/* roulang page: index */
:root{
  --c-bg:#0b0710;
  --c-bg-2:#141020;
  --c-surface:#1c1730;
  --c-surface-2:#241d3d;
  --c-border:rgba(255,255,255,.08);
  --c-border-2:rgba(255,255,255,.14);
  --c-text:#f4eefb;
  --c-muted:#b6adcf;
  --c-dim:#8a83a5;
  --c-primary:#ff3d7f;
  --c-primary-2:#ff7ab6;
  --c-accent:#8a5cff;
  --c-accent-2:#5ce1ff;
  --c-warn:#ffb84d;
  --grad-hero:linear-gradient(135deg,#ff3d7f 0%,#8a5cff 55%,#5ce1ff 100%);
  --grad-card:linear-gradient(160deg,rgba(255,61,127,.18),rgba(138,92,255,.12) 60%,rgba(92,225,255,.08));
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-xl:32px;
  --sh-sm:0 2px 8px rgba(0,0,0,.25);
  --sh-md:0 10px 30px rgba(0,0,0,.35);
  --sh-lg:0 20px 60px rgba(255,61,127,.18);
  --sp-1:8px;
  --sp-2:14px;
  --sp-3:22px;
  --sp-4:34px;
  --sp-5:56px;
  --sp-6:80px;
  --f-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--f-sans);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:inherit}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease}
a:hover{color:var(--c-primary-2)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.25;font-weight:700;letter-spacing:.5px}
h1{font-size:clamp(32px,4.6vw,58px)}
h2{font-size:clamp(24px,2.8vw,38px)}
h3{font-size:20px}
p{margin:0 0 1em;color:var(--c-muted)}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,7,16,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:74px;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;letter-spacing:.5px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-hero);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(255,61,127,.45);
  font-size:18px;
}
.brand-mark::before{content:"◆";color:#fff}
.brand-name{background:var(--grad-hero);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  padding:10px 16px;border-radius:10px;font-size:15px;color:var(--c-muted);
  font-weight:500;transition:all .2s ease;
}
.nav-menu a:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.nav-menu a.active{color:var(--c-text);background:var(--c-surface);box-shadow:inset 0 0 0 1px var(--c-border-2)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;
  background:var(--grad-hero);color:#fff;font-weight:600;font-size:14px;
  box-shadow:0 8px 24px rgba(255,61,127,.35);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,61,127,.5)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:var(--c-surface);align-items:center;justify-content:center}
.nav-toggle span{width:18px;height:2px;background:#fff;position:relative;display:block}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:var(--sp-6) 0 var(--sp-6);
  background:
    radial-gradient(1200px 500px at 85% -10%,rgba(138,92,255,.35),transparent 60%),
    radial-gradient(900px 500px at -10% 30%,rgba(255,61,127,.28),transparent 60%),
    linear-gradient(180deg,#0b0710 0%,#141020 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.22;mix-blend-mode:screen;
}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:960px;margin:0 auto}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--c-border-2);
  font-size:13px;color:var(--c-muted);letter-spacing:1px;margin-bottom:24px;
}
.hero-eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 12px var(--c-primary)}
.hero h1{color:#fff}
.hero h1 span{background:var(--grad-hero);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:18px;color:var(--c-muted);max-width:720px;margin:20px auto 32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:44px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease;
}
.btn-primary{background:var(--grad-hero);color:#fff;box-shadow:0 12px 30px rgba(255,61,127,.4)}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 16px 40px rgba(255,61,127,.55)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid var(--c-border-2)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:820px;margin:0 auto;
  padding:24px;border-radius:var(--r-lg);
  background:rgba(20,16,32,.65);border:1px solid var(--c-border);
  backdrop-filter:blur(12px);
}
.hero-stats .stat{text-align:center}
.hero-stats .num{font-size:28px;font-weight:800;background:var(--grad-hero);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .lab{font-size:13px;color:var(--c-dim);margin-top:4px}

/* Section base */
section{padding:var(--sp-6) 0}
.section-head{text-align:center;max-width:720px;margin:0 auto var(--sp-4)}
.section-head .kicker{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(255,61,127,.12);color:var(--c-primary-2);
  font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.section-head h2{color:#fff}
.section-head p{color:var(--c-muted);font-size:16px}

/* Features */
.features{background:linear-gradient(180deg,#0b0710 0%,#0f0a19 100%)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{
  padding:32px 28px;border-radius:var(--r-lg);
  background:var(--c-surface);border:1px solid var(--c-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(--grad-hero);opacity:0;transition:opacity .3s;
}
.feature-card:hover{transform:translateY(-6px);border-color:var(--c-border-2);box-shadow:var(--sh-md)}
.feature-card:hover::before{opacity:1}
.feature-icon{
  width:52px;height:52px;border-radius:14px;
  background:var(--grad-card);border:1px solid var(--c-border-2);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;margin-bottom:18px;
}
.feature-card h3{color:#fff;font-size:19px}
.feature-card p{font-size:14.5px;margin:0}

/* Categories */
.cats{background:#0f0a19}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:3/4;background:#1c1730;
  transition:transform .35s ease,box-shadow .35s ease;
  display:flex;flex-direction:column;justify-content:flex-end;
  border:1px solid var(--c-border);
}
.cat-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;border-radius:0;
}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,7,16,.1) 0%,rgba(11,7,16,.55) 55%,rgba(11,7,16,.95) 100%);
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.cat-card:hover img{transform:scale(1.08)}
.cat-body{position:relative;z-index:2;padding:22px}
.cat-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(255,255,255,.12);backdrop-filter:blur(6px);
  font-size:11px;letter-spacing:1px;color:#fff;margin-bottom:10px;
}
.cat-body h3{color:#fff;font-size:20px;margin-bottom:8px}
.cat-body p{color:rgba(255,255,255,.75);font-size:13px;margin-bottom:14px}
.cat-link{color:var(--c-primary-2);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.cat-link::after{content:"→";transition:transform .25s}
.cat-card:hover .cat-link::after{transform:translateX(4px)}

/* Latest posts */
.latest{
  background:linear-gradient(180deg,#0f0a19 0%,#0b0710 100%);
}
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.post-card{
  display:grid;grid-template-columns:180px 1fr;gap:20px;
  padding:20px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-border);
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--c-border-2);box-shadow:var(--sh-md)}
.post-thumb{
  width:180px;height:130px;border-radius:var(--r-sm);overflow:hidden;
  background:var(--grad-card);position:relative;flex-shrink:0;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.post-body{display:flex;flex-direction:column;justify-content:space-between}
.post-meta{display:flex;gap:10px;font-size:12px;color:var(--c-dim);margin-bottom:8px;flex-wrap:wrap}
.post-meta .chip{padding:2px 10px;border-radius:999px;background:rgba(255,61,127,.14);color:var(--c-primary-2)}
.post-card h3{font-size:17px;color:#fff;margin-bottom:8px;line-height:1.4}
.post-card:hover h3{color:var(--c-primary-2)}
.post-excerpt{font-size:13.5px;color:var(--c-muted);margin:0;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.post-empty{
  text-align:center;padding:60px 20px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px dashed var(--c-border-2);
  color:var(--c-muted);grid-column:1/-1;
}

/* Showcase / Playlist */
.showcase{
  background:#0b0710;position:relative;overflow:hidden;
}
.showcase::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.15;
}
.showcase-inner{position:relative;z-index:2}
.showcase-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center}
.showcase-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-border-2);box-shadow:var(--sh-lg);
  aspect-ratio:16/10;
}
.showcase-media img{width:100%;height:100%;object-fit:cover}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:80px;height:80px;border-radius:50%;
  background:var(--grad-hero);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 40px rgba(255,61,127,.6);
  font-size:26px;color:#fff;
}
.play-btn::before{content:"▶";margin-left:4px}
.showcase-text h2{color:#fff}
.showcase-list{margin-top:24px}
.showcase-list li{
  display:flex;align-items:flex-start;gap:14px;
  padding:14px 0;border-bottom:1px solid var(--c-border);
}
.showcase-list li:last-child{border-bottom:none}
.showcase-list .idx{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad-card);border:1px solid var(--c-border-2);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--c-primary-2);font-size:14px;flex-shrink:0;
}
.showcase-list strong{color:#fff;display:block;margin-bottom:4px;font-size:15px}
.showcase-list span{color:var(--c-muted);font-size:13.5px}

/* Trust bar */
.trust{padding:var(--sp-4) 0;background:#0f0a19;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.trust-item .num{font-size:38px;font-weight:800;background:var(--grad-hero);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.trust-item .lab{color:var(--c-muted);font-size:14px;margin-top:8px}

/* FAQ */
.faq{background:#0b0710}
.faq-list{max-width:820px;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:border-color .25s,background .25s;
}
.faq-item:hover{border-color:var(--c-border-2)}
.faq-item summary{
  cursor:pointer;font-weight:600;font-size:16px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;list-style:none;
}
.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:transform .25s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:14px 0 0;color:var(--c-muted);font-size:14.5px}

/* CTA */
.cta{
  padding:var(--sp-6) 0;
  background:
    radial-gradient(600px 300px at 30% 20%,rgba(255,61,127,.35),transparent 60%),
    radial-gradient(600px 300px at 80% 80%,rgba(92,225,255,.25),transparent 60%),
    #0f0a19;
  position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.12;
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto}
.cta h2{color:#fff;font-size:clamp(28px,3.5vw,44px)}
.cta p{color:var(--c-muted);font-size:17px;margin-bottom:32px}
.cta-form{
  display:flex;gap:10px;max-width:520px;margin:0 auto;
  padding:8px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--c-border-2);
  backdrop-filter:blur(10px);
}
.cta-form input{
  flex:1;padding:14px 20px;background:transparent;border:none;color:#fff;font-size:15px;outline:none;
}
.cta-form input::placeholder{color:var(--c-dim)}
.cta-form button{
  padding:14px 28px;border-radius:999px;
  background:var(--grad-hero);color:#fff;font-weight:600;font-size:14px;
  transition:transform .2s,box-shadow .25s;
}
.cta-form button:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(255,61,127,.5)}
.cta-note{margin-top:18px;font-size:13px;color:var(--c-dim)}

/* Footer */
.site-footer{
  background:#07040c;padding:var(--sp-6) 0 30px;border-top:1px solid var(--c-border);
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:44px;border-bottom:1px solid var(--c-border);
}
.foot-brand p{color:var(--c-muted);font-size:14px;margin:16px 0 20px;max-width:340px}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:38px;height:38px;border-radius:10px;
  background:var(--c-surface);border:1px solid var(--c-border);
  display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--c-muted);
}
.foot-social a:hover{background:var(--c-surface-2);color:#fff;border-color:var(--c-border-2)}
.foot-col h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:18px}
.foot-col ul li{margin-bottom:10px}
.foot-col ul li a{color:var(--c-muted);font-size:14px}
.foot-col ul li a:hover{color:var(--c-primary-2)}
.foot-bottom{
  padding-top:28px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  color:var(--c-dim);font-size:13px;
}
.foot-bottom a{color:var(--c-dim)}
.foot-bottom a:hover{color:var(--c-muted)}

/* Responsive */
@media (max-width:1024px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .showcase-grid{grid-template-columns:1fr;gap:30px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:24px}
}
@media (max-width:768px){
  section{padding:var(--sp-5) 0}
  .hero{padding:var(--sp-5) 0}
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .post-grid{grid-template-columns:1fr}
  .post-card{grid-template-columns:1fr}
  .post-thumb{width:100%;height:180px}
  .cta-form{flex-direction:column;border-radius:var(--r-md);padding:12px}
  .cta-form input,.cta-form button{width:100%;border-radius:var(--r-sm)}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .feature-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .hero-stats{grid-template-columns:1fr 1fr}
  h1{font-size:32px}
  h2{font-size:24px}
}

/* roulang page: article */
:root{
  --c-bg:#0b0910;
  --c-bg-2:#141020;
  --c-surface:#1a1526;
  --c-surface-2:#221b30;
  --c-line:#2c2440;
  --c-text:#f4eef8;
  --c-muted:#a99cc0;
  --c-primary:#ff3d7f;
  --c-primary-2:#b845ff;
  --c-accent:#ffcf5c;
  --c-success:#5ee5b0;
  --grad:linear-gradient(135deg,#ff3d7f 0%,#b845ff 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,61,127,.15),rgba(184,69,255,.15));
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-xl:30px;
  --sh-sm:0 4px 14px rgba(0,0,0,.25);
  --sh-md:0 12px 34px rgba(0,0,0,.35);
  --sh-glow:0 10px 40px rgba(255,61,127,.28);
  --sp-1:8px;
  --sp-2:14px;
  --sp-3:20px;
  --sp-4:28px;
  --sp-5:40px;
  --sp-6:60px;
  --sp-7:90px;
  --f-sans:"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(--f-sans);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1000px 500px at 90% -10%,rgba(184,69,255,.18),transparent 60%),
    radial-gradient(700px 400px at -10% 20%,rgba(255,61,127,.15),transparent 60%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-text);text-decoration:none;transition:.25s}
a:hover{color:var(--c-primary)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none;padding:0;margin:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.5px}
p{margin:0 0 1em}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(18px);
  background:rgba(11,9,16,.78);
  border-bottom:1px solid var(--c-line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad);
  box-shadow:var(--sh-glow);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:6px;
  border:2px solid rgba(255,255,255,.85);
  border-right-color:transparent;transform:rotate(45deg);
}
.brand-name{font-size:18px;letter-spacing:1px}
.nav-menu{display:flex;gap:6px;flex:1;justify-content:center}
.nav-menu a{
  padding:9px 16px;border-radius:999px;font-size:14.5px;
  color:var(--c-muted);font-weight:500;position:relative;
}
.nav-menu a:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.nav-menu a.active{color:#fff;background:var(--grad);box-shadow:var(--sh-glow)}
.nav-cta{
  padding:10px 20px;border-radius:999px;font-weight:600;font-size:14px;
  background:var(--grad);color:#fff;box-shadow:var(--sh-glow);
}
.nav-cta:hover{transform:translateY(-2px);color:#fff}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.06);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:9px;width:22px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span{top:19px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}

/* Article banner */
.article-banner{
  padding:80px 0 50px;
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(11,9,16,.55) 20%,rgba(11,9,16,.95) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.crumbs{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:22px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{opacity:.5}
.article-head{max-width:900px}
.tag-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--grad-soft);border:1px solid rgba(255,61,127,.35);
  color:#ffb2cf;font-size:12.5px;font-weight:600;letter-spacing:.5px;
}
.chip.hd{background:rgba(94,229,176,.12);border-color:rgba(94,229,176,.35);color:var(--c-success)}
.chip.hot{background:rgba(255,207,92,.14);border-color:rgba(255,207,92,.4);color:var(--c-accent)}
.article-head h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;
  background:linear-gradient(180deg,#fff 30%,#e2c8ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:22px;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;
  color:var(--c-muted);font-size:14px;
}
.meta-row .m{display:inline-flex;align-items:center;gap:8px}
.meta-row .dot{width:5px;height:5px;background:var(--c-primary);border-radius:50%}
.meta-row strong{color:var(--c-text);font-weight:600}

/* Main layout */
.article-main{padding:60px 0 90px}
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;
}
.article-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-xl);
  padding:44px 48px;
  box-shadow:var(--sh-md);
  position:relative;
}
.article-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad);border-radius:var(--r-xl) var(--r-xl) 0 0;
}

/* Article content styling */
.article-body{font-size:16.5px;line-height:1.95;color:#e6dff2}
.article-body h1,.article-body h2,.article-body h3{margin:36px 0 16px;color:#fff}
.article-body h2{
  font-size:24px;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--grad);border-radius:4px;
}
.article-body h3{font-size:19px;color:#ffb2cf}
.article-body p{margin:0 0 18px}
.article-body a{color:var(--c-primary);border-bottom:1px dashed rgba(255,61,127,.5)}
.article-body a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul li,.article-body ol li{margin-bottom:8px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body img{
  border-radius:var(--r-md);margin:22px 0;box-shadow:var(--sh-sm);
  border:1px solid var(--c-line);
}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;
  background:var(--grad-soft);border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-md) var(--r-md) 0;color:#f0e8ff;font-style:italic;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left}
.article-body th{background:var(--c-surface-2);color:#fff}
.article-body code{
  padding:2px 8px;border-radius:6px;background:var(--c-bg-2);
  color:var(--c-accent);font-size:14px;
}

.not-found{text-align:center;padding:80px 20px}
.not-found h2{font-size:26px;margin-bottom:14px}
.not-found p{color:var(--c-muted);margin-bottom:24px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-weight:600;font-size:14.5px;
  background:var(--grad);color:#fff;box-shadow:var(--sh-glow);transition:.3s;
}
.btn:hover{transform:translateY(-2px);color:#fff}
.btn.outline{background:transparent;border:1px solid var(--c-line);color:var(--c-text);box-shadow:none}
.btn.outline:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* Article footer actions */
.article-actions{
  margin-top:40px;padding-top:28px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  padding:6px 14px;border-radius:8px;background:var(--c-bg-2);
  color:var(--c-muted);font-size:13px;border:1px solid var(--c-line);
}
.tag:hover{color:var(--c-primary);border-color:var(--c-primary)}
.share-box{display:flex;gap:10px;align-items:center}
.share-box span{font-size:13px;color:var(--c-muted)}
.share-box a{
  width:36px;height:36px;border-radius:50%;background:var(--c-bg-2);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  border:1px solid var(--c-line);color:var(--c-muted);
}
.share-box a:hover{background:var(--grad);color:#fff;border-color:transparent}

/* Sidebar */
.sidebar{position:sticky;top:100px;display:flex;flex-direction:column;gap:26px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:26px;
}
.side-card h3{
  font-size:16px;margin-bottom:18px;padding-bottom:14px;
  border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;gap:10px;
}
.side-card h3::before{
  content:"";width:4px;height:16px;background:var(--grad);border-radius:4px;
}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-item{display:flex;gap:12px;align-items:flex-start}
.side-item .num{
  min-width:26px;height:26px;border-radius:8px;
  background:var(--c-bg-2);color:var(--c-muted);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;flex-shrink:0;
}
.side-item:nth-child(1) .num{background:var(--grad);color:#fff}
.side-item:nth-child(2) .num{background:rgba(255,61,127,.3);color:#ffb2cf}
.side-item:nth-child(3) .num{background:rgba(184,69,255,.3);color:#e2c8ff}
.side-item a{font-size:14px;line-height:1.6;color:#dcd2ec}
.side-item a:hover{color:var(--c-primary)}

.cat-links{display:flex;flex-wrap:wrap;gap:8px}
.cat-links a{
  padding:8px 14px;border-radius:999px;background:var(--c-bg-2);
  border:1px solid var(--c-line);font-size:13px;color:var(--c-muted);
}
.cat-links a:hover{background:var(--grad);color:#fff;border-color:transparent}

.watch-box{
  background:linear-gradient(160deg,rgba(255,61,127,.2),rgba(184,69,255,.2));
  border:1px solid rgba(255,61,127,.35);
}
.watch-box p{color:#f0e8ff;font-size:14px;margin-bottom:16px}
.watch-box .btn{width:100%;justify-content:center}

.mini-cover{
  border-radius:var(--r-md);overflow:hidden;margin-bottom:14px;position:relative;
  aspect-ratio:16/9;background:var(--c-bg-2);
}
.mini-cover img{width:100%;height:100%;object-fit:cover}
.mini-cover .play{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.7));
}
.mini-cover .play span{
  width:52px;height:52px;border-radius:50%;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:var(--sh-glow);
}
.mini-cover .play span::after{
  content:"";border-left:12px solid #fff;border-top:8px solid transparent;
  border-bottom:8px solid transparent;margin-left:4px;
}

/* Related */
.related-section{margin-top:70px}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:30px;gap:20px;flex-wrap:wrap;
}
.section-head h2{
  font-size:26px;
  background:linear-gradient(180deg,#fff,#e2c8ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-head p{color:var(--c-muted);font-size:14px;margin:6px 0 0}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:.35s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);border-color:rgba(255,61,127,.5);box-shadow:var(--sh-md)}
.card-cover{aspect-ratio:16/10;position:relative;overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:.6s}
.card:hover .card-cover img{transform:scale(1.08)}
.card-badge{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:6px;font-size:11.5px;font-weight:600;
  background:rgba(0,0,0,.7);backdrop-filter:blur(6px);color:#fff;
}
.card-badge.hd{background:rgba(94,229,176,.85);color:#0b3a26}
.card-dur{
  position:absolute;bottom:12px;right:12px;
  padding:3px 8px;border-radius:5px;font-size:12px;
  background:rgba(0,0,0,.75);color:#fff;
}
.card-body{padding:18px 20px 22px}
.card-body h3{font-size:16px;margin-bottom:10px;line-height:1.5;min-height:48px}
.card-body h3 a{color:var(--c-text)}
.card-body h3 a:hover{color:var(--c-primary)}
.card-info{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--c-muted)}
.card-info .views::before{content:"👁 ";opacity:.7}

/* CTA */
.cta{
  margin-top:70px;padding:50px;border-radius:var(--r-xl);
  background:
    linear-gradient(135deg,rgba(255,61,127,.9),rgba(184,69,255,.9)),
    url('/assets/images/backpic/back-3.webp') center/cover;
  display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;
}
.cta h2{font-size:26px;color:#fff;margin-bottom:8px}
.cta p{color:rgba(255,255,255,.9);margin:0;font-size:15px}
.cta .actions{display:flex;gap:12px;flex-wrap:wrap}
.cta .btn{background:#fff;color:#b845ff}
.cta .btn:hover{background:#fff}
.cta .btn.outline{background:transparent;border:1px solid rgba(255,255,255,.7);color:#fff}

/* Footer */
.site-footer{
  background:#07050c;border-top:1px solid var(--c-line);
  padding:60px 0 24px;margin-top:20px;
}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px;
}
.foot-brand p{color:var(--c-muted);font-size:14px;margin:16px 0 20px;max-width:340px;line-height:1.75}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:36px;height:36px;border-radius:50%;
  background:var(--c-surface);border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:600;color:var(--c-muted);
}
.foot-social a:hover{background:var(--grad);color:#fff;border-color:transparent}
.foot-col h4{
  font-size:15px;margin-bottom:18px;color:#fff;
  display:flex;align-items:center;gap:8px;
}
.foot-col h4::before{content:"";width:3px;height:14px;background:var(--grad);border-radius:3px}
.foot-col ul li{margin-bottom:10px}
.foot-col a{color:var(--c-muted);font-size:14px}
.foot-col a:hover{color:var(--c-primary)}
.foot-bottom{
  padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;align-items:center;
  color:var(--c-muted);font-size:13px;gap:20px;flex-wrap:wrap;
}
.foot-bottom a{color:var(--c-muted)}
.foot-bottom a:hover{color:var(--c-primary)}

/* Responsive */
@media (max-width:1024px){
  .layout{grid-template-columns:1fr;gap:36px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 300px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-card{padding:36px 32px}
}
@media (max-width:768px){
  .nav-menu{display:none}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .article-banner{padding:50px 0 36px}
  .article-main{padding:40px 0 60px}
  .article-card{padding:28px 20px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:21px}
  .cta{padding:36px 24px;text-align:center;justify-content:center}
  .cta .actions{justify-content:center}
  .related-section{margin-top:50px}
  .sidebar{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .nav{padding:14px 18px}
  .article-head h1{font-size:26px}
  .meta-row{gap:14px;font-size:13px}
  .related-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom{flex-direction:column;text-align:center}
  .article-actions{flex-direction:column;align-items:flex-start}
  .section-head h2{font-size:22px}
}

/* roulang page: category1 */
:root{
  --bg:#0d0a14;
  --bg-soft:#15111f;
  --panel:#1b1628;
  --panel-2:#241d35;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#f4eefb;
  --muted:#a99ec2;
  --primary:#ff3d7f;
  --primary-2:#ff8a4c;
  --accent:#8b5cf6;
  --gold:#f5c26b;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
  --shadow-sm:0 6px 18px rgba(0,0,0,.35);
  --grad:linear-gradient(135deg,#ff3d7f 0%,#8b5cf6 100%);
  --grad-warm:linear-gradient(135deg,#ff8a4c 0%,#ff3d7f 100%);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none;padding:0;margin:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,10,20,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .nav{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--grad);
  box-shadow:0 6px 18px rgba(255,61,127,.45);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:4px;
  background:rgba(255,255,255,.85);
  clip-path:polygon(20% 15%,80% 50%,20% 85%);
}
.brand-name{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;gap:6px;margin-left:auto}
.nav-menu a{
  padding:8px 14px;border-radius:8px;font-size:15px;
  color:var(--muted);
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-menu a.active{color:var(--text);background:rgba(255,61,127,.15);position:relative}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--grad);border-radius:2px;
}
.nav-cta{
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:600;
  background:var(--grad);color:#fff;
  box-shadow:0 8px 20px rgba(255,61,127,.35);
}
.nav-cta:hover{color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:8px;background:rgba(255,255,255,.06)}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;background:#fff;margin:0 auto;position:relative;
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}

/* page hero */
.cat-hero{
  position:relative;overflow:hidden;
  padding:110px 0 90px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  filter:brightness(.35) saturate(1.1);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(13,10,20,.5) 0%,rgba(13,10,20,.9) 100%),
             radial-gradient(circle at 20% 20%,rgba(255,61,127,.35),transparent 55%),
             radial-gradient(circle at 80% 60%,rgba(139,92,246,.35),transparent 55%);
}
.crumbs{display:flex;gap:8px;font-size:14px;color:var(--muted);margin-bottom:22px}
.crumbs a:hover{color:var(--primary)}
.crumbs span{opacity:.5}
.hero-flag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,61,127,.15);
  border:1px solid rgba(255,61,127,.35);
  color:#ffb1cf;font-size:13px;letter-spacing:.5px;
  margin-bottom:20px;
}
.hero-flag::before{content:"●";color:var(--primary);animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.3}}
.cat-hero h1{
  font-size:56px;line-height:1.15;letter-spacing:-.5px;
  max-width:820px;
}
.cat-hero h1 em{font-style:normal;background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero .lead{
  margin-top:22px;font-size:18px;color:#d7cfe6;max-width:720px;
}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:12px;font-weight:600;font-size:15px;
  transition:transform .2s,box-shadow .2s,background .2s;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,61,127,.4)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,61,127,.55)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid var(--line-2)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-stats{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:820px;
}
.hero-stat{
  padding:18px 22px;border-radius:14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.hero-stat b{display:block;font-size:28px;background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat span{font-size:13px;color:var(--muted)}

/* section base */
section{padding:90px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.sec-head .tag{
  display:inline-block;font-size:13px;letter-spacing:2px;
  color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{font-size:38px;letter-spacing:-.3px}
.sec-head p{color:var(--muted);max-width:520px;margin-top:12px}

/* highlights */
.highlights{background:var(--bg-soft)}
.hi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.hi-card{
  padding:32px 28px;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);
  position:relative;overflow:hidden;
  transition:transform .3s,border-color .3s;
}
.hi-card:hover{transform:translateY(-6px);border-color:rgba(255,61,127,.35)}
.hi-card::before{
  content:"";position:absolute;top:0;right:0;width:120px;height:120px;
  background:var(--grad);opacity:.12;border-radius:50%;
  transform:translate(40%,-40%);
}
.hi-ico{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--grad);font-size:22px;margin-bottom:20px;font-weight:700;color:#fff;
}
.hi-card h3{font-size:20px;margin-bottom:10px}
.hi-card p{color:var(--muted);font-size:15px;margin:0}
.hi-card ul{margin-top:16px;display:flex;flex-wrap:wrap;gap:6px}
.hi-card li{
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(255,255,255,.05);color:#d7cfe6;
}

/* scenes */
.scenes{background:var(--bg)}
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  border-radius:var(--radius);overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line);
  display:grid;grid-template-columns:200px 1fr;
  transition:transform .3s,border-color .3s;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.4)}
.scene-cover{position:relative;overflow:hidden}
.scene-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scene-card:hover .scene-cover img{transform:scale(1.08)}
.scene-cover::after{
  content:"HD";position:absolute;top:10px;left:10px;
  background:rgba(0,0,0,.7);color:var(--gold);padding:3px 8px;
  font-size:11px;font-weight:700;border-radius:4px;letter-spacing:1px;
}
.scene-body{padding:22px 24px}
.scene-body h3{font-size:19px;margin-bottom:8px}
.scene-body p{color:var(--muted);font-size:14px;margin:0 0 14px}
.scene-meta{display:flex;gap:14px;font-size:13px;color:#c4b8dc}
.scene-meta span::before{content:"·";margin-right:8px;color:var(--primary)}
.scene-meta span:first-child::before{display:none}

/* library grid */
.library{background:var(--bg-soft)}
.lib-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.lib-card{
  border-radius:var(--radius);overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line);
  transition:transform .3s;
}
.lib-card:hover{transform:translateY(-6px)}
.lib-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.lib-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.lib-card:hover .lib-thumb img{transform:scale(1.1)}
.lib-thumb::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.75) 100%);
  z-index:1;
}
.lib-badge{
  position:absolute;top:12px;right:12px;z-index:2;
  background:var(--grad);color:#fff;padding:4px 10px;border-radius:6px;
  font-size:11px;font-weight:700;letter-spacing:.5px;
}
.lib-dur{
  position:absolute;bottom:10px;right:10px;z-index:2;
  background:rgba(0,0,0,.75);color:#fff;padding:3px 8px;border-radius:4px;
  font-size:12px;font-family:monospace;
}
.lib-body{padding:16px 18px 20px}
.lib-body h4{font-size:15px;margin-bottom:8px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.lib-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}
.lib-meta .views{color:var(--gold)}

/* flow */
.flow{background:var(--bg)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.flow-step{
  padding:28px 24px;border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--line);
  position:relative;
  counter-increment:step;
}
.flow-step::before{
  content:"0" counter(step);
  position:absolute;top:20px;right:24px;
  font-size:44px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:.4;
}
.flow-step h4{font-size:18px;margin-bottom:10px;position:relative;z-index:2}
.flow-step p{color:var(--muted);font-size:14px;margin:0;position:relative;z-index:2}

/* faq */
.faq{background:var(--bg-soft)}
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--panel);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s;
}
.faq-item:hover{border-color:rgba(255,61,127,.3)}
.faq-item summary{
  padding:20px 24px;font-weight:600;font-size:16px;
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--primary);
  transition:transform .3s;font-weight:400;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .a{padding:0 24px 22px;color:var(--muted);font-size:15px}

/* cta */
.cta{
  padding:100px 0;
  background:
    radial-gradient(circle at 20% 30%,rgba(255,61,127,.25),transparent 50%),
    radial-gradient(circle at 80% 70%,rgba(139,92,246,.25),transparent 50%),
    linear-gradient(180deg,var(--bg-soft),var(--bg));
}
.cta-box{
  max-width:900px;margin:0 auto;text-align:center;
  padding:60px 40px;border-radius:24px;
  background:linear-gradient(160deg,rgba(255,61,127,.1),rgba(139,92,246,.1));
  border:1px solid rgba(255,61,127,.25);
  position:relative;overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover;
  opacity:.15;
}
.cta-box > *{position:relative;z-index:2}
.cta-box h2{font-size:40px;margin-bottom:16px;letter-spacing:-.3px}
.cta-box p{color:#d7cfe6;font-size:17px;max-width:600px;margin:0 auto 30px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* footer */
.site-footer{background:#0a0812;border-top:1px solid var(--line);padding:70px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-brand p{color:var(--muted);font-size:14px;margin:16px 0 20px;max-width:340px}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:38px;height:38px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;color:var(--muted);
}
.foot-social a:hover{background:var(--grad);color:#fff;border-color:transparent}
.foot-col h4{font-size:15px;margin-bottom:16px;color:#fff}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{color:var(--muted);font-size:14px}
.foot-col ul a:hover{color:var(--primary)}
.foot-bottom{
  padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--muted);
}
.foot-bottom a{color:#c4b8dc}
.foot-bottom a:hover{color:var(--primary)}

/* responsive */
@media (max-width:1024px){
  .cat-hero h1{font-size:44px}
  .hi-grid,.flow-grid{grid-template-columns:repeat(2,1fr)}
  .lib-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:block}
  section{padding:64px 0}
  .cat-hero{padding:70px 0 60px}
  .cat-hero h1{font-size:34px}
  .cat-hero .lead{font-size:16px}
  .sec-head h2{font-size:28px}
  .scene-grid,.lib-grid{grid-template-columns:1fr}
  .scene-card{grid-template-columns:130px 1fr}
  .cta-box{padding:44px 24px}
  .cta-box h2{font-size:28px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px}
  .hero-stat{padding:14px 16px}
  .hero-stat b{font-size:22px}
  .hi-grid,.flow-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .scene-card{grid-template-columns:1fr}
  .scene-cover{aspect-ratio:16/9}
}

/* roulang page: category2 */
:root{
  --bg:#0d0910;
  --bg-2:#141019;
  --surface:#1b1622;
  --surface-2:#241d2e;
  --line:#2c2436;
  --text:#f4eef7;
  --muted:#a89db6;
  --primary:#ff3d7f;
  --primary-2:#ff7a4c;
  --accent:#8b5cf6;
  --gold:#f5c86b;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.6);
  --shadow-hover:0 24px 60px -20px rgba(255,61,127,.45);
  --gap:clamp(16px,2vw,28px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -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(--primary)}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
.container{width:min(1200px,92%);margin-inline:auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,9,16,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:conic-gradient(from 210deg,var(--primary),var(--accent),var(--primary-2),var(--primary));
  box-shadow:0 6px 20px rgba(255,61,127,.5);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border-radius:6px;
  background:var(--bg);
}
.brand-name{background:linear-gradient(90deg,#fff,#ffd4e4);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;gap:6px;flex:1;justify-content:center}
.nav-menu a{
  padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--muted);
  transition:all .2s;
}
.nav-menu a:hover{color:var(--text);background:var(--surface)}
.nav-menu a.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 6px 20px -8px var(--primary)}
.nav-cta{
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:600;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;box-shadow:0 8px 22px -10px var(--primary);
}
.nav-cta:hover{color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;background:var(--surface);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:10px;right:10px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span{top:19px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}

/* Category Hero */
.cat-hero{
  position:relative;padding:80px 0 70px;
  background:
    linear-gradient(180deg,rgba(13,9,16,.6) 0%,rgba(13,9,16,.9) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;top:-100px;right:-80px;width:400px;height:400px;
  background:radial-gradient(circle,rgba(255,61,127,.35),transparent 60%);
  filter:blur(10px);
}
.cat-hero::after{
  content:"";position:absolute;bottom:-120px;left:-60px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(139,92,246,.3),transparent 60%);
}
.crumbs{
  position:relative;z-index:2;
  font-size:13px;color:var(--muted);margin-bottom:22px;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.5}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,61,127,.14);border:1px solid rgba(255,61,127,.35);
  font-size:13px;color:#ffb4c9;margin-bottom:20px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary)}
h1.hero-title{
  font-size:clamp(34px,4.6vw,58px);line-height:1.15;font-weight:800;margin-bottom:20px;
  letter-spacing:-.5px;
}
h1.hero-title em{
  font-style:normal;
  background:linear-gradient(90deg,var(--primary),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{font-size:16.5px;color:#d5c9e0;max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:12px;font-weight:600;font-size:15px;
  transition:all .25s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;box-shadow:0 12px 30px -10px var(--primary);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-ghost{
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(255,61,127,.08);color:#fff}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px;max-width:520px;
}
.stat{padding:14px 16px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:14px}
.stat b{display:block;font-size:24px;color:#fff;font-weight:700}
.stat span{font-size:12.5px;color:var(--muted)}

.hero-cover{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/5;box-shadow:0 30px 60px -20px rgba(0,0,0,.7);
  transform:rotate(2deg);
}
.hero-cover img{width:100%;height:100%;object-fit:cover}
.hero-cover::after{
  content:"HD · 剧情";position:absolute;top:16px;left:16px;
  padding:6px 12px;border-radius:8px;
  background:rgba(0,0,0,.55);backdrop-filter:blur(6px);
  font-size:12px;font-weight:600;letter-spacing:1px;
}
.hero-cover-info{
  position:absolute;left:16px;right:16px;bottom:16px;
  padding:14px 16px;border-radius:14px;
  background:linear-gradient(135deg,rgba(255,61,127,.75),rgba(139,92,246,.7));
  backdrop-filter:blur(6px);
}
.hero-cover-info h4{font-size:15px;margin-bottom:4px}
.hero-cover-info p{font-size:12.5px;color:rgba(255,255,255,.85)}

/* Sections */
section{padding:74px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 46px}
.sec-tag{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:rgba(139,92,246,.14);color:#c4b5fd;
  font-size:12.5px;letter-spacing:2px;margin-bottom:14px;
}
.sec-title{font-size:clamp(26px,3vw,38px);font-weight:700;margin-bottom:14px;line-height:1.25}
.sec-sub{color:var(--muted);font-size:15.5px}

/* Highlights */
.highlights{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.hl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.hl-card{
  padding:28px 24px;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);
  transition:transform .3s,border-color .3s,box-shadow .3s;
  position:relative;overflow:hidden;
}
.hl-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:translateX(-100%);transition:transform .4s;
}
.hl-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-hover)}
.hl-card:hover::before{transform:translateX(0)}
.hl-ico{
  width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:18px;
}
.hl-card h3{font-size:18px;margin-bottom:10px}
.hl-card p{color:var(--muted);font-size:14px;line-height:1.7}

/* Series */
.series{background:var(--bg-2)}
.series-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.series-card{
  border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  transition:transform .3s,box-shadow .3s;
  display:flex;flex-direction:column;
}
.series-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.series-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.series-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.series-card:hover .series-thumb img{transform:scale(1.06)}
.series-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.75) 100%);
}
.series-meta-top{
  position:absolute;top:12px;left:12px;right:12px;z-index:2;
  display:flex;justify-content:space-between;
}
.badge{
  padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600;
  background:rgba(0,0,0,.55);backdrop-filter:blur(4px);
}
.badge.hot{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}
.badge.new{background:rgba(245,200,107,.9);color:#3a2a05}
.series-duration{
  position:absolute;bottom:14px;right:14px;z-index:2;
  padding:4px 10px;border-radius:6px;
  background:rgba(0,0,0,.7);font-size:12px;font-family:"Courier New",monospace;
}
.series-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.series-tags{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.series-tags span{
  padding:3px 10px;border-radius:6px;font-size:12px;
  background:rgba(139,92,246,.12);color:#c4b5fd;
}
.series-card h3{font-size:18px;margin-bottom:10px;line-height:1.4}
.series-card p{color:var(--muted);font-size:14px;flex:1;margin-bottom:16px}
.series-foot{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.series-foot b{color:var(--gold);font-weight:600}

/* Scenes */
.scenes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.scene{
  padding:32px 26px;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--surface) 0%,rgba(139,92,246,.08) 100%);
  border:1px solid var(--line);
  position:relative;
}
.scene-num{
  position:absolute;top:20px;right:24px;
  font-size:52px;font-weight:800;line-height:1;
  background:linear-gradient(180deg,rgba(255,61,127,.35),rgba(255,61,127,.02));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.scene h3{font-size:20px;margin-bottom:12px;position:relative}
.scene p{color:var(--muted);font-size:14.5px;line-height:1.75;margin-bottom:16px}
.scene ul li{
  padding:6px 0 6px 20px;position:relative;font-size:13.5px;color:#c9bfd8;
}
.scene ul li::before{
  content:"";position:absolute;left:0;top:14px;width:8px;height:8px;
  border-radius:2px;background:var(--primary);
}

/* Process */
.process{background:var(--bg-2)}
.proc-line{
  display:grid;grid-template-columns:repeat(5,1fr);gap:12px;
  position:relative;
}
.proc-line::before{
  content:"";position:absolute;left:5%;right:5%;top:32px;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent),var(--gold));
  opacity:.3;z-index:0;
}
.proc-item{position:relative;z-index:1;text-align:center;padding:0 10px}
.proc-dot{
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:700;margin:0 auto 18px;
  box-shadow:0 12px 30px -10px var(--primary);
  border:4px solid var(--bg-2);
}
.proc-item h4{font-size:16px;margin-bottom:8px}
.proc-item p{font-size:13.5px;color:var(--muted);line-height:1.65}

/* Playback */
.playback-wrap{
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.pb-list{display:flex;flex-direction:column;gap:14px}
.pb-item{
  display:flex;gap:18px;padding:20px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .2s,background .2s;
}
.pb-item:hover{border-color:var(--primary);background:var(--surface-2)}
.pb-ico{
  flex-shrink:0;width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:20px;
  background:rgba(255,61,127,.14);color:var(--primary);
}
.pb-item h4{font-size:16px;margin-bottom:6px}
.pb-item p{font-size:13.5px;color:var(--muted);line-height:1.6}
.pb-cover{
  border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:0 24px 50px -20px rgba(0,0,0,.6);
  position:relative;
}
.pb-cover img{width:100%;height:100%;object-fit:cover}
.pb-cover::before{
  content:"▶";position:absolute;inset:0;margin:auto;
  width:80px;height:80px;border-radius:50%;
  background:rgba(255,61,127,.9);
  display:flex;align-items:center;justify-content:center;
  font-size:28px;color:#fff;padding-left:6px;
  box-shadow:0 20px 40px rgba(255,61,127,.5);
}

/* FAQ */
.faq{background:var(--bg-2)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);overflow:hidden;
}
.faq-q{
  width:100%;padding:20px 24px;text-align:left;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-size:16px;font-weight:600;color:#fff;
}
.faq-q::after{
  content:"+";font-size:24px;color:var(--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(--muted);font-size:14.5px;line-height:1.75;
  transition:max-height .35s ease,padding .3s;
}
.faq-item.open .faq-a{max-height:260px;padding:0 24px 22px}

/* CTA */
.cta-band{
  padding:74px 0;
  background:
    linear-gradient(120deg,rgba(255,61,127,.85),rgba(139,92,246,.85)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  text-align:center;position:relative;overflow:hidden;
}
.cta-band h2{font-size:clamp(28px,3.4vw,42px);margin-bottom:16px;color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:560px;margin:0 auto 28px;font-size:16px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-light{background:#fff;color:#111}
.btn-light:hover{color:#111;background:#ffd4e4;transform:translateY(-2px)}
.btn-outline{border:1px solid rgba(255,255,255,.6);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.15);color:#fff}

/* Footer */
.site-footer{background:#08050b;padding:64px 0 24px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-brand p{color:var(--muted);font-size:14px;margin:16px 0 20px;max-width:340px;line-height:1.75}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:38px;height:38px;border-radius:10px;background:var(--surface);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:600;color:var(--muted);
  border:1px solid var(--line);transition:all .2s;
}
.foot-social a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.foot-col h4{font-size:15px;margin-bottom:18px;color:#fff}
.foot-col ul li{margin-bottom:10px}
.foot-col a{color:var(--muted);font-size:14px}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--muted);
}
.foot-bottom a{color:var(--muted)}
.foot-bottom a:hover{color:var(--primary)}

/* Responsive */
@media (max-width:1024px){
  .hero-inner,.playback-wrap{grid-template-columns:1fr;gap:36px}
  .hero-cover{max-width:380px;margin:0 auto;transform:none}
  .hl-grid{grid-template-columns:repeat(2,1fr)}
  .series-grid,.scenes-grid{grid-template-columns:repeat(2,1fr)}
  .proc-line{grid-template-columns:repeat(3,1fr);gap:26px}
  .proc-line::before{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:block}
  .nav-menu.open{
    display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;
    background:var(--bg-2);padding:16px 20px;border-bottom:1px solid var(--line);gap:4px;
  }
  .nav-menu.open a{padding:12px 14px;border-radius:10px}
  section{padding:56px 0}
  .cat-hero{padding:56px 0 50px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .stat{padding:10px 12px}
  .stat b{font-size:19px}
}
@media (max-width:520px){
  .hl-grid,.series-grid,.scenes-grid{grid-template-columns:1fr}
  .proc-line{grid-template-columns:1fr;gap:22px}
  .foot-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%;justify-content:center}
  h1.hero-title{font-size:32px}
}

/* roulang page: category4 */
:root{
  --bg:#0d0a12;
  --bg-soft:#15111d;
  --surface:#1c1728;
  --surface-2:#241d33;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --text:#f4eefb;
  --muted:#a89cc0;
  --primary:#e0447c;
  --primary-2:#c22e64;
  --accent:#f2b544;
  --gold:#e8c887;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.65);
  --shadow-hover:0 24px 60px -18px rgba(224,68,124,.35);
  --gap:24px;
  --container:1200px;
  --transition:.25s ease;
}
*,*::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(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none;padding:0;margin:0}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:700}
p{margin:0 0 1em}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,10,18,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.site-header .nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 6px 20px -6px rgba(224,68,124,.6);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:6px;
  background:rgba(13,10,18,.85);
}
.brand-name{font-size:18px;letter-spacing:.5px}
.nav-menu{display:flex;gap:6px;flex:1;justify-content:center;flex-wrap:wrap}
.nav-menu a{
  padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--muted);
  transition:all var(--transition);
}
.nav-menu a:hover{color:var(--text);background:var(--surface)}
.nav-menu a.active{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 20px -10px var(--primary);
}
.nav-cta{
  padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;
  background:linear-gradient(135deg,var(--accent),#f28642);
  color:#20140a !important;
  box-shadow:0 10px 24px -12px rgba(242,181,68,.6);
}
.nav-cta:hover{transform:translateY(-1px);color:#20140a !important}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;background:var(--surface);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--text);
  position:absolute;left:11px;top:19px;transition:var(--transition);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* Hero (category variant, non-hero-copy version) */
.cat-hero{
  position:relative;overflow:hidden;
  padding:72px 0 60px;
  background:
    linear-gradient(180deg,rgba(13,10,18,.55) 0%,rgba(13,10,18,.9) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 30%,rgba(224,68,124,.25),transparent 55%),
             radial-gradient(circle at 80% 70%,rgba(242,181,68,.18),transparent 60%);
  pointer-events:none;
}
.crumbs{
  position:relative;font-size:13.5px;color:var(--muted);
  margin-bottom:24px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.crumbs a:hover{color:var(--accent)}
.crumbs span.sep{opacity:.5}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(232,200,135,.12);color:var(--gold);
  border:1px solid rgba(232,200,135,.35);
  font-size:13px;letter-spacing:.5px;
}
.cat-hero h1{
  font-size:clamp(30px,4vw,46px);
  margin:18px 0 16px;
  background:linear-gradient(90deg,#fff 0%,#f8d7a5 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero .lead{font-size:17px;color:#d8cce8;max-width:560px;margin-bottom:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 28px;margin-bottom:28px}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta strong{font-size:24px;color:var(--accent);font-weight:700}
.hero-meta span{font-size:13px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:12px;font-weight:600;font-size:14.5px;
  transition:all var(--transition);cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;box-shadow:0 14px 30px -14px var(--primary);
}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:var(--shadow-hover)}
.btn-ghost{
  background:transparent;border:1px solid var(--border-strong);color:var(--text);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:0 30px 80px -30px rgba(0,0,0,.8);
  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:linear-gradient(180deg,transparent 40%,rgba(13,10,18,.85) 100%);
}
.hero-visual .badge{
  position:absolute;top:16px;left:16px;z-index:2;
  padding:6px 12px;border-radius:8px;
  background:rgba(13,10,18,.75);backdrop-filter:blur(6px);
  border:1px solid var(--border-strong);
  font-size:12px;color:var(--gold);letter-spacing:.5px;
}
.hero-visual .caption{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
}
.hero-visual .caption h3{font-size:20px;margin-bottom:6px}
.hero-visual .caption p{font-size:13px;color:#c9bfd8;margin:0}

/* Section shared */
section{padding:72px 0}
section.tight{padding:56px 0}
.sec-head{max-width:720px;margin:0 auto 44px;text-align:center}
.sec-head .kicker{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:rgba(224,68,124,.12);color:var(--primary);
  border:1px solid rgba(224,68,124,.3);
  font-size:12.5px;letter-spacing:1px;text-transform:uppercase;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(24px,3vw,34px)}
.sec-head p{color:var(--muted);font-size:15.5px;margin:0}

/* Eras timeline */
.eras{background:var(--bg-soft)}
.era-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.era-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px 22px;
  position:relative;overflow:hidden;
  transition:all var(--transition);
}
.era-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
  opacity:0;transition:var(--transition);
}
.era-card:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.era-card:hover::before{opacity:1}
.era-num{
  font-size:32px;font-weight:800;color:var(--accent);
  font-family:Georgia,serif;line-height:1;margin-bottom:10px;
}
.era-card h3{font-size:18px;margin-bottom:8px}
.era-card p{color:var(--muted);font-size:14px;margin:0}
.era-card .era-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.era-card .era-tags span{
  font-size:11.5px;padding:3px 9px;border-radius:6px;
  background:rgba(255,255,255,.05);color:var(--muted);
}

/* Featured collections */
.collections{background:var(--bg)}
.col-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:auto auto;gap:22px}
.col-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  min-height:260px;
  border:1px solid var(--border);
  transition:transform var(--transition),box-shadow var(--transition);
  isolation:isolate;
}
.col-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .6s ease;
}
.col-card::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(13,10,18,.15) 0%,rgba(13,10,18,.92) 100%);
}
.col-card .body{
  position:absolute;left:24px;right:24px;bottom:22px;z-index:2;
}
.col-card .flag{
  display:inline-block;padding:4px 10px;border-radius:6px;
  background:rgba(242,181,68,.9);color:#20140a;
  font-size:11.5px;font-weight:700;letter-spacing:.5px;
  margin-bottom:12px;
}
.col-card h3{font-size:22px;margin-bottom:8px;color:#fff}
.col-card p{color:#d0c5df;font-size:14px;margin:0 0 12px}
.col-card .meta{color:var(--gold);font-size:12.5px;letter-spacing:.5px}
.col-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.col-card:hover img{transform:scale(1.06)}
.col-card.wide{grid-row:span 2;min-height:540px}
.col-card.wide h3{font-size:28px}

/* Curator list */
.curator{background:var(--bg-soft)}
.curator-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.curator-visual{
  border-radius:var(--radius-lg);overflow:hidden;
  position:relative;aspect-ratio:5/4;
  border:1px solid var(--border);
}
.curator-visual img{width:100%;height:100%;object-fit:cover}
.curator-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(224,68,124,.25),transparent 60%);
}
.curator-info h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:16px}
.curator-info>p{color:var(--muted);font-size:15px;margin-bottom:24px}
.curator-list{display:flex;flex-direction:column;gap:14px}
.curator-item{
  display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:center;
  padding:16px 18px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  transition:var(--transition);
}
.curator-item:hover{border-color:var(--primary);transform:translateX(4px)}
.curator-item .idx{
  width:44px;height:44px;border-radius:10px;
  background:linear-gradient(135deg,var(--surface-2),var(--surface));
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:var(--accent);font-family:Georgia,serif;font-size:18px;
  border:1px solid var(--border);
}
.curator-item .info h4{font-size:15.5px;margin-bottom:3px}
.curator-item .info p{margin:0;color:var(--muted);font-size:13px}
.curator-item .score{color:var(--accent);font-weight:700;font-size:14px}

/* Vault features */
.features{background:var(--bg)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat-card{
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 26px;transition:var(--transition);
  position:relative;overflow:hidden;
}
.feat-card:hover{border-color:var(--primary);transform:translateY(-3px)}
.feat-ic{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,rgba(224,68,124,.2),rgba(242,181,68,.15));
  border:1px solid var(--border-strong);
  display:flex;align-items:center;justify-content:center;font-size:24px;
  margin-bottom:18px;
}
.feat-card h3{font-size:18px;margin-bottom:10px}
.feat-card p{color:var(--muted);font-size:14.5px;margin:0}

/* Workflow */
.workflow{background:var(--bg-soft)}
.flow-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  position:relative;counter-reset:step;
}
.flow-steps::before{
  content:"";position:absolute;left:8%;right:8%;top:38px;height:2px;
  background:linear-gradient(90deg,transparent,var(--border-strong),transparent);
  z-index:0;
}
.flow-step{position:relative;text-align:center;padding:0 14px;z-index:1}
.flow-step .dot{
  width:76px;height:76px;border-radius:50%;
  background:var(--surface);border:2px solid var(--border-strong);
  margin:0 auto 18px;display:flex;align-items:center;justify-content:center;
  font-family:Georgia,serif;font-weight:800;font-size:26px;color:var(--accent);
  transition:var(--transition);
}
.flow-step:hover .dot{
  border-color:var(--primary);
  box-shadow:0 0 0 6px rgba(224,68,124,.15);
}
.flow-step h4{font-size:16px;margin-bottom:6px}
.flow-step p{color:var(--muted);font-size:13.5px;margin:0}

/* FAQ */
.faq{background:var(--bg)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:22px 26px;
  transition:var(--transition);
}
.faq-item[open]{border-color:var(--primary)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-weight:600;font-size:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:24px;color:var(--accent);transition:var(--transition);
  font-weight:300;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .a{padding-top:14px;color:var(--muted);font-size:14.5px;line-height:1.7}

/* CTA */
.cta{
  background:
    linear-gradient(120deg,rgba(224,68,124,.9),rgba(194,46,100,.85)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:80px 0;text-align:center;
}
.cta h2{font-size:clamp(26px,3vw,36px);margin-bottom:14px;color:#fff}
.cta p{font-size:16px;color:#fbe6ee;max-width:560px;margin:0 auto 28px}
.cta .btn-primary{background:#fff;color:var(--primary-2)}
.cta .btn-primary:hover{background:var(--accent);color:#20140a}
.cta .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* Footer */
.site-footer{
  background:#08060c;border-top:1px solid var(--border);
  padding:64px 0 30px;color:var(--muted);
}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid var(--border);
}
.foot-brand p{margin:16px 0;font-size:14px;line-height:1.75}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:38px;height:38px;border-radius:10px;
  background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--muted);transition:var(--transition);
}
.foot-social a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.foot-col h4{color:var(--text);font-size:15px;margin-bottom:16px}
.foot-col ul li{margin-bottom:10px;font-size:14px}
.foot-col ul a:hover{color:var(--accent)}
.foot-bottom{
  padding-top:22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-size:13px;
}
.foot-bottom a:hover{color:var(--accent)}

/* Responsive */
@media (max-width:1024px){
  .col-grid{grid-template-columns:1fr 1fr}
  .col-card.wide{grid-row:auto;min-height:300px}
  .col-card.wide h3{font-size:22px}
  .era-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .curator-wrap{grid-template-columns:1fr;gap:28px}
  .flow-steps{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .flow-steps::before{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  section{padding:56px 0}
  .cat-hero{padding:52px 0 44px}
  .cat-hero-inner{grid-template-columns:1fr;gap:32px}
  .nav-menu{display:none}
  .nav-menu.open{
    display:flex;flex-direction:column;position:absolute;top:70px;left:16px;right:16px;
    background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);
    padding:14px;gap:4px;box-shadow:var(--shadow);
  }
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .col-grid{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-meta{gap:12px 20px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .era-grid{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr}
  .curator-item{grid-template-columns:38px 1fr auto;padding:14px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .cat-hero h1{font-size:28px}
  .hero-meta strong{font-size:20px}
}

/* roulang page: category3 */
:root{
  --bg:#08070c;
  --bg-2:#101019;
  --panel:#161522;
  --panel-2:#1d1c2c;
  --line:rgba(255,255,255,.08);
  --text:#f4f2fb;
  --muted:#9e9bb4;
  --primary:#ff2e6a;
  --primary-2:#ff7a2e;
  --accent:#8b5cff;
  --gold:#ffd166;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-sm:0 8px 24px rgba(0,0,0,.35);
  --grad:linear-gradient(135deg,#ff2e6a 0%,#ff7a2e 50%,#8b5cff 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,46,106,.18),rgba(139,92,255,.18));
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.5px}
p{margin:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,7,12,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--grad);
  box-shadow:0 6px 18px rgba(255,46,106,.4);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;
  border-radius:4px;background:#fff;opacity:.9;
  clip-path:polygon(20% 15%,85% 50%,20% 85%);
}
.brand-name{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{
  padding:10px 16px;border-radius:999px;
  font-size:15px;color:var(--muted);
  transition:.25s;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-menu a.active{color:#fff;background:var(--grad);box-shadow:0 8px 22px rgba(255,46,106,.35)}
.nav-cta{
  padding:11px 22px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  font-size:14px;font-weight:600;
  transition:.25s;
}
.nav-cta:hover{background:var(--grad);border-color:transparent;transform:translateY(-1px);box-shadow:0 10px 25px rgba(255,46,106,.4)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.06);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:10px;right:10px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span{top:50%}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}

/* Breadcrumb */
.crumb{padding:22px 0 0;color:var(--muted);font-size:13.5px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--text)}
.crumb .sep{margin:0 8px;opacity:.5}
.crumb .now{color:var(--text)}

/* Hero */
.hero{
  position:relative;padding:70px 0 90px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,7,12,.35) 0%,rgba(8,7,12,.85) 60%,var(--bg) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  z-index:-1;
}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,209,102,.14);
  border:1px solid rgba(255,209,102,.35);
  color:var(--gold);font-size:13px;font-weight:600;
  margin-bottom:22px;
}
.hero-tag::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px var(--gold)}
.hero h1{
  font-size:clamp(34px,4.6vw,56px);
  line-height:1.15;margin-bottom:22px;
  background:linear-gradient(135deg,#fff 0%,#ffd6e2 55%,#ffb27a 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17px;color:#d4d1e6;max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-weight:600;font-size:15px;
  transition:.25s;cursor:pointer;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 34px rgba(255,46,106,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,46,106,.55)}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.hero-meta{display:flex;gap:34px;flex-wrap:wrap}
.hero-meta div{display:flex;flex-direction:column;gap:4px}
.hero-meta strong{font-size:26px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-meta span{color:var(--muted);font-size:13px}

.hero-card{
  position:relative;
  border-radius:24px;overflow:hidden;
  background:var(--panel);
  box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.hero-card img{width:100%;height:420px;object-fit:cover}
.hero-card .badge-4k{
  position:absolute;top:20px;left:20px;
  padding:8px 14px;border-radius:8px;
  background:rgba(0,0,0,.7);
  border:1px solid var(--gold);
  color:var(--gold);
  font-weight:800;font-size:13px;letter-spacing:1px;
}
.hero-card .badge-hdr{
  position:absolute;top:20px;right:20px;
  padding:8px 14px;border-radius:8px;
  background:var(--grad);
  color:#fff;font-weight:800;font-size:12px;letter-spacing:1px;
}
.hero-card .card-info{
  position:absolute;left:20px;right:20px;bottom:20px;
  padding:18px 20px;border-radius:14px;
  background:rgba(10,9,15,.78);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
}
.hero-card .card-info h4{font-size:17px;margin-bottom:6px}
.hero-card .card-info p{color:var(--muted);font-size:13px}
.hero-card .card-info .info-row{display:flex;justify-content:space-between;align-items:center;margin-top:10px}
.hero-card .card-info .info-row span{font-size:12px;color:var(--muted)}
.hero-card .card-info .info-row .rate{color:var(--gold);font-weight:700}

/* Spec strip */
.spec{padding:50px 0;background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.spec-card{
  padding:26px 24px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  transition:.3s;
}
.spec-card:hover{transform:translateY(-4px);border-color:rgba(255,46,106,.4);box-shadow:var(--shadow-sm)}
.spec-icon{
  width:48px;height:48px;border-radius:12px;
  background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:16px;
}
.spec-card h4{font-size:17px;margin-bottom:8px}
.spec-card p{color:var(--muted);font-size:14px;line-height:1.65}

/* Section base */
.section{padding:90px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 54px}
.section-head .kicker{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:var(--grad-soft);
  color:var(--primary-2);font-size:13px;font-weight:600;
  margin-bottom:16px;letter-spacing:1px;
}
.section-head h2{font-size:clamp(28px,3.4vw,40px);line-height:1.25;margin-bottom:16px}
.section-head p{color:var(--muted);font-size:16px}

/* Featured grid */
.featured{background:var(--bg)}
.filter-bar{
  display:flex;justify-content:center;flex-wrap:wrap;gap:10px;
  margin-bottom:42px;
}
.filter-bar button{
  padding:9px 20px;border-radius:999px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--muted);font-size:14px;
  transition:.25s;
}
.filter-bar button:hover{color:var(--text);border-color:rgba(255,255,255,.25)}
.filter-bar button.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(255,46,106,.35)}
.film-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.film{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  transition:.3s;cursor:pointer;
}
.film:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.film-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.film-cover img{width:100%;height:100%;object-fit:cover;transition:.6s}
.film:hover .film-cover img{transform:scale(1.08)}
.film-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.85) 100%);
}
.film-tags{position:absolute;top:14px;left:14px;display:flex;gap:6px;z-index:2}
.tag{
  padding:4px 10px;border-radius:6px;
  font-size:11px;font-weight:700;letter-spacing:.5px;
}
.tag.tag-4k{background:var(--gold);color:#111}
.tag.tag-hdr{background:var(--accent);color:#fff}
.tag.tag-hot{background:var(--primary);color:#fff}
.tag.tag-new{background:#22c55e;color:#fff}
.film-play{
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%) scale(.8);
  width:64px;height:64px;border-radius:50%;
  background:rgba(255,255,255,.15);
  backdrop-filter:blur(10px);
  border:2px solid rgba(255,255,255,.4);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:.3s;z-index:2;
}
.film-play::after{
  content:"";width:0;height:0;
  border-left:16px solid #fff;
  border-top:10px solid transparent;
  border-bottom:10px solid transparent;
  margin-left:4px;
}
.film:hover .film-play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.film-duration{
  position:absolute;bottom:14px;right:14px;z-index:2;
  padding:4px 10px;border-radius:6px;
  background:rgba(0,0,0,.7);font-size:12px;font-weight:600;
}
.film-info{padding:20px}
.film-info h3{font-size:17px;margin-bottom:8px;line-height:1.4}
.film-info .meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px;margin-bottom:12px}
.film-info .meta .dot{width:3px;height:3px;background:var(--muted);border-radius:50%}
.film-info .stats{display:flex;justify-content:space-between;align-items:center;padding-top:14px;border-top:1px solid var(--line)}
.film-info .rating{color:var(--gold);font-weight:700;font-size:15px}
.film-info .views{color:var(--muted);font-size:13px}

/* Tech section */
.tech{
  padding:100px 0;
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
}
.tech-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
.tech-visual{
  position:relative;border-radius:24px;overflow:hidden;
  aspect-ratio:4/5;
  background:var(--panel);
  box-shadow:var(--shadow);
}
.tech-visual img{width:100%;height:100%;object-fit:cover}
.tech-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,46,106,.25),transparent 50%,rgba(139,92,255,.35));
  mix-blend-mode:overlay;
}
.tech-visual .tech-chip{
  position:absolute;top:24px;left:24px;
  padding:10px 16px;border-radius:10px;
  background:rgba(0,0,0,.6);backdrop-filter:blur(10px);
  border:1px solid var(--line);
  font-size:12px;font-weight:600;letter-spacing:1px;
}
.tech-list{display:flex;flex-direction:column;gap:22px}
.tech-item{
  display:flex;gap:20px;padding:24px;
  border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--line);
  transition:.3s;
}
.tech-item:hover{transform:translateX(6px);border-color:rgba(255,46,106,.4)}
.tech-num{
  flex-shrink:0;
  width:52px;height:52px;border-radius:12px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:#fff;
  box-shadow:0 8px 20px rgba(255,46,106,.3);
}
.tech-body h4{font-size:18px;margin-bottom:8px}
.tech-body p{color:var(--muted);font-size:14.5px;line-height:1.7}

/* Scenarios */
.scenarios{padding:90px 0;background:var(--bg-2)}
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.scene{
  padding:36px;border-radius:20px;
  background:var(--panel);
  border:1px solid var(--line);
  position:relative;overflow:hidden;
  transition:.3s;
}
.scene::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:.4s;
}
.scene:hover::before{transform:scaleX(1)}
.scene:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.scene-num{
  font-size:44px;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:.4;margin-bottom:12px;
}
.scene h3{font-size:20px;margin-bottom:14px}
.scene p{color:var(--muted);font-size:14.5px;margin-bottom:18px;line-height:1.75}
.scene ul{display:flex;flex-direction:column;gap:8px}
.scene ul li{
  padding-left:22px;position:relative;
  font-size:13.5px;color:#c8c5dc;
}
.scene ul li::before{
  content:"";position:absolute;left:0;top:9px;
  width:12px;height:12px;border-radius:3px;
  background:var(--grad);
}

/* Flow */
.flow{padding:90px 0}
.flow-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  position:relative;
}
.flow-step{
  padding:30px 24px;border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--line);
  position:relative;
  transition:.3s;
}
.flow-step::after{
  content:"→";
  position:absolute;right:-22px;top:50%;transform:translateY(-50%);
  font-size:24px;color:var(--primary);opacity:.6;
  z-index:2;
}
.flow-step:last-child::after{display:none}
.flow-step:hover{border-color:rgba(255,122,46,.4);transform:translateY(-4px)}
.flow-badge{
  display:inline-block;padding:4px 12px;border-radius:6px;
  background:var(--grad-soft);color:var(--primary-2);
  font-size:12px;font-weight:700;letter-spacing:1px;
  margin-bottom:14px;
}
.flow-step h4{font-size:17px;margin-bottom:10px}
.flow-step p{color:var(--muted);font-size:13.5px;line-height:1.7}

/* FAQ */
.faq{padding:90px 0;background:var(--bg-2)}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:.3s;
}
.faq-item:hover{border-color:rgba(255,46,106,.3)}
.faq-q{
  width:100%;padding:22px 26px;
  display:flex;justify-content:space-between;align-items:center;
  text-align:left;font-size:16px;font-weight:600;
  transition:.25s;
}
.faq-q:hover{background:rgba(255,255,255,.03)}
.faq-q .plus{
  width:28px;height:28px;border-radius:50%;
  background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;color:var(--primary);
  transition:.3s;flex-shrink:0;
}
.faq-item.open .plus{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .4s ease;
}
.faq-item.open .faq-a{max-height:300px}
.faq-a-inner{padding:0 26px 24px;color:var(--muted);font-size:15px;line-height:1.8}

/* CTA */
.cta{
  padding:90px 0;
  position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  filter:brightness(.3);z-index:-2;
}
.cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,46,106,.35),rgba(139,92,255,.4));
  z-index:-1;
}
.cta-inner{text-align:center;max-width:760px;margin:0 auto}
.cta-inner h2{font-size:clamp(30px,3.8vw,44px);line-height:1.25;margin-bottom:20px}
.cta-inner p{font-size:17px;color:#e6e3f5;margin-bottom:34px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta .btn-primary{background:#fff;color:var(--primary);box-shadow:0 14px 40px rgba(0,0,0,.4)}
.cta .btn-primary:hover{background:var(--gold);color:#111}
.cta .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3)}

/* Footer */
.site-footer{
  background:#050408;
  border-top:1px solid var(--line);
  padding:70px 0 30px;
  color:var(--muted);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:50px;margin-bottom:50px;
}
.foot-brand p{margin:16px 0 20px;font-size:14px;line-height:1.75;max-width:360px}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:38px;height:38px;border-radius:10px;
  background:rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
  transition:.25s;
}
.foot-social a:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col ul a{font-size:14px;transition:.2s}
.foot-col ul a:hover{color:var(--primary-2);padding-left:4px}
.foot-bottom{
  padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;
}
.foot-bottom a{color:var(--muted)}
.foot-bottom a:hover{color:var(--primary-2)}

/* Responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-card img{height:340px}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .film-grid{grid-template-columns:repeat(2,1fr)}
  .tech-inner{grid-template-columns:1fr;gap:40px}
  .flow-track{grid-template-columns:repeat(2,1fr)}
  .flow-step::after{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:block}
  .nav{height:64px}
  .section,.tech,.scenarios,.flow,.faq,.cta{padding:60px 0}
  .hero{padding:50px 0 70px}
  .scene-grid{grid-template-columns:1fr}
  .hero-meta{gap:20px}
  .hero-meta strong{font-size:22px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .spec-grid{grid-template-columns:1fr}
  .film-grid{grid-template-columns:1fr}
  .flow-track{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .hero-card img{height:280px}
  .film-cover{aspect-ratio:16/11}
  .filter-bar button{padding:8px 14px;font-size:13px}
}