social a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{color:var(--muted);font-size:14px}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  padding-top:24px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--muted);font-size:13px
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}

/* Responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{height:380px;max-width:520px;margin:0 auto}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .mood-grid{grid-template-columns:repeat(2,1fr)}
  .tonight-grid,.playlist-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  section{padding:60px 0}
  .hero{padding:64px 0 60px}
  .nav-menu{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;
    padding:16px;background:rgba(8,7,13,.98);
    border-bottom:1px solid var(--border);
    display:none
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta{display:none}
  .how-grid{grid-template-columns:1fr}
  .cta-form{flex-direction:column;border-radius:20px;padding:12px}
  .cta-form input,.cta-form button{width:100%;text-align:center}
}
@media (max-width:520px){
  .hero-visual{height:340px}
  .night-card.card-1{width:75%;height:60%}
  .night-card.card-2{width:60%;height:52%}
  .night-card.card-3{width:65%;height:42%}
  .mood-grid,.feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-meta{gap:20px}
  .hero-meta div span{font-size:22px}
}

/* roulang page: category2 */
:root{
  --brand:#e11d48;
  --brand-2:#f97316;
  --brand-soft:#fee2e2;
  --ink:#0f172a;
  --ink-2:#1e293b;
  --muted:#64748b;
  --line:#e2e8f0;
  --bg:#f8fafc;
  --bg-2:#ffffff;
  --dark:#0b0f1a;
  --dark-2:#131a2b;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 8px rgba(15,23,42,.06);
  --shadow:0 12px 32px rgba(15,23,42,.10);
  --shadow-lg:0 24px 60px rgba(15,23,42,.16);
  --tr:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;color:var(--ink)}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-header .nav{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:900;box-shadow:0 6px 16px rgba(225,29,72,.35)}
.nav-menu{display:flex;gap:6px;margin-left:auto}
.nav-menu a{padding:10px 16px;border-radius:10px;font-size:15px;color:var(--ink-2);font-weight:500;transition:all var(--tr)}
.nav-menu a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-menu a.active{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.nav-cta{padding:10px 22px;border-radius:999px;background:var(--ink);color:#fff;font-weight:600;font-size:14px;transition:transform var(--tr),box-shadow var(--tr)}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,23,42,.25)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:var(--bg);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:10px;width:22px;height:2px;background:var(--ink);border-radius:2px;content:"";display:block}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}

/* Hero */
.hero{position:relative;padding:96px 0 80px;color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(11,15,26,.86),rgba(30,41,59,.78) 55%,rgba(225,29,72,.72)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;z-index:-1}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);font-size:13px;letter-spacing:1px}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:#4ade80}
.hero h1{font-size:52px;font-weight:800;margin:22px 0 20px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#ffe4a2,#fca5a5);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;color:rgba(255,255,255,.85);margin-bottom:28px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:12px;font-weight:600;font-size:15px;transition:all var(--tr)}
.btn-primary{background:#fff;color:var(--ink)}
.btn-primary:hover{transform:translateY(-2px);color:var(--brand);box-shadow:var(--shadow-lg)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff}
.hero-metrics{display:flex;gap:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.15)}
.hero-metrics div strong{display:block;font-size:30px;font-weight:800;color:#fff}
.hero-metrics div span{font-size:13px;color:rgba(255,255,255,.7)}
.hero-visual{position:relative}
.hero-poster{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);transform:rotate(-2deg);border:6px solid rgba(255,255,255,.1)}
.hero-poster img{width:100%;height:420px;object-fit:cover}
.hero-badge{position:absolute;bottom:-18px;left:-24px;background:#fff;color:var(--ink);padding:14px 20px;border-radius:14px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px}
.hero-badge b{display:block;font-size:15px}
.hero-badge span{font-size:12px;color:var(--muted)}
.hero-badge .dot{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#fbbf24,#f97316);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}

/* Sections */
section{padding:88px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-tag{display:inline-block;padding:5px 14px;background:var(--brand-soft);color:var(--brand);border-radius:999px;font-size:13px;font-weight:600;margin-bottom:14px;letter-spacing:.5px}
.section-head h2{font-size:38px;font-weight:800;letter-spacing:-.3px;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}

/* Categories grid (剧集分类) */
.genre-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.genre-card{background:#fff;border-radius:var(--radius);padding:26px 22px;border:1px solid var(--line);transition:all var(--tr);position:relative;overflow:hidden}
.genre-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transform:scaleX(0);transform-origin:left;transition:transform var(--tr)}
.genre-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.genre-card:hover::before{transform:scaleX(1)}
.genre-icon{width:52px;height:52px;border-radius:14px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin-bottom:18px}
.genre-card h3{font-size:18px;margin-bottom:10px}
.genre-card p{color:var(--muted);font-size:14px;line-height:1.65}
.genre-card .genre-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.genre-tags span{padding:3px 10px;border-radius:999px;background:var(--bg);font-size:12px;color:var(--muted)}

/* Poster showcase */
.showcase{background:linear-gradient(180deg,#fff,#f1f5f9)}
.poster-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.poster-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--tr)}
.poster-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.poster-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.poster-card:hover .poster-media img{transform:scale(1.06)}
.poster-media .rating{position:absolute;top:14px;left:14px;background:rgba(0,0,0,.75);color:#fbbf24;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}
.poster-media .status{position:absolute;top:14px;right:14px;background:var(--brand);color:#fff;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}
.poster-body{padding:22px}
.poster-body .poster-meta{display:flex;gap:10px;font-size:12px;color:var(--muted);margin-bottom:10px}
.poster-body .poster-meta span{padding:2px 8px;background:var(--bg);border-radius:6px}
.poster-body h3{font-size:19px;margin-bottom:8px}
.poster-body p{font-size:14px;color:var(--muted);margin-bottom:16px}
.poster-body .poster-cta{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px}
.poster-body .poster-cta::after{content:"→";transition:transform var(--tr)}
.poster-body .poster-cta:hover::after{transform:translateX(4px)}

/* Watch benefits */
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.benefit-card{padding:32px 28px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}
.benefit-num{font-size:15px;font-weight:800;color:var(--brand);letter-spacing:2px;margin-bottom:12px}
.benefit-card h3{font-size:20px;margin-bottom:12px}
.benefit-card p{color:var(--muted);font-size:15px}
.benefit-card ul{margin-top:18px}
.benefit-card li{padding:8px 0;border-bottom:1px dashed var(--line);color:var(--ink-2);font-size:14px;display:flex;align-items:center;gap:10px}
.benefit-card li:last-child{border-bottom:none}
.benefit-card li::before{content:"✓";width:20px;height:20px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}

/* Scenes / who fit */
.scenes{background:var(--dark);color:#fff}
.scenes .section-head h2{color:#fff}
.scenes .section-head p{color:rgba(255,255,255,.65)}
.scenes .section-tag{background:rgba(225,29,72,.2);color:#fca5a5}
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{background:var(--dark-2);border-radius:var(--radius);padding:32px;border:1px solid rgba(255,255,255,.08);position:relative;overflow:hidden;transition:all var(--tr)}
.scene-card:hover{border-color:var(--brand);transform:translateY(-4px)}
.scene-card .scene-num{position:absolute;top:20px;right:24px;font-size:56px;font-weight:900;color:rgba(255,255,255,.06);letter-spacing:-2px}
.scene-card h3{color:#fff;font-size:22px;margin-bottom:14px}
.scene-card p{color:rgba(255,255,255,.7);font-size:15px;line-height:1.75}
.scene-card .scene-tag{display:inline-block;margin-top:18px;padding:4px 12px;background:rgba(225,29,72,.15);color:#fca5a5;border-radius:999px;font-size:12px}

/* Process */
.process{background:linear-gradient(180deg,#fff,var(--brand-soft))}
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step-item{background:#fff;border-radius:var(--radius);padding:28px 22px;position:relative;box-shadow:var(--shadow-sm)}
.step-item .step-no{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;margin-bottom:16px}
.step-item h3{font-size:17px;margin-bottom:10px}
.step-item p{color:var(--muted);font-size:14px;line-height:1.7}

/* Compare table */
.compare-wrap{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.compare{width:100%;border-collapse:collapse}
.compare th,.compare td{padding:18px 22px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
.compare thead th{background:var(--bg);color:var(--ink);font-weight:700;font-size:14px;letter-spacing:.5px}
.compare tbody tr:last-child td{border-bottom:none}
.compare tbody tr:hover{background:#fafbfd}
.compare .yes{color:#059669;font-weight:600}
.compare .no{color:#94a3b8}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:14px;border:1px solid var(--line);overflow:hidden;transition:all var(--tr)}
.faq-item:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.faq-q{padding:22px 28px;font-weight:600;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
.faq-q::after{content:"+";font-size:24px;font-weight:400;color:var(--brand);transition:transform var(--tr)}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 28px;color:var(--muted);font-size:15px}
.faq-item.open .faq-a{max-height:400px;padding:0 28px 22px}

/* CTA */
.cta{padding:80px 0}
.cta-inner{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-radius:var(--radius-lg);padding:64px 48px;color:#fff;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.cta-inner::before{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.1)}
.cta-inner::after{content:"";position:absolute;left:-60px;bottom:-100px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-inner h2{font-size:34px;font-weight:800;margin-bottom:14px;position:relative}
.cta-inner p{opacity:.9;margin-bottom:24px;position:relative;font-size:16px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;position:relative}
.cta-form input{flex:1;min-width:220px;padding:14px 18px;border-radius:12px;border:none;font-size:15px;outline:none;font-family:inherit}
.cta-form button{padding:14px 26px;border-radius:12px;background:var(--ink);color:#fff;font-weight:600;font-size:15px;transition:transform var(--tr)}
.cta-form button:hover{transform:translateY(-2px)}
.cta-side{position:relative}
.cta-side ul li{padding:10px 0;font-size:15px;display:flex;gap:10px;align-items:flex-start}
.cta-side ul li::before{content:"◆";color:#fff;font-size:10px;padding-top:6px}

/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px}
.site-footer .logo{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:44px;margin-bottom:44px}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.6)}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;transition:all var(--tr)}
.footer-social a:hover{background:var(--brand);transform:translateY(-2px)}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-col ul li{padding:5px 0;font-size:14px;color:rgba(255,255,255,.65)}
.footer-col ul li a{color:inherit}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{padding-top:26px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.7)}

/* Responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:42px}
  .genre-grid,.step-list{grid-template-columns:repeat(2,1fr)}
  .poster-grid,.benefits-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;padding:48px 32px}
}
@media (max-width:768px){
  section{padding:64px 0}
  .hero{padding:64px 0 56px}
  .hero h1{font-size:34px}
  .section-head h2{font-size:28px}
  .nav-menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px}
  .nav-toggle{display:block;margin-left:auto}
  .nav-cta{display:none}
  .scene-grid{grid-template-columns:1fr}
  .compare{font-size:13px}
  .compare th,.compare td{padding:12px 14px}
  .hero-metrics{gap:20px;flex-wrap:wrap}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:28px}
  .genre-grid,.step-list,.poster-grid,.benefits-grid,.footer-grid{grid-template-columns:1fr}
  .hero-poster img{height:280px}
  .section-head h2{font-size:24px}
  .cta-inner h2{font-size:24px}
}