/* roulang page: index */
:root{
  --bg-0:#0B0C0E;
  --bg-1:#131519;
  --bg-2:#1B1E24;
  --primary:#C6F432;
  --primary-700:#9FD11C;
  --primary-soft:rgba(198,244,50,.14);
  --accent:#7A5CFF;
  --accent-soft:rgba(122,92,255,.16);
  --warn:#FF7A45;
  --warn-soft:rgba(255,122,69,.16);
  --ink:#F4F6F2;
  --ink-2:#A7AEB4;
  --ink-3:#6E767D;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --glow:0 12px 32px rgba(198,244,50,.18);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;--sp-7:96px;
  --max:1240px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--primary);color:#0B0C0E;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{padding:0 48px;}}

/* 顶部进度条 */
.progress-track{position:fixed;top:0;left:0;right:0;height:2px;background:transparent;z-index:120;}
#progressBar{height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .1s linear;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{
  background:rgba(11,12,14,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px rgba(0,0,0,.45);
}
.nav-inner{
  display:flex;align-items:center;gap:var(--sp-3);
  min-height:72px;
  padding:10px 20px;
  max-width:var(--max);margin:0 auto;
}
@media(min-width:768px){.nav-inner{padding:10px 32px;}}
@media(min-width:1280px){.nav-inner{padding:10px 48px;}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;place-items:center;
  color:#0B0C0E;font-weight:800;font-size:16px;
  box-shadow:0 6px 18px rgba(198,244,50,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;}
.nav-search{
  flex:1 1 auto;display:none;align-items:center;gap:8px;
  min-width:320px;max-width:560px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:8px 8px 8px 18px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
@media(min-width:1024px){.nav-search{display:flex;}}
.nav-search:hover{border-color:rgba(198,244,50,.4);}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft);}
.nav-search svg{flex:0 0 auto;color:var(--ink-3);}
.nav-search input{
  flex:1;background:transparent;border:0;outline:none;
  font-size:14px;padding:6px 0;
}
.nav-search input::placeholder{color:var(--ink-3);}
.kbd{
  font-size:11px;color:var(--ink-3);border:1px solid var(--line);
  border-radius:6px;padding:2px 7px;letter-spacing:.04em;
}
.search-btn{
  background:var(--primary);color:#0B0C0E;font-weight:700;font-size:14px;
  border-radius:var(--r-pill);padding:9px 20px;
  transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--primary-700);transform:translateY(-1px);}
.search-btn:active{transform:translateY(1px);}
.nav-links{display:none;align-items:center;gap:6px;margin-left:auto;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-links a{
  font-size:14px;color:var(--ink-2);padding:10px 12px;border-radius:10px;position:relative;white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.04);}
.nav-links a.active{color:var(--ink);}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.nav-cta{
  display:none;align-items:center;gap:8px;
  border:1px solid rgba(198,244,50,.5);color:var(--primary);
  font-size:14px;font-weight:600;border-radius:var(--r-pill);
  padding:9px 18px;transition:background .2s ease,color .2s ease,transform .2s ease;
}
@media(min-width:1024px){.nav-cta{display:inline-flex;}}
.nav-cta:hover{background:var(--primary);color:#0B0C0E;transform:translateY(-1px);}
.menu-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);
}
@media(min-width:1024px){.menu-toggle{display:none;}}
.mobile-search{display:block;padding:0 20px 14px;max-width:var(--max);margin:0 auto;}
@media(min-width:1024px){.mobile-search{display:none;}}
.mobile-search form{
  display:flex;align-items:center;gap:8px;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 6px 6px 16px;
}
.mobile-search input{flex:1;background:transparent;border:0;outline:none;font-size:14px;padding:8px 0;color:var(--ink);}
.mobile-search input::placeholder{color:var(--ink-3);}
.drawer{
  position:fixed;inset:0;z-index:130;background:rgba(11,12,14,.98);
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:24px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;}
.drawer nav{display:flex;flex-direction:column;gap:6px;}
.drawer nav a{
  padding:16px 14px;border-radius:var(--r-md);font-size:16px;color:var(--ink-2);
  border:1px solid transparent;
}
.drawer nav a:hover,.drawer nav a.active{background:var(--bg-2);border-color:var(--line);color:var(--ink);}
.drawer-foot{margin-top:auto;padding-top:24px;color:var(--ink-3);font-size:13px;}

/* Hero */
.hero{
  position:relative;min-height:78vh;display:flex;align-items:flex-end;
  background-image:linear-gradient(to top,#0B0C0E 0%,rgba(11,12,14,.65) 45%,rgba(11,12,14,.15) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:120px 0 56px;
  margin-top:-92px;
}
@media(max-width:767px){.hero{min-height:70vh;padding:110px 0 40px;}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:var(--sp-4);align-items:end;}
@media(min-width:1024px){.hero-grid{grid-template-columns:minmax(0,50%) 1fr;}}
.hero-copy{max-width:640px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  border:1px solid rgba(198,244,50,.28);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,5vw,54px);line-height:1.15;margin-bottom:18px;
  text-shadow:0 4px 24px rgba(0,0,0,.55);
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:16px;color:var(--ink-2);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;border-radius:var(--r-md);
  padding:13px 26px;transition:all .2s ease;min-height:44px;
}
.btn-primary{background:var(--primary);color:#0B0C0E;box-shadow:0 10px 26px rgba(198,244,50,.2);}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border:1px solid rgba(255,255,255,.24);color:var(--ink);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-text{color:var(--ink-2);padding:8px 0;font-weight:600;}
.btn-text:hover{color:var(--primary);}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--ink-2);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 14px;transition:all .2s ease;white-space:nowrap;
}
.chip:hover{border-color:rgba(198,244,50,.45);color:var(--ink);}
.chip.active{background:var(--primary-soft);border-color:rgba(198,244,50,.45);color:var(--primary);}
.hero-strip{display:flex;gap:12px;justify-content:flex-start;flex-wrap:wrap;}
@media(min-width:1024px){.hero-strip{justify-content:flex-end;}}
.hero-strip figure{
  margin:0;width:88px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);position:relative;background:var(--bg-2);
}
.hero-strip img{aspect-ratio:2/3;object-fit:cover;width:100%;}
.hero-strip figcaption{
  position:absolute;left:0;right:0;bottom:0;font-size:11px;color:var(--ink);
  background:linear-gradient(to top,rgba(11,12,14,.92),transparent);
  padding:12px 6px 6px;text-align:center;
}
@media(min-width:768px){.hero-strip figure{width:120px;}}

/* 通用板块 */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--bg-1);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:var(--sp-3);margin-bottom:var(--sp-4);flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,3.4vw,36px);}
.section-head p{color:var(--ink-2);font-size:14px;margin-top:8px;max-width:640px;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.18em;color:var(--primary);
  text-transform:uppercase;margin-bottom:10px;
}
.film-divider{
  height:10px;margin:0 0 var(--sp-4);
  background-image:radial-gradient(circle,rgba(255,255,255,.14) 2px,transparent 2px);
  background-size:16px 10px;background-position:center;
  opacity:.55;
}

/* 横滑片库 */
.scroller-wrap{position:relative;}
.hscroll{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;-ms-overflow-style:none;
}
.hscroll::-webkit-scrollbar{display:none;}
.hscroll .poster-card{scroll-snap-align:start;flex:0 0 180px;}
@media(min-width:768px){.hscroll .poster-card{flex:0 0 220px;}}
@media(min-width:1280px){.hscroll .poster-card{flex:0 0 240px;}}
.scroll-nav{display:flex;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink-2);
  background:var(--bg-2);transition:all .2s ease;
}
.icon-btn:hover{border-color:rgba(198,244,50,.5);color:var(--primary);transform:translateY(-2px);}
.scroll-bar{height:3px;border-radius:3px;background:var(--line);overflow:hidden;margin-top:4px;}
.scroll-bar span{display:block;height:100%;width:26%;background:var(--primary);border-radius:3px;transition:transform .2s ease;}

/* 海报卡片 */
.poster-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.poster-card:hover{transform:translateY(-4px);border-color:rgba(198,244,50,.45);box-shadow:var(--shadow-2),var(--glow);}
.poster-media{position:relative;overflow:hidden;background:var(--bg-1);}
.poster-media img{width:100%;aspect-ratio:2/3;object-fit:cover;transition:transform .35s ease;}
.poster-card:hover .poster-media img{transform:scale(1.04);}
.badge{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;
  border-radius:var(--r-sm);padding:4px 9px;line-height:1.4;
}
.badge-primary{background:var(--primary-soft);color:var(--primary);}
.badge-accent{background:var(--accent-soft);color:#B7A6FF;}
.badge-warn{background:var(--warn-soft);color:#FF9C74;}
.poster-media .badge{position:absolute;top:10px;right:10px;background:var(--warn);color:#2A1006;}
.poster-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:6px;flex:1;}
.poster-body h3{font-size:15px;font-weight:600;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.poster-body .meta{font-size:12px;color:var(--ink-3);display:flex;gap:8px;align-items:center;}

/* 网格 */
.grid-4{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
@media(min-width:768px){.grid-4{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}}
@media(min-width:1024px){.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:var(--sp-4);}

/* 片单分区 */
.mix-a{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:1024px){.mix-a{grid-template-columns:1.35fr 1fr;}}
.mix-a .feature{
  position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);min-height:340px;
  display:flex;align-items:flex-end;
}
.mix-a .feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.mix-a .feature .veil{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(11,12,14,.94) 0%,rgba(11,12,14,.45) 55%,rgba(11,12,14,.05) 100%);
}
.mix-a .feature .inner{position:relative;padding:28px;z-index:2;}
.mix-a .feature h3{font-size:24px;margin-bottom:10px;}
.mix-a .feature p{color:var(--ink-2);font-size:14px;max-width:440px;margin-bottom:16px;}
.mix-a .side{display:flex;flex-direction:column;gap:16px;}
.mini-row{
  display:flex;gap:16px;align-items:center;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:14px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.mini-row:hover{background:#22262E;border-color:rgba(198,244,50,.35);transform:translateX(4px);}
.mini-row img{width:64px;height:88px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.mini-row h4{font-size:15px;font-weight:600;margin-bottom:6px;}
.mini-row p{font-size:13px;color:var(--ink-3);line-height:1.6;}
.mix-b{display:grid;grid-template-columns:1fr;gap:20px;margin-top:24px;}
@media(min-width:768px){.mix-b{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.mix-b{grid-template-columns:1.1fr .9fr .9fr;}}
.tile{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.tile:hover{transform:translateY(-4px);border-color:rgba(198,244,50,.35);box-shadow:var(--shadow-1);}
.tile img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.tile .tile-body{padding:18px 20px 22px;}
.tile h3{font-size:17px;margin-bottom:8px;}
.tile p{font-size:14px;color:var(--ink-2);}
.tile .tagline{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap;}

/* 流程 */
.steps{display:grid;grid-template-columns:1fr;gap:20px;counter-reset:step;}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,minmax(0,1fr));}}
.step{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;position:relative;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:30px;font-weight:800;color:var(--primary);opacity:.9;display:block;margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--ink-2);}

/* 数据条 */
.stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;
  border:1px solid var(--line);border-radius:var(--r-xl);padding:26px;background:var(--bg-1);
}
@media(min-width:768px){.stats{grid-template-columns:repeat(4,minmax(0,1fr));}}
.stat b{display:block;font-size:clamp(22px,3vw,32px);color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat span{font-size:13px;color:var(--ink-2);}

/* 资讯列表 */
.news-layout{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:1024px){.news-layout{grid-template-columns:1.6fr .9fr;align-items:start;}}
.news-list{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:768px){.news-list{grid-template-columns:repeat(2,minmax(0,1fr));}}
.news-card{
  display:flex;gap:14px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:14px;transition:background .2s ease,border-color .2s ease;
}
.news-card:hover{background:#22262E;border-color:rgba(198,244,50,.28);}
.news-thumb{flex:0 0 auto;}
.news-thumb img{width:96px;height:64px;object-fit:cover;border-radius:10px;}
@media(min-width:768px){.news-thumb img{width:120px;height:80px;}}
.news-body{min-width:0;display:flex;flex-direction:column;gap:6px;}
.news-body h3{font-size:16px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a:hover{color:var(--primary);}
.news-body p{
  font-size:13px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);flex-wrap:wrap;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  padding:36px 24px;text-align:center;color:var(--ink-2);background:var(--bg-2);
}
.empty-state svg{color:var(--ink-3);margin-bottom:12px;}
.empty-state p{margin-bottom:16px;font-size:14px;}
.side-panel{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;display:flex;flex-direction:column;gap:16px;
}
.side-panel h3{font-size:16px;}
.side-list{display:flex;flex-direction:column;gap:12px;}
.side-list a{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--ink-2);padding:10px 0;border-bottom:1px dashed var(--line);}
.side-list a:last-child{border-bottom:0;}
.side-list a:hover{color:var(--primary);}
.side-list span{color:var(--ink-3);font-size:12px;font-variant-numeric:tabular-nums;}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq details{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:0 22px;transition:border-color .2s ease,background .2s ease;
}
.faq details[open]{border-color:rgba(198,244,50,.35);background:#1F232A;}
.faq summary{
  list-style:none;cursor:pointer;font-size:16px;font-weight:600;
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";color:var(--primary);font-size:22px;font-weight:400;line-height:1;flex:0 0 auto;
}
.faq details[open] summary::after{content:"−";}
.faq .answer{padding:0 0 20px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* CTA */
.cta-band{
  border:1px solid rgba(198,244,50,.35);border-radius:var(--r-xl);
  background:linear-gradient(120deg,rgba(198,244,50,.10),rgba(122,92,255,.12)),var(--bg-1);
  padding:40px 28px;display:grid;gap:24px;
}
@media(min-width:1024px){.cta-band{grid-template-columns:1.2fr .8fr;align-items:center;padding:48px;}}
.cta-band h2{font-size:clamp(22px,3vw,32px);margin-bottom:12px;}
.cta-band p{color:var(--ink-2);font-size:15px;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
.cta-form input{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);
  padding:15px 18px;outline:none;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--ink-3);}
.cta-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft);}
.cta-form .hint{font-size:12px;color:var(--ink-3);}
@media(min-width:768px){.cta-form{flex-direction:row;align-items:center;}.cta-form input{flex:1;}.cta-form .hint{width:100%;}}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:56px 0 28px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}}
.footer-brand p{color:var(--ink-2);font-size:14px;margin:16px 0 20px;max-width:320px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink-2);
}
.socials a:hover{border-color:rgba(198,244,50,.5);color:var(--primary);transform:translateY(-2px);}
.footer-col h3{font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--ink-2);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom a:hover{color:var(--primary);}
.skeleton{
  background:linear-gradient(90deg,var(--bg-2) 25%,#242830 50%,var(--bg-2) 75%);
  background-size:200% 100%;animation:shimmer 1.4s infinite;
}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;}}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#0B0C0E;
  --bg-1:#131519;
  --bg-2:#1B1E24;
  --primary:#C6F432;
  --primary-700:#9FD11C;
  --primary-soft:rgba(198,244,50,.14);
  --accent:#7A5CFF;
  --accent-soft:rgba(122,92,255,.16);
  --warn:#FF7A45;
  --warn-soft:rgba(255,122,69,.16);
  --ink:#F4F6F2;
  --ink-2:#A7AEB4;
  --ink-3:#6E767D;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.2);
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --radius-xl:28px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --shadow-glow:0 12px 32px rgba(198,244,50,.18);
  --container:1240px;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Roboto Mono",monospace;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,opacity .2s ease;}
ul,ol{padding-left:1.15em;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;font-weight:700;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1024px){.container{padding:0 48px;}}

/* ============ 顶部进度条 ============ */
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  z-index:120;transition:width .12s linear;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,12,14,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(11,12,14,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.header-inner{display:flex;align-items:center;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),#8FD400);
  color:#0B0C0E;font-weight:800;font-size:19px;letter-spacing:0;
  box-shadow:0 6px 18px rgba(198,244,50,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;}
.brand-sub{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);}

.nav-search{
  flex:1 1 auto;min-width:0;max-width:560px;
  display:flex;align-items:center;gap:8px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:5px 5px 5px 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:hover{border-color:rgba(198,244,50,.4);}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(198,244,50,.16);}
.nav-search .icon-search{flex:0 0 auto;color:var(--ink-3);}
.nav-search input{
  flex:1 1 auto;min-width:0;background:none;border:0;outline:none;
  font-size:14px;padding:9px 0;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search kbd{
  flex:0 0 auto;font-family:var(--font-mono);font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 7px;background:rgba(255,255,255,.03);
}
.search-btn{
  flex:0 0 auto;border:0;border-radius:var(--radius-pill);
  background:var(--primary);color:#0B0C0E;font-weight:700;font-size:14px;
  padding:9px 20px;transition:background-color .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--primary-700);transform:translateY(-1px);}
.search-btn:active{transform:translateY(0);}

.nav-links{display:flex;align-items:center;gap:22px;flex-shrink:0;}
.nav-links a{
  position:relative;font-size:14.5px;color:var(--ink-2);padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);}
.nav-links a.active::after{transform:scaleX(1);}

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

.mobile-search-bar{display:none;padding:0 20px 14px;}
.mobile-search-bar .nav-search{max-width:none;}

.drawer{
  position:fixed;inset:74px 0 0 0;z-index:99;
  background:rgba(11,12,14,.98);
  border-top:1px solid var(--line);
  padding:24px 20px 48px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease;
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:20px;}
.drawer-nav a{
  padding:15px 16px;border-radius:var(--radius);font-size:16px;color:var(--ink-2);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--bg-2);border-color:var(--line);color:var(--ink);}
.drawer-nav a.active{background:var(--primary-soft);border-color:rgba(198,244,50,.35);color:var(--ink);}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow:hidden;
  font-size:13px;color:var(--ink-3);padding:24px 0 0;
}
.breadcrumb a{color:var(--ink-2);white-space:nowrap;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--ink-3);opacity:.6;}
.breadcrumb .current{
  color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;
}

/* ============ 文章布局 ============ */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr);gap:48px;
  padding:24px 0 0;
}
@media (min-width:1024px){
  .article-shell{grid-template-columns:minmax(0,1fr) 320px;gap:56px;padding-top:32px;}
}
.article-main{min-width:0;}

.article-head{padding-bottom:8px;border-bottom:1px solid var(--line);}
.kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1.5;border-radius:var(--radius-sm);padding:4px 10px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);
}
.badge-primary{background:var(--primary-soft);border-color:rgba(198,244,50,.35);color:var(--primary);}
.badge-accent{background:var(--accent-soft);border-color:rgba(122,92,255,.4);color:#B6A6FF;}
.badge-warn{background:var(--warn-soft);border-color:rgba(255,122,69,.4);color:#FFAE8C;}
.article-head h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.2;font-weight:700;
  letter-spacing:.01em;margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--ink-3);
  margin-bottom:26px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block;}

.article-cover{
  margin:0 0 34px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ============ 正文排版 ============ */
.article-body{max-width:820px;font-size:16.5px;line-height:1.85;color:#E3E7E1;}
.article-body > * + *{margin-top:20px;}
.article-body h2{
  position:relative;font-size:clamp(21px,3vw,27px);line-height:1.35;
  margin:44px 0 4px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:3px;background:var(--primary);
}
.article-body h3{font-size:19px;font-weight:600;margin:32px 0 2px;color:var(--ink);}
.article-body h4{font-size:17px;font-weight:600;margin:26px 0 2px;color:var(--ink-2);}
.article-body p{color:#DCE0DA;}
.article-body ul,.article-body ol{padding-left:1.35em;color:#DCE0DA;}
.article-body li{margin:8px 0;}
.article-body li::marker{color:var(--primary);}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(198,244,50,.35);}
.article-body a:hover{color:var(--primary-700);border-bottom-color:var(--primary-700);}
.article-body strong{color:var(--ink);}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--primary);
  background:var(--bg-1);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-2);
}
.article-body blockquote p{color:var(--ink-2);margin:0;}
.article-body img{border-radius:var(--radius-lg);margin:26px auto;border:1px solid var(--line);}
.article-body figure{margin:26px 0;}
.article-body figure img{margin:0 0 10px;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;}
.article-body code{
  font-family:var(--font-mono);font-size:.9em;background:var(--bg-2);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;
}
.article-body pre{
  background:#0F1114;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;overflow:auto;font-size:14px;line-height:1.65;
}
.article-body pre code{background:none;border:0;padding:0;}
.article-body hr{border:0;border-top:1px dashed var(--line-strong);margin:36px 0;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;overflow:hidden;border-radius:var(--radius);}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--bg-2);font-weight:600;color:var(--ink);}
.article-body td{color:var(--ink-2);}

/* ============ 空态 ============ */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:18px;
  padding:64px 24px;border:1px dashed var(--line-strong);border-radius:var(--radius-lg);
  background:var(--bg-1);text-align:center;
}
.empty-state .empty-icon{
  width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-2);border:1px solid var(--line);color:var(--ink-3);
}
.empty-state p{color:var(--ink-2);font-size:15px;}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius);padding:12px 24px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-primary{background:var(--primary);color:#0B0C0E;box-shadow:0 8px 22px rgba(198,244,50,.2);}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.24);color:var(--ink);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-text{background:none;border:0;padding:0;color:var(--primary);font-weight:600;font-size:14px;}
.btn-text:hover{color:var(--primary-700);}
.btn-icon{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);
}
.btn-icon:hover{border-color:var(--primary);color:var(--primary);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 标签行 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:48px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row .label{font-size:13px;color:var(--ink-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;font-size:12.5px;padding:5px 13px;
  border-radius:var(--radius-pill);background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.tag:hover{border-color:rgba(198,244,50,.45);color:var(--primary);background:var(--primary-soft);}

/* ============ FAQ ============ */
.faq{max-width:820px;margin-top:56px;}
.section-head{margin-bottom:22px;}
.section-head .eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--primary);margin-bottom:10px;
}
.section-head h2{font-size:clamp(22px,3vw,30px);line-height:1.3;}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:10px;}
.faq-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,background-color .2s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.16);}
.faq-item.is-open{border-color:rgba(198,244,50,.4);background:var(--bg-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(198,244,50,.5);color:var(--primary);font-size:15px;line-height:1;
  transition:transform .25s ease,background-color .25s ease;
}
.faq-item.is-open .faq-icon{background:var(--primary-soft);transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 20px 20px;color:var(--ink-2);font-size:15px;line-height:1.8;}
.faq-item.is-open .faq-a{max-height:360px;}

/* ============ 相关推荐 ============ */
.related{margin-top:64px;}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  display:flex;flex-direction:column;background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.card:hover{
  transform:translateY(-3px);border-color:rgba(198,244,50,.45);
  box-shadow:var(--shadow-2),var(--shadow-glow);background:var(--bg-2);
}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .corner{
  position:absolute;top:12px;right:12px;font-size:12px;padding:3px 9px;border-radius:var(--radius-sm);
  background:rgba(11,12,14,.78);border:1px solid rgba(255,255,255,.14);color:var(--ink);
}
.card-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:16px;font-weight:600;line-height:1.5;}
.card-body p{font-size:13.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--ink-3);margin-top:auto;}

/* ============ 上一篇 / 下一篇 ============ */
.post-nav{display:grid;grid-template-columns:1fr;gap:14px;margin-top:48px;}
@media (min-width:640px){.post-nav{grid-template-columns:repeat(2,1fr);}}
.post-nav a{
  display:flex;flex-direction:column;gap:8px;padding:18px 20px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.post-nav a:hover{border-color:rgba(198,244,50,.45);background:var(--bg-2);transform:translateY(-2px);}
.post-nav .dir{font-size:12px;color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;}
.post-nav .ttl{font-size:15px;font-weight:600;color:var(--ink);}

.back-row{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ============ 侧栏 ============ */
.article-aside{display:grid;gap:24px;align-content:start;}
@media (min-width:1024px){
  .article-aside{position:sticky;top:98px;}
}
.aside-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;
}
.aside-card h3{
  font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--ink);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.aside-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary);}
.toc-list{list-style:none;padding:0;margin:0;display:grid;gap:2px;}
.toc-list li{margin:0;}
.toc-list a{
  display:block;font-size:13.5px;color:var(--ink-2);padding:7px 10px;
  border-left:2px solid var(--line);transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.toc-list a:hover,.toc-list a.is-current{color:var(--primary);border-left-color:var(--primary);background:rgba(255,255,255,.03);}
.toc-list a.lv3{padding-left:22px;font-size:13px;color:var(--ink-3);}
.hot-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.hot-list li{display:flex;gap:12px;align-items:flex-start;}
.hot-list .rank{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-weight:700;font-family:var(--font-mono);
  background:var(--bg-2);border:1px solid var(--line);color:var(--ink-3);
}
.hot-list li:nth-child(1) .rank,.hot-list li:nth-child(2) .rank,.hot-list li:nth-child(3) .rank{
  background:var(--primary-soft);border-color:rgba(198,244,50,.4);color:var(--primary);
}
.hot-list a{font-size:14px;color:var(--ink-2);line-height:1.6;}
.hot-list a:hover{color:var(--primary);}
.cat-links{display:grid;gap:8px;}
.cat-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--ink-2);padding:11px 14px;border-radius:var(--radius);
  background:var(--bg-2);border:1px solid var(--line);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.cat-links a:hover{border-color:rgba(122,92,255,.55);color:var(--ink);transform:translateX(3px);}
.cat-links a span:last-child{color:var(--ink-3);font-size:12px;}

/* ============ CTA 通栏 ============ */
.cta-band{
  margin-top:96px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:linear-gradient(120deg,rgba(11,12,14,.96) 12%,rgba(11,12,14,.78) 55%,rgba(11,12,14,.94) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-inner{
  display:grid;gap:24px;padding:72px 0;
}
@media (min-width:1024px){
  .cta-inner{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);align-items:center;gap:48px;padding:88px 0;}
}
.cta-inner h2{font-size:clamp(24px,3.4vw,36px);line-height:1.25;margin-bottom:14px;}
.cta-inner p{color:var(--ink-2);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}
@media (min-width:640px){.cta-actions{flex-direction:row;align-items:center;}}
.field{
  display:flex;align-items:center;gap:8px;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--radius);padding:4px 4px 4px 16px;flex:1 1 240px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(198,244,50,.14);}
.field input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;font-size:14px;padding:11px 0;color:var(--ink);}
.field input::placeholder{color:var(--ink-3);}
.form-note{font-size:12.5px;color:var(--ink-3);}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);margin-top:0;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--ink-2);max-width:340px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);
}
.socials a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.footer-col h3{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--ink);}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--ink-2);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-links{gap:16px;}
  .nav-links a{font-size:14px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .menu-btn{display:flex;}
  .nav-search{max-width:none;}
  .header-inner{gap:14px;}
}
@media (max-width:767px){
  .nav-search{display:none;}
  .mobile-search-bar{display:block;}
  .header-inner{height:64px;}
  .drawer{inset:64px 0 0 0;}
  .brand-sub{display:none;}
  .breadcrumb{padding-top:18px;}
  .article-body{font-size:15.5px;line-height:1.85;}
  .article-head h1{font-size:clamp(24px,6.2vw,32px);}
  .cta-inner{padding:56px 0;}
  .site-footer{padding:48px 0 24px;}
  .btn{padding:12px 20px;}
}
@media (max-width:480px){
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:17px;}
  .brand-name{font-size:15.5px;}
  .article-meta{gap:8px 16px;}
  .faq-q{font-size:15px;padding:16px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0B0C0E;
  --bg-1:#131519;
  --bg-2:#1B1E24;
  --primary:#C6F432;
  --primary-700:#9FD11C;
  --primary-soft:rgba(198,244,50,.14);
  --accent:#7A5CFF;
  --accent-soft:rgba(122,92,255,.16);
  --warn:#FF7A45;
  --warn-soft:rgba(255,122,69,.14);
  --ink:#F4F6F2;
  --ink-2:#A7AEB4;
  --ink-3:#6E767D;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --r-sm:8px;
  --r-btn:14px;
  --r-card:20px;
  --r-hero:28px;
  --r-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --shadow-glow:0 12px 32px rgba(198,244,50,.18);
  --container:1240px;
  --ease:.2s ease;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,12,14,.92);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(0,0,0,.4);
  backdrop-filter:blur(14px);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-700));
  color:#0B0C0E;font-weight:800;font-size:19px;
  box-shadow:0 6px 18px rgba(198,244,50,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;}
.search-wrap{
  position:relative;
  flex:1 1 auto;
  max-width:560px;
  min-width:280px;
}
.search{
  display:flex;align-items:center;gap:10px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:9px 10px 9px 18px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search:hover{border-color:rgba(198,244,50,.4);}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);}
.search svg{flex-shrink:0;color:var(--ink-3);}
.search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  font-size:14px;color:var(--ink);
}
.search input::placeholder{color:var(--ink-3);}
.search kbd{
  font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);
  border-radius:6px;padding:2px 7px;
  background:rgba(255,255,255,.03);
}
.search-btn{
  flex-shrink:0;
  background:var(--primary);color:#0B0C0E;
  font-size:13px;font-weight:700;
  border-radius:var(--r-pill);
  padding:7px 16px;
  transition:background var(--ease),transform var(--ease);
}
.search-btn:hover{background:var(--primary-700);}
.search-btn:active{transform:translateY(1px);}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-links a{
  position:relative;
  font-size:14px;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:2px;border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-cta{
  flex-shrink:0;
  font-size:14px;font-weight:600;
  color:var(--primary);
  border:1px solid rgba(198,244,50,.5);
  border-radius:var(--r-btn);
  padding:8px 18px;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.nav-cta:hover{background:var(--primary-soft);transform:translateY(-2px);}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  place-items:center;
  color:var(--ink);
}
.mobile-search{display:none;}
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(11,12,14,.97);
  backdrop-filter:blur(10px);
  transform:translateX(100%);
  transition:transform .3s ease;
  padding:24px 20px 40px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  display:grid;place-items:center;
}
.drawer .search{max-width:none;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin:26px 0;}
.drawer-nav a{
  font-size:18px;font-weight:600;
  padding:14px 4px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
}
.drawer-nav a.active,.drawer-nav a:hover{color:var(--primary);}
.drawer-note{font-size:13px;color:var(--ink-3);}

/* ---------- Breadcrumb ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--bg-1);}
.crumb{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-3);
  padding:14px 0;
  flex-wrap:wrap;
}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{color:var(--ink-3);opacity:.6;}
.crumb .current{color:var(--ink-2);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:64vh;
  display:flex;
  align-items:flex-end;
  padding:96px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  transform:scale(1.02);
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(to top,#0B0C0E 0%,rgba(11,12,14,.72) 45%,rgba(11,12,14,.28) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:end;width:100%;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;
  color:var(--primary);
  background:var(--primary-soft);
  border:1px solid rgba(198,244,50,.3);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,5vw,52px);
  line-height:1.15;
  max-width:16em;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{
  margin-top:20px;
  font-size:clamp(15px,1.6vw,17px);
  color:var(--ink-2);
  max-width:36em;
  line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-btn);
  padding:13px 26px;
  transition:transform var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),color var(--ease);
}
.btn-primary{background:var(--primary);color:#0B0C0E;box-shadow:0 10px 28px rgba(198,244,50,.2);}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-2px);box-shadow:0 14px 34px rgba(198,244,50,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(255,255,255,.24);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  font-size:12px;
  color:var(--ink-2);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  border-radius:var(--r-pill);
  padding:6px 14px;
}
.chip.is-accent{color:#CFC4FF;border-color:rgba(122,92,255,.42);background:var(--accent-soft);}
.chip.is-warn{color:#FFC7AD;border-color:rgba(255,122,69,.4);background:var(--warn-soft);}

/* Countdown */
.count-card{
  background:rgba(19,21,25,.9);
  border:1px solid var(--line);
  border-radius:var(--r-hero);
  padding:24px;
  box-shadow:var(--shadow-2);
  backdrop-filter:blur(8px);
}
.count-card h3{font-size:15px;font-weight:600;color:var(--ink-2);margin-bottom:6px;}
.count-title{font-size:20px;font-weight:700;margin-bottom:16px;}
.count-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.count-cell{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:12px 8px;
  text-align:center;
}
.count-cell b{display:block;font-size:24px;font-weight:700;color:var(--primary);}
.count-cell span{font-size:11px;color:var(--ink-3);letter-spacing:.1em;}
.count-foot{margin-top:16px;font-size:13px;color:var(--ink-3);}
.count-foot a{color:var(--primary);}
.count-foot a:hover{color:var(--primary-700);}

/* ---------- Sections ---------- */
section{position:relative;}
.section{padding:96px 0;}
.section.tight{padding:64px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,3.4vw,34px);}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:52em;}
.link-more{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--primary-700);gap:10px;}

.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:22px 0 6px;
  border-bottom:1px solid var(--line);
  margin-bottom:40px;
}
.chip-link{
  font-size:13px;
  color:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:8px 18px;
  background:var(--bg-1);
}
.chip-link:hover{border-color:rgba(198,244,50,.5);color:var(--ink);transform:translateY(-2px);}
.chip-link.active{background:var(--primary);color:#0B0C0E;border-color:var(--primary);font-weight:600;}

/* Poster wall */
.wall-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:22px;
}
.poster-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.poster-card:hover{
  transform:translateY(-4px);
  border-color:rgba(198,244,50,.45);
  box-shadow:var(--shadow-2),var(--shadow-glow);
}
.poster-thumb{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--bg-1);}
.poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.poster-card:hover .poster-thumb img{transform:scale(1.04);}
.poster-thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(11,12,14,.72) 0%,rgba(11,12,14,.05) 55%);
}
.badge{
  position:absolute;top:10px;right:10px;z-index:2;
  font-size:11px;font-weight:600;
  border-radius:var(--r-sm);
  padding:4px 9px;
  backdrop-filter:blur(4px);
}
.badge-lime{background:rgba(198,244,50,.92);color:#0B0C0E;}
.badge-purple{background:rgba(122,92,255,.9);color:#F1EEFF;}
.badge-warn{background:rgba(255,122,69,.92);color:#2A0E03;}
.poster-body{padding:16px 16px 18px;}
.poster-body h3{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.poster-body p{
  margin-top:8px;font-size:13px;color:var(--ink-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.poster-meta{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:12px;color:var(--ink-3);}
.dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);display:inline-block;}

/* Steps timeline */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative;}
.step{
  position:relative;
  padding:0 26px 0 0;
}
.step::before{
  content:"";
  position:absolute;left:0;top:22px;right:0;
  height:1px;background:var(--line);
}
.step:last-child::before{background:linear-gradient(to right,var(--line),transparent);}
.step-num{
  position:relative;z-index:2;
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--bg-1);
  border:1px solid rgba(198,244,50,.45);
  color:var(--primary);font-weight:700;
  margin-bottom:22px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.85;}
.step .tag-line{display:inline-block;margin-top:12px;font-size:12px;color:var(--ink-3);}

/* Check table */
.table-card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--bg-1);
}
.table-card table{width:100%;border-collapse:collapse;font-size:14px;}
.table-card thead th{
  text-align:left;
  font-size:12px;letter-spacing:.08em;
  color:var(--ink-3);
  font-weight:600;
  padding:16px 22px;
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
}
.table-card tbody td{
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
  vertical-align:top;
}
.table-card tbody tr:last-child td{border-bottom:0;}
.table-card tbody tr:hover{background:rgba(255,255,255,.02);}
.table-card tbody td strong{color:var(--ink);font-weight:600;}
.state-pill{
  display:inline-block;font-size:12px;
  border-radius:var(--r-pill);
  padding:4px 12px;
}
.state-ok{background:var(--primary-soft);color:#DFFBA0;}
.state-mid{background:var(--accent-soft);color:#CFC4FF;}
.state-low{background:var(--warn-soft);color:#FFC7AD;}

/* Split feature */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.split-media{
  border-radius:var(--r-hero);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  aspect-ratio:16/10;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.feature-list{margin-top:26px;display:grid;gap:18px;}
.feature-list li{display:flex;gap:14px;align-items:flex-start;}
.feature-ico{
  flex-shrink:0;width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);
}
.feature-list h4{font-size:16px;font-weight:600;}
.feature-list p{font-size:14px;color:var(--ink-2);margin-top:6px;line-height:1.8;}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item.open{border-color:rgba(198,244,50,.4);background:var(--bg-2);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  text-align:left;
  padding:20px 24px;
  font-size:16px;font-weight:600;
  color:var(--ink);
}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  color:var(--primary);
  border:1px solid rgba(198,244,50,.4);
  font-size:16px;line-height:1;
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .25s ease;
}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;color:var(--ink-2);line-height:1.85;
}

/* CTA band */
.cta-band{
  border:1px solid rgba(198,244,50,.28);
  border-radius:var(--r-hero);
  background:linear-gradient(135deg,rgba(198,244,50,.08),rgba(122,92,255,.12)),var(--bg-1);
  padding:56px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(24px,3.2vw,34px);}
.cta-band p{margin-top:14px;color:var(--ink-2);font-size:15px;max-width:40em;}
.subscribe{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap;}
.field{
  flex:1 1 220px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:14px 16px;
  font-size:14px;
  outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
  min-width:0;
}
.field::placeholder{color:var(--ink-3);}
.field:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);}
.field.is-error{border-color:var(--warn);}
.field.is-ok{border-color:var(--primary);}
.form-hint{font-size:13px;color:var(--ink-3);margin-top:12px;}
.form-hint.error{color:var(--warn);}
.form-hint.ok{color:var(--primary);}
.cta-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.stat{
  background:rgba(11,12,14,.55);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
}
.stat b{display:block;font-size:26px;font-weight:700;color:var(--primary);}
.stat span{font-size:13px;color:var(--ink-3);}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:10px;margin-top:48px;flex-wrap:wrap;}
.page-link{
  min-width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  gap:6px;
  padding:0 16px;
  font-size:14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  color:var(--ink-2);
  background:var(--bg-1);
}
.page-link:hover{border-color:var(--primary);color:var(--primary);}
.page-link.current{background:var(--primary);color:#0B0C0E;border-color:var(--primary);font-weight:700;}
.page-link.disabled{opacity:.45;pointer-events:none;}

/* Empty state */
.empty{
  grid-column:1/-1;
  text-align:center;
  padding:64px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  color:var(--ink-3);
}
.empty svg{color:var(--ink-3);margin:0 auto 16px;}
.empty p{font-size:15px;color:var(--ink-2);margin-bottom:20px;}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:72px 0 32px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{margin-top:20px;font-size:14px;color:var(--ink-2);max-width:32em;line-height:1.85;}
.socials{display:flex;gap:12px;margin-top:22px;}
.socials a{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  color:var(--ink-2);
}
.socials a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.footer-col h3{font-size:15px;margin-bottom:18px;}
.footer-col li+li{margin-top:10px;}
.footer-col a{font-size:14px;color:var(--ink-2);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:56px;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom a:hover{color:var(--primary);}

/* Loading skeleton */
.skeleton{
  background:linear-gradient(90deg,var(--bg-2) 0%,#23272E 50%,var(--bg-2) 100%);
  background-size:200% 100%;
  animation:shimmer 1.4s infinite linear;
  border-radius:var(--r-card);
}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .wall-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .hero-inner{grid-template-columns:minmax(0,1fr) 300px;gap:36px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .menu-toggle{display:grid;}
  .search-wrap{max-width:none;}
  .wall-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .hero{min-height:auto;padding:72px 0 56px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 24px;}
  .step{padding-right:16px;}
  .step::before{display:none;}
  .split{grid-template-columns:1fr;gap:36px;}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  .nav-inner{min-height:64px;gap:12px;}
  .brand-sub{display:none;}
  .search-wrap{display:none;}
  .mobile-search{display:block;padding:0 20px 14px;}
  .hero{padding:56px 0 48px;}
  .hero h1{font-size:clamp(28px,7vw,34px);}
  .hero-sub{font-size:15px;}
  .wall-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .poster-body{padding:14px 14px 16px;}
  .steps{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .table-card{overflow-x:auto;}
  .table-card table{min-width:620px;}
  .cta-band{padding:28px 22px;}
  .cta-stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{padding:56px 0 28px;}
  .faq-q{font-size:15px;padding:18px;}
  .faq-a p{padding:0 18px 18px;}
  .btn{padding:12px 20px;font-size:14px;}
}
@media (max-width:479px){
  .wall-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{justify-content:center;}
  .subscribe{flex-direction:column;}
  .subscribe .btn{justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: category2 */
:root{
  --bg-0:#0B0C0E;
  --bg-1:#131519;
  --bg-2:#1B1E24;
  --primary:#C6F432;
  --primary-700:#9FD11C;
  --primary-soft:rgba(198,244,50,.14);
  --accent:#7A5CFF;
  --accent-soft:rgba(122,92,255,.16);
  --warn:#FF7A45;
  --warn-soft:rgba(255,122,69,.15);
  --ink:#F4F6F2;
  --ink-2:#A7AEB4;
  --ink-3:#6E767D;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --shadow-glow:0 12px 32px rgba(198,244,50,.18);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --nums:"SF Pro Display","Inter",-apple-system,"PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
::selection{background:var(--primary);color:#0B0C0E}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 48px}}

/* ---------- 品牌 ---------- */
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#8FBE1F);
  color:#0B0C0E;font-weight:800;font-size:18px;
  font-family:var(--nums);letter-spacing:-.02em;
  box-shadow:0 6px 18px rgba(198,244,50,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--ink)}
.brand-sub{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);font-family:var(--nums)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(11,12,14,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  padding-top:14px;padding-bottom:14px;
  flex-wrap:wrap;
}
.nav-search{
  position:relative;
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;
  min-width:320px;max-width:560px;
  margin:0 auto;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:6px 6px 6px 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:hover{border-color:rgba(198,244,50,.4)}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px rgba(198,244,50,.18)}
.nav-search .search-ico{color:var(--ink-3);flex-shrink:0}
.nav-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  font-size:14px;padding:8px 0;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search kbd{
  font-family:var(--nums);font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;background:rgba(255,255,255,.03);
}
.search-btn{
  flex-shrink:0;
  background:var(--primary);color:#0B0C0E;
  font-weight:700;font-size:13px;
  border-radius:var(--r-pill);
  padding:8px 18px;
  transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--primary-700);transform:translateY(-1px)}
.search-btn:active{transform:translateY(0)}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  font-size:14px;color:var(--ink-2);
  padding:8px 10px;border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;
  height:2px;border-radius:2px;background:var(--primary);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);
  align-items:center;justify-content:center;
  color:var(--ink);
  margin-left:auto;
}
.nav-toggle:hover{border-color:rgba(198,244,50,.45)}

/* ---------- 面包屑 ---------- */
.breadcrumb{margin-bottom:22px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--ink-3);opacity:.6}
.breadcrumb a{color:var(--ink-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb li[aria-current]{color:var(--ink);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 区块通用 ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{margin-bottom:32px}
.section-head.row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);font-family:var(--nums);
  background:var(--primary-soft);
  border:1px solid rgba(198,244,50,.24);
  border-radius:var(--r-pill);
  padding:5px 12px;margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
h2.section-title{
  font-size:clamp(24px,3.4vw,36px);
  font-weight:700;line-height:1.25;letter-spacing:.01em;
}
.section-desc{margin-top:12px;color:var(--ink-2);font-size:15px;max-width:720px}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  padding:44px 0 56px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(to top,#0B0C0E 0%,rgba(11,12,14,.72) 45%,rgba(11,12,14,.2) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.85;
  z-index:-1;
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 340px at 12% 18%,rgba(122,92,255,.22),transparent 70%),
             radial-gradient(560px 300px at 88% 82%,rgba(198,244,50,.14),transparent 70%);
}
.page-hero-inner{max-width:860px}
.page-hero h1{
  font-size:clamp(30px,5vw,54px);
  font-weight:700;line-height:1.15;letter-spacing:.01em;
}
.page-hero .lead{
  margin-top:18px;
  font-size:15px;line-height:1.9;color:var(--ink-2);max-width:760px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;
}
.hero-stats li{
  font-size:12px;color:var(--ink-2);
  border:1px solid var(--line);
  background:rgba(19,21,25,.7);
  border-radius:var(--r-pill);
  padding:6px 14px;
  font-family:var(--nums);letter-spacing:.04em;
}
.hero-stats li b{color:var(--primary);font-weight:700;margin-right:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;
  border-radius:var(--r-md);
  padding:13px 24px;
  min-height:44px;
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--primary);color:#0B0C0E;box-shadow:0 8px 22px rgba(198,244,50,.18)}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:rgba(255,255,255,.24);color:var(--ink);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{color:var(--ink-2);padding:13px 8px}
.btn-ghost:hover{color:var(--primary)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-sm{padding:9px 18px;font-size:13px;min-height:38px}

/* ---------- 筛选 chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:9px 18px;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.chip:hover{color:var(--ink);border-color:rgba(198,244,50,.45);transform:translateY(-2px)}
.chip.is-active{
  color:#0B0C0E;background:var(--primary);border-color:var(--primary);font-weight:600;
}
.chip .cap{font-size:11px;font-family:var(--nums);color:inherit;opacity:.7}

/* ---------- 片库纵向列表（左图右文） ---------- */
.lib-list{display:flex;flex-direction:column;gap:20px}
.lib-item{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:24px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:18px;
  transition:border-color .25s ease,background .25s ease,transform .25s ease,box-shadow .25s ease;
}
.lib-item:hover{
  background:var(--bg-2);
  border-color:rgba(198,244,50,.45);
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.lib-thumb{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--bg-2);
}
.lib-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.lib-item:hover .lib-thumb img{transform:scale(1.04)}
.lib-badge{
  position:absolute;top:10px;left:10px;
  font-size:11px;font-weight:600;
  padding:3px 10px;border-radius:var(--r-sm);
  background:rgba(11,12,14,.78);
  color:var(--primary);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  font-family:var(--nums);letter-spacing:.04em;
}
.lib-badge.is-warn{color:var(--warn)}
.lib-body{display:flex;flex-direction:column;gap:10px;min-width:0}
.lib-body h3{font-size:19px;font-weight:600;line-height:1.4}
.lib-body p{color:var(--ink-2);font-size:14px;line-height:1.85;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lib-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);font-family:var(--nums)}
.tag{
  font-size:12px;font-family:var(--font);
  border-radius:var(--r-sm);
  padding:3px 10px;
  background:var(--accent-soft);color:#B7A6FF;
}
.tag.is-lime{background:var(--primary-soft);color:var(--primary)}
.tag.is-warn{background:var(--warn-soft);color:#FFA37A}
.lib-link{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--primary);
}
.lib-link svg{transition:transform .2s ease}
.lib-item:hover .lib-link svg{transform:translateX(4px)}

/* ---------- 分区排行 ---------- */
.rank-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.rank-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  transition:border-color .25s ease,background .25s ease,transform .25s ease;
}
.rank-card:hover{border-color:rgba(122,92,255,.5);background:var(--bg-2);transform:translateY(-2px)}
.rank-no{
  font-family:var(--nums);font-size:26px;font-weight:700;
  color:var(--primary);letter-spacing:-.02em;line-height:1;
}
.rank-card h3{margin-top:14px;font-size:16px;font-weight:600}
.rank-card .rank-desc{margin-top:8px;font-size:13px;color:var(--ink-2);line-height:1.75}
.rank-card .rank-state{
  margin-top:14px;display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--ink-3);font-family:var(--nums);
}
.rank-card .rank-state::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);
}

/* ---------- 横滑合辑 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:14px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.poster{
  flex:0 0 auto;
  width:232px;
  scroll-snap-align:start;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.poster:hover{border-color:rgba(198,244,50,.45);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.poster-img{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--bg-1)}
.poster-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.poster:hover .poster-img img{transform:scale(1.04)}
.poster-info{padding:14px 16px 18px}
.poster-info h3{font-size:15px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.poster-info .poster-sub{margin-top:6px;font-size:12px;color:var(--ink-3);font-family:var(--nums)}
.rail-nav{display:flex;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--ink-2);background:var(--bg-1);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--bg-2)}
.rail-progress{height:3px;border-radius:3px;background:var(--line);margin-top:6px;overflow:hidden}
.rail-progress span{display:block;height:100%;width:22%;background:var(--primary);border-radius:3px;transition:width .2s ease,transform .2s ease}

/* ---------- FAQ ---------- */
.faq{max-width:820px;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(198,244,50,.3)}
.faq-item.is-open{border-color:rgba(198,244,50,.45);background:var(--bg-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;font-size:16px;font-weight:600;
  padding:18px 22px;min-height:44px;
}
.faq-icon{position:relative;width:16px;height:16px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{top:7px;left:0;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a-inner{padding:0 22px 20px;color:var(--ink-2);font-size:15px;line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-xl);
  border:1px solid rgba(198,244,50,.28);
  background:linear-gradient(135deg,rgba(27,30,36,.96),rgba(19,21,25,.96));
  padding:40px 28px;
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:32px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,244,50,.18),transparent 70%);
}
.cta-band h2{font-size:clamp(24px,3.2vw,32px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:12px;color:var(--ink-2);font-size:15px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.cta-form input{
  flex:1 1 220px;min-width:0;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:14px 16px;
  font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--ink-3)}
.cta-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(198,244,50,.16)}
.cta-note{margin-top:12px;font-size:12px;color:var(--ink-3)}

/* ---------- 分页 ---------- */
.pagination{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:36px}
.pagination a,.pagination span{
  min-width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);
  font-family:var(--nums);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination .is-current{background:var(--primary);color:#0B0C0E;border-color:var(--primary);font-weight:700}
.pagination .is-disabled{opacity:.45;cursor:not-allowed}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:32px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-brand p{margin-top:16px;color:var(--ink-2);font-size:14px;line-height:1.8;max-width:320px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.socials a:hover{border-color:var(--primary);color:var(--primary);background:var(--bg-2)}
.footer-col h3{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom ul{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 状态 ---------- */
.state-empty{
  text-align:center;padding:48px 24px;
  border:1px dashed var(--line-2);border-radius:var(--r-lg);
  background:var(--bg-1);color:var(--ink-2);
}
.state-empty svg{color:var(--ink-3);margin-bottom:12px}
.state-empty p{font-size:14px;margin-bottom:18px}

/* ---------- 响应式 ---------- */
@media(max-width:1279px){
  .rank-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:1023px){
  .header-inner{gap:14px}
  .nav-search{max-width:100%;margin:0}
  .nav-links{flex-wrap:wrap}
  .lib-item{grid-template-columns:240px 1fr;gap:18px}
  .cta-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .rank-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;
    width:min(330px,88vw);
    background:var(--bg-1);
    border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;
    padding:88px 24px 32px;
    gap:6px;
    transform:translateX(105%);
    transition:transform .3s ease;
    z-index:70;
    overflow-y:auto;
    box-shadow:var(--shadow-2);
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{padding:14px 12px;font-size:15px;border-radius:12px}
  .nav-links a.active::after{left:12px;right:auto;width:22px;bottom:8px}
  .nav-search{order:3;flex:1 1 100%;min-width:0}
  .header-inner{padding-bottom:12px}
}
@media(max-width:767px){
  .page-hero{padding:28px 0 40px}
  .section{padding:56px 0}
  .lib-item{grid-template-columns:1fr;padding:14px}
  .lib-thumb{aspect-ratio:16/9}
  .poster{width:172px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1 / -1}
  .rank-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 20px;border-radius:var(--r-lg)}
}
@media(max-width:520px){
  .header-inner{gap:10px}
  .brand-sub{display:none}
  .search-btn{padding:8px 14px}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-form .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --bg-0:#0B0C0E;
  --bg-1:#131519;
  --bg-2:#1B1E24;
  --primary:#C6F432;
  --primary-700:#9FD11C;
  --primary-soft:rgba(198,244,50,.14);
  --accent:#7A5CFF;
  --accent-soft:rgba(122,92,255,.16);
  --warn:#FF7A45;
  --warn-soft:rgba(255,122,69,.16);
  --ink:#F4F6F2;
  --ink-2:#A7AEB4;
  --ink-3:#6E767D;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.24);
  --r-badge:8px;
  --r-btn:14px;
  --r-card:20px;
  --r-hero:28px;
  --r-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --glow:0 12px 32px rgba(198,244,50,.18);
  --container:1240px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"SF Mono","JetBrains Mono","Roboto Mono",ui-monospace,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(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s,opacity .2s}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary-soft);color:var(--ink)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 48px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-sm{padding:40px 0}
@media(min-width:1024px){.section-sm{padding:64px 0}}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 通用排版 ---------- */
h1{font-size:clamp(30px,5vw,54px);font-weight:700;line-height:1.15;letter-spacing:.01em}
h2{font-size:clamp(24px,3.4vw,36px);font-weight:700;line-height:1.25;letter-spacing:.01em}
h3{font-size:clamp(18px,2vw,21px);font-weight:600;line-height:1.4}
.lead{color:var(--ink-2);font-size:16px;line-height:1.85}
.muted{color:var(--ink-3);font-size:13px;line-height:1.6}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head .head-text{max-width:660px}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;line-height:1.75}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);font-family:var(--font-num)}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);display:inline-block}
.divider-film{height:14px;background-image:radial-gradient(circle,var(--line) 1.4px,transparent 1.5px);background-size:14px 14px;background-position:center;opacity:.7;margin:8px 0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  min-height:44px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s,background-color .2s,border-color .2s,color .2s,box-shadow .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#0B0C0E;box-shadow:0 6px 18px rgba(198,244,50,.16)}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-2px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink-2);padding:10px 14px}
.btn-ghost:hover{color:var(--ink)}
.btn-sm{padding:9px 16px;font-size:14px;min-height:40px}
.btn:disabled,.btn[disabled]{opacity:.45;pointer-events:none}
.btn-icon{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:var(--bg-2);display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);transition:all .2s;flex:0 0 auto;
}
.btn-icon:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-icon:active{transform:translateY(1px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;line-height:1.6;font-family:var(--font-num);letter-spacing:.04em;
}
.badge-primary{background:var(--primary-soft);color:var(--primary)}
.badge-accent{background:var(--accent-soft);color:#BBAEFF}
.badge-warn{background:var(--warn-soft);color:#FFB08C}
.badge-line{border:1px solid var(--line);color:var(--ink-2)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  transition:background-color .3s,box-shadow .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(11,12,14,.92);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-inner{display:flex;align-items:center;gap:20px;height:78px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-700));
  color:#0B0C0E;font-weight:800;font-size:18px;font-family:var(--font-num);
  box-shadow:0 6px 18px rgba(198,244,50,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.02em}
.brand-sub{font-size:10px;color:var(--ink-3);letter-spacing:.24em;text-transform:uppercase;font-family:var(--font-num)}
.nav-search{
  flex:1 1 auto;max-width:560px;min-width:0;
  display:flex;align-items:center;gap:10px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 6px 6px 16px;transition:border-color .2s,box-shadow .2s;
}
.nav-search:hover{border-color:rgba(198,244,50,.4)}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.nav-search svg{flex:0 0 auto;color:var(--ink-3)}
.nav-search input{
  flex:1 1 auto;min-width:0;background:none;border:0;outline:none;
  font-size:14px;color:var(--ink);padding:6px 0;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search kbd{
  font-family:var(--font-num);font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;flex:0 0 auto;
}
.nav-search .btn{padding:8px 16px;min-height:38px;font-size:14px;border-radius:var(--r-pill)}
.nav-links{display:none;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 12px;font-size:14px;color:var(--ink-2);
  border-bottom:2px solid transparent;white-space:nowrap;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink);border-bottom-color:var(--primary)}
.nav-cta{display:none;margin-left:6px}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg-2);color:var(--ink);margin-left:auto;flex:0 0 auto;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}
@media(min-width:1024px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .nav-toggle{display:none}
}
@media(max-width:767px){
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px}
  .brand{order:1}
  .nav-toggle{order:2}
  .nav-search{order:3;flex:1 0 100%;max-width:none}
  .nav-links{display:none}
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(11,12,14,.98);
  backdrop-filter:blur(8px);padding:20px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.drawer-nav a{
  padding:14px 16px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:var(--bg-1);font-size:15px;color:var(--ink-2);
}
.drawer-nav a.active{color:var(--primary);border-color:rgba(198,244,50,.4);background:var(--primary-soft)}
.drawer-nav a:hover{color:var(--ink)}
.drawer .nav-search{max-width:none;flex:0 0 auto}
@media(min-width:1024px){.drawer{display:none}}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(to top,#0B0C0E 4%,rgba(11,12,14,.72) 48%,rgba(11,12,14,.34) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero-inner{padding:36px 0 48px;max-width:820px}
@media(min-width:1024px){.page-hero-inner{padding:56px 0 76px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--ink-3);opacity:.7}
.breadcrumb .current{color:var(--ink);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{margin:14px 0 16px}
.page-hero .lead{max-width:720px;font-size:16px}
@media(min-width:1024px){.page-hero .lead{font-size:17px}}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- 筛选 chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);font-size:14px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);
  transition:all .2s;min-height:40px;
}
.chip:hover{border-color:rgba(198,244,50,.45);color:var(--ink);transform:translateY(-2px)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#0B0C0E;font-weight:600}
.chip.is-active:hover{background:var(--primary-700);color:#0B0C0E}

/* ---------- 数据条 ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(160deg,var(--bg-1),var(--bg-0));
  padding:24px;
}
@media(min-width:900px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat{display:flex;flex-direction:column;gap:6px}
.stat .value{font-family:var(--font-num);font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}
.stat .label{font-size:13px;color:var(--ink-2)}
.stat .sub{font-size:12px;color:var(--ink-3)}

/* ---------- 时间轴横滑 ---------- */
.timeline-wrap{position:relative;padding-top:26px}
.timeline-wrap::before{
  content:"";position:absolute;top:6px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(198,244,50,0),rgba(198,244,50,.55),rgba(122,92,255,.45),rgba(198,244,50,0));
}
.timeline-track{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 16px;scrollbar-width:none;-ms-overflow-style:none;
}
.timeline-track::-webkit-scrollbar{display:none}
.tl-step{
  position:relative;flex:0 0 auto;width:264px;scroll-snap-align:start;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s;
}
@media(min-width:1024px){.tl-step{width:300px}}
.tl-step:hover{transform:translateY(-4px);border-color:rgba(198,244,50,.45);box-shadow:var(--glow)}
.tl-step .tl-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.tl-step .tl-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.tl-step:hover .tl-media img{transform:scale(1.05)}
.tl-step .tl-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(11,12,14,.85),rgba(11,12,14,0) 65%);
}
.tl-time{
  position:absolute;left:12px;bottom:12px;z-index:2;
  font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.06em;
  background:rgba(11,12,14,.75);border:1px solid var(--line);
  color:var(--primary);border-radius:var(--r-badge);padding:3px 9px;
}
.tl-body{padding:16px 18px 20px}
.tl-body h3{font-size:17px;margin-bottom:8px}
.tl-body p{font-size:14px;color:var(--ink-2);line-height:1.75}
.tl-index{
  position:absolute;top:12px;right:12px;z-index:2;
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent-soft);color:#BBAEFF;font-size:12px;font-weight:700;font-family:var(--font-num);
}
.tl-head-actions{display:flex;gap:10px}

/* ---------- 画质档位卡 ---------- */
.grid-cards{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:640px){.grid-cards{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-cards.cols-4{grid-template-columns:repeat(4,1fr)}}
.spec-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:transform .3s,border-color .3s,box-shadow .3s,background-color .3s;
}
.spec-card:hover{transform:translateY(-4px);border-color:rgba(198,244,50,.45);box-shadow:var(--shadow-2);background:var(--bg-2)}
.spec-card .spec-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.spec-card h3{font-size:18px}
.spec-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.spec-card ul{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.spec-card li{display:flex;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7}
.spec-card li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:8px;border-radius:50%;
  background:var(--primary);opacity:.85;
}
.spec-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);flex:0 0 auto;
}
.note-line{
  margin-top:20px;display:flex;gap:10px;align-items:flex-start;
  border:1px dashed rgba(198,244,50,.3);background:rgba(198,244,50,.05);
  border-radius:var(--r-card);padding:14px 18px;font-size:13px;color:var(--ink-2);line-height:1.7;
}

/* ---------- 设备适配 ---------- */
.device-list{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.device-list{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.device-list{grid-template-columns:repeat(4,1fr)}}
.device-card{
  display:flex;gap:14px;align-items:flex-start;padding:20px;
  background:linear-gradient(150deg,var(--bg-1),var(--bg-0));
  border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .3s,transform .3s,box-shadow .3s;
}
.device-card:hover{border-color:rgba(122,92,255,.55);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.device-card .d-icon{
  width:42px;height:42px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
  background:var(--accent-soft);color:#BBAEFF;
}
.device-card h3{font-size:16px;margin-bottom:6px}
.device-card p{font-size:13px;color:var(--ink-2);line-height:1.75}

/* ---------- 内容卡片（示例位） ---------- */
.content-grid{display:grid;gap:18px;grid-template-columns:repeat(2,1fr)}
@media(min-width:1024px){.content-grid{grid-template-columns:repeat(4,1fr)}}
.content-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.content-card:hover{transform:translateY(-4px);border-color:rgba(198,244,50,.45);box-shadow:var(--shadow-2)}
.content-card .cc-media{aspect-ratio:2/3;overflow:hidden;background:var(--bg-2);position:relative}
.content-card .cc-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.content-card:hover .cc-media img{transform:scale(1.04)}
.content-card .cc-badge{position:absolute;top:10px;right:10px;z-index:2}
.content-card .cc-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px}
.content-card h3{font-size:15px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.content-card p{font-size:13px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.content-card .cc-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:var(--ink-3);font-family:var(--font-num)}

/* ---------- 分页 ---------- */
.pager{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:36px}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 16px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--bg-2);color:var(--ink-2);
  font-size:14px;font-family:var(--font-num);transition:all .2s;
}
.pager a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.pager .is-current{background:var(--primary);border-color:var(--primary);color:#0B0C0E;font-weight:700}
.pager .is-disabled{opacity:.45;pointer-events:none}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .25s,background-color .25s}
.faq-item:hover{border-color:rgba(198,244,50,.35)}
.faq-item[open]{border-color:rgba(198,244,50,.5);background:var(--bg-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);
  font-size:18px;font-weight:700;line-height:1;font-family:var(--font-num);
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-hero);
  border:1px solid rgba(198,244,50,.28);
  background:linear-gradient(135deg,rgba(198,244,50,.10),rgba(122,92,255,.12)),var(--bg-1);
  padding:36px 24px;
}
@media(min-width:1024px){.cta-band{padding:56px 56px}}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,244,50,.18),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:24px}
@media(min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.cta-inner h2{margin-bottom:10px}
.cta-inner p{color:var(--ink-2);font-size:15px;max-width:520px}
.subscribe-form{display:flex;flex-direction:column;gap:12px;width:100%;max-width:440px}
@media(min-width:520px){.subscribe-form{flex-direction:row;align-items:center}}
.subscribe-form input{
  flex:1 1 auto;min-width:0;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-btn);padding:14px 16px;font-size:15px;outline:none;
  transition:border-color .2s,box-shadow .2s;min-height:48px;
}
.subscribe-form input::placeholder{color:var(--ink-3)}
.subscribe-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.form-msg{font-size:13px;color:var(--primary);min-height:18px}
.form-msg.is-error{color:var(--warn)}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);margin-top:24px}
.footer-grid{
  display:grid;gap:32px;grid-template-columns:1fr;
  padding:48px 0 32px;
}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}}
.footer-brand p{color:var(--ink-2);font-size:14px;line-height:1.8;margin-top:16px;max-width:340px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--bg-2);color:var(--ink-2);transition:all .2s;
}
.socials a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--ink)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom .fb-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 图片占位 ---------- */
.img-ph{background:var(--bg-2);position:relative;overflow:hidden}
.img-ph::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.05) 50%,transparent 80%);
  animation:shimmer 1.6s linear infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* roulang page: category4 */
:root{
  --bg-0:#0B0C0E;
  --bg-1:#131519;
  --bg-2:#1B1E24;
  --bg-3:#232830;
  --primary:#C6F432;
  --primary-700:#9FD11C;
  --primary-soft:rgba(198,244,50,.14);
  --accent:#7A5CFF;
  --accent-soft:rgba(122,92,255,.16);
  --warn:#FF7A45;
  --warn-soft:rgba(255,122,69,.14);
  --ink:#F4F6F2;
  --ink-2:#A7AEB4;
  --ink-3:#6E767D;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --glow:0 12px 32px rgba(198,244,50,.18);
  --r-xs:8px;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --container:1240px;
  --gap:24px;
  --sec:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,opacity .2s ease;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
svg{display:block;}

::selection{background:var(--primary);color:#0B0C0E;}

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

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 顶部滚动进度条 ============ */
.scroll-progress{
  position:fixed;
  top:0;left:0;
  height:3px;
  width:0%;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  z-index:120;
  transition:width .1s linear;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
.site-header.is-stuck{
  background:rgba(11,12,14,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary),#7ddc2f);
  color:#0B0C0E;
  font-weight:800;
  font-size:18px;
  letter-spacing:0;
  box-shadow:0 6px 18px rgba(198,244,50,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:700;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.16em;text-transform:uppercase;}

.nav-search{
  flex:1 1 auto;
  min-width:280px;
  max-width:560px;
  display:flex;
  align-items:center;
  gap:8px;
  height:46px;
  padding:0 6px 0 16px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:hover{border-color:rgba(198,244,50,.4);}
.nav-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(198,244,50,.18);
  background:var(--bg-2);
}
.nav-search .s-icon{color:var(--ink-3);flex-shrink:0;}
.nav-search input{
  flex:1;
  min-width:0;
  height:100%;
  border:none;
  background:transparent;
  outline:none;
  font-size:14px;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search .kbd{
  font-size:11px;
  color:var(--ink-3);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 7px;
  flex-shrink:0;
}
.search-btn{
  height:34px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#0B0C0E;
  font-size:13px;
  font-weight:700;
  flex-shrink:0;
  transition:background-color .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--primary-700);transform:translateY(-1px);}
.search-btn:active{transform:translateY(1px);}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex-shrink:0;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14px;
  color:var(--ink-2);
  border-radius:8px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.04);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);font-weight:600;}

.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  color:var(--ink);
  align-items:center;justify-content:center;
  flex-shrink:0;
}
.menu-toggle:hover{border-color:rgba(198,244,50,.45);}

.mobile-row{
  display:none;
  padding:0 20px 14px;
}
.mobile-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:46px;
  padding:0 6px 0 16px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
}
.mobile-search input{
  flex:1;min-width:0;border:none;background:transparent;outline:none;font-size:14px;
}
.mobile-search input::placeholder{color:var(--ink-3);}

.drawer{
  position:fixed;
  inset:0;
  z-index:110;
  background:rgba(11,12,14,.97);
  backdrop-filter:blur(10px);
  padding:24px 20px 40px;
  display:none;
  flex-direction:column;
  gap:24px;
  overflow-y:auto;
}
.drawer.open{display:flex;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--line);color:var(--ink);
  display:grid;place-items:center;
}
.drawer-list{display:flex;flex-direction:column;gap:6px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;
  padding:0 16px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--bg-1);
  font-size:15px;
  color:var(--ink-2);
}
.drawer-list a.active{color:var(--ink);border-color:rgba(198,244,50,.5);background:var(--primary-soft);}
.drawer-list a:hover{color:var(--ink);border-color:rgba(198,244,50,.4);}
.drawer-note{font-size:13px;color:var(--ink-3);line-height:1.7;}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  transition:transform .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#0B0C0E;
  box-shadow:0 10px 26px rgba(198,244,50,.2);
}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid rgba(255,255,255,.24);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:13px;}
.btn-icon{
  width:40px;height:40px;padding:0;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--bg-1);
  color:var(--ink-2);
  display:grid;place-items:center;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
}
.btn-icon:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-icon:active{transform:translateY(1px);}
.btn:disabled,.btn-icon:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ============ 面包屑 ============ */
.crumbs{
  padding:26px 0 0;
  font-size:13px;
  color:var(--ink-3);
}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--ink-3);opacity:.7;}
.crumbs .current{color:var(--ink);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  margin-top:24px;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  background-image:linear-gradient(to top,#0B0C0E 6%,rgba(11,12,14,.72) 48%,rgba(11,12,14,.2) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  min-height:440px;
  display:flex;
  align-items:flex-end;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(120% 90% at 12% 100%,rgba(198,244,50,.16) 0%,transparent 55%);
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;
  z-index:2;
  padding:56px 48px 48px;
  max-width:820px;
}
.tags-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  font-size:12px;
  border-radius:var(--r-xs);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--ink-2);
}
.tag-primary{background:var(--primary-soft);border-color:rgba(198,244,50,.35);color:var(--primary);}
.tag-accent{background:var(--accent-soft);border-color:rgba(122,92,255,.4);color:#BDB0FF;}
.tag-warn{background:var(--warn-soft);border-color:rgba(255,122,69,.4);color:#FFA680;}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,50px);
  line-height:1.15;
  letter-spacing:.01em;
  margin-bottom:18px;
}
.cat-hero h1 em{
  font-style:normal;
  color:var(--primary);
}
.cat-hero .lead{
  font-size:16px;
  color:var(--ink-2);
  line-height:1.85;
  max-width:720px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:28px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.meta-item{display:flex;flex-direction:column;gap:2px;}
.meta-item .num{
  font-size:22px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.meta-item .lbl{font-size:12px;color:var(--ink-3);}

/* ============ 区块标题 ============ */
section{position:relative;}
.sec{padding:var(--sec) 0 0;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.sec-head h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.28;
}
.sec-head .sub{
  margin-top:10px;
  font-size:14px;
  color:var(--ink-2);
  max-width:640px;
}
.head-link{
  font-size:14px;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
  flex-shrink:0;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
}
.head-link:hover{border-color:var(--primary);}

/* ============ 筛选 chips ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--bg-1);
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink-2);
  font-size:13px;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
}
.chip:hover{border-color:rgba(198,244,50,.5);color:var(--ink);transform:translateY(-2px);}
.chip:active{transform:translateY(1px);}
.chip.is-on{
  background:var(--primary);
  border-color:var(--primary);
  color:#0B0C0E;
  font-weight:700;
}

/* ============ 大图专题 ============ */
.feature{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  overflow:hidden;
  background:var(--bg-1);
  box-shadow:var(--shadow-1);
}
.feature-media{
  position:relative;
  min-height:400px;
  overflow:hidden;
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  aspect-ratio:16/11;
  transition:transform .5s ease;
}
.feature:hover .feature-media img{transform:scale(1.04);}
.feature-media .badge-live{
  position:absolute;
  top:20px;left:20px;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;
  border-radius:var(--r-xs);
  background:var(--primary);
  color:#0B0C0E;
  font-size:12px;
  font-weight:700;
}
.feature-media .badge-time{
  position:absolute;
  bottom:20px;left:20px;
  padding:4px 10px;
  border-radius:var(--r-xs);
  background:rgba(11,12,14,.72);
  border:1px solid var(--line);
  font-size:12px;
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
}
.feature-body{
  padding:40px 36px;
  display:flex;
  flex-direction:column;
  gap:18px;
  justify-content:center;
}
.feature-body h3{
  font-size:clamp(20px,2.4vw,28px);
  line-height:1.35;
}
.feature-body .desc{font-size:15px;color:var(--ink-2);line-height:1.85;}
.feature-facts{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  padding:18px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.fact{display:flex;flex-direction:column;gap:4px;}
.fact .k{font-size:12px;color:var(--ink-3);}
.fact .v{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;}
.feature-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 小卡列表（混排） ============ */
.mix-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
  margin-top:24px;
}
.mini-card{
  display:grid;
  grid-template-columns:112px 1fr;
  gap:16px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--bg-1);
  transition:border-color .25s ease,background-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.mini-card:hover{
  border-color:rgba(198,244,50,.45);
  background:var(--bg-2);
  transform:translateY(-2px);
  box-shadow:var(--shadow-1);
}
.mini-card .thumb{
  width:112px;height:84px;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--bg-2);
}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.mini-card:hover .thumb img{transform:scale(1.06);}
.mini-card h4{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:6px;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mini-card p{
  font-size:13px;
  color:var(--ink-2);
  line-height:1.65;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:10px;
}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--ink-3);}

/* ============ 更新节奏 ============ */
.rhythm-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.rhythm-card{
  padding:26px 22px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,var(--bg-1),rgba(19,21,25,.55));
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rhythm-card:hover{transform:translateY(-3px);border-color:rgba(198,244,50,.4);box-shadow:var(--shadow-2);}
.rhythm-icon{
  width:44px;height:44px;
  border-radius:var(--r-md);
  display:grid;place-items:center;
  background:var(--primary-soft);
  color:var(--primary);
}
.rhythm-card h3{font-size:17px;font-weight:600;}
.rhythm-card p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.rhythm-card .step{
  font-size:12px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}

/* ============ 分页 ============ */
.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:48px;
}
.pager a,.pager span{
  min-width:42px;
  height:42px;
  padding:0 16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
}
.pager a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.pager .current{background:var(--primary);border-color:var(--primary);color:#0B0C0E;font-weight:700;}
.pager .dots{border-color:transparent;color:var(--ink-3);}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--bg-1);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,background-color .25s ease;
}
.faq-item:hover{border-color:rgba(198,244,50,.4);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}
.faq-q .mark{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  display:grid;place-items:center;
  color:var(--primary);
  border:1px solid rgba(198,244,50,.45);
  font-size:15px;
  line-height:1;
  transition:transform .25s ease,background-color .25s ease;
}
.faq-item.open{border-color:rgba(198,244,50,.5);background:var(--bg-2);}
.faq-item.open .mark{transform:rotate(45deg);background:var(--primary-soft);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease,padding .28s ease;
  padding:0 22px;
}
.faq-item.open .faq-a{max-height:340px;padding:0 22px 22px;}
.faq-a p{font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  margin-top:var(--sec);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(90% 140% at 8% 0%,rgba(198,244,50,.12) 0%,transparent 60%),
    radial-gradient(80% 120% at 100% 100%,rgba(122,92,255,.16) 0%,transparent 60%),
    var(--bg-1);
  padding:72px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
}
.cta-inner h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;margin-bottom:14px;}
.cta-inner .desc{font-size:15px;color:var(--ink-2);line-height:1.85;max-width:560px;}
.cta-form{
  display:flex;
  gap:12px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:rgba(11,12,14,.6);
}
.cta-form input{
  flex:1;
  min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--bg-2);
  outline:none;
  font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--ink-3);}
.cta-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(198,244,50,.16);}
.cta-form input.is-error{border-color:var(--warn);box-shadow:0 0 0 3px rgba(255,122,69,.16);}
.cta-form input.is-ok{border-color:var(--primary);}
.form-msg{margin-top:12px;font-size:13px;color:var(--ink-3);min-height:20px;}
.form-msg.error{color:#FFA680;}
.form-msg.ok{color:var(--primary);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sec);
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.85;max-width:340px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.socials a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  color:var(--ink);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:var(--ink-2);}
.footer-col li a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-3);
}
.footer-bottom a{color:var(--ink-3);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-links a{padding:8px 9px;font-size:13px;}
  .container{padding:0 28px;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .nav-search{min-width:200px;}
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .header-inner{height:68px;gap:14px;}
  .feature{grid-template-columns:1fr;}
  .feature-media{min-height:280px;}
  .feature-media img{aspect-ratio:16/9;}
  .mix-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rhythm-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:56px;--gap:16px;}
  .container{padding:0 20px;}
  .nav-search{display:none;}
  .mobile-row{display:block;padding-top:0;padding-bottom:14px;}
  .cat-hero{min-height:0;margin-top:16px;border-radius:var(--r-lg);}
  .cat-hero-inner{padding:32px 22px 28px;}
  .cat-hero h1{font-size:clamp(28px,8vw,36px);}
  .cat-hero .lead{font-size:15px;}
  .hero-meta{gap:16px 22px;}
  .meta-item .num{font-size:19px;}
  .mix-grid{grid-template-columns:1fr;}
  .rhythm-grid{grid-template-columns:1fr;}
  .feature-body{padding:28px 22px;}
  .feature-facts{grid-template-columns:1fr 1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-band{padding:52px 0;}
  .cta-form{flex-direction:column;padding:14px;}
  .cta-form .btn{width:100%;}
  .btn{width:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .mini-card{grid-template-columns:96px 1fr;}
  .mini-card .thumb{width:96px;height:74px;}
  .filter-bar{padding:12px;gap:8px;}
  .chip{height:34px;padding:0 14px;font-size:12px;}
  .footer-grid{grid-template-columns:1fr;}
  .feature-facts{grid-template-columns:1fr;}
  .crumbs{font-size:12px;}
}