/* roulang page: index */
:root{
  --bg-0:#08090A;
  --bg-1:#0E1011;
  --bg-2:#14171A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --ink-0:#F2F4F3;
  --ink-1:#A7AEAC;
  --ink-2:#6C7472;
  --brand:#C6FF3D;
  --brand-ink:#0A0C08;
  --accent:#FF6B4A;
  --cool:#4BD8C8;
  --r-1:4px;
  --r-2:8px;
  --r-3:12px;
  --r-4:16px;
  --r-5:24px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 26px 54px rgba(0,0,0,.55);
  --container:1280px;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Manrope",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg-0);
  color:var(--ink-0);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:var(--r-1);}
::selection{background:rgba(198,255,61,.28);color:#fff;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}
.section{padding:110px 0;position:relative;z-index:1;}
.section--tight{padding:80px 0;}
.section--band{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:2px;height:14px;background:var(--brand);display:block;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.section-title{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.2;font-weight:700;letter-spacing:-.01em;}
.section-desc{color:var(--ink-1);font-size:15px;margin-top:12px;max-width:640px;}
.ghost-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--ink-1);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.ghost-link i{transition:transform .28s var(--ease);}
.ghost-link:hover{color:var(--brand);border-bottom-color:rgba(198,255,61,.4);}
.ghost-link:hover i{transform:translateX(4px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-3);
  font-size:14px;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform .25s var(--ease),background-color .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:0 0 0 rgba(198,255,61,0);}
.btn-primary:hover{background:#d3ff63;color:var(--brand-ink);transform:translateY(-1px);box-shadow:0 0 24px rgba(198,255,61,.35);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{border:1px solid var(--line-strong);color:var(--ink-0);}
.btn-secondary:hover{background:rgba(255,255,255,.08);color:var(--ink-0);transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(1px);}
.btn-ghost{color:var(--ink-1);padding:0 4px;min-height:40px;}
.btn-ghost i{transition:transform .28s var(--ease);}
.btn-ghost:hover{color:var(--brand);}
.btn-ghost:hover i{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:11px;
  letter-spacing:.06em;
  padding:3px 10px;
  border-radius:var(--r-1);
  line-height:1.7;
}
.tag-brand{border:1px solid rgba(198,255,61,.45);color:var(--brand);background:transparent;}
.tag-muted{background:rgba(255,255,255,.06);color:var(--ink-1);}
.tag-hot{background:rgba(255,107,74,.14);color:var(--accent);}
.tag-cool{background:rgba(75,216,200,.12);color:var(--cool);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:72px;
  display:flex;
  align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,9,10,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  width:100%;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:var(--r-2);
  background:linear-gradient(135deg,var(--brand) 0%,#8fd41a 100%);
  position:relative;flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;background:var(--bg-0);border-radius:3px;
}
.brand-mark::before{
  content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;transform:translate(-50%,-50%);
  background:var(--brand);border-radius:50%;z-index:2;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--ink-0);}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;
  font-size:14px;
  color:var(--ink-1);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:100%;height:2px;background:var(--brand);
  transform:translateX(-50%) scaleX(0);transform-origin:center;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink-0);}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{transform:translateX(-50%) scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.cmd-search{
  display:flex;align-items:center;gap:10px;
  width:290px;height:40px;padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.cmd-search i{color:var(--ink-2);font-size:13px;}
.cmd-search input{
  flex:1;background:none;border:0;color:var(--ink-0);font-size:13px;outline:none;min-width:0;
}
.cmd-search input::placeholder{color:var(--ink-2);}
.cmd-key{
  font-size:11px;color:var(--ink-2);border:1px solid var(--line-strong);
  border-radius:var(--r-pill);padding:1px 7px;letter-spacing:.04em;
}
.cmd-search:focus-within{border-color:rgba(198,255,61,.4);box-shadow:0 0 0 3px rgba(198,255,61,.12);}
.icon-btn{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-1);transition:background-color .25s var(--ease),color .25s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--ink-0);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-2);align-items:center;justify-content:center;color:var(--ink-0);}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(8,9,10,.98);
  backdrop-filter:blur(10px);
  transform:translateX(100%);
  transition:transform .38s var(--ease);
  display:flex;flex-direction:column;
  padding:28px 24px 32px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px;}
.drawer-links{display:flex;flex-direction:column;gap:6px;flex:1;}
.drawer-links a{
  font-size:18px;font-weight:600;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink-0);
}
.drawer-links a.is-active{color:var(--brand);}
.drawer-foot{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.drawer-foot .btn{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;
  align-items:center;
  margin-top:-72px;
  padding:150px 0 90px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  z-index:0;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(8,9,10,.94) 0%,rgba(8,9,10,.72) 42%,rgba(8,9,10,.22) 78%,rgba(8,9,10,.35) 100%);
}
.hero-fade{
  position:absolute;left:0;right:0;bottom:0;height:220px;z-index:1;
  background:linear-gradient(180deg,rgba(8,9,10,0) 0%,rgba(8,9,10,.85) 62%,var(--bg-0) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.55fr);
  gap:56px;
  align-items:center;
}
.hero-title{
  font-size:clamp(2.4rem,5.5vw,4.25rem);
  line-height:1.08;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:22px;
}
.hero-title em{font-style:normal;color:var(--brand);}
.hero-sub{
  font-size:17px;line-height:1.85;color:var(--ink-1);max-width:620px;margin-bottom:34px;
}
.hero-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.hero-meta{
  display:flex;align-items:center;gap:0;flex-wrap:wrap;margin-top:52px;
  border-top:1px solid var(--line);padding-top:20px;max-width:760px;
}
.hero-meta a{
  font-size:13px;color:var(--ink-2);padding:0 20px;border-right:1px solid var(--line);
  transition:color .2s var(--ease);
}
.hero-meta a:first-child{padding-left:0;}
.hero-meta a:last-child{border-right:0;}
.hero-meta a:hover{color:var(--brand);}
.hero-cover{
  position:relative;
  border-radius:var(--r-5);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:3/4;
}
.hero-cover img{width:100%;height:100%;object-fit:cover;}
.hero-cover-badge{
  position:absolute;left:16px;bottom:16px;
  display:flex;flex-direction:column;gap:6px;
  padding:12px 14px;border-radius:var(--r-3);
  background:rgba(8,9,10,.78);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(8px);
}
.hero-cover-badge strong{font-size:13px;color:var(--ink-0);font-weight:600;}
.hero-cover-badge span{font-size:11px;color:var(--ink-2);letter-spacing:.06em;}

/* ---------- 横滑轨道 ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:8px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 220px;
  scroll-snap-align:start;
  border-radius:var(--r-4);
  background:var(--bg-2);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .38s var(--ease),border-color .38s var(--ease),box-shadow .38s var(--ease);
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);box-shadow:var(--shadow-hover);}
.rail-thumb{position:relative;aspect-ratio:1/1.4;overflow:hidden;background:var(--bg-1);}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--ease);}
.rail-card:hover .rail-thumb img{transform:scale(1.05);}
.rail-thumb .tag{position:absolute;left:12px;top:12px;background:rgba(8,9,10,.72);border:1px solid rgba(198,255,61,.45);color:var(--brand);}
.rail-body{padding:16px;border-top:1px solid var(--line);}
.rail-body h3{font-size:15px;line-height:1.4;font-weight:600;margin-bottom:8px;}
.rail-body p{font-size:13px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-arrow{
  position:absolute;top:38%;transform:translateY(-50%);
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(14,16,17,.9);border:1px solid var(--line-strong);color:var(--ink-0);
  z-index:3;opacity:0;transition:opacity .25s var(--ease),background-color .25s var(--ease);
}
.rail-wrap:hover .rail-arrow{opacity:1;}
.rail-arrow:hover{background:rgba(198,255,61,.16);color:var(--brand);}
.rail-arrow.prev{left:-16px;}
.rail-arrow.next{right:-16px;}

/* ---------- 非对称要点 ---------- */
.feature-large{
  position:relative;
  border-radius:var(--r-5);
  overflow:hidden;
  border:1px solid var(--line);
  min-height:420px;
  display:flex;
  align-items:flex-end;
  box-shadow:var(--shadow-card);
  transition:border-color .38s var(--ease),transform .38s var(--ease);
}
.feature-large:hover{border-color:rgba(198,255,61,.28);transform:translateY(-4px);}
.feature-large img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.feature-large::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(8,9,10,.15) 0%,rgba(8,9,10,.72) 58%,rgba(8,9,10,.95) 100%);
}
.feature-large-body{position:relative;z-index:2;padding:32px;}
.feature-large-body h3{font-size:clamp(1.25rem,2.2vw,1.7rem);line-height:1.3;font-weight:700;margin:14px 0 12px;}
.feature-large-body p{font-size:14px;color:var(--ink-1);line-height:1.8;max-width:520px;}
.rank-num{
  position:absolute;right:24px;top:14px;z-index:2;
  font-family:var(--font-num);font-size:88px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.22);
  letter-spacing:-.02em;
}
.side-stack{display:flex;flex-direction:column;gap:20px;}
.side-card{
  display:flex;gap:16px;
  padding:16px;
  border-radius:var(--r-4);
  background:var(--bg-2);
  border:1px solid var(--line);
  transition:transform .38s var(--ease),border-color .38s var(--ease);
}
.side-card:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);}
.side-thumb{
  flex:0 0 120px;aspect-ratio:16/10;border-radius:var(--r-2);overflow:hidden;background:var(--bg-1);
}
.side-thumb img{width:100%;height:100%;object-fit:cover;}
.side-body h3{font-size:15px;line-height:1.4;font-weight:600;margin:10px 0 8px;}
.side-body p{font-size:13px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-meta{font-size:12px;color:var(--ink-2);margin-top:10px;}

/* ---------- 数据条 ---------- */
.stats-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-4);overflow:hidden;
}
.stat-item{background:var(--bg-1);padding:26px 22px;}
.stat-num{
  font-family:var(--font-num);font-size:30px;font-weight:700;letter-spacing:-.02em;color:var(--ink-0);
  display:flex;align-items:baseline;gap:4px;
}
.stat-num i{font-style:normal;font-size:14px;color:var(--brand);}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:6px;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
  border-radius:var(--r-4);
  background:var(--bg-2);
  border:1px solid var(--line);
  overflow:hidden;
  transition:transform .38s var(--ease),border-color .38s var(--ease),box-shadow .38s var(--ease);
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);box-shadow:var(--shadow-hover);}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.05);}
.news-body{padding:18px 18px 16px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:16px;line-height:1.45;font-weight:600;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13.5px;line-height:1.7;color:var(--ink-1);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  flex:1;
}
.news-meta{
  display:flex;align-items:center;gap:8px;margin-top:16px;padding-top:14px;
  border-top:1px solid var(--line);font-size:12px;color:var(--ink-2);
}
.news-meta .arrow{margin-left:auto;color:var(--ink-2);transition:transform .28s var(--ease),color .28s var(--ease);}
.news-card:hover .news-meta .arrow{transform:translateX(4px);color:var(--brand);}
.empty-state{
  border:1px dashed rgba(255,255,255,.12);
  border-radius:var(--r-4);
  padding:56px 24px;
  text-align:center;
  color:var(--ink-2);
  grid-column:1/-1;
}
.empty-state i{font-size:32px;color:var(--ink-2);display:block;margin-bottom:16px;}
.empty-state strong{display:block;font-size:15px;color:var(--ink-0);font-weight:600;margin-bottom:6px;}
.empty-state span{font-size:13px;}

/* ---------- 分区海报行 ---------- */
.zone{padding:38px 0;border-top:1px solid var(--line);}
.zone:first-of-type{border-top:0;padding-top:0;}
.zone-head{display:flex;align-items:center;gap:18px;margin-bottom:24px;flex-wrap:wrap;}
.zone-num{
  font-family:var(--font-num);font-size:40px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.24);letter-spacing:-.02em;
}
.zone-title{font-size:1.25rem;line-height:1.35;font-weight:700;}
.zone-desc{font-size:13.5px;color:var(--ink-2);flex:1;min-width:220px;}
.zone-track{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.zone-track::-webkit-scrollbar{display:none;}
.poster-card{
  flex:0 0 200px;scroll-snap-align:start;
  border-radius:var(--r-4);overflow:hidden;background:var(--bg-2);
  border:1px solid var(--line);
  transition:transform .38s var(--ease),border-color .38s var(--ease);
}
.poster-card:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);}
.poster-thumb{aspect-ratio:3/4;overflow:hidden;background:var(--bg-1);position:relative;}
.poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--ease);}
.poster-card:hover .poster-thumb img{transform:scale(1.05);}
.poster-badge{position:absolute;left:10px;top:10px;}
.poster-body{padding:14px;border-top:1px solid var(--line);}
.poster-body h4{font-size:14px;line-height:1.45;font-weight:600;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.poster-body span{font-size:12px;color:var(--ink-2);}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:96px 0;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:120px;
  background:linear-gradient(180deg,rgba(198,255,61,.12),rgba(198,255,61,0));
  transform:skewX(-12deg) translateX(-40px);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:56px;align-items:center;
}
.cta-inner h2{font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.22;font-weight:700;margin-bottom:16px;}
.cta-inner p{font-size:15px;color:var(--ink-1);margin-bottom:30px;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.mini-posters{position:relative;height:280px;}
.mini-poster{
  position:absolute;width:150px;aspect-ratio:3/4;border-radius:var(--r-3);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow-card);
  transition:transform .38s var(--ease);
}
.mini-poster img{width:100%;height:100%;object-fit:cover;}
.mini-poster.p1{left:8%;top:30px;transform:rotate(-6deg);z-index:1;}
.mini-poster.p2{left:36%;top:0;transform:rotate(-2deg);z-index:3;}
.mini-poster.p3{left:62%;top:44px;transform:rotate(4deg);z-index:2;}
.mini-posters:hover .p1{transform:rotate(-9deg) translateY(-10px);}
.mini-posters:hover .p2{transform:rotate(0) translateY(-14px);}
.mini-posters:hover .p3{transform:rotate(7deg) translateY(-8px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-0);
  transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;position:relative;transition:transform .28s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-1);border-radius:2px;
}
.faq-icon::before{left:50%;top:4px;width:1.5px;height:14px;transform:translateX(-50%);}
.faq-icon::after{top:50%;left:4px;height:1.5px;width:14px;transform:translateY(-50%);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a p{font-size:15px;line-height:1.8;color:var(--ink-1);padding-bottom:24px;max-width:720px;}

/* ---------- 订阅 ---------- */
.subscribe{
  border:1px solid var(--line);border-radius:var(--r-5);background:var(--bg-2);
  padding:44px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;align-items:center;box-shadow:var(--shadow-card);
}
.subscribe h2{font-size:1.5rem;font-weight:700;margin-bottom:12px;line-height:1.3;}
.subscribe p{font-size:14px;color:var(--ink-1);}
.field-label{display:block;font-size:13px;color:var(--ink-1);margin-bottom:8px;}
.field-group{display:flex;gap:0;}
.field-group input{
  flex:1;height:48px;padding:0 16px;min-width:0;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-right:0;
  border-radius:var(--r-3) 0 0 var(--r-3);color:var(--ink-0);outline:none;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.field-group input::placeholder{color:var(--ink-2);}
.field-group input:focus{border-color:rgba(198,255,61,.5);box-shadow:0 0 0 3px rgba(198,255,61,.12);}
.field-group .btn{border-radius:0 var(--r-3) var(--r-3) 0;height:48px;}
.field-group.is-error input{border-color:var(--accent);}
.field-tip{font-size:12px;color:var(--ink-2);margin-top:10px;}
.field-error{font-size:12px;color:var(--accent);margin-top:10px;display:none;}
.field-error.is-show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-desc{font-size:13.5px;line-height:1.8;color:var(--ink-2);max-width:300px;}
.footer-social{display:flex;gap:10px;margin-top:22px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-2);font-size:14px;
  transition:color .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
}
.footer-social a:hover{color:var(--brand);border-color:rgba(198,255,61,.4);background:rgba(198,255,61,.06);}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:18px;color:var(--ink-0);letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col li{font-size:13.5px;color:var(--ink-2);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);padding:24px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-2);
}
.footer-bottom-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom-links a:hover{color:var(--brand);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .45s var(--ease),transform .45s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- 断点 ---------- */
@media screen and (max-width:1279px){
  .cmd-search{width:220px;}
  .nav-links{gap:20px;}
}
@media screen and (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:80px 0;}
  .nav-links,.cmd-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{min-height:78vh;padding:130px 0 70px;}
  .hero-inner{grid-template-columns:1fr;gap:0;}
  .hero-cover{display:none;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:44px;}
  .mini-posters{height:240px;}
  .subscribe{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media screen and (max-width:639px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  .section{padding:64px 0;}
  .site-header{height:60px;}
  .brand-sub{display:none;}
  .hero{min-height:76vh;padding:104px 0 56px;margin-top:-60px;}
  .hero-title{font-size:clamp(1.9rem,8vw,2.4rem);}
  .hero-sub{font-size:15px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{width:100%;}
  .hero-meta{margin-top:36px;gap:0;}
  .hero-meta a{padding:0 12px;font-size:12px;}
  .news-grid{grid-template-columns:1fr;}
  .stats-row{grid-template-columns:1fr;}
  .section-head{margin-bottom:30px;}
  .rail-card{flex:0 0 160px;}
  .poster-card{flex:0 0 160px;}
  .feature-large{min-height:320px;}
  .feature-large-body{padding:22px;}
  .rank-num{font-size:60px;right:16px;top:10px;}
  .side-card{flex-direction:column;}
  .side-thumb{flex:none;width:100%;aspect-ratio:16/9;}
  .mini-posters{height:200px;}
  .mini-poster{width:110px;}
  .mini-poster.p1{left:0;}
  .mini-poster.p2{left:32%;}
  .mini-poster.p3{left:62%;}
  .subscribe{padding:24px 20px;}
  .field-group{flex-direction:column;gap:12px;}
  .field-group input{border-right:1px solid var(--line);border-radius:var(--r-3);}
  .field-group .btn{border-radius:var(--r-3);width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-0:#08090A;
  --bg-1:#0E1011;
  --bg-2:#14171A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --ink-0:#F2F4F3;
  --ink-1:#A7AEAC;
  --ink-2:#6C7472;
  --brand:#C6FF3D;
  --brand-ink:#0A0C08;
  --accent:#FF6B4A;
  --cool:#4BD8C8;
  --r-xs:4px;
  --r-sm:8px;
  --r-btn:12px;
  --r-card:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --maxw:1280px;
  --readw:1120px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::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-0);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.container-read{max-width:var(--readw);}
.num{font-family:Inter,Manrope,-apple-system,sans-serif;letter-spacing:-.02em;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:var(--brand-ink);padding:10px 16px;border-radius:var(--r-btn);z-index:99;}
.skip-link:focus{left:16px;top:12px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,9,10,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand) 0 46%,rgba(198,255,61,.12) 46% 100%);
  border:1px solid rgba(198,255,61,.35);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 10px;
  background:var(--bg-0);
  clip-path:polygon(50% 0,100% 100%,0 100%);
  border-radius:1px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:16px;font-weight:700;color:var(--ink-0);}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:12px;flex:1 1 auto;}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-1);padding:6px 0;white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink-0);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.command-search{
  display:flex;align-items:center;gap:10px;
  width:300px;height:40px;padding:0 12px 0 14px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.command-search:focus-within{
  border-color:rgba(198,255,61,.4);
  box-shadow:0 0 0 3px rgba(198,255,61,.12);
}
.command-search i{color:var(--ink-2);font-size:13px;}
.command-search input{
  flex:1 1 auto;background:none;border:0;outline:none;font-size:13.5px;color:var(--ink-0);min-width:0;
}
.command-search input::placeholder{color:var(--ink-2);}
.kbd-hint{
  font-size:11px;color:var(--ink-2);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;letter-spacing:.04em;flex:0 0 auto;
}
.icon-btn{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-1);transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--ink-0);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-btn);align-items:center;justify-content:center;color:var(--ink-0);border:1px solid var(--line);}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),opacity .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:0 0 0 0 rgba(198,255,61,0);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 28px rgba(198,255,61,.22);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{border:1px solid var(--line-strong);color:var(--ink-0);background:transparent;}
.btn-secondary:hover{background:rgba(255,255,255,.08);border-color:var(--line-strong);}
.btn-ghost{padding:0;height:auto;color:var(--ink-1);background:none;font-weight:500;}
.btn-ghost i{transition:transform .2s var(--ease);}
.btn-ghost:hover{color:var(--brand);}
.btn-ghost:hover i{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.btn-sm{height:36px;padding:0 16px;font-size:13px;}

/* ---------- Article head ---------- */
.article-hero{
  position:relative;
  padding:56px 0 42px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(700px 320px at 12% -30%,rgba(198,255,61,.10),transparent 70%),
    var(--bg-0);
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(75,216,200,.10),transparent 68%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:12.5px;color:var(--ink-2);margin-bottom:26px;
}
.breadcrumb a{color:var(--ink-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;opacity:.72;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(198,255,61,.42);color:var(--brand);background:rgba(198,255,61,.05);
}
.article-title{
  font-size:clamp(1.8rem,3.4vw,2.6rem);
  line-height:1.25;
  margin:18px 0 16px;
  max-width:900px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.article-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:12.5px;color:var(--ink-2);
  padding-top:18px;border-top:1px solid var(--line);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-2);opacity:.6;}
.article-meta .cool{color:var(--cool);}

/* ---------- Layout ---------- */
.article-body{padding:64px 0 88px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start;}
.article-main{min-width:0;}

/* ---------- Entry content ---------- */
.entry-content{font-size:16.5px;line-height:1.9;color:#DDE2E0;}
.entry-content p{margin:0 0 1.5em;}
.entry-content h2{
  position:relative;font-size:clamp(1.35rem,2.1vw,1.7rem);line-height:1.3;
  margin:2.4em 0 .6em;padding-left:16px;color:var(--ink-0);
}
.entry-content h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;background:var(--brand);
}
.entry-content h3{font-size:1.25rem;line-height:1.35;margin:2em 0 .5em;color:var(--ink-0);}
.entry-content h4{font-size:1.05rem;margin:1.6em 0 .5em;color:var(--ink-0);}
.entry-content a{color:var(--brand);border-bottom:1px dashed rgba(198,255,61,.5);}
.entry-content a:hover{border-bottom-style:solid;}
.entry-content strong{color:#fff;}
.entry-content blockquote{
  margin:1.8em 0;padding:16px 22px;
  border-left:3px solid var(--brand);
  background:rgba(198,255,61,.04);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-1);
}
.entry-content blockquote p:last-child{margin-bottom:0;}
.entry-content ul,.entry-content ol{margin:0 0 1.5em;padding-left:4px;}
.entry-content li{position:relative;padding-left:24px;margin-bottom:.7em;}
.entry-content ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.entry-content ol{counter-reset:li;}
.entry-content ol > li{counter-increment:li;}
.entry-content ol > li::before{
  content:counter(li);position:absolute;left:0;top:.18em;
  font-family:Inter,Manrope,sans-serif;font-size:13px;font-weight:700;color:var(--brand);
}
.entry-content img{border-radius:var(--r-card);margin:1.6em 0 .6em;}
.entry-content figure{margin:1.8em 0;}
.entry-content figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:.4em;}
.entry-content table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:14.5px;}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.entry-content th{background:var(--bg-2);color:var(--ink-0);font-weight:600;}
.entry-content tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
.entry-content code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;background:var(--bg-2);border:1px solid var(--line);
  padding:2px 6px;border-radius:var(--r-xs);color:#CFE9A1;
}
.entry-content pre{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;overflow:auto;margin:1.8em 0;
}
.entry-content pre code{background:none;border:0;padding:0;color:#D6DEDA;font-size:14px;line-height:1.7;}
.entry-content hr{border:0;border-top:1px solid var(--line);margin:2.6em 0;}

/* Empty state */
.empty-state{
  border:1px dashed rgba(255,255,255,.12);border-radius:var(--r-card);
  padding:64px 28px;text-align:center;background:var(--bg-1);
}
.empty-state i{font-size:34px;color:var(--ink-2);}
.empty-state h2{font-size:1.2rem;margin:18px 0 8px;}
.empty-state p{font-size:13.5px;color:var(--ink-2);margin-bottom:22px;}

/* ---------- Article foot ---------- */
.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--line);}
.foot-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px;}
.tag-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.tag{
  font-size:11.5px;letter-spacing:.05em;padding:5px 11px;border-radius:var(--r-xs);
  background:rgba(255,255,255,.06);color:var(--ink-1);
}
.tag.is-hot{color:var(--accent);background:rgba(255,107,74,.10);}
.share-row{display:flex;align-items:center;gap:8px;}
.share-label{font-size:12.5px;color:var(--ink-2);margin-right:4px;}

/* ---------- Sidebar ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:0 1px 0 rgba(255,255,255,.03) inset;
}
.side-title{
  font-size:13px;letter-spacing:.08em;color:var(--ink-2);font-weight:600;
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-title::before{content:"";width:3px;height:12px;border-radius:2px;background:var(--brand);}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;font-size:13.5px;color:var(--ink-1);padding:7px 10px;border-radius:var(--r-sm);
  border-left:2px solid transparent;transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list a:hover,.toc-list a.is-current{color:var(--ink-0);background:rgba(255,255,255,.05);border-left-color:var(--brand);}
.toc-list a.lv3{padding-left:22px;font-size:13px;color:var(--ink-2);}
.toc-empty{font-size:13px;color:var(--ink-2);}
.mini-list li + li{border-top:1px solid var(--line);}
.mini-list a{
  display:flex;gap:10px;align-items:flex-start;padding:11px 0;font-size:13.5px;color:var(--ink-1);
  transition:color .2s var(--ease);
}
.mini-list a:hover{color:var(--brand);}
.mini-list .mk{font-family:Inter,sans-serif;font-size:12px;color:var(--brand);flex:0 0 auto;padding-top:2px;}
.cta-card{
  background:linear-gradient(160deg,rgba(198,255,61,.10),rgba(255,255,255,0) 62%),var(--bg-2);
  border:1px solid rgba(198,255,61,.22);
}
.cta-card h3{font-size:1.02rem;margin-bottom:8px;}
.cta-card p{font-size:13.5px;color:var(--ink-1);margin-bottom:16px;line-height:1.7;}

/* ---------- Related ---------- */
.related{padding:12px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:clamp(1.4rem,2.4vw,1.9rem);line-height:1.25;}
.section-head p{font-size:13.5px;color:var(--ink-2);margin:8px 0 0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.card{
  display:flex;flex-direction:column;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .38s var(--ease),border-color .38s var(--ease),box-shadow .38s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);box-shadow:var(--shadow),0 0 0 1px rgba(198,255,61,.10);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--ease);}
.card:hover .card-cover img{transform:scale(1.05);}
.card-cover .badge{
  position:absolute;left:12px;top:12px;font-size:11px;letter-spacing:.06em;
  padding:4px 9px;border-radius:var(--r-xs);background:rgba(8,9,10,.72);
  border:1px solid rgba(198,255,61,.35);color:var(--brand);backdrop-filter:blur(6px);
}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-title{font-size:16px;line-height:1.4;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-desc{font-size:13.5px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--ink-2);margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
}
.card-foot i{transition:transform .2s var(--ease);}
.card:hover .card-foot i{transform:translateX(4px);color:var(--brand);}

/* ---------- FAQ ---------- */
.faq-section{padding:88px 0 0;}
.faq-inner{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-0);
  min-height:42px;
}
.faq-q .fx{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-1);
  transition:transform .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease);
}
.faq-item.is-open .faq-q .fx{transform:rotate(45deg);color:var(--brand);border-color:rgba(198,255,61,.4);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a p{font-size:15px;color:var(--ink-1);line-height:1.8;padding-bottom:22px;margin:0;}

/* ---------- CTA band ---------- */
.cta-band{
  margin-top:96px;position:relative;overflow:hidden;
  background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;left:-60px;top:-40px;bottom:-40px;width:180px;
  background:linear-gradient(90deg,rgba(198,255,61,.12),rgba(198,255,61,0));
  transform:skewX(-14deg);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:24px 24px;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;padding:72px 0;}
.cta-inner h2{font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.2;margin-bottom:14px;}
.cta-inner p{color:var(--ink-1);font-size:15px;max-width:520px;margin-bottom:26px;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.poster-stack{position:relative;height:260px;}
.poster-stack img{
  position:absolute;width:150px;aspect-ratio:3/4;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
  transition:transform .38s var(--ease);
}
.poster-stack img:nth-child(1){left:4%;top:26px;transform:rotate(-6deg);}
.poster-stack img:nth-child(2){left:34%;top:0;transform:rotate(-2deg);z-index:2;}
.poster-stack img:nth-child(3){left:64%;top:34px;transform:rotate(4deg);}
.poster-stack:hover img:nth-child(1){transform:rotate(-8deg) translateY(-6px);}
.poster-stack:hover img:nth-child(2){transform:rotate(0deg) translateY(-8px);}
.poster-stack:hover img:nth-child(3){transform:rotate(6deg) translateY(-6px);}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);margin-top:0;position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-desc{font-size:13.5px;color:var(--ink-2);line-height:1.85;max-width:340px;margin-bottom:20px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-1);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.footer-social a:hover{background:rgba(198,255,61,.10);color:var(--brand);border-color:rgba(198,255,61,.32);}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--ink-0);margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;font-size:13.5px;color:var(--ink-2);}
.footer-col a{color:var(--ink-2);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-2);
}
.footer-bottom-links{display:flex;gap:20px;}
.footer-bottom-links a{color:var(--ink-2);}
.footer-bottom-links a:hover{color:var(--brand);}

/* ---------- Mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(8,9,10,.97);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transform:translateX(100%);transition:transform .34s var(--ease);
  display:flex;flex-direction:column;padding:24px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;}
.drawer-links a{
  font-size:18px;font-weight:600;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink-1);
}
.drawer-links a.is-active,.drawer-links a:hover{color:var(--brand);}
.drawer-foot{display:flex;flex-direction:column;gap:12px;padding-top:24px;}
.drawer-foot .btn{width:100%;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- Breakpoints ---------- */
@media (max-width:1439px){
  .article-grid{gap:44px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .command-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{height:60px;gap:16px;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:56px 0;}
  .poster-stack{height:220px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .article-hero{padding:36px 0 30px;}
  .article-body{padding:44px 0 64px;}
  .breadcrumb .current{max-width:180px;}
  .faq-section{padding:64px 0 0;}
  .cta-band{margin-top:64px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .brand-sub{display:none;}
  .article-title{font-size:clamp(1.5rem,6vw,1.9rem);}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .poster-stack{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .entry-content{font-size:16px;}
  .entry-content h2{font-size:1.25rem;}
  .article-foot .foot-row{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
  .card:hover{transform:none;}
  .card:hover .card-cover img{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-0:#08090A;
  --bg-1:#0E1011;
  --bg-2:#14171A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --ink-0:#F2F4F3;
  --ink-1:#A7AEAC;
  --ink-2:#6C7472;
  --brand:#C6FF3D;
  --brand-ink:#0A0C08;
  --accent:#FF6B4A;
  --cool:#4BD8C8;
  --r-sm:4px;
  --r-md:8px;
  --r-btn:12px;
  --r-card:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45),inset 0 0 0 1px rgba(255,255,255,.06);
  --container:1280px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Manrope","Segoe UI",-apple-system,"PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg-0);
  color:var(--ink-0);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
  z-index:0;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
::selection{background:rgba(198,255,61,.28);color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.section{padding:104px 0;position:relative;z-index:1;}
.section-tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.12em;color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:2px;height:14px;background:var(--brand);display:inline-block;}
.h1{font-size:clamp(2.2rem,4.6vw,3.7rem);line-height:1.1;font-weight:700;letter-spacing:-.01em;}
.h2{font-size:clamp(1.55rem,2.8vw,2.3rem);line-height:1.2;font-weight:700;letter-spacing:-.01em;}
.h3{font-size:1.22rem;line-height:1.35;font-weight:600;}
.lead{font-size:16.5px;line-height:1.85;color:var(--ink-1);max-width:640px;}
.muted{color:var(--ink-2);font-size:13px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),filter .24s var(--ease);
}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:0 0 0 1px rgba(198,255,61,.3),0 10px 26px rgba(198,255,61,.16);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(198,255,61,.5),0 14px 34px rgba(198,255,61,.26);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-secondary{background:transparent;color:var(--ink-0);border-color:var(--line-strong);}
.btn-secondary:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-sm{height:40px;padding:0 18px;font-size:13.5px;}
.ghost-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-1);transition:color .2s var(--ease);}
.ghost-link i{transition:transform .24s var(--ease);font-size:12px;}
.ghost-link:hover{color:var(--brand);}
.ghost-link:hover i{transform:translateX(4px);}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:50%;
  color:var(--ink-1);border:0;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--ink-0);}
.icon-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(8,9,10,.55);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,9,10,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:30px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--brand);position:relative;
  box-shadow:0 0 0 1px rgba(198,255,61,.3),0 0 22px rgba(198,255,61,.22);
}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:3px;background:var(--bg-0);}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-main{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--ink-0);}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-2);}
.nav-links{display:flex;align-items:center;gap:28px;margin:0 auto 0 0;padding:0;}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-1);padding:6px 0;
  transition:color .2s var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:center;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink-0);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:2px;}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.command-search{
  display:flex;align-items:center;gap:9px;width:284px;height:40px;padding:0 12px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.command-search i{font-size:13px;color:var(--ink-2);}
.command-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  font-size:13.5px;color:var(--ink-0);
}
.command-search input::placeholder{color:var(--ink-2);}
.command-search:focus-within{
  border-color:rgba(198,255,61,.4);
  box-shadow:0 0 0 3px rgba(198,255,61,.12);
  background:rgba(255,255,255,.07);
}
.kbd{
  font-family:var(--font-num);font-size:11px;color:var(--ink-2);
  border:1px solid var(--line-strong);border-radius:var(--r-sm);padding:1px 6px;line-height:1.5;
}
.menu-toggle{display:none;width:40px;height:40px;border-radius:var(--r-md);color:var(--ink-0);}
.menu-toggle:hover{background:rgba(255,255,255,.06);}
.menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,380px);
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .34s var(--ease);
  z-index:220;display:flex;flex-direction:column;padding:24px 22px 28px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-nav a{
  font-size:17px;font-weight:500;color:var(--ink-1);padding:14px 4px;
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-nav a:hover{color:var(--ink-0);padding-left:10px;}
.drawer-nav a.is-active{color:var(--brand);}
.drawer-foot{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.drawer-foot .command-search{width:100%;}
.drawer-foot .btn{width:100%;}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(0,0,0,.62);opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:210;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;min-height:440px;display:flex;align-items:flex-end;
  padding:96px 0 64px;
  background-image:
    linear-gradient(90deg,rgba(8,9,10,.95) 0%,rgba(8,9,10,.74) 46%,rgba(8,9,10,.34) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:150px;
  background:linear-gradient(to bottom,rgba(8,9,10,0),var(--bg-0));
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-2);margin-bottom:20px;flex-wrap:wrap;}
.crumbs a:hover{color:var(--ink-0);}
.crumbs i{font-size:9px;opacity:.7;}
.crumbs .current{color:rgba(242,244,243,.6);}
.hero-desc{margin-top:20px;font-size:16.5px;line-height:1.85;color:var(--ink-1);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;margin-top:44px;border-top:1px solid var(--line);
}
.hero-meta a{
  padding:18px 24px 4px 0;
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:4px;
  transition:padding-left .24s var(--ease);
}
.hero-meta a:last-child{border-right:0;}
.hero-meta a:hover{padding-left:8px;}
.hero-meta .meta-title{font-size:13.5px;color:var(--ink-0);font-weight:600;}
.hero-meta .meta-sub{font-size:12.5px;color:var(--ink-2);}

/* ---------- 筛选条 ---------- */
.filter-band{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.filter-inner{display:flex;align-items:center;gap:22px;padding:22px 0;flex-wrap:wrap;}
.filter-label{font-size:12.5px;letter-spacing:.08em;color:var(--ink-2);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-1);background:transparent;
  border:1px solid var(--line-strong);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{color:var(--ink-0);border-color:rgba(255,255,255,.3);}
.chip.is-active{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);font-weight:600;}
.chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- 数据与特征 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:28px;}
.stat-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow);
}
.stat-num{font-family:var(--font-num);font-size:clamp(2rem,4vw,2.9rem);font-weight:700;letter-spacing:-.02em;color:var(--brand);line-height:1;}
.stat-unit{font-size:13px;color:var(--ink-2);margin-left:6px;letter-spacing:.02em;}
.stat-text{margin-top:14px;font-size:14px;color:var(--ink-1);line-height:1.8;}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.feature{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;transition:transform .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease);
}
.feature:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);box-shadow:0 18px 40px rgba(0,0,0,.45),0 0 0 1px rgba(198,255,61,.18);}
.feature-icon{
  width:42px;height:42px;border-radius:var(--r-md);display:grid;place-items:center;
  background:rgba(198,255,61,.1);color:var(--brand);font-size:16px;margin-bottom:18px;
}
.feature h3{font-size:16px;font-weight:600;margin-bottom:10px;}
.feature p{font-size:14px;color:var(--ink-1);line-height:1.8;}

/* ---------- 卡片 ---------- */
.entry-grid{margin:0 -10px;}
.entry-grid > .cell{padding:0 10px;margin-bottom:20px;}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .38s var(--ease),border-color .38s var(--ease),box-shadow .38s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);box-shadow:0 18px 40px rgba(0,0,0,.5),0 0 0 1px rgba(198,255,61,.2);}
.card:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--ease);}
.card:hover .card-media img{transform:scale(1.05);}
.card-media::after{content:"";position:absolute;inset:auto 0 0 0;height:56%;background:linear-gradient(to bottom,rgba(8,9,10,0),rgba(8,9,10,.72));}
.card-badge{position:absolute;left:14px;top:14px;z-index:2;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:16px;font-weight:600;line-height:1.4;}
.card-text{font-size:13.5px;color:var(--ink-1);line-height:1.75;flex:1;}
.card-foot{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-2);}
.card-foot i{font-size:12px;transition:transform .24s var(--ease),color .24s var(--ease);}
.card:hover .card-foot i{transform:translateX(4px);color:var(--brand);}

.tag{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:var(--r-sm);font-size:11px;letter-spacing:.06em;line-height:1;}
.tag-brand{border:1px solid rgba(198,255,61,.42);color:var(--brand);background:rgba(198,255,61,.08);}
.tag-muted{background:rgba(255,255,255,.07);color:var(--ink-1);border:1px solid transparent;}
.tag-hot{background:rgba(255,107,74,.14);color:var(--accent);border:1px solid transparent;}

/* ---------- 步骤 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  position:relative;background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px 24px 26px;overflow:hidden;
  transition:border-color .34s var(--ease),transform .34s var(--ease);
}
.step:hover{border-color:rgba(198,255,61,.24);transform:translateY(-3px);}
.step-num{
  font-family:var(--font-num);font-size:44px;font-weight:700;letter-spacing:-.03em;
  color:rgba(255,255,255,.13);line-height:1;margin-bottom:16px;display:block;
}
.step h3{font-size:16px;font-weight:600;margin-bottom:10px;}
.step p{font-size:13.8px;color:var(--ink-1);line-height:1.8;}
.step::after{content:"";position:absolute;left:24px;bottom:0;width:0;height:2px;background:var(--brand);transition:width .34s var(--ease);}
.step:hover::after{width:52px;}

/* ---------- 图文区 ---------- */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;}
.split-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/3;background:var(--bg-1);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.check-list{margin-top:26px;display:flex;flex-direction:column;}
.check-item{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.check-item:first-child{border-top:1px solid var(--line);}
.check-item i{color:var(--brand);font-size:14px;margin-top:7px;}
.check-item strong{display:block;font-size:15px;font-weight:600;margin-bottom:3px;}
.check-item span{font-size:13.5px;color:var(--ink-1);line-height:1.75;display:block;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:60px 56px;
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;left:-30px;top:-30%;width:120px;height:170%;
  background:linear-gradient(180deg,rgba(198,255,61,.12),rgba(198,255,61,0));
  transform:skewX(-12deg);pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap;z-index:2;}
.cta-copy{max-width:560px;}
.cta-copy h2{font-size:clamp(1.6rem,2.6vw,2.2rem);line-height:1.2;font-weight:700;letter-spacing:-.01em;}
.cta-copy p{margin-top:16px;color:var(--ink-1);font-size:15px;line-height:1.8;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:28px;}
.poster-stack{position:relative;width:280px;height:180px;flex-shrink:0;}
.poster-stack img{
  position:absolute;width:112px;height:158px;object-fit:cover;border-radius:var(--r-md);
  border:1px solid var(--line-strong);box-shadow:0 18px 34px rgba(0,0,0,.55);
  transition:transform .4s var(--ease);
}
.poster-stack img:nth-child(1){left:0;top:12px;transform:rotate(-6deg);}
.poster-stack img:nth-child(2){left:78px;top:2px;transform:rotate(-2deg);z-index:2;}
.poster-stack img:nth-child(3){left:156px;top:14px;transform:rotate(4deg);z-index:3;}
.poster-stack:hover img:nth-child(1){transform:rotate(-9deg) translateY(-6px);}
.poster-stack:hover img:nth-child(2){transform:rotate(-1deg) translateY(-10px);}
.poster-stack:hover img:nth-child(3){transform:rotate(7deg) translateY(-6px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-list{border-top:1px solid var(--line);background:transparent;}
.faq-list .accordion-item{background:transparent;border-bottom:1px solid var(--line);}
.faq-list .accordion-title{
  display:block;padding:24px 52px 24px 0;position:relative;
  font-size:16px;font-weight:500;line-height:1.5;color:var(--ink-0);
  background:transparent;border:0;
  transition:color .2s var(--ease);
}
.faq-list .accordion-title:hover,
.faq-list .accordion-title:focus{background:transparent;color:var(--brand);}
.faq-list .accordion-title:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
.faq-list .accordion-title::before{
  content:"+";position:absolute;right:6px;top:50%;
  transform:translateY(-50%);
  font-family:var(--font-num);font-size:22px;font-weight:400;line-height:1;
  color:var(--ink-1);background:none;width:auto;height:auto;margin:0;
  transition:transform .26s var(--ease),color .26s var(--ease);
}
.faq-list .accordion-item.is-active .accordion-title::before{
  transform:translateY(-50%) rotate(45deg);color:var(--brand);
}
.faq-list .accordion-content{
  display:none;padding:0 52px 24px 0;background:transparent;border:0;
  font-size:15px;line-height:1.85;color:var(--ink-1);border-top:0;
}
.faq-list .accordion-content.is-open{display:block;}
.faq-list .accordion-content p{margin:0;}

/* ---------- 分类索引 ---------- */
.index-panel{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 40px;text-align:center;
}
.pager{display:flex;justify-content:center;gap:10px;margin-top:28px;}
.pager a{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-md);
  border:1px solid var(--line-strong);color:var(--ink-1);
  font-family:var(--font-num);font-size:14px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.pager a:hover{color:var(--ink-0);border-color:rgba(255,255,255,.32);transform:translateY(-2px);}
.pager a.is-current{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);font-weight:700;}
.pager a:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.cat-strip{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px;}
.cat-strip a{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line-strong);
  font-size:13.5px;color:var(--ink-1);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.cat-strip a:hover{color:var(--ink-0);border-color:rgba(198,255,61,.4);background:rgba(198,255,61,.06);}
.cat-strip a i{font-size:11px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:104px;border-top:1px solid var(--line);
  background:var(--bg-1);position:relative;z-index:1;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;
  padding:68px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{width:26px;height:26px;}
.footer-desc{font-size:13.5px;color:var(--ink-1);line-height:1.85;max-width:340px;}
.footer-social{display:flex;gap:10px;margin-top:22px;}
.footer-social a{
  width:38px;height:38px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--line);color:var(--ink-1);font-size:14px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.footer-social a:hover{color:var(--brand);border-color:rgba(198,255,61,.4);background:rgba(198,255,61,.06);}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--ink-0);margin-bottom:18px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li{font-size:13.5px;color:var(--ink-1);line-height:1.7;}
.footer-col a{transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--ink-2);
}
.footer-bottom-links{display:flex;gap:22px;}
.footer-bottom-links a:hover{color:var(--ink-0);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .container{max-width:1200px;}
}
@media (max-width:1180px){
  .command-search{width:220px;}
  .nav-links{gap:20px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .command-search{display:none;}
  .menu-toggle{display:grid;place-items:center;}
  .header-inner{height:64px;gap:16px;}
  .section{padding:76px 0;}
  .page-hero{min-height:400px;padding:80px 0 52px;}
  .stat-grid,.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
  .cta-band{padding:48px 36px;}
  .poster-stack{width:240px;height:160px;}
  .poster-stack img{width:96px;height:136px;}
  .poster-stack img:nth-child(2){left:68px;}
  .poster-stack img:nth-child(3){left:136px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .h1{font-size:clamp(1.85rem,7.4vw,2.4rem);}
  .page-hero{min-height:auto;padding:64px 0 52px;background-image:linear-gradient(180deg,rgba(8,9,10,.94) 0%,rgba(8,9,10,.82) 60%,rgba(8,9,10,.9) 100%),url('/assets/images/backpic/back-1.png');}
  .hero-meta{grid-template-columns:1fr;border-top:1px solid var(--line);}
  .hero-meta a{border-right:0;border-bottom:1px solid var(--line);padding:16px 0;}
  .hero-meta a:last-child{border-bottom:0;}
  .stat-grid,.feature-grid,.step-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:52px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-band{padding:36px 24px;border-radius:var(--r-card);}
  .cta-inner{gap:30px;}
  .poster-stack{width:100%;max-width:300px;height:170px;}
  .index-panel{padding:34px 22px;}
  .faq-list .accordion-title{padding:20px 44px 20px 0;font-size:15.5px;}
  .faq-list .accordion-content{padding:0 44px 20px 0;}
  .section-head{margin-bottom:28px;}
}
@media (max-width:519px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;gap:14px;}
  .cta-actions .btn{width:100%;}
  .poster-stack img{width:88px;height:124px;}
  .poster-stack img:nth-child(2){left:62px;}
  .poster-stack img:nth-child(3){left:124px;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
  .card:hover,.feature:hover,.step:hover{transform:none;}
  .card:hover .card-media img{transform:none;}
  .poster-stack img,.poster-stack:hover img{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg-0:#08090A;
  --bg-1:#0E1011;
  --bg-2:#14171A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --ink-0:#F2F4F3;
  --ink-1:#A7AEAC;
  --ink-2:#6C7472;
  --brand:#C6FF3D;
  --brand-ink:#0A0C08;
  --accent:#FF6B4A;
  --cool:#4BD8C8;
  --r-1:4px;
  --r-2:8px;
  --r-3:12px;
  --r-4:16px;
  --r-5:24px;
  --r-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 52px rgba(0,0,0,.6), 0 0 0 1px rgba(198,255,61,.24);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Manrope","SF Pro Display",-apple-system,sans-serif;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg-0);
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px),
    radial-gradient(circle at 78% 4%,rgba(198,255,61,.055),transparent 46%);
  background-size:24px 24px,24px 24px,100% 100%;
  color:var(--ink-0);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
a:hover{color:var(--ink-0)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-1)}
::selection{background:rgba(198,255,61,.28);color:#fff}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand);font-weight:600;margin-bottom:18px;
}
.eyebrow::before{content:"";width:2px;height:14px;background:var(--brand);display:block}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.2}
.section-head .sub{margin-top:10px;color:var(--ink-1);font-size:14.5px;max-width:640px}
.link-ghost{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-1);white-space:nowrap}
.link-ghost i{transition:transform .28s var(--ease)}
.link-ghost:hover{color:var(--brand)}
.link-ghost:hover i{transform:translateX(4px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:44px;padding:0 22px;border-radius:var(--r-3);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .28s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:0 10px 26px rgba(198,255,61,.16)}
.btn-primary:hover{background:#d3ff61;color:var(--brand-ink);transform:translateY(-1px);box-shadow:0 14px 34px rgba(198,255,61,.3)}
.btn-secondary{border-color:var(--line-strong);color:var(--ink-0);background:transparent}
.btn-secondary:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:var(--ink-0)}
.btn-ghost{background:transparent;color:var(--ink-0);padding:0 6px}
.btn-ghost i{transition:transform .28s var(--ease)}
.btn-ghost:hover{color:var(--brand)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);color:var(--ink-1);cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--ink-0);border-color:var(--line-strong)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;width:100%;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,9,10,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;
  height:var(--nav-h);display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:26px;height:26px;border-radius:8px;display:block;
  background:linear-gradient(140deg,var(--brand) 0%,rgba(198,255,61,.35) 55%,rgba(75,216,200,.5) 100%);
  box-shadow:0 0 0 1px rgba(198,255,61,.35),0 6px 18px rgba(198,255,61,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-main{font-size:16px;font-weight:700;color:var(--ink-0)}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-1);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:center;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink-0)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  display:flex;align-items:center;gap:10px;width:290px;height:40px;padding:0 12px 0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.command-search i{color:var(--ink-2);font-size:13px}
.command-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--ink-0);font-size:13.5px;
}
.command-search input::placeholder{color:var(--ink-2)}
.command-search:focus-within{border-color:rgba(198,255,61,.4);box-shadow:0 0 0 3px rgba(198,255,61,.12)}
.kbd{
  font-family:var(--font-num);font-size:11px;color:var(--ink-2);
  border:1px solid var(--line-strong);border-radius:var(--r-1);padding:2px 6px;letter-spacing:.04em;
}
.nav-toggle{display:none}
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
}
.drawer.is-open{display:block}
.drawer-backdrop{position:absolute;inset:0;background:rgba(4,5,5,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(92vw,420px);
  background:var(--bg-1);border-left:1px solid var(--line);
  padding:26px 24px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(100%);transition:transform .36s var(--ease);overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.drawer-links a{
  font-size:18px;font-weight:600;color:var(--ink-1);padding:13px 0;border-bottom:1px solid var(--line);
}
.drawer-links a.is-active{color:var(--brand)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}

/* ============ 纯排版页头 ============ */
.page-head{padding:74px 0 0}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--ink-2);margin-bottom:34px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--ink-1)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .now{color:var(--ink-2);opacity:.85;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:end}
.page-head h1{font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.12;letter-spacing:-.01em;max-width:22ch}
.page-head .lead{margin-top:20px;color:var(--ink-1);font-size:16px;max-width:60ch;line-height:1.85}
.page-num{
  font-family:var(--font-num);font-weight:700;font-size:clamp(4.6rem,11vw,9rem);line-height:.82;
  letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.2);
  user-select:none;
}
.head-rule{height:2px;background:var(--ink-0);margin-top:44px;opacity:.85}

/* ============ chips ============ */
.chips{display:flex;flex-wrap:wrap;gap:10px;padding:30px 0 0}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-1);border:1px solid var(--line-strong);background:transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.chip:hover{color:var(--ink-0);border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.05)}
.chip.is-on{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);font-weight:600}
.chip.is-on:hover{background:#d3ff61;color:var(--brand-ink)}

/* ============ 卡片 ============ */
.post-card{
  height:100%;display:flex;flex-direction:column;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--r-4);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .38s var(--ease),box-shadow .38s var(--ease),border-color .38s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(198,255,61,.28)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-1)}
.card-media img{width:100%;height:100%;transition:transform .38s var(--ease)}
.post-card:hover .card-media img{transform:scale(1.05)}
.card-media .flag{
  position:absolute;top:12px;left:12px;font-size:11px;letter-spacing:.06em;
  padding:4px 9px;border-radius:var(--r-1);background:rgba(255,107,74,.92);color:#1A0A05;font-weight:700;
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  font-size:11px;letter-spacing:.06em;padding:4px 10px;border-radius:var(--r-1);
  border:1px solid rgba(198,255,61,.45);color:var(--brand);background:transparent;
}
.badge-soft{border-color:transparent;background:rgba(255,255,255,.06);color:var(--ink-1)}
.card-body h3{font-size:16px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:13.5px;line-height:1.7;color:var(--ink-1);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-2);
}
.card-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2)}
.card-foot .go i{transition:transform .28s var(--ease)}
.post-card:hover .card-foot .go{color:var(--brand)}
.post-card:hover .card-foot .go i{transform:translateX(4px)}

/* ============ 步骤 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;padding:26px 22px 24px;border-radius:var(--r-4);
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .38s var(--ease),border-color .38s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28)}
.step .idx{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);
  display:inline-block;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:10px;line-height:1.35}
.step p{font-size:13.5px;color:var(--ink-1);line-height:1.75;margin:0}
.step .dot{position:absolute;top:28px;right:22px;width:7px;height:7px;border-radius:50%;background:var(--cool);box-shadow:0 0 12px rgba(75,216,200,.7)}

/* ============ 自查区块 ============ */
.audit{
  background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.audit-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:56px;align-items:center}
.audit-list{display:grid;gap:2px;background:var(--line);border-radius:var(--r-4);overflow:hidden;border:1px solid var(--line)}
.audit-item{
  display:flex;gap:16px;align-items:flex-start;background:var(--bg-2);padding:20px 22px;
  transition:background .28s var(--ease);
}
.audit-item:hover{background:#181C20}
.audit-item .mark{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(198,255,61,.4);color:var(--brand);font-size:12px;margin-top:2px;
}
.audit-item h4{font-size:15px;margin-bottom:5px}
.audit-item p{margin:0;font-size:13.5px;color:var(--ink-1);line-height:1.75}
.audit-copy h2{font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.22;margin-bottom:18px}
.audit-copy p{color:var(--ink-1);font-size:15px}
.audit-stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:30px}
.audit-stats .stat span{display:block;font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--brand);letter-spacing:-.02em}
.audit-stats .stat small{font-size:12.5px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-wrap .section-head{justify-content:center;text-align:center;flex-direction:column;align-items:center}
.faq-wrap .section-head .sub{text-align:center}
.accordion.faq-list{background:transparent;border:0;margin:0}
.accordion.faq-list .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion.faq-list .accordion-item:first-child{border-top:1px solid var(--line)}
.accordion.faq-list .accordion-title{
  position:relative;background:transparent;border:0;color:var(--ink-0);
  font-size:16px;font-weight:500;line-height:1.6;padding:22px 44px 22px 0;
  transition:color .22s var(--ease);
}
.accordion.faq-list .accordion-title:hover,.accordion.faq-list .accordion-title:focus{background:transparent;color:var(--brand)}
.accordion.faq-list .accordion-title::before{
  content:"+";position:absolute;right:6px;left:auto;top:50%;margin:0;
  width:auto;height:auto;background:none;transform:translateY(-50%);
  font-family:var(--font-num);font-size:22px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .26s var(--ease);
}
.accordion.faq-list .accordion-title[aria-expanded="true"]::before{transform:translateY(-50%) rotate(45deg)}
.accordion.faq-list .accordion-content{
  background:transparent;border:0;color:var(--ink-1);
  font-size:15px;line-height:1.85;padding:0 44px 22px 0;
}
.accordion.faq-list .accordion-content p{margin:0}

/* ============ CTA 带 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band::before{
  content:"";position:absolute;left:0;top:-20%;width:120px;height:140%;
  background:linear-gradient(180deg,rgba(198,255,61,.14),rgba(198,255,61,.02));
  transform:skewX(-10deg);opacity:.9;pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:center;padding:88px 0}
.cta-inner h2{font-size:clamp(1.7rem,3.2vw,2.5rem);line-height:1.2;margin-bottom:16px}
.cta-inner p{color:var(--ink-1);font-size:15px;max-width:52ch;margin-bottom:28px}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.poster-stack{display:flex;align-items:center;gap:14px}
.mini-poster{
  width:104px;aspect-ratio:3/4;border-radius:var(--r-3);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);transition:transform .38s var(--ease);
}
.mini-poster img{width:100%;height:100%}
.mini-poster:nth-child(1){transform:rotate(-6deg)}
.mini-poster:nth-child(2){transform:rotate(-2deg)}
.mini-poster:nth-child(3){transform:rotate(4deg)}
.poster-stack:hover .mini-poster{transform:rotate(0) translateY(-6px)}

/* ============ 其它分类 + 分页 ============ */
.other-cats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.other-cats a{
  display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);font-size:13.5px;color:var(--ink-1);
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.other-cats a:hover{color:var(--brand);border-color:rgba(198,255,61,.45);background:rgba(198,255,61,.05)}
.pager{display:flex;align-items:center;gap:10px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 12px;border-radius:var(--r-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;color:var(--ink-1);
  border:1px solid var(--line-strong);background:transparent;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.pager a:hover{color:var(--ink-0);border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.05)}
.pager .is-current{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);font-weight:700}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-desc{color:var(--ink-1);font-size:13.5px;line-height:1.8;max-width:38ch}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink-1);font-size:14px;
}
.footer-social a:hover{color:var(--brand);border-color:rgba(198,255,61,.4);background:rgba(198,255,61,.06)}
.footer-col h4{font-size:13.5px;letter-spacing:.04em;color:var(--ink-0);margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col li,.footer-col a{font-size:13.5px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-2);
}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a{color:var(--ink-2)}
.footer-bottom-links a:hover{color:var(--brand)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 断点 ============ */
@media (max-width:1439px){
  .header-inner{padding:0 28px}
  .container{padding:0 28px}
}
@media (max-width:1023px){
  :root{--nav-h:64px}
  .nav-links{display:none}
  .command-search{width:200px}
  .nav-toggle{display:inline-flex}
  .section{padding:72px 0}
  .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .audit-grid{grid-template-columns:1fr;gap:36px}
  .cta-inner{grid-template-columns:1fr;padding:64px 0;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .command-search{display:none}
  .page-head{padding:48px 0 0}
  .page-head-grid{grid-template-columns:1fr;gap:20px;align-items:start}
  .page-num{font-size:4.4rem;line-height:.9}
  .page-head h1{max-width:100%}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .breadcrumb .now{max-width:100%;white-space:normal}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .header-inner{padding:0 20px}
  .section{padding:64px 0}
  .steps-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-actions{flex-direction:column;align-items:flex-start}
  .poster-stack .mini-poster:nth-child(3){display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  .post-card:hover,.step:hover{transform:none}
  .post-card:hover .card-media img{transform:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#08090A;
  --bg-1:#0E1011;
  --bg-2:#14171A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --ink-0:#F2F4F3;
  --ink-1:#A7AEAC;
  --ink-2:#6C7472;
  --brand:#C6FF3D;
  --brand-ink:#0A0C08;
  --accent:#FF6B4A;
  --cool:#4BD8C8;
  --r-xs:4px;
  --r-sm:8px;
  --r-btn:12px;
  --r-card:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 54px rgba(0,0,0,.6), 0 0 0 1px rgba(198,255,61,.22);
  --container:1280px;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-en:Inter,Manrope,"Helvetica Neue",Arial,sans-serif;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-0);
  background-color:var(--bg-0);
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:24px 24px, 24px 24px;
  background-position:0 0, 0 0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease, opacity .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:4px;
}
button,input{font-family:inherit;font-size:inherit}
p{margin:0 0 1.15em}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink-0)}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(198,255,61,.28);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:104px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.2}
.section-head p{margin:10px 0 0;color:var(--ink-1);font-size:15px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.12em;color:var(--brand);
  text-transform:none;font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:2px;height:14px;background:var(--brand);display:inline-block;border-radius:2px}
.muted{color:var(--ink-1)}
.small{font-size:13.5px;line-height:1.7}
.mono{font-family:var(--font-en);letter-spacing:-.02em;font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(8,9,10,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h)}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:26px;height:26px;border-radius:8px;position:relative;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand) 0%,#8FD11F 100%);
  box-shadow:0 0 0 1px rgba(198,255,61,.35), 0 8px 20px rgba(198,255,61,.18);
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:3px;background:var(--bg-0);
  transform:rotate(45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--ink-0)}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-1);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:center;transition:transform .2s ease;
}
.nav-link:hover{color:var(--ink-0)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  display:flex;align-items:center;gap:10px;
  width:296px;height:40px;padding:0 12px 0 14px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.command-search i{color:var(--ink-2);font-size:13px}
.command-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;color:var(--ink-0);
  font-size:13.5px;outline:none;
}
.command-search input::placeholder{color:var(--ink-2)}
.command-search:focus-within{
  border-color:rgba(198,255,61,.45);
  box-shadow:0 0 0 3px rgba(198,255,61,.12);
  background:rgba(255,255,255,.07);
}
.kbd{
  font-family:var(--font-en);font-size:11px;color:var(--ink-1);
  border:1px solid var(--line-strong);border-radius:6px;padding:1px 6px;line-height:1.6;
  flex:0 0 auto;
}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-1);border:1px solid transparent;transition:background .2s ease,color .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--ink-0)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--ink-0);cursor:pointer;
  align-items:center;justify-content:center;
}
.mobile-drawer{
  display:none;position:fixed;inset:0 0 0 auto;width:100%;max-width:420px;z-index:80;
  background:rgba(8,9,10,.98);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .32s cubic-bezier(.22,.61,.36,1);
  padding:24px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:28px}
.drawer-links a{
  font-size:18px;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink-1);
}
.drawer-links a.is-active,.drawer-links a:hover{color:var(--brand)}
.drawer-foot{display:flex;flex-direction:column;gap:12px}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:70;
  opacity:0;transition:opacity .3s ease;
}
.drawer-mask.is-open{opacity:1}
body.drawer-open{overflow:hidden}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .24s cubic-bezier(.22,.61,.36,1), background .24s ease, box-shadow .24s ease, filter .24s ease, color .24s ease, border-color .24s ease;
}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:0 8px 22px rgba(198,255,61,.14)}
.btn-primary:hover{
  filter:brightness(1.06);transform:translateY(-1px);
  box-shadow:0 0 0 4px rgba(198,255,61,.14), 0 14px 30px rgba(198,255,61,.2);
}
.btn-ghost{
  background:transparent;color:var(--ink-0);border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px}
.btn-text{
  background:none;border:0;padding:0;height:auto;color:var(--brand);
  font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px;
}
.btn-text i{transition:transform .24s ease}
.btn-text:hover i{transform:translateX(4px)}

/* ---------- 标签与徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;letter-spacing:.06em;line-height:1;
  padding:6px 10px;border-radius:var(--r-pill);
}
.tag-brand{border:1px solid rgba(198,255,61,.4);color:var(--brand);background:transparent}
.tag-muted{background:rgba(255,255,255,.06);color:var(--ink-1)}
.tag-hot{background:rgba(255,107,74,.14);color:var(--accent);border:1px solid rgba(255,107,74,.3)}
.tag-square{border-radius:var(--r-xs)}

/* ---------- 分类页头 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  min-height:440px;display:flex;align-items:flex-end;
  padding:120px 0 56px;
}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.cat-hero__mask{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(8,9,10,.95) 0%, rgba(8,9,10,.82) 42%, rgba(8,9,10,.4) 100%),
    linear-gradient(180deg, rgba(8,9,10,.55) 0%, rgba(8,9,10,0) 42%, var(--bg-0) 100%);
}
.cat-hero__inner{position:relative;z-index:2;max-width:860px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-2);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--ink-0)}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .current{color:var(--ink-1);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cat-hero h1{
  font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.1;letter-spacing:-.015em;
  margin-bottom:16px;
}
.cat-hero .lead{font-size:16.5px;color:var(--ink-1);max-width:680px;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cat-hero__meta{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;
  padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);
}
.cat-hero__meta b{color:var(--ink-0);font-family:var(--font-en);font-weight:600;margin-right:6px}

/* ---------- 速查卡 ---------- */
.check-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;height:100%;
  transition:transform .38s cubic-bezier(.22,.61,.36,1), border-color .38s ease, box-shadow .38s ease;
}
.check-card:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);box-shadow:var(--shadow)}
.check-card .icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(198,255,61,.1);color:var(--brand);font-size:17px;margin-bottom:18px;
}
.check-card h3{font-size:17px;margin-bottom:10px}
.check-card p{color:var(--ink-1);font-size:14.5px;margin:0}

/* ---------- 异常横条列表 ---------- */
.issue-list{display:flex;flex-direction:column;gap:20px}
.issue-row{
  display:grid;grid-template-columns:40% 1fr;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .38s cubic-bezier(.22,.61,.36,1), border-color .38s ease, box-shadow .38s ease;
}
.issue-row:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);box-shadow:var(--shadow)}
.issue-row__media{position:relative;min-height:230px;overflow:hidden;background:var(--bg-1)}
.issue-row__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.issue-row:hover .issue-row__media img{transform:scale(1.05)}
.issue-row__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(20,23,26,.35) 0%, rgba(20,23,26,0) 60%);
}
.issue-row__body{padding:28px 30px;display:flex;flex-direction:column;justify-content:center}
.issue-row__top{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.issue-row h3{font-size:19px;line-height:1.4;margin-bottom:12px}
.issue-row p{color:var(--ink-1);font-size:14.5px;margin:0 0 14px}
.issue-row .hint{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--cool);
  border-top:1px solid var(--line);padding-top:14px;margin-top:auto;
}
.issue-row .hint i{font-size:12px}

/* ---------- 排查步骤 ---------- */
.steps{counter-reset:step;display:flex;flex-direction:column;gap:0}
.step{
  position:relative;display:grid;grid-template-columns:64px 1fr;gap:22px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.step:last-child{border-bottom:0}
.step__num{
  font-family:var(--font-en);font-size:26px;font-weight:700;color:var(--brand);
  letter-spacing:-.02em;line-height:1.2;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--ink-1);font-size:14.5px;margin:0}
.step ul{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.step ul li{
  position:relative;padding-left:18px;color:var(--ink-1);font-size:14px;
}
.step ul li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.steps-panel{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 32px;
}

/* ---------- 状态数据带 ---------- */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.stat{background:var(--bg-1);padding:30px 26px}
.stat .val{font-family:var(--font-en);font-size:30px;font-weight:700;letter-spacing:-.02em;color:var(--ink-0);line-height:1.15}
.stat .val em{font-style:normal;font-size:14px;color:var(--ink-2);margin-left:6px;letter-spacing:0}
.stat .lab{margin-top:10px;font-size:13.5px;color:var(--ink-1)}
.stat .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cool);margin-right:8px;vertical-align:middle}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-wrap .accordion{margin:0;border:0;background:transparent;list-style:none}
.faq-wrap .accordion-item{border:0;border-top:1px solid var(--line);background:transparent}
.faq-wrap .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-wrap .accordion-title{
  display:block;position:relative;
  padding:22px 46px 22px 0;border:0;background:transparent;
  color:var(--ink-0);font-size:16px;font-weight:600;line-height:1.5;
}
.faq-wrap .accordion-title::before{
  content:"+";position:absolute;right:6px;top:50%;
  transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--brand);
  transition:transform .26s cubic-bezier(.22,.61,.36,1);line-height:1;
}
.faq-wrap .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.faq-wrap .accordion-title:hover{color:var(--brand)}
.faq-wrap .accordion-content{
  padding:0 46px 24px 0;border:0;background:transparent;
  color:var(--ink-1);font-size:15px;line-height:1.85;
}
.faq-wrap .accordion-content p:last-child{margin-bottom:0}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--bg-1);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;left:-40px;top:-60px;width:120px;height:180%;
  background:linear-gradient(180deg, rgba(198,255,61,.14), rgba(198,255,61,0));
  transform:rotate(14deg);
}
.cta-band__inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
  padding:76px 0;
}
.cta-band h2{font-size:clamp(1.7rem,3.2vw,2.5rem);line-height:1.2;margin-bottom:14px}
.cta-band p{color:var(--ink-1);margin:0 0 26px;max-width:620px;font-size:15.5px}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.cta-cards{display:flex;gap:14px}
.mini-poster{
  width:112px;height:158px;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--shadow);transition:transform .4s cubic-bezier(.22,.61,.36,1);
}
.mini-poster img{width:100%;height:100%;object-fit:cover}
.mini-poster:nth-child(1){transform:rotate(-6deg)}
.mini-poster:nth-child(2){transform:rotate(-1deg) translateY(8px)}
.mini-poster:nth-child(3){transform:rotate(4deg)}
.cta-cards:hover .mini-poster{transform:rotate(0deg) translateY(-6px)}

/* ---------- 其它分类 ---------- */
.cat-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:36px}
.cat-link{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-2);transition:border-color .3s ease, transform .3s ease, background .3s ease;
}
.cat-link:hover{border-color:rgba(198,255,61,.3);transform:translateY(-3px);background:var(--bg-1)}
.cat-link strong{display:block;font-size:15px;margin-bottom:4px}
.cat-link span{font-size:13px;color:var(--ink-2)}
.cat-link i{color:var(--brand);font-size:13px}
.back-home{display:flex;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-desc{color:var(--ink-1);font-size:14px;max-width:360px;margin:0 0 22px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink-1);font-size:14px;
}
.footer-social a:hover{color:var(--brand);border-color:rgba(198,255,61,.35);background:rgba(198,255,61,.06)}
.footer-col h4{font-size:14px;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li{font-size:13.5px;color:var(--ink-1)}
.footer-col a{font-size:13.5px;color:var(--ink-1)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0 28px;font-size:13px;color:var(--ink-2);
}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a:hover{color:var(--ink-0)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .4s cubic-bezier(.22,.61,.36,1), transform .4s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1439px){
  .container{max-width:1160px}
}
@media screen and (max-width:1199px){
  .command-search{width:220px}
  .nav-links{gap:20px}
}
@media screen and (max-width:1023px){
  :root{--nav-h:64px}
  .container{padding:0 24px}
  .section{padding:80px 0}
  .nav-links{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-drawer,.drawer-mask{display:block}
  .cat-hero{min-height:400px;padding:104px 0 48px}
  .issue-row{grid-template-columns:1fr}
  .issue-row__media{min-height:200px}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band__inner{grid-template-columns:1fr;padding:64px 0}
  .cta-cards{order:-1}
  .cat-links{grid-template-columns:1fr}
}
@media screen and (max-width:767px){
  body{font-size:16px;line-height:1.8}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .cat-hero{min-height:380px;padding:92px 0 40px}
  .cat-hero h1{font-size:clamp(1.7rem,7vw,2.4rem)}
  .cat-hero__meta{gap:16px;font-size:12.5px}
  .issue-row__body{padding:22px 20px}
  .step{grid-template-columns:44px 1fr;gap:16px;padding:22px 0}
  .step__num{font-size:20px}
  .steps-panel{padding:10px 20px}
  .stat{padding:22px 20px}
  .stat .val{font-size:24px}
  .faq-wrap .accordion-title{padding:18px 40px 18px 0;font-size:15.5px}
  .faq-wrap .accordion-content{padding:0 0 20px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .mini-poster{width:92px;height:130px}
}
@media screen and (max-width:640px){
  .container{padding:0 18px}
  .stat-band{grid-template-columns:1fr}
  .hero-actions{gap:10px}
  .btn{width:100%}
  .hero-actions .btn{width:auto}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
  .check-card:hover,.issue-row:hover,.cat-link:hover,.btn:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --bg-0:#08090A; --bg-1:#0E1011; --bg-2:#14171A;
  --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.14);
  --ink-0:#F2F4F3; --ink-1:#A7AEAC; --ink-2:#6C7472;
  --brand:#C6FF3D; --brand-ink:#0A0C08; --accent:#FF6B4A; --cool:#4BD8C8;
  --r-s:4px; --r-m:8px; --r-btn:12px; --r-card:16px; --r-lg:24px; --r-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 52px rgba(0,0,0,.6), 0 0 0 1px rgba(198,255,61,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg-0);color:var(--ink-0);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:0;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;position:relative;z-index:1}
.num{font-family:"Inter","Manrope",-apple-system,sans-serif;font-feature-settings:"tnum";letter-spacing:-.02em}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.12em;color:var(--brand);text-transform:uppercase}
.eyebrow::before{content:"";width:2px;height:14px;background:var(--brand);display:inline-block}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:14px;font-weight:600;line-height:1;transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--brand);color:var(--brand-ink)}
.btn-primary:hover{background:#d2ff5e;transform:translateY(-1px);box-shadow:0 12px 28px rgba(198,255,61,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{border-color:rgba(255,255,255,.12);color:var(--ink-0)}
.btn-secondary:hover{background:rgba(255,255,255,.08)}
.btn-ghost{padding:0;height:auto;color:var(--ink-0);font-size:14px;font-weight:600}
.btn-ghost i{transition:transform .2s var(--ease)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.icon-btn{width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--ink-1);transition:background .2s var(--ease),color .2s var(--ease)}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--ink-0)}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:60;height:var(--nav-h);display:flex;align-items:center;background:transparent;transition:background .3s var(--ease),box-shadow .3s var(--ease);border-bottom:1px solid transparent}
.site-header.is-scrolled{background:rgba(8,9,10,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:28px;width:100%}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(140deg,var(--brand),#8cc516);position:relative;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:0;height:0;border-left:7px solid transparent;border-right:7px solid transparent;border-bottom:12px solid var(--brand-ink)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-main{font-size:16px;font-weight:700;letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-link{position:relative;font-size:14px;color:var(--ink-1);padding:6px 0;transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .2s var(--ease)}
.nav-link:hover{color:var(--ink-0)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{display:flex;align-items:center;gap:10px;width:300px;height:40px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.05);border:1px solid var(--line);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.command-search i{color:var(--ink-2);font-size:13px}
.command-search input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--ink-0);font-size:13.5px}
.command-search input::placeholder{color:var(--ink-2)}
.command-search .kbd{font-size:11px;color:var(--ink-2);border:1px solid var(--line-strong);border-radius:var(--r-s);padding:2px 6px;line-height:1}
.command-search:focus-within{border-color:rgba(198,255,61,.4);box-shadow:0 0 0 3px rgba(198,255,61,.12)}
.hamburger{display:none;width:40px;height:40px;border-radius:var(--r-m);align-items:center;justify-content:center;border:1px solid var(--line)}
.hamburger span{display:block;width:16px;height:2px;background:var(--ink-0);position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink-0)}
.hamburger span::before{top:-5px}
.hamburger span::after{top:5px}

/* ===== drawer ===== */
.mobile-drawer{position:fixed;inset:0;z-index:80;background:rgba(8,9,10,.98);backdrop-filter:blur(16px);transform:translateX(100%);transition:transform .36s var(--ease);display:flex;flex-direction:column;padding:24px}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-m);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-link{font-size:18px;font-weight:600;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink-1)}
.drawer-link.is-active{color:var(--brand)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.drawer-search{display:flex;align-items:center;gap:10px;height:48px;padding:0 16px;border-radius:var(--r-btn);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.drawer-search input{flex:1;background:none;border:0;outline:none;color:var(--ink-0)}
body.drawer-open{overflow:hidden}

/* ===== page head (typographic) ===== */
.page-head{padding:72px 0 0;position:relative}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-2);margin-bottom:40px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--ink-0)}
.breadcrumb .current{color:rgba(255,255,255,.6);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-head-grid{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}
.page-head-main{max-width:820px}
.page-head h1{font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.12;font-weight:700;letter-spacing:-.01em;margin:20px 0 20px}
.page-head-desc{font-size:16.5px;line-height:1.85;color:var(--ink-1);max-width:760px}
.page-head-num{font-size:clamp(4rem,10vw,8.5rem);font-weight:800;line-height:.85;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.18);flex:0 0 auto;padding-bottom:6px}
.head-rule{height:2px;background:var(--ink-0);opacity:.9;margin-top:44px}

/* ===== sections ===== */
.section{padding:104px 0;position:relative}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:48px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.2;font-weight:700;margin-top:16px;letter-spacing:-.01em}
.section-sub{font-size:14.5px;color:var(--ink-1);max-width:460px;line-height:1.8}
.ghost-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink-1);transition:color .2s var(--ease);white-space:nowrap}
.ghost-link:hover{color:var(--brand)}
.ghost-link i{font-size:12px;transition:transform .2s var(--ease)}
.ghost-link:hover i{transform:translateX(4px)}

/* ===== terminal cards ===== */
.term-card{height:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px 24px;box-shadow:var(--shadow);transition:transform .38s var(--ease),box-shadow .38s var(--ease),border-color .38s var(--ease);display:flex;flex-direction:column}
.term-card:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);box-shadow:var(--shadow-hover)}
.term-icon{width:42px;height:42px;border-radius:var(--r-m);display:flex;align-items:center;justify-content:center;background:rgba(198,255,61,.1);color:var(--brand);font-size:17px;margin-bottom:20px}
.term-card h3{font-size:18px;font-weight:700;margin-bottom:12px}
.term-card p{font-size:14.5px;color:var(--ink-1);line-height:1.8}
.term-list{margin-top:20px;border-top:1px solid var(--line);padding-top:16px;display:flex;flex-direction:column;gap:10px}
.term-list li{display:flex;align-items:baseline;justify-content:space-between;gap:14px;font-size:13px;color:var(--ink-2)}
.term-list li b{font-weight:600;color:var(--ink-0);font-size:13px}
.term-list li span{text-align:right}

/* ===== feature row ===== */
.feature-row{align-items:center}
.feature-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);position:relative;background:var(--bg-2)}
.feature-media img{width:100%;height:420px;object-fit:cover;transition:transform .5s var(--ease)}
.feature-media:hover img{transform:scale(1.04)}
.feature-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;font-size:13px;color:var(--ink-1);background:linear-gradient(to top,rgba(8,9,10,.92),rgba(8,9,10,0))}
.feature-copy h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.25;font-weight:700;margin:16px 0 18px}
.check-list{display:flex;flex-direction:column;gap:18px;margin-top:8px}
.check-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:var(--ink-1);line-height:1.8}
.check-list li i{color:var(--brand);font-size:13px;margin-top:9px;flex:0 0 auto}
.check-list li b{color:var(--ink-0);font-weight:600}

/* ===== steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);counter-reset:step}
.step{padding:32px 26px 8px 0;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step-num{font-size:34px;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(198,255,61,.55);line-height:1;margin-bottom:18px}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:10px}
.step p{font-size:14px;color:var(--ink-1);line-height:1.8}

/* ===== table ===== */
.table-wrap{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg-1)}
table.spec-table{width:100%;border-collapse:collapse;font-size:14px;margin:0}
table.spec-table thead th{text-align:left;font-size:12px;letter-spacing:.06em;color:var(--ink-2);font-weight:600;padding:16px 20px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line)}
table.spec-table td{padding:16px 20px;border-bottom:1px solid var(--line);color:var(--ink-1);vertical-align:top;line-height:1.7}
table.spec-table tbody tr:nth-child(even){background:rgba(255,255,255,.015)}
table.spec-table tbody tr:last-child td{border-bottom:0}
table.spec-table td:first-child{color:var(--ink-0);font-weight:600}
.tag{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:var(--r-s);font-size:11.5px;letter-spacing:.04em;border:1px solid rgba(198,255,61,.45);color:var(--brand);background:rgba(198,255,61,.06)}
.tag-muted{border-color:transparent;background:rgba(255,255,255,.06);color:var(--ink-1)}
.tag-hot{border-color:transparent;background:rgba(255,107,74,.14);color:var(--accent)}

/* ===== content cards ===== */
.card-grid .cell{margin-bottom:32px}
.info-card{height:100%;display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .38s var(--ease),box-shadow .38s var(--ease),border-color .38s var(--ease)}
.info-card:hover{transform:translateY(-4px);border-color:rgba(198,255,61,.28);box-shadow:var(--shadow-hover)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.info-card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-tags{display:flex;gap:8px;flex-wrap:wrap}
.card-title{font-size:16px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:13.5px;color:var(--ink-1);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-2)}
.card-foot i{font-size:12px;transition:transform .2s var(--ease)}
.info-card:hover .card-foot i{transform:translateX(4px);color:var(--brand)}

/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.accordion{background:transparent;border:0;margin:0}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion-title{position:relative;padding:22px 52px 22px 0;border:0;background:transparent;font-size:16px;font-weight:600;line-height:1.55;color:var(--ink-0);transition:color .2s var(--ease)}
.accordion-title:hover{color:var(--brand)}
.accordion-title::before{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);width:auto;height:auto;margin:0;border:0;font-size:22px;font-weight:400;line-height:1;color:var(--brand);transition:transform .26s var(--ease)}
.accordion-title[aria-expanded="true"]::before{transform:translateY(-50%) rotate(45deg)}
.accordion-content{padding:0 52px 24px 0;border:0;background:transparent;color:var(--ink-1);font-size:15px;line-height:1.8}

/* ===== CTA band ===== */
.cta-band{position:relative;background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:96px 0}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:120px;background:linear-gradient(120deg,rgba(198,255,61,.14),rgba(198,255,61,0));transform:skewX(-8deg) translateX(-30px)}
.cta-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;position:relative;z-index:1}
.cta-copy h2{font-size:clamp(1.7rem,3.2vw,2.5rem);line-height:1.2;font-weight:700;margin:16px 0 18px}
.cta-copy p{font-size:15px;color:var(--ink-1);max-width:520px;margin-bottom:30px;line-height:1.85}
.cta-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.cta-posters{position:relative;height:280px}
.poster{position:absolute;width:150px;aspect-ratio:3/4;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow);transition:transform .4s var(--ease)}
.poster img{width:100%;height:100%;object-fit:cover}
.poster:nth-child(1){left:4%;top:26px;transform:rotate(-6deg)}
.poster:nth-child(2){left:33%;top:6px;transform:rotate(-2deg);z-index:2}
.poster:nth-child(3){left:62%;top:32px;transform:rotate(4deg)}
.cta-posters:hover .poster:nth-child(1){transform:rotate(-9deg) translateY(-10px)}
.cta-posters:hover .poster:nth-child(2){transform:rotate(-2deg) translateY(-14px)}
.cta-posters:hover .poster:nth-child(3){transform:rotate(8deg) translateY(-10px)}

/* ===== pagination & category links ===== */
.pager-row{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;margin-top:24px}
.pagination{display:flex;gap:10px;align-items:center}
.page-link{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-m);border:1px solid var(--line-strong);font-size:13.5px;color:var(--ink-1);transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease)}
.page-link:hover{color:var(--ink-0);border-color:rgba(255,255,255,.3)}
.page-link.is-current{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:700}
.page-link.is-wide{width:auto;padding:0 18px;gap:8px}
.cat-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cat-links-label{font-size:12px;letter-spacing:.08em;color:var(--ink-2)}
.cat-link{display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:13px;color:var(--ink-1);transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease)}
.cat-link:hover{color:var(--ink-0);border-color:rgba(198,255,61,.45);background:rgba(198,255,61,.06)}

/* ===== footer ===== */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:80px 0 0;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.footer-desc{font-size:13.5px;color:var(--ink-1);line-height:1.85;max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);font-size:13px;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease)}
.footer-social a:hover{color:var(--brand);border-color:rgba(198,255,61,.4);background:rgba(198,255,61,.06)}
.footer-col h4{font-size:13px;letter-spacing:.06em;color:var(--ink-0);margin-bottom:18px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li{font-size:13.5px;color:var(--ink-1)}
.footer-col a{color:var(--ink-1);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-2)}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a:hover{color:var(--ink-0)}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ===== responsive ===== */
@media (max-width:1439px){
  .page-head-num{font-size:clamp(3.6rem,8vw,7rem)}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .command-search{width:220px}
  .hamburger{display:inline-flex}
  .section{padding:80px 0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2){border-right:0}
  .step{padding:28px 22px 22px 0}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}
  .cta-grid{grid-template-columns:1fr;gap:48px}
  .cta-posters{height:240px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .page-head-grid{align-items:flex-start;flex-direction:column}
  .page-head-num{padding-bottom:0}
}
@media (max-width:767px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .site-header{height:60px}
  .command-search,.nav-actions .icon-btn,.nav-actions .btn-primary{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:20px}
  .section-sub{max-width:100%}
  .page-head{padding:40px 0 0}
  .breadcrumb{margin-bottom:26px}
  .page-head h1{font-size:clamp(1.8rem,7.2vw,2.4rem);margin:16px 0 16px}
  .page-head-desc{font-size:15px}
  .head-rule{margin-top:30px}
  .feature-media img{height:280px}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:24px 0}
  .step:last-child{border-bottom:0}
  .table-wrap{border-radius:var(--r-m);overflow-x:auto}
  table.spec-table{min-width:620px}
  .cta-actions{flex-direction:column;align-items:flex-start;gap:16px}
  .cta-posters{height:200px}
  .poster{width:112px}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .footer-bottom-links{flex-wrap:wrap;gap:14px}
  .pager-row{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .page-link{width:36px;height:36px}
  .card-body{padding:16px}
  .term-card{padding:22px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .info-card:hover,.term-card:hover{transform:none}
  .info-card:hover .card-media img,.feature-media:hover img{transform:none}
  .cta-posters:hover .poster{transform:none}
}