:root{--bg:#05060d;--fg:#e2e8f0;--mut:#64748b;--card:#0f1322;--accent:#22d3ee;--accent2:#a855f7;--line:#1e293b;}
*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--fg);font-family:'PingFang SC','Segoe UI',sans-serif;line-height:1.6}
body{background-image:linear-gradient(rgba(34,211,238,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(34,211,238,.04) 1px,transparent 1px);background-size:50px 50px}
a{color:inherit;text-decoration:none}
.a73-bar{background:linear-gradient(90deg,#a855f7,#22d3ee);color:#000;font-weight:700;font-size:12px;text-align:center;padding:5px;letter-spacing:2px}
.a73-nav{background:rgba(15,19,34,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--accent);padding:14px 0;position:sticky;top:0;z-index:9}
.a73-c{max-width:1320px;margin:0 auto;padding:0 24px}
.a73-flex{display:flex;align-items:center;gap:32px}
.a73-logo{font-family:'Courier New',monospace;font-size:22px;font-weight:900;color:var(--accent);text-shadow:0 0 12px rgba(34,211,238,.6)}
.a73-logo span{color:var(--accent2)}
.a73-link{display:flex;gap:2px;flex:1;flex-wrap:wrap}
.a73-link a{padding:10px 18px;font-size:14px;color:var(--mut);font-family:'Courier New',monospace;text-transform:uppercase;letter-spacing:1px;border-bottom:2px solid transparent}
.a73-link a:hover,.a73-link a.on{color:var(--accent);border-bottom-color:var(--accent);text-shadow:0 0 8px rgba(34,211,238,.6)}
.a73-hero{padding:90px 0;position:relative;overflow:hidden}
.a73-hero::before{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(168,85,247,.18),transparent 60%);}
.a73-hero h1{font-size:60px;font-weight:900;text-align:center;background:linear-gradient(135deg,#22d3ee,#a855f7);-webkit-background-clip:text;color:transparent;letter-spacing:4px;margin-bottom:20px;position:relative}
.a73-hero p{text-align:center;color:var(--mut);max-width:700px;margin:0 auto;font-size:15px;position:relative}
.a73-stat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:50px;position:relative}
.a73-stat div{text-align:center;padding:20px;border:1px solid var(--line);background:rgba(15,19,34,.5)}
.a73-stat strong{display:block;font-size:30px;color:var(--accent);font-family:'Courier New',monospace}
.a73-stat span{color:var(--mut);font-size:12px;letter-spacing:2px;text-transform:uppercase}
.a73-sec{padding:60px 0}
.a73-h{display:flex;align-items:center;gap:14px;margin-bottom:34px}
.a73-h::before{content:">";color:var(--accent);font-family:'Courier New';font-size:28px;font-weight:900}
.a73-h h2{font-size:28px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
.a73-h::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--accent),transparent)}
.a73-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1px;background:var(--line)}
.a73-cell{background:var(--card);padding:0;transition:.3s;position:relative}
.a73-cell:hover{background:#161b2e;box-shadow:inset 0 0 0 1px var(--accent)}
.a73-img{aspect-ratio:16/9;background:#000;overflow:hidden;position:relative}
.a73-img img{width:100%;height:100%;object-fit:cover;filter:saturate(1.1)}
.a73-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(5,6,13,.9))}
.a73-id{position:absolute;top:10px;left:10px;color:var(--accent);font-family:'Courier New',monospace;font-size:11px;background:rgba(0,0,0,.7);padding:3px 7px;z-index:2}
.a73-d{position:absolute;bottom:8px;right:10px;color:#fff;font-family:'Courier New',monospace;font-size:12px;z-index:2}
.a73-body{padding:16px 18px}
.a73-body h3{font-size:15px;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.a73-body p{font-size:12px;color:var(--mut);font-family:'Courier New',monospace}
.a73-talk{background:var(--card);border:1px solid var(--line);padding:30px;margin-top:30px}
.a73-talk h3{color:var(--accent);font-family:'Courier New',monospace;margin-bottom:20px;font-size:18px;letter-spacing:2px}
.a73-msg{padding:14px;border-left:2px solid var(--accent2);margin-bottom:14px;background:rgba(168,85,247,.05)}
.a73-msg b{color:var(--accent);font-family:'Courier New',monospace}.a73-msg small{color:var(--mut);margin-left:10px;font-size:11px}.a73-msg p{margin-top:6px;color:#cbd5e1;font-size:14px}
.a73-foot{border-top:1px solid var(--line);padding:50px 0 24px;margin-top:50px;background:rgba(15,19,34,.6)}
.a73-fg{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.a73-fg h4{color:var(--accent);font-family:'Courier New',monospace;margin-bottom:14px;font-size:14px;text-transform:uppercase;letter-spacing:2px}
.a73-fg a{display:block;color:var(--mut);font-size:13px;padding:3px 0}
.a73-cp{border-top:1px solid var(--line);padding-top:20px;text-align:center;color:var(--mut);font-family:'Courier New',monospace;font-size:12px}
@media(max-width:768px){.a73-hero h1{font-size:36px}.a73-stat{grid-template-columns:repeat(2,1fr)}.a73-link{display:none}}