:root{--ink:#17221e;--muted:#64716c;--line:#dce4df;--surface:#fff;--canvas:#f2f6f3;--brand:#156f4a;--brand-dark:#0c5035;--brand-soft:#dff3e8;--danger:#b42318}*{box-sizing:border-box}html{background:var(--canvas);min-height:100%}body{background:var(--canvas);min-height:100vh;color:var(--ink);margin:0;font-family:Microsoft YaHei UI,Microsoft YaHei,system-ui,sans-serif}button,input{font:inherit}.auth-page{grid-template-columns:minmax(0,1.08fr) minmax(380px,.92fr);min-height:100vh;display:grid}.auth-intro{color:#f7fff9;background:radial-gradient(circle at 82% 18%,#79daa459,#0000 28%),radial-gradient(circle at 18% 85%,#459a6e59,#0000 30%),linear-gradient(145deg,#092a1d 0%,#0f5035 52%,#17744d 100%);flex-direction:column;justify-content:space-between;min-height:100vh;padding:clamp(32px,5vw,72px);display:flex;position:relative;overflow:hidden}.auth-intro:after{content:"";border:1px solid #ffffff26;border-radius:50%;width:420px;height:420px;position:absolute;bottom:-120px;right:-110px;box-shadow:0 0 0 70px #ffffff0a,0 0 0 140px #ffffff06}.auth-brand{z-index:1;align-items:center;gap:12px;font-size:18px;font-weight:700;display:flex;position:relative}.auth-brand-mark{color:#0d5136;background:#e7fff0;border-radius:13px;place-items:center;width:42px;height:42px;display:grid;box-shadow:0 10px 30px #0000002e}.auth-intro-copy{z-index:1;max-width:700px;position:relative}.auth-kicker{letter-spacing:.18em;text-transform:uppercase;margin:0 0 12px;font-size:12px;font-weight:800}.auth-intro h1{letter-spacing:-.04em;max-width:680px;margin:0;font-size:clamp(38px,5vw,68px);line-height:1.08}.auth-intro-copy>p:last-child{color:#f7fff9c7;max-width:620px;margin:28px 0 0;font-size:18px;line-height:1.8}.auth-benefits{z-index:1;color:#f7fff9db;flex-wrap:wrap;gap:12px 28px;margin:0;padding:0;font-size:14px;list-style:none;display:flex;position:relative}.auth-benefits li:before{content:"✓";color:#91efb8;margin-right:8px;font-weight:900}.auth-card{border:1px solid var(--line);background:var(--surface);border-radius:24px;align-self:center;width:min(480px,100% - 48px);margin:48px auto;padding:clamp(28px,4vw,48px);box-shadow:0 24px 70px #1c362a1c}.auth-card-heading h2{letter-spacing:-.03em;margin:0;font-size:30px}.auth-card-heading>p:last-child{color:var(--muted);margin:10px 0 0;line-height:1.6}.auth-card .auth-kicker{color:var(--brand)}.auth-tabs{background:var(--canvas);border-radius:12px;grid-template-columns:1fr 1fr;gap:6px;margin:28px 0 24px;padding:5px;display:grid}.auth-tab{min-height:42px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:9px;font-weight:700}.auth-tab.is-active{color:var(--brand-dark);background:#fff;box-shadow:0 3px 14px #183f2c17}.auth-form{gap:18px;display:grid}.auth-form[hidden]{display:none}.auth-form label{gap:8px;font-size:14px;font-weight:700;display:grid}.auth-form input{background:#fff;border:1px solid #cfd9d3;border-radius:10px;outline:none;width:100%;min-height:48px;padding:0 14px;transition:border-color .15s,box-shadow .15s}.auth-form input:focus{border-color:var(--brand);box-shadow:0 0 0 4px #156f4a1f}.auth-submit{color:#fff;background:var(--brand);cursor:pointer;border:0;border-radius:10px;min-height:50px;font-weight:800;box-shadow:0 10px 24px #156f4a33}.auth-submit:hover{background:var(--brand-dark)}.auth-submit:disabled{cursor:wait;opacity:.6}.auth-link{color:var(--brand);cursor:pointer;background:0 0;border:0;font-weight:700}.auth-fine-print{color:var(--muted);text-align:center;margin:-4px 0 0;font-size:12px;line-height:1.6}.auth-message{min-height:22px;color:var(--brand-dark);text-align:center;margin:20px 0 0;font-size:14px;line-height:1.6}.auth-message.is-error{color:var(--danger)}@media (width<=880px){.auth-page{grid-template-columns:1fr}.auth-intro{gap:48px;min-height:auto;padding:32px 24px 48px}.auth-intro h1{font-size:clamp(34px,10vw,52px)}.auth-benefits{display:grid}.auth-card{width:min(520px,100% - 32px);margin:28px auto 48px}}