:root{
  --bg:#0b0d12;
  --panel:#101521;
  --panel2:#0f1320;
  --text:#e9edf6;
  --muted:#aab4c4;
  --brand:#ffb000;
  --brand2:#ff6a00;
  --line:rgba(255,255,255,.08);
  --shadow: 0 12px 40px rgba(0,0,0,.45);
  --radius: 18px;
  --radius2: 12px;
  --max: 1120px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 800px at 20% -10%, rgba(255,176,0,.18), transparent 55%),
    radial-gradient(900px 600px at 90% 10%, rgba(255,106,0,.12), transparent 55%),
    linear-gradient(180deg, #07080c, var(--bg) 55%, #07080c);
  line-height:1.65;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; text-underline-offset: 3px; }

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 18px;
}

.topbar{
  position:sticky;
  top:0;
  z-index:120;
  backdrop-filter: blur(12px);
  background: rgba(11,13,18,.65);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:12px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width: 220px;
}
.brand img{
  width:40px;
  height:40px;
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(0,0,0,.35);
}
.brand-title{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.brand-title strong{
  font-size:15px;
  letter-spacing:.2px;
}
.brand-title span{
  font-size:12px;
  color:var(--muted);
}

.nav{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.nav a{
  padding:8px 10px;
  border-radius: 10px;
  color:var(--muted);
  border:1px solid transparent;
}
.nav a[aria-current="page"]{
  color:var(--text);
  background: rgba(255,176,0,.10);
  border-color: rgba(255,176,0,.22);
}
.nav a:hover{
  text-decoration:none;
  color:var(--text);
  border-color: var(--line);
  background: rgba(255,255,255,.04);
}

.menu-btn{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:40px;
  border-radius: 12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
}
.menu-btn:hover{ background: rgba(255,255,255,.06); }
.menu-icon{
  width:18px;
  height:14px;
  position:relative;
}
.menu-icon span{
  position:absolute;
  left:0;
  right:0;
  height:2px;
  border-radius: 2px;
  background: rgba(233,237,246,.92);
}
.menu-icon span:nth-child(1){ top:0; }
.menu-icon span:nth-child(2){ top:6px; opacity:.9; }
.menu-icon span:nth-child(3){ bottom:0; opacity:.85; }

.breadcrumb-bar{
  display:none;
  border-top:1px solid var(--line);
  background: rgba(7,8,12,.55);
  position: relative;
  z-index: 119;
}
.breadcrumb-bar .container{
  padding-top:8px;
  padding-bottom:10px;
}
.breadcrumb-bar .breadcrumbs{
  margin:0;
  font-size:12px;
  color:var(--muted);
}

.ad-slot{
  position: sticky;
  z-index: 39;
  top: 64px; /* JS 会根据导航/面包屑动态修正 */
}
.adbar{
  border-bottom:1px solid var(--line);
  background: rgba(11,13,18,.78);
  backdrop-filter: blur(10px);
}
.adbar-inner{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:10px 0;
}
.adbar-ads{
  display:grid;
  grid-template-columns: repeat(7, minmax(62px, 1fr));
  gap:10px;
  width:100%;
  align-items:start;
}
.ad-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  width:100%;
  text-decoration:none;
}
.ad-img{
  width:65px;
  height:65px;
  object-fit:cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(24,24,24,0.20);
  transition: transform 180ms ease, box-shadow 180ms ease;
  display:block;
  border:1px solid rgba(255,255,255,.10);
  background: linear-gradient(135deg,#fff,#fff);
}
.ad-item:hover .ad-img{
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(24,24,24,0.28);
}
.ad-cap{
  height: 15px;
  max-width: 100px;
  overflow:hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align:center;
  font-size: 11px;
  color: rgba(233,237,246,.86);
}

.mobile-menu{
  position:fixed;
  inset:0;
  z-index: 200;
  display:none;
}
.mobile-menu[data-open="true"]{ display:block; }
.mobile-menu-backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.68);
}
.mobile-menu-panel{
  position:absolute;
  top:0;
  right:0;
  height:100%;
  width:min(360px, 92vw);
  border-left:1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(16,21,33,.98), rgba(10,12,18,.98));
  box-shadow: var(--shadow);
  padding:14px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.mobile-menu-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.mobile-menu-title{
  display:flex;
  align-items:center;
  gap:10px;
}
.mobile-menu-title img{
  width:34px;
  height:34px;
  border-radius: 12px;
}
.mobile-menu-title strong{ font-size:14px; }
.mobile-menu-links{
  display:grid;
  gap:8px;
  padding-top:6px;
}
.mobile-menu-links a{
  padding:10px 12px;
  border-radius: 12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: rgba(233,237,246,.95);
}
.mobile-menu-links a:hover{
  text-decoration:none;
  background: rgba(255,255,255,.06);
}
.mobile-menu-links a[aria-current="page"]{
  background: rgba(255,176,0,.10);
  border-color: rgba(255,176,0,.22);
}

.hero{
  padding:34px 0 10px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:18px;
  align-items:stretch;
}
.card{
  background: linear-gradient(180deg, rgba(16,21,33,.88), rgba(10,12,18,.88));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card-inner{ padding:20px; }
.kicker{
  display:inline-flex;
  gap:10px;
  align-items:center;
  padding:6px 10px;
  border-radius: 999px;
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--line);
  background: rgba(255,255,255,.02);
}
.kicker b{
  font-weight:700;
  color: var(--brand);
}
.headline{
  margin:14px 0 8px;
  font-size:34px;
  line-height:1.16;
  letter-spacing: .2px;
}
.subhead{
  margin:0;
  color:var(--muted);
  font-size:15px;
}
.cta-row{
  margin-top:16px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 14px;
  border-radius: 12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  font-weight:600;
}
.btn:hover{ text-decoration:none; border-color: rgba(255,255,255,.18); background: rgba(255,255,255,.06); }
.btn-primary{
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  border-color: rgba(255,176,0,.45);
  color:#0b0d12;
}
.btn-primary:hover{
  background: linear-gradient(90deg, #ffc233, #ff7f1a);
}
.btn-ghost{
  background: transparent;
}

.hero-right{
  display:grid;
  gap:18px;
}
.stat-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:10px;
}
.stat{
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.stat strong{ display:block; font-size:14px; }
.stat span{ display:block; font-size:12px; color:var(--muted); margin-top:2px; }

.img-card{
  padding:0;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:0;
}
.img-card figure{
  margin:0;
  position:relative;
  aspect-ratio: 9/16;
  overflow:hidden;
  border-right:1px solid var(--line);
}
.img-card figure:last-child{ border-right:0; }
.img-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  filter: saturate(1.02) contrast(1.02);
}
.img-card figcaption{
  position:absolute;
  inset:auto 10px 10px 10px;
  padding:8px 10px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(10px);
  color: rgba(255,255,255,.92);
  font-size:12px;
}

.section{
  padding:22px 0;
}
.section h2{
  margin:0 0 10px;
  font-size:22px;
  letter-spacing:.2px;
}
.section p, .section li{
  color: rgba(233,237,246,.92);
}
.muted{ color:var(--muted); }
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.feature{
  padding:16px;
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.feature h3{
  margin:0 0 6px;
  font-size:15px;
}
.feature p{ margin:0; font-size:13px; color:var(--muted); }

.content-card{
  padding:18px;
}
.content-card h1{
  margin:0 0 10px;
  font-size:26px;
}
.content-card h2{
  margin:18px 0 8px;
  font-size:18px;
}
.content-card h3{
  margin:14px 0 6px;
  font-size:15px;
}
.content-card p{ margin:8px 0; }
.content-card ul{ margin:8px 0 8px 18px; }
.content-card code{
  padding:2px 6px;
  border-radius: 8px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.25);
  color: rgba(233,237,246,.95);
}

.breadcrumbs{
  font-size:12px;
  color:var(--muted);
  margin-bottom:10px;
}
.breadcrumbs a{ color:var(--muted); }
.breadcrumbs a:hover{ color:var(--text); }

.footer{
  border-top: 1px solid var(--line);
  background: rgba(7,8,12,.7);
  margin-top: 26px;
}
.footer-inner{
  padding:18px 0;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:14px;
}
.footer small{ color:var(--muted); display:block; margin-top:8px; }
.footer-nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:flex-end;
}
.footer-nav a{ color:var(--muted); padding:6px 8px; border-radius: 10px; }
.footer-nav a:hover{ color:var(--text); text-decoration:none; background: rgba(255,255,255,.04); }

.notice{
  border: 1px solid rgba(255,176,0,.24);
  background: rgba(255,176,0,.08);
  color: rgba(233,237,246,.95);
  padding:12px 14px;
  border-radius: 14px;
  font-size:13px;
}
.notice b{ color: var(--brand); }

.agegate{
  position:fixed;
  inset:0;
  z-index:999;
  display:none;
  background: rgba(0,0,0,.72);
  align-items:center;
  justify-content:center;
  padding:18px;
}
.agegate[data-open="true"]{ display:flex; }
.agegate-panel{
  width:min(560px, 100%);
  border-radius: 18px;
  border:1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(16,21,33,.96), rgba(10,12,18,.96));
  box-shadow: var(--shadow);
  padding:18px;
}
.agegate-panel h2{ margin:0 0 8px; font-size:18px; }
.agegate-panel p{ margin:0 0 12px; color:var(--muted); font-size:13px; }
.agegate-actions{ display:flex; gap:10px; flex-wrap:wrap; }

.seo-noindex{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--line);
  background: rgba(255,255,255,.02);
  padding:8px 10px;
  border-radius: 999px;
}

@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .brand{ min-width:unset; }
  .headline{ font-size:28px; }
  .grid-3{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; }
  .footer-nav{ justify-content:flex-start; }
  .nav{ display:none; }
  .menu-btn{ display:inline-flex; }
  .breadcrumb-bar{ display:block; }
  .content-card .breadcrumbs{ display:none; }
  .ad-slot{
    position: relative;
    z-index: 100;
    height: var(--mobile-ad-height, 0px);
    top: auto;
  }
  .ad-slot .adbar{
    position: fixed;
    left: 0;
    right: 0;
    z-index: 100;
  }
  .adbar-ads{
    grid-template-columns: repeat(4, minmax(62px, 1fr));
    gap:10px;
  }
}