/* roulang page: index */
:root{
  --bg-0:#070B14;
  --bg-1:#0C1322;
  --bg-2:#121B2E;
  --glass:rgba(18,27,46,.62);
  --glass-brd:rgba(45,225,255,.14);
  --glass-brd-hover:rgba(45,225,255,.35);
  --c-primary:#2DE1FF;
  --c-primary-deep:#0E9BBF;
  --c-accent:#C8FF3D;
  --c-cta:#FF6B35;
  --t-1:#EAF2FF;
  --t-2:#94A6C4;
  --t-3:#5C6E8C;
  --line:rgba(255,255,255,.08);
  --r-card:16px;
  --r-vcard:20px;
  --r-pill:999px;
  --r-input:12px;
  --sh-card:0 8px 32px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(45,225,255,.35) inset, 0 10px 30px rgba(45,225,255,.28);
  --maxw:1240px;
  --gutter:24px;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(45,225,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(45,225,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--c-primary);}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.02em;}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);position:relative;z-index:2;}
.section{padding:88px 0;position:relative;z-index:2;}
.section--tight{padding:64px 0;}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-head__title{font-size:30px;}
.sec-head__sub{color:var(--t-2);font-size:14px;margin-top:10px;max-width:640px;}
.sec-head__link{
  flex:none;font-size:14px;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:8px;position:relative;
}
.sec-head__link::after{
  content:"";position:absolute;left:0;bottom:-4px;height:1px;width:0;background:var(--c-primary);transition:width .28s ease;
}
.sec-head__link:hover::after{width:100%;}
@media (max-width:640px){
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .sec-head__title{font-size:24px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-accent);font-weight:600;margin-bottom:16px;
}
.eyebrow i{font-size:10px;}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:var(--r-pill);
  padding:13px 26px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease,filter .22s ease;
  white-space:nowrap;line-height:1.2;
}
.btn--primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#04121a;
  box-shadow:var(--sh-glow);
}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.08);color:#04121a;}
.btn--primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(45,225,255,.3) inset,0 4px 14px rgba(45,225,255,.2);}
.btn--cta{
  background:linear-gradient(135deg,var(--c-cta),#FF9A5C);
  color:#1b0a02;
  box-shadow:0 0 0 1px rgba(255,107,53,.35) inset,0 10px 30px rgba(255,107,53,.26);
}
.btn--cta:hover{transform:translateY(-2px);filter:brightness(1.06);color:#1b0a02;}
.btn--ghost{
  background:rgba(45,225,255,.06);
  border-color:rgba(45,225,255,.32);
  color:var(--t-1);
}
.btn--ghost:hover{border-color:var(--glass-brd-hover);background:rgba(45,225,255,.12);color:var(--c-primary);transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:13.5px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(45,225,255,.12);color:var(--c-primary);
  border:1px solid rgba(45,225,255,.24);
}
.badge--live{background:rgba(255,107,53,.16);color:#FF9A5C;border-color:rgba(255,107,53,.34);}
.badge--live .dot{
  width:6px;height:6px;border-radius:50%;background:var(--c-cta);
  box-shadow:0 0 0 0 rgba(255,107,53,.7);animation:pulse 1.9s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,107,53,.6);}
  70%{box-shadow:0 0 0 8px rgba(255,107,53,0);}
  100%{box-shadow:0 0 0 0 rgba(255,107,53,0);}
}
.chip{
  display:inline-block;font-size:12px;letter-spacing:.04em;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);color:var(--t-2);border:1px solid var(--line);
}
/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-stuck{
  background:rgba(7,11,20,.94);
  box-shadow:0 12px 34px rgba(0,0,0,.5),0 1px 0 rgba(45,225,255,.22);
}
.brand-row{
  display:flex;align-items:center;gap:20px;
  padding:14px 0;border-bottom:1px solid var(--line);
}
.logo{display:inline-flex;align-items:center;gap:11px;flex:none;}
.logo__mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(140deg,var(--c-primary),#0B6E8C 65%,var(--c-accent));
  display:grid;place-items:center;
  box-shadow:0 0 0 1px rgba(45,225,255,.4) inset,0 8px 20px rgba(45,225,255,.24);
}
.logo__mark svg{width:21px;height:21px;}
.logo__word{display:flex;flex-direction:column;line-height:1.15;}
.logo__word b{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--t-1);}
.logo__word span{font-size:10.5px;letter-spacing:.22em;color:var(--t-3);text-transform:uppercase;}
.nav-search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
}
.nav-search i{position:absolute;left:15px;color:var(--t-3);font-size:14px;pointer-events:none;}
.nav-search input{
  width:100%;height:42px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  color:var(--t-1);padding:0 16px 0 40px;
  transition:border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.nav-search input::placeholder{color:var(--t-3);}
.nav-search input:focus{
  outline:none;border-color:rgba(45,225,255,.45);
  background:rgba(45,225,255,.07);
  box-shadow:0 0 0 4px rgba(45,225,255,.1);
}
.hot-words{display:flex;align-items:center;gap:10px;flex:none;}
.hot-words__label{font-size:12px;color:var(--t-3);letter-spacing:.08em;}
.hot-words a{
  font-size:12.5px;color:var(--t-2);padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.045);border:1px solid transparent;
}
.hot-words a:hover{color:var(--c-primary);border-color:rgba(45,225,255,.3);background:rgba(45,225,255,.08);}
.brand-row__cta{flex:none;margin-left:auto;}
.nav-channels{display:flex;align-items:center;gap:6px;padding:6px 0;}
.nav-channels a{
  position:relative;padding:12px 16px;font-size:14.5px;font-weight:500;color:var(--t-2);
  border-radius:10px;transition:color .22s ease,background .22s ease;
}
.nav-channels a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
  box-shadow:0 0 12px rgba(45,225,255,.8);
}
.nav-channels a:hover{color:var(--t-1);background:rgba(255,255,255,.04);}
.nav-channels a.is-active{color:var(--t-1);font-weight:700;}
.nav-channels a.is-active::after{transform:scaleX(1);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t-1);
  cursor:pointer;align-items:center;justify-content:center;flex:none;
}
.nav-toggle:hover{border-color:var(--glass-brd-hover);color:var(--c-primary);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(9,14,24,.98);
  backdrop-filter:blur(18px);
  padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .nav-search{max-width:none;margin-bottom:14px;}
.mobile-links{display:grid;gap:6px;margin-bottom:16px;}
.mobile-links a{
  padding:13px 16px;border-radius:12px;font-size:15px;color:var(--t-2);
  background:rgba(255,255,255,.035);border:1px solid transparent;
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-links a:hover,.mobile-links a.is-active{color:var(--c-primary);border-color:rgba(45,225,255,.28);background:rgba(45,225,255,.08);}
.mobile-hot{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
@media (max-width:1023px){
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .hot-words{display:none;}
  .brand-row__cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-row{border-bottom:none;padding:12px 0;gap:14px;}
}
/* ============ Hero ============ */
.hero{
  position:relative;
  padding:76px 0 84px;
  background:
    linear-gradient(180deg,rgba(7,11,20,.72) 0%,rgba(7,11,20,.92) 62%,var(--bg-0) 100%),
    radial-gradient(circle at 78% 26%,rgba(45,225,255,.16),transparent 46%),
    radial-gradient(circle at 12% 78%,rgba(200,255,61,.07),transparent 44%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(45,225,255,.5),transparent);
}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(32px,4.2vw,50px);
  line-height:1.15;
  margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--c-primary),var(--c-accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{color:var(--t-2);font-size:17px;line-height:1.85;max-width:560px;margin-bottom:30px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero__metrics{display:flex;gap:38px;flex-wrap:wrap;}
.metric__v{font-size:26px;font-weight:800;color:var(--t-1);font-family:var(--mono);}
.metric__v span{font-size:13px;color:var(--c-accent);margin-left:3px;font-family:inherit;}
.metric__k{font-size:13px;color:var(--t-3);letter-spacing:.06em;margin-top:4px;}
.hero__stage{position:relative;}
.vcard{
  position:relative;border-radius:var(--r-vcard);overflow:hidden;
  aspect-ratio:9/16;max-width:340px;margin-left:auto;
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-card),0 0 0 1px rgba(255,255,255,.04) inset;
  background:var(--bg-2);
}
.vcard img{width:100%;height:100%;object-fit:cover;}
.vcard__shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.15) 0%,rgba(7,11,20,.05) 42%,rgba(7,11,20,.88) 100%);
}
.vcard__top{position:absolute;top:14px;left:14px;right:14px;display:flex;justify-content:space-between;align-items:center;gap:10px;}
.vcard__play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  background:rgba(45,225,255,.9);
  display:grid;place-items:center;color:#04121a;font-size:22px;
  box-shadow:0 0 0 10px rgba(45,225,255,.14),0 12px 32px rgba(45,225,255,.4);
  transition:transform .28s ease,box-shadow .28s ease;
}
.vcard:hover .vcard__play{transform:translate(-50%,-50%) scale(1.08);box-shadow:0 0 0 14px rgba(45,225,255,.18),0 14px 38px rgba(45,225,255,.5);}
.vcard__bottom{position:absolute;left:16px;right:16px;bottom:16px;}
.vcard__title{font-size:16px;font-weight:700;margin-bottom:12px;line-height:1.45;}
.heat{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--t-2);}
.heat__bar{flex:1;height:6px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden;}
.heat__bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--c-accent),var(--c-primary));width:86%;}
@media (max-width:1023px){
  .hero__grid{grid-template-columns:1fr;gap:44px;}
  .vcard{margin:0 auto;max-width:290px;}
}
@media (max-width:768px){
  .hero{padding:48px 0 60px;}
  .hero__lead{font-size:15.5px;}
  .hero__metrics{gap:26px;}
  .hero__actions .btn{flex:1 1 auto;}
}
/* ============ 片段横滑 ============ */
.reel-strip{
  display:flex;gap:20px;
  overflow-x:auto;padding:6px 4px 26px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.reel-strip::-webkit-scrollbar{height:6px;}
.reel-strip::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:99px;}
.reel-strip::-webkit-scrollbar-thumb{background:rgba(45,225,255,.35);border-radius:99px;}
.reel{
  flex:0 0 calc((100% - 60px)/4);
  scroll-snap-align:start;
  border-radius:var(--r-vcard);overflow:hidden;position:relative;
  aspect-ratio:9/16;
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  transition:transform .3s ease,border-color .3s ease;
}
.reel:hover{transform:translateY(-6px);border-color:var(--glass-brd-hover);}
.reel img{width:100%;height:100%;object-fit:cover;transition:transform .34s ease;}
.reel:hover img{transform:scale(1.04);}
.reel__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,.3) 0%,rgba(7,11,20,0) 34%,rgba(7,11,20,.9) 100%);}
.reel__badge{position:absolute;top:12px;left:12px;}
.reel__dur{
  position:absolute;top:12px;right:12px;
  font-size:11.5px;font-family:var(--mono);color:var(--t-1);
  background:rgba(7,11,20,.62);border:1px solid var(--line);
  padding:3px 9px;border-radius:var(--r-pill);
}
.reel__body{position:absolute;left:14px;right:14px;bottom:14px;}
.reel__title{
  font-size:14.5px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.reel__foot{display:flex;align-items:center;justify-content:space-between;font-size:11.5px;color:var(--t-2);}
.reel__foot b{color:var(--c-accent);font-family:var(--mono);font-weight:700;}
@media (max-width:1199px){.reel{flex:0 0 calc((100% - 40px)/3);}}
@media (max-width:1023px){.reel{flex:0 0 calc((100% - 20px)/2.2);}}
@media (max-width:639px){.reel{flex:0 0 68%;}}
/* ============ 数据条 ============ */
.databar{
  border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-brd);
  padding:34px 30px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  box-shadow:var(--sh-card);
}
.databar__item{position:relative;padding-left:20px;}
.databar__item::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary),transparent);
}
.databar__v{font-family:var(--mono);font-size:28px;font-weight:800;color:var(--t-1);}
.databar__k{font-size:13px;color:var(--t-2);margin-top:6px;}
.databar__d{font-size:12px;color:var(--t-3);margin-top:8px;}
@media (max-width:1023px){.databar{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.databar{grid-template-columns:1fr;padding:26px 20px;gap:20px;}}
/* ============ 编号清单 ============ */
.rank-list{display:grid;gap:16px;}
.rank-item{
  display:grid;grid-template-columns:76px 1fr 224px;gap:24px;align-items:center;
  padding:22px 24px;border-radius:var(--r-card);
  background:rgba(18,27,46,.5);
  border:1px solid var(--line);
  transition:border-color .26s ease,transform .26s ease,background .26s ease;
}
.rank-item:hover{border-color:var(--glass-brd-hover);transform:translateX(5px);background:rgba(18,27,46,.74);}
.rank-item__no{
  font-family:var(--mono);font-size:30px;font-weight:800;color:transparent;
  -webkit-text-stroke:1.4px var(--c-accent);letter-spacing:.02em;text-align:center;
}
.rank-item__title{font-size:19px;font-weight:700;margin-bottom:8px;}
.rank-item__desc{font-size:14px;color:var(--t-2);margin-bottom:14px;}
.rank-item__tags{display:flex;flex-wrap:wrap;gap:8px;}
.rank-item__thumb{
  border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2);border:1px solid var(--line);
}
.rank-item__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.rank-item:hover .rank-item__thumb img{transform:scale(1.04);}
@media (max-width:1023px){
  .rank-item{grid-template-columns:60px 1fr;}
  .rank-item__thumb{grid-column:1 / -1;margin-top:4px;}
}
@media (max-width:560px){
  .rank-item{padding:18px 16px;gap:16px;}
  .rank-item__no{font-size:24px;}
  .rank-item__title{font-size:17px;}
}
/* ============ 口碑条 ============ */
.quotes{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 24px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.quotes::-webkit-scrollbar{height:6px;}
.quotes::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:99px;}
.quotes::-webkit-scrollbar-thumb{background:rgba(45,225,255,.35);border-radius:99px;}
.quote{
  flex:0 0 330px;scroll-snap-align:start;
  padding:24px;border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-brd);
  transition:border-color .26s ease,transform .26s ease;
}
.quote:hover{border-color:var(--glass-brd-hover);transform:translateY(-4px);}
.quote__head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.quote__avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  background:linear-gradient(140deg,var(--c-primary),#0B6E8C);
  display:grid;place-items:center;font-weight:800;color:#04121a;font-size:15px;
}
.quote__name{font-size:14.5px;font-weight:700;}
.quote__role{font-size:12px;color:var(--t-3);}
.quote__stars{color:var(--c-accent);font-size:12px;letter-spacing:2px;margin-bottom:10px;}
.quote__text{font-size:14.5px;color:var(--t-2);line-height:1.8;}
@media (max-width:560px){.quote{flex:0 0 84%;}}
/* ============ CTA ============ */
.cta-band{
  border-radius:20px;
  padding:40px 40px;
  background:
    linear-gradient(120deg,rgba(45,225,255,.1),rgba(200,255,61,.05) 60%,rgba(255,107,53,.08)),
    var(--glass);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-brd);
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  box-shadow:var(--sh-card);
}
.cta-band h2{font-size:28px;margin-bottom:14px;}
.cta-band p{color:var(--t-2);font-size:15px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;height:50px;border-radius:var(--r-input);
  background:rgba(7,11,20,.6);border:1px solid var(--line);
  color:var(--t-1);padding:0 16px;transition:border-color .22s ease,box-shadow .22s ease;
}
.cta-form input::placeholder{color:var(--t-3);}
.cta-form input:focus{outline:none;border-color:rgba(45,225,255,.5);box-shadow:0 0 0 4px rgba(45,225,255,.12);}
.cta-note{font-size:12.5px;color:var(--t-3);margin-top:14px;}
@media (max-width:900px){.cta-band{grid-template-columns:1fr;padding:30px 22px;gap:26px;}}
/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-card{
  display:grid;grid-template-columns:150px 1fr;gap:18px;
  padding:18px;border-radius:var(--r-card);
  background:rgba(18,27,46,.5);
  border:1px solid var(--line);
  transition:border-color .26s ease,transform .26s ease,background .26s ease,box-shadow .26s ease;
}
.news-card:hover{border-color:var(--glass-brd-hover);transform:translateY(-4px);background:rgba(18,27,46,.76);box-shadow:var(--sh-card);}
.news-card__thumb{border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--bg-2);border:1px solid var(--line);}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.news-card:hover .news-card__thumb img{transform:scale(1.05);}
.news-card__meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:9px;font-size:12px;color:var(--t-3);}
.news-card__title{
  font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:9px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-card__title{color:var(--c-primary);}
.news-card__desc{
  font-size:13.5px;color:var(--t-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  grid-column:1 / -1;
  text-align:center;padding:56px 24px;border-radius:var(--r-card);
  border:1px dashed rgba(45,225,255,.24);background:rgba(18,27,46,.4);
}
.empty-state i{font-size:30px;color:var(--t-3);margin-bottom:16px;display:block;}
.empty-state p{color:var(--t-2);margin-bottom:18px;}
@media (max-width:1023px){.news-grid{grid-template-columns:1fr;}}
@media (max-width:560px){
  .news-card{grid-template-columns:1fr;padding:16px;}
  .news-card__thumb{aspect-ratio:16/9;}
}
/* ============ FAQ ============ */
.faq{display:grid;gap:12px;}
.faq details{
  border-radius:var(--r-card);
  background:rgba(18,27,46,.5);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .26s ease,background .26s ease;
}
.faq details:hover{border-color:var(--glass-brd-hover);}
.faq details[open]{background:rgba(18,27,46,.78);border-color:var(--glass-brd-hover);}
.faq summary{
  cursor:pointer;list-style:none;
  padding:19px 56px 19px 22px;position:relative;
  font-size:16px;font-weight:600;color:var(--t-1);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--c-primary);transition:transform .22s ease;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(180deg);}
.faq__body{padding:0 22px 22px;color:var(--t-2);font-size:14.5px;line-height:1.85;animation:fadeUp .22s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid rgba(45,225,255,.2);
  background:linear-gradient(180deg,rgba(9,14,24,.4),var(--bg-0));
  padding:70px 0 30px;
  position:relative;z-index:2;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
.footer-brand__desc{color:var(--t-2);font-size:14px;margin-top:18px;max-width:340px;line-height:1.8;}
.footer-brand__kw{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--t-1);margin-bottom:18px;text-transform:uppercase;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--t-2);}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:24px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--t-3);
}
.footer-bottom__links{display:flex;flex-wrap:wrap;gap:20px;}
.footer-bottom__links a{color:var(--t-3);}
.footer-bottom__links a:hover{color:var(--c-primary);}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:26px;width:46px;height:46px;border-radius:14px;
  background:rgba(18,27,46,.86);border:1px solid var(--glass-brd);
  color:var(--c-primary);display:grid;place-items:center;cursor:pointer;
  backdrop-filter:blur(12px);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,border-color .28s ease;
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:var(--glass-brd-hover);color:var(--t-1);}
@media (max-width:560px){.to-top{right:14px;bottom:16px;width:42px;height:42px;}}
/* Foundation 覆盖 */
.grid-container{max-width:var(--maxw);padding-left:var(--gutter);padding-right:var(--gutter);}
.grid-x>.cell{padding-left:10px;padding-right:10px;}

/* roulang page: article */
:root{
  --bg-0:#070B14;
  --bg-1:#0C1322;
  --bg-2:#121B2E;
  --glass:rgba(18,27,46,.62);
  --glass-border:rgba(45,225,255,.14);
  --c-primary:#2DE1FF;
  --c-primary-deep:#0E9BBF;
  --c-accent:#C8FF3D;
  --c-cta:#FF6B35;
  --t-1:#EAF2FF;
  --t-2:#94A6C4;
  --t-3:#5C6E8C;
  --line:rgba(255,255,255,.08);
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --r-input:12px;
  --shadow-card:0 8px 32px rgba(0,0,0,.45);
  --glow-cta:0 0 0 1px rgba(255,107,53,.45) inset,0 10px 30px rgba(255,107,53,.26);
  --glow-primary:0 0 0 1px rgba(45,225,255,.4) inset,0 10px 30px rgba(45,225,255,.28);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--t-1);
  font-family:var(--font-sans);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,11,20,.88);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(45,225,255,.5),transparent);opacity:.55;
}
.site-header.is-stuck{background:rgba(7,11,20,.96);box-shadow:0 12px 34px rgba(0,0,0,.5)}
.header-bar{display:flex;align-items:center;gap:18px;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  box-shadow:0 6px 20px rgba(45,225,255,.28);
}
.logo__mark svg{width:22px;height:22px}
.logo__word{display:flex;flex-direction:column;line-height:1.12}
.logo__word b{font-size:17px;letter-spacing:.01em;color:var(--t-1)}
.logo__word span{font-size:11px;color:var(--t-3);letter-spacing:.16em;text-transform:uppercase}
.header-search{
  position:relative;flex:1 1 auto;max-width:320px;display:flex;align-items:center;
  background:rgba(18,27,46,.72);border:1px solid var(--glass-border);border-radius:var(--r-pill);
  padding:0 16px;height:40px;transition:border-color .2s ease,box-shadow .2s ease;
}
.header-search:focus-within{border-color:rgba(45,225,255,.45);box-shadow:0 0 0 3px rgba(45,225,255,.12)}
.header-search i{color:var(--t-3);font-size:13px;margin-right:9px}
.header-search input{
  flex:1;background:none;border:0;outline:none;font-size:14px;color:var(--t-1);min-width:0;
}
.header-search input::placeholder{color:var(--t-3)}
.hot-words{display:flex;align-items:center;gap:6px;flex-wrap:wrap;min-width:0}
.hot-words__label{
  font-size:11px;letter-spacing:.12em;color:var(--c-cta);
  border:1px solid rgba(255,107,53,.4);border-radius:var(--r-pill);
  padding:2px 9px;background:rgba(255,107,53,.1);
}
.hot-words a{
  font-size:13px;color:var(--t-2);padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid transparent;transition:.2s ease;white-space:nowrap;
}
.hot-words a:hover{color:var(--c-primary);border-color:rgba(45,225,255,.32);background:rgba(45,225,255,.07)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;
  padding:10px 20px;border:1px solid transparent;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0);filter:brightness(.96)}
.btn-cta{
  background:linear-gradient(135deg,#FF7A48,var(--c-cta));color:#1A0A03;
  box-shadow:var(--glow-cta);
}
.btn-cta:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(255,107,53,.6) inset,0 14px 36px rgba(255,107,53,.36)}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),#12B8DE);color:#04121A;box-shadow:var(--glow-primary)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(45,225,255,.6) inset,0 14px 36px rgba(45,225,255,.36)}
.btn-ghost{border-color:rgba(45,225,255,.28);color:var(--c-primary);background:rgba(45,225,255,.05)}
.btn-ghost:hover{background:rgba(45,225,255,.13);border-color:rgba(45,225,255,.5)}
.btn-line{border-color:var(--line);color:var(--t-2);background:rgba(255,255,255,.02)}
.btn-line:hover{color:var(--t-1);border-color:rgba(255,255,255,.24)}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:#FFE1D5;
  box-shadow:0 0 0 4px rgba(255,255,255,.22);animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.header-cta{margin-left:auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;color:var(--t-1);
  border:1px solid var(--glass-border);background:rgba(18,27,46,.7);place-items:center;
}
.header-channels{
  display:flex;align-items:center;gap:16px;border-top:1px solid var(--line);
  padding:2px 0 4px;max-height:70px;overflow:hidden;
  transition:max-height .3s ease,opacity .25s ease,padding .3s ease;
}
.site-header.is-stuck .header-channels{max-height:0;opacity:0;padding:0;border-top-color:transparent}
.channel-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.channel-link{
  position:relative;padding:10px 14px;font-size:14.5px;color:var(--t-2);border-radius:10px;
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.channel-link:hover{color:var(--t-1);background:rgba(255,255,255,.03)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--t-1);font-weight:600}
.channel-link.is-active::after{transform:scaleX(1)}
.trend-entry{
  margin-left:auto;font-size:13px;color:var(--c-accent);display:inline-flex;align-items:center;gap:6px;
  border:1px dashed rgba(200,255,61,.35);border-radius:var(--r-pill);padding:5px 14px;
}
.trend-entry:hover{border-color:var(--c-accent);background:rgba(200,255,61,.08)}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.03em;
  padding:4px 11px;border-radius:var(--r-pill);color:var(--t-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.chip--accent{color:var(--c-accent);border-color:rgba(200,255,61,.32);background:rgba(200,255,61,.08)}
.chip--primary{color:var(--c-primary);border-color:rgba(45,225,255,.3);background:rgba(45,225,255,.08)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);z-index:200;
  background:var(--bg-1);border-left:1px solid var(--glass-border);
  transform:translateX(102%);transition:transform .3s ease;
  padding:22px;overflow-y:auto;box-shadow:-20px 0 60px rgba(0,0,0,.6);
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.mobile-drawer__title{font-size:15px;color:var(--t-2);letter-spacing:.12em}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);color:var(--t-1)}
.drawer-search{
  display:flex;align-items:center;gap:9px;height:42px;padding:0 14px;margin-bottom:20px;
  background:rgba(18,27,46,.75);border:1px solid var(--glass-border);border-radius:var(--r-pill);
}
.drawer-search input{flex:1;background:none;border:0;outline:none;font-size:14px;min-width:0}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;color:var(--t-1);
  border:1px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.is-active{
  background:rgba(45,225,255,.08);border-color:rgba(45,225,255,.28);color:var(--c-primary);
}
.drawer-sub{font-size:12px;color:var(--t-3);letter-spacing:.12em;margin:0 0 10px}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.backdrop{
  position:fixed;inset:0;background:rgba(3,6,12,.68);z-index:190;opacity:0;pointer-events:none;
  transition:opacity .3s ease;backdrop-filter:blur(3px);
}
.backdrop.is-open{opacity:1;pointer-events:auto}

/* ============ 文章头部 ============ */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.article-hero__bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.32;
}
.article-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(60% 90% at 12% 6%,rgba(45,225,255,.24),transparent 62%),
    linear-gradient(180deg,rgba(7,11,20,.62),rgba(7,11,20,.97));
}
.article-hero__inner{position:relative;padding:42px 0 46px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);flex-wrap:wrap;margin-bottom:20px}
.crumbs a{color:var(--t-2)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs__sep{color:var(--t-3);opacity:.6}
.crumbs__current{color:var(--t-3);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(28px,4.4vw,48px);line-height:1.16;max-width:20em;letter-spacing:-.02em;
}
.article-hero__lead{
  margin-top:16px;font-size:16px;color:var(--t-2);max-width:56ch;
}
.article-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:24px;
}
.article-meta .chip i{font-size:11px;color:var(--c-primary)}

/* ============ 正文布局 ============ */
.page-body{padding:56px 0 8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}
.article-main{max-width:820px;min-width:0}

.article-body{font-size:16.5px;line-height:1.85;color:#DCE7FA}
.article-body>*+*{margin-top:1.1em}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-size:28px;margin:2.1em 0 .85em;padding-left:16px;color:var(--t-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
}
.article-body h3{font-size:21px;margin:1.7em 0 .7em;color:var(--t-1)}
.article-body h4{font-size:17px;margin:1.4em 0 .6em;color:var(--t-1)}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(45,225,255,.35)}
.article-body a:hover{border-bottom-color:var(--c-primary);color:#7EEBFF}
.article-body strong{color:#FFFFFF;font-weight:700}
.article-body em{color:var(--c-accent);font-style:italic}
.article-body ul,.article-body ol{padding-left:0;margin:0 0 1.2em}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:.6em;color:#D3E0F4;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 12px rgba(45,225,255,.6);
}
.article-body ol{counter-reset:artlist}
.article-body ol li{counter-increment:artlist}
.article-body ol li::before{
  content:counter(artlist);position:absolute;left:0;top:.15em;
  font-family:var(--font-num);font-size:13px;color:var(--c-accent);
  border:1px solid rgba(200,255,61,.35);border-radius:6px;
  min-width:20px;text-align:center;line-height:1.5;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-radius:var(--r-card);
  background:linear-gradient(90deg,rgba(45,225,255,.1),rgba(18,27,46,.5));
  border-left:3px solid var(--c-primary);color:#CFE1F7;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:1.4em 0;border:1px solid var(--line)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--t-3);text-align:center;margin-top:10px}
.article-body pre{
  margin:1.4em 0;padding:18px 20px;border-radius:14px;overflow-x:auto;
  background:rgba(7,11,20,.85);border:1px solid var(--glass-border);
  font-family:var(--font-num);font-size:14px;line-height:1.7;color:#BFE9F7;
}
.article-body code{
  font-family:var(--font-num);font-size:14px;background:rgba(45,225,255,.1);
  border:1px solid rgba(45,225,255,.18);border-radius:6px;padding:1px 6px;color:#9FE9FA;
}
.article-body pre code{background:none;border:0;padding:0;color:inherit}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:rgba(18,27,46,.85);color:var(--t-1);font-weight:600}
.article-body td{color:#C9D8EE;font-variant-numeric:tabular-nums}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0}

.article-empty{
  padding:48px 32px;border-radius:var(--r-lg);text-align:center;
  background:var(--glass);border:1px solid var(--glass-border);
}
.article-empty__icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;display:grid;place-items:center;
  background:rgba(45,225,255,.1);border:1px solid rgba(45,225,255,.3);color:var(--c-primary);font-size:22px;
}
.article-empty h2{font-size:22px;margin-bottom:10px}
.article-empty p{color:var(--t-2);margin-bottom:22px}

/* 标签行 */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.tag-row__label{font-size:12px;letter-spacing:.14em;color:var(--t-3)}
.tag{
  font-size:13px;color:var(--t-2);padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);transition:.2s ease;
}
.tag:hover{color:var(--c-primary);border-color:rgba(45,225,255,.4);background:rgba(45,225,255,.08)}

/* 上一篇 / 下一篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.post-nav__item{
  display:block;padding:18px 20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);transition:.25s ease;
}
.post-nav__item:hover{border-color:rgba(45,225,255,.35);transform:translateY(-2px)}
.post-nav__item--next{text-align:right}
.post-nav__label{
  display:block;font-size:12px;letter-spacing:.14em;color:var(--c-accent);margin-bottom:6px;
}
.post-nav__title{font-size:15px;color:var(--t-1);font-weight:600}

/* 侧栏 */
.aside-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:120px}
.aside-card{
  padding:22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.aside-card__title{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card__title i{color:var(--c-primary);font-size:13px}
.aside-list{display:flex;flex-direction:column;gap:2px}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--t-2);border:1px solid transparent;
}
.aside-list a:hover{color:var(--c-primary);background:rgba(45,225,255,.07);border-color:rgba(45,225,255,.22)}
.aside-list a i{font-size:11px;opacity:.7}
.aside-sub{font-size:13px;color:var(--t-3);line-height:1.7;margin-bottom:14px}
.aside-form{display:flex;flex-direction:column;gap:10px}
.aside-form input{
  height:42px;padding:0 14px;border-radius:var(--r-input);background:rgba(7,11,20,.7);
  border:1px solid var(--line);outline:none;font-size:14px;transition:.2s ease;
}
.aside-form input:focus{border-color:rgba(45,225,255,.5);box-shadow:0 0 0 3px rgba(45,225,255,.12)}
.aside-form input::placeholder{color:var(--t-3)}
.aside-note{font-size:12px;color:var(--t-3);margin-top:10px;line-height:1.6}

/* ============ 通用板块 ============ */
.section{padding:78px 0}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head p{color:var(--t-2);font-size:15px;margin-top:8px;max-width:60ch}
.section-head__more{font-size:14px;color:var(--c-primary);display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.section-head__more:hover{gap:11px}

.card{
  border-radius:var(--r-card);overflow:hidden;background:var(--bg-1);
  border:1px solid var(--line);transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease;
  height:100%;display:flex;flex-direction:column;
}
.card:hover{border-color:rgba(45,225,255,.35);transform:translateY(-4px);box-shadow:var(--shadow-card)}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card__media img{transform:scale(1.04)}
.card__badge{
  position:absolute;left:14px;top:14px;z-index:2;font-size:12px;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(7,11,20,.75);border:1px solid rgba(45,225,255,.32);color:var(--c-primary);
  backdrop-filter:blur(8px);
}
.card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:18px}
.card__body p{font-size:14px;color:var(--t-2);line-height:1.75}
.card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t-3);padding-top:8px;
}
.card__foot .num{color:var(--c-accent)}

.hotbar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border-radius:var(--r-card);overflow:hidden;
  background:var(--line);border:1px solid var(--line);
}
.hotbar__item{background:var(--bg-1);padding:22px 24px;display:flex;flex-direction:column;gap:6px}
.hotbar__item b{font-size:26px;font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--c-accent);letter-spacing:-.02em}
.hotbar__item span{font-size:13px;color:var(--t-2)}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq details{
  border-radius:14px;background:var(--glass);border:1px solid var(--glass-border);
  overflow:hidden;transition:border-color .25s ease;
}
.faq details[open]{border-color:rgba(45,225,255,.34)}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{color:var(--c-primary);font-size:13px;transition:transform .22s ease;flex:0 0 auto}
.faq details[open] summary i{transform:rotate(45deg)}
.faq__body{padding:0 22px 20px;font-size:14.5px;color:var(--t-2);line-height:1.8}
.faq summary:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px}

/* CTA */
.cta-band{
  border-radius:var(--r-lg);padding:38px 40px;
  background:
    radial-gradient(70% 140% at 88% 12%,rgba(255,107,53,.22),transparent 62%),
    radial-gradient(70% 140% at 6% 90%,rgba(45,225,255,.2),transparent 60%),
    rgba(18,27,46,.72);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:var(--t-2);font-size:15px;max-width:48ch}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 220px;height:48px;padding:0 16px;border-radius:var(--r-input);
  background:rgba(7,11,20,.72);border:1px solid var(--line);outline:none;font-size:14px;transition:.2s ease;
}
.cta-form input:focus{border-color:rgba(45,225,255,.5);box-shadow:0 0 0 3px rgba(45,225,255,.12)}
.cta-form input::placeholder{color:var(--t-3)}
.cta-note{font-size:12px;color:var(--t-3);margin-top:12px}

/* 返回顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:150;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;color:var(--c-primary);background:rgba(18,27,46,.9);
  border:1px solid rgba(45,225,255,.3);backdrop-filter:blur(10px);
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;
}
.to-top.is-visible{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(45,225,255,.22)}

/* 页脚 */
.site-footer{
  margin-top:40px;border-top:1px solid var(--line);background:var(--bg-1);position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(45,225,255,.45),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:56px 0 36px}
.footer-brand__desc{font-size:14px;color:var(--t-2);margin:16px 0 16px;max-width:44ch;line-height:1.8}
.footer-brand__kw{display:flex;flex-wrap:wrap;gap:8px}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--t-1);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--t-2)}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--t-3);
}
.footer-bottom__links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom__links a{color:var(--t-3)}
.footer-bottom__links a:hover{color:var(--c-primary)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px}
  .hot-words a:nth-child(n+4){display:none}
}
@media (max-width:1024px){
  .header-search{max-width:220px}
  .hot-words{display:none}
  .article-layout{grid-template-columns:1fr;gap:44px}
  .article-main{max-width:none}
  .aside-stack{position:static;flex-direction:row;flex-wrap:wrap}
  .aside-card{flex:1 1 300px}
  .hotbar{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .wrap{padding:0 18px}
  .header-search{display:none}
  .header-cta{display:none}
  .nav-toggle{display:grid;margin-left:auto}
  .header-channels{overflow-x:auto;flex-wrap:nowrap;padding-bottom:8px}
  .channel-nav{flex-wrap:nowrap}
  .channel-link{white-space:nowrap}
  .trend-entry{display:none}
  .article-hero__inner{padding:30px 0 34px}
  .page-body{padding:36px 0 0}
  .article-body{font-size:16px}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:19px}
  .section{padding:56px 0}
  .cta-band{grid-template-columns:1fr;padding:26px 22px}
  .post-nav{grid-template-columns:1fr}
  .post-nav__item--next{text-align:left}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:520px){
  .article-hero h1{font-size:26px}
  .hotbar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .card__media{aspect-ratio:16/10}
  .article-body p{line-height:1.8}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --bg-0:#070b14;
  --bg-1:#0c1322;
  --bg-2:#121b2e;
  --glass:rgba(18,27,46,.62);
  --glass-line:rgba(45,225,255,.14);
  --c-primary:#2de1ff;
  --c-primary-deep:#0e9bbf;
  --c-accent:#c8ff3d;
  --c-cta:#ff6b35;
  --txt-1:#eaf2ff;
  --txt-2:#94a6c4;
  --txt-3:#5c6e8c;
  --line:rgba(255,255,255,.08);
  --r-card:16px;
  --r-v:20px;
  --r-pill:999px;
  --r-input:12px;
  --shadow:0 8px 32px rgba(0,0,0,.45);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--txt-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(45,225,255,.14),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(200,255,61,.07),transparent 60%),
    linear-gradient(180deg,#070b14 0%,#080d18 45%,#070b14 100%);
}
main,header,footer{position:relative;z-index:1}
img{max-width:100%;height:auto;display:block}
a{color:var(--txt-1);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.005em}
h1{font-size:clamp(30px,4vw,48px)}
h2{font-size:clamp(24px,2.6vw,31px)}
h3{font-size:20px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head__lead{max-width:660px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-primary);font-weight:600;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);border-radius:2px}
.section-sub{color:var(--txt-2);font-size:15.5px;margin-top:12px}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.86);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-compact{box-shadow:0 12px 34px rgba(0,0,0,.55);background:rgba(7,11,20,.94)}
.header-top{display:flex;align-items:center;gap:20px;padding-top:14px;padding-bottom:14px}
.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo__mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  box-shadow:0 0 0 1px rgba(45,225,255,.35),0 8px 20px rgba(45,225,255,.2);
}
.logo__mark svg{width:22px;height:22px}
.logo__word{display:flex;flex-direction:column;line-height:1.15}
.logo__word b{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--txt-1)}
.logo__word span{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--txt-3)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.main-nav a{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--txt-2);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.main-nav a:hover{color:var(--txt-1);background:rgba(45,225,255,.07)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--txt-1);background:rgba(45,225,255,.1)}
.main-nav a.is-active::after{transform:scaleX(1);box-shadow:0 0 10px rgba(45,225,255,.8)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search{position:relative;display:flex;align-items:center}
.search input{
  width:196px;padding:10px 38px 10px 14px;
  background:rgba(18,27,46,.75);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  font-size:14px;color:var(--txt-1);
  transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.search input::placeholder{color:var(--txt-3)}
.search input:focus{outline:none;border-color:rgba(45,225,255,.55);box-shadow:0 0 0 3px rgba(45,225,255,.14);width:228px}
.search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  background:none;border:0;color:var(--txt-3);cursor:pointer;padding:6px 8px;border-radius:8px;
}
.search button:hover{color:var(--c-primary)}
.header-bottom{
  display:flex;align-items:center;gap:18px;
  padding:9px 24px 11px;
  border-top:1px solid rgba(255,255,255,.05);
  overflow:hidden;
  transition:max-height .3s ease,opacity .25s ease,padding .3s ease;
  max-height:70px;
}
.site-header.is-compact .header-bottom{max-height:0;opacity:0;padding-top:0;padding-bottom:0;border-top-color:transparent}
.hot-words{display:flex;align-items:center;gap:10px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.hot-words::-webkit-scrollbar{display:none}
.hot-words__label{
  font-size:12px;letter-spacing:.08em;color:var(--txt-3);
  border-right:1px solid var(--line);padding-right:12px;flex-shrink:0;
}
.hot-words a{
  font-size:13.5px;color:var(--txt-2);padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid transparent;background:rgba(255,255,255,.04);white-space:nowrap;
}
.hot-words a:hover{color:var(--c-primary);border-color:rgba(45,225,255,.35);background:rgba(45,225,255,.08)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(45,225,255,.08);border:1px solid rgba(45,225,255,.22);
  color:var(--txt-1);cursor:pointer;align-items:center;justify-content:center;
}
.drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(9,14,25,.98);
  padding:18px 24px 24px;
}
.drawer.is-open{display:block}
.drawer nav{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.drawer nav a{
  padding:12px 14px;border-radius:12px;font-size:15.5px;color:var(--txt-2);
  border:1px solid transparent;
}
.drawer nav a:hover,.drawer nav a.is-active{color:var(--txt-1);background:rgba(45,225,255,.1);border-color:rgba(45,225,255,.22)}
.drawer .search input{width:100%}
.drawer .hot-words{margin-top:16px;flex-wrap:wrap}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,filter .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn i{font-size:13px}
.btn--primary{
  background:linear-gradient(135deg,#3fe8ff,#0e9bbf);
  color:#04121a;
  box-shadow:0 0 0 1px rgba(45,225,255,.4),0 10px 30px rgba(45,225,255,.26);
}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(45,225,255,.55),0 16px 36px rgba(45,225,255,.34);color:#04121a}
.btn--primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(45,225,255,.4),0 6px 16px rgba(45,225,255,.2)}
.btn--cta{
  background:linear-gradient(135deg,#ff9166,#ff6b35);
  color:#1c0a03;
  box-shadow:0 0 0 1px rgba(255,107,53,.42),0 10px 28px rgba(255,107,53,.28);
}
.btn--cta:hover{filter:brightness(1.06);transform:translateY(-2px);color:#1c0a03}
.btn--ghost{
  background:rgba(45,225,255,.06);
  border-color:rgba(45,225,255,.34);
  color:var(--txt-1);
}
.btn--ghost:hover{background:rgba(45,225,255,.13);border-color:rgba(45,225,255,.6);transform:translateY(-2px);color:var(--txt-1)}
.btn--line{background:transparent;border-color:var(--line);color:var(--txt-2)}
.btn--line:hover{border-color:rgba(45,225,255,.5);color:var(--c-primary)}
.btn--sm{padding:10px 18px;font-size:14px}
.btn--block{width:100%}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(45,225,255,.12);color:var(--c-primary);
  border:1px solid rgba(45,225,255,.26);
}
.badge--live{background:rgba(255,107,53,.14);color:#ff9a6d;border-color:rgba(255,107,53,.4)}
.badge--live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-cta);
  box-shadow:0 0 0 3px rgba(255,107,53,.24);
}
.badge--data{background:rgba(200,255,61,.12);color:var(--c-accent);border-color:rgba(200,255,61,.28)}
.badge--muted{background:rgba(255,255,255,.05);color:var(--txt-2);border-color:var(--line)}
.chip{
  display:inline-flex;align-items:center;
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--txt-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:all .2s ease;cursor:pointer;
}
.chip:hover{color:var(--txt-1);border-color:rgba(45,225,255,.4);background:rgba(45,225,255,.08)}
.chip.is-active{color:#04121a;background:linear-gradient(135deg,#3fe8ff,#0e9bbf);border-color:transparent;font-weight:600}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:6px;
  font-size:12px;color:var(--txt-2);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.07);
}

/* 分类 Hero */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero__bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.2;
}
.cat-hero__veil{
  position:absolute;inset:0;
  background:
    radial-gradient(720px 380px at 8% 0%,rgba(45,225,255,.2),transparent 65%),
    linear-gradient(180deg,rgba(7,11,20,.6),rgba(7,11,20,.96));
}
.cat-hero__inner{position:relative;padding:52px 0 46px}
.crumbs{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--txt-3);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:var(--txt-2)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs span.sep{color:var(--txt-3);opacity:.6}
.cat-hero h1{margin-bottom:16px;max-width:860px}
.cat-hero h1 em{
  font-style:normal;
  background:linear-gradient(135deg,#3fe8ff,#c8ff3d);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero__lead{max-width:720px;color:var(--txt-2);font-size:16.5px;margin-bottom:26px}
.cat-hero__metrics{
  display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px;
}
.metric{
  min-width:170px;padding:15px 20px;border-radius:var(--r-card);
  background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-line);
  box-shadow:0 8px 32px rgba(0,0,0,.35);
}
.metric b{display:block;font-size:26px;color:var(--c-accent);line-height:1.2}
.metric span{font-size:13px;color:var(--txt-3)}
.filter-row{display:flex;gap:10px;flex-wrap:wrap}

/* 卡片 */
.card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:linear-gradient(180deg,rgba(18,27,46,.88),rgba(11,17,30,.94));
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:border-color .28s ease,transform .28s ease,box-shadow .28s ease;
}
.card:hover{border-color:rgba(45,225,255,.35);transform:translateY(-4px);box-shadow:0 16px 44px rgba(0,0,0,.55)}
.card__media{position:relative;overflow:hidden;background:var(--bg-2)}
.card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s ease}
.card:hover .card__media img{transform:scale(1.04)}
.card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.05) 35%,rgba(7,11,20,.85));
}
.card__media .badge{position:absolute;left:14px;top:14px;z-index:2}
.card__play{
  position:absolute;right:14px;bottom:14px;z-index:2;
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(45,225,255,.16);
  border:1px solid rgba(45,225,255,.45);
  color:#eaf8ff;transition:transform .25s ease,background .25s ease;
}
.card:hover .card__play{transform:scale(1.12);background:rgba(45,225,255,.3)}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__body h3{font-size:19px}
.card__body p{font-size:14.5px;color:var(--txt-2);line-height:1.75;margin:0}
.card__tags{display:flex;gap:8px;flex-wrap:wrap}
.card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.card__stat{font-size:13px;color:var(--txt-3);display:flex;align-items:center;gap:7px}
.card__stat b{color:var(--c-accent)}

/* 侧栏 */
.side{display:flex;flex-direction:column;gap:22px;position:sticky;top:112px}
.panel{
  background:var(--glass);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow);
}
.panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.panel__head h3{font-size:17px}
.panel__head span{font-size:12.5px;color:var(--txt-3)}
.rank-list{display:flex;flex-direction:column;gap:15px}
.rank-item{display:flex;gap:13px;align-items:flex-start}
.rank-item__no{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:13px;font-weight:700;font-family:var(--mono);
  color:var(--c-accent);border:1px solid rgba(200,255,61,.35);background:rgba(200,255,61,.08);
}
.rank-item:nth-child(1) .rank-item__no{color:#04121a;background:var(--c-accent);border-color:transparent}
.rank-item__main{flex:1;min-width:0}
.rank-item__title{display:flex;justify-content:space-between;gap:10px;font-size:14.5px;align-items:baseline}
.rank-item__title b{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-item__title i{font-style:normal;font-family:var(--mono);font-size:13px;color:var(--c-accent)}
.bar{height:5px;border-radius:5px;background:rgba(255,255,255,.07);margin-top:8px;overflow:hidden}
.bar span{display:block;height:100%;border-radius:5px;background:linear-gradient(90deg,#0e9bbf,#c8ff3d)}
.rank-item__meta{font-size:12.5px;color:var(--txt-3);margin-top:5px}
.note-list{display:flex;flex-direction:column;gap:14px}
.note-list li{display:flex;gap:12px;font-size:14.2px;color:var(--txt-2);line-height:1.7}
.note-list li i{color:var(--c-primary);margin-top:6px;font-size:12px}
.cta-mini{text-align:left}
.cta-mini h3{font-size:17px;margin-bottom:10px}
.cta-mini p{font-size:14px;color:var(--txt-2);margin-bottom:16px}

/* 特性区 */
.feature-wrap{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:26px;align-items:stretch;
}
.feature-hero{
  position:relative;border-radius:var(--r-v);overflow:hidden;border:1px solid var(--line);
  min-height:380px;display:flex;align-items:flex-end;
  box-shadow:var(--shadow);
}
.feature-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.feature-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.2) 20%,rgba(7,11,20,.94));
}
.feature-hero__body{position:relative;z-index:2;padding:28px 30px}
.feature-hero__body h3{font-size:24px;margin-bottom:12px}
.feature-hero__body p{color:var(--txt-2);font-size:15px;max-width:460px}
.feature-list{display:flex;flex-direction:column;gap:16px}
.feature-item{
  display:flex;gap:16px;padding:20px 22px;border-radius:var(--r-card);
  background:rgba(18,27,46,.5);
  border:1px solid var(--line);
  transition:border-color .25s ease,background .25s ease,transform .25s ease;
}
.feature-item:hover{border-color:rgba(45,225,255,.32);background:rgba(18,27,46,.78);transform:translateX(4px)}
.feature-item__icon{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(45,225,255,.1);border:1px solid rgba(45,225,255,.24);color:var(--c-primary);font-size:17px;
}
.feature-item h4{font-size:16.5px;margin-bottom:7px}
.feature-item p{font-size:14.2px;color:var(--txt-2);margin:0;line-height:1.7}

/* 流程时间线 */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:26px;height:1px;
  background:linear-gradient(90deg,rgba(45,225,255,.4),rgba(200,255,61,.3),transparent);
}
.step{position:relative;padding-top:66px}
.step__no{
  position:absolute;left:0;top:0;width:52px;height:52px;border-radius:14px;
  display:grid;place-items:center;font-family:var(--mono);font-size:18px;font-weight:700;
  color:var(--c-accent);background:var(--bg-1);
  border:1px solid rgba(200,255,61,.32);
  box-shadow:0 0 0 6px rgba(7,11,20,.9);
}
.step h3{font-size:17.5px;margin-bottom:9px}
.step p{font-size:14.2px;color:var(--txt-2);margin:0;line-height:1.75}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq details{
  background:var(--glass);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  transition:border-color .24s ease,background .24s ease;
}
.faq details[open]{border-color:rgba(45,225,255,.34);background:rgba(18,27,46,.86)}
.faq summary{
  list-style:none;cursor:pointer;padding:19px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16.5px;font-weight:600;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{color:var(--c-primary);transition:transform .22s ease;font-size:14px}
.faq details[open] summary i{transform:rotate(45deg)}
.faq__body{
  padding:0 22px 20px;color:var(--txt-2);font-size:14.8px;line-height:1.8;
  animation:fadeUp .22s ease both;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-v);
  background:linear-gradient(120deg,rgba(45,225,255,.14),rgba(200,255,61,.07) 55%,rgba(255,107,53,.1));
  border:1px solid var(--glass-line);
  padding:40px 42px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:34px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band__bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.png) center/cover no-repeat;
  opacity:.13;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{margin-bottom:14px}
.cta-band p{color:var(--txt-2);font-size:15.5px;max-width:520px}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 200px;min-width:0;padding:14px 16px;
  background:rgba(7,11,20,.7);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  font-size:15px;
}
.sub-form input::placeholder{color:var(--txt-3)}
.sub-form input:focus{outline:none;border-color:rgba(45,225,255,.55);box-shadow:0 0 0 3px rgba(45,225,255,.14)}
.form-note{font-size:12.5px;color:var(--txt-3);margin-top:12px}

/* 页脚 */
.site-footer{
  margin-top:40px;
  border-top:1px solid rgba(45,225,255,.2);
  background:linear-gradient(180deg,rgba(12,19,34,.9),rgba(7,11,20,1));
  padding:62px 0 30px;
  box-shadow:inset 0 1px 0 rgba(45,225,255,.18);
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:36px}
.footer-brand__desc{color:var(--txt-2);font-size:14.2px;margin:18px 0 18px;max-width:380px;line-height:1.8}
.footer-brand__kw{display:flex;gap:8px;flex-wrap:wrap}
.footer-brand__kw .chip{font-size:12.5px;padding:5px 12px;cursor:default}
.footer-brand__kw .chip:hover{color:var(--txt-2);border-color:var(--line);background:rgba(255,255,255,.04)}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--txt-1)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.2px;color:var(--txt-2);position:relative;display:inline-block}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--c-primary);
  transition:width .24s ease;
}
.footer-col a:hover{color:var(--c-primary)}
.footer-col a:hover::after{width:100%}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-3);
}
.footer-bottom__links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom__links a{color:var(--txt-3)}
.footer-bottom__links a:hover{color:var(--c-primary)}

/* 返回顶部 */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(18,27,46,.9);border:1px solid rgba(45,225,255,.3);color:var(--c-primary);
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .26s ease;backdrop-filter:blur(12px);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:rgba(45,225,255,.16);transform:translateY(-3px)}

/* 栅格补充 */
.grid-padding-x{margin-inline:-13px}
.grid-padding-x>.cell{padding-inline:13px}
.gap-y>.cell{margin-bottom:26px}
@media screen and (max-width:1199px){
  .side{position:static}
}
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .header-actions .search{display:none}
  .nav-toggle{display:inline-flex}
  .header-bottom{display:none}
  .feature-wrap{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline::before{display:none}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
  .cta-band{grid-template-columns:1fr;padding:34px 28px}
}
@media screen and (max-width:767px){
  body{font-size:15.5px}
  .wrap{padding:0 18px}
  .section{padding:52px 0}
  .section--tight{padding:42px 0}
  .cat-hero__inner{padding:36px 0 34px}
  .cat-hero__metrics{gap:10px}
  .metric{flex:1 1 46%;min-width:0;padding:13px 16px}
  .metric b{font-size:22px}
  .card__body{padding:18px}
  .timeline{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:48px 0 26px}
  .to-top{right:14px;bottom:18px}
}
@media screen and (max-width:560px){
  h1{font-size:28px}
  .logo__word b{font-size:15.5px}
  .header-top{gap:12px}
  .metric{flex:1 1 100%}
  .cta-band{padding:28px 20px}
  .panel{padding:18px}
  .faq summary{padding:16px 17px;font-size:15.5px}
  .faq__body{padding:0 17px 17px}
}

/* roulang page: category2 */
:root{
  --bg-0:#070B14;
  --bg-1:#0C1322;
  --bg-2:#121B2E;
  --glass:rgba(18,27,46,.62);
  --glass-strong:rgba(18,27,46,.86);
  --glass-bd:rgba(45,225,255,.14);
  --c-primary:#2DE1FF;
  --c-primary-deep:#0E9BBF;
  --c-accent:#C8FF3D;
  --c-cta:#FF6B35;
  --t-1:#EAF2FF;
  --t-2:#94A6C4;
  --t-3:#5C6E8C;
  --line:rgba(255,255,255,.08);
  --r-card:16px;
  --r-reel:20px;
  --r-pill:999px;
  --r-input:12px;
  --sh-card:0 8px 32px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(45,225,255,.35) inset,0 10px 30px rgba(45,225,255,.28);
  --wrap:1240px;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
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,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:0}

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

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,filter .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn--cta{
  background:linear-gradient(135deg,#FF8A4C,#FF6B35 55%,#F04E17);
  color:#1A0A02;
  box-shadow:var(--sh-glow);
}
.btn--cta:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn--cta:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(255,107,53,.45) inset}
.btn--primary{
  background:var(--c-primary);color:#04121A;
  box-shadow:0 0 0 1px rgba(45,225,255,.4) inset,0 10px 26px rgba(45,225,255,.22);
}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn--ghost{
  background:transparent;border-color:rgba(45,225,255,.32);color:var(--t-1);
}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--block{width:100%}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(45,225,255,.12);color:var(--c-primary);
  border:1px solid rgba(45,225,255,.24);
}
.badge--live{background:rgba(255,107,53,.14);color:#FF9A6B;border-color:rgba(255,107,53,.32)}
.badge--live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-cta);
  box-shadow:0 0 10px rgba(255,107,53,.9);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.badge--accent{background:rgba(200,255,61,.12);color:var(--c-accent);border-color:rgba(200,255,61,.26)}

.chip{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--t-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.chip:hover,.chip.is-active{color:var(--c-primary);border-color:rgba(45,225,255,.4);background:rgba(45,225,255,.08)}
.chips{display:flex;flex-wrap:wrap;gap:10px}

.link-more{
  position:relative;font-size:14px;color:var(--c-primary);font-weight:600;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--c-primary);
  transition:width .28s ease;
}
.link-more:hover::after{width:100%}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(9,14,25,.94);
  box-shadow:0 12px 40px rgba(0,0,0,.5);
  border-bottom-color:rgba(45,225,255,.16);
}
.topbar__inner{
  display:flex;align-items:center;gap:20px;
  min-height:68px;
  transition:min-height .25s ease;
}
.site-header.is-scrolled .topbar__inner{min-height:58px}

.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo__mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#2DE1FF,#0E9BBF 70%);
  box-shadow:0 6px 20px rgba(45,225,255,.28);
}
.logo__mark svg{width:22px;height:22px}
.logo__word{display:flex;flex-direction:column;line-height:1.15}
.logo__word b{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--t-1)}
.logo__word span{
  font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--t-3);
}

.search-field{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;max-width:280px;
  padding:8px 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:border-color .2s ease,background-color .2s ease;
}
.search-field:focus-within{border-color:rgba(45,225,255,.45);background:rgba(45,225,255,.06)}
.search-field svg{width:16px;height:16px;flex:0 0 auto;stroke:var(--t-3);fill:none;stroke-width:1.8}
.search-field input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--t-1);
}
.search-field input::placeholder{color:var(--t-3)}

.hot-words{display:flex;align-items:center;gap:14px;flex:0 1 auto}
.hot-words__label{
  font-size:11px;letter-spacing:.14em;color:var(--c-accent);
  border:1px solid rgba(200,255,61,.3);border-radius:var(--r-pill);
  padding:2px 10px;
}
.hot-words a{
  position:relative;font-size:13px;color:var(--t-2);white-space:nowrap;
  transition:color .2s ease;
}
.hot-words a::after{
  content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--c-primary);
  transition:width .26s ease;
}
.hot-words a:hover{color:var(--c-primary)}
.hot-words a:hover::after{width:100%}

.topbar__cta{margin-left:auto;flex:0 0 auto}

.channelbar{border-top:1px solid var(--line)}
.channelbar__inner{display:flex;align-items:center;gap:18px;min-height:50px}
.channels{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channels a{
  position:relative;padding:14px 14px;font-size:15px;color:var(--t-2);white-space:nowrap;
  transition:color .2s ease;
}
.channels a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),rgba(45,225,255,0));
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.channels a:hover{color:var(--t-1)}
.channels a:hover::after{transform:scaleX(.5)}
.channels a.is-active{color:var(--c-primary);font-weight:600}
.channels a.is-active::after{transform:scaleX(1)}
.trend-entry{
  margin-left:auto;flex:0 0 auto;font-size:13px;color:var(--t-2);
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .2s ease,border-color .2s ease;
}
.trend-entry:hover{color:var(--c-accent);border-color:rgba(200,255,61,.4)}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--t-1);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(9,14,25,.97);
}
.mobile-drawer.is-open{display:block}
.mobile-drawer__inner{padding:20px 24px 28px;display:flex;flex-direction:column;gap:18px}
.mobile-drawer__inner .search-field{max-width:none}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  padding:12px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--t-2);
}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600}
.drawer-hot{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(7,11,20,.55),rgba(7,11,20,.96)),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat,
    var(--bg-0);
}
.cat-hero::before{
  content:"";position:absolute;inset:-20% 40% 40% -10%;
  background:radial-gradient(circle at 30% 40%,rgba(45,225,255,.22),transparent 62%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;inset: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:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 78%);
  pointer-events:none;
}
.cat-hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;align-items:end;
  padding:56px 0 64px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-3);margin-bottom:18px}
.breadcrumb a{color:var(--t-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:var(--t-3)}
.cat-hero h1{
  font-size:clamp(32px,4.4vw,50px);
  line-height:1.16;font-weight:800;letter-spacing:-.01em;
  margin:14px 0 16px;
}
.cat-hero h1 em{font-style:normal;color:var(--c-primary)}
.cat-hero__lead{font-size:17px;color:var(--t-2);max-width:640px;line-height:1.85}
.cat-hero .chips{margin-top:26px}

.hero-panel{
  background:var(--glass);
  border:1px solid var(--glass-bd);
  border-radius:var(--r-card);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--sh-card);
  padding:24px;
}
.hero-panel__title{
  font-size:12px;letter-spacing:.14em;color:var(--t-3);text-transform:uppercase;margin-bottom:18px;
}
.hero-panel__row{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);
}
.hero-panel__row:last-of-type{border-bottom:0}
.hero-panel__row dt{font-size:14px;color:var(--t-2)}
.hero-panel__row dd{margin:0;font-size:22px;font-weight:700;color:var(--c-accent);font-family:var(--mono);font-variant-numeric:tabular-nums}
.hero-panel__row dd small{font-size:12px;color:var(--t-3);margin-left:4px;font-family:inherit}
.hero-panel__note{margin-top:16px;font-size:12px;color:var(--t-3);line-height:1.7}

/* ---------- 联赛覆盖条 ---------- */
.strip-section{border-bottom:1px solid var(--line);background:var(--bg-1)}
.strip-head{display:flex;align-items:center;gap:14px;padding:22px 0 14px;font-size:13px;color:var(--t-3);letter-spacing:.08em}
.strip-head strong{color:var(--c-accent);font-weight:600;letter-spacing:.04em}
.league-strip{
  display:flex;gap:16px;overflow-x:auto;padding:0 0 26px;
  scrollbar-width:none;
  mask-image:linear-gradient(90deg,transparent,#000 2%,#000 96%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 2%,#000 96%,transparent);
}
.league-strip::-webkit-scrollbar{display:none}
.strip-item{
  flex:0 0 auto;min-width:188px;
  padding:16px 18px;border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  transition:border-color .24s ease,transform .24s ease;
}
.strip-item:hover{border-color:rgba(45,225,255,.35);transform:translateY(-3px)}
.strip-item h3{font-size:15px;font-weight:600;margin-bottom:10px}
.strip-item p{font-size:13px;color:var(--t-2);line-height:1.7}
.strip-item .num{color:var(--c-accent);font-size:19px;font-weight:700;margin-right:2px}

/* ---------- 板块通用 ---------- */
.section{padding:78px 0}
.section--alt{background:var(--bg-1)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head__kicker{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--c-primary);
  margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;margin-bottom:14px}
.section-head p{color:var(--t-2);font-size:16px;line-height:1.85}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* ---------- 杂志混排网格 ---------- */
.mosaic{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:24px}
.m-card{
  position:relative;overflow:hidden;display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  transition:border-color .28s ease,transform .28s ease,box-shadow .28s ease;
}
.m-card:hover{border-color:rgba(45,225,255,.35);transform:translateY(-4px);box-shadow:0 16px 44px rgba(0,0,0,.55)}
.m-card__media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--bg-2)}
.m-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .34s ease}
.m-card:hover .m-card__media img{transform:scale(1.04)}
.m-card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.05) 40%,rgba(7,11,20,.72));
}
.m-card__badge{position:absolute;top:14px;left:14px;z-index:2}
.m-card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.m-card__body h3{font-size:19px;line-height:1.45;font-weight:700}
.m-card__body p{font-size:14.5px;color:var(--t-2);line-height:1.8}
.m-card__meta{
  margin-top:auto;display:flex;flex-wrap:wrap;gap:10px 18px;
  padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t-3);
}
.m-card__meta b{color:var(--c-accent);font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:700;margin-right:3px}

.m-card--lead{grid-column:span 4;grid-row:span 2}
.m-card--lead .m-card__media{aspect-ratio:16/9}
.m-card--lead .m-card__body{padding:28px}
.m-card--lead h3{font-size:clamp(21px,2.4vw,27px)}
.m-card--lead p{font-size:15.5px}
.m-card--tall{grid-column:span 2;grid-row:span 2}
.m-card--tall .m-card__media{aspect-ratio:3/4}
.m-card--tall .m-card__media::after{background:linear-gradient(180deg,rgba(7,11,20,.1) 30%,rgba(7,11,20,.85))}
.m-card--wide{grid-column:span 2}
.m-card--compact{grid-column:span 2}
.m-card--compact .m-card__body{padding:20px}
.m-card--compact h3{font-size:16.5px}

/* ---------- 特色交替图文 ---------- */
.feature-row{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);
  gap:44px;align-items:center;padding:34px 0;
  border-bottom:1px solid var(--line);
}
.feature-row:last-child{border-bottom:0}
.feature-row--reverse .feature-row__text{order:2}
.feature-row--reverse .feature-row__media{order:1}
.feature-row__media{
  border-radius:var(--r-reel);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-card);aspect-ratio:16/10;background:var(--bg-2);
}
.feature-row__media img{width:100%;height:100%;object-fit:cover}
.feature-row__kicker{font-size:12px;letter-spacing:.14em;color:var(--c-primary);margin-bottom:12px;display:block}
.feature-row h3{font-size:clamp(20px,2.4vw,26px);line-height:1.4;margin-bottom:14px}
.feature-row p{color:var(--t-2);font-size:15.5px;margin-bottom:18px}
.feature-list{display:flex;flex-direction:column;gap:10px}
.feature-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--t-2)}
.feature-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--c-accent);box-shadow:0 0 12px rgba(200,255,61,.6);
}

/* ---------- 统计卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:36px}
.stat-card{
  padding:22px;border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(45,225,255,.07),rgba(18,27,46,.5));
  border:1px solid var(--glass-bd);
  transition:transform .24s ease,border-color .24s ease;
}
.stat-card:hover{transform:translateY(-3px);border-color:rgba(45,225,255,.4)}
.stat-card__num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.2}
.stat-card__num small{font-size:14px;color:var(--t-2);margin-left:4px;font-family:inherit;font-weight:500}
.stat-card h3{font-size:15px;margin:10px 0 6px}
.stat-card p{font-size:13px;color:var(--t-2);line-height:1.7}

/* ---------- 排行榜 ---------- */
.rank-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:36px;align-items:start}
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;
  gap:18px;align-items:center;
  padding:20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .24s ease,transform .24s ease;
}
.rank-item:hover{border-color:rgba(200,255,61,.4);transform:translateY(-3px)}
.rank-item__no{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--c-accent);
  text-align:center;line-height:1;
}
.rank-item__text h3{font-size:17px;margin-bottom:6px}
.rank-item__text p{font-size:13.5px;color:var(--t-2);line-height:1.7}
.rank-item__tag{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.rank-item__tag span{font-size:12px;color:var(--t-3)}
.rank-item__tag b{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--c-primary);font-size:15px}

.side-panel{
  padding:26px;border-radius:var(--r-card);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
}
.side-panel h3{font-size:18px;margin-bottom:16px}
.side-panel ul{display:flex;flex-direction:column;gap:12px}
.side-panel li{font-size:14px;color:var(--t-2);padding-left:16px;position:relative;line-height:1.75}
.side-panel li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
.side-panel .btn{margin-top:22px}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq details{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  overflow:hidden;
  transition:border-color .24s ease,background-color .24s ease;
}
.faq details[open]{border-color:rgba(45,225,255,.35);background:var(--glass-strong)}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:600;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:0 0 auto;width:12px;height:12px;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);transition:transform .24s ease;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq__answer{padding:0 24px 22px;color:var(--t-2);font-size:15px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 78px}
.cta-band__inner{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:40px;align-items:center;
  padding:40px;
  border-radius:var(--r-reel);
  background:linear-gradient(120deg,rgba(45,225,255,.12),rgba(18,27,46,.72) 55%),var(--glass);
  border:1px solid var(--glass-bd);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--sh-card);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:12px}
.cta-band p{color:var(--t-2);font-size:15.5px}
.subscribe-form{display:flex;flex-direction:column;gap:12px}
.subscribe-form input{
  width:100%;padding:14px 16px;border-radius:var(--r-input);
  background:rgba(7,11,20,.6);border:1px solid rgba(45,225,255,.22);
  color:var(--t-1);font-size:15px;outline:none;
  transition:border-color .2s ease,background-color .2s ease;
}
.subscribe-form input::placeholder{color:var(--t-3)}
.subscribe-form input:focus{border-color:var(--c-primary);background:rgba(7,11,20,.8)}
.subscribe-form small{font-size:12px;color:var(--t-3);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid rgba(45,225,255,.16);
  box-shadow:0 -1px 0 rgba(45,225,255,.16),0 -22px 60px rgba(45,225,255,.06);
  padding:64px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:40px}
.footer-brand__desc{margin-top:18px;font-size:14px;color:var(--t-2);line-height:1.85;max-width:420px}
.footer-brand__kw{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--t-1)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--t-2);transition:color .2s ease}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  margin-top:48px;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--t-3);
}
.footer-bottom__links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom__links a{color:var(--t-3);transition:color .2s ease}
.footer-bottom__links a:hover{color:var(--c-primary)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:80;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--glass-strong);border:1px solid rgba(45,225,255,.3);
  color:var(--c-primary);font-size:18px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{box-shadow:0 0 0 1px rgba(45,225,255,.4) inset,0 10px 26px rgba(45,225,255,.22)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .hot-words{display:none}
  .topbar__cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .channelbar{display:none}
  .cat-hero__inner{grid-template-columns:1fr;gap:32px;padding:44px 0 52px;align-items:start}
  .mosaic{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .m-card--lead{grid-column:span 4;grid-row:auto}
  .m-card--tall{grid-column:span 2;grid-row:auto}
  .m-card--tall .m-card__media{aspect-ratio:4/3}
  .m-card--wide,.m-card--compact{grid-column:span 2}
  .feature-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .feature-row--reverse .feature-row__text{order:1}
  .feature-row--reverse .feature-row__media{order:2}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rank-grid{grid-template-columns:1fr}
  .cta-band__inner{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media screen and (max-width:768px){
  .wrap{padding:0 18px}
  .section{padding:54px 0}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:14px}
  .search-field{display:none}
  .mobile-drawer__inner .search-field{display:flex}
  .mosaic{grid-template-columns:1fr;gap:18px}
  .m-card--lead,.m-card--tall,.m-card--wide,.m-card--compact{grid-column:span 1;grid-row:auto}
  .m-card--tall .m-card__media{aspect-ratio:16/10}
  .rank-item{grid-template-columns:48px minmax(0,1fr);row-gap:12px}
  .rank-item__tag{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding-bottom:54px}
  .cta-band__inner{padding:26px 20px}
}
@media screen and (max-width:520px){
  .cat-hero h1{font-size:30px}
  .stat-grid{grid-template-columns:1fr}
  .m-card--lead .m-card__body{padding:20px}
  .logo__word b{font-size:15.5px}
  .logo__word span{display:none}
  .to-top{right:16px;bottom:18px}
}

/* roulang page: category3 */
:root{
  --bg-0:#070B14;
  --bg-1:#0C1322;
  --bg-2:#121B2E;
  --glass:rgba(18,27,46,.62);
  --glass-line:rgba(45,225,255,.14);
  --c-primary:#2DE1FF;
  --c-primary-deep:#0E9BBF;
  --c-accent:#C8FF3D;
  --c-cta:#FF6B35;
  --tx-1:#EAF2FF;
  --tx-2:#94A6C4;
  --tx-3:#5C6E8C;
  --line:rgba(255,255,255,.08);
  --r-card:16px;
  --r-shot:20px;
  --r-btn:999px;
  --r-input:12px;
  --sh-card:0 8px 32px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(45,225,255,.6) inset,0 10px 30px rgba(45,225,255,.28);
  --glow-cta:0 0 0 1px rgba(255,107,53,.5) inset,0 10px 30px rgba(255,107,53,.26);
  --sp-sec:92px;
  --wrap:1240px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"SF Mono","JetBrains Mono","Roboto Mono",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.8;
  color:var(--tx-1);
  background:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 82% -6%,rgba(45,225,255,.10),transparent 62%),
    radial-gradient(700px 460px at 4% 22%,rgba(200,255,61,.05),transparent 60%),
    linear-gradient(180deg,#070B14 0%,#0A1020 48%,#070B14 100%);
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 12%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 12%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--c-primary)}
button,input{font-family:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.22;letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px}
.num,.stat__value,.tl-time,.metric__idx{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:var(--sp-sec) 0}
.section--tight{padding:64px 0}
.section--panel{background:linear-gradient(180deg,rgba(12,19,34,.72),rgba(7,11,20,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head__left{max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-primary);font-weight:600;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--c-primary),transparent)}
.sec-title{font-size:30px}
.sec-title span{color:var(--c-accent)}
.sec-sub{margin-top:12px;color:var(--tx-2);font-size:15px;line-height:1.8}
.more-link{font-size:14px;color:var(--tx-2);border-bottom:1px solid transparent;padding-bottom:2px}
.more-link:hover{color:var(--c-primary);border-bottom-color:var(--c-primary)}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;background:transparent;color:var(--tx-1);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--glow{background:linear-gradient(135deg,#FF7A45,#FF5A21);color:#100603;box-shadow:var(--glow-cta)}
.btn--glow:hover{filter:brightness(1.08);color:#100603}
.btn--primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));color:#04121A;box-shadow:var(--sh-glow)}
.btn--primary:hover{filter:brightness(1.08);color:#04121A}
.btn--outline{border-color:rgba(45,225,255,.34);color:var(--tx-1)}
.btn--outline:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn--ghost{color:var(--tx-2);border-color:var(--line)}
.btn--ghost:hover{color:var(--tx-1);border-color:rgba(255,255,255,.24)}
.btn--sm{padding:9px 18px;font-size:14px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-btn);
  font-size:12px;letter-spacing:.04em;
  background:rgba(45,225,255,.08);border:1px solid rgba(45,225,255,.18);color:var(--c-primary);
  transition:all .22s ease;
}
.chip--muted{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--tx-2)}
.chip--accent{background:rgba(200,255,61,.1);border-color:rgba(200,255,61,.3);color:var(--c-accent)}
.chip--live{background:rgba(255,107,53,.14);border-color:rgba(255,107,53,.4);color:#FFB394}
a.chip:hover{background:rgba(45,225,255,.16);border-color:var(--c-primary)}
.badge{
  display:inline-block;padding:4px 10px;border-radius:6px;
  font-size:11px;font-weight:700;letter-spacing:.06em;
  background:rgba(200,255,61,.12);color:var(--c-accent);border:1px solid rgba(200,255,61,.25);
}
.live-dot{position:relative;padding-left:14px}
.live-dot::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:7px;height:7px;border-radius:50%;background:var(--c-cta);box-shadow:0 0 0 4px rgba(255,107,53,.16)}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:linear-gradient(180deg,rgba(7,11,20,.94),rgba(7,11,20,.72));backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line);transition:box-shadow .3s ease}
body.is-stuck .site-header{box-shadow:0 14px 36px rgba(0,0,0,.5),0 1px 0 rgba(45,225,255,.22) inset}
body.is-stuck .header-channels{max-height:0;opacity:0;border-color:transparent}
.header-top__inner{display:flex;align-items:center;gap:20px;height:70px}
.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo__mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,var(--c-primary),#0B7B99);box-shadow:0 6px 18px rgba(45,225,255,.28)}
.logo__mark svg{width:22px;height:22px}
.logo__word{display:flex;flex-direction:column;line-height:1.05}
.logo__word b{font-size:17px;letter-spacing:.01em;color:var(--tx-1)}
.logo__word span{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--tx-3)}
.search{flex:1 1 auto;max-width:360px;display:flex;align-items:center;gap:8px;padding:0 14px;height:40px;border-radius:var(--r-input);background:rgba(255,255,255,.04);border:1px solid var(--line);transition:border-color .22s ease,background .22s ease}
.search:focus-within{border-color:rgba(45,225,255,.5);background:rgba(45,225,255,.06)}
.search svg{width:16px;height:16px;flex-shrink:0;stroke:var(--tx-3)}
.search input{flex:1;background:none;border:0;color:var(--tx-1);font-size:14px;outline:none;min-width:0}
.search input::placeholder{color:var(--tx-3)}
.hot-words{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--tx-2)}
.hot-words__label{color:var(--tx-3);font-size:12px;letter-spacing:.08em;padding:3px 8px;border-radius:6px;background:rgba(255,255,255,.04)}
.hot-words a{position:relative;white-space:nowrap}
.hot-words a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--c-primary);transition:width .26s ease}
.hot-words a:hover::after, .hot-words a.is-active::after{width:100%}
.hot-words a.is-active{color:var(--c-primary)}
.header-cta{flex-shrink:0}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--tx-1);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.header-channels{max-height:60px;overflow:hidden;border-top:1px solid var(--line);transition:max-height .3s ease,opacity .3s ease}
.header-channels__inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.channel-nav{display:flex;align-items:center;gap:28px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{position:relative;padding:15px 0;font-size:14.5px;color:var(--tx-2);white-space:nowrap}
.channel-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--c-primary),rgba(45,225,255,0));opacity:0;transition:opacity .24s ease}
.channel-nav a:hover{color:var(--tx-1)}
.channel-nav a:hover::after{opacity:.5}
.channel-nav a.is-active{color:var(--tx-1);font-weight:600}
.channel-nav a.is-active::after{opacity:1}
.trend-link{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--c-accent);white-space:nowrap}
.trend-link:hover{color:var(--c-accent);filter:brightness(1.1)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(7,11,20,.98);padding:18px 0 24px}
.mobile-drawer.is-open{display:block}
.mobile-drawer .search{max-width:none;margin-bottom:16px}
.mobile-drawer .hot-words{flex-wrap:wrap;gap:10px;margin-bottom:20px}
.mobile-drawer__nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.mobile-drawer__nav a{padding:12px 2px;font-size:15px;color:var(--tx-2);border-bottom:1px solid var(--line)}
.mobile-drawer__nav a.is-active{color:var(--c-primary);font-weight:600}

/* ============ Hero ============ */
.cat-hero{position:relative;padding:56px 0 64px;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.28;filter:saturate(.85)}
.cat-hero__mask{position:absolute;inset:0;background:radial-gradient(700px 420px at 18% 30%,rgba(45,225,255,.20),transparent 66%),linear-gradient(180deg,rgba(7,11,20,.72) 0%,rgba(7,11,20,.94) 74%,#070B14 100%)}
.cat-hero__inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--tx-3);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--tx-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb i{font-style:normal;color:var(--tx-3);opacity:.6}
.cat-hero__grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:48px;align-items:center}
.cat-hero h1{font-size:44px;line-height:1.16;margin-bottom:18px}
.cat-hero h1 em{font-style:normal;color:var(--c-primary)}
.cat-hero__lead{font-size:16.5px;color:var(--tx-2);max-width:620px;line-height:1.85}
.hero-actions{display:flex;gap:14px;margin:28px 0 26px;flex-wrap:wrap}
.filter-chips{display:flex;gap:10px;flex-wrap:wrap}
.hero-visual{position:relative;border-radius:var(--r-shot);overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--sh-card);background:var(--bg-2)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-visual__tag{position:absolute;top:14px;left:14px;display:flex;gap:8px}
.hero-visual__foot{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;background:linear-gradient(180deg,transparent,rgba(7,11,20,.94));display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.hero-visual__foot strong{font-size:15px;display:block}
.hero-visual__foot small{color:var(--tx-3);font-size:12px}
.hero-visual__num{font-size:24px;color:var(--c-accent);font-weight:700}
.hero-metrics{display:flex;gap:34px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--line)}
.hero-metrics div{display:flex;flex-direction:column;gap:2px}
.hero-metrics b{font-size:22px;color:var(--tx-1)}
.hero-metrics span{font-size:12.5px;color:var(--tx-3);letter-spacing:.04em}

/* ============ 指标条 ============ */
.stat-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.stat{background:linear-gradient(180deg,rgba(18,27,46,.86),rgba(12,19,34,.86));padding:26px 24px}
.stat__value{font-size:30px;font-weight:700;color:var(--c-primary);display:flex;align-items:baseline;gap:5px}
.stat__value small{font-size:14px;color:var(--tx-3);font-weight:500}
.stat__label{margin-top:6px;font-size:13.5px;color:var(--tx-2)}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:6px}
.timeline::before{content:"";position:absolute;left:26px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,rgba(45,225,255,.6),rgba(45,225,255,.06))}
.tl-item{position:relative;padding:0 0 30px 74px}
.tl-item:last-child{padding-bottom:0}
.tl-node{position:absolute;left:17px;top:22px;width:20px;height:20px;border-radius:50%;background:var(--bg-0);border:2px solid var(--c-primary);box-shadow:0 0 0 5px rgba(45,225,255,.08)}
.tl-item--accent .tl-node{border-color:var(--c-accent);box-shadow:0 0 0 5px rgba(200,255,61,.09)}
.tl-card{background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-line);border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--sh-card);transition:border-color .26s ease,transform .26s ease}
.tl-card:hover{border-color:rgba(45,225,255,.35);transform:translateY(-3px)}
.tl-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.tl-time{font-size:13px;color:var(--c-accent);letter-spacing:.04em}
.tl-card h3{font-size:20px}
.tl-card p{color:var(--tx-2);font-size:15px}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}

/* ============ 问答式纵向流 ============ */
.qa-flow{display:flex;flex-direction:column;gap:18px}
.qa-card{display:grid;grid-template-columns:56px minmax(0,1fr);gap:22px;padding:26px;border-radius:var(--r-card);background:linear-gradient(180deg,rgba(18,27,46,.72),rgba(12,19,34,.6));border:1px solid var(--line);transition:border-color .26s ease,transform .26s ease,box-shadow .26s ease}
.qa-card:hover{border-color:rgba(45,225,255,.3);transform:translateY(-2px);box-shadow:var(--sh-card)}
.qa-card__idx{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-family:var(--mono);font-size:19px;font-weight:700;color:var(--c-accent);background:rgba(200,255,61,.08);border:1px solid rgba(200,255,61,.24)}
.qa-card__q{font-size:14px;color:var(--c-primary);letter-spacing:.03em;margin-bottom:8px}
.qa-card__title{font-size:19px;margin-bottom:10px}
.qa-card__body{color:var(--tx-2);font-size:15px;line-height:1.82}
.qa-card__metrics{display:flex;gap:22px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.qa-card__metrics div{font-size:13px;color:var(--tx-3)}
.qa-card__metrics b{display:block;font-family:var(--mono);font-size:19px;color:var(--tx-1);font-weight:700}

/* ============ 指标维度清单 ============ */
.metric-list{display:flex;flex-direction:column;gap:14px}
.metric{display:grid;grid-template-columns:88px minmax(0,1fr) 210px;gap:24px;align-items:center;padding:20px 24px;border-radius:var(--r-card);background:rgba(18,27,46,.5);border:1px solid var(--line);transition:all .26s ease}
.metric:hover{border-color:rgba(45,225,255,.32);background:rgba(18,27,46,.78)}
.metric__idx{font-size:26px;font-weight:700;color:var(--c-accent);opacity:.85}
.metric__main h3{font-size:18px;margin-bottom:6px}
.metric__main p{font-size:14px;color:var(--tx-2);line-height:1.7}
.metric__chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}

/* ============ 口碑条 ============ */
.quote-strip{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.quote-strip::-webkit-scrollbar{height:6px}
.quote-strip::-webkit-scrollbar-thumb{background:rgba(45,225,255,.28);border-radius:99px}
.quote{flex:0 0 330px;scroll-snap-align:start;background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-card)}
.quote__top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.quote__avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;border:1px solid rgba(45,225,255,.3)}
.quote__name{font-size:14.5px;font-weight:600}
.quote__role{font-size:12px;color:var(--tx-3)}
.quote__stars{margin-left:auto;color:var(--c-accent);font-size:13px;letter-spacing:2px}
.quote p{font-size:14.5px;color:var(--tx-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:960px}
.faq{background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--glass-line);border-radius:var(--r-card);overflow:hidden;transition:border-color .24s ease}
.faq[open]{border-color:rgba(45,225,255,.36)}
.faq summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-size:16.5px;font-weight:600;position:relative;transition:color .22s ease}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);transform:translateY(-70%) rotate(45deg);transition:transform .24s ease}
.faq[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq summary:hover{color:var(--c-primary)}
.faq__body{padding:0 24px 22px;color:var(--tx-2);font-size:15px;line-height:1.85;animation:faqIn .22s ease}
@keyframes faqIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}

/* ============ CTA ============ */
.cta-band{margin-top:8px;border-radius:24px;overflow:hidden;position:relative;border:1px solid var(--glass-line);background:linear-gradient(135deg,rgba(18,27,46,.92),rgba(12,19,34,.72));backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--sh-card)}
.cta-band__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.2}
.cta-band__mask{position:absolute;inset:0;background:radial-gradient(500px 320px at 88% 20%,rgba(255,107,53,.2),transparent 68%),linear-gradient(90deg,rgba(7,11,20,.94),rgba(7,11,20,.6))}
.cta-band__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:44px;align-items:center;padding:46px 46px}
.cta-band h2{font-size:30px;margin-bottom:14px}
.cta-band h2 span{color:var(--c-accent)}
.cta-band p{color:var(--tx-2);font-size:15.5px}
.subscribe{display:flex;gap:12px;flex-wrap:wrap}
.subscribe input{flex:1 1 240px;min-width:0;height:48px;padding:0 16px;border-radius:var(--r-input);background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--tx-1);font-size:15px;outline:none;transition:border-color .22s ease,background .22s ease}
.subscribe input::placeholder{color:var(--tx-3)}
.subscribe input:focus{border-color:var(--c-primary);background:rgba(45,225,255,.07)}
.form-note{margin-top:12px;font-size:12.5px;color:var(--tx-3)}

/* ============ 页脚 ============ */
.site-footer{position:relative;margin-top:96px;border-top:1px solid rgba(45,225,255,.22);background:linear-gradient(180deg,rgba(12,19,34,.9),rgba(7,11,20,.98))}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(45,225,255,.65),transparent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding:64px 0 40px}
.footer-brand__desc{color:var(--tx-2);font-size:14px;margin:18px 0 18px;max-width:420px;line-height:1.85}
.footer-brand__kw{display:flex;gap:8px;flex-wrap:wrap}
.footer-col h4{font-size:14px;letter-spacing:.06em;margin-bottom:18px;color:var(--tx-1)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--tx-2)}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:22px 0 30px;border-top:1px solid var(--line);font-size:13px;color:var(--tx-3)}
.footer-bottom__links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom__links a{color:var(--tx-3)}
.footer-bottom__links a:hover{color:var(--c-primary)}
.back-top{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(18,27,46,.86);border:1px solid var(--glass-line);backdrop-filter:blur(12px);color:var(--c-primary);opacity:0;pointer-events:none;transition:opacity .26s ease,transform .26s ease;z-index:70}
.back-top.is-show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-3px)}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  :root{--sp-sec:76px}
  .header-top__inner{gap:14px}
  .hot-words{display:none}
  .cat-hero__grid{grid-template-columns:1fr;gap:36px}
  .cat-hero h1{font-size:38px}
  .hero-visual{max-width:560px}
  .metric{grid-template-columns:64px minmax(0,1fr);gap:18px}
  .metric__chips{grid-column:2;justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:1024px){
  .search{display:none}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .cta-band__inner{grid-template-columns:1fr;gap:28px;padding:38px 32px}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  :root{--sp-sec:60px}
  .wrap{padding:0 18px}
  .cat-hero{padding:36px 0 44px}
  .cat-hero h1{font-size:31px}
  .cat-hero__lead{font-size:15.5px}
  .sec-title{font-size:24px}
  .sec-head{margin-bottom:28px}
  .footer-grid{grid-template-columns:1fr;padding:46px 0 30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .qa-card{grid-template-columns:1fr;gap:14px;padding:22px}
  .qa-card__idx{width:46px;height:46px;font-size:16px;border-radius:13px}
  .timeline::before{left:17px}
  .tl-item{padding-left:52px}
  .tl-node{left:8px;top:20px}
  .metric{grid-template-columns:1fr;gap:12px}
  .metric__idx{font-size:20px}
  .metric__chips{grid-column:1;justify-content:flex-start}
  .quote{flex:0 0 84%}
  .cta-band__inner{padding:30px 22px}
  .cta-band h2{font-size:23px}
  .hero-metrics{gap:22px}
}
@media (max-width:560px){
  .stat-bar{grid-template-columns:1fr}
  .logo__word span{display:none}
  .cat-hero h1{font-size:27px}
  .hero-actions .btn{flex:1 1 100%}
  .sec-title{font-size:22px}
}

/* roulang page: category4 */
/* ================= 设计变量 ================= */
:root{
  --bg-0:#070B14;
  --bg-1:#0C1322;
  --bg-2:#121B2E;
  --glass:rgba(18,27,46,.62);
  --glass-2:rgba(18,27,46,.82);
  --c-primary:#2DE1FF;
  --c-primary-deep:#0E9BBF;
  --c-accent:#C8FF3D;
  --c-cta:#FF6B35;
  --text:#EAF2FF;
  --text-2:#94A6C4;
  --text-3:#5C6E8C;
  --line:rgba(255,255,255,.08);
  --line-glow:rgba(45,225,255,.14);
  --line-glow-strong:rgba(45,225,255,.35);
  --r-card:16px;
  --r-shot:20px;
  --r-pill:999px;
  --r-input:12px;
  --shadow-card:0 8px 32px rgba(0,0,0,.45);
  --shadow-glow:0 10px 30px rgba(45,225,255,.28);
  --wrap:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ================= Reset / Base ================= */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(45,225,255,.10), transparent 62%),
    radial-gradient(900px 520px at 4% 12%, rgba(200,255,61,.06), transparent 60%),
    var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;color:var(--text);letter-spacing:.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;letter-spacing:.01em;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}

/* Foundation 覆盖 */
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x > .cell{padding-left:12px;padding-right:12px;}
.grid-padding-x > .cell{padding-left:12px;padding-right:12px;}
ul{list-style:none;}

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

/* ================= 通用按钮 / 标签 / 徽章 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;background:transparent;color:var(--text);
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease);
  white-space:nowrap;
}
.btn i{font-size:13px;}
.btn--primary-glow{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#04121A;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22),var(--shadow-glow);
}
.btn--primary-glow:hover{filter:brightness(1.08);transform:translateY(-2px);color:#04121A;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3),0 14px 38px rgba(45,225,255,.36);}
.btn--primary-glow:active{transform:translateY(0);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18),0 6px 16px rgba(45,225,255,.22);}
.btn--outline{
  border-color:var(--line-glow-strong);
  color:var(--text);
  background:rgba(18,27,46,.5);
}
.btn--outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.btn--cta{
  background:var(--glass-2);
  border-color:rgba(255,139,92,.42);
  color:#FFD9C7;
  padding:10px 20px;
  font-size:14px;
}
.btn--cta:hover{border-color:var(--c-cta);color:#FFB694;background:rgba(255,107,53,.12);}
.btn--ghost{border-color:var(--line);color:var(--text-2);font-weight:600;padding:10px 18px;}
.btn--ghost:hover{color:var(--c-primary);border-color:var(--line-glow-strong);}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--text-2);
  background:rgba(45,225,255,.07);
  border:1px solid var(--line-glow);
  transition:all .2s var(--ease);
}
.chip:hover{color:var(--text);border-color:var(--line-glow-strong);}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;
  color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.06em;
  background:rgba(200,255,61,.12);color:var(--c-accent);border:1px solid rgba(200,255,61,.3);
}
.badge--live{background:rgba(255,107,53,.14);color:#FFA37A;border-color:rgba(255,107,53,.36);}
.badge--live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-cta);box-shadow:0 0 0 4px rgba(255,107,53,.18);}

/* ================= 吸顶导航 ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-glow);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-stuck{background:rgba(7,11,20,.95);box-shadow:0 12px 34px rgba(0,0,0,.55);}
.header-top{padding:12px 0;transition:padding .28s var(--ease);}
.site-header.is-stuck .header-top{padding:6px 0;}
.header-top__inner{display:flex;align-items:center;gap:20px;}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  box-shadow:0 0 0 1px rgba(45,225,255,.35),0 6px 18px rgba(45,225,255,.22);
  flex:0 0 auto;
}
.logo__mark svg{width:22px;height:22px;}
.logo__word{display:flex;flex-direction:column;line-height:1.1;}
.logo__word b{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text);}
.logo__word span{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-3);}

.search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:330px;min-width:0;
  background:rgba(18,27,46,.72);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:0 6px 0 14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search:focus-within{border-color:var(--line-glow-strong);box-shadow:0 0 0 3px rgba(45,225,255,.10);}
.search i{color:var(--text-3);font-size:13px;}
.search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  color:var(--text);font-size:14px;padding:10px 10px;
}
.search input::placeholder{color:var(--text-3);}
.search button{
  border:0;background:rgba(45,225,255,.14);color:var(--c-primary);
  border-radius:8px;padding:6px 14px;font-size:13px;font-weight:700;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.search button:hover{background:rgba(45,225,255,.26);color:#04121A;}

.hot-words{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);flex:0 1 auto;overflow:hidden;}
.hot-words__label{
  font-size:11px;letter-spacing:.12em;color:var(--c-accent);
  border:1px solid rgba(200,255,61,.3);border-radius:var(--r-pill);
  padding:2px 8px;flex:0 0 auto;
}
.hot-words a{color:var(--text-2);position:relative;white-space:nowrap;}
.hot-words a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--c-primary);
  transition:width .25s var(--ease);
}
.hot-words a:hover::after{width:100%;}

.header-cta{flex:0 0 auto;}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(18,27,46,.7);
  flex:0 0 auto;
}
.nav-toggle span{display:block;height:2px;width:18px;margin:0 auto;background:var(--text-2);border-radius:2px;transition:all .25s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--c-primary);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--c-primary);}

.header-nav{border-top:1px solid var(--line);}
.header-nav__inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.header-nav__inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;
  padding:12px 16px;font-size:14px;font-weight:600;color:var(--text-2);
  transition:color .2s var(--ease);
}
.channel::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;border-radius:2px;
  background:transparent;transition:background .2s var(--ease);
}
.channel:hover{color:var(--text);}
.channel.is-active{color:var(--text);}
.channel.is-active::after{background:var(--c-primary);box-shadow:0 0 12px rgba(45,225,255,.7);}

.mobile-drawer{
  display:none;
  position:fixed;inset:64px 0 0 0;z-index:79;
  background:rgba(7,11,20,.97);
  backdrop-filter:blur(16px);
  padding:24px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .search{max-width:100%;margin-bottom:20px;}
.mobile-drawer__group{margin-bottom:22px;}
.mobile-drawer__group h4{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin-bottom:10px;}
.mobile-drawer__group a{display:block;padding:11px 0;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);}
.mobile-drawer__group a.is-active{color:var(--c-primary);}

/* ================= 分类 Hero ================= */
.cat-hero{
  position:relative;overflow:hidden;
  padding:56px 0 44px;
  border-bottom:1px solid var(--line);
}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,11,20,.72),rgba(7,11,20,.94)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.55;
}
.cat-hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 400px at 78% 18%, rgba(45,225,255,.20), transparent 68%),
    linear-gradient(90deg,rgba(7,11,20,.6),transparent 70%);
}
.cat-hero .wrap{position:relative;z-index:2;}

.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-3);margin-bottom:26px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb em{font-style:normal;color:var(--c-primary);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--c-accent);
  background:rgba(200,255,61,.09);
  border:1px solid rgba(200,255,61,.28);
  border-radius:var(--r-pill);
  padding:6px 15px;margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(30px,4vw,48px);
  line-height:1.18;
  margin-bottom:18px;
  max-width:16em;
}
.cat-hero__lead{
  font-size:16px;line-height:1.85;color:var(--text-2);
  max-width:40em;margin-bottom:26px;
}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:30px;padding-top:24px;border-top:1px solid var(--line);}
.hero-stat{display:flex;flex-direction:column;gap:2px;}
.hero-stat b{font-size:24px;font-weight:800;color:var(--c-primary);letter-spacing:.01em;}
.hero-stat span{font-size:12px;color:var(--text-3);letter-spacing:.04em;}

.hero-shot{
  position:relative;margin:0;
  border-radius:var(--r-shot);overflow:hidden;
  border:1px solid var(--line-glow);
  box-shadow:var(--shadow-card);
  aspect-ratio:9/16;
  background:var(--bg-2);
  max-width:340px;margin-left:auto;
}
.hero-shot img{width:100%;height:100%;object-fit:cover;}
.hero-shot__mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,.12),rgba(7,11,20,.88));}
.hero-shot__play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(45,225,255,.9);color:#04121A;font-size:20px;
  box-shadow:0 0 0 8px rgba(45,225,255,.16);
}
.hero-shot__meta{position:absolute;left:16px;right:16px;bottom:16px;}
.hero-shot__meta b{display:block;font-size:15px;margin-bottom:8px;}
.hero-shot__bar{height:5px;border-radius:3px;background:rgba(255,255,255,.16);overflow:hidden;}
.hero-shot__bar i{display:block;height:100%;width:76%;background:linear-gradient(90deg,var(--c-accent),var(--c-primary));}
.hero-shot__row{display:flex;justify-content:space-between;font-size:12px;color:var(--text-2);margin-top:8px;}

.filter-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.filter-chips .chip.is-on{color:#04121A;background:var(--c-primary);border-color:var(--c-primary);font-weight:700;}

/* ================= 板块 ================= */
.section{padding:76px 0;}
.section--alt{background:linear-gradient(180deg,rgba(12,19,34,.9),rgba(7,11,20,.4));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section__title{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.section__desc{font-size:15px;color:var(--text-2);max-width:44em;margin:0;}
.link-more{font-size:14px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.link-more i{transition:transform .22s var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ================= 图集 ================= */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:158px;gap:16px;}
.gallery__item{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--shadow-card);
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.gallery__item:hover{border-color:var(--line-glow-strong);transform:translateY(-4px);}
.gallery__item:hover img{transform:scale(1.05);}
.gallery__item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,0) 42%,rgba(7,11,20,.88));}
.gallery__item--big{grid-column:span 2;grid-row:span 2;}
.gallery__cap{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;}
.gallery__cap b{display:block;font-size:15px;font-weight:700;margin-bottom:3px;}
.gallery__cap em{font-style:normal;font-size:12px;color:var(--text-2);}
.gallery__item--big .gallery__cap b{font-size:19px;}

/* ================= 编号清单 ================= */
.reel-list{display:flex;flex-direction:column;gap:16px;}
.reel-item{
  display:grid;
  grid-template-columns:92px minmax(0,1fr) 232px;
  align-items:center;gap:26px;
  padding:22px 26px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:border-color .25s var(--ease),transform .25s var(--ease),background .25s var(--ease);
}
.reel-item:hover{border-color:var(--line-glow-strong);transform:translateY(-3px);background:rgba(18,27,46,.82);}
.reel-item__no{
  font-size:40px;font-weight:800;line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(200,255,61,.72);
  letter-spacing:.02em;
}
.reel-item__body h3{font-size:19px;margin-bottom:8px;}
.reel-item__body p{font-size:14.5px;color:var(--text-2);margin-bottom:12px;}
.reel-item__meta{display:flex;flex-wrap:wrap;gap:8px;}
.reel-item__media{
  position:relative;border-radius:12px;overflow:hidden;
  aspect-ratio:16/9;border:1px solid var(--line);
  background:var(--bg-2);
}
.reel-item__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.reel-item:hover .reel-item__media img{transform:scale(1.05);}
.play-icon{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;
  background:rgba(7,11,20,.62);color:var(--c-primary);
  border:1px solid var(--line-glow-strong);
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.reel-item:hover .play-icon{transform:translate(-50%,-50%) scale(1.12);background:rgba(45,225,255,.9);color:#04121A;}

/* ================= 热度榜 ================= */
.rank-strip{display:flex;flex-direction:column;gap:12px;}
.rank-row{
  display:grid;
  grid-template-columns:56px 1.4fr 2fr 116px;
  align-items:center;gap:20px;
  padding:18px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(90deg,rgba(45,225,255,.07),rgba(18,27,46,.5) 46%,rgba(18,27,46,.4));
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.rank-row:hover{border-color:var(--line-glow-strong);transform:translateX(4px);}
.rank-row__no{font-size:22px;font-weight:800;color:var(--c-accent);}
.rank-row__title b{display:block;font-size:16px;font-weight:700;margin-bottom:3px;}
.rank-row__title span{font-size:12.5px;color:var(--text-3);}
.rank-row__bar{height:7px;border-radius:4px;background:rgba(255,255,255,.09);overflow:hidden;}
.rank-row__bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));}
.rank-row__val{text-align:right;font-size:14px;font-weight:700;color:var(--c-primary);}
.rank-row__val small{display:block;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.04em;}

/* ================= 使用指引 ================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  padding:26px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.step:hover{border-color:var(--line-glow-strong);transform:translateY(-4px);}
.step__no{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.08em;
  color:var(--c-accent);
  border:1px solid rgba(200,255,61,.34);
  border-radius:var(--r-pill);
  padding:3px 12px;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--text-2);margin:0;}

/* ================= FAQ ================= */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq details{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .25s var(--ease);
}
.faq details[open]{border-color:var(--line-glow-strong);}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 24px;font-size:16px;font-weight:700;color:var(--text);
  transition:color .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--c-primary);}
.faq summary i{color:var(--c-primary);font-size:14px;transition:transform .22s var(--ease);flex:0 0 auto;}
.faq details[open] summary i{transform:rotate(45deg);}
.faq__body{padding:0 24px 22px;font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ================= CTA ================= */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;
  border:1px solid var(--line-glow);
  background:
    radial-gradient(620px 300px at 88% 0%, rgba(45,225,255,.16), transparent 66%),
    linear-gradient(120deg,rgba(18,27,46,.92),rgba(12,19,34,.72));
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:44px;
  box-shadow:var(--shadow-card);
}
.cta-band__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.cta-band p{font-size:15px;color:var(--text-2);margin:0;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 240px;min-width:0;
  padding:14px 18px;border-radius:var(--r-input);
  background:rgba(7,11,20,.72);
  border:1px solid var(--line);
  color:var(--text);font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{border-color:var(--line-glow-strong);box-shadow:0 0 0 3px rgba(45,225,255,.12);}
.cta-note{font-size:12.5px;color:var(--text-3);margin-top:14px;}

/* ================= 页脚 ================= */
.site-footer{
  margin-top:24px;
  border-top:1px solid var(--line-glow);
  background:linear-gradient(180deg,rgba(12,19,34,.9),rgba(7,11,20,.98));
  padding:60px 0 28px;
  box-shadow:0 -1px 26px rgba(45,225,255,.10);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand__desc{font-size:14px;color:var(--text-2);line-height:1.85;max-width:36em;margin-bottom:18px;}
.footer-brand__kw{display:flex;flex-wrap:wrap;gap:8px;}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:var(--text-3);margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--text-2);position:relative;}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom__links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom__links a{color:var(--text-3);}
.footer-bottom__links a:hover{color:var(--c-primary);}

/* ================= 返回顶部 ================= */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(18,27,46,.86);
  border:1px solid var(--line-glow-strong);
  color:var(--c-primary);
  backdrop-filter:blur(12px);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .28s var(--ease);
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(45,225,255,.18);transform:translateY(-3px);}

/* ================= 响应式 ================= */
@media screen and (max-width:1100px){
  .hot-words{display:none;}
  .reel-item{grid-template-columns:72px minmax(0,1fr) 190px;gap:20px;}
  .rank-row{grid-template-columns:48px 1.4fr 1.6fr 100px;}
}
@media screen and (max-width:1023px){
  .section{padding:64px 0;}
  .search{max-width:230px;}
  .cat-hero{padding:44px 0 36px;}
  .hero-shot{max-width:300px;margin:30px auto 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:900px){
  .header-top__inner .search{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
  .header-nav{display:none;}
  .reel-item{grid-template-columns:64px minmax(0,1fr);grid-template-areas:"no body" "media media";row-gap:16px;}
  .reel-item__no{grid-area:no;}
  .reel-item__body{grid-area:body;}
  .reel-item__media{grid-area:media;width:100%;}
  .rank-row{grid-template-columns:44px 1fr 92px;grid-template-areas:"no title val" "bar bar bar";row-gap:12px;}
  .rank-row__no{grid-area:no;}
  .rank-row__title{grid-area:title;}
  .rank-row__bar{grid-area:bar;}
  .rank-row__val{grid-area:val;}
}
@media screen and (max-width:767px){
  .wrap{padding:0 18px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero__lead{font-size:15px;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:132px;gap:12px;}
  .gallery__item--big{grid-column:span 2;grid-row:span 2;}
  .cta-band{padding:30px 22px;}
  .cta-band__grid{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-stats{gap:20px;}
}
@media screen and (max-width:560px){
  .section{padding:48px 0;}
  .steps{grid-template-columns:1fr;}
  .gallery{grid-template-columns:1fr;grid-auto-rows:190px;}
  .gallery__item--big{grid-column:span 1;grid-row:span 1;}
  .reel-item{padding:18px;}
  .reel-item__no{font-size:30px;-webkit-text-stroke-width:1.2px;}
  .cat-hero__actions .btn{flex:1 1 100%;}
  .logo__word span{display:none;}
  .footer-brand__kw{gap:6px;}
}