:root{--bg:#070b16;--bg-soft:#0c1224;--panel:#101938;--panel-2:#16224a;--line:rgba(255, 255, 255, 0.08);--text:#eaf0ff;--muted:#93a0c4;--violet:#7c5cff;--cyan:#22d3ee;--pink:#ff5ca8;--radius:16px;--shadow:0 20px 50px rgba(0, 0, 0, 0.45);--mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}a{color:var(--cyan);text-decoration:none;transition:color .25s}a:hover{color:var(--violet)}h1,h2,h3,h4{line-height:1.3;font-weight:800}h2{font-size:34px;text-align:center;margin-bottom:12px;letter-spacing:1px}h3{font-size:20px}.container{width:1180px;max-width:92%;margin:0 auto}.section-head{text-align:center;margin-bottom:56px}.section-head p{color:var(--muted);font-size:16px;max-width:680px;margin:0 auto}.section-head .kicker{display:inline-block;color:var(--cyan);letter-spacing:3px;font-size:13px;margin-bottom:10px;text-transform:uppercase;font-family:var(--mono)}.topbar{position:sticky;top:0;z-index:1000;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 4%;background:rgba(7,11,22,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.topbar .brand{font-size:20px;font-weight:800;letter-spacing:.5px}.topbar .brand b{color:var(--violet)}.topbar nav{display:flex;gap:26px}.topbar nav a{color:var(--muted);font-size:15px}.topbar nav a:hover{color:var(--text)}.topbar .hot{background:linear-gradient(135deg,var(--violet),var(--cyan));color:#fff;padding:8px 18px;border-radius:30px;font-weight:700;font-size:14px}.topbar .hot:hover{color:#fff;filter:brightness(1.08)}.hero{position:relative;padding:80px 4% 100px;overflow:hidden;background:radial-gradient(1100px 520px at 82% -12%,rgba(124,92,255,.22),transparent 60%),radial-gradient(900px 520px at 0 115%,rgba(34,211,238,.18),transparent 55%)}.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(circle at 50% 30%,#000 30%,transparent 78%);mask-image:radial-gradient(circle at 50% 30%,#000 30%,transparent 78%);pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr 0.9fr;gap:50px;align-items:center;max-width:1180px;margin:0 auto}.hero h1{font-size:46px;line-height:1.2;margin-bottom:20px;background:linear-gradient(90deg,#fff 30%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}.hero .lead{color:var(--muted);font-size:18px;margin-bottom:28px;max-width:520px}.hero .tags{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}.hero .tags span{border:1px solid var(--line);padding:6px 14px;border-radius:30px;font-size:13px;color:var(--muted);background:rgba(124,92,255,.08);font-family:var(--mono)}.hero .cta{display:flex;gap:16px}.btn{display:inline-block;padding:13px 30px;border-radius:40px;font-weight:700;font-size:16px;cursor:pointer;border:none;transition:transform .25s,box-shadow .25s}.btn-violet{background:linear-gradient(135deg,var(--violet),var(--cyan));color:#fff}.btn-violet:hover{color:#fff;transform:translateY(-3px);box-shadow:0 14px 30px rgba(124,92,255,.4)}.btn-ghost{background:0 0;color:var(--text);border:1px solid var(--line)}.btn-ghost:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-3px)}.console{background:#0a1024;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);font-family:var(--mono)}.console__bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#0d1530;border-bottom:1px solid var(--line)}.console__dot{width:11px;height:11px;border-radius:50%}.console__dot.r{background:#ff5f56}.console__dot.y{background:#ffbd2e}.console__dot.g{background:#27c93f}.console__title{margin-left:8px;color:var(--muted);font-size:13px}.console__body{padding:20px 18px;font-size:13.5px;line-height:2;color:#cdd6f4;min-height:230px}.console__body .prompt{color:var(--cyan)}.console__body .cmd{color:#eaf0ff}.console__body .out{color:var(--muted);display:block}.console__body .ok{color:#27c93f}.console__body .warn{color:var(--pink)}.console__cursor{display:inline-block;width:8px;height:16px;background:var(--cyan);vertical-align:middle;animation:1s steps(1) infinite blink}@keyframes blink{50%{opacity:0}}.section{padding:90px 0}.section.alt{background:linear-gradient(180deg,var(--bg-soft),var(--bg))}.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.mode{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;transition:transform .3s,border-color .3s}.mode::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--violet),var(--cyan));opacity:0;transition:opacity .3s}.mode:hover{transform:translateY(-8px);border-color:rgba(34,211,238,.4)}.mode:hover::before{opacity:1}.mode .ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:26px;margin-bottom:16px;background:rgba(124,92,255,.14);border:1px solid rgba(124,92,255,.28)}.mode h3{margin-bottom:8px;font-size:18px}.mode p{color:var(--muted);font-size:14px}.mode .meta{margin-top:14px;font-family:var(--mono);font-size:12px;color:var(--cyan);opacity:.8}.feat-row{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-bottom:26px}.feat-row:nth-child(2n) 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var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px}.to-top{position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--violet),var(--cyan));color:#fff;border:none;font-size:20px;cursor:pointer;opacity:0;visibility:hidden;transition:.3s;z-index:999}.to-top.show{opacity:1;visibility:visible}.to-top:hover{transform:translateY(-3px)}