body[data-screen="auth"]{margin:0;background:var(--color-canvas,#f6f1ed);color:var(--color-ink,#253039)}
body[data-screen="auth"] .account-bar{display:none}
.auth-page{max-width:1440px;min-height:100dvh;margin:0 auto;padding:0 64px;display:flex;flex-direction:column;font:15px/1.7 var(--font-ui,'Microsoft YaHei',system-ui,sans-serif)}
.auth-page *{box-sizing:border-box;min-width:0}
.auth-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;min-height:96px;padding:22px 0}
.auth-brand{display:inline-flex;align-items:center;gap:14px;min-height:44px;color:inherit;text-decoration:none}
.auth-brand-mark{width:36px;height:36px;display:grid;place-items:center;flex:none;border-radius:8px;color:var(--color-accent,#90384c)}
.auth-brand-mark svg{display:block;width:100%;height:100%}
.auth-brand strong{font-size:20px;font-weight:650;line-height:1.4}
.auth-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,430px);align-items:center;gap:80px;max-width:1080px;width:100%;margin:auto;padding:72px 0}
.auth-intro h1{font:600 32px/1.5 var(--font-ui,'Microsoft YaHei',sans-serif);margin:0 0 24px}
.auth-intro-copy{color:var(--color-secondary,#59646b);font-size:18px;line-height:1.9;margin:0}
.auth-benefits{display:grid;gap:24px;margin:28px 0 0;padding:0;list-style:none}
.auth-benefits li{display:flex;align-items:flex-start;gap:16px}
.auth-benefit-mark{display:grid;place-items:center;flex:none;width:20px;height:28px;color:var(--color-accent,#90384c);font-size:24px;line-height:1}
.auth-benefits strong{font-weight:550;font-size:15px}
.auth-benefits p{margin:4px 0 0;color:var(--color-secondary,#59646b);font-size:13px}
.auth-card{padding:28px 32px;background:var(--color-surface,#fffdfa);border:1px solid var(--color-line,#ddd9d4);border-radius:10px}
.auth-tabs{display:flex;gap:24px;border-bottom:1px solid var(--color-line,#ddd9d4);margin-bottom:24px}
.auth-tabs button{font:500 14px/1.5 var(--font-ui,system-ui,sans-serif);min-height:44px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--color-secondary,#59646b);padding:0 0 12px;cursor:pointer;margin-bottom:-1px;white-space:nowrap}
.auth-tabs button[aria-selected="true"]{color:var(--color-accent,#90384c);border-bottom-color:var(--color-accent,#90384c)}
.auth-tabs button:disabled{cursor:wait}
.auth-card h2{font:600 24px/1.5 var(--font-ui,system-ui,sans-serif);margin:0 0 20px}
.auth-screen-reader{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.auth-card-copy{color:var(--color-secondary,#59646b);font-size:14px;margin:0 0 24px}
.auth-field{display:grid;gap:6px;margin:0 0 22px}
.auth-field label{font-size:14px;font-weight:550;color:var(--color-ink,#253039)}
.auth-field label span{font-weight:400;color:var(--color-secondary,#59646b)}
.auth-field input{width:100%;min-height:48px;padding:11px 13px;font:16px/1.5 var(--font-ui,system-ui,sans-serif);border:1px solid var(--color-line,#ddd9d4);border-radius:7px;background:var(--color-surface,#fffdfa);color:var(--color-ink,#253039)}
.auth-field input::placeholder{color:var(--color-secondary,#59646b);font-size:14px}
.auth-page :is(input,button,summary,a):focus-visible{outline:2px solid var(--color-accent,#90384c);outline-offset:3px}
.auth-password{position:relative}
.auth-password input{padding-right:48px}
.auth-reveal{position:absolute;right:2px;top:2px;width:44px;height:44px;display:grid;place-items:center;background:transparent;border:0;color:var(--color-secondary,#59646b);border-radius:5px;cursor:pointer}
.auth-reveal:hover,.auth-reveal[aria-pressed="true"]{background:var(--color-selected,#f1e3e4);color:var(--color-accent,#90384c)}
.auth-reveal svg{width:20px;height:20px}
.auth-submit,.auth-back{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--color-accent,#90384c);border-radius:7px;background:var(--color-accent,#90384c);color:white;font:600 14px/1.5 var(--font-ui,system-ui,sans-serif);padding:12px 16px;margin-top:20px;cursor:pointer}
.auth-submit:hover{background:var(--color-accent-strong,#7f2e3e);border-color:var(--color-accent-strong,#7f2e3e)}
.auth-submit:disabled{opacity:.6;cursor:wait}
.auth-back{border-color:var(--color-line,#ddd9d4);color:var(--color-ink,#253039);background:var(--color-surface,#fffdfa);font-weight:500}
.auth-form-note,.auth-password-hint{font-size:12px;line-height:1.8;color:var(--color-secondary,#59646b);margin:20px 0 0}
.auth-password-hint{margin:-12px 0 0}
.auth-message{margin:20px 0 0;padding:12px;border-radius:6px;background:#fff1e6;color:#855a19;font-size:13px;overflow-wrap:anywhere}
.auth-message:empty{display:none}
.auth-help{margin-top:20px;padding-top:12px;border-top:1px solid var(--color-line,#ddd9d4);color:var(--color-secondary,#59646b);font-size:12px}
.auth-help summary{display:flex;align-items:center;min-height:44px;color:var(--color-accent,#90384c);cursor:pointer;list-style:none;width:fit-content;font-weight:550}
.auth-help summary::-webkit-details-marker{display:none}
.auth-help p{margin:8px 0 0;overflow-wrap:anywhere}
.auth-footer{padding:20px 0;color:var(--color-secondary,#59646b);font-size:12px;text-align:center}
@media(max-width:1000px){.auth-page{padding:0 36px}.auth-layout{gap:40px}.auth-intro h1{font-size:28px}}
@media(max-width:800px){body[data-screen="auth"]{background:var(--color-surface,#fffdfa)}.auth-page{max-width:520px;padding:0 24px}.auth-header{padding:24px 0;min-height:88px}.auth-brand strong{font-size:18px}.auth-layout{display:block;margin:0;padding:12px 0 28px}.auth-intro{display:none}.auth-card{padding:0;border:0;border-radius:0}.auth-footer{text-align:left;padding:0 0 24px;margin-top:auto}.auth-help{margin-top:24px}.auth-tabs{margin-bottom:28px}.auth-field{margin-bottom:24px}.auth-card h2{font-size:24px}}
@media(max-width:360px){.auth-page{padding:0 16px}.auth-brand{gap:10px}.auth-brand strong{font-size:16px}.auth-header{min-height:88px}.auth-field input{font-size:16px}}
@media(prefers-reduced-motion:reduce){.auth-page *{transition:none!important}}