/* roulang page: index */
:root{
  --brand:#6D2BFF;
  --brand-2:#FF3D9A;
  --brand-3:#22E0C8;
  --star:#FFC64B;
  --grad-brand:linear-gradient(135deg,#6D2BFF 0%,#A22BFF 45%,#FF3D9A 100%);
  --grad-soft:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --bg:#0B0817;
  --surface:#14102A;
  --surface-2:#1B1638;
  --line:rgba(255,255,255,.08);
  --text:#F4F1FF;
  --text-2:#B7B0D6;
  --text-3:#7E77A3;
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#FB5D5D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 4px 18px rgba(6,4,20,.5);
  --sh-2:0 18px 48px rgba(109,43,255,.22);
  --ease:cubic-bezier(.22,.7,.3,1);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:rgba(109,43,255,.45);color:#fff;}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;border-radius:6px;}
::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:var(--r-pill);}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.24);}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head__left{max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.4px;color:var(--brand-3);
  text-transform:none;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--grad-brand);}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.5px;line-height:1.25;}
.h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:800;}
.h3{font-size:19px;font-weight:700;letter-spacing:-.2px;}
.section-sub{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.8;max-width:68ch;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:var(--r-pill);
  font-weight:600;font-size:15px;line-height:1;
  padding:15px 28px;min-height:48px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;border:1px solid transparent;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 26px rgba(109,43,255,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,61,154,.34);filter:brightness(1.08);}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:var(--text);}
.btn-ghost:hover{border-color:transparent;background:linear-gradient(135deg,rgba(109,43,255,.28),rgba(255,61,154,.28));color:var(--brand-3);transform:translateY(-2px);}
.btn-sm{padding:11px 20px;min-height:40px;font-size:14px;}
.btn-lg{padding:17px 34px;min-height:54px;font-size:16px;}
.btn:disabled{filter:saturate(.4);cursor:not-allowed;transform:none;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;color:var(--text-2);position:relative;padding-bottom:2px;}
.link-more::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--brand-3);transition:width .28s var(--ease);}
.link-more:hover{color:var(--brand-3);}
.link-more:hover::after{width:100%;}

/* ---------- Chips / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.4px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text-2);
}
.chip--brand{background:linear-gradient(135deg,rgba(109,43,255,.3),rgba(255,61,154,.24));border-color:rgba(255,61,154,.35);color:#fff;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.4px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-2);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-3);box-shadow:0 0 10px var(--brand-3);flex:none;}
.badge--star{color:var(--star);border-color:rgba(255,198,75,.32);background:rgba(255,198,75,.08);}
.badge--star .dot{background:var(--star);box-shadow:0 0 10px var(--star);}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  height:68px;
  background:rgba(11,8,23,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:height .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-stuck{
  height:60px;
  background:rgba(11,8,23,.9);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:100%;}
.logo{display:flex;align-items:center;gap:10px;height:36px;flex:none;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  background:var(--grad-brand);
  box-shadow:0 8px 22px rgba(109,43,255,.42);
  position:relative;display:grid;place-items:center;
}
.logo-mark::after{
  content:"";width:11px;height:11px;border-radius:3px;
  background:#fff;transform:rotate(45deg);
  box-shadow:0 0 12px rgba(255,255,255,.7);
}
.logo-text{display:flex;flex-direction:column;line-height:1.05;}
.logo-text b{font-size:16px;font-weight:900;letter-spacing:-.3px;}
.logo-text span{font-size:10.5px;font-weight:600;letter-spacing:2px;color:var(--text-3);}
.nav-chips{
  display:flex;align-items:center;gap:2px;
  padding:4px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  margin:0 auto;
}
.nav-chips a{
  padding:9px 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
  white-space:nowrap;
}
.nav-chips a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-chips a.is-active{background:var(--grad-brand);color:#fff;box-shadow:0 6px 18px rgba(109,43,255,.36);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:var(--brand-3);border-color:rgba(34,224,200,.4);background:rgba(34,224,200,.08);}
.burger{
  width:42px;height:42px;border-radius:12px;
  display:none;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:background .2s;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .28s var(--ease),top .28s var(--ease);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger.is-active span{background:transparent;}
.burger.is-active span::before{top:0;transform:rotate(45deg);}
.burger.is-active span::after{top:0;transform:rotate(-45deg);}
.mobile-nav{
  max-height:0;overflow:hidden;
  background:rgba(11,8,23,.97);
  backdrop-filter:blur(14px);
  transition:max-height .35s var(--ease);
}
.mobile-nav.is-open{max-height:520px;}
.mobile-nav__inner{padding:18px 24px 26px;display:flex;flex-direction:column;gap:8px;}
.mobile-nav__inner a{
  padding:13px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-weight:600;font-size:15px;color:var(--text-2);
}
.mobile-nav__inner a.is-active{background:var(--grad-brand);color:#fff;border-color:transparent;}
.mobile-nav__inner .btn{margin-top:8px;}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:clamp(520px,72vh,760px);display:flex;align-items:center;overflow:hidden;}
.hero__bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;transform:scale(1.03);}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(11,8,23,.97) 0%,rgba(11,8,23,.86) 34%,rgba(11,8,23,.42) 66%,rgba(11,8,23,.9) 100%);
}
.hero__glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 460px at 20% 52%,rgba(11,8,23,.92),rgba(11,8,23,0) 70%),
    radial-gradient(560px 360px at 82% 22%,rgba(255,61,154,.16),rgba(255,61,154,0) 68%);
}
.hero__grid{
  position:absolute;inset:0;opacity:.055;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero__inner{position:relative;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:48px;width:100%;padding-top:56px;padding-bottom:56px;}
.hero__copy{max-width:620px;}
.hero__pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.6px;color:var(--text-2);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.05);
}
.hero__pill i{color:var(--brand-3);font-size:11px;}
.hero h1{
  margin-top:22px;
  font-size:clamp(30px,4.4vw,56px);
  line-height:1.15;font-weight:900;letter-spacing:-.5px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#A22BFF 0%,#FF3D9A 55%,#22E0C8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:34ch;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero__stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.stat{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  backdrop-filter:blur(6px);
  min-width:112px;
}
.stat b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.4px;
  background:linear-gradient(120deg,#fff,#C9B6FF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat span{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.4px;}
.hero__poster{
  display:none;position:relative;flex:none;
  width:280px;
  border-radius:var(--r-lg);
  overflow:hidden;
  transform:rotate(-3deg);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 70px rgba(6,4,20,.7),0 0 0 1px rgba(255,61,154,.14);
}
.hero__poster img{width:100%;aspect-ratio:2/3;object-fit:cover;}
.hero__poster-meta{
  position:absolute;left:0;right:0;bottom:0;
  padding:18px 16px 16px;
  background:linear-gradient(180deg,rgba(11,8,23,0),rgba(11,8,23,.94));
}
.hero__poster-meta strong{display:block;font-size:15px;font-weight:800;}
.hero__poster-meta small{display:block;font-size:12px;color:var(--text-3);margin-top:4px;letter-spacing:.4px;}
@media (min-width:1024px){.hero__poster{display:block;}}

/* ---------- Rail ---------- */
.rail-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px;}
.rail-nav{display:flex;gap:10px;}
.rail-btn{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text-2);transition:all .22s var(--ease);
}
.rail-btn:hover{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 10px 24px rgba(109,43,255,.34);}
.rail-btn:disabled{opacity:.35;cursor:not-allowed;background:rgba(255,255,255,.05);color:var(--text-3);box-shadow:none;border-color:var(--line);}
.rail{
  display:flex;gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 6px 20px;
  scrollbar-width:thin;
  scroll-behavior:smooth;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:var(--r-pill);}
.rail-card{
  flex:0 0 240px;scroll-snap-align:start;
  border-radius:var(--r-lg);
  background:var(--surface-2);
  background-image:var(--grad-soft);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  overflow:hidden;position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rail-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:var(--grad-brand);opacity:0;pointer-events:none;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;
  transition:opacity .22s var(--ease);
}
.rail-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);}
.rail-card:hover::before{opacity:1;}
.rail-card__cover{position:relative;display:block;overflow:hidden;}
.rail-card__cover img{width:100%;aspect-ratio:2/3;object-fit:cover;transition:transform .5s var(--ease);}
.rail-card:hover .rail-card__cover img{transform:scale(1.06);}
.rail-card__rate{
  position:absolute;top:12px;right:12px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
  background:rgba(11,8,23,.78);color:var(--star);
  border:1px solid rgba(255,198,75,.3);
  backdrop-filter:blur(6px);
}
.rail-card__body{padding:14px 16px 18px;}
.rail-card__body h3{font-size:15px;font-weight:700;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rail-card__body p{margin-top:6px;font-size:12.5px;font-weight:600;letter-spacing:.4px;color:var(--text-3);}
@media (max-width:1023px){.rail-nav{display:none;}}

/* ---------- Hot grid ---------- */
.hot-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.hot-main{
  display:grid;grid-template-columns:280px 1fr;gap:26px;
  padding:24px;border-radius:var(--r-lg);
  background:var(--surface-2);background-image:var(--grad-soft);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  position:relative;overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.hot-main:hover{transform:translateY(-6px);box-shadow:var(--sh-2);}
.hot-main__cover{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);}
.hot-main__cover img{width:100%;height:100%;min-height:280px;object-fit:cover;}
.hot-main__body{display:flex;flex-direction:column;}
.hot-main__body h3{margin-top:14px;font-size:24px;font-weight:900;line-height:1.3;letter-spacing:-.4px;}
.hot-main__body > p{margin-top:12px;color:var(--text-2);font-size:14.5px;line-height:1.8;}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.point-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.point-list li i{color:var(--brand-3);font-size:12px;margin-top:7px;flex:none;}
.hot-main__foot{margin-top:auto;padding-top:22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.hot-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.hot-item{
  display:flex;gap:16px;align-items:center;
  padding:18px;border-radius:var(--r-lg);
  background:var(--surface-2);background-image:var(--grad-soft);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.hot-item:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(109,43,255,.42);}
.hot-item__thumb{width:96px;height:128px;flex:none;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);}
.hot-item__thumb img{width:100%;height:100%;object-fit:cover;}
.hot-item__body{min-width:0;}
.hot-item__body h4{font-size:16.5px;font-weight:800;line-height:1.4;}
.hot-item__body p{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-item__body .badge{margin-top:12px;}
@media (max-width:1023px){
  .hot-grid{grid-template-columns:1fr;}
  .hot-main{grid-template-columns:1fr;}
  .hot-main__cover img{min-height:200px;aspect-ratio:16/10;}
  .hot-side{grid-template-rows:auto;}
}

/* ---------- News (CMS) ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--r-lg);overflow:hidden;
  background:var(--surface-2);background-image:var(--grad-soft);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:var(--grad-brand);opacity:0;pointer-events:none;z-index:2;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;
  transition:opacity .22s var(--ease);
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);}
.news-card:hover::before{opacity:1;}
.news-card__cover{display:block;overflow:hidden;}
.news-card__cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-card__cover img{transform:scale(1.05);}
.news-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.news-card__meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;}
.news-card__meta time{font-size:12.5px;font-weight:500;letter-spacing:.4px;color:var(--text-3);}
.news-card__body h3{font-size:16.5px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__body h3 a:hover{color:var(--brand-3);}
.news-card__body > p{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__foot{margin-top:auto;padding-top:16px;}
.news-card__foot .read{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--brand-3);}
.news-card__foot .read i{font-size:11px;transition:transform .22s var(--ease);}
.news-card:hover .news-card__foot .read i{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;
  padding:64px 24px;text-align:center;
  border:1px dashed rgba(255,255,255,.2);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:32px;color:var(--brand-3);opacity:.8;}
.empty-state p{margin:16px 0 22px;color:var(--text-2);font-size:15px;}
@media (max-width:1023px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:639px){.news-grid{grid-template-columns:1fr;}}

/* ---------- Playlist ---------- */
.playlist{background:linear-gradient(180deg,rgba(20,16,42,.6),rgba(11,8,23,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.playlist-grid{display:grid;grid-template-columns:repeat(3,1fr);}
.playlist-col{padding:0 28px;}
.playlist-col:first-child{padding-left:0;}
.playlist-col:last-child{padding-right:0;}
.playlist-col + .playlist-col{border-left:1px solid var(--line);}
.playlist-head{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.playlist-num{
  font-size:26px;font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:-1px;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.playlist-head h3{font-size:17px;font-weight:800;}
.playlist-feature{display:block;border-radius:var(--r-md);overflow:hidden;position:relative;border:1px solid var(--line);}
.playlist-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
.playlist-feature:hover img{transform:scale(1.05);}
.playlist-feature__cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px;
  background:linear-gradient(180deg,rgba(11,8,23,0),rgba(11,8,23,.92));
}
.playlist-feature__cap strong{display:block;font-size:15px;font-weight:800;}
.playlist-feature__cap .badge{margin-top:8px;}
.playlist-list{margin-top:16px;}
.playlist-list li{
  display:flex;align-items:center;gap:12px;
  padding:12px 0;border-bottom:1px solid var(--line);
  font-size:14px;
}
.playlist-list li:last-child{border-bottom:0;}
.playlist-list .idx{
  font-size:12.5px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--text-3);flex:none;width:22px;
}
.playlist-list .name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2);}
.playlist-list li:hover .name{color:var(--text);}
.playlist-list .heat{font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--text-3);flex:none;}
@media (max-width:1023px){
  .playlist-grid{grid-template-columns:1fr;}
  .playlist-col{padding:0;}
  .playlist-col + .playlist-col{border-left:0;border-top:1px solid var(--line);padding-top:34px;margin-top:34px;}
}

/* ---------- Metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric{
  padding:26px 24px;border-radius:var(--r-lg);
  background:var(--surface-2);background-image:var(--grad-soft);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:8px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.metric:hover{transform:translateY(-6px);border-color:rgba(34,224,200,.35);}
.metric__top{display:flex;align-items:center;gap:10px;}
.metric__dot{width:8px;height:8px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 14px var(--brand-2);flex:none;}
.metric__top i{font-size:15px;color:var(--brand-3);}
.metric b{font-size:clamp(26px,3vw,36px);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-1px;
  background:linear-gradient(120deg,#fff 10%,#B79BFF 90%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric span{font-size:13px;font-weight:500;color:var(--text-3);letter-spacing:.4px;}
@media (max-width:767px){.metrics{grid-template-columns:repeat(2,1fr);gap:16px;}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{position:relative;border-bottom:1px solid var(--line);}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;
  background:var(--grad-brand);opacity:0;transform:scaleY(.3);transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.faq-item.is-open::before{opacity:1;transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 0 16px 18px;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-3);}
.faq-icon{
  width:28px;height:28px;border-radius:50%;flex:none;
  display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text-2);font-size:12px;
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--grad-brand);color:#fff;border-color:transparent;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease);}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{padding:0 18px 20px;font-size:15px;line-height:1.9;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);}
.cta-band__bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;}
.cta-band__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(109,43,255,.9) 0%,rgba(162,43,255,.86) 48%,rgba(255,61,154,.84) 100%);
}
.cta-band__inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:48px;
}
.cta-band__copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:900;letter-spacing:-.5px;}
.cta-band__copy p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:46ch;}
.cta-form{display:flex;gap:12px;flex:none;align-items:center;}
.cta-form input{
  width:280px;height:48px;padding:0 18px;
  border-radius:var(--r-pill);
  background:rgba(11,8,23,.5);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.6);}
.cta-form input:focus{outline:none;border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(34,224,200,.24);}
.cta-form .btn{background:#0B0817;color:#fff;box-shadow:0 10px 26px rgba(6,4,20,.4);}
.cta-form .btn:hover{filter:brightness(1.2);}
.form-note{margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.72);}
@media (max-width:1023px){
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:36px 26px;}
  .cta-form{flex-direction:column;align-items:stretch;width:100%;}
  .cta-form input{width:100%;}
}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(20,16,42,.5),rgba(11,8,23,1));padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:34ch;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);
  transition:all .22s var(--ease);
}
.socials a:hover{background:var(--grad-brand);color:#fff;border-color:transparent;transform:translateY(-3px);}
.footer-col h4{font-size:14px;font-weight:800;letter-spacing:.4px;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-col ul a:hover{color:var(--brand-3);transform:translateX(2px);}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;}
.footer-sub{margin-top:16px;display:flex;gap:10px;}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#fff;font-size:14px;
}
.footer-sub input::placeholder{color:var(--text-3);}
.footer-sub input:focus{outline:none;border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(34,224,200,.2);}
.footer-sub button{
  height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;flex:none;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.footer-sub button:hover{filter:brightness(1.1);transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:24px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}
.footer-bottom .tech{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .tech span{font-size:13px;color:var(--text-3);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .nav-chips{display:none;}
  .burger{display:grid;}
  .header-actions .btn{display:none;}
  .hero{min-height:60vh;}
  .hero__inner{padding-top:44px;padding-bottom:44px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero h1{font-size:clamp(28px,7.4vw,38px);}
  .hero__sub{font-size:15.5px;}
  .hero__cta{flex-direction:column;align-items:stretch;}
  .hero__cta .btn{width:100%;min-height:48px;}
  .hero__stats{gap:10px;}
  .stat{flex:1 1 calc(50% - 5px);min-width:0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .rail-card{flex:0 0 200px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .hero h1{font-size:clamp(24px,7.6vw,30px);}
  .rail-card{flex:0 0 168px;}
  .hot-main{padding:18px;}
  .metric b{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#6D2BFF;
  --brand-2:#FF3D9A;
  --brand-3:#22E0C8;
  --star:#FFC64B;
  --grad-brand:linear-gradient(135deg,#6D2BFF 0%,#A22BFF 45%,#FF3D9A 100%);
  --grad-soft:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --bg:#0B0817;
  --surface:#14102A;
  --surface-2:#1B1638;
  --line:rgba(255,255,255,.08);
  --text:#F4F1FF;
  --text-2:#B7B0D6;
  --text-3:#7E77A3;
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#FB5D5D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 4px 18px rgba(6,4,20,.5);
  --sh-2:0 18px 48px rgba(109,43,255,.22);
  --ease:cubic-bezier(.22,.7,.3,1);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(109,43,255,.5);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:rgba(255,255,255,.02);}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;border:2px solid transparent;background-clip:content-box;}
::-webkit-scrollbar-thumb:hover{background:rgba(109,43,255,.55);background-clip:content-box;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.bg-grid{
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.055;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  height:68px;
  background:rgba(11,8,23,.74);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:height .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-stuck{height:60px;background:rgba(11,8,23,.93);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:20px;height:100%;}
.logo{display:inline-flex;align-items:center;gap:10px;height:36px;flex:0 0 auto;}
.logo-mark{
  width:30px;height:30px;border-radius:10px;background:var(--grad-brand);
  box-shadow:0 6px 18px rgba(109,43,255,.45);position:relative;flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;inset:9px;border-radius:4px;
  background:rgba(11,8,23,.85);transform:rotate(45deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.05;}
.logo-text b{font-size:15px;font-weight:900;letter-spacing:.5px;}
.logo-text span{font-size:11px;color:var(--text-3);letter-spacing:2.4px;font-weight:600;}
.nav-chips{
  display:flex;align-items:center;gap:2px;margin:0 auto;
  padding:4px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.nav-chips a{
  padding:9px 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-chips a:hover{color:var(--text);background:rgba(255,255,255,.07);}
.nav-chips a.is-active{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 6px 18px rgba(109,43,255,.38);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--r-pill);cursor:pointer;
  font-weight:700;min-height:44px;text-align:center;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;padding:18px 40px;box-shadow:0 8px 26px rgba(109,43,255,.32);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 36px rgba(255,61,154,.34);}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:var(--text);padding:16px 32px;}
.btn-ghost:hover{border-color:rgba(34,224,200,.65);color:var(--brand-3);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;min-height:38px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);
  cursor:pointer;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:var(--brand-3);border-color:rgba(34,224,200,.5);background:rgba(34,224,200,.08);}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.menu-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s var(--ease),opacity .2s var(--ease);}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer{
  position:fixed;left:0;right:0;top:68px;z-index:70;
  background:rgba(16,12,34,.98);
  border-bottom:1px solid var(--line);
  padding:18px 24px 24px;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 24px 48px rgba(4,2,14,.6);
}
.drawer[hidden]{display:none;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.drawer-nav a{
  padding:13px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--text);border-color:rgba(109,43,255,.5);}
.drawer .btn{width:100%;}

/* ============ Breadcrumb ============ */
.crumb-bar{padding:26px 0 0;position:relative;z-index:1;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);font-weight:500;}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand-3);}
.breadcrumb .sep{color:rgba(255,255,255,.2);}
.breadcrumb .current{color:var(--text-3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ Article head ============ */
.article-wrap{padding:26px 0 72px;position:relative;z-index:1;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;max-width:1180px;margin:0 auto;}
.article-head{
  position:relative;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface-2);
  background-image:var(--grad-soft);
  padding:34px 34px 30px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.article-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 240px at 12% -10%,rgba(109,43,255,.30),transparent 70%),
             radial-gradient(420px 200px at 96% 6%,rgba(255,61,154,.20),transparent 72%);
}
.article-head > *{position:relative;}
.chip-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.4px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:var(--text-2);
}
.chip-brand{
  background:rgba(109,43,255,.18);border-color:rgba(109,43,255,.55);color:#DCCBFF;
}
.chip-dot::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--brand-3);box-shadow:0 0 10px var(--brand-3);
}
.article-head h1{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.25;font-weight:900;letter-spacing:-.5px;
  margin-bottom:18px;color:var(--text);
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px 22px;
  padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);font-weight:500;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand-3);font-size:12px;}

/* ============ Article body ============ */
.article-body{
  margin-top:32px;
  font-size:17px;line-height:1.9;color:var(--text-2);
  max-width:780px;
  word-break:break-word;
}
.article-body p{margin:1.2em 0;}
.article-body h2{
  position:relative;
  margin:40px 0 16px;padding-left:16px;
  font-size:24px;line-height:1.4;font-weight:800;color:var(--text);letter-spacing:-.2px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
.article-body h3{margin:28px 0 12px;font-size:19px;font-weight:700;color:var(--text);}
.article-body h4{margin:22px 0 10px;font-size:16.5px;font-weight:700;color:var(--text);}
.article-body a{color:var(--brand-3);border-bottom:1px solid rgba(34,224,200,.35);transition:border-color .2s var(--ease),color .2s var(--ease);}
.article-body a:hover{border-bottom-color:var(--brand-3);color:#7FF3E3;}
.article-body strong{color:var(--text);font-weight:700;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:1.1em 0;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li{margin:.6em 0;}
.article-body li::marker{color:var(--brand-2);}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;
  border-left:3px solid var(--brand-2);
  background:linear-gradient(90deg,rgba(255,61,154,.10),rgba(255,61,154,.02));
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p{margin:.4em 0;}
.article-body img{
  width:auto;max-width:100%;height:auto;margin:24px 0;
  border-radius:16px;border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:15px;border-top:1px solid rgba(255,255,255,.16);border-bottom:1px solid rgba(255,255,255,.16);
}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{font-weight:700;color:var(--text);background:rgba(255,255,255,.03);}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{
  padding:2px 7px;border-radius:6px;font-size:.9em;
  background:rgba(255,255,255,.07);border:1px solid var(--line);color:#DCCBFF;
}
.article-body pre{
  padding:18px;border-radius:var(--r-md);overflow-x:auto;
  background:rgba(0,0,0,.35);border:1px solid var(--line);
}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0;}
.notice{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 18px;margin:22px 0;border-radius:var(--r-sm);
  background:rgba(34,224,200,.07);border-left:3px solid var(--brand-3);
  font-size:15px;color:var(--text-2);
}
.notice.warn{background:rgba(251,191,36,.08);border-left-color:var(--warn);}

.empty-state{
  margin-top:32px;padding:56px 26px;text-align:center;
  border:1px dashed rgba(255,255,255,.22);border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:30px;color:var(--brand-3);margin-bottom:14px;display:block;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px;}

/* ============ Tags ============ */
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row .tag-label{font-size:13px;color:var(--text-3);font-weight:600;letter-spacing:.4px;margin-right:4px;}
.tag{
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{color:var(--brand-3);border-color:rgba(34,224,200,.5);transform:translateY(-2px);}

/* ============ Related ============ */
.related{margin-top:56px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;}
.section-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;letter-spacing:-.3px;line-height:1.3;}
.section-head p{font-size:13.5px;color:var(--text-3);margin-top:6px;}
.related-rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(230px,1fr);
  gap:20px;overflow-x:auto;padding-bottom:14px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.related-card{
  scroll-snap-align:start;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface-2);background-image:var(--grad-soft);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:block;
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(109,43,255,.55);}
.related-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface);}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.related-card:hover .thumb img{transform:scale(1.06);}
.related-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(11,8,23,.78) 100%);
}
.related-card .body{padding:14px 16px 18px;}
.related-card .body .meta{font-size:12px;color:var(--brand-3);font-weight:600;letter-spacing:.4px;margin-bottom:8px;}
.related-card .body h3{font-size:15px;font-weight:700;line-height:1.55;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ============ Back bar ============ */
.back-bar{
  margin-top:40px;padding:20px 22px;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface-2);background-image:var(--grad-soft);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.back-bar p{font-size:14px;color:var(--text-2);}
.back-bar .actions{display:flex;gap:12px;flex-wrap:wrap;}
.back-bar .btn{padding:12px 26px;font-size:14px;min-height:44px;}

/* ============ Sidebar ============ */
.article-side{display:flex;flex-direction:column;gap:22px;}
.side-card{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface-2);background-image:var(--grad-soft);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;font-weight:800;letter-spacing:.4px;margin-bottom:16px;
  display:flex;align-items:center;gap:9px;color:var(--text);
}
.side-card h3 i{color:var(--brand-2);font-size:14px;}
.side-list li{border-bottom:1px solid var(--line);}
.side-list li:last-child{border-bottom:0;}
.side-list a{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;
  font-size:14px;line-height:1.6;color:var(--text-2);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.side-list a:hover{color:var(--brand-3);padding-left:4px;}
.side-list .num{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11.5px;font-weight:800;font-variant-numeric:tabular-nums;
  background:rgba(109,43,255,.22);color:#DCCBFF;
}
.side-list .num.top{background:var(--grad-brand);color:#fff;}
.side-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.side-stat{
  padding:14px;border-radius:var(--r-md);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.side-stat b{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;}
.side-stat span{font-size:12px;color:var(--text-3);font-weight:500;letter-spacing:.3px;}
.side-cta{background-image:linear-gradient(135deg,rgba(109,43,255,.35),rgba(255,61,154,.22));}
.side-cta p{font-size:13.5px;color:var(--text-2);margin-bottom:16px;line-height:1.75;}
.side-cta .btn{width:100%;padding:13px 20px;font-size:14px;}

/* ============ Footer ============ */
.site-footer{
  position:relative;z-index:1;
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(20,16,42,.85),rgba(11,8,23,1));
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:34ch;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{
  width:36px;height:36px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);font-size:14px;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.socials a:hover{color:var(--brand-3);border-color:rgba(34,224,200,.5);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:800;letter-spacing:.5px;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
.footer-col ul a:hover{color:var(--brand-3);transform:translateX(2px);}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.75;margin-bottom:14px;}
.footer-sub{display:flex;gap:10px;}
.footer-sub input{
  flex:1;min-width:0;height:48px;padding:0 18px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--text);font-size:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-sub input::placeholder{color:var(--text-3);}
.footer-sub input:focus{outline:none;border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(34,224,200,.18);}
.footer-sub button{
  height:48px;padding:0 22px;border:0;cursor:pointer;
  border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;
  font-size:14px;font-weight:700;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.footer-sub button:hover{filter:brightness(1.08);transform:translateY(-2px);}
.footer-bottom{
  margin-top:48px;padding:22px 0;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}
.footer-bottom .tech{display:flex;gap:22px;flex-wrap:wrap;}
.footer-bottom .tech span{font-size:12.5px;color:var(--text-3);display:inline-flex;align-items:center;gap:7px;}
.footer-bottom .tech i{color:var(--brand-3);}

/* ============ Responsive ============ */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,780px) 300px;justify-content:center;}
  .article-side{position:sticky;top:96px;align-self:start;}
}
@media (max-width:1199px){
  .article-side{order:2;}
}
@media (max-width:1023px){
  .nav-chips{display:none;}
  .menu-toggle{display:flex;}
  .header-actions .btn-primary{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .article-head{padding:28px 24px 24px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin-top:34px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .article-wrap{padding-bottom:52px;}
  .article-head{border-radius:var(--r-md);}
  .article-head h1{font-size:clamp(23px,5.6vw,30px);}
  .article-meta{gap:8px 16px;font-size:12.5px;}
  .back-bar{flex-direction:column;align-items:flex-start;}
  .back-bar .actions{width:100%;}
  .back-bar .actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:64px;padding-top:48px;}
  .related-rail{grid-auto-columns:minmax(200px,82%);}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .logo-text b{font-size:14px;}
  .article-body{font-size:15.5px;}
  .footer-sub{flex-direction:column;}
  .footer-sub button{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#6D2BFF;
  --brand-2:#FF3D9A;
  --brand-3:#22E0C8;
  --star:#FFC64B;
  --grad-brand:linear-gradient(135deg,#6D2BFF 0%,#A22BFF 45%,#FF3D9A 100%);
  --grad-soft:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --bg:#0B0817;
  --surface:#14102A;
  --surface-2:#1B1638;
  --line:rgba(255,255,255,.08);
  --text:#F4F1FF;
  --text-2:#B7B0D6;
  --text-3:#7E77A3;
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#FB5D5D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 4px 18px rgba(6,4,20,.5);
  --sh-2:0 18px 48px rgba(109,43,255,.22);
  --ease:cubic-bezier(.22,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;}

:focus-visible{
  outline:2px solid var(--brand-3);
  outline-offset:3px;
  border-radius:6px;
}

::selection{background:rgba(162,43,255,.45);color:#fff;}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:rgba(255,255,255,.03);}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px;border:2px solid transparent;background-clip:padding-box;}
::-webkit-scrollbar-thumb:hover{background:rgba(162,43,255,.6);background-clip:padding-box;}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,8,23,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,8,23,.94);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:68px;
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px;}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  position:relative;
  width:36px;height:36px;
  border-radius:12px;
  background:var(--grad-brand);
  box-shadow:0 8px 22px rgba(109,43,255,.4);
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:12px 10px;
  background:rgba(255,255,255,.94);
  clip-path:polygon(0 0,100% 50%,0 100%);
  border-radius:2px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.08;font-size:15px;font-weight:900;letter-spacing:.2px;}
.logo-text span{font-size:11px;font-weight:600;color:var(--text-3);letter-spacing:3px;}

.nav-chips{
  display:flex;
  gap:4px;
  margin:0 auto;
  padding:4px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.nav-chips a{
  padding:9px 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.nav-chips a:hover{color:var(--text);background:rgba(255,255,255,.07);}
.nav-chips a.is-active{
  color:#fff;
  background:var(--grad-brand);
  box-shadow:0 6px 18px rgba(109,43,255,.35);
}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text-2);
  cursor:pointer;
  transition:.22s var(--ease);
}
.icon-btn:hover{color:var(--brand-3);border-color:rgba(34,224,200,.45);background:rgba(34,224,200,.08);}

.hamburger{
  position:relative;
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  cursor:pointer;
}
.hamburger span{
  position:absolute;left:12px;right:12px;height:2px;
  border-radius:2px;background:var(--text);
  transition:.25s var(--ease);
}
.hamburger span:nth-child(1){top:15px;}
.hamburger span:nth-child(2){top:21px;}
.hamburger span:nth-child(3){top:27px;}
.hamburger.is-open span:nth-child(1){top:21px;transform:rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){top:21px;transform:rotate(-45deg);}

.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(340px,86vw);
  padding:88px 22px 32px;
  background:var(--surface);
  border-left:1px solid var(--line);
  transform:translateX(105%);
  transition:transform .32s var(--ease);
  z-index:80;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-title{font-size:12.5px;font-weight:600;letter-spacing:.4px;color:var(--text-3);margin-bottom:12px;}
.drawer-nav{display:flex;flex-direction:column;gap:8px;}
.drawer-nav a{
  padding:14px 16px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.04);
  border:1px solid transparent;
  font-weight:600;
  color:var(--text-2);
  transition:.22s var(--ease);
}
.drawer-nav a:hover{color:var(--text);border-color:var(--line);}
.drawer-nav a.is-active{color:#fff;background:var(--grad-brand);}
.drawer-cta{margin-top:24px;display:grid;gap:12px;}

.overlay{
  position:fixed;inset:0;
  background:rgba(4,2,12,.62);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
  z-index:70;
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:12px 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  transition:.22s var(--ease);
}
.btn-primary{
  color:#fff;
  background:var(--grad-brand);
  box-shadow:0 10px 26px rgba(109,43,255,.32);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 16px 40px rgba(255,61,154,.34);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  color:var(--text);
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.18);
}
.btn-ghost:hover{
  color:var(--brand-3);
  box-shadow:inset 0 0 0 1px rgba(34,224,200,.55);
  transform:translateY(-2px);
}
.btn-sm{min-height:40px;padding:10px 20px;font-size:14px;}
.btn:disabled,.btn.is-disabled{filter:saturate(.4);opacity:.55;cursor:not-allowed;transform:none;}

.text-link{
  position:relative;
  font-size:14px;
  font-weight:600;
  color:var(--brand-3);
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  width:100%;height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  display:flex;
  align-items:center;
  min-height:400px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(105deg,rgba(11,8,23,.96) 0%,rgba(11,8,23,.78) 48%,rgba(11,8,23,.42) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:78% 32%;
  z-index:0;
}
.cat-hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:52px 52px;
  opacity:.05;
}
.cat-hero-inner{position:relative;z-index:1;padding:72px 24px;width:100%;}
.cat-hero-copy{max-width:720px;}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.05);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
  color:var(--text-2);
}
.pill::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-3);
  box-shadow:0 0 10px var(--brand-3);
}

.cat-hero h1{
  margin:20px 0 0;
  font-size:clamp(30px,4.4vw,50px);
  font-weight:900;
  line-height:1.15;
  letter-spacing:-.5px;
  text-shadow:0 6px 30px rgba(6,4,20,.6);
}
.cat-hero-sub{
  margin:18px 0 0;
  max-width:640px;
  font-size:clamp(15px,1.5vw,17px);
  color:var(--text-2);
  line-height:1.8;
}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-badges li{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.hero-badges b{
  font-size:20px;
  font-weight:800;
  line-height:1;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-badges span{font-size:12.5px;font-weight:600;color:var(--text-3);letter-spacing:.4px;}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:56px 0 32px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.eyebrow{
  display:block;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:1.6px;
  color:var(--brand-3);
  margin-bottom:10px;
  text-transform:uppercase;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  font-weight:800;
  letter-spacing:-.3px;
}
.section-head p{margin:10px 0 0;color:var(--text-2);font-size:15px;max-width:60ch;}

.cat-intro{
  max-width:72ch;
  margin:0 0 28px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

.filter-chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  font-size:13.5px;
  font-weight:600;
  cursor:pointer;
  transition:.22s var(--ease);
}
.chip:hover{color:var(--text);border-color:rgba(162,43,255,.45);}
.chip.is-on{
  color:#fff;
  background:var(--grad-brand);
  border-color:transparent;
  box-shadow:0 8px 20px rgba(109,43,255,.3);
}

/* ---------- 卡片网格 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.media-card{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background-color:var(--surface-2);
  background-image:var(--grad-soft);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.media-card:hover{
  transform:translateY(-6px);
  border-color:rgba(162,43,255,.55);
  box-shadow:var(--sh-2);
}
.media-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.media-card .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.media-card:hover .thumb img{transform:scale(1.06);}
.media-card .thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,8,23,0) 40%,rgba(11,8,23,.6) 100%);
}
.card-badge{
  position:absolute;
  top:14px;left:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(11,8,23,.72);
  border:1px solid rgba(255,255,255,.16);
  font-size:12px;
  font-weight:700;
  letter-spacing:.4px;
  color:var(--star);
}
.media-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.meta-row{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
  flex-wrap:wrap;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.4px;
  color:var(--brand-3);
  background:rgba(34,224,200,.1);
  border:1px solid rgba(34,224,200,.26);
}
.tag.is-star{color:var(--star);background:rgba(255,198,75,.1);border-color:rgba(255,198,75,.28);}
.tag.is-magenta{color:#FF9CCB;background:rgba(255,61,154,.12);border-color:rgba(255,61,154,.3);}
.meta-time{font-size:12.5px;font-weight:600;color:var(--text-3);letter-spacing:.4px;}

.card-title{font-size:18px;font-weight:700;line-height:1.45;}
.card-text{
  margin:8px 0 0;
  font-size:13.5px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.card-foot .read{font-size:13.5px;font-weight:700;color:var(--brand-3);}
.card-foot .read i{margin-left:4px;transition:transform .22s var(--ease);}
.media-card:hover .card-foot .read i{transform:translateX(4px);}
.hot-num{
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--text-3);
}

/* ---------- 首发节奏 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.step{
  padding:26px 24px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background-color:var(--surface-2);
  background-image:var(--grad-soft);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  display:block;
  font-size:36px;
  font-weight:900;
  line-height:1;
  letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.step h3{margin:16px 0 8px;font-size:17px;}
.step p{margin:0;font-size:13.5px;line-height:1.75;color:var(--text-2);}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:48px;
  align-items:center;
}
.split-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.split-body h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.3px;}
.split-body > p{margin:16px 0 0;font-size:15px;line-height:1.85;color:var(--text-2);}
.feature-list{margin-top:24px;display:grid;gap:14px;}
.feature-list li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--text-2);}
.feature-list i{color:var(--brand-3);margin-top:7px;font-size:13px;flex:0 0 auto;}
.feature-list b{color:var(--text);font-weight:700;}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;}
.faq-item{position:relative;border-bottom:1px solid var(--line);}
.faq-item::before{
  content:"";
  position:absolute;
  left:-14px;top:12px;bottom:12px;
  width:4px;
  border-radius:4px;
  background:var(--grad-brand);
  opacity:0;
  transition:opacity .22s var(--ease);
}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:12px 0;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  cursor:pointer;
}
.faq-q i{flex:0 0 auto;color:var(--brand-3);font-size:14px;transition:transform .25s var(--ease);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{margin:0;padding:0 0 20px;font-size:15px;line-height:1.9;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  padding:48px;
  background-image:
    linear-gradient(120deg,rgba(109,43,255,.9) 0%,rgba(162,43,255,.86) 45%,rgba(255,61,154,.84) 100%),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.55) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.06;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:32px;
  align-items:center;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff;letter-spacing:-.3px;}
.cta-inner p{margin:12px 0 0;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);}
.cta-form{display:flex;gap:12px;}
.cta-form input{
  flex:1;
  min-width:0;
  height:48px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.35);
  background:rgba(10,6,24,.42);
  color:#fff;
  transition:.22s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.62);}
.cta-form input:focus{
  outline:none;
  border-color:var(--brand-3);
  box-shadow:0 0 0 3px rgba(34,224,200,.3);
}
.cta-form button{
  flex:0 0 auto;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.5);
  background:rgba(11,8,23,.55);
  color:#fff;
  font-weight:700;
  cursor:pointer;
  transition:.22s var(--ease);
}
.cta-form button:hover{background:rgba(11,8,23,.78);transform:translateY(-2px);}
.form-hint{margin:10px 0 0;font-size:12.5px;color:rgba(255,255,255,.72);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  padding:64px 0 28px;
  background:var(--surface);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand p{
  margin:16px 0 20px;
  max-width:34ch;
  font-size:14px;
  line-height:1.8;
  color:var(--text-3);
}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  transition:.22s var(--ease);
}
.socials a:hover{color:#fff;background:var(--grad-brand);border-color:transparent;transform:translateY(-2px);}
.footer-col h4{margin:0 0 16px;font-size:14px;font-weight:700;letter-spacing:.4px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  display:inline-block;
  font-size:14px;
  color:var(--text-2);
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-col a:hover{color:var(--brand-3);transform:translateX(2px);}
.footer-col > p{margin:0 0 12px;font-size:14px;line-height:1.75;color:var(--text-3);}
.footer-sub{display:flex;gap:8px;}
.footer-sub input{
  flex:1;
  min-width:0;
  height:44px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  transition:.22s var(--ease);
}
.footer-sub input::placeholder{color:var(--text-3);}
.footer-sub input:focus{
  outline:none;
  border-color:var(--brand-3);
  box-shadow:0 0 0 3px rgba(34,224,200,.22);
}
.footer-sub button{
  flex:0 0 auto;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  border:0;
  background:var(--grad-brand);
  color:#fff;
  font-weight:700;
  cursor:pointer;
  transition:.22s var(--ease);
}
.footer-sub button:hover{filter:brightness(1.08);transform:translateY(-2px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom p{margin:0;}
.tech{display:flex;gap:20px;flex-wrap:wrap;}
.tech span{display:inline-flex;align-items:center;gap:7px;}
.tech i{color:var(--brand-3);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:1199px){
  .section{padding:80px 0;}
  .section-tight{padding:48px 0 28px;}
}

@media (max-width:1023px){
  .nav-chips{display:none;}
  .hamburger{display:block;}
  .header-actions .btn{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:32px;}
  .split-media img{aspect-ratio:16/9;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .footer-brand{grid-column:1 / -1;}
  .cat-hero{min-height:360px;}
  .cat-hero-inner{padding:64px 24px;}
  .section{padding:72px 0;}
  .section-tight{padding:44px 0 24px;}
}

@media (max-width:767px){
  .container{padding:0 18px;}
  .cat-hero-inner{padding:56px 18px;}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section-tight{padding:36px 0 20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .cta-band{padding:32px 22px;}
  .cta-form{flex-direction:column;}
  .cta-form button{width:100%;}
  .hero-badges li{padding:9px 14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .site-footer{margin-top:64px;padding:48px 0 24px;}
  .btn{min-height:44px;}
}

@media (max-width:479px){
  .container{padding:0 16px;}
  .cat-hero-inner{padding:48px 16px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero-sub{font-size:15px;}
  .cta-row{gap:12px;}
  .cta-row .btn{width:100%;}
  .card-title{font-size:17px;}
  .footer-sub{flex-direction:column;}
  .footer-sub button{width:100%;}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important;}
  .media-card:hover{transform:none;}
  .media-card:hover .thumb img{transform:none;}
  .step:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --brand:#6D2BFF;
  --brand-2:#FF3D9A;
  --brand-3:#22E0C8;
  --star:#FFC64B;
  --grad-brand:linear-gradient(135deg,#6D2BFF 0%,#A22BFF 45%,#FF3D9A 100%);
  --grad-soft:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --bg:#0B0817;
  --surface:#14102A;
  --surface-2:#1B1638;
  --line:rgba(255,255,255,.08);
  --text:#F4F1FF;
  --text-2:#B7B0D6;
  --text-3:#7E77A3;
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#FB5D5D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 4px 18px rgba(6,4,20,.5);
  --sh-2:0 18px 48px rgba(109,43,255,.22);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  padding-bottom:92px;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.35;
  mask-image:radial-gradient(circle at 50% 8%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 8%,#000 0%,transparent 72%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.4px;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:2px;border-radius:6px}
::selection{background:rgba(109,43,255,.45)}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,8,23,.72);
  border-bottom:1px solid transparent;
  transition:background .25s ease,height .25s ease,border-color .25s ease;
}
.site-header.is-stuck{
  background:rgba(11,8,23,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
  transition:height .25s ease;
}
.site-header.is-stuck .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:36px;height:36px;border-radius:12px;flex:none;
  background:var(--grad-brand);
  box-shadow:0 6px 20px rgba(109,43,255,.45);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:11px;
  border-radius:4px;
  background:rgba(255,255,255,.92);
  clip-path:polygon(0 0,100% 50%,0 100%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text b{font-size:16px;font-weight:900;letter-spacing:.2px}
.logo-text span{font-size:11.5px;color:var(--text-2);letter-spacing:2.4px}
.nav-chips{
  display:flex;align-items:center;gap:4px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  padding:4px;border-radius:var(--r-pill);
  margin:0 auto;
}
.nav-chips a{
  padding:10px 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-2);
  white-space:nowrap;
}
.nav-chips a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-chips a.is-active{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 6px 18px rgba(109,43,255,.35);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);transition:.2s;
}
.icon-btn:hover{color:var(--brand-3);border-color:rgba(34,224,200,.45)}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  position:relative;
}
.burger span{
  position:absolute;left:11px;width:20px;height:2px;border-radius:2px;
  background:var(--text);transition:.25s ease;
}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(20,16,42,.98);
  padding:16px 24px 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:12px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--text-2);
}
.mobile-drawer a.is-active{background:var(--grad-brand);color:#fff}
.mobile-drawer a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.mobile-drawer .drawer-cta{margin-top:10px;text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:18px 40px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  min-height:48px;
  transition:transform .22s cubic-bezier(.22,.7,.3,1),box-shadow .22s ease,filter .22s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 30px rgba(109,43,255,.35)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 16px 40px rgba(255,61,154,.32);transform:translateY(-2px)}
.btn-ghost{
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:var(--text);
}
.btn-ghost:hover{border-color:rgba(34,224,200,.6);color:var(--brand-3);transform:translateY(-2px)}
.btn-sm{padding:12px 22px;min-height:40px;font-size:13.5px}
.text-link{color:var(--brand-3);font-weight:600;font-size:14px;position:relative}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;
  background:var(--brand-3);transition:width .25s ease;
}
.text-link:hover::after{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:clamp(320px,42vh,420px);
  display:flex;align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center 30%;
  filter:saturate(1.1);
}
.hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 100% at 8% 88%,rgba(11,8,23,.96) 0%,rgba(11,8,23,.62) 45%,rgba(11,8,23,.12) 100%),
    linear-gradient(180deg,rgba(11,8,23,.85) 0%,rgba(11,8,23,.25) 40%,rgba(11,8,23,.9) 100%);
}
.hero-inner{position:relative;z-index:2;padding:56px 0 44px;max-width:760px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);font-weight:600;letter-spacing:.4px}
.crumb a:hover{color:var(--brand-3)}
.crumb i{font-size:9px}
.hero h1{
  font-size:clamp(28px,4vw,50px);
  line-height:1.15;
  font-weight:900;
  letter-spacing:-.5px;
  margin:16px 0 12px;
  text-shadow:0 6px 28px rgba(0,0,0,.6);
}
.hero h1 em{
  font-style:normal;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:16px;color:var(--text-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.pill-stat{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.06);
  font-size:12.5px;font-weight:600;color:var(--text-2);
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand-3);box-shadow:0 0 10px 2px rgba(34,224,200,.7);flex:none}
.dot.magenta{background:var(--brand-2);box-shadow:0 0 10px 2px rgba(255,61,154,.7)}
.dot.star{background:var(--star);box-shadow:0 0 10px 2px rgba(255,198,75,.7)}

/* ---------- Section base ---------- */
.section{padding:96px 0;position:relative;z-index:1}
.section.tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,32px)}
.section-head p{color:var(--text-2);font-size:14.5px;margin-top:8px;max-width:60ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand-3);text-transform:uppercase;margin-bottom:12px;
}
.lede{max-width:72ch;color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- Filter chips ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  font-size:13px;font-weight:600;color:var(--text-2);
  transition:.2s;
}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.22)}
.chip.is-on{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 8px 22px rgba(109,43,255,.3)}

/* ---------- Rank list + board ---------- */
.rank-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{
  display:flex;align-items:center;gap:16px;
  padding:14px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--surface-2);
  background-image:var(--grad-soft);
  box-shadow:var(--sh-1);
  position:relative;
  transition:transform .22s cubic-bezier(.22,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.rank-item:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(109,43,255,.55)}
.rank-no{
  width:44px;flex:none;text-align:center;
  font-size:22px;font-weight:900;letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.rank-thumb{
  width:92px;height:92px;flex:none;border-radius:var(--r-md);
  object-fit:cover;border:1px solid var(--line);
}
.rank-body{flex:1;min-width:0}
.rank-body h3{font-size:17px;font-weight:700;margin-bottom:6px}
.rank-body h3 a:hover{color:var(--brand-3)}
.rank-body p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:8px}
.rank-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  font-size:12.5px;font-weight:600;color:var(--text-2);letter-spacing:.4px;
}
.tag.hot{color:var(--brand-2);border-color:rgba(255,61,154,.4);background:rgba(255,61,154,.08)}
.tag.new{color:var(--brand-3);border-color:rgba(34,224,200,.4);background:rgba(34,224,200,.08)}
.score{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(255,198,75,.1);border:1px solid rgba(255,198,75,.35);
  font-size:12.5px;font-weight:800;color:var(--star);
  font-variant-numeric:tabular-nums;
}
.rank-score{
  flex:none;text-align:right;padding-left:4px;
}
.rank-score b{
  display:block;font-size:20px;font-weight:900;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.rank-score span{font-size:11.5px;color:var(--text-3);font-weight:600}
.trend-up{color:var(--ok);font-size:12px;font-weight:700}
.trend-flat{color:var(--text-3);font-size:12px;font-weight:700}

/* ---------- Board ---------- */
.board{
  position:sticky;top:96px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--surface);
  background-image:var(--grad-soft);
  box-shadow:var(--sh-1);
  padding:22px 20px;
}
.board h3{
  font-size:16px;font-weight:800;display:flex;align-items:center;gap:8px;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:8px;
}
.board ol{display:flex;flex-direction:column}
.board li + li{border-top:1px solid var(--line)}
.board-item{display:flex;align-items:center;gap:12px;padding:12px 0}
.board-rank{
  width:30px;flex:none;text-align:center;
  font-size:22px;font-weight:900;letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,#22E0C8,#6D2BFF 55%,#FF3D9A);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.board-thumb{width:44px;height:44px;border-radius:10px;object-fit:cover;border:1px solid var(--line);flex:none}
.board-name{flex:1;min-width:0}
.board-name b{display:block;font-size:13.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.board-name span{font-size:11.5px;color:var(--text-3);font-weight:600}
.board-item .trend-up,.board-item .trend-flat{flex:none}
.board-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);line-height:1.7;
}

/* ---------- Badge strip ---------- */
.badge-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--surface);background-image:var(--grad-soft);
  padding:32px 28px;box-shadow:var(--sh-1);
}
.badge-cell{text-align:center}
.badge-cell b{
  display:block;font-size:clamp(26px,3vw,38px);font-weight:800;
  font-variant-numeric:tabular-nums;line-height:1.2;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge-cell span{display:block;margin-top:8px;font-size:13px;color:var(--text-2);font-weight:600}
.badge-cell .dot{margin:0 auto 12px}

/* ---------- Info bars ---------- */
.rules-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.rule-card{
  padding:22px 22px 22px 26px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  position:relative;
}
.rule-card::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--grad-brand);
}
.rule-card h3{font-size:15.5px;font-weight:700;margin-bottom:8px}
.rule-card p{font-size:13.5px;color:var(--text-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item::before{
  content:"";position:absolute;left:-16px;top:14px;bottom:14px;width:4px;border-radius:4px;
  background:var(--grad-brand);opacity:0;transition:opacity .25s ease;
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0;min-height:56px;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);
}
.faq-q:hover{color:var(--brand-3)}
.faq-q i{transition:transform .25s ease;color:var(--text-3);font-size:14px;flex:none}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--brand-3)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{font-size:15px;line-height:1.9;color:var(--text-2);padding:0 0 20px;max-width:70ch}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);
  padding:48px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(135deg,rgba(109,43,255,.92),rgba(162,43,255,.88),rgba(255,61,154,.9));
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.86);font-size:14.5px;max-width:52ch}
.sub-form{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.sub-form input{
  height:48px;min-width:250px;padding:0 20px;border-radius:var(--r-pill);
  background:rgba(11,8,23,.42);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:14px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.66)}
.sub-form input:focus{border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(34,224,200,.28);outline:none}
.sub-form button{
  height:48px;padding:0 30px;border-radius:var(--r-pill);
  background:#fff;color:#2A0C63;font-weight:800;font-size:14.5px;
  transition:.22s;
}
.sub-form button:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(11,8,23,.35)}

/* ---------- Sticky CTA bar ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(20,16,42,.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.sticky-cta .container{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-top:14px;padding-bottom:14px;
}
.sticky-cta p{font-size:13.5px;color:var(--text-2);font-weight:600}
.sticky-cta p b{color:var(--text);font-weight:800}
.sticky-actions{display:flex;gap:12px;align-items:center}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(20,16,42,.6),rgba(11,8,23,1));
  padding-top:64px;margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--text-2);line-height:1.8;max-width:34ch}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:38px;height:38px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
}
.socials a:hover{color:var(--brand-3);border-color:rgba(34,224,200,.5);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:800;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text-2);display:inline-block;transition:transform .2s ease,color .2s ease}
.footer-col a:hover{color:var(--brand-3);transform:translateX(2px)}
.footer-col > p{font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:14px}
.footer-sub{display:flex;gap:8px}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);font-size:13.5px;
}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(34,224,200,.22);outline:none}
.footer-sub button{
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:13.5px;white-space:nowrap;
}
.footer-sub button:hover{filter:brightness(1.08)}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12.5px;color:var(--text-3)}
.footer-bottom .tech{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom .tech span{font-size:12.5px;color:var(--text-3);display:inline-flex;align-items:center;gap:8px}
.footer-bottom .tech i{color:var(--brand-3)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .rank-layout{grid-template-columns:minmax(0,1fr) 280px}
}
@media (max-width:1023px){
  .nav-chips{display:none}
  .burger{display:inline-flex}
  .header-actions .btn{display:none}
  .section{padding:72px 0}
  .rank-layout{grid-template-columns:1fr}
  .board{position:static;order:-1}
  .badge-strip{grid-template-columns:repeat(2,1fr);gap:16px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero-inner{padding:40px 0 32px}
  .hero-sub{font-size:14.5px}
  .btn{padding:15px 28px;width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .rank-item{flex-wrap:wrap;gap:12px}
  .rank-thumb{width:72px;height:72px}
  .rank-score{width:100%;text-align:left;padding-left:60px}
  .rules-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
  .sub-form{width:100%}
  .sub-form input{width:100%;min-width:0}
  .sub-form button{width:100%}
  .sticky-cta .container{flex-direction:column;align-items:stretch;gap:10px}
  .sticky-cta p{text-align:center}
  .sticky-actions{justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  body{padding-bottom:132px}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .badge-strip{grid-template-columns:1fr;padding:24px 20px}
  .rank-thumb{width:60px;height:60px}
  .rank-body h3{font-size:15.5px}
  .footer-sub{flex-direction:column}
  .footer-sub button{width:100%}
  body{padding-bottom:150px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --brand:#6D2BFF;
  --brand-2:#FF3D9A;
  --brand-3:#22E0C8;
  --star:#FFC64B;
  --grad-brand:linear-gradient(135deg,#6D2BFF 0%,#A22BFF 45%,#FF3D9A 100%);
  --grad-soft:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --bg:#0B0817;
  --surface:#14102A;
  --surface-2:#1B1638;
  --line:rgba(255,255,255,.08);
  --text:#F4F1FF;
  --text-2:#B7B0D6;
  --text-3:#7E77A3;
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#FB5D5D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 4px 18px rgba(6,4,20,.5);
  --sh-2:0 18px 48px rgba(109,43,255,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  padding-bottom:78px;
  overflow-x:hidden;
  background-image:radial-gradient(circle at 14% -8%,rgba(109,43,255,.22),transparent 46%),radial-gradient(circle at 88% 4%,rgba(255,61,154,.16),transparent 42%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.4px}
h1{letter-spacing:-.5px}
p{margin:0}
::selection{background:rgba(109,43,255,.5);color:#fff}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;border-radius:8px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:rgba(255,255,255,.03)}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.28);background-clip:padding-box}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.narrow{max-width:860px;margin:0 auto}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;letter-spacing:.3px;white-space:nowrap;transition:all .22s cubic-bezier(.22,.7,.3,1)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 28px rgba(109,43,255,.34)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 40px rgba(255,61,154,.34)}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand-3);color:var(--brand-3);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.4;filter:saturate(.4);cursor:not-allowed;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-3);position:relative}
.text-link::after{content:"";position:absolute;left:0;right:100%;bottom:-3px;height:1px;background:var(--brand-3);transition:right .25s ease}
.text-link:hover::after{right:0}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;background:rgba(11,8,23,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:background .25s,border-color .25s}
.site-header.is-scrolled{background:rgba(11,8,23,.93);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .25s}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);position:relative;box-shadow:0 8px 22px rgba(109,43,255,.45);flex-shrink:0}
.logo-mark::after{content:"";position:absolute;top:11px;left:12px;width:14px;height:14px;background:#0B0817;clip-path:polygon(0 0,100% 50%,0 100%)}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:-.2px}
.logo-text span{font-size:11.5px;color:var(--text-3);letter-spacing:2.4px}
.nav-chips{display:flex;align-items:center;gap:4px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px;margin:0 auto}
.nav-chips a{padding:10px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--text-2);transition:all .2s ease;white-space:nowrap}
.nav-chips a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-chips a.is-active{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(109,43,255,.35)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);transition:all .2s}
.icon-btn:hover{color:var(--brand-3);border-color:rgba(34,224,200,.4)}
.menu-btn{display:none;width:40px;height:40px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.05)}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .2s ease}
.menu-btn.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.is-open span:nth-child(2){opacity:0}
.menu-btn.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(20,16,42,.98);padding:18px 0 22px}
.mobile-drawer.is-open{display:block}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{padding:13px 18px;border-radius:var(--r-md);font-size:15px;font-weight:600;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line)}
.drawer-nav a.is-active{background:var(--grad-brand);color:#fff;border-color:transparent}
.drawer-cta{margin-top:16px;display:flex;gap:12px}
.drawer-cta .btn{flex:1}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-bottom:22px;letter-spacing:.3px}
.breadcrumb a{color:var(--text-2);transition:color .2s}
.breadcrumb a:hover{color:var(--brand-3)}
.breadcrumb .current{color:var(--brand-3)}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;min-height:400px;display:flex;align-items:center;padding:70px 0 64px}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 34%;transform:scale(1.03)}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(112deg,rgba(11,8,23,.95) 0%,rgba(11,8,23,.74) 46%,rgba(11,8,23,.3) 100%)}
.page-hero-inner{position:relative;z-index:2;width:100%}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.05);font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--text-2)}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-3);box-shadow:0 0 10px var(--brand-3)}
.page-hero h1{margin:20px 0 0;font-size:clamp(30px,4.4vw,52px);font-weight:900;max-width:16em}
.page-hero .hero-sub{margin-top:16px;font-size:clamp(15px,1.6vw,17px);color:var(--text-2);max-width:620px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hbadge{display:inline-flex;align-items:baseline;gap:8px;padding:9px 18px;border-radius:var(--r-pill);background:rgba(27,22,56,.9);border:1px solid var(--line)}
.hbadge b{font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hbadge span{font-size:12.5px;color:var(--text-3)}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-alt{background:linear-gradient(180deg,rgba(20,16,42,.55),rgba(11,8,23,0))}
.sec-head{margin-bottom:40px}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:800}
.sec-head p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:72ch}
.intro-text{font-size:15px;line-height:1.85;color:var(--text-2);max-width:72ch}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:13.5px;font-weight:600;color:var(--text-2);transition:all .2s ease}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.24);transform:translateY(-1px)}
.chip.is-active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 10px 24px rgba(109,43,255,.3)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:38px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--brand) 0%,var(--brand-2) 62%,rgba(255,61,154,0) 100%)}
.tl-item{position:relative;padding-bottom:42px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-39px;top:7px;width:20px;height:20px;border-radius:50%;background:var(--surface-2);border:2px solid var(--brand);box-shadow:0 0 0 6px rgba(109,43,255,.13)}
.tl-item:last-child .tl-dot{border-color:var(--brand-3);box-shadow:0 0 0 6px rgba(34,224,200,.14)}
.tl-time{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.4px;color:var(--brand-3)}
.tl-time i{font-size:11px}
.tl-item h3{margin-top:10px;font-size:19px;font-weight:700}
.tl-item p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:64ch}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.3px;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.tag-star{color:var(--star);border-color:rgba(255,198,75,.32);background:rgba(255,198,75,.08)}
.tag-ok{color:var(--ok);border-color:rgba(52,211,153,.3);background:rgba(52,211,153,.08)}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(109,43,255,.28),transparent 58%)}
.point-list{display:flex;flex-direction:column;gap:24px}
.point{display:flex;gap:18px}
.point-num{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.5;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;flex-shrink:0}
.point h3{font-size:16.5px;font-weight:700}
.point p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--text-2)}
.split-cta{margin-top:32px}

/* ---------- 谁适合看 ---------- */
.who-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.who-card{position:relative;background:var(--surface-2);background-image:var(--grad-soft);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform .22s cubic-bezier(.22,.7,.3,1),box-shadow .22s,border-color .22s}
.who-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(255,61,154,.42)}
.who-icon{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(109,43,255,.18);border:1px solid rgba(109,43,255,.4);color:var(--brand-3);font-size:17px;margin-bottom:18px}
.who-card h3{font-size:17px;font-weight:700}
.who-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;text-align:left;font-size:16.5px;font-weight:700;color:var(--text);transition:color .2s}
.faq-q:hover{color:var(--brand-3)}
.faq-q i{color:var(--brand-3);font-size:14px;transition:transform .3s ease;flex-shrink:0}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{position:relative;padding:0 0 20px 20px;font-size:15px;line-height:1.9;color:var(--text-2)}
.faq-a p::before{content:"";position:absolute;left:0;top:6px;bottom:26px;width:4px;border-radius:4px;background:var(--grad-brand)}

/* ---------- CTA 横幅 ---------- */
.cta-banner{position:relative;border-radius:28px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2)}
.cta-banner::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover}
.cta-banner::after{content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:.88}
.cta-inner{position:relative;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:52px 48px}
.cta-copy h2{font-size:clamp(21px,2.4vw,28px);font-weight:800}
.cta-copy p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.86);max-width:44ch}
.cta-form{display:flex;gap:12px;flex-shrink:0}
.cta-form input{height:48px;min-width:250px;padding:0 18px;border-radius:var(--r-pill);background:rgba(11,8,23,.55);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:14px;transition:border-color .2s,box-shadow .2s}
.cta-form input::placeholder{color:rgba(255,255,255,.6)}
.cta-form input:focus{outline:none;border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(34,224,200,.28)}
.cta-form .btn{background:#0B0817;color:#fff;box-shadow:0 10px 26px rgba(6,4,20,.4)}
.cta-form .btn:hover{filter:brightness(1.25);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:linear-gradient(180deg,rgba(20,16,42,.5),var(--bg));border-top:1px solid var(--line);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:34ch}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);transition:all .2s}
.socials a:hover{color:#fff;background:var(--grad-brand);border-color:transparent;transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color .2s,transform .2s;display:inline-block}
.footer-col ul a:hover{color:var(--brand-3);transform:translateX(2px)}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8}
.footer-sub{display:flex;gap:10px;margin-top:16px}
.footer-sub input{flex:1;min-width:0;height:44px;padding:0 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.05);border:1px solid var(--line);color:#fff;font-size:13.5px;transition:border-color .2s,box-shadow .2s}
.footer-sub input::placeholder{color:var(--text-3)}
.footer-sub input:focus{outline:none;border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(34,224,200,.22)}
.footer-sub button{height:44px;padding:0 20px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;transition:filter .2s,transform .2s}
.footer-sub button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:56px;padding:22px 0;border-top:1px solid var(--line)}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.footer-bottom .tech{display:flex;gap:22px;flex-wrap:wrap}
.footer-bottom .tech span{font-size:12.5px;color:var(--text-3);display:inline-flex;align-items:center;gap:7px}
.footer-bottom .tech i{color:var(--brand-3)}

/* ---------- 底部固定 CTA 条 ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:110;background:rgba(20,16,42,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:12px 0}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-copy{font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:10px}
.sticky-copy i{color:var(--star)}
.sticky-actions{display:flex;align-items:center;gap:12px}
.sticky-close{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);color:var(--text-3);display:flex;align-items:center;justify-content:center;transition:all .2s}
.sticky-close:hover{color:var(--text);border-color:rgba(255,255,255,.28)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 22px}
}
@media (max-width:1023px){
  .nav-chips{display:none}
  .menu-btn{display:flex}
  .header-actions .btn{display:none}
  .section{padding:72px 0}
  .split{grid-template-columns:1fr;gap:32px}
  .page-hero{min-height:360px;padding:56px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 36px}
  .cta-form{width:100%}
  .cta-form input{flex:1;min-width:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  body{padding-bottom:86px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:28px}
  .page-hero{min-height:320px;padding:44px 0}
  .page-hero h1{font-size:clamp(28px,7vw,36px)}
  .who-grid{grid-template-columns:1fr}
  .timeline{padding-left:30px}
  .timeline::before{left:7px}
  .tl-dot{left:-31px;width:18px;height:18px}
  .tl-item{padding-bottom:34px}
  .sticky-copy{font-size:13px}
  .sticky-copy span{display:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-badges{gap:9px}
  .hbadge{padding:8px 14px}
  .hbadge b{font-size:16px}
  .cta-form{flex-direction:column}
  .cta-form input{width:100%}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-brand{grid-column:auto}
  .sticky-inner{gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --brand:#6D2BFF;
  --brand-2:#FF3D9A;
  --brand-3:#22E0C8;
  --star:#FFC64B;
  --grad-brand:linear-gradient(135deg,#6D2BFF 0%,#A22BFF 45%,#FF3D9A 100%);
  --grad-soft:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --bg:#0B0817;
  --surface:#14102A;
  --surface-2:#1B1638;
  --line:rgba(255,255,255,.08);
  --text:#F4F1FF;
  --text-2:#B7B0D6;
  --text-3:#7E77A3;
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#FB5D5D;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 4px 18px rgba(6,4,20,.5);
  --sh-2:0 18px 48px rgba(109,43,255,.22);
  --ease:cubic-bezier(.22,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.3px;line-height:1.28}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:rgba(255,255,255,.03)}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.24)}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,8,23,.74);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-stuck{
  background:rgba(11,8,23,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
  transition:height .25s var(--ease);
}
.site-header.is-stuck .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;height:36px;flex-shrink:0}
.logo-mark{
  position:relative;
  width:34px;height:34px;border-radius:12px;
  background:var(--grad-brand);
  box-shadow:0 8px 22px rgba(109,43,255,.4);
  flex-shrink:0;
}
.logo-mark::after{
  content:"";position:absolute;left:13px;top:11px;
  width:0;height:0;
  border-left:10px solid #fff;
  border-top:7px solid transparent;
  border-bottom:7px solid transparent;
}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text b{font-size:15px;font-weight:800;letter-spacing:.02em}
.logo-text span{font-size:11px;color:var(--text-3);letter-spacing:.24em}
.nav-chips{
  display:flex;
  gap:2px;
  padding:4px;
  margin:0 auto;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
}
.nav-chips a{
  padding:10px 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.nav-chips a:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav-chips a.is-active{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 8px 20px rgba(109,43,255,.36);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  display:grid;place-items:center;
  color:var(--text-2);
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.icon-btn:hover{color:var(--brand-3);border-color:rgba(34,224,200,.5);background:rgba(34,224,200,.08)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  padding:14px 28px;
  min-height:48px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 10px 26px rgba(109,43,255,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,61,154,.34);filter:brightness(1.08)}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.18);
  color:var(--text);
}
.btn-ghost:hover{border-color:transparent;background:var(--grad-brand);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;min-height:40px;font-size:14px}
.btn:active{transform:translateY(0) scale(.985)}
.burger{
  display:none;
  position:relative;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
}
.burger span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;
  background:var(--text);
  transition:transform .25s var(--ease),opacity .2s var(--ease);
}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:25px}
.burger.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.drawer{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
  border-top:1px solid transparent;
}
.drawer.is-open{max-height:460px;border-top-color:var(--line);background:rgba(11,8,23,.96)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;padding:18px 0}
.drawer-nav a{
  padding:13px 16px;
  border-radius:var(--r-md);
  font-size:15px;font-weight:600;
  color:var(--text-2);
  border:1px solid transparent;
}
.drawer-nav a.is-active{
  background:var(--grad-brand);
  color:#fff;
}
.drawer .btn{width:100%;margin-bottom:20px}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  min-height:clamp(380px,52vh,520px);
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--line);
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center 28%;
  transform:scale(1.02);
}
.page-hero .hero-mask{
  position:absolute;
  inset:0;
  background:
    radial-gradient(120% 100% at 12% 40%, rgba(11,8,23,.94) 0%, rgba(11,8,23,.62) 46%, rgba(11,8,23,.18) 100%),
    linear-gradient(180deg, rgba(109,43,255,.22) 0%, rgba(11,8,23,.86) 100%);
}
.hero-inner{position:relative;z-index:2;padding:72px 0}
.hero-copy{max-width:700px}
.crumbs{
  display:flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--text-3);
  margin-bottom:20px;
}
.crumbs a{transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--brand-3)}
.crumbs i{font-size:9px;opacity:.6}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);
  font-size:12px;font-weight:600;letter-spacing:.4px;
  color:var(--text-2);
}
.pill::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--brand-3);
  box-shadow:0 0 10px var(--brand-3);
}
.hero-copy h1{
  font-size:clamp(28px,3.8vw,48px);
  line-height:1.16;
  font-weight:900;
  letter-spacing:-.5px;
  margin:20px 0 0;
  text-shadow:0 2px 24px rgba(6,4,20,.7);
}
.hero-sub{
  font-size:clamp(15px,1.35vw,17px);
  color:var(--text-2);
  margin-top:18px;
  max-width:600px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.stat-chip{
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  border-radius:var(--r-md);
  padding:12px 18px;
  min-width:132px;
  backdrop-filter:blur(6px);
}
.stat-chip b{
  display:block;
  font-size:22px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  line-height:1.3;
  background:linear-gradient(135deg,#fff 0%,#22E0C8 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-chip span{font-size:12px;color:var(--text-3);font-weight:500}

/* ---------- Filter bar ---------- */
.filter-bar{
  position:relative;
  z-index:3;
  background:rgba(20,16,42,.62);
  border-bottom:1px solid var(--line);
}
.filter-inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding:16px 24px;
  overflow-x:auto;
  scrollbar-width:none;
}
.filter-inner::-webkit-scrollbar{display:none}
.filter-chip{
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:13px;font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:.22s var(--ease);
}
.filter-chip:hover{color:var(--text);border-color:rgba(255,255,255,.2)}
.filter-chip.is-active{
  background:var(--grad-brand);
  border-color:transparent;
  color:#fff;
  box-shadow:0 8px 20px rgba(109,43,255,.3);
}

/* ---------- Intro ---------- */
.intro-note{padding:64px 0 0}
.intro-note .eyebrow{
  display:inline-block;
  font-size:12.5px;font-weight:700;letter-spacing:.18em;
  color:var(--brand-3);
  margin-bottom:14px;
}
.intro-note p{
  max-width:72ch;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- Zigzag ---------- */
.zigzag{padding:56px 0 0}
.zrow{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:48px 0;
  border-bottom:1px solid var(--line);
}
.zrow:last-child{border-bottom:0}
.zrow.reverse .zmedia{order:2}
.zbody{order:1}
.zrow.reverse .zbody{order:1}
.zmedia{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  aspect-ratio:16/10;
  background:var(--surface-2);
}
.zmedia img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .55s var(--ease);
}
.zrow:hover .zmedia img{transform:scale(1.045)}
.zmedia::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,8,23,0) 40%,rgba(11,8,23,.55) 100%);
}
.znum{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:6px 13px;
  border-radius:var(--r-pill);
  background:rgba(11,8,23,.72);
  border:1px solid var(--line);
  font-size:12px;font-weight:800;letter-spacing:.14em;
  color:var(--brand-3);
}
.zbody h2{
  font-size:clamp(21px,2.3vw,28px);
  margin-bottom:16px;
}
.zbody h2 span{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.zbody p{
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.zlist{margin-top:22px}
.zlist li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:11px 0;
  font-size:14px;
  color:var(--text-2);
  border-bottom:1px dashed rgba(255,255,255,.07);
}
.zlist li:last-child{border-bottom:0}
.zlist li::before{
  content:"";
  flex-shrink:0;
  width:6px;height:6px;border-radius:50%;
  margin-top:9px;
  background:var(--grad-brand);
}
.zmeta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  font-size:12px;font-weight:600;
  color:var(--text-2);
}
.tag i{color:var(--star);font-size:11px}

/* ---------- FAQ ---------- */
.faq{padding:88px 0 64px}
.faq-head{text-align:center;margin-bottom:36px}
.faq-head h2{font-size:clamp(22px,2.6vw,32px)}
.faq-head p{color:var(--text-2);font-size:14.5px;margin-top:12px}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  position:relative;
  border-bottom:1px solid var(--line);
  padding-left:20px;
}
.faq-item::before{
  content:"";
  position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;
  background:var(--grad-brand);
  opacity:0;
  transform:scaleY(.4);
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.faq-item.is-open::before{opacity:1;transform:scaleY(1)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;
  min-height:56px;
  padding:16px 0;
  font-size:16px;font-weight:700;
  color:var(--text);
}
.faq-q .ico{
  flex-shrink:0;
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  font-size:12px;color:var(--text-2);
  transition:transform .28s var(--ease),background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
}
.faq-item.is-open .ico{
  transform:rotate(180deg);
  background:var(--grad-brand);
  border-color:transparent;
  color:#fff;
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{
  padding:0 0 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
  max-width:70ch;
}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 96px}
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  padding:52px;
  display:grid;
  grid-template-columns:1.25fr 1fr;
  gap:36px;
  align-items:center;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.9;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(109,43,255,.92) 0%,rgba(255,61,154,.82) 100%);
  opacity:.86;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  color:#fff;
}
.cta-band p{
  color:rgba(255,255,255,.86);
  font-size:15px;
  margin-top:12px;
  max-width:52ch;
}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1;
  height:48px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.32);
  background:rgba(11,8,23,.42);
  padding:0 18px;
  color:#fff;
  font-size:14px;
  font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-form input::placeholder{color:rgba(255,255,255,.6)}
.sub-form input:focus{
  outline:none;
  border-color:var(--brand-3);
  box-shadow:0 0 0 3px rgba(34,224,200,.28);
}
.sub-form button{
  border-radius:var(--r-pill);
  padding:0 26px;
  height:48px;
  font-size:15px;font-weight:700;
  background:#0B0817;
  color:#fff;
  border:1px solid rgba(255,255,255,.24);
  transition:.22s var(--ease);
}
.sub-form button:hover{background:#fff;color:#0B0817}
.form-note{font-size:12.5px;color:rgba(255,255,255,.78);margin-top:12px}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(20,16,42,.6);
  padding:64px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand p{
  font-size:14px;
  color:var(--text-2);
  margin:16px 0 18px;
  max-width:36ch;
}
.socials{display:flex;gap:10px}
.socials a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  display:grid;place-items:center;
  color:var(--text-2);
  font-size:14px;
  transition:.22s var(--ease);
}
.socials a:hover{color:#fff;background:var(--grad-brand);border-color:transparent;transform:translateY(-2px)}
.footer-col h4{
  font-size:14px;font-weight:800;letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px}
.footer-col li a{
  display:inline-block;
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col li a:hover{color:var(--brand-3);transform:translateX(2px)}
.footer-col p{font-size:13.5px;color:var(--text-2)}
.footer-sub{display:flex;gap:8px;margin-top:12px}
.footer-sub input{
  flex:1;
  height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(11,8,23,.6);
  padding:0 16px;
  color:var(--text);
  font-size:13.5px;
  font-family:inherit;
}
.footer-sub input:focus{outline:none;border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(34,224,200,.16)}
.footer-sub button{
  border-radius:var(--r-pill);
  padding:0 20px;
  height:44px;
  font-size:14px;font-weight:700;
  background:var(--grad-brand);
  color:#fff;
  transition:.22s var(--ease);
}
.footer-sub button:hover{filter:brightness(1.08)}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--text-3);
}
.tech{display:flex;gap:20px;flex-wrap:wrap}
.tech span{display:inline-flex;align-items:center;gap:7px}
.tech i{color:var(--brand-3)}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .zrow{gap:36px}
}
@media (max-width:1023px){
  .nav-chips{display:none}
  .header-actions .btn{display:none}
  .burger{display:block}
  .site-header .header-inner{justify-content:space-between}
  .zigzag{padding:40px 0 0}
  .zrow{grid-template-columns:1fr;gap:24px;padding:40px 0}
  .zrow.reverse .zmedia{order:0}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-hero{min-height:clamp(340px,60vh,460px)}
  .hero-inner{padding:56px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .filter-inner{padding:14px 18px}
  .faq{padding:64px 0 40px}
  .cta-section{padding:0 0 64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .sub-form{flex-direction:column}
  .sub-form button{width:100%}
  .hero-stats{gap:10px}
  .stat-chip{flex:1 1 46%;min-width:0;padding:10px 14px}
  .page-hero .hero-bg{background-position:center 20%}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .filter-inner{padding:12px 16px}
  .logo-text b{font-size:14px}
  .logo-text span{font-size:10px}
  .hero-copy h1{font-size:clamp(26px,7vw,32px)}
  .faq-item{padding-left:14px}
  .cta-band{padding:32px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}