:root{--purple: #722ed1;--purple-d: #531dab;--pink: #ff6bff;--ink: #1a1a2e;--ink-2: #4a4a68;--muted: #6b6b85;--line: #ececf3;--bg: #ffffff;--bg-alt: #f7f7fb;--radius: 14px;--maxw: 1120px;--shadow: 0 8px 30px rgba(82, 29, 171, .08);--grad: linear-gradient(120deg, var(--purple), var(--pink))}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}.container--narrow{max-width:760px}.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;font-weight:600;font-size:15px;padding:11px 22px;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap}.btn--primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px #722ed152}.btn--primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px #722ed16b}.btn--primary:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.btn--ghost{background:#fff;color:var(--purple);border-color:var(--line)}.btn--ghost:hover{border-color:var(--purple);transform:translateY(-2px)}.btn--lg{padding:14px 30px;font-size:16px}.btn--sm{padding:8px 16px;font-size:14px}.btn--block{width:100%}.nav{position:sticky;top:0;z-index:50;background:#ffffffd1;-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}.nav__inner{display:flex;align-items:center;justify-content:space-between;height:64px}.nav__brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:-.02em}.nav__links{display:flex;gap:28px}.nav__links a{color:var(--ink-2);font-weight:500;font-size:15px}.nav__links a:hover{color:var(--purple)}.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 50% -10%,rgba(114,46,209,.1),transparent 60%)}.hero__inner{text-align:center;padding:96px 24px 80px;position:relative;z-index:1}.hero__eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--purple);background:#722ed114;border:1px solid rgba(114,46,209,.18);padding:6px 14px;border-radius:999px;margin-bottom:22px}.hero__title{font-size:clamp(34px,5.4vw,58px);line-height:1.08;letter-spacing:-.03em;margin:0 auto 20px;max-width:14ch;font-weight:800}.hero__sub{font-size:clamp(16px,2vw,19px);color:var(--ink-2);max-width:60ch;margin:0 auto 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auto;max-width:56ch}.grid{display:grid;gap:22px}.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#722ed140}.card__icon{font-size:30px;margin-bottom:14px}.card__title{font-size:18px;font-weight:700;margin:0 0 8px}.card__desc{color:var(--ink-2);font-size:14.5px;margin:0}.mode{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}.mode--soon{opacity:.92;border-style:dashed}.mode__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.mode__title{font-size:19px;font-weight:700;margin:0}.mode__desc{color:var(--ink-2);font-size:14.5px;margin:0}.badge{font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}.badge--live{color:#fff;background:var(--grad)}.badge--soon{color:var(--muted);background:var(--bg-alt);border:1px solid var(--line)}.tech{display:flex;gap:18px;align-items:flex-start;padding:8px 0}.tech__num{font-size:26px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;flex-shrink:0;min-width:42px}.tech__title{font-size:18px;font-weight:700;margin:0 0 6px}.tech__desc{color:var(--ink-2);font-size:14.5px;margin:0}.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 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