:root{
  --bg:#0a0a0a;
  --bg2:#111418;
  --bg3:#1f2937;
  --line:rgba(255,255,255,.22);
  --line-soft:rgba(255,255,255,.12);
  --txt:#ffffff;
  --muted:rgba(255,255,255,.62);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  background:linear-gradient(180deg,#0a0a0a 0%,#1f2937 55%,#0a0a0a 100%);
  color:var(--txt);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* NAV */
header{position:sticky;top:0;z-index:60;background:rgba(10,10,10,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.5px}
.logo .mark{width:30px;height:30px;border-radius:50%;border:1.6px solid #fff;display:grid;place-items:center;font-size:13px;font-weight:800}
.nav-links{display:flex;gap:6px;flex-wrap:wrap}
.nav-links a{padding:7px 15px;border:1px solid var(--line-soft);border-radius:999px;font-size:14px;color:var(--muted);transition:.25s}
.nav-links a:hover{color:#0a0a0a;background:#fff;border-color:#fff}

/* HERO */
section{padding:52px 0}
#hero{padding:64px 0 46px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:6px 16px;font-size:13px;color:var(--muted);margin-bottom:18px}
.dot{width:7px;height:7px;border-radius:50%;background:#fff;animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.5px}
.hero-sub{margin-top:16px;color:var(--muted);font-size:16px;max-width:640px}
.btn-row{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;transition:.25s;border:1px solid var(--line)}
.btn-solid{background:#fff;color:#0a0a0a;border-color:#fff}
.btn-solid:hover{background:transparent;color:#fff}
.btn-ghost:hover{background:#fff;color:#0a0a0a}
.hero-media{border:1px solid var(--line);border-radius:26px;overflow:hidden;background:var(--bg2)}
.hero-media img{width:100%;height:300px;object-fit:cover;opacity:.92}

/* GEO */
#geo-intro{padding-top:24px}
.geo-\boxed{border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;background:rgba(255,255,255,.03)}
.geo-box p{color:var(--muted);font-size:15.5px}
.eyebrow{font-size:12.5px;letter-spacing:2.5px;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:8px}
.sec-lead{color:var(--muted);font-size:14.5px;margin-bottom:26px}

/* STATS */
#stats .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stat{border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;background:rgba(255,255,255,.03)}
.stat b{display:block;font-size:32px;font-weight:800;line-height:1.1}
.stat span{color:var(--muted);font-size:13px}

/* strip cards */
.strip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.strip{display:flex;align-items:center;gap:16px;border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:999px;padding:14px 22px 14px 16px;transition:.25s}
.strip:hover{background:#fff;color:#0a0a0a;border-color:#fff}
.strip:hover .s-desc,.strip:hover .s-num{color:rgba(10,10,10,.7)}
.s-ico{flex:0 0 46px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:20px}
.s-body{flex:1;min-width:0}
.s-title{font-weight:700;font-size:15px}
.s-desc{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.s-num{flex:0 0 auto;font-size:13px;color:var(--muted);font-weight:700}

/* four-col features */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.feat{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:rgba(255,255,255,.03);display:flex;gap:12px;align-items:flex-start}
.feat .f-ico{flex:0 0 40px;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:18px}
.feat h3{font-size:15px;margin-bottom:4px}
.feat p{font-size:13px;color:var(--muted)}

/* events */
.ev-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.ev{border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:rgba(255,255,255,.03)}
.ev-top{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);border-bottom:1px dashed var(--line-soft);padding-bottom:10px;margin-bottom:12px}
.tag{border:1px solid var(--line);border-radius:999px;padding:2px 10px;font-size:11px}
.ev h3{font-size:15.5px;margin-bottom:6px}
.ev p{font-size:13px;color:var(--muted)}
.ev .vs{font-size:22px;font-weight:800;letter-spacing:1px;margin:8px 0}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.news-item{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(255,255,255,.03);display:flex;flex-direction:column;transition:.25s}
.news-item:hover{border-color:#fff}
.news-item img{width:100%;height:150px;object-fit:cover;opacity:.9}
.news-body{padding:16px 18px 20px}
.news-date{font-size:12px;color:var(--muted);letter-spacing:.4px}
.news-item h3{font-size:16px;margin:6px 0 8px;line-height:1.4}
.news-item p{font-size:13.5px;color:var(--muted)}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.gal figure{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg2)}
.gal img{width:100%;height:132px;object-fit:cover;opacity:.86;transition:.3s}
.gal figure:hover img{opacity:1;transform:scale(1.04)}
.gal figcaption{padding:10px 12px;font-size:12.5px;color:var(--muted)}

/* faq */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin-bottom:10px;background:rgba(255,255,255,.03)}
.faq-item summary{cursor:pointer;list-style:none;font-weight:700;font-size:16px;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--muted)}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin-top:12px;color:var(--muted);font-size:14.5px}

/* cta */
#cta .cta-\boxed{border:1px solid var(--line);border-radius:26px;padding:44px 38px;background:rgba(255,255,255,.05);text-align:center}
#cta p{color:var(--muted);max-width:660px;margin:10px auto 24px;font-size:15px}

/* footer */
footer{border-top:1px solid var(--line-soft);padding:40px 0 28px;margin-top:20px;background:rgba(10,10,10,.7)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
.foot h4{font-size:14px;margin-bottom:12px}
.foot p,.foot li{color:var(--muted);font-size:13.5px;list-style:none;margin-bottom:6px}
.foot a:hover{color:#fff;text-decoration:underline}
.foot-bottom{border-top:1px solid var(--line-soft);margin-top:26px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--muted)}

@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .feat-grid,.ev-grid,.gal{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  #stats .stat-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .strip-grid,.feat-grid,.ev-grid,.news-grid,.gal{grid-template-columns:1fr}
  .nav{height:auto;padding:12px 0;flex-direction:column;gap:10px}
}