:root{
  --bg:#0b0d16;
  --bg-alt:#121525;
  --text:#f5f7ff;
  --muted:#b7c0d9;
  --primary:#7c5cff;
  --primary-2:#00d4ff;
  --accent:#ff5c9a;
  --border:rgba(255,255,255,0.1);
  --shadow:0 18px 45px rgba(0,0,0,0.35);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Space Grotesk","Noto Sans SC",system-ui,sans-serif;background:radial-gradient(circle at 20% 0%,rgba(124,92,255,0.35),transparent 45%),radial-gradient(circle at 80% 10%,rgba(0,212,255,0.25),transparent 55%),var(--bg);color:var(--text);line-height:1.7}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

.topbar{position:sticky;top:0;z-index:1000;background:rgba(11,13,22,0.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{height:28px;width:auto;border-radius:8px;box-shadow:0 0 0 2px rgba(255,255,255,0.12)}
.brand-text strong{font-weight:700;letter-spacing:0.4px}
.brand-text span{display:block;color:var(--muted);font-size:12px}
.topbar-actions{display:flex;gap:10px;align-items:center}
.search{background:#121525;border:1px solid var(--border);color:#fff;border-radius:10px;padding:8px 12px;min-width:220px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));border:none;color:#fff;padding:8px 14px;border-radius:10px;cursor:pointer}

.nav{background:#0f1220;border-top:1px solid var(--border)}
.nav-inner{display:flex;gap:18px;align-items:center;padding:10px 0}
.nav-inner a{color:var(--muted);padding:6px 10px;border-radius:10px}
.nav-inner a:hover{color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent))}
.nav-toggle{display:none}
.mobile-nav{display:none}

.ticker{border-bottom:1px solid var(--border);background:#0f1220}
.ticker-track{display:flex;gap:28px;white-space:nowrap;overflow:hidden;padding:10px 0;animation:scroll 18s linear infinite}
.ticker-track span{color:var(--muted);font-size:13px}
@keyframes scroll{0%{transform:translateX(0)}100%{transform:translateX(-40%)} }

.banner{padding:20px 0 8px}
.banner-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:16px;align-items:start}
.banner-left{display:grid;gap:12px}
.banner-main{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}
.banner-slide{display:none;position:relative}
.banner-slide.active{display:block}
.banner-slide img{aspect-ratio:16/9;object-fit:cover}
.banner-text{position:absolute;left:14px;bottom:14px;background:rgba(15,18,32,0.75);padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,0.12)}
.banner-text span{font-size:12px;color:var(--muted)}
.banner-text h1{font-size:18px;margin:6px 0}
.banner-text p{font-size:12px;color:var(--muted)}
.banner-dots{position:absolute;right:12px;bottom:12px;display:flex;gap:6px}
.banner-dots button{width:8px;height:8px;border-radius:50%;border:0;background:rgba(255,255,255,0.4);cursor:pointer}
.banner-dots button.active{background:#fff}
.banner-side{display:grid;gap:10px;grid-template-columns:repeat(2,1fr)}
.banner-side .side-card{min-height:auto}
.side-card{background:#121525;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:0.3s}
.side-card:hover{transform:translateY(-3px);border-color:rgba(124,92,255,0.45)}
.side-card img{aspect-ratio:4/3;object-fit:cover}
.side-card h3{padding:10px 12px 0;font-size:15px}
.side-card p{padding:0 12px 10px;color:var(--muted);font-size:12px}

.section{padding:36px 0}
.section.alt{background:var(--bg-alt)}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px}
.section-head p{color:var(--muted)}
.tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab{padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,0.06);color:var(--muted);cursor:pointer}
.tab.active{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff}

.news-layout{display:grid;grid-template-columns:1.6fr 0.4fr;gap:16px}
.news-left{display:grid;gap:10px}
.news-grid-2{grid-template-columns:repeat(2,1fr);display:grid;gap:10px}
.news-row{background:#121525;border:1px solid var(--border);border-radius:12px;display:grid;grid-template-columns:100px 1fr;gap:10px;align-items:center;padding:10px;transition:0.3s}
.news-row:hover{transform:translateY(-4px);border-color:rgba(124,92,255,0.45)}
.news-row img{width:100px;height:70px;object-fit:cover;border-radius:8px}
.news-row h3{font-size:15px;margin-bottom:4px}
.news-row p{font-size:13px;color:var(--muted)}
.meta{color:var(--muted);font-size:12px;margin-bottom:6px}
.panel{background:#121525;border:1px solid var(--border);border-radius:12px;padding:12px;box-shadow:var(--shadow)}
.panel h3{font-size:15px;margin-bottom:8px}
.panel ol,.panel ul{padding-left:18px;color:var(--muted);font-size:13px;display:grid;gap:6px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:#121525;border:1px solid var(--border);border-radius:12px;padding:14px;box-shadow:var(--shadow);transition:0.3s}
.card img{border-radius:10px;margin-bottom:10px;aspect-ratio:16/9;object-fit:cover}
.card:hover{transform:translateY(-4px);border-color:rgba(124,92,255,0.45)}

.guide-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.guide-item{background:#121525;border:1px solid var(--border);border-radius:12px;padding:10px;display:grid;grid-template-columns:120px 1fr;gap:12px;align-items:center}
.guide-item img{width:120px;height:80px;border-radius:8px;object-fit:cover}

.tag-cloud{display:flex;gap:10px;flex-wrap:wrap}
.tag-cloud span{background:rgba(255,255,255,0.08);border:1px solid var(--border);padding:6px 10px;border-radius:999px;font-size:12px}

.faq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.faq-grid details{background:#121525;border:1px solid var(--border);border-radius:12px;padding:10px 12px}
.faq-grid summary{cursor:pointer;font-weight:700}
.faq-grid p{color:var(--muted);margin-top:6px;font-size:13px}

.float-contact{position:fixed;right:18px;bottom:18px;z-index:1000}
.float-btn{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;padding:10px 16px;border-radius:999px;box-shadow:0 18px 40px rgba(124,92,255,0.35)}

.site-footer{padding:24px 0;border-top:1px solid var(--border);background:#0f1220}
.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}
.footer-links{display:flex;gap:8px;flex-wrap:wrap}
.footer-links span{background:rgba(255,255,255,0.08);border:1px solid var(--border);padding:6px 10px;border-radius:999px;font-size:12px}
.footer-bottom{text-align:center;color:var(--muted);font-size:12px;margin-top:12px}

@media(max-width:1000px){
  .banner-grid,.news-layout{grid-template-columns:1fr}
  .news-grid-2{grid-template-columns:1fr}
  .banner-bottom{grid-template-columns:1fr}
}
@media(max-width:900px){
  .topbar-inner{flex-direction:column;align-items:flex-start}
  .topbar-actions{width:100%;gap:8px}
  .search{flex:1;min-width:0;width:100%}
  .nav-inner{overflow-x:auto;white-space:nowrap}
  .nav-inner a{flex:0 0 auto}
  .banner-grid{grid-template-columns:1fr}
  .banner-main{border-radius:14px}
  .banner-text{left:10px;right:10px}
  .banner-side{grid-template-columns:repeat(2,1fr)}
  .banner-bottom{grid-template-columns:1fr}
  .mini-news{grid-template-columns:72px 1fr}
  .mini-news img{width:72px;height:48px}
  .mini-news h4{font-size:13px}
  .mini-news p{font-size:12px}
  .news-layout{grid-template-columns:1fr}
  .news-left{gap:12px}
  .news-row{grid-template-columns:1fr}
  .news-row img{width:100%;height:auto}
  .grid-3{grid-template-columns:1fr}
  .guide-list{grid-template-columns:1fr}
  .guide-item{grid-template-columns:1fr}
  .guide-item img{width:100%;height:auto}
  .faq-grid{grid-template-columns:1fr}
  .tag-cloud{gap:6px}
}
.banner-bottom{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.mini-news{background:#121525;border:1px solid var(--border);border-radius:12px;padding:10px;display:grid;grid-template-columns:64px 1fr;gap:10px;align-items:center}
.mini-news img{width:64px;height:44px;object-fit:cover;border-radius:8px}
.mini-news h4{font-size:14px;margin-bottom:4px;line-height:1.3}
.mini-news p{font-size:12px;color:var(--muted);line-height:1.4}
.mini-news{transition:0.3s}
.mini-news:hover{transform:translateY(-3px);border-color:rgba(0,212,255,0.45)}