/* roulang page: index */
:root{
  --bg:#0b0710;
  --bg-2:#141020;
  --bg-3:#1c1730;
  --surface:#1a1428;
  --surface-2:#221a34;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#f5f2ff;
  --muted:#a89fc3;
  --dim:#7d7597;
  --brand:#ff2f7a;
  --brand-2:#ff5f3d;
  --accent:#8b5cff;
  --gold:#ffcf5c;
  --ok:#3ddc97;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --shadow-s:0 4px 14px rgba(0,0,0,.35);
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --shadow-glow:0 10px 40px rgba(255,47,122,.35);
  --sp-1:8px;
  --sp-2:14px;
  --sp-3:22px;
  --sp-4:36px;
  --sp-5:60px;
  --sp-6:96px;
  --font: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:
    radial-gradient(1200px 600px at 85% -10%,rgba(139,92,255,.25),transparent 60%),
    radial-gradient(900px 500px at -10% 20%,rgba(255,47,122,.22),transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  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 .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.2;margin:0 0 var(--sp-2)}
p{margin:0 0 var(--sp-2)}
ul{margin:0;padding:0;list-style:none}

.container{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-6) 0}
.section-sm{padding:var(--sp-5) 0}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--brand);font-weight:700;margin-bottom:14px}
.section-head{max-width:760px;margin-bottom:var(--sp-4)}
.section-head h2{font-size:clamp(28px,3vw,42px)}
.section-head p{color:var(--muted);font-size:17px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(11,7,16,.72);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:.02em}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  display:grid;place-items:center;
  box-shadow:var(--shadow-glow);
  font-size:18px;color:#fff;font-weight:900;
}
.logo-text{background:linear-gradient(90deg,#fff,#ffd6e5);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:10px 16px;border-radius:10px;font-size:15px;color:var(--muted);
  font-weight:600;transition:all .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:#fff;background:linear-gradient(135deg,rgba(255,47,122,.22),rgba(139,92,255,.22));box-shadow:inset 0 0 0 1px var(--line-2)}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:12px;font-weight:700;font-size:15px;
  transition:all .25s ease;line-height:1;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 40px rgba(255,47,122,.5)}
.btn-ghost{border:1px solid var(--line-2);color:#fff;background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-lg{padding:15px 26px;font-size:16px;border-radius:14px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--line);align-items:center;justify-content:center}
.menu-toggle span{width:18px;height:2px;background:#fff;position:relative;display:block}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* Hero */
.hero{position:relative;padding:var(--sp-6) 0 var(--sp-5);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.28;filter:saturate(1.15);
  z-index:-2;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,7,16,.55) 0%,rgba(11,7,16,.85) 60%,var(--bg) 100%);
  z-index:-1;
}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(255,47,122,.14);color:#ffb0c8;
  border:1px solid rgba(255,47,122,.35);
  margin-bottom:22px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(255,47,122,.25)}
.hero h1{font-size:clamp(38px,4.6vw,64px);letter-spacing:-.02em;margin-bottom:18px}
.hero h1 .grad{background:linear-gradient(90deg,var(--brand) 0%,var(--gold) 50%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:18px;color:var(--muted);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:520px}
.hero-stats .stat-num{font-size:30px;font-weight:900;background:linear-gradient(135deg,#fff,#ffcf5c);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .stat-lbl{color:var(--dim);font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-top:4px}

.hero-preview{position:relative}
.preview-card{
  position:relative;border-radius:24px;overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px var(--line-2);
  aspect-ratio:9/13;
  background:#000;
}
.preview-card img{width:100%;height:100%;object-fit:cover;border-radius:0}
.preview-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.85) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:24px;
}
.preview-tag{
  align-self:flex-start;padding:5px 10px;border-radius:6px;
  background:rgba(255,47,122,.85);color:#fff;font-size:12px;font-weight:700;
  margin-bottom:12px;
}
.preview-title{font-size:20px;font-weight:800;margin-bottom:8px}
.preview-meta{color:#dcd3f5;font-size:13px;display:flex;gap:14px;align-items:center}
.preview-meta .quality{padding:3px 8px;border-radius:5px;background:linear-gradient(135deg,var(--gold),#ff8a3d);color:#1a0e00;font-weight:800}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:78px;height:78px;border-radius:50%;
  background:rgba(255,47,122,.9);
  display:grid;place-items:center;
  box-shadow:0 0 0 8px rgba(255,47,122,.25),0 20px 40px rgba(255,47,122,.5);
  animation:pulse 2.4s ease-in-out infinite;
}
.play-btn::after{content:"";width:0;height:0;border-left:22px solid #fff;border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:6px}
@keyframes pulse{0%,100%{box-shadow:0 0 0 8px rgba(255,47,122,.25),0 20px 40px rgba(255,47,122,.5)}50%{box-shadow:0 0 0 18px rgba(255,47,122,.05),0 20px 40px rgba(255,47,122,.5)}}
.floating-tag{
  position:absolute;padding:10px 14px;border-radius:12px;
  background:rgba(26,20,40,.85);backdrop-filter:blur(10px);
  border:1px solid var(--line-2);font-size:13px;font-weight:600;
  box-shadow:var(--shadow-s);
  display:flex;align-items:center;gap:8px;
}
.floating-tag .ic{width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--brand),var(--accent));display:grid;place-items:center;font-size:12px}
.tag-1{top:8%;left:-4%}
.tag-2{bottom:22%;right:-8%}
.tag-3{top:52%;left:-10%}

/* Category grid */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-card{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  aspect-ratio:4/5;
  box-shadow:var(--shadow);
  transition:transform .35s ease,box-shadow .35s ease;
  isolation:isolate;
}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,7,16,.1) 0%,rgba(11,7,16,.35) 40%,rgba(11,7,16,.92) 100%);
  z-index:1;
}
.cat-body{position:absolute;inset:auto 0 0 0;padding:22px;z-index:2}
.cat-body h3{font-size:22px;margin-bottom:6px}
.cat-body p{color:#dcd3f5;font-size:13.5px;margin-bottom:14px;line-height:1.55}
.cat-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.cat-tags span{padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.12);font-size:12px;color:#fff;border:1px solid rgba(255,255,255,.15)}
.cat-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:#fff;font-weight:700}
.cat-more::after{content:"→";transition:transform .25s ease}
.cat-card:hover{transform:translateY(-6px);box-shadow:0 30px 60px rgba(0,0,0,.6)}
.cat-card:hover img{transform:scale(1.08)}
.cat-card:hover .cat-more::after{transform:translateX(4px)}

/* Features */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{
  padding:32px 28px;border-radius:var(--radius-l);
  background:linear-gradient(180deg,var(--surface) 0%,var(--surface-2) 100%);
  border:1px solid var(--line);
  transition:all .3s ease;
  position:relative;overflow:hidden;
}
.feature::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .4s ease;
}
.feature:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow)}
.feature:hover::before{transform:scaleX(1)}
.feature-ic{
  width:56px;height:56px;border-radius:16px;
  background:linear-gradient(135deg,rgba(255,47,122,.2),rgba(139,92,255,.2));
  display:grid;place-items:center;font-size:26px;
  margin-bottom:20px;
  border:1px solid var(--line-2);
}
.feature h3{font-size:19px;margin-bottom:10px}
.feature p{color:var(--muted);font-size:14.5px;margin:0}

/* Latest list */
.split{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:start}
.latest-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:var(--sp-4);flex-wrap:wrap;gap:16px}
.latest-list{display:flex;flex-direction:column;gap:14px}
.latest-item{
  display:grid;grid-template-columns:56px 1fr auto;gap:18px;align-items:center;
  padding:18px 22px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);
  transition:all .25s ease;
}
.latest-item:hover{transform:translateX(4px);border-color:rgba(255,47,122,.4);background:linear-gradient(180deg,#221733,#2b1f42)}
.latest-num{
  width:56px;height:56px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  display:grid;place-items:center;font-weight:900;font-size:20px;color:#fff;
  box-shadow:0 6px 20px rgba(255,47,122,.35);
}
.latest-item:nth-child(1) .latest-num{background:linear-gradient(135deg,#ffcf5c,#ff8a3d);color:#3a1a00}
.latest-item:nth-child(2) .latest-num{background:linear-gradient(135deg,#c8d0e0,#7d8ba3);color:#101422}
.latest-item:nth-child(3) .latest-num{background:linear-gradient(135deg,#e08b5c,#a05a2b);color:#2a1300}
.latest-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.latest-meta{color:var(--dim);font-size:12.5px;display:flex;gap:12px}
.latest-meta .pill{padding:2px 8px;border-radius:5px;background:rgba(255,47,122,.14);color:#ffb0c8;font-weight:600}
.latest-empty{padding:40px;text-align:center;color:var(--muted);background:var(--surface);border-radius:var(--radius);border:1px dashed var(--line-2)}

.info-panel{
  padding:34px;border-radius:var(--radius-l);
  background:
    linear-gradient(135deg,rgba(255,47,122,.14),rgba(139,92,255,.14)),
    var(--surface);
  border:1px solid var(--line-2);
  position:sticky;top:96px;
}
.info-panel h3{font-size:22px;margin-bottom:12px}
.info-panel > p{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.info-list{display:flex;flex-direction:column;gap:14px;margin-bottom:26px}
.info-list li{display:flex;gap:12px;align-items:flex-start}
.info-list .chk{
  flex-shrink:0;width:24px;height:24px;border-radius:8px;
  background:linear-gradient(135deg,var(--ok),#2ba17b);
  display:grid;place-items:center;color:#fff;font-weight:900;font-size:14px;
}
.info-list b{color:#fff;font-size:14.5px;display:block;margin-bottom:2px}
.info-list span{color:var(--muted);font-size:13px;line-height:1.55}

/* Showcase */
.show-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.show-card{
  border-radius:var(--radius-l);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  transition:all .3s ease;
  display:flex;flex-direction:column;
}
.show-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow)}
.show-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.show-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.show-card:hover .show-thumb img{transform:scale(1.06)}
.show-thumb .badge{
  position:absolute;top:12px;left:12px;
  padding:5px 10px;border-radius:6px;font-size:11.5px;font-weight:800;
  background:linear-gradient(135deg,var(--gold),#ff8a3d);color:#2a1300;letter-spacing:.05em;
}
.show-thumb .dur{
  position:absolute;bottom:12px;right:12px;
  padding:4px 8px;border-radius:5px;font-size:12px;font-weight:700;
  background:rgba(0,0,0,.75);color:#fff;
}
.show-body{padding:22px;display:flex;flex-direction:column;flex:1}
.show-body h3{font-size:17px;margin-bottom:10px;line-height:1.4}
.show-body p{color:var(--muted);font-size:13.5px;margin-bottom:16px;flex:1}
.show-foot{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--dim);padding-top:14px;border-top:1px solid var(--line)}
.show-foot .views{color:#ffb0c8;font-weight:700}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  padding:30px 26px;border-radius:var(--radius-l);
  background:var(--surface);border:1px solid var(--line);
  position:relative;counter-increment:step;
}
.step::before{
  content:counter(step,decimal-leading-zero);
  font-size:44px;font-weight:900;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:10px;letter-spacing:-.03em;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;margin:0}

/* Testimonials */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.trust{
  padding:30px;border-radius:var(--radius-l);
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);
  position:relative;
}
.trust .quote{font-size:44px;line-height:1;color:var(--brand);font-family:Georgia,serif;position:absolute;top:16px;right:22px;opacity:.5}
.stars{color:var(--gold);margin-bottom:14px;letter-spacing:.05em;font-size:15px}
.trust p{font-size:15px;color:#e6dff5;margin-bottom:20px;line-height:1.7}
.trust-user{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  display:grid;place-items:center;color:#fff;font-weight:800;
}
.trust-user b{display:block;font-size:14.5px;color:#fff}
.trust-user span{font-size:12.5px;color:var(--dim)}

/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);margin-bottom:14px;overflow:hidden;
  transition:border-color .25s ease;
}
.faq-item[open]{border-color:rgba(255,47,122,.4);background:linear-gradient(180deg,var(--surface),var(--surface-2))}
.faq-item summary{
  list-style:none;padding:22px 26px;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:16.5px;font-weight:700;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";width:32px;height:32px;border-radius:50%;
  background:rgba(255,47,122,.14);border:1px solid rgba(255,47,122,.3);
  display:grid;place-items:center;font-size:20px;font-weight:400;color:var(--brand);
  transition:transform .3s ease;
  flex-shrink:0;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 26px 24px;color:var(--muted);font-size:15px;line-height:1.75}

/* CTA */
.cta-wrap{
  padding:60px;border-radius:32px;
  background:
    radial-gradient(600px 300px at 80% 0%,rgba(139,92,255,.35),transparent 60%),
    radial-gradient(500px 300px at 10% 100%,rgba(255,47,122,.35),transparent 60%),
    linear-gradient(135deg,#1e1533,#2a1a3d);
  border:1px solid var(--line-2);
  text-align:center;
  position:relative;overflow:hidden;
}
.cta-wrap h2{font-size:clamp(28px,3.4vw,44px);margin-bottom:16px}
.cta-wrap p{font-size:17px;color:#dcd3f5;max-width:640px;margin:0 auto 30px}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}

/* Footer */
.site-footer{
  background:linear-gradient(180deg,var(--bg-2),#0a0610);
  padding:70px 0 30px;margin-top:60px;
  border-top:1px solid var(--line);
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;margin-bottom:44px}
.foot-brand{max-width:340px}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:14px;line-height:1.7}
.foot-col h4{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--dim);margin-bottom:18px;font-weight:700}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{color:#c9bfdf;font-size:14.5px}
.foot-col ul a:hover{color:var(--brand)}
.foot-bottom{
  padding-top:26px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  color:var(--dim);font-size:13px;
}

/* Responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-preview{max-width:400px;margin:0 auto}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid,.show-grid,.trust-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .info-panel{position:static}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .floating-tag{display:none}
}
@media (max-width:768px){
  .section{padding:70px 0}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:rgba(11,7,16,.98);backdrop-filter:blur(14px);padding:20px;flex-direction:column;border-bottom:1px solid var(--line);gap:6px}
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:14px 18px;font-size:16px}
  .menu-toggle{display:flex}
  .nav-cta .btn{display:none}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:14px}
  .hero-stats .stat-num{font-size:22px}
  .cta-wrap{padding:40px 24px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .cat-grid{grid-template-columns:1fr}
  .feature-grid,.show-grid,.trust-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .latest-item{grid-template-columns:44px 1fr;padding:14px 16px}
  .latest-item > time{grid-column:2/3;color:var(--dim);font-size:12px}
  .hero h1{font-size:34px}
  .section-head h2{font-size:26px}
}

/* roulang page: category1 */
:root{
  --c-bg:#0b0b12;
  --c-surface:#141420;
  --c-surface-2:#1c1c2c;
  --c-border:#2a2a3d;
  --c-text:#f2f2f7;
  --c-muted:#9a9ab0;
  --c-primary:#ff2e6a;
  --c-primary-2:#ff6a3d;
  --c-accent:#7c5cff;
  --c-gold:#ffcc4d;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.35);
  --shadow-md:0 12px 32px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(255,46,106,.35),0 12px 40px rgba(255,46,106,.25);
  --gap:24px;
  --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(--c-bg);
  color:var(--c-text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--c-primary)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,11,18,.85);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:24px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:var(--shadow-sm);
}
.logo-text{font-weight:800;font-size:18px;letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{
  padding:9px 14px;border-radius:999px;font-size:14.5px;color:var(--c-muted);
  transition:all var(--transition);font-weight:500;
}
.nav-links a:hover{color:var(--c-text);background:var(--c-surface)}
.nav-links a.active{color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));box-shadow:var(--shadow-sm)}
.header-cta{display:flex;align-items:center;gap:10px}
.age-tag{
  padding:6px 12px;border:1px solid var(--c-border);border-radius:999px;
  font-size:12.5px;color:var(--c-muted);background:var(--c-surface);
}
.menu-btn{display:none;padding:8px 12px;border:1px solid var(--c-border);border-radius:10px;color:var(--c-text);background:var(--c-surface)}

/* hero */
.cat-hero{
  position:relative;overflow:hidden;
  padding:80px 0 70px;
  background:
    linear-gradient(180deg,rgba(11,11,18,.4) 0%,rgba(11,11,18,.9) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 40% at 20% 30%,rgba(255,46,106,.25),transparent 60%),
             radial-gradient(50% 40% at 80% 70%,rgba(124,92,255,.22),transparent 60%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:20px}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{opacity:.5}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,46,106,.12);
  border:1px solid rgba(255,46,106,.35);
  color:#ffd0dc;font-size:13px;font-weight:600;letter-spacing:.5px;
  margin-bottom:20px;
}
.hero-badge .dot{width:8px;height:8px;background:var(--c-primary);border-radius:50%;box-shadow:0 0 12px var(--c-primary)}
.hero-inner h1{
  font-size:clamp(30px,4.4vw,52px);
  background:linear-gradient(90deg,#fff 20%,#ffd6df 60%,#ffb08a 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:20px;
}
.hero-sub{color:#c9c9d8;font-size:16.5px;max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 24px;border-radius:12px;font-weight:600;font-size:15px;
  transition:all var(--transition);
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);color:#fff;filter:brightness(1.08)}
.btn-ghost{
  background:rgba(255,255,255,.06);border:1px solid var(--c-border);color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:560px}
.stat{
  background:rgba(20,20,32,.7);border:1px solid var(--c-border);
  border-radius:var(--radius-sm);padding:14px;
}
.stat b{display:block;font-size:22px;color:#fff}
.stat span{font-size:12.5px;color:var(--c-muted)}

.hero-poster{
  position:relative;border-radius:22px;overflow:hidden;
  box-shadow:var(--shadow-md);
  aspect-ratio:4/5;
  background:#000;
}
.hero-poster img{width:100%;height:100%;object-fit:cover}
.poster-glow{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.7) 100%);
}
.poster-tags{
  position:absolute;left:20px;bottom:20px;right:20px;
  display:flex;flex-wrap:wrap;gap:8px;
}
.poster-tag{
  padding:6px 12px;background:rgba(0,0,0,.55);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.15);border-radius:999px;font-size:12.5px;
}
.poster-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:72px;height:72px;border-radius:50%;
  background:rgba(255,46,106,.9);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:26px;
  box-shadow:0 0 0 12px rgba(255,46,106,.18);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,46,106,.5)}
  70%{box-shadow:0 0 0 22px rgba(255,46,106,0)}
  100%{box-shadow:0 0 0 0 rgba(255,46,106,0)}
}

/* sections */
section{padding:72px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-eyebrow{display:inline-block;color:var(--c-primary);font-size:13px;font-weight:600;letter-spacing:2px;margin-bottom:10px;text-transform:uppercase}
.sec-head h2{font-size:clamp(26px,3vw,36px);margin-bottom:12px}
.sec-head p{color:var(--c-muted);font-size:16px}

/* features */
.features{background:linear-gradient(180deg,var(--c-bg) 0%,#0f0f1a 100%)}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);
  padding:28px 24px;transition:all var(--transition);position:relative;overflow:hidden;
}
.feat-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-primary-2));
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.feat-card:hover{transform:translateY(-4px);border-color:rgba(255,46,106,.35);box-shadow:var(--shadow-md)}
.feat-card:hover::before{transform:scaleX(1)}
.feat-icon{
  width:52px;height:52px;border-radius:12px;
  background:linear-gradient(135deg,rgba(255,46,106,.15),rgba(124,92,255,.15));
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;
}
.feat-card h3{font-size:17px;margin-bottom:8px}
.feat-card p{font-size:14px;color:var(--c-muted);line-height:1.7}

/* video grid */
.library{background:#0f0f1a}
.filter-bar{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:36px;
}
.filter-chip{
  padding:8px 18px;border-radius:999px;border:1px solid var(--c-border);
  background:var(--c-surface);color:var(--c-muted);font-size:13.5px;
  transition:all var(--transition);cursor:pointer;
}
.filter-chip:hover{color:var(--c-text);border-color:var(--c-primary)}
.filter-chip.on{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#fff;border-color:transparent}
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.v-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);
  overflow:hidden;transition:all var(--transition);
}
.v-card:hover{transform:translateY(-5px);border-color:rgba(255,46,106,.35);box-shadow:var(--shadow-md)}
.v-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#000}
.v-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.v-card:hover .v-thumb img{transform:scale(1.06)}
.v-quality{
  position:absolute;top:10px;left:10px;
  padding:4px 10px;border-radius:6px;font-size:11px;font-weight:700;letter-spacing:.5px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#fff;
}
.v-duration{
  position:absolute;bottom:10px;right:10px;
  padding:3px 8px;border-radius:5px;font-size:11.5px;
  background:rgba(0,0,0,.7);color:#fff;
}
.v-play-mask{
  position:absolute;inset:0;background:rgba(0,0,0,.35);
  display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--transition);
}
.v-play-mask span{
  width:52px;height:52px;border-radius:50%;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.v-card:hover .v-play-mask{opacity:1}
.v-info{padding:14px 16px 18px}
.v-info h4{font-size:15px;margin-bottom:8px;color:#fff;font-weight:600;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-muted)}
.v-meta .v-tag{color:var(--c-primary)}
.load-more{text-align:center;margin-top:40px}

/* scene */
.scenes{background:linear-gradient(180deg,#0f0f1a 0%,#0b0b12 100%)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/5;background:#000;
  border:1px solid var(--c-border);
}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.scene-card:hover img{transform:scale(1.05)}
.scene-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.9) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:24px;
}
.scene-mask h3{font-size:20px;color:#fff;margin-bottom:8px}
.scene-mask p{font-size:13.5px;color:#c9c9d8;line-height:1.65;margin-bottom:12px}
.scene-mask .chip{display:inline-block;padding:5px 12px;border-radius:999px;background:rgba(255,46,106,.85);color:#fff;font-size:12px;font-weight:600}

/* process */
.flow{background:#0b0b12}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow-step{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--radius);padding:28px 22px;position:relative;
}
.flow-num{
  position:absolute;top:-18px;left:22px;
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;box-shadow:var(--shadow-sm);
}
.flow-step h4{font-size:17px;margin:18px 0 10px}
.flow-step p{font-size:13.5px;color:var(--c-muted);line-height:1.7}

/* faq */
.faq{background:linear-gradient(180deg,#0b0b12 0%,#12121e 100%)}
.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(--radius);overflow:hidden;transition:border-color var(--transition);
}
.faq-item:hover{border-color:rgba(255,46,106,.3)}
.faq-q{
  padding:20px 24px;display:flex;justify-content:space-between;align-items:center;
  cursor:pointer;font-size:16px;font-weight:600;color:#fff;
}
.faq-q .plus{color:var(--c-primary);font-size:22px;transition:transform var(--transition)}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-item.open .faq-a{max-height:400px;padding-bottom:22px}
.faq-a p{color:var(--c-muted);font-size:14.5px;line-height:1.75}

/* cta */
.cta{
  padding:80px 0;
  background:
    linear-gradient(90deg,rgba(11,11,18,.85),rgba(11,11,18,.65)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  position:relative;
}
.cta-inner{max-width:820px;margin:0 auto;text-align:center}
.cta h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:16px}
.cta p{color:#c9c9d8;font-size:16px;margin-bottom:28px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}

/* footer */
.site-footer{background:#08080f;border-top:1px solid var(--c-border);padding:60px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.foot-brand p{color:var(--c-muted);font-size:14px;margin-top:14px;line-height:1.75;max-width:340px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{color:var(--c-muted);font-size:14px}
.foot-col a:hover{color:var(--c-primary)}
.foot-bottom{
  border-top:1px solid var(--c-border);padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--c-muted);font-size:13px;
}

/* responsive */
@media (max-width:1024px){
  .feat-grid,.video-grid{grid-template-columns:repeat(3,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:32px 20px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-poster{max-width:420px;margin:0 auto;aspect-ratio:4/5}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .menu-btn{display:inline-flex}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--c-surface);border-top:1px solid var(--c-border);
    flex-direction:column;padding:14px 16px;gap:4px;
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;text-align:left;padding:12px 14px}
  .header-inner{position:relative}
  .age-tag{display:none}
  .feat-grid,.video-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .scene-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  section{padding:56px 0}
  .cat-hero{padding:56px 0 48px}
}
@media (max-width:520px){
  .video-grid,.feat-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{justify-content:center}
  .hero-inner h1{font-size:30px}
}

/* roulang page: article */
:root{
  --bg:#0b0910;
  --bg-2:#131020;
  --panel:#1a1626;
  --panel-2:#221c33;
  --border:#2a2340;
  --text:#f4eef8;
  --muted:#a79fb8;
  --brand:#ff2d78;
  --brand-2:#ff7a45;
  --accent:#8b5cf6;
  --gold:#f5c542;
  --success:#22c55e;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.35);
  --shadow-md:0 10px 30px rgba(0,0,0,.45);
  --shadow-glow:0 10px 40px rgba(255,45,120,.28);
  --grad-brand:linear-gradient(135deg,#ff2d78 0%,#ff7a45 55%,#8b5cf6 110%);
  --grad-panel:linear-gradient(180deg,#1a1626 0%,#141020 100%);
  --sp-1:8px;--sp-2:14px;--sp-3:22px;--sp-4:32px;--sp-5:48px;--sp-6:72px;
}
*{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:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--text);text-decoration:none;transition:color .2s}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;border-radius:10px}
button{font-family:inherit;cursor:pointer;border:none}
ul{list-style:none;padding:0;margin:0}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700}
p{margin:0 0 1em}
.container{max-width:1180px;margin:0 auto;padding:0 22px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,9,16,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#fff;
  box-shadow:var(--shadow-glow);
}
.logo-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:14.5px;
  color:var(--muted);font-weight:500;transition:all .2s;
}
.nav-links a:hover{color:var(--text);background:var(--panel)}
.nav-links a.active{color:#fff;background:var(--grad-brand);box-shadow:var(--shadow-glow)}
.header-cta{
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;
  background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-sm);
}
.nav-toggle{display:none;background:transparent;color:var(--text);font-size:22px}

/* ===== Article Hero ===== */
.article-hero{
  position:relative;padding:60px 0 40px;
  background:
    linear-gradient(180deg,rgba(11,9,16,.4) 0%,rgba(11,9,16,.92) 90%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.crumbs{
  font-size:13.5px;color:var(--muted);margin-bottom:20px;
  display:flex;gap:8px;flex-wrap:wrap;align-items:center;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.5}
.crumbs .now{color:var(--text)}
.article-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,45,120,.15);border:1px solid rgba(255,45,120,.35);
  color:#ffb0cf;font-size:13px;font-weight:600;margin-bottom:18px;
}
.article-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.article-title{
  font-size:clamp(28px,4vw,44px);letter-spacing:.5px;
  margin-bottom:18px;max-width:900px;
  background:linear-gradient(180deg,#fff 0%,#e0d5f0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{
  display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);
  font-size:14px;padding-top:14px;border-top:1px dashed var(--border);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}

/* ===== Layout ===== */
.article-layout{padding:44px 0 60px}
.layout-grid{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start}

/* ===== Article Body ===== */
.article-body{
  background:var(--grad-panel);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:40px 44px;
  box-shadow:var(--shadow-md);
  font-size:16.5px;
  line-height:1.95;
}
.article-body h1,.article-body h2,.article-body h3{
  margin:1.6em 0 .7em;color:#fff;
}
.article-body h2{
  font-size:24px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:19px;color:#ffd0e0}
.article-body p{color:#e6dff2;margin-bottom:1.1em}
.article-body a{color:var(--brand);border-bottom:1px dashed rgba(255,45,120,.5)}
.article-body img{
  margin:24px auto;border-radius:14px;
  box-shadow:var(--shadow-md);border:1px solid var(--border);
}
.article-body ul,.article-body ol{padding-left:1.4em;margin:1em 0}
.article-body ul li{list-style:disc;margin:.4em 0}
.article-body ol li{list-style:decimal;margin:.4em 0}
.article-body blockquote{
  margin:1.4em 0;padding:16px 22px;
  background:rgba(139,92,246,.08);
  border-left:4px solid var(--accent);
  border-radius:10px;color:#d5cae8;
}
.article-body code{
  background:#0e0b17;padding:2px 8px;border-radius:6px;
  color:#ffb0cf;font-size:.92em;
}
.article-empty{
  text-align:center;padding:70px 30px;
}
.article-empty h2{font-size:24px;margin-bottom:14px}
.article-empty p{color:var(--muted);margin-bottom:24px}
.article-empty .btn{
  display:inline-block;padding:12px 28px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-weight:600;
  box-shadow:var(--shadow-glow);
}

/* ===== Article Footer / Share ===== */
.article-footer{
  margin-top:32px;padding:26px 30px;
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius-lg);
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:18px;
}
.share-label{font-size:14px;color:var(--muted)}
.share-btns{display:flex;gap:10px;flex-wrap:wrap}
.share-btns a{
  padding:8px 16px;border-radius:999px;font-size:13.5px;
  background:var(--panel-2);border:1px solid var(--border);color:var(--text);
}
.share-btns a:hover{background:var(--grad-brand);border-color:transparent;color:#fff}

/* ===== Sidebar ===== */
.sidebar{position:sticky;top:88px;display:flex;flex-direction:column;gap:22px}
.side-card{
  background:var(--grad-panel);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:22px 22px;
  box-shadow:var(--shadow-sm);
}
.side-card h3{
  font-size:16px;margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.side-card h3::before{
  content:"";width:4px;height:16px;border-radius:2px;
  background:var(--grad-brand);
}
.side-list li{
  padding:11px 0;border-bottom:1px dashed var(--border);
  display:flex;gap:10px;align-items:flex-start;
}
.side-list li:last-child{border-bottom:none}
.side-list .num{
  flex:0 0 22px;height:22px;border-radius:6px;
  background:var(--panel-2);color:var(--muted);
  font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.side-list li:nth-child(1) .num{background:var(--grad-brand);color:#fff}
.side-list li:nth-child(2) .num{background:linear-gradient(135deg,#ff7a45,#f5c542);color:#fff}
.side-list li:nth-child(3) .num{background:linear-gradient(135deg,#8b5cf6,#ff2d78);color:#fff}
.side-list a{
  color:var(--text);font-size:14px;line-height:1.55;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-list a:hover{color:var(--brand)}

.side-tags{display:flex;gap:8px;flex-wrap:wrap}
.side-tags a{
  padding:6px 12px;border-radius:8px;font-size:12.5px;
  background:var(--panel-2);color:var(--muted);
  border:1px solid var(--border);
}
.side-tags a:hover{background:var(--grad-brand);color:#fff;border-color:transparent}

.side-promo{
  position:relative;overflow:hidden;
  background:
    linear-gradient(135deg,rgba(255,45,120,.85),rgba(139,92,246,.85)),
    url('/assets/images/backpic/back-3.webp') center/cover;
  color:#fff;border:none;
}
.side-promo h3{color:#fff}
.side-promo h3::before{background:#fff}
.side-promo p{font-size:13.5px;color:rgba(255,255,255,.9);margin-bottom:14px}
.side-promo .btn{
  display:inline-block;padding:10px 20px;border-radius:999px;
  background:#fff;color:var(--brand);font-weight:700;font-size:13.5px;
}

/* ===== Recommended ===== */
.recommend{padding:20px 0 70px}
.section-head{
  display:flex;align-items:end;justify-content:space-between;
  margin-bottom:26px;flex-wrap:wrap;gap:10px;
}
.section-head h2{
  font-size:26px;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-head p{color:var(--muted);font-size:14px;margin:6px 0 0}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .3s,box-shadow .3s,border-color .3s;
  display:flex;flex-direction:column;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,45,120,.4);
  box-shadow:var(--shadow-glow);
}
.card-img{
  position:relative;aspect-ratio:16/10;overflow:hidden;
}
.card-img img{
  width:100%;height:100%;object-fit:cover;
  border-radius:0;transition:transform .5s;
}
.card:hover .card-img img{transform:scale(1.06)}
.card-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 55%,rgba(0,0,0,.55) 100%);
  pointer-events:none;
}
.card-badge{
  position:absolute;top:10px;left:10px;z-index:2;
  padding:4px 10px;border-radius:6px;font-size:11.5px;font-weight:700;
  background:var(--grad-brand);color:#fff;letter-spacing:.5px;
}
.card-dur{
  position:absolute;bottom:10px;right:10px;z-index:2;
  padding:3px 9px;border-radius:6px;font-size:12px;
  background:rgba(0,0,0,.68);color:#fff;font-weight:600;
}
.card-body{padding:14px 16px 18px}
.card-body h3{
  font-size:15.5px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:2.9em;
}
.card-body h3 a{color:var(--text)}
.card-body h3 a:hover{color:var(--brand)}
.card-meta{
  display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);
}
.card-meta .hot{color:var(--gold);font-weight:600}

/* ===== CTA ===== */
.cta{
  margin:20px 0 70px;
  background:
    linear-gradient(120deg,rgba(255,45,120,.9),rgba(139,92,246,.9)),
    url('/assets/images/backpic/back-1.webp') center/cover;
  border-radius:var(--radius-lg);
  padding:50px 44px;
  display:flex;align-items:center;justify-content:space-between;
  gap:30px;flex-wrap:wrap;
  box-shadow:var(--shadow-md);
}
.cta-text h2{font-size:28px;color:#fff;margin-bottom:10px}
.cta-text p{color:rgba(255,255,255,.9);margin:0;max-width:640px}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}
.btn-white{
  padding:14px 28px;border-radius:999px;font-weight:700;
  background:#fff;color:var(--brand);box-shadow:var(--shadow-sm);
  display:inline-flex;align-items:center;gap:8px;
}
.btn-ghost{
  padding:14px 28px;border-radius:999px;font-weight:600;
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);
}
.btn-white:hover{transform:translateY(-2px)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ===== Footer ===== */
.site-footer{
  background:linear-gradient(180deg,#0a0813 0%,#050308 100%);
  border-top:1px solid var(--border);
  padding:56px 0 26px;margin-top:20px;
}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;
  padding-bottom:34px;border-bottom:1px solid var(--border);
}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:14px;line-height:1.75}
.foot-col h4{
  font-size:15px;margin-bottom:16px;color:#fff;
  position:relative;padding-bottom:8px;
}
.foot-col h4::after{
  content:"";position:absolute;left:0;bottom:0;
  width:26px;height:2px;background:var(--grad-brand);border-radius:2px;
}
.foot-col ul li{margin-bottom:9px}
.foot-col ul a{color:var(--muted);font-size:13.5px}
.foot-col ul a:hover{color:var(--brand);padding-left:4px}
.foot-bottom{
  padding-top:22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:10px;color:var(--muted);font-size:13px;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .layout-grid{grid-template-columns:1fr;gap:30px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:var(--bg-2);
    padding:16px 22px;border-bottom:1px solid var(--border);
    gap:4px;
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:12px 14px;border-radius:10px}
  .header-cta{display:none}
  .article-body{padding:26px 22px;font-size:15.5px}
  .article-footer{padding:20px 22px;flex-direction:column;align-items:flex-start}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta{padding:34px 24px}
  .cta-text h2{font-size:22px}
}
@media (max-width:520px){
  .article-hero{padding:40px 0 28px}
  .article-body{padding:22px 18px}
  .article-body h2{font-size:20px}
  .card-grid{grid-template-columns:1fr 1fr;gap:14px}
  .card-body h3{font-size:14px;min-height:2.8em}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .cta{padding:28px 20px}
}

/* roulang page: category2 */
:root{
  --bg:#0b0d12;
  --bg-2:#111420;
  --panel:#151a28;
  --panel-2:#1b2132;
  --line:#242c42;
  --text:#eef1f8;
  --muted:#9aa3bd;
  --brand:#ff2e63;
  --brand-2:#ffb400;
  --accent:#38e8ff;
  --gold:#f2c94c;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 40px -18px rgba(255,46,99,.45), 0 6px 22px -12px rgba(0,0,0,.6);
  --shadow-soft:0 10px 30px -18px rgba(0,0,0,.7);
  --gap:24px;
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:radial-gradient(1200px 600px at 80% -10%,rgba(255,46,99,.18),transparent 60%),
             radial-gradient(900px 500px at -10% 20%,rgba(56,232,255,.10),transparent 60%),
             var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{max-width:var(--container);margin:0 auto;padding:0 22px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(140%) blur(14px);
  background:rgba(11,13,18,.75);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.logo{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#ff7a2b);
  color:#fff;font-weight:800;letter-spacing:.5px;
  box-shadow:0 8px 20px -8px rgba(255,46,99,.6);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.3px}
.header-inner .logo{margin:0}

.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);
  transition:all .2s var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-links a.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(255,46,99,.22),rgba(255,180,0,.14));
  box-shadow:inset 0 0 0 1px rgba(255,46,99,.35);
}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.05);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:96px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,18,.55),rgba(11,13,18,.92)),
             url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  filter:saturate(115%);
  z-index:-1;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,46,99,.12);
  border:1px solid rgba(255,46,99,.35);
  color:#ffb2c3;font-size:13px;
  margin-bottom:20px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(255,46,99,.25)}
.hero h1{
  font-size:clamp(32px,4.4vw,54px);
  letter-spacing:-.5px;
  background:linear-gradient(120deg,#fff 0%,#ffd6de 50%,#ffdc9a 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  max-width:900px;
}
.hero-sub{
  margin-top:18px;color:#c8cee0;font-size:17px;
  max-width:760px;
}
.hero-stats{
  margin-top:36px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  max-width:820px;
}
.hero-stats .stat{
  background:rgba(21,26,40,.7);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px 18px;
  backdrop-filter:blur(10px);
}
.hero-stats .num{font-size:26px;font-weight:800;color:#fff}
.hero-stats .num em{font-style:normal;color:var(--brand-2)}
.hero-stats .lbl{font-size:13px;color:var(--muted);margin-top:4px}
.hero-cta{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px;border-radius:12px;
  font-weight:600;letter-spacing:.3px;font-size:15px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),#ff5a2c);
  color:#fff;box-shadow:var(--shadow);
}
.btn-primary:hover{transform:translateY(-2px);color:#fff}
.btn-ghost{
  background:rgba(255,255,255,.05);color:#fff;
  border:1px solid rgba(255,255,255,.14);
}
.btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateY(-2px)}

/* ===== Sections ===== */
section{padding:80px 0;position:relative}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-tag{
  color:var(--brand-2);font-size:13px;font-weight:700;letter-spacing:2px;
  text-transform:uppercase;
}
.sec-title{
  font-size:clamp(24px,3vw,36px);
  margin-top:10px;
  color:#fff;
}
.sec-desc{color:var(--muted);margin-top:12px;font-size:16px}

/* Feature grid */
.feature-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.feature{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.feature:hover{
  transform:translateY(-4px);
  border-color:rgba(255,46,99,.5);
  box-shadow:var(--shadow-soft);
}
.feature .ico{
  width:48px;height:48px;border-radius:12px;
  display:grid;place-items:center;font-size:22px;
  background:linear-gradient(135deg,rgba(255,46,99,.18),rgba(56,232,255,.15));
  border:1px solid var(--line);
  margin-bottom:16px;
}
.feature h3{font-size:19px;color:#fff}
.feature p{margin-top:10px;color:var(--muted);font-size:14.5px}

/* Showcase */
.showcase-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
  position:relative;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.card .thumb{
  position:relative;aspect-ratio:16/10;overflow:hidden;
}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .thumb img{transform:scale(1.06)}
.card .badge{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:6px;
  background:linear-gradient(135deg,var(--brand),#ff5a2c);
  color:#fff;font-size:12px;font-weight:700;letter-spacing:.5px;
}
.card .qty{
  position:absolute;bottom:12px;right:12px;
  padding:4px 8px;border-radius:6px;
  background:rgba(0,0,0,.6);color:#fff;font-size:12px;
  border:1px solid rgba(255,255,255,.12);
}
.card .body{padding:16px}
.card h3{font-size:16px;color:#fff}
.card .meta{margin-top:8px;color:var(--muted);font-size:13px;display:flex;gap:12px;flex-wrap:wrap}
.card .meta span{display:inline-flex;align-items:center;gap:4px}
.card .meta em{color:var(--gold);font-style:normal}

/* Compare */
.compare{
  background:linear-gradient(180deg,var(--bg-2),var(--bg));
}
.compare-wrap{
  display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;
}
.compare-visual{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  position:relative;aspect-ratio:16/10;
  background:url("/assets/images/coverpic/cover-3.webp") center/cover no-repeat;
}
.compare-visual::after{
  content:"2160P · HDR · 65 Mbps";
  position:absolute;left:16px;bottom:16px;
  padding:6px 12px;border-radius:8px;
  background:rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:#fff;letter-spacing:.5px;
}
.compare-list{display:grid;gap:14px}
.compare-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px;border-radius:var(--radius-sm);
  background:var(--panel);
  border:1px solid var(--line);
}
.compare-item .n{
  flex:0 0 40px;height:40px;border-radius:10px;
  display:grid;place-items:center;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand),#ff8b34);
}
.compare-item h4{font-size:15.5px;color:#fff}
.compare-item p{margin-top:4px;color:var(--muted);font-size:14px}

/* Scenes */
.scene-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.scene{
  border-radius:var(--radius);
  overflow:hidden;position:relative;aspect-ratio:4/5;
  border:1px solid var(--line);
}
.scene img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.scene:hover img{transform:scale(1.08)}
.scene .cover{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.85) 100%);
  padding:22px;display:flex;flex-direction:column;justify-content:flex-end;
}
.scene .tag{
  align-self:flex-start;
  padding:4px 10px;border-radius:6px;
  background:rgba(255,46,99,.22);color:#ffb2c3;font-size:12px;
  border:1px solid rgba(255,46,99,.4);
  margin-bottom:12px;
}
.scene h3{color:#fff;font-size:20px}
.scene p{color:#d3d8ea;font-size:14px;margin-top:6px}

/* Flow */
.flow-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  counter-reset:flow;
}
.flow-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  position:relative;
  counter-increment:flow;
}
.flow-item::before{
  content:"0" counter(flow);
  position:absolute;right:20px;top:16px;
  font-size:34px;font-weight:800;
  color:transparent;
  -webkit-text-stroke:1px rgba(255,180,0,.4);
}
.flow-item h4{color:#fff;font-size:16.5px}
.flow-item p{color:var(--muted);font-size:14px;margin-top:8px}

/* Line list */
.lines-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}
.line-item{
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,46,99,.06),transparent 60%),var(--panel);
  border-radius:var(--radius-sm);
  padding:20px;
}
.line-item .dot{
  width:10px;height:10px;border-radius:50%;
  background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.18);
  display:inline-block;margin-right:8px;
}
.line-item h4{color:#fff;font-size:16px;display:flex;align-items:center}
.line-item p{color:var(--muted);font-size:13px;margin-top:8px}
.line-item .ping{color:var(--accent);font-size:12px;margin-top:10px;letter-spacing:.5px}

/* FAQ */
.faq-wrap{display:grid;gap:14px}
.faq{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq:hover{border-color:rgba(255,46,99,.4)}
.faq summary{
  list-style:none;cursor:pointer;
  padding:20px 22px;
  font-weight:600;color:#fff;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:22px;color:var(--brand-2);font-weight:700;
  transition:transform .3s var(--ease);
}
.faq[open] summary::after{transform:rotate(45deg)}
.faq .a{
  padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.75;
}

/* CTA */
.cta{
  background:
    linear-gradient(135deg,rgba(255,46,99,.15),rgba(56,232,255,.08)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{
  padding:60px 40px;border-radius:var(--radius);
  background:rgba(11,13,18,.55);
  border:1px solid var(--line);
  backdrop-filter:blur(6px);
  display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center;
}
.cta h2{font-size:28px;color:#fff}
.cta p{color:#c8cee0;margin-top:12px}
.cta .cta-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* Footer */
.site-footer{
  background:#080a10;
  border-top:1px solid var(--line);
  padding:64px 0 24px;
  margin-top:20px;
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:12px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.foot-col li{margin-bottom:10px}
.foot-col a{color:var(--muted);font-size:14px}
.foot-col a:hover{color:#fff}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--muted);font-size:13px;
}

/* Responsive */
@media (max-width:1024px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .showcase-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .lines-grid{grid-template-columns:repeat(2,1fr)}
  .compare-wrap{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;padding:44px 26px}
  .cta .cta-btns{justify-content:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  section{padding:60px 0}
  .hero{padding:70px 0 60px}
  .nav-links{
    position:absolute;right:16px;top:64px;
    flex-direction:column;align-items:stretch;
    background:var(--panel-2);border:1px solid var(--line);
    padding:10px;border-radius:var(--radius);
    min-width:220px;display:none;
    box-shadow:var(--shadow-soft);
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:inline-flex}
}
@media (max-width:520px){
  .feature-grid,.showcase-grid,.scene-grid,.flow-grid,.lines-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .btn{width:100%;justify-content:center}
  .sec-title{font-size:24px}
}

/* roulang page: category4 */
:root{
  --bg:#0b0710;
  --bg-2:#120a1c;
  --surface:#171022;
  --surface-2:#1e1530;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#f4eefb;
  --muted:#a99cc0;
  --dim:#7c6f92;
  --brand:#ff2e88;
  --brand-2:#ff7a3d;
  --accent:#7c5cff;
  --gold:#ffcf5c;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.35);
  --shadow:0 20px 48px -18px rgba(255,46,136,.35), 0 12px 36px -12px rgba(0,0,0,.6);
  --shadow-lg:0 30px 80px -30px rgba(124,92,255,.55), 0 20px 60px -20px rgba(0,0,0,.7);
  --grad:linear-gradient(135deg,#ff2e88 0%,#ff7a3d 50%,#7c5cff 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,46,136,.18),rgba(124,92,255,.18));
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.5px}
p{margin:0}
.container{width:min(1200px,92%);margin:0 auto}

/* header / nav */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,7,16,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:inline-flex;align-items:center;gap:12px;font-weight:800}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);
  display:grid;place-items:center;
  font-size:14px;color:#fff;font-weight:800;letter-spacing:1px;
  box-shadow:0 8px 20px -8px rgba(255,46,136,.7);
}
.logo-text{font-size:18px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:10px 16px;border-radius:999px;
  font-size:14.5px;color:var(--muted);
  transition:all .25s var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{
  color:#fff;
  background:var(--grad);
  box-shadow:0 8px 22px -10px rgba(255,46,136,.7);
}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--line-2)}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;margin:4px auto;border-radius:2px;transition:all .3s var(--ease)}

/* page hero */
.page-hero{
  position:relative;
  padding:120px 0 90px;
  overflow:hidden;
  isolation:isolate;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(180deg,rgba(11,7,16,.55) 0%,rgba(11,7,16,.9) 100%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(600px 300px at 15% 20%,rgba(255,46,136,.35),transparent 70%),
    radial-gradient(500px 260px at 85% 30%,rgba(124,92,255,.35),transparent 70%);
}
.crumbs{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13.5px;margin-bottom:22px}
.crumbs a:hover{color:#fff}
.crumbs span.sep{opacity:.5}
.hero-head{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(255,46,136,.2)}
.hero-head h1{
  font-size:clamp(34px,5vw,54px);
  line-height:1.15;margin-bottom:22px;
}
.hero-head h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-head p.lead{color:var(--muted);font-size:17px;max-width:56ch;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:12px;
  font-size:15px;font-weight:600;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
  border:1px solid transparent;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 30px -12px rgba(255,46,136,.65)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 40px -14px rgba(255,46,136,.8);color:#fff}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--line-2);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-ghost:focus,.btn-primary:focus{outline:2px solid var(--gold);outline-offset:3px}

.hero-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
  padding:22px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-2);
  box-shadow:var(--shadow-lg);
}
.hero-stat{padding:14px 16px;border-radius:14px;background:rgba(0,0,0,.25)}
.hero-stat b{display:block;font-size:26px;color:#fff}
.hero-stat span{font-size:13px;color:var(--muted)}
.hero-stat b em{font-style:normal;color:var(--brand)}

/* section base */
section{padding:88px 0}
.sec-head{max-width:760px;margin:0 auto 48px;text-align:center}
.sec-eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:3px;text-transform:uppercase;
  color:var(--brand);font-weight:700;margin-bottom:14px;
}
.sec-title{font-size:clamp(26px,3.4vw,38px);margin-bottom:14px}
.sec-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-desc{color:var(--muted);font-size:16px}

/* mosaic: featured collections */
.mosaic{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:220px;gap:20px}
.tile{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.tile::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,7,16,0) 30%,rgba(11,7,16,.92) 100%);
}
.tile-body{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
}
.tile-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;font-size:12px;color:#fff;
  background:rgba(0,0,0,.5);border:1px solid var(--line-2);border-radius:999px;
  backdrop-filter:blur(6px);margin-bottom:10px;
}
.tile-badge.hot{background:var(--grad);border-color:transparent}
.tile-body h3{font-size:20px;margin-bottom:6px}
.tile-body p{color:rgba(255,255,255,.72);font-size:13.5px}
.tile-meta{display:flex;gap:14px;margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.62)}
.tile-meta span::before{content:"● ";color:var(--brand);font-size:8px;vertical-align:middle}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tile:hover img{transform:scale(1.06)}
.tile.t-a{grid-column:span 6;grid-row:span 2}
.tile.t-b{grid-column:span 6;grid-row:span 1}
.tile.t-c{grid-column:span 3;grid-row:span 1}
.tile.t-d{grid-column:span 3;grid-row:span 1}
.tile.t-e{grid-column:span 4;grid-row:span 1}
.tile.t-f{grid-column:span 4;grid-row:span 1}
.tile.t-g{grid-column:span 4;grid-row:span 1}

/* collection cards grid */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ccard{
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
  display:flex;flex-direction:column;
}
.ccard:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:var(--shadow)}
.ccard-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.ccard-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.ccard:hover .ccard-cover img{transform:scale(1.05)}
.ccard-cover .flag{
  position:absolute;top:14px;left:14px;
  padding:5px 10px;font-size:12px;font-weight:600;
  background:rgba(0,0,0,.55);border:1px solid var(--line-2);color:#fff;
  border-radius:8px;backdrop-filter:blur(6px);
}
.ccard-cover .flag.gold{background:linear-gradient(135deg,#ffcf5c,#ff7a3d);border-color:transparent;color:#1a0e00}
.ccard-cover .count{
  position:absolute;bottom:14px;right:14px;
  padding:6px 12px;font-size:12.5px;color:#fff;
  background:rgba(0,0,0,.55);border-radius:8px;
  backdrop-filter:blur(6px);
}
.ccard-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.ccard-body h3{font-size:19px}
.ccard-body p{color:var(--muted);font-size:14px;flex:1}
.ccard-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{
  padding:4px 10px;border-radius:6px;font-size:12px;
  color:var(--muted);background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.ccard-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--dim);
}
.ccard-foot .play{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:#fff;background:var(--grad);
  transition:transform .25s var(--ease);
}
.ccard-foot .play:hover{transform:translateX(3px);color:#fff}

/* mood board / theme filter chips */
.mood{
  background:linear-gradient(180deg,#0f0818 0%,#160b23 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:44px}
.chip{
  padding:10px 20px;border-radius:999px;font-size:14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-2);color:var(--muted);
  transition:all .25s var(--ease);cursor:pointer;
}
.chip:hover{color:#fff;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.25)}
.chip.on{
  background:var(--grad);border-color:transparent;color:#fff;
  box-shadow:0 8px 20px -10px rgba(255,46,136,.7);
}
.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mini{
  position:relative;aspect-ratio:3/4;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);
  transition:transform .3s var(--ease);
}
.mini img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.mini:hover{transform:translateY(-4px)}
.mini:hover img{transform:scale(1.08)}
.mini::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(0,0,0,.9) 100%);
}
.mini-label{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
}
.mini-label h4{font-size:16px;margin-bottom:4px}
.mini-label span{font-size:12px;color:rgba(255,255,255,.7)}

/* how it works */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  position:relative;
}
.flow::before{
  content:"";position:absolute;top:36px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,transparent,var(--line-2),var(--line-2),transparent);
  z-index:0;
}
.step{
  position:relative;z-index:1;
  padding:32px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.4)}
.step-num{
  width:56px;height:56px;border-radius:16px;
  display:grid;place-items:center;font-weight:800;font-size:20px;
  background:var(--grad);color:#fff;margin-bottom:20px;
  box-shadow:0 10px 24px -10px rgba(255,46,136,.6);
}
.step h4{font-size:17px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14px}

/* scene split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-2);
  box-shadow:var(--shadow-lg);
  aspect-ratio:4/5;
}
.split-visual img{width:100%;height:100%;object-fit:cover}
.split-visual .floater{
  position:absolute;left:20px;bottom:20px;right:20px;
  padding:18px 20px;border-radius:14px;
  background:rgba(11,7,16,.75);backdrop-filter:blur(10px);
  border:1px solid var(--line-2);
  display:flex;align-items:center;gap:14px;
}
.split-visual .floater .fico{
  width:44px;height:44px;border-radius:12px;
  background:var(--grad);display:grid;place-items:center;font-size:20px;
}
.split-visual .floater h5{font-size:15px;margin-bottom:2px}
.split-visual .floater span{font-size:12.5px;color:var(--muted)}
.split-list{display:flex;flex-direction:column;gap:20px;margin-top:32px}
.split-list li{
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:flex-start;
  padding:20px;border-radius:14px;
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.split-list li:hover{border-color:var(--line-2);transform:translateX(4px)}
.split-list .ico{
  width:44px;height:44px;border-radius:12px;
  background:var(--grad-soft);
  display:grid;place-items:center;font-size:20px;
  border:1px solid var(--line-2);
}
.split-list h4{font-size:16px;margin-bottom:6px}
.split-list p{color:var(--muted);font-size:14px}

/* faq */
.faq{max-width:860px;margin:0 auto}
.q{
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;margin-bottom:14px;overflow:hidden;
  transition:border-color .25s var(--ease);
}
.q:hover{border-color:var(--line-2)}
.q summary{
  list-style:none;cursor:pointer;
  padding:22px 26px;font-weight:600;font-size:16px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.q summary::-webkit-details-marker{display:none}
.q summary::after{
  content:"+";
  width:28px;height:28px;border-radius:50%;
  background:var(--grad-soft);border:1px solid var(--line-2);
  display:grid;place-items:center;font-size:18px;color:var(--brand);
  transition:transform .3s var(--ease);
  flex-shrink:0;
}
.q[open] summary::after{content:"−";transform:rotate(180deg)}
.q-body{padding:0 26px 24px;color:var(--muted);font-size:14.5px}

/* cta band */
.cta{
  position:relative;padding:88px 0;overflow:hidden;isolation:isolate;
}
.cta::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cta::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,rgba(11,7,16,.9),rgba(124,92,255,.55) 60%,rgba(255,46,136,.7));
}
.cta-inner{text-align:center;max-width:760px;margin:0 auto}
.cta h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:16px}
.cta p{color:rgba(255,255,255,.82);margin-bottom:30px;font-size:16px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* footer */
.site-footer{
  background:#080510;border-top:1px solid var(--line);
  padding:72px 0 32px;color:var(--muted);
}
.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-top:14px;max-width:36ch}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.foot-col ul li{margin-bottom:10px;font-size:14px}
.foot-col ul a{color:var(--muted)}
.foot-col ul a:hover{color:var(--brand)}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--dim);
}

/* responsive */
@media (max-width:1024px){
  .hero-head{grid-template-columns:1fr;gap:36px}
  .hero-stats{max-width:520px}
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .mini-grid{grid-template-columns:repeat(3,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .split{grid-template-columns:1fr;gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mosaic{grid-auto-rows:200px}
  .tile.t-a{grid-column:span 12;grid-row:span 2}
  .tile.t-b{grid-column:span 12}
  .tile.t-c,.tile.t-d{grid-column:span 6}
  .tile.t-e,.tile.t-f,.tile.t-g{grid-column:span 4}
}
@media (max-width:768px){
  section{padding:64px 0}
  .page-hero{padding:80px 0 60px}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;padding:20px;gap:8px;
    background:rgba(11,7,16,.98);
    border-bottom:1px solid var(--line);
    transform:translateY(-140%);transition:transform .3s var(--ease);
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{width:100%;padding:14px 18px}
  .nav-toggle{display:block}
  .mini-grid{grid-template-columns:repeat(2,1fr)}
  .tile.t-e,.tile.t-f,.tile.t-g{grid-column:span 6}
  .tile.t-g{grid-column:span 12}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1;justify-content:center}
}
@media (max-width:520px){
  .cards-3{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .hero-stats{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;text-align:center}
  .mosaic{grid-auto-rows:180px}
  .tile.t-a{grid-row:span 1}
}

/* roulang page: category3 */
:root{
  --bg:#0a0710;--bg-2:#120a1e;--surface:#1a1130;--surface-2:#241847;
  --line:rgba(255,255,255,.08);--text:#f4eefb;--muted:#9d94b8;
  --brand:#ff3d7f;--brand-2:#8a5cff;--accent:#ffce4a;--ok:#38e0a3;
  --radius:14px;--radius-lg:22px;--shadow:0 18px 40px -18px rgba(255,61,127,.35);
  --shadow-soft:0 8px 24px -12px rgba(0,0,0,.6);
  --grad:linear-gradient(135deg,#ff3d7f 0%,#8a5cff 100%);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--brand)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
.container{width:min(1200px,92%);margin:0 auto}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,7,16,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800}
.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--grad);display:grid;place-items:center;font-size:14px;color:#fff;letter-spacing:.5px;box-shadow:var(--shadow)}
.logo-text{font-size:17px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:6px}
.nav-links a{padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--muted);font-weight:500}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:#fff;background:var(--grad);box-shadow:var(--shadow)}
.nav-toggle{display:none;font-size:22px}

/* Hero */
.hero{position:relative;padding:70px 0 60px;overflow:hidden;background:
  linear-gradient(180deg,rgba(10,7,16,.4) 0%,rgba(10,7,16,.9) 100%),
  url('/assets/images/backpic/back-3.webp') center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:auto -20% -40% -20%;height:60%;background:radial-gradient(ellipse at center,rgba(138,92,255,.35),transparent 70%);pointer-events:none}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid rgba(255,206,74,.4);border-radius:999px;font-size:13px;color:var(--accent);background:rgba(255,206,74,.08);margin-bottom:20px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:clamp(30px,4.5vw,50px);letter-spacing:.5px;margin-bottom:18px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17px;color:var(--muted);margin:0 auto 30px;max-width:640px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:12px;font-weight:600;font-size:15px;transition:transform .2s,box-shadow .2s;border:1px solid transparent}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.2);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* Date rail */
.date-rail{padding:34px 0 8px}
.date-rail-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px;flex-wrap:wrap;gap:12px}
.rail-title{font-size:22px}
.rail-title small{display:block;color:var(--muted);font-size:13px;font-weight:400;margin-top:4px}
.date-list{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin;scrollbar-color:var(--brand) transparent}
.date-list::-webkit-scrollbar{height:6px}
.date-list::-webkit-scrollbar-thumb{background:var(--brand);border-radius:3px}
.date-pill{flex:0 0 auto;padding:12px 18px;border-radius:12px;background:var(--surface);border:1px solid var(--line);text-align:center;min-width:96px;transition:all .2s}
.date-pill:hover{border-color:var(--brand);transform:translateY(-2px)}
.date-pill.today{background:var(--grad);border-color:transparent;box-shadow:var(--shadow)}
.date-pill .d-num{font-size:20px;font-weight:800}
.date-pill .d-lb{font-size:12px;color:var(--muted);margin-top:2px}
.date-pill.today .d-lb{color:rgba(255,255,255,.85)}
.date-pill .d-cnt{font-size:11px;margin-top:6px;color:var(--muted)}
.date-pill.today .d-cnt{color:#fff}

/* Batch strip */
.batches{padding:40px 0 10px}
.batch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.batch-card{background:linear-gradient(160deg,var(--surface),var(--surface-2));border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;position:relative;overflow:hidden}
.batch-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.batch-time{font-size:32px;font-weight:800;letter-spacing:1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.batch-name{margin-top:4px;font-size:17px}
.batch-desc{color:var(--muted);font-size:14px;margin-top:10px}
.batch-meta{display:flex;gap:14px;margin-top:16px;flex-wrap:wrap}
.batch-meta span{font-size:12.5px;color:var(--muted)}
.batch-meta b{color:var(--accent);font-weight:700}

/* Today updates */
.today-updates{padding:60px 0 30px}
.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:26px;flex-wrap:wrap;gap:12px}
.section-head h2{font-size:28px}
.section-head p{color:var(--muted);margin:6px 0 0;font-size:14px}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab{padding:7px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--muted);cursor:pointer;transition:all .2s}
.tab:hover{color:var(--text);border-color:var(--brand)}
.tab.on{background:var(--grad);color:#fff;border-color:transparent}

.feed{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feed-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;position:relative}
.feed-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:rgba(255,61,127,.4)}
.feed-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.feed-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.feed-card:hover .feed-cover img{transform:scale(1.06)}
.feed-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.75) 100%)}
.q-tag{position:absolute;top:10px;left:10px;padding:3px 8px;font-size:11px;background:rgba(0,0,0,.7);color:#fff;border-radius:6px;font-weight:600;letter-spacing:.5px;z-index:2}
.q-tag.hd{background:var(--brand)}
.q-tag.uhd{background:var(--accent);color:#000}
.q-tag.raw{background:var(--brand-2)}
.new-flag{position:absolute;top:10px;right:10px;padding:3px 8px;font-size:11px;background:var(--ok);color:#052;border-radius:6px;font-weight:700;z-index:2}
.duration{position:absolute;bottom:10px;right:10px;padding:2px 8px;font-size:12px;background:rgba(0,0,0,.7);color:#fff;border-radius:4px;z-index:2}
.feed-body{padding:14px 16px 16px;flex:1;display:flex;flex-direction:column}
.feed-body h3{font-size:15px;font-weight:600;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feed-body h3 a:hover{color:var(--brand)}
.feed-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-top:auto}
.feed-meta .star{color:var(--accent)}
.feed-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.feed-tags span{font-size:11px;padding:2px 7px;border-radius:4px;background:rgba(138,92,255,.15);color:#c5b3ff}

/* Timeline */
.timeline-section{padding:60px 0;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.timeline{position:relative;margin-top:36px;padding-left:24px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2),transparent)}
.tl-item{position:relative;padding:0 0 28px 26px}
.tl-item::before{content:"";position:absolute;left:-24px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--surface);border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(255,61,127,.15)}
.tl-time{display:inline-block;padding:3px 10px;border-radius:6px;background:rgba(255,61,127,.15);color:var(--brand);font-size:12.5px;font-weight:600;margin-bottom:8px}
.tl-item h4{font-size:16px;margin-bottom:6px}
.tl-item p{color:var(--muted);font-size:14px;margin:0}

/* Stats */
.stats-band{padding:48px 0;background:var(--surface);border-block:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-num{font-size:36px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-lb{color:var(--muted);font-size:14px;margin-top:4px}

/* How to */
.howto{padding:64px 0}
.howto-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.howto-img{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.howto-img img{aspect-ratio:4/3;object-fit:cover}
.step{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.step:last-child{border-bottom:0}
.step-n{flex:0 0 44px;height:44px;border-radius:12px;background:var(--grad);display:grid;place-items:center;font-weight:800;font-size:18px;color:#fff}
.step h4{font-size:16px;margin-bottom:4px}
.step p{margin:0;color:var(--muted);font-size:14px}

/* Notify */
.notify{padding:56px 0;background:linear-gradient(135deg,rgba(255,61,127,.12),rgba(138,92,255,.12));border-block:1px solid var(--line)}
.notify-box{max-width:720px;margin:0 auto;text-align:center}
.notify-box h2{font-size:26px;margin-bottom:10px}
.notify-box p{color:var(--muted);margin-bottom:22px}
.notify-form{display:flex;gap:10px;max-width:520px;margin:0 auto;flex-wrap:wrap}
.notify-form input{flex:1;min-width:220px;padding:13px 16px;border-radius:12px;background:var(--surface);border:1px solid var(--line);color:var(--text);font-size:15px;transition:border-color .2s}
.notify-form input:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,61,127,.15)}
.notify-form button{padding:13px 26px;border-radius:12px;background:var(--grad);color:#fff;font-weight:600;box-shadow:var(--shadow)}
.notify-form button:hover{transform:translateY(-1px)}
.channels{display:flex;justify-content:center;gap:14px;margin-top:18px;flex-wrap:wrap}
.channels span{font-size:12.5px;color:var(--muted);padding:5px 12px;border-radius:999px;border:1px solid var(--line)}

/* FAQ */
.faq{padding:64px 0}
.faq-list{max-width:820px;margin:30px auto 0}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:border-color .2s}
.faq-item:hover{border-color:rgba(255,61,127,.4)}
.faq-q{width:100%;text-align:left;padding:18px 22px;display:flex;justify-content:space-between;align-items:center;font-size:15.5px;font-weight:600}
.faq-q::after{content:"+";font-size:22px;color:var(--brand);transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s;padding:0 22px;color:var(--muted);font-size:14.5px}
.faq-item.open .faq-a{max-height:220px;padding:0 22px 18px}

/* CTA */
.cta{padding:70px 0;text-align:center;background:
  linear-gradient(180deg,rgba(10,7,16,.7),rgba(10,7,16,.92)),
  url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.cta h2{font-size:32px;margin-bottom:12px}
.cta p{color:var(--muted);max-width:600px;margin:0 auto 24px}

/* Footer */
.site-footer{background:#07040d;padding:56px 0 24px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid var(--line)}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:340px}
.foot-col h4{font-size:15px;margin-bottom:14px;color:var(--text)}
.foot-col ul li{margin-bottom:9px}
.foot-col a{color:var(--muted);font-size:13.5px}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{display:flex;justify-content:space-between;padding-top:20px;color:var(--muted);font-size:12.5px;flex-wrap:wrap;gap:8px}

/* Responsive */
@media (max-width:1024px){
  .feed{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .nav-toggle{display:block}
  .nav-links{position:absolute;top:72px;left:0;right:0;background:var(--bg-2);flex-direction:column;padding:12px;gap:4px;display:none;border-bottom:1px solid var(--line)}
  .nav-links.show{display:flex}
  .nav-links a{padding:12px 16px}
  .batch-grid{grid-template-columns:1fr}
  .feed{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .howto-grid{grid-template-columns:1fr}
  .hero{padding:50px 0 40px}
}
@media (max-width:520px){
  .feed{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .section-head h2{font-size:22px}
  .hero h1{font-size:28px}
  .stat-num{font-size:28px}
}