/* roulang page: index */
:root{
  --c-bg:#0b0710;
  --c-bg-2:#140b1c;
  --c-surface:#1a1024;
  --c-surface-2:#211430;
  --c-border:rgba(255,255,255,.08);
  --c-border-2:rgba(255,255,255,.14);
  --c-text:#f4eef8;
  --c-text-dim:#b7a9c6;
  --c-text-mute:#7d6e8d;
  --c-primary:#ff2f6e;
  --c-primary-2:#ff6a9a;
  --c-accent:#8b5cff;
  --c-accent-2:#22d3ee;
  --c-gold:#ffcf5c;
  --grad-hero:linear-gradient(135deg,rgba(255,47,110,.85) 0%,rgba(139,92,255,.75) 55%,rgba(34,211,238,.55) 100%);
  --grad-btn:linear-gradient(135deg,#ff2f6e 0%,#ff6a9a 60%,#ff9d7d 100%);
  --grad-card:linear-gradient(180deg,rgba(255,255,255,.04) 0%,rgba(255,255,255,0) 100%);
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.25);
  --shadow:0 12px 40px rgba(0,0,0,.4);
  --shadow-hover:0 20px 60px rgba(255,47,110,.25);
  --sp-1:8px;
  --sp-2:14px;
  --sp-3:22px;
  --sp-4:34px;
  --sp-5:56px;
  --sp-6:80px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","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;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-2)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(11,7,16,.75);
  border-bottom:1px solid var(--c-border);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:18px;letter-spacing:.5px;
  color:#fff;
}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--grad-btn);
  display:grid;place-items:center;
  box-shadow:0 6px 20px rgba(255,47,110,.45);
  font-size:18px;color:#fff;font-weight:900;
}
.logo-text{white-space:nowrap}
.logo-text small{display:block;font-size:10px;font-weight:500;color:var(--c-text-mute);letter-spacing:2px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:9px 16px;border-radius:999px;
  font-size:14.5px;color:var(--c-text-dim);
  transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-links a.active{color:#fff;background:rgba(255,47,110,.18);box-shadow:inset 0 0 0 1px rgba(255,47,110,.35)}
.nav-cta{
  padding:10px 22px;border-radius:999px;
  background:var(--grad-btn);color:#fff;font-weight:600;font-size:14.5px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{transform:translateY(-1px);color:#fff;box-shadow:var(--shadow-hover)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.06);align-items:center;justify-content:center}
.menu-toggle span{display:block;width:20px;height:2px;background:#fff;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* HERO */
.hero{
  position:relative;
  padding:96px 0 120px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  filter:brightness(.35) saturate(1.2);
  z-index:-2;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1200px 500px at 20% 20%,rgba(255,47,110,.35),transparent 70%),
             radial-gradient(900px 500px at 90% 80%,rgba(139,92,255,.35),transparent 70%),
             linear-gradient(180deg,rgba(11,7,16,.4) 0%,rgba(11,7,16,.95) 100%);
  z-index:-1;
}
.hero-inner{max-width:960px;margin:0 auto;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  font-size:13px;color:#fff;margin-bottom:26px;
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 12px #4ade80}
.hero h1{
  font-size:clamp(30px,5.2vw,58px);
  line-height:1.15;
  background:linear-gradient(180deg,#fff 0%,#ffd1e2 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:22px;
}
.hero p.lead{
  font-size:18px;color:var(--c-text-dim);
  max-width:720px;margin:0 auto 36px;
}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-weight:600;font-size:15px;
  transition:all .25s ease;
  cursor:pointer;
}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:#fff}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.18)}
.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:64px;padding:28px;
  background:rgba(255,255,255,.04);border:1px solid var(--c-border);
  border-radius:var(--radius-lg);backdrop-filter:blur(10px);
}
.hero-stats .stat{text-align:center}
.hero-stats .num{font-size:32px;font-weight:800;color:#fff;letter-spacing:.5px}
.hero-stats .num span{color:var(--c-primary-2)}
.hero-stats .label{font-size:13px;color:var(--c-text-mute);margin-top:6px}

/* SECTION BASE */
section{padding:var(--sp-6) 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:3px;
  color:var(--c-primary-2);font-weight:600;text-transform:uppercase;
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:16px}
.section-head p{color:var(--c-text-dim);font-size:16px}

/* FEATURES */
.features-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.feature{
  padding:32px 28px;border-radius:var(--radius-lg);
  background:var(--c-surface);
  border:1px solid var(--c-border);
  transition:all .3s ease;
  position:relative;overflow:hidden;
}
.feature::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-btn);opacity:0;transition:opacity .3s;
}
.feature:hover{transform:translateY(-6px);border-color:var(--c-border-2);box-shadow:var(--shadow)}
.feature:hover::before{opacity:1}
.feature-ic{
  width:56px;height:56px;border-radius:16px;
  background:linear-gradient(135deg,rgba(255,47,110,.2),rgba(139,92,255,.2));
  display:grid;place-items:center;margin-bottom:20px;
  font-size:26px;
  border:1px solid rgba(255,47,110,.3);
}
.feature h3{font-size:19px;margin-bottom:10px;color:#fff}
.feature p{color:var(--c-text-dim);font-size:14.5px;line-height:1.75}

/* CATEGORY SHOWCASE */
.cat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.cat-card{
  position:relative;border-radius:var(--radius-lg);
  overflow:hidden;aspect-ratio:3/4;
  border:1px solid var(--c-border);
  transition:transform .35s ease,box-shadow .35s ease;
}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,7,16,0) 30%,rgba(11,7,16,.9) 100%);
}
.cat-card .cat-inner{
  position:absolute;left:0;right:0;bottom:0;padding:22px;z-index:2;
}
.cat-card .cat-tag{
  display:inline-block;padding:4px 10px;font-size:11.5px;
  background:rgba(255,47,110,.9);border-radius:6px;color:#fff;
  margin-bottom:10px;letter-spacing:1px;
}
.cat-card h3{font-size:19px;color:#fff;margin-bottom:6px}
.cat-card p{font-size:13px;color:rgba(255,255,255,.75);line-height:1.55}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.cat-card:hover img{transform:scale(1.08)}

/* HIGHLIGHT / IMG SPLIT */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.split-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:5/4;box-shadow:var(--shadow);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media::before{
  content:"";position:absolute;top:-40px;right:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,47,110,.5),transparent 70%);z-index:2;
}
.split h2{font-size:clamp(26px,3vw,38px);margin-bottom:20px}
.split .lead{color:var(--c-text-dim);font-size:16px;margin-bottom:26px}
.check-list{display:grid;gap:14px}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--radius);
  background:rgba(255,255,255,.03);border:1px solid var(--c-border);
}
.check-list .tick{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,#4ade80,#22d3ee);
  display:grid;place-items:center;color:#0b0710;font-weight:900;font-size:14px;
}
.check-list strong{display:block;color:#fff;font-size:15.5px;margin-bottom:2px}
.check-list span{color:var(--c-text-dim);font-size:14px}

/* STEPS */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  counter-reset:step;
}
.step{
  padding:30px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,47,110,.08),rgba(139,92,255,.03));
  border:1px solid var(--c-border);
  position:relative;
}
.step .n{
  font-size:44px;font-weight:900;line-height:1;
  background:var(--grad-btn);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;display:block;
}
.step h4{font-size:17px;color:#fff;margin-bottom:8px}
.step p{color:var(--c-text-dim);font-size:14px}

/* LATEST LIST (CMS) */
.latest-wrap{display:grid;grid-template-columns:2fr 1fr;gap:28px}
.latest-main{display:grid;gap:18px}
.post-card{
  display:grid;grid-template-columns:200px 1fr;gap:22px;
  padding:20px;border-radius:var(--radius-lg);
  background:var(--c-surface);border:1px solid var(--c-border);
  transition:all .3s ease;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--c-border-2);box-shadow:var(--shadow)}
.post-thumb{
  position:relative;border-radius:12px;overflow:hidden;
  aspect-ratio:4/3;background:#000;
}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-thumb .play{
  position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.5));
  color:#fff;
}
.post-thumb .play svg{width:44px;height:44px;filter:drop-shadow(0 4px 14px rgba(0,0,0,.6))}
.post-body{display:flex;flex-direction:column;justify-content:center}
.post-meta{display:flex;gap:14px;font-size:12.5px;color:var(--c-text-mute);margin-bottom:8px;align-items:center}
.post-meta .tag{
  padding:3px 10px;background:rgba(255,47,110,.15);color:var(--c-primary-2);
  border-radius:6px;font-weight:500;
}
.post-body h3{font-size:18px;color:#fff;margin-bottom:8px;line-height:1.4}
.post-body h3 a:hover{color:var(--c-primary-2)}
.post-body p{color:var(--c-text-dim);font-size:14px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body .read{margin-top:12px;font-size:13.5px;color:var(--c-primary-2);font-weight:600}
.post-body .read:hover{color:#fff}
.empty-note{
  padding:40px;text-align:center;color:var(--c-text-mute);
  background:var(--c-surface);border-radius:var(--radius-lg);border:1px dashed var(--c-border-2);
}

.side-block{
  padding:26px;border-radius:var(--radius-lg);
  background:var(--c-surface);border:1px solid var(--c-border);
  margin-bottom:22px;
}
.side-block h4{font-size:16px;margin-bottom:16px;color:#fff;display:flex;align-items:center;gap:10px}
.side-block h4::before{content:"";width:4px;height:16px;background:var(--grad-btn);border-radius:3px}
.hot-list li{
  display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--c-border);
  align-items:center;
}
.hot-list li:last-child{border-bottom:0}
.hot-list .rk{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;
  background:rgba(255,255,255,.07);color:var(--c-text-dim);
  display:grid;place-items:center;font-size:12px;font-weight:700;
}
.hot-list li:nth-child(1) .rk{background:var(--grad-btn);color:#fff}
.hot-list li:nth-child(2) .rk{background:linear-gradient(135deg,#ff6a9a,#ffcf5c);color:#fff}
.hot-list li:nth-child(3) .rk{background:linear-gradient(135deg,#ffcf5c,#22d3ee);color:#fff}
.hot-list a{font-size:14px;color:var(--c-text-dim);flex:1}
.hot-list a:hover{color:#fff}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  padding:6px 12px;border-radius:6px;
  background:rgba(255,255,255,.05);border:1px solid var(--c-border);
  font-size:12.5px;color:var(--c-text-dim);
}
.tag-cloud a:hover{background:rgba(255,47,110,.18);color:#fff;border-color:rgba(255,47,110,.4)}

/* TESTIMONIAL */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice{
  padding:28px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,var(--c-surface),var(--c-surface-2));
  border:1px solid var(--c-border);position:relative;
}
.voice::before{
  content:"”";position:absolute;top:12px;right:22px;
  font-size:80px;line-height:1;color:rgba(255,47,110,.15);font-family:Georgia,serif;
}
.voice p{color:var(--c-text-dim);font-size:14.5px;line-height:1.8;margin-bottom:18px}
.voice .who{display:flex;align-items:center;gap:12px}
.voice .avatar{
  width:42px;height:42px;border-radius:50%;
  background:var(--grad-btn);display:grid;place-items:center;color:#fff;font-weight:700;
}
.voice .who strong{display:block;color:#fff;font-size:14.5px}
.voice .who span{color:var(--c-text-mute);font-size:12.5px}
.voice .stars{color:var(--c-gold);font-size:14px;margin-bottom:12px}

/* FAQ */
.faq{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq details{
  border-radius:var(--radius);
  background:var(--c-surface);border:1px solid var(--c-border);
  overflow:hidden;transition:border-color .3s;
}
.faq details[open]{border-color:rgba(255,47,110,.4)}
.faq summary{
  padding:22px 24px;font-size:16px;font-weight:600;color:#fff;
  cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:24px;font-weight:400;color:var(--c-primary-2);
  transition:transform .3s;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 24px 22px;color:var(--c-text-dim);font-size:14.5px;line-height:1.85}

/* CTA */
.cta{
  position:relative;padding:80px 0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat fixed;
  overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(255,47,110,.9),rgba(139,92,255,.8));
  mix-blend-mode:multiply;
}
.cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,7,16,.5),rgba(11,7,16,.85));
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto}
.cta h2{font-size:clamp(28px,3.6vw,42px);color:#fff;margin-bottom:16px}
.cta p{color:rgba(255,255,255,.85);font-size:17px;margin-bottom:30px}
.cta .btn-primary{background:#fff;color:#1a0a1a}
.cta .btn-primary:hover{background:#ffd1e2;color:#1a0a1a}
.cta .btn-ghost{border-color:rgba(255,255,255,.4)}

/* FOOTER */
.site-footer{
  background:#08050c;border-top:1px solid var(--c-border);
  padding:64px 0 24px;color:var(--c-text-dim);font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:44px;border-bottom:1px solid var(--c-border);
}
.footer-brand p{margin-top:16px;color:var(--c-text-mute);font-size:13.5px;line-height:1.8}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.5px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:var(--c-text-dim);font-size:13.5px}
.footer-col ul a:hover{color:var(--c-primary-2)}
.footer-bottom{
  padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  font-size:12.5px;color:var(--c-text-mute);
}
.age-note{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;background:rgba(255,47,110,.12);border:1px solid rgba(255,47,110,.3);
  border-radius:6px;color:var(--c-primary-2);font-size:12px;
}

/* RESPONSIVE */
@media (max-width:1024px){
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .voice-grid{grid-template-columns:1fr;gap:16px}
  .latest-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .nav{height:64px}
  .nav-links,.nav-cta{display:none}
  .menu-toggle{display:flex}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;top:64px;left:0;right:0;
    background:rgba(11,7,16,.98);backdrop-filter:blur(14px);
    padding:16px 24px;border-bottom:1px solid var(--c-border);
    gap:6px;
  }
  .nav-links.open a{padding:12px 14px;border-radius:10px}
  section{padding:64px 0}
  .hero{padding:64px 0 80px}
  .hero-stats{margin-top:44px;padding:20px;gap:14px}
  .hero-stats .num{font-size:24px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .features-grid,.cat-grid,.steps{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .post-card{grid-template-columns:1fr}
  .post-thumb{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
}

/* roulang page: article */
:root{
  --c-bg:#0b0710;
  --c-bg-2:#140a1c;
  --c-surface:#1a1024;
  --c-surface-2:#231532;
  --c-line:#2f1c40;
  --c-line-2:#3d2455;
  --c-text:#f4ecff;
  --c-text-2:#c9b7de;
  --c-muted:#8f7ba6;
  --c-primary:#ff2e7e;
  --c-primary-2:#ff6a3d;
  --c-accent:#a34bff;
  --c-gold:#ffcb5c;
  --c-ok:#3ddc97;
  --c-warn:#ff5c78;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-xl:30px;
  --sh-1:0 6px 20px rgba(255,46,126,.15);
  --sh-2:0 18px 48px rgba(30,10,50,.55);
  --grad-1:linear-gradient(135deg,#ff2e7e 0%,#a34bff 55%,#ff6a3d 100%);
  --grad-2:linear-gradient(135deg,#231532 0%,#1a1024 100%);
  --grad-hero:linear-gradient(135deg,rgba(11,7,16,.85) 0%,rgba(35,15,60,.75) 60%,rgba(255,46,126,.35) 100%);
  --f-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--f-sans);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-text);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
button{font-family:inherit;cursor:pointer;border:0}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:.5px}
p{margin:0 0 14px}
::selection{background:var(--c-primary);color:#fff}
.container{width:min(1200px,92%);margin:0 auto}

/* AGE */
.age-bar{
  background:linear-gradient(90deg,#3a0a1c,#1a0714);
  color:#ffb4c6;
  font-size:13px;
  text-align:center;
  padding:8px 14px;
  border-bottom:1px solid #3a1a2a;
}
.age-bar strong{color:#ff89a5}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,7,16,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;gap:24px;
}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:44px;height:44px;border-radius:12px;
  background:var(--grad-1);
  display:grid;place-items:center;
  color:#fff;font-weight:900;font-size:22px;
  box-shadow:var(--sh-1);
}
.logo-text{
  display:flex;flex-direction:column;line-height:1.1;
  font-weight:800;font-size:17px;color:var(--c-text);
}
.logo-text small{
  font-size:10px;letter-spacing:2px;color:var(--c-muted);font-weight:500;margin-top:3px;
}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{
  padding:9px 16px;border-radius:999px;
  font-size:14.5px;color:var(--c-text-2);
  transition:all .25s ease;
  position:relative;
}
.nav-links a:hover{color:#fff;background:rgba(255,46,126,.1)}
.nav-links a.active{
  color:#fff;background:var(--grad-1);
  box-shadow:var(--sh-1);
}
.header-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 18px;border-radius:999px;
  background:var(--grad-1);color:#fff;font-weight:700;
  font-size:14px;box-shadow:var(--sh-1);
  transition:transform .2s ease;
}
.header-cta:hover{color:#fff;transform:translateY(-2px)}
.nav-toggle{display:none;background:none;color:var(--c-text);font-size:24px;padding:6px 10px}

/* ARTICLE HERO */
.article-hero{
  position:relative;
  padding:70px 0 90px;
  background:
    var(--grad-hero),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 80% 20%,rgba(163,75,255,.35),transparent 55%);
  pointer-events:none;
}
.crumb{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-size:13px;color:var(--c-text-2);
  margin-bottom:22px;position:relative;z-index:2;
}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{color:var(--c-muted)}
.crumb .now{color:#fff}

.article-head{position:relative;z-index:2;max-width:900px}
.article-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,46,126,.15);
  border:1px solid rgba(255,46,126,.4);
  color:#ffb4c6;font-size:13px;font-weight:600;
  margin-bottom:18px;
}
.article-tag::before{content:"🎬"}
.article-title{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.25;letter-spacing:.5px;
  color:#fff;
  text-shadow:0 4px 24px rgba(0,0,0,.4);
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:22px;
  margin-top:24px;color:var(--c-text-2);font-size:14px;
}
.article-meta .m{display:inline-flex;align-items:center;gap:6px}
.article-meta .m strong{color:#fff;font-weight:600}
.article-meta .dot{width:6px;height:6px;background:var(--c-primary);border-radius:50%;display:inline-block}

/* MAIN LAYOUT */
.article-main{padding:60px 0 30px;background:var(--c-bg)}
.article-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;align-items:flex-start;
}

/* CONTENT CARD */
.content-card{
  background:var(--grad-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:44px 48px;
  box-shadow:var(--sh-2);
}
.content-notice{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 20px;border-radius:var(--r-md);
  background:rgba(255,203,92,.08);
  border:1px solid rgba(255,203,92,.25);
  color:#ffe0a3;font-size:13.5px;
  margin-bottom:32px;
}
.content-notice .ico{font-size:20px;flex-shrink:0}

.cms-content{color:var(--c-text-2);font-size:16px;line-height:1.9}
.cms-content h1,.cms-content h2,.cms-content h3,.cms-content h4{
  color:#fff;margin:32px 0 16px;line-height:1.4;
}
.cms-content h1{font-size:28px}
.cms-content h2{
  font-size:24px;padding-left:14px;
  border-left:4px solid var(--c-primary);
}
.cms-content h3{font-size:20px;color:#ffb4c6}
.cms-content p{margin:0 0 18px}
.cms-content a{color:var(--c-primary);border-bottom:1px dashed rgba(255,46,126,.4)}
.cms-content a:hover{color:var(--c-primary-2);border-bottom-color:var(--c-primary-2)}
.cms-content ul,.cms-content ol{margin:0 0 20px;padding-left:22px}
.cms-content ul li,.cms-content ol li{margin-bottom:8px;list-style:disc}
.cms-content ol li{list-style:decimal}
.cms-content img{
  width:100%;height:auto;border-radius:var(--r-md);
  margin:22px 0;border:1px solid var(--c-line);
}
.cms-content blockquote{
  margin:22px 0;padding:16px 22px;
  border-left:4px solid var(--c-accent);
  background:rgba(163,75,255,.08);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-text);font-style:normal;
}
.cms-content code{
  background:rgba(255,46,126,.12);
  color:#ffb4c6;padding:2px 8px;
  border-radius:6px;font-size:14px;
}
.cms-content strong{color:#fff}
.cms-content table{
  width:100%;border-collapse:collapse;margin:20px 0;
  border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;
}
.cms-content th,.cms-content td{
  padding:12px 14px;border-bottom:1px solid var(--c-line);
  text-align:left;font-size:14.5px;
}
.cms-content th{background:var(--c-surface-2);color:#fff}

.not-found{
  text-align:center;padding:60px 20px;color:var(--c-text-2);
}
.not-found h2{color:#fff;font-size:26px;margin-bottom:12px}
.not-found p{margin-bottom:24px}
.not-found .btn-back{
  display:inline-block;padding:12px 26px;
  background:var(--grad-1);color:#fff;font-weight:700;
  border-radius:999px;box-shadow:var(--sh-1);
}

/* TAG STRIP */
.tag-strip{
  margin-top:36px;padding-top:26px;
  border-top:1px dashed var(--c-line);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.tag-strip .lbl{color:var(--c-muted);font-size:14px;margin-right:6px}
.tag-strip a{
  padding:6px 14px;border-radius:999px;
  background:rgba(163,75,255,.12);
  border:1px solid rgba(163,75,255,.3);
  font-size:13px;color:#d9c4ff;
}
.tag-strip a:hover{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}

/* SHARE */
.share-box{
  margin-top:26px;padding:20px 24px;
  background:rgba(255,46,126,.06);
  border:1px solid rgba(255,46,126,.2);
  border-radius:var(--r-md);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
}
.share-box .txt strong{color:#fff;display:block;font-size:16px;margin-bottom:4px}
.share-box .txt span{color:var(--c-text-2);font-size:13.5px}
.share-btns{display:flex;gap:10px}
.share-btns a{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-surface-2);border:1px solid var(--c-line);
  font-size:16px;transition:all .2s;
}
.share-btns a:hover{background:var(--grad-1);border-color:transparent;transform:translateY(-2px)}

/* SIDEBAR */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px}
.side-card{
  background:var(--grad-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:24px 22px;
}
.side-title{
  font-size:16px;color:#fff;margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.side-title::before{
  content:"";width:4px;height:16px;
  background:var(--grad-1);border-radius:2px;
}
.side-download{
  padding:26px 22px;
  background:
    linear-gradient(135deg,rgba(255,46,126,.18),rgba(163,75,255,.15)),
    url('/assets/images/coverpic/cover-3.webp') center/cover;
  border:1px solid rgba(255,46,126,.35);
}
.side-download h4{color:#fff;font-size:20px;margin-bottom:8px;line-height:1.35}
.side-download p{color:#ffd7e4;font-size:13.5px;margin-bottom:16px}
.side-download .btn-dl{
  display:block;text-align:center;padding:12px 16px;
  background:#fff;color:#c1005c;font-weight:800;font-size:14.5px;
  border-radius:999px;box-shadow:0 8px 22px rgba(0,0,0,.35);
}
.side-download .btn-dl:hover{color:#8f0043;transform:translateY(-2px)}
.side-download .os{
  display:flex;justify-content:center;gap:14px;margin-top:14px;
  font-size:12px;color:#ffd7e4;
}

.side-list{display:flex;flex-direction:column;gap:14px}
.side-item{
  display:flex;gap:12px;align-items:flex-start;
  padding-bottom:14px;border-bottom:1px dashed var(--c-line);
}
.side-item:last-child{border-bottom:0;padding-bottom:0}
.side-item .num{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  background:var(--grad-1);color:#fff;font-weight:800;
  display:grid;place-items:center;font-size:13px;
}
.side-item .info h5{
  color:#fff;font-size:14px;font-weight:600;line-height:1.5;margin-bottom:4px;
}
.side-item .info h5 a{color:#fff}
.side-item .info h5 a:hover{color:var(--c-primary)}
.side-item .info span{color:var(--c-muted);font-size:12px}

.side-cat a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:10px;
  background:rgba(163,75,255,.08);
  border:1px solid transparent;
  margin-bottom:8px;font-size:14px;color:var(--c-text-2);
}
.side-cat a:hover{background:rgba(255,46,126,.12);border-color:rgba(255,46,126,.3);color:#fff}
.side-cat a .arr{color:var(--c-primary);font-size:14px}

.side-stat{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.side-stat .s{
  padding:14px;border-radius:12px;
  background:rgba(255,46,126,.08);
  border:1px solid var(--c-line);
  text-align:center;
}
.side-stat .s b{
  display:block;font-size:22px;color:#fff;font-weight:800;
  background:var(--grad-1);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.side-stat .s span{color:var(--c-muted);font-size:12px}

/* RELATED */
.related-section{padding:60px 0;background:var(--c-bg-2)}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  flex-wrap:wrap;gap:16px;margin-bottom:34px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);color:#fff;
}
.section-head p{color:var(--c-text-2);font-size:14.5px;margin:6px 0 0}
.section-head .more{
  color:var(--c-primary);font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:4px;
}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.rel-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;
  transition:all .3s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{
  transform:translateY(-4px);
  border-color:var(--c-primary);
  box-shadow:var(--sh-1);
}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.rel-card:hover .rel-thumb img{transform:scale(1.06)}
.rel-thumb .badge{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:6px;
  background:rgba(255,46,126,.9);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:1px;
}
.rel-thumb .dur{
  position:absolute;bottom:10px;right:10px;
  padding:3px 8px;border-radius:6px;
  background:rgba(0,0,0,.7);color:#fff;font-size:11px;font-weight:600;
}
.rel-body{padding:18px 20px;flex:1;display:flex;flex-direction:column}
.rel-body h3{
  font-size:16px;color:#fff;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  color:var(--c-muted);font-size:13px;line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-foot{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:14px;padding-top:12px;border-top:1px dashed var(--c-line);
  font-size:12px;color:var(--c-muted);
}
.rel-foot .cat{color:#ffb4c6;font-weight:600}

/* FAQ */
.faq-section{padding:60px 0;background:var(--c-bg)}
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--grad-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
}
.faq-q{
  padding:20px 24px;color:#fff;font-weight:600;font-size:16px;
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;
  transition:background .2s;
}
.faq-q:hover{background:rgba(255,46,126,.06)}
.faq-q::after{
  content:"+";font-size:24px;color:var(--c-primary);
  transition:transform .3s;flex-shrink:0;
}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  padding:0 24px;color:var(--c-text-2);font-size:14.5px;line-height:1.85;
  transition:all .35s ease;
}
.faq-item.open .faq-a{max-height:400px;padding:0 24px 22px}

/* CTA */
.cta-section{
  padding:70px 0;
  background:
    linear-gradient(135deg,rgba(255,46,126,.85),rgba(163,75,255,.85)),
    url('/assets/images/backpic/back-3.webp') center/cover;
  text-align:center;
}
.cta-section h2{font-size:clamp(24px,3vw,36px);color:#fff;margin-bottom:14px}
.cta-section p{color:#ffe0ec;font-size:15.5px;max-width:640px;margin:0 auto 28px}
.cta-btns{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 32px;border-radius:999px;
  background:#fff;color:#c1005c;font-weight:800;font-size:15px;
  box-shadow:0 12px 32px rgba(0,0,0,.25);
  transition:transform .2s;
}
.btn-primary:hover{transform:translateY(-3px);color:#8f0043}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 32px;border-radius:999px;
  background:rgba(255,255,255,.14);color:#fff;
  border:1.5px solid rgba(255,255,255,.5);
  font-weight:700;font-size:15px;backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:#fff;color:#c1005c}

/* FOOTER */
.site-footer{
  background:#080510;border-top:1px solid var(--c-line);
  padding:60px 0 26px;color:var(--c-text-2);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;margin-bottom:40px;
}
.footer-brand p{font-size:13.5px;line-height:1.85;color:var(--c-text-2);margin-top:16px}
.age-note{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(255,92,120,.14);color:#ff89a5;
  border:1px solid rgba(255,92,120,.3);font-size:12.5px;font-weight:600;
}
.footer-col h5{
  color:#fff;font-size:15px;margin-bottom:16px;
  padding-bottom:10px;border-bottom:1px solid var(--c-line);
}
.footer-col ul li{margin-bottom:10px;font-size:13.5px;color:var(--c-text-2)}
.footer-col ul li a{color:var(--c-text-2)}
.footer-col ul li a:hover{color:var(--c-primary)}
.footer-bottom{
  padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:12.5px;color:var(--c-muted);
}

/* RESPONSIVE */
@media (max-width:1024px){
  .article-grid{grid-template-columns:1fr;gap:32px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;gap:18px}
  .side-card{flex:1 1 260px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .content-card{padding:34px 30px}
}
@media (max-width:768px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:rgba(11,7,16,.98);
    border-top:1px solid var(--c-line);
    padding:10px 5%;gap:2px;
    display:none;
  }
  .nav-links.show{display:flex}
  .nav-links a{padding:12px 14px;border-radius:10px}
  .header-cta{display:none}
  .article-hero{padding:44px 0 60px}
  .article-title{font-size:26px}
  .article-meta{gap:14px;font-size:13px}
  .content-card{padding:24px 20px}
  .cms-content{font-size:15px}
  .cms-content h2{font-size:20px}
  .related-grid{grid-template-columns:1fr}
  .related-section,.faq-section,.cta-section{padding:44px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .sidebar{flex-direction:column}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .logo-text small{display:none}
  .article-title{font-size:22px}
  .share-box{flex-direction:column;align-items:flex-start}
  .btn-primary,.btn-ghost{width:100%;justify-content:center}
}

/* roulang page: category1 */
:root{
  --bg:#0b0710;
  --bg-alt:#140a1c;
  --bg-soft:#1c1128;
  --surface:#1f1330;
  --surface-2:#261a3a;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --text:#f4eefb;
  --text-soft:#c9bcd8;
  --text-mute:#8a7ba0;
  --primary:#ff2e7e;
  --primary-2:#ff6a3d;
  --accent:#8a5cff;
  --accent-2:#00d4ff;
  --gold:#ffcc4d;
  --success:#25d366;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.35);
  --shadow:0 18px 40px -12px rgba(255,46,126,.35);
  --shadow-lg:0 30px 80px -20px rgba(138,92,255,.45);
  --gradient:linear-gradient(135deg,#ff2e7e 0%,#8a5cff 55%,#00d4ff 100%);
  --gradient-warm:linear-gradient(135deg,#ff2e7e 0%,#ff6a3d 100%);
  --gradient-dark:linear-gradient(180deg,rgba(11,7,16,.2) 0%,rgba(11,7,16,.9) 100%);
  --container:1200px;
}
*{box-sizing:border-box}
*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  -webkit-text-size-adjust:100%;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
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;margin:0;padding:0}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:.5px}
p{margin:0}
input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;border-radius:4px}

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

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,7,16,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--gradient-warm);
  display:grid;place-items:center;
  font-size:22px;font-weight:800;color:#fff;
  box-shadow:0 8px 24px -6px rgba(255,46,126,.55);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-weight:800;font-size:17px;letter-spacing:.5px}
.logo-text small{font-size:10px;letter-spacing:3px;color:var(--text-mute);font-weight:500;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;
  padding:10px 16px;border-radius:10px;
  color:var(--text-soft);font-size:14.5px;font-weight:500;
  transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:#fff;background:rgba(255,46,126,.14)}
.nav-links a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  background:var(--gradient-warm);border-radius:2px;
}
.header-cta{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;
  font-size:14px;font-weight:600;letter-spacing:.3px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--gradient-warm);color:#fff;box-shadow:0 10px 24px -8px rgba(255,46,126,.6)}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 14px 30px -8px rgba(255,46,126,.8)}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--border-strong)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-lg{padding:15px 30px;font-size:15px}
.btn-block{width:100%}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);color:#fff;font-size:20px;align-items:center;justify-content:center}

/* age banner */
.age-strip{
  background:linear-gradient(90deg,rgba(255,46,126,.15),rgba(138,92,255,.15));
  border-bottom:1px solid var(--border);
  font-size:12.5px;color:var(--text-soft);
  text-align:center;padding:8px 16px;
}
.age-strip strong{color:var(--gold)}
.age-note{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:rgba(255,46,126,.14);color:#ffb0cc;font-size:12px;font-weight:600}

/* hero */
.category-hero{
  position:relative;
  padding:70px 0 90px;
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(11,7,16,.55),rgba(11,7,16,.92)),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.category-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1200px 500px at 15% 20%,rgba(255,46,126,.35),transparent 60%),
             radial-gradient(900px 500px at 85% 80%,rgba(138,92,255,.35),transparent 60%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-mute);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:var(--text-soft)}
.crumbs a:hover{color:var(--primary)}
.crumbs span.sep{opacity:.5}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--border-strong);font-size:12.5px;color:var(--text-soft);margin-bottom:22px}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.category-hero h1{
  font-size:52px;line-height:1.15;margin-bottom:20px;
  background:linear-gradient(135deg,#ffffff 20%,#ffb0cc 60%,#c8a8ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.category-hero .lead{font-size:17px;color:var(--text-soft);max-width:560px;margin-bottom:32px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:520px;margin-bottom:32px}
.stat-box{padding:16px 18px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid var(--border)}
.stat-box b{display:block;font-size:24px;color:#fff;font-weight:800;margin-bottom:4px}
.stat-box span{font-size:12.5px;color:var(--text-mute)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/5;
  box-shadow:var(--shadow-lg);
  border:1px solid var(--border-strong);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:var(--gradient-dark)}
.hero-visual .badge-live{
  position:absolute;top:20px;left:20px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,46,126,.9);color:#fff;font-size:12px;font-weight:700;
  backdrop-filter:blur(8px);
}
.hero-visual .badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.4s infinite}
.hero-visual .caption{
  position:absolute;left:22px;right:22px;bottom:22px;z-index:3;
  color:#fff;
}
.hero-visual .caption h4{font-size:20px;margin-bottom:8px}
.hero-visual .caption p{font-size:13px;color:rgba(255,255,255,.75)}

/* section base */
section{padding:90px 0;position:relative}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-head .eyebrow{display:inline-block;padding:6px 14px;border-radius:999px;background:rgba(138,92,255,.14);color:#c8a8ff;font-size:12px;font-weight:600;letter-spacing:2px;margin-bottom:16px}
.section-head h2{font-size:38px;line-height:1.25;margin-bottom:16px}
.section-head h2 em{font-style:normal;background:var(--gradient-warm);-webkit-background-clip:text;background-clip:text;color:transparent}
.section-head p{color:var(--text-soft);font-size:15.5px}

/* features grid */
.features{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-alt) 100%)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  padding:30px 26px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  position:relative;overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--gradient-warm);transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(255,46,126,.4);box-shadow:var(--shadow)}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:rgba(255,46,126,.14);color:var(--primary);font-size:22px;margin-bottom:18px}
.feature-card h3{font-size:17px;margin-bottom:10px}
.feature-card p{color:var(--text-soft);font-size:14px}

/* scenes */
.scenes{background:var(--bg-alt);position:relative}
.scenes::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 80% 10%,rgba(0,212,255,.08),transparent);
  pointer-events:none;
}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.scene-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:3/4;border:1px solid var(--border);
  transition:transform .35s ease;
  cursor:pointer;
}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scene-card::after{content:"";position:absolute;inset:0;background:var(--gradient-dark)}
.scene-card:hover{transform:translateY(-6px)}
.scene-card:hover img{transform:scale(1.06)}
.scene-body{position:absolute;left:24px;right:24px;bottom:22px;z-index:2;color:#fff}
.scene-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:rgba(255,46,126,.9);color:#fff;font-size:11.5px;font-weight:600;margin-bottom:12px}
.scene-body h3{font-size:22px;margin-bottom:10px}
.scene-body p{font-size:13.5px;color:rgba(255,255,255,.8);margin-bottom:14px}
.scene-meta{display:flex;gap:14px;font-size:12px;color:rgba(255,255,255,.65)}
.scene-meta span{display:inline-flex;align-items:center;gap:4px}

/* process */
.process{background:linear-gradient(180deg,var(--bg-alt) 0%,var(--bg) 100%)}
.process-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.process-timeline::before{
  content:"";position:absolute;top:34px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,transparent,rgba(255,46,126,.4),rgba(138,92,255,.4),rgba(0,212,255,.4),transparent);
}
.process-step{position:relative;padding:0 6px}
.step-num{
  position:relative;z-index:2;
  width:68px;height:68px;border-radius:50%;
  background:var(--surface);border:2px solid var(--border-strong);
  display:grid;place-items:center;font-size:22px;font-weight:800;color:#fff;
  margin:0 auto 20px;
  box-shadow:0 8px 24px rgba(0,0,0,.35);
}
.process-step:nth-child(1) .step-num{background:var(--gradient-warm);border-color:transparent}
.process-step:nth-child(2) .step-num{background:linear-gradient(135deg,#ff6a3d,#ffcc4d);border-color:transparent}
.process-step:nth-child(3) .step-num{background:linear-gradient(135deg,#8a5cff,#00d4ff);border-color:transparent}
.process-step:nth-child(4) .step-num{background:linear-gradient(135deg,#00d4ff,#25d366);border-color:transparent}
.process-step h4{font-size:17px;text-align:center;margin-bottom:10px}
.process-step p{color:var(--text-soft);font-size:13.5px;text-align:center}

/* library */
.library{background:var(--bg)}
.library-inner{
  position:relative;padding:60px;border-radius:var(--radius-lg);
  background:
    linear-gradient(180deg,rgba(11,7,16,.7),rgba(11,7,16,.85)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border:1px solid var(--border);
  overflow:hidden;
}
.library-inner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(500px 300px at 90% 20%,rgba(255,46,126,.2),transparent);
}
.library-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;z-index:2}
.library-info h2{font-size:34px;margin-bottom:18px;line-height:1.3}
.library-info p{color:var(--text-soft);margin-bottom:24px;font-size:15px}
.library-list{display:grid;gap:12px}
.library-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 16px;border-radius:var(--radius);
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  font-size:14px;color:var(--text-soft);
}
.library-list li b{color:#fff}
.library-list .tick{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--gradient-warm);color:#fff;display:grid;place-items:center;font-size:12px;
}
.library-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.panel-tile{
  padding:22px;border-radius:var(--radius);
  background:rgba(255,255,255,.05);border:1px solid var(--border-strong);
  backdrop-filter:blur(8px);
}
.panel-tile b{display:block;font-size:32px;color:#fff;margin-bottom:4px;background:var(--gradient-warm);-webkit-background-clip:text;background-clip:text;color:transparent}
.panel-tile span{font-size:13px;color:var(--text-soft)}
.panel-tile.tall{grid-row:span 2;background:rgba(255,46,126,.1);border-color:rgba(255,46,126,.3)}
.panel-tile.tall b{font-size:38px}

/* faq */
.faq{background:var(--bg-alt)}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:1000px;margin:0 auto}
.faq-item{
  padding:24px 26px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  transition:border-color .25s ease,transform .25s ease;
}
.faq-item:hover{border-color:rgba(138,92,255,.4);transform:translateY(-2px)}
.faq-item h4{font-size:16px;margin-bottom:10px;display:flex;align-items:flex-start;gap:10px}
.faq-item h4::before{
  content:"Q";flex-shrink:0;
  width:24px;height:24px;border-radius:6px;
  background:var(--gradient-warm);color:#fff;font-size:12px;
  display:grid;place-items:center;font-weight:700;
}
.faq-item p{color:var(--text-soft);font-size:14px;padding-left:34px}

/* cta */
.cta-final{
  padding:100px 0;
  background:
    linear-gradient(135deg,rgba(255,46,126,.18),rgba(138,92,255,.18)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  position:relative;
}
.cta-final::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,7,16,.7),rgba(11,7,16,.85))}
.cta-inner{position:relative;text-align:center;max-width:780px;margin:0 auto;z-index:2}
.cta-inner h2{font-size:42px;margin-bottom:20px;line-height:1.25;background:linear-gradient(135deg,#fff,#ffb0cc);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta-inner p{color:var(--text-soft);font-size:16px;margin-bottom:32px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-tags{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.cta-tags span{padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--border);font-size:12.5px;color:var(--text-soft)}

/* footer */
.site-footer{background:#08050d;border-top:1px solid var(--border);padding:70px 0 30px;color:var(--text-soft)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:50px;margin-bottom:50px}
.footer-brand p{font-size:13.5px;color:var(--text-mute);margin-top:16px;line-height:1.8}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:13.5px;color:var(--text-mute)}
.footer-col a{color:var(--text-mute);transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--border);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  font-size:12.5px;color:var(--text-mute);
}

/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:420px;margin:0 auto}
  .category-hero h1{font-size:42px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .process-timeline{grid-template-columns:repeat(2,1fr);gap:36px}
  .process-timeline::before{display:none}
  .library-grid{grid-template-columns:1fr;gap:36px}
  .library-inner{padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  section{padding:64px 0}
  .container{padding:0 18px}
  .menu-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:74px;left:0;right:0;
    background:rgba(11,7,16,.98);backdrop-filter:blur(20px);
    flex-direction:column;align-items:stretch;
    padding:20px;gap:6px;
    border-bottom:1px solid var(--border);
    transform:translateY(-120%);opacity:0;pointer-events:none;
    transition:transform .3s ease,opacity .3s ease;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{padding:14px 16px;font-size:15px}
  .header-cta .btn-ghost{display:none}
  .category-hero{padding:50px 0 70px}
  .category-hero h1{font-size:34px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .stat-box{padding:12px}
  .stat-box b{font-size:20px}
  .section-head h2{font-size:28px}
  .faq-list{grid-template-columns:1fr}
  .cta-inner h2{font-size:30px}
}
@media (max-width:520px){
  .feature-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .process-timeline{grid-template-columns:1fr}
  .library-panel{grid-template-columns:1fr}
  .panel-tile.tall{grid-row:auto}
  .footer-grid{grid-template-columns:1fr}
  .logo-text{font-size:15px}
  .logo-text small{letter-spacing:2px}
  .hero-cta .btn{flex:1;justify-content:center}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category4 */
:root{
  --c-bg:#0b0714;
  --c-bg-2:#120b22;
  --c-surface:#1a1230;
  --c-surface-2:#231843;
  --c-line:rgba(255,255,255,.08);
  --c-text:#f4eefb;
  --c-mute:#a89fbf;
  --c-primary:#ff2d78;
  --c-primary-2:#ff6a3d;
  --c-accent:#7c5cff;
  --c-live:#ff3b30;
  --c-ok:#3ddc97;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --shadow-lg:0 24px 60px -20px rgba(255,45,120,.35);
  --shadow-md:0 12px 30px -12px rgba(0,0,0,.55);
  --grad-hot:linear-gradient(135deg,#ff2d78 0%,#ff6a3d 60%,#ffb547 100%);
  --grad-cool:linear-gradient(135deg,#7c5cff 0%,#3ddcff 100%);
  --grad-dark:linear-gradient(180deg,rgba(11,7,20,.2) 0%,rgba(11,7,20,.9) 100%);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
button{font-family:inherit;cursor:pointer;border:none}
ul{list-style:none;padding:0;margin:0}
h1,h2,h3,h4,h5{margin:0 0 12px;line-height:1.3;font-weight:700}
p{margin:0 0 12px;color:var(--c-mute)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,7,20,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:24px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  width:44px;height:44px;border-radius:12px;
  background:var(--grad-hot);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:22px;color:#fff;
  box-shadow:var(--shadow-md);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;font-weight:800;font-size:17px}
.logo-text small{font-size:10px;color:var(--c-mute);font-weight:500;letter-spacing:2px;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{
  padding:10px 16px;border-radius:999px;font-size:14px;
  color:var(--c-mute);font-weight:500;
  transition:all .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:#fff;background:var(--grad-hot);box-shadow:0 6px 18px -6px rgba(255,45,120,.6)}
.age-note{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;
  background:rgba(255,59,48,.12);color:#ff8a80;
  font-size:12px;font-weight:600;border:1px solid rgba(255,59,48,.3);
}
.menu-toggle{display:none;background:none;color:#fff;font-size:24px;padding:6px 10px}

/* Hero - 直播频道特色版式 */
.live-hero{
  position:relative;
  padding:70px 0 60px;
  background:
    linear-gradient(120deg,rgba(11,7,20,.85) 0%,rgba(11,7,20,.6) 60%,rgba(11,7,20,.9) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  overflow:hidden;
}
.live-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 30%,rgba(255,45,120,.25),transparent 50%),
             radial-gradient(circle at 80% 70%,rgba(124,92,255,.25),transparent 50%);
  pointer-events:none;
}
.hero-top{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto 40px}
.live-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;
  background:rgba(255,59,48,.15);
  border:1px solid rgba(255,59,48,.4);
  color:#ff8a80;font-size:13px;font-weight:600;
  margin-bottom:20px;
}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:var(--c-live);
  animation:pulse 1.4s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.5;transform:scale(1.3)}
}
.live-hero h1{
  font-size:clamp(30px,4.5vw,52px);
  color:#fff;letter-spacing:-.5px;
  margin-bottom:16px;
}
.live-hero h1 span{
  background:var(--grad-hot);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-lead{font-size:17px;color:#d8cfe8;max-width:640px;margin:0 auto 26px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-weight:700;font-size:15px;
  transition:all .25s ease;
}
.btn-primary{background:var(--grad-hot);color:#fff;box-shadow:var(--shadow-lg)}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 30px 60px -20px rgba(255,45,120,.6)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.15)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}

/* 直播间预览网格 */
.live-preview{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.room-card{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  aspect-ratio:3/4;
  background:var(--c-surface);
  box-shadow:var(--shadow-md);
  transition:transform .3s ease;
  cursor:pointer;
}
.room-card:hover{transform:translateY(-6px)}
.room-card img{width:100%;height:100%;object-fit:cover;border-radius:0}
.room-card::after{
  content:"";position:absolute;inset:0;
  background:var(--grad-dark);
}
.room-tag{
  position:absolute;top:10px;left:10px;z-index:2;
  display:inline-flex;align-items:center;gap:5px;
  padding:5px 10px;border-radius:6px;
  background:var(--c-live);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.5px;
}
.room-viewers{
  position:absolute;top:10px;right:10px;z-index:2;
  padding:4px 9px;border-radius:6px;
  background:rgba(0,0,0,.55);color:#fff;
  font-size:11px;font-weight:600;
}
.room-info{
  position:absolute;left:12px;right:12px;bottom:12px;z-index:2;
}
.room-info h4{font-size:14px;color:#fff;margin-bottom:4px}
.room-info span{font-size:12px;color:#e0d8ef}

/* 通用板块 */
.section{padding:80px 0}
.section-alt{background:var(--c-bg-2)}
.section-head{text-align:center;max-width:720px;margin:0 auto 50px}
.section-tag{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(255,45,120,.12);color:var(--c-primary);
  font-size:12px;font-weight:700;letter-spacing:1px;
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,3.4vw,38px);color:#fff}
.section-head p{font-size:16px}

/* 功能亮点 4宫格 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{
  padding:28px 24px;border-radius:var(--r-md);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  transition:all .25s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,45,120,.4);
  box-shadow:var(--shadow-md);
}
.feature-icon{
  width:52px;height:52px;border-radius:14px;
  background:var(--grad-hot);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;margin-bottom:16px;
}
.feature-icon.cool{background:var(--grad-cool)}
.feature-card h3{font-size:17px;color:#fff;margin-bottom:8px}
.feature-card p{font-size:14px;margin:0}

/* 直播玩法 - 图文左右交错 */
.play-list{display:flex;flex-direction:column;gap:60px}
.play-row{
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
}
.play-row.reverse .play-media{order:2}
.play-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.play-media img{width:100%;height:360px;object-fit:cover;border-radius:0}
.play-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(11,7,20,.85) 100%);
}
.play-badge-overlay{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:8px;
  background:rgba(0,0,0,.5);backdrop-filter:blur(6px);
  color:#fff;font-size:12px;font-weight:600;
}
.play-text .num{
  display:inline-block;font-size:14px;font-weight:800;
  color:var(--c-primary);letter-spacing:2px;margin-bottom:10px;
}
.play-text h3{font-size:26px;color:#fff;margin-bottom:14px}
.play-text p{font-size:15px;margin-bottom:14px}
.play-text ul{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.play-text li{
  display:flex;gap:10px;font-size:14px;color:#d0c7e6;
}
.play-text li::before{
  content:"✓";color:var(--c-primary);font-weight:900;flex-shrink:0;
}

/* 使用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
  padding:32px 26px;border-radius:var(--r-md);
  background:linear-gradient(180deg,var(--c-surface) 0%,var(--c-surface-2) 100%);
  border:1px solid var(--c-line);
  position:relative;overflow:hidden;
}
.scene-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-hot);
}
.scene-emoji{font-size:34px;margin-bottom:14px;display:block}
.scene-card h3{font-size:19px;color:#fff}
.scene-card p{font-size:14px;margin:0}

/* 观影流程 - 步骤条 */
.step-flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;
}
.step-flow::before{
  content:"";position:absolute;top:32px;left:12%;right:12%;height:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  opacity:.3;z-index:0;
}
.step-item{position:relative;z-index:1;text-align:center;padding:0 8px}
.step-num{
  width:64px;height:64px;border-radius:50%;
  background:var(--c-surface);
  border:2px solid var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:900;color:#fff;
  margin:0 auto 18px;
}
.step-item h4{font-size:16px;color:#fff;margin-bottom:6px}
.step-item p{font-size:13px;margin:0}

/* 数据条 */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;
  background:linear-gradient(120deg,#1a1230 0%,#231843 100%);
  border-radius:var(--r-lg);
  padding:32px;
  border:1px solid var(--c-line);
}
.stats-bar > div{
  text-align:center;
  border-right:1px solid rgba(255,255,255,.08);
  padding:0 16px;
}
.stats-bar > div:last-child{border-right:none}
.stat-num{
  font-size:36px;font-weight:800;
  background:var(--grad-hot);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1;
}
.stat-label{font-size:13px;color:var(--c-mute);margin-top:8px;display:block}

/* FAQ */
.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;
}
.faq-item summary{
  padding:20px 26px;font-weight:600;color:#fff;font-size:16px;
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--c-primary);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item div{padding:0 26px 22px;color:var(--c-mute);font-size:14px}

/* CTA */
.cta-section{
  padding:80px 0;
  background:
    linear-gradient(120deg,rgba(11,7,20,.75),rgba(11,7,20,.85)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  text-align:center;
}
.cta-inner{max-width:720px;margin:0 auto}
.cta-inner h2{font-size:clamp(24px,3vw,36px);color:#fff}
.cta-inner p{font-size:16px;margin-bottom:26px}

/* Footer */
.site-footer{
  background:#080510;padding:60px 0 24px;
  border-top:1px solid var(--c-line);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid var(--c-line);
}
.footer-brand p{font-size:13px;line-height:1.7;margin-top:14px}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col li,.footer-col a{font-size:13px;color:var(--c-mute)}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:22px;font-size:12px;color:var(--c-mute);flex-wrap:wrap;gap:10px;
}

/* 响应式 */
@media (max-width:1024px){
  .live-preview{grid-template-columns:repeat(3,1fr)}
  .live-preview .room-card:nth-child(4){display:none}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .step-flow{grid-template-columns:repeat(2,1fr);gap:36px}
  .step-flow::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .menu-toggle{display:block}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:rgba(11,7,20,.98);
    padding:16px;gap:6px;border-bottom:1px solid var(--c-line);
  }
  .nav-links.open{display:flex}
  .site-header{position:relative}
  .header-inner{position:relative}
  .live-hero{padding:50px 0 40px}
  .section{padding:60px 0}
  .live-preview{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .play-row{grid-template-columns:1fr;gap:24px}
  .play-row.reverse .play-media{order:0}
  .play-media img{height:240px}
  .stats-bar{grid-template-columns:repeat(2,1fr);gap:24px 0;padding:24px}
  .stats-bar > div:nth-child(2){border-right:none}
  .stats-bar > div{border-bottom:1px solid rgba(255,255,255,.06);padding-bottom:20px}
  .stats-bar > div:nth-last-child(-n+2){border-bottom:none;padding-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .live-hero h1{font-size:28px}
  .hero-cta{flex-direction:column}
  .btn{width:100%;justify-content:center}
  .live-preview{grid-template-columns:1fr 1fr;gap:12px}
  .feature-grid{grid-template-columns:1fr}
  .stat-num{font-size:28px}
}

/* roulang page: category2 */
:root{
  --c-bg:#0f0a14;
  --c-bg-2:#1a1220;
  --c-surface:#221728;
  --c-surface-2:#2b1c34;
  --c-border:rgba(255,255,255,.08);
  --c-text:#f5eaf1;
  --c-muted:#b09aac;
  --c-primary:#ff3d78;
  --c-primary-2:#ff6aa0;
  --c-accent:#a45cff;
  --c-warn:#ffb547;
  --c-ok:#3ddc97;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-xl:32px;
  --sp-1:6px;--sp-2:10px;--sp-3:16px;--sp-4:24px;--sp-5:36px;--sp-6:56px;--sp-7:80px;
  --sh-1:0 4px 14px rgba(0,0,0,.25);
  --sh-2:0 12px 40px rgba(255,61,120,.22);
  --sh-3:0 20px 60px rgba(0,0,0,.55);
  --ff:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{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;
}
a{color:inherit;text-decoration:none;transition:.25s}
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{list-style:none;padding:0;margin:0}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(15,10,20,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:20px;color:#fff;
  box-shadow:var(--sh-2);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-weight:800;font-size:17px}
.logo-text small{font-size:10px;letter-spacing:2px;color:var(--c-muted);font-weight:500}
.nav-links{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.nav-links a{
  padding:9px 16px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--c-text);
  border:1px solid transparent;
}
.nav-links a:hover{background:var(--c-surface);border-color:var(--c-border)}
.nav-links a.active{
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#fff;box-shadow:var(--sh-2);
}
.header-cta{display:flex;gap:10px;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:14.5px;
  transition:.25s;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#fff;box-shadow:var(--sh-2);
}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 16px 46px rgba(255,61,120,.35)}
.btn-ghost{border:1px solid var(--c-border);color:var(--c-text);background:transparent}
.btn-ghost:hover{background:var(--c-surface);color:var(--c-primary-2)}
.btn-lg{padding:16px 30px;font-size:15.5px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:var(--c-surface);border:1px solid var(--c-border);align-items:center;justify-content:center}
.menu-toggle span{width:18px;height:2px;background:var(--c-text);position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text)}
.menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}

/* age gate ribbon */
.age-ribbon{
  background:linear-gradient(90deg,#ff3d78,#a45cff);
  color:#fff;text-align:center;font-size:13px;padding:8px 16px;font-weight:500;
}

/* hero */
.cat-hero{
  position:relative;padding:80px 0 60px;
  background:
    linear-gradient(180deg,rgba(15,10,20,.55) 0%,rgba(15,10,20,.9) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1000px 500px at 85% 20%,rgba(255,61,120,.35),transparent 60%),
             radial-gradient(700px 400px at 10% 80%,rgba(164,92,255,.28),transparent 60%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:22px;flex-wrap:wrap}
.crumb a:hover{color:var(--c-primary-2)}
.crumb span{color:var(--c-primary-2)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:500;
  background:rgba(255,61,120,.14);color:var(--c-primary-2);
  border:1px solid rgba(255,61,120,.35);margin-bottom:20px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 12px var(--c-primary)}
.cat-hero h1{
  font-size:clamp(32px,5vw,54px);
  background:linear-gradient(120deg,#fff 0%,#ffbcd7 60%,#c9a2ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:20px;letter-spacing:-.5px;
}
.hero-lead{font-size:17px;color:#e6d3de;max-width:720px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:rgba(34,23,40,.55);border:1px solid var(--c-border);
  border-radius:var(--r-lg);padding:22px;backdrop-filter:blur(10px);max-width:820px;
}
.metric{text-align:center}
.metric-num{font-size:26px;font-weight:800;color:#fff}
.metric-num em{font-style:normal;color:var(--c-primary-2);font-size:18px;margin-left:2px}
.metric-lb{font-size:12.5px;color:var(--c-muted);margin-top:4px}

/* sections common */
section{padding:var(--sp-7) 0}
.section-head{text-align:center;max-width:760px;margin:0 auto var(--sp-5)}
.section-eyebrow{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:var(--c-surface);color:var(--c-primary-2);
  font-size:12.5px;font-weight:600;letter-spacing:2px;margin-bottom:14px;
  border:1px solid var(--c-border);
}
.section-title{font-size:clamp(26px,3.6vw,38px);margin-bottom:14px}
.section-desc{color:var(--c-muted);font-size:15.5px}

/* highlight grid */
.highlight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.highlight-card{
  background:linear-gradient(180deg,var(--c-surface),var(--c-surface-2));
  border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:32px 26px;transition:.3s;position:relative;overflow:hidden;
}
.highlight-card::after{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transform:scaleX(0);transform-origin:left;transition:.4s;
}
.highlight-card:hover{transform:translateY(-6px);border-color:rgba(255,61,120,.4);box-shadow:var(--sh-3)}
.highlight-card:hover::after{transform:scaleX(1)}
.hc-icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,rgba(255,61,120,.15),rgba(164,92,255,.15));
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;
  border:1px solid rgba(255,61,120,.25);
}
.hc-title{font-size:18.5px;margin-bottom:10px}
.hc-text{color:var(--c-muted);font-size:14.5px}

/* scene showcase */
.scene-wrap{background:linear-gradient(180deg,var(--c-bg),var(--c-bg-2));border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:3/4;background:var(--c-surface);
  border:1px solid var(--c-border);
}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:.5s}
.scene-card:hover img{transform:scale(1.08)}
.scene-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.85) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:20px;
}
.scene-tag{
  align-self:flex-start;font-size:11.5px;padding:4px 10px;border-radius:999px;
  background:rgba(255,61,120,.9);color:#fff;font-weight:600;margin-bottom:10px;
}
.scene-name{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px}
.scene-meta{font-size:12.5px;color:#c9b6c1}

/* process timeline */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.process-grid::before{
  content:"";position:absolute;top:32px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  opacity:.3;z-index:0;
}
.process-step{
  position:relative;z-index:1;text-align:center;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-md);padding:28px 20px;
}
.step-badge{
  width:64px;height:64px;margin:0 auto 16px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;color:#fff;
  box-shadow:0 0 0 6px var(--c-bg),var(--sh-2);
}
.step-title{font-size:16.5px;margin-bottom:8px}
.step-text{font-size:13.5px;color:var(--c-muted)}

/* comparison */
.compare-box{
  background:linear-gradient(135deg,var(--c-surface),var(--c-surface-2));
  border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:12px;
}
.compare-table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:var(--r-md)}
.compare-table th,.compare-table td{padding:18px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--c-border)}
.compare-table thead th{
  background:rgba(255,61,120,.1);color:#fff;font-weight:600;
  border-bottom:1px solid rgba(255,61,120,.3);
}
.compare-table thead th:first-child{color:var(--c-muted)}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table td:first-child{color:var(--c-muted);font-weight:500;width:32%}
.compare-table .ours{color:var(--c-ok);font-weight:600}
.compare-table .others{color:var(--c-muted)}

/* device / cover feature */
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature-split img{border-radius:var(--r-lg);box-shadow:var(--sh-3);border:1px solid var(--c-border)}
.feature-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.feature-item{display:flex;gap:14px;align-items:flex-start}
.feature-check{
  flex:none;width:28px;height:28px;border-radius:8px;
  background:rgba(61,220,151,.15);color:var(--c-ok);
  display:flex;align-items:center;justify-content:center;font-weight:800;
  border:1px solid rgba(61,220,151,.3);
}
.feature-item h4{font-size:16px;margin-bottom:4px}
.feature-item p{color:var(--c-muted);font-size:14px}

/* faq */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-md);padding:22px 26px;transition:.3s;
}
.faq-item:hover{border-color:rgba(255,61,120,.35)}
.faq-item summary{
  cursor:pointer;font-weight:600;font-size:16px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--c-primary-2);font-weight:400;transition:.3s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin-top:14px;color:var(--c-muted);font-size:14.5px;line-height:1.75}

/* cta */
.cta-band{
  background:
    linear-gradient(120deg,rgba(255,61,120,.9),rgba(164,92,255,.9)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-radius:var(--r-xl);padding:60px 48px;text-align:center;position:relative;overflow:hidden;
}
.cta-band h2{font-size:clamp(24px,3.2vw,36px);color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.9);max-width:640px;margin:0 auto 28px;font-size:16px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--c-primary)}
.btn-white:hover{transform:translateY(-2px);color:var(--c-primary);box-shadow:0 14px 40px rgba(0,0,0,.3)}
.btn-outline{border:1.5px solid rgba(255,255,255,.6);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.15);color:#fff}

/* footer */
.site-footer{
  background:linear-gradient(180deg,var(--c-bg-2),#0a060e);
  padding:70px 0 30px;border-top:1px solid var(--c-border);margin-top:40px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand p{color:var(--c-muted);font-size:14px;margin-top:14px;line-height:1.8}
.age-note{
  display:inline-block;padding:8px 14px;border-radius:999px;
  background:rgba(255,181,71,.12);color:var(--c-warn);
  font-size:12.5px;border:1px solid rgba(255,181,71,.3);
}
.footer-col h5{font-size:15px;margin-bottom:18px;color:#fff}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:var(--c-muted)}
.footer-col ul li a:hover{color:var(--c-primary-2)}
.footer-bottom{
  margin-top:46px;padding-top:24px;border-top:1px solid var(--c-border);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--c-muted);
}

/* responsive */
@media(max-width:1024px){
  .highlight-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .feature-split{grid-template-columns:1fr;gap:32px}
}
@media(max-width:768px){
  section{padding:56px 0}
  .header-inner{height:64px}
  .nav-links{
    position:fixed;top:64px;left:0;right:0;
    background:var(--c-bg-2);flex-direction:column;padding:20px;gap:8px;
    border-bottom:1px solid var(--c-border);transform:translateY(-140%);transition:.35s;
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{width:100%;text-align:center;padding:12px}
  .menu-toggle{display:flex}
  .header-cta .btn:not(.menu-toggle){display:none}
  .hero-metrics{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:44px 24px}
  .compare-table th,.compare-table td{padding:14px 12px;font-size:13px}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .highlight-grid,.scene-grid,.process-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cat-hero{padding:60px 0 50px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --bg:#0b0810;
  --bg-alt:#120d1a;
  --surface:#1a1424;
  --surface-2:#221a2f;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#f4eef7;
  --muted:#a89cb8;
  --brand:#ff2e6a;
  --brand-2:#ff7a3d;
  --accent:#8b5cf6;
  --gold:#f5c04b;
  --success:#4ade80;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.28);
  --shadow-md:0 12px 32px rgba(0,0,0,.42);
  --shadow-glow:0 18px 48px rgba(255,46,106,.28);
  --gap:24px;
  --container:1200px;
  --font:'PingFang SC','Microsoft YaHei','HarmonyOS Sans SC','Noto Sans SC',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
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 0 .6em;font-weight:700;line-height:1.3;letter-spacing:.5px}
p{margin:0 0 1em}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* age gate */
.age-gate{
  position:fixed;inset:0;z-index:9999;
  background:rgba(6,4,10,.94);
  display:flex;align-items:center;justify-content:center;padding:20px;
  backdrop-filter:blur(8px);
}
.age-gate__box{
  max-width:460px;background:linear-gradient(160deg,#1c1327,#120b1c);
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:36px 30px;text-align:center;box-shadow:var(--shadow-md);
}
.age-gate__box h3{font-size:22px;color:#fff}
.age-gate__box p{color:var(--muted);font-size:14px}
.age-gate__actions{display:flex;gap:12px;margin-top:20px;justify-content:center;flex-wrap:wrap}
.age-note{color:var(--brand);font-weight:600;font-size:13px}

/* header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,8,16,.82);
  backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:20px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;font-weight:800;font-size:22px;color:#fff;
  box-shadow:0 8px 20px rgba(255,46,106,.4);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:17px}
.logo-text small{font-weight:500;font-size:10px;color:var(--muted);letter-spacing:2px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{
  padding:9px 16px;border-radius:999px;font-size:14.5px;color:var(--muted);
  border:1px solid transparent;transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--line)}
.nav-links a.active{color:#fff;background:linear-gradient(135deg,var(--brand),var(--accent));border-color:transparent;box-shadow:0 6px 18px rgba(139,92,246,.35)}
.header-cta{display:flex;gap:10px;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:14.5px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 52px rgba(255,46,106,.42);color:#fff}
.btn-ghost{border-color:var(--line-strong);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.06);color:#fff}
.btn-lg{padding:15px 30px;font-size:15px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);align-items:center;justify-content:center}
.menu-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:'';position:absolute;left:0;width:18px;height:2px;background:#fff}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* page hero (category) */
.cat-hero{
  position:relative;
  padding:80px 0 90px;
  background:
    linear-gradient(135deg,rgba(11,8,16,.6) 0%,rgba(11,8,16,.9) 60%,var(--bg) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  overflow:hidden;
}
.cat-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(600px 320px at 15% 30%,rgba(255,46,106,.28),transparent 70%),
             radial-gradient(500px 300px at 85% 70%,rgba(139,92,246,.24),transparent 70%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap}
.crumb a:hover{color:#fff}
.crumb span{color:var(--brand-2)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,46,106,.14);border:1px solid rgba(255,46,106,.4);
  font-size:13px;color:#ffcede;margin-bottom:20px;font-weight:600;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px var(--brand)}
h1.hero-title{
  font-size:clamp(30px,4.4vw,52px);line-height:1.15;color:#fff;
  margin:0 0 20px;letter-spacing:1px;
}
h1.hero-title em{font-style:normal;background:linear-gradient(120deg,var(--brand),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:16.5px;color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:520px}
.stat{padding:16px 18px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius)}
.stat b{display:block;font-size:26px;color:#fff;font-weight:800;background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;color:transparent}
.stat span{font-size:12.5px;color:var(--muted)}
.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow-md);aspect-ratio:4/5;
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(11,8,16,.85));
}
.hero-visual .overlay{
  position:absolute;left:0;right:0;bottom:0;padding:22px 24px;z-index:2;
}
.hero-visual .overlay h4{color:#fff;font-size:18px;margin-bottom:6px}
.hero-visual .overlay p{color:#ddd;font-size:13px;margin:0}
.playbadge{
  position:absolute;top:18px;left:18px;z-index:2;
  padding:6px 12px;border-radius:999px;background:rgba(255,46,106,.85);color:#fff;font-size:12px;font-weight:600;
  display:inline-flex;gap:6px;align-items:center;
}

/* section common */
section{padding:80px 0;position:relative}
.sec-head{max-width:720px;margin:0 auto 50px;text-align:center}
.sec-eyebrow{color:var(--brand-2);font-size:13px;font-weight:600;letter-spacing:3px;text-transform:uppercase;margin-bottom:12px}
.sec-title{font-size:clamp(24px,3vw,38px);color:#fff;line-height:1.25;margin-bottom:14px}
.sec-desc{color:var(--muted);font-size:15.5px}

/* themes / genres grid */
.themes{background:var(--bg-alt)}
.theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.theme-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
  aspect-ratio:3/4;transition:transform .3s ease,border-color .3s ease;
}
.theme-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.theme-card:hover{transform:translateY(-4px);border-color:var(--brand)}
.theme-card:hover img{transform:scale(1.06)}
.theme-card::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 30%,rgba(6,4,10,.9));
}
.theme-info{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;z-index:2}
.theme-info h4{font-size:17px;color:#fff;margin-bottom:6px;display:flex;justify-content:space-between;align-items:center}
.theme-info h4 span{font-size:12px;color:var(--brand-2);font-weight:500}
.theme-info p{font-size:12.5px;color:#c9bfd9;margin:0;line-height:1.55}
.theme-info .tags{margin-top:10px;display:flex;gap:6px;flex-wrap:wrap}
.tag{
  padding:3px 10px;background:rgba(255,255,255,.1);border:1px solid var(--line);
  border-radius:999px;font-size:11.5px;color:#f0e8f7;
}
.tag--hot{background:rgba(255,46,106,.18);border-color:rgba(255,46,106,.5);color:#ffb2c8}
.tag--new{background:rgba(74,222,128,.14);border-color:rgba(74,222,128,.4);color:#a5f0c1}

/* features / why */
.features .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature{
  padding:32px 28px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  position:relative;overflow:hidden;
}
.feature::before{
  content:'';position:absolute;top:-40px;right:-40px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,106,.22),transparent 70%);opacity:.6;transition:opacity .3s;
}
.feature:hover{transform:translateY(-6px);border-color:var(--brand);box-shadow:var(--shadow-md)}
.feature:hover::before{opacity:1}
.feature .icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  display:grid;place-items:center;font-size:22px;color:#fff;margin-bottom:20px;
  box-shadow:0 8px 20px rgba(139,92,246,.32);
}
.feature h3{color:#fff;font-size:18px;margin-bottom:10px}
.feature p{color:var(--muted);font-size:14.5px;margin:0}

/* scenes / who it's for */
.scenes{background:var(--bg-alt)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene{
  position:relative;padding:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);min-height:340px;
  display:flex;flex-direction:column;justify-content:flex-end;color:#fff;
}
.scene img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;transition:opacity .3s ease,transform .6s ease}
.scene::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,8,16,.1) 0%,rgba(11,8,16,.92) 85%)}
.scene:hover img{opacity:.8;transform:scale(1.05)}
.scene .body{position:relative;z-index:2;padding:28px}
.scene h4{font-size:19px;color:#fff;margin-bottom:10px}
.scene p{font-size:14px;color:#dcd2e6;margin:0 0 14px}
.scene ul{display:flex;flex-direction:column;gap:6px}
.scene li{font-size:13px;color:#ffd8e3;padding-left:18px;position:relative}
.scene li::before{content:'▸';position:absolute;left:0;color:var(--brand)}

/* workflow */
.flow-wrap{position:relative}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:2}
.step{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px;position:relative;
  transition:border-color .3s ease,transform .3s ease;
}
.step:hover{border-color:var(--brand-2);transform:translateY(-4px)}
.step-num{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand-2),var(--gold));
  color:#111;font-weight:800;font-size:19px;
  display:grid;place-items:center;margin-bottom:16px;
}
.step h4{color:#fff;font-size:16.5px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;margin:0}

/* rankings */
.rank{background:var(--bg-alt)}
.rank-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
.rank-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 8px}
.rank-item{
  display:grid;grid-template-columns:44px 68px 1fr auto;gap:16px;align-items:center;
  padding:14px 16px;border-radius:var(--radius-sm);transition:background .2s ease;cursor:pointer;
}
.rank-item + .rank-item{border-top:1px solid var(--line)}
.rank-item:hover{background:rgba(255,255,255,.04)}
.rank-idx{font-family:'Bebas Neue','Impact',sans-serif;font-size:28px;color:var(--muted);text-align:center;font-weight:700}
.rank-item:nth-child(1) .rank-idx,
.rank-item:nth-child(2) .rank-idx,
.rank-item:nth-child(3) .rank-idx{color:var(--brand)}
.rank-cover{width:68px;height:88px;border-radius:8px;overflow:hidden;background:#333}
.rank-cover img{width:100%;height:100%;object-fit:cover}
.rank-meta h5{color:#fff;font-size:15px;margin:0 0 6px;font-weight:600}
.rank-meta p{color:var(--muted);font-size:12.5px;margin:0}
.rank-meta .mtag{display:inline-block;margin-right:8px;color:var(--brand-2)}
.rank-play{
  padding:8px 14px;border-radius:999px;font-size:12.5px;
  background:rgba(255,46,106,.15);color:#ffb2c8;border:1px solid rgba(255,46,106,.4);
  transition:all .2s;
}
.rank-item:hover .rank-play{background:var(--brand);color:#fff}
.rank-aside{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:sticky;top:100px}
.rank-aside h4{color:#fff;font-size:18px;margin-bottom:16px}
.rank-aside p{color:var(--muted);font-size:14px;margin-bottom:22px}
.aside-list li{padding:10px 0;border-bottom:1px dashed var(--line);color:#e4d9ef;font-size:13.5px;display:flex;justify-content:space-between}
.aside-list li span{color:var(--brand-2);font-weight:600}
.aside-list li:last-child{border-bottom:0}

/* testimonials */
.voices .voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;position:relative;
}
.voice::before{content:'“';position:absolute;top:-6px;left:22px;font-size:60px;color:var(--brand);font-family:Georgia,serif;line-height:1}
.voice p{color:#d9cde5;font-size:14.5px;font-style:italic;margin:20px 0 18px;min-height:110px}
.voice-user{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  display:grid;place-items:center;font-weight:700;color:#fff;font-size:15px;
}
.voice-user b{display:block;color:#fff;font-size:14px}
.voice-user small{color:var(--muted);font-size:12px}
.stars{color:var(--gold);font-size:13px;margin-top:2px}

/* faq */
.faq{background:var(--bg-alt)}
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:0;overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:var(--brand)}
.faq-item summary{
  padding:20px 26px;font-size:16px;font-weight:600;color:#fff;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:20px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:24px;color:var(--brand);transition:transform .3s ease;font-weight:400}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 26px 22px;color:var(--muted);font-size:14.5px;line-height:1.8}

/* cta band */
.cta{
  padding:70px 0;
  background:
    linear-gradient(135deg,rgba(255,46,106,.85),rgba(139,92,246,.85)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  text-align:center;color:#fff;
}
.cta h2{font-size:clamp(24px,3vw,36px);margin-bottom:12px;color:#fff}
.cta p{color:rgba(255,255,255,.86);font-size:16px;max-width:640px;margin:0 auto 26px}
.cta .btn-primary{background:#fff;color:var(--brand);box-shadow:0 12px 30px rgba(0,0,0,.3)}
.cta .btn-primary:hover{background:#ffe6ef;color:var(--brand)}
.cta .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.cta .btn-ghost:hover{background:rgba(255,255,255,.15)}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* footer */
.site-footer{background:#08060d;padding:60px 0 24px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:16px}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:1px}
.footer-col ul li{margin-bottom:10px}
.footer-col a,.footer-col li{color:var(--muted);font-size:13.5px}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  color:var(--muted);font-size:12.5px;
}

/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:420px;margin:0 auto}
  .theme-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid,.scene-grid,.voice-grid{grid-template-columns:repeat(2,1fr)!important}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .rank-grid{grid-template-columns:1fr}
  .rank-aside{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  section{padding:60px 0}
  .cat-hero{padding:60px 0 70px}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    background:var(--bg-alt);border-top:1px solid var(--line);
    flex-direction:column;padding:16px;gap:6px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;text-align:center}
  .menu-toggle{display:inline-flex}
  .header-cta .btn:not(.menu-toggle){display:none}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:12px}
  .stat b{font-size:22px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  h1.hero-title{font-size:28px}
  .theme-grid{grid-template-columns:1fr}
  .feature-grid,.scene-grid,.voice-grid{grid-template-columns:1fr!important}
  .flow-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .rank-item{grid-template-columns:36px 56px 1fr;gap:12px}
  .rank-play{grid-column:1 / -1;justify-self:end;margin-top:6px}
  .rank-cover{width:56px;height:72px}
  .hero-actions .btn{flex:1;min-width:140px}
}