:root{color-scheme:light;--bg:#f5f7fa;--surface:#fff;--ink:#18202d;--muted:#697385;--faint:#939cab;--line:#e3e7ed;--blue:#3868bc;--blue-soft:#edf3fd;--red:#aa4242;--shadow:0 18px 55px rgba(25,37,57,.09)}*{box-sizing:border-box}html{font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}body{margin:0;min-height:100vh}.register-header{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,72px);border-bottom:1px solid rgba(227,231,237,.85)}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.brand>span{width:32px;height:32px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:10px;font-size:14px;font-weight:700}.brand strong{font-size:14px}.portal-link{color:#315a9f;text-decoration:none;font-size:12px;font-weight:650}main{width:min(1000px,calc(100% - 32px));margin:0 auto;padding:72px 0 90px;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,440px);gap:80px;align-items:center}.eyebrow{margin:0 0 12px;color:var(--blue);font-size:11px;font-weight:700;letter-spacing:.08em}.intro h1{margin:0 0 20px;font-size:clamp(40px,5vw,64px);line-height:1.03;letter-spacing:-.055em;font-weight:650}.intro>p:not(.eyebrow){max-width:600px;color:var(--muted);font-size:14px;line-height:1.8}.flow-steps{margin:34px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;list-style:none}.flow-steps li{display:grid;gap:7px;color:var(--faint);font-size:10px}.flow-steps span{width:28px;height:28px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;font-weight:700}.flow-steps .active{color:var(--blue)}.flow-steps .active span{color:#fff;background:var(--blue);border-color:var(--blue)}.account-card{padding:34px;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}h2{margin:0 0 8px;font-size:24px;letter-spacing:-.035em}.account-card>div>p:not(.eyebrow){margin:0;color:var(--muted);font-size:12px;line-height:1.6}form{margin-top:28px;display:grid;gap:16px}label{display:grid;gap:7px;color:var(--muted);font-size:11px;font-weight:620}label small{color:var(--faint);font-size:10px;font-weight:500;line-height:1.45}input{width:100%;height:46px;padding:0 12px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:13px;outline:none}input:focus{border-color:#8ba8d7;box-shadow:0 0 0 3px rgba(56,104,188,.09)}.honey{position:absolute;left:-10000px}.primary-button{min-height:46px;margin-top:4px;padding:0 16px;color:#fff;background:var(--blue);border:0;border-radius:10px;cursor:pointer;font:inherit;font-size:13px;font-weight:650}.primary-button:disabled{cursor:not-allowed;opacity:.5}.form-error{margin:0;padding:10px 12px;color:#8c3434;background:#fff0f0;border:1px solid #f0cccc;border-radius:9px;font-size:11px}.legal-note{margin:0;color:var(--faint);font-size:10px;line-height:1.55;text-align:center}footer{height:64px;padding:0 clamp(20px,5vw,72px);display:flex;align-items:center;justify-content:space-between;color:var(--faint);border-top:1px solid var(--line);font-size:10px}footer a{color:var(--muted);text-decoration:none}@media(max-width:820px){main{grid-template-columns:1fr;gap:36px;padding-top:48px}.intro h1{font-size:46px}.account-card{width:min(520px,100%);margin:0 auto}}@media(max-width:480px){.register-header{padding:0 18px}.portal-link{font-size:11px}main{width:min(100% - 24px,1000px);padding-top:36px}.intro h1{font-size:38px}.flow-steps{grid-template-columns:repeat(2,1fr);gap:14px}.account-card{padding:25px 20px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}