:root{--ink:#10213d;--muted:#65758b;--line:#dbe5f0;--blue:#1468e8;--deep:#073b88;--soft:#f2f7fd;--danger:#bd2c3b;--success:#08775a}
*{box-sizing:border-box}
html,body{min-height:100%;margin:0}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff}
button,input{font:inherit}
.auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(440px,.92fr)}
.story{position:relative;display:flex;min-height:100vh;flex-direction:column;padding:clamp(30px,5vw,72px);overflow:hidden;background:radial-gradient(circle at 78% 13%,rgba(67,151,255,.33),transparent 28%),linear-gradient(145deg,#08295d 0%,#0b438f 54%,#1267d8 100%);color:#fff}
.story::after{content:"";position:absolute;width:420px;height:420px;right:-170px;bottom:-210px;border:1px solid rgba(255,255,255,.23);border-radius:50%;box-shadow:0 0 0 74px rgba(255,255,255,.035),0 0 0 148px rgba(255,255,255,.025)}
.brand{position:relative;z-index:1;display:inline-flex;align-items:center;gap:12px;width:max-content;color:#fff;text-decoration:none;font-size:20px}
.brand span{display:grid;width:42px;height:42px;place-items:center;border:1px solid rgba(255,255,255,.38);border-radius:12px;background:rgba(255,255,255,.13);font-size:14px;font-weight:900;box-shadow:0 12px 30px rgba(2,21,52,.22)}
.story-copy{position:relative;z-index:1;max-width:690px;margin:auto 0}
.eyebrow{margin:0 0 14px;color:#68a8ff;font-size:11px;font-weight:850;letter-spacing:.16em}
.story .eyebrow{color:#a9ccff}
h1{margin:0;font-size:clamp(42px,5vw,70px);line-height:1.12;letter-spacing:-.055em}
.story-copy>p:last-child{max-width:620px;margin:28px 0 0;color:#d1e2fb;font-size:16px;line-height:1.85}
.trust-list{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:50px 0 0;padding:0;list-style:none;background:rgba(255,255,255,.2)}
.trust-list li{display:flex;min-height:74px;align-items:center;gap:12px;padding:13px 16px;background:#0a4088;color:#e4efff;font-size:12px}
.trust-list span{color:#91beff;font-size:11px;font-weight:850;letter-spacing:.08em}
.auth-panel{display:grid;min-height:100vh;place-items:center;padding:38px clamp(24px,6vw,84px);background:radial-gradient(circle at 90% 10%,#edf5ff,transparent 34%),#fff}
.auth-panel>div,.auth-panel>p{width:min(100%,460px)}
.auth-card{padding:8px 0}
.auth-card h2{margin:0;font-size:clamp(30px,3vw,42px);letter-spacing:-.04em}
.intro{margin:12px 0 34px;color:var(--muted);font-size:14px;line-height:1.65}
form{display:grid;gap:10px}
label{margin-top:8px;font-size:13px;font-weight:760}
input{width:100%;height:52px;padding:0 14px;border:1px solid #cdd9e7;border-radius:10px;outline:none;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s}
input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(20,104,232,.11)}
.password-wrap{position:relative}
.password-wrap input{padding-right:68px}
.reveal{position:absolute;right:8px;top:8px;height:36px;padding:0 9px;border:0;background:transparent;color:var(--blue);font-size:12px;font-weight:750;cursor:pointer}
.form-message{min-height:22px;margin:5px 0 -1px;color:var(--danger);font-size:12px;line-height:1.5}
.form-message.success{color:var(--success)}
.submit{display:flex;height:52px;align-items:center;justify-content:space-between;margin-top:3px;padding:0 18px;border:0;border-radius:10px;background:linear-gradient(135deg,var(--blue),#0c4ead);color:#fff;font-weight:800;cursor:pointer;box-shadow:0 12px 25px rgba(20,104,232,.2)}
.submit:hover{background:var(--deep)}
.submit:disabled{cursor:wait;opacity:.68}
.support-note{display:grid;gap:4px;margin-top:28px;padding:15px 16px;border:1px solid var(--line);border-radius:11px;background:var(--soft);font-size:12px}
.support-note span,.privacy-note{color:var(--muted);line-height:1.6}
.privacy-note{margin:20px 0 0;text-align:center;font-size:11px}
.text-button{display:block;margin:20px auto 0;border:0;background:transparent;color:var(--muted);font-size:12px;text-decoration:underline;cursor:pointer}
@media(max-width:860px){.auth-shell{grid-template-columns:1fr}.story{min-height:auto;padding:28px 24px 36px}.story-copy{margin:70px 0 20px}.story-copy h1{font-size:44px}.trust-list{margin-top:22px}.auth-panel{min-height:auto;padding:58px 24px 70px}.compact-story .story-copy{margin:54px 0 16px}}
@media(max-width:520px){.story{padding:16px 17px 18px}.brand{font-size:17px}.brand span{width:37px;height:37px}.story-copy{margin:28px 0 8px}.story-copy h1{font-size:30px}.story-copy>p:last-child{display:none}.trust-list{grid-template-columns:repeat(3,1fr);margin-top:12px;background:transparent;gap:5px}.trust-list li{min-height:50px;flex-direction:column;justify-content:center;gap:2px;padding:6px 4px;border:1px solid rgba(255,255,255,.16);border-radius:8px;background:rgba(5,39,87,.35);text-align:center;font-size:10px}.auth-panel{padding:32px 17px 48px}.auth-card h2{font-size:31px}.intro{margin-bottom:20px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}