:root{--bg: #0a0e1a;--card: rgba(255, 255, 255, .04);--line: rgba(255, 255, 255, .09);--text: #e8eef7;--muted: #93a1b8;--accent: #4dd0e1;--accent2: #7c6cff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:PingFang SC,Microsoft YaHei,Segoe UI,system-ui,-apple-system,sans-serif;color:var(--text);background:radial-gradient(900px 500px at 15% -10%,rgba(124,108,255,.28),transparent 60%),radial-gradient(900px 520px at 90% 0%,rgba(77,208,225,.22),transparent 55%),var(--bg);min-height:100vh;line-height:1.7}.page{max-width:1080px;margin:0 auto;padding:72px 22px 60px}.notice{display:flex;align-items:center;justify-content:center;gap:9px;margin:0 0 6px;padding:10px 18px;border:1px solid rgba(77,208,225,.35);border-radius:999px;background:#4dd0e114;color:#cfe9f2;font-size:13.5px;line-height:1.5;text-align:center;cursor:pointer;transition:border-color .18s ease,background .18s ease}.notice:hover{border-color:#4dd0e1b3;background:#4dd0e126}.notice b{color:#4dd0e1;font-weight:600}.notice-dot{width:7px;height:7px;border-radius:50%;background:#4dd0e1;box-shadow:0 0 0 4px #4dd0e12e;flex:none}.hero{text-align:center;padding-bottom:44px}.badge{display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--accent);border:1px solid rgba(77,208,225,.4);background:#4dd0e114;padding:5px 14px;border-radius:999px;margin-bottom:22px}.hero h1{font-size:clamp(30px,5.2vw,50px);margin:0 0 12px;letter-spacing:.01em;background:linear-gradient(92deg,#ffffff 10%,var(--accent) 55%,var(--accent2) 95%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero .sub{font-size:clamp(15px,2.4vw,19px);color:var(--text);margin:0 0 16px;font-weight:600}.hero .desc{max-width:620px;margin:0 auto 30px;color:var(--muted);font-size:15px}.hero .desc b{color:var(--text)}.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.btn{text-decoration:none;padding:12px 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