:root{
  --bg: #0b0b0c;
  --bg-elev: #121214;
  --txt: #f2f2f2;
  --muted: #b6b6b6;
  --gold: #d4af37;
  --gold-2: #b8860b;
  --accent: #ffe08a;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.3);
  --maxw: 1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font:16px/1.4 system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;
  color:var(--txt);
  background: radial-gradient(1200px 600px at 50% -10%, #1a1200 0%, var(--bg) 45%);
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
/* Header */
.header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,11,12,.82);backdrop-filter:saturate(1.2) blur(8px);
  border-bottom:1px solid rgba(212,175,55,.2);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.4px}
.brand img{width:32px;height:32px;border-radius:8px}
.menu{display:flex;gap:18px;flex-wrap:wrap}
.menu a{padding:8px 10px;border-radius:10px}
.menu a.active,.menu a:hover{background:rgba(212,175,55,.12)}
.menu-toggle{display:none;border:1px solid rgba(212,175,55,.4);padding:8px 10px;background:transparent;color:var(--txt);border-radius:10px}
@media (max-width: 860px){
  .menu{display:none;flex-direction:column;background:var(--bg-elev);padding:10px;border:1px solid rgba(212,175,55,.2);border-radius:12px;margin-top:10px}
  .menu.show{display:flex}
  .menu-toggle{display:block}
}
/* Hero */
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;padding:40px 0}
.hero img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.hero .lead{background:linear-gradient(180deg, rgba(212,175,55,.12), transparent 60%);padding:20px;border-radius:var(--radius)}
.hero h1{font-size:clamp(28px,5vw,44px);margin:0 0 10px}
.hero p{margin:0 0 16px;color:var(--muted)}
.cta{display:inline-block;background:linear-gradient(180deg, var(--gold), var(--gold-2));
  color:#171717;padding:12px 18px;border-radius:12px;font-weight:700;box-shadow:0 6px 18px rgba(212,175,55,.35)}
.cta:hover{transform:translateY(-1px)}
/* Cards grid */
.grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
@media (max-width: 1024px){.grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width: 700px){.grid{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--bg-elev);border:1px solid rgba(212,175,55,.15);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.card img{width:100%;display:block;aspect-ratio:8/11;object-fit:cover}
.card .p{padding:10px}
.badge{display:inline-block;padding:4px 8px;border:1px solid rgba(212,175,55,.5);border-radius:999px;font-size:12px;color:var(--accent)}
.muted{color:var(--muted)}
.section{padding:40px 0}
.section h2{margin:0 0 10px}
.section p{margin:0 0 16px;color:var(--muted)}
/* Footer */
.footer{margin-top:40px;padding:30px 0;border-top:1px solid rgba(212,175,55,.2);background:#0d0d0f}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:20px}
@media (max-width: 860px){.footer .cols{grid-template-columns:1fr 1fr}}
.footer small{color:#a6a6a6}
.footer .legal{margin-top:16px;color:#8d8d8d}
/* Filters */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 20px}
.filter-btn{padding:8px 12px;border:1px solid rgba(212,175,55,.4);border-radius:999px;background:transparent;color:var(--txt);cursor:pointer}
.filter-btn.active{background:rgba(212,175,55,.15)}
/* Back to top */
#toTop{position:fixed;right:16px;bottom:16px;padding:10px 12px;border-radius:999px;border:1px solid rgba(212,175,55,.6);background:rgba(0,0,0,.6);color:var(--txt);display:none}

/* ===== 滚动广告样式 ===== */
.ad-scroller {
  --ad-height: 180px;         /* 广告高度：可改 */
  --gap: 24px;                /* 项间距：可改 */
  --speed: 40s;               /* 完整一轮滚动时间：可改 */
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  background: #0f0f12;
  padding: 12px 0;
}

.ad-track {
  display: flex;
  gap: var(--gap);
  align-items: center;
  will-change: transform;
  animation: ad-scroll var(--speed) linear infinite;
}

.ad-item {
  flex: 0 0 auto;
  display: block;
}

.ad-item img {
  height: var(--ad-height);
  width: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,.25);
}

/* 悬停暂停（桌面端） */
.ad-scroller:hover .ad-track {
  animation-play-state: paused;
}

/* 关键帧：从 0 到 -50%（因为后面会克隆一遍，实现无缝） */
@keyframes ad-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(-1 * var(--loop, 50%))); }
}


/* 响应式微调 */
@media (max-width: 768px) {
  .ad-scroller { --ad-height: 72px; --gap: 12px; }
}