:root{color-scheme:dark;--bg:#07131c;--panel:rgba(12,28,40,.88);--line:rgba(119,225,255,.16);--cyan:#3be4ed;--blue:#2b7fff;--text:#eefaff;--muted:#91a8b8;--danger:#ff7788;--ok:#4ce0ad;--warn:#ffc766}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 12% 10%,#103e58 0,transparent 33%),radial-gradient(circle at 92% 30%,#112e68 0,transparent 36%),var(--bg);color:var(--text);font:15px/1.65 Inter,"PingFang SC","Microsoft YaHei",sans-serif}.shell{width:min(980px,calc(100% - 32px));margin:auto;padding:28px 0 40px}.brand{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px}.brand .brand-name{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:21px;font-weight:750}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#03131e;font-size:14px;box-shadow:0 0 25px #38d8e955}.brand-sub{color:var(--muted)}.hero{display:grid;grid-template-columns:1fr 190px;gap:35px;align-items:center;margin:20px 28px 35px}.eyebrow{margin:0;color:var(--cyan);font-weight:700;letter-spacing:.12em}.hero h1{font-size:clamp(31px,5vw,52px);line-height:1.12;margin:8px 0 13px}.hero p:last-child{max-width:650px;color:var(--muted);margin:0}.orb{position:relative;width:160px;height:160px;margin:auto;border:1px solid #64e8ff44;border-radius:50%;box-shadow:inset 0 0 38px #19c8e822,0 0 55px #137da833;animation:float 5s ease-in-out infinite}.orb:before{content:"AI";position:absolute;inset:35px;display:grid;place-items:center;border-radius:36%;background:linear-gradient(145deg,#152d42,#07141e);border:1px solid #69edff55;color:var(--cyan);font-weight:800;font-size:28px;box-shadow:0 0 25px #32dbea33}.orb span{position:absolute;inset:12px;border:1px solid #277fff44;border-radius:42%;transform:rotate(35deg)}.orb span:nth-child(2){transform:rotate(95deg)}.orb 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12px;border-radius:10px;background:#182d3a;color:var(--muted)}.service.normal{color:var(--ok);background:#10372c}.service.unstable{color:var(--warn);background:#3a2f18}.service.abnormal{color:var(--danger);background:#3c1c25}.activate{grid-template-columns:1fr 1fr;margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}.wide,.privacy,.activate .primary{grid-column:1/-1}.check{display:flex;align-items:center;gap:8px;color:var(--muted)}.check input{width:auto}.privacy{padding:12px 14px;border-radius:10px;background:#0b202c;color:var(--muted);font-size:13px}.aftercare{margin-top:22px;padding:20px;border:1px dashed #315c72;border-radius:16px}.aftercare h3{margin:0}.aftercare p{color:var(--muted)}.aftercare button{margin-top:14px}footer{display:flex;justify-content:space-between;gap:15px;padding:25px 5px;color:#78909e;font-size:13px}footer a{color:#aeeff4;text-decoration:none}[hidden]{display:none!important}@media(max-width:680px){.shell{width:min(100% - 20px,980px);padding-top:18px}.hero{grid-template-columns:1fr;margin:35px 8px 25px}.orb{display:none}.card{padding:20px 15px;border-radius:19px}.steps i{width:20px;margin:0 5px}.steps span{font-size:0}.steps b{font-size:13px}.form-grid,.activate{grid-template-columns:1fr}.form-grid .primary{width:100%}.facts{grid-template-columns:1fr}.brand-sub{font-size:13px}footer{flex-direction:column}.product-head{align-items:flex-start}}