:root{--brand:#f18b0b;--brand-strong:#d9760a;--brand-soft:#fff5e8;--ink:#1b1f27;--muted:#8a92a0;--line:#eceef1;--bg:#fbfcfd;--panel:#fff;color-scheme:light}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:14px;-webkit-font-smoothing:antialiased}a{color:var(--brand-strong);text-decoration:none}.auth-split-page{display:flex;min-height:100vh;background:#fff;font-family:WenYuan,-apple-system,PingFang SC,Microsoft YaHei,system-ui,sans-serif}.auth-split-page .auth-brand-panel,.auth-split-page .auth-form-panel{flex:1 1}.auth-brand-panel{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:64px 48px;background:linear-gradient(135deg,#111827,#1f2937 55%,#7c2d12)}.auth-brand-glow{position:absolute;left:50%;top:50%;width:520px;height:520px;border-radius:260px;background:radial-gradient(circle at 30% 30%,rgba(241,139,11,.16),rgba(241,139,11,0) 70%);transform:translate(-50%,-50%) rotate(-20deg) scaleX(.55);pointer-events:none}.auth-brand-content{position:relative;z-index:1;width:100%;max-width:420px;text-align:center}.auth-brand-content h1{margin:0;color:#fff;font-size:46px;font-weight:600;line-height:1.15;letter-spacing:.06em}.auth-brand-line{width:32px;height:1px;margin:22px auto;background:rgba(241,139,11,.75)}.auth-brand-content p{margin:0;font-size:13px;line-height:1.8;letter-spacing:.15em}.auth-brand-content p span:first-child{color:hsla(0,0%,100%,.85)}.auth-brand-content p span:last-child{color:hsla(0,0%,100%,.5)}.auth-form-panel{display:flex;align-items:center;justify-content:center;padding:56px 48px;background:#fdfdfc}.auth-form-inner{width:100%;max-width:390px}.auth-logo{display:block;width:auto;height:26px;margin-bottom:30px}.auth-form-inner .form-title{margin-bottom:6px;color:#111827;font-size:26px;font-weight:600;line-height:1.25}.auth-form-inner .form-sub{margin:0 0 24px;color:#6b7280;font-size:14px;line-height:1.7}.auth-segment{display:grid;grid-template-columns:1fr 1fr;grid-gap:4px;gap:4px;padding:4px;margin-bottom:22px;border:1px solid #e5e7eb;border-radius:8px;background:#f9fafb}.auth-segment button{min-height:36px;border:0;border-radius:6px;background:transparent;color:#6b7280;font:inherit;font-size:13px;font-weight:500;cursor:pointer}.auth-segment button.active{background:#fff;color:#111827;box-shadow:0 1px 2px rgba(15,23,42,.08)}.auth-segment button{transition:background .15s ease,box-shadow .15s ease,color .15s ease,transform .16s cubic-bezier(.23,1,.32,1)}.auth-segment button:active{transform:scale(.97)}.auth-field{margin-bottom:16px}.auth-field .field-label{display:block;margin-bottom:6px;color:#374151;font-size:13px;font-weight:500}.auth-field .req{margin-right:3px;color:var(--brand)}.password-label-row{display:flex;align-items:center;justify-content:space-between}.password-label-row a{color:var(--brand-strong);font-size:13px;text-decoration:none}.password-label-row a:hover{text-decoration:underline}.auth-input{width:100%;min-height:44px;padding:0 14px;border:0;border-radius:10px;background:#fff;box-shadow:inset 0 0 0 1px rgba(23,20,15,.1);color:#1a1713;font-size:14px;font-family:inherit;outline:none;transition:box-shadow .15s ease}.auth-input:hover{box-shadow:inset 0 0 0 1px rgba(23,20,15,.18)}.auth-input:focus{box-shadow:inset 0 0 0 1.5px var(--brand),0 0 0 3px rgba(241,139,11,.14)}.auth-input::placeholder{color:#b6bdc8}.auth-btn{width:100%;min-height:44px;margin-top:4px;border:0;border-radius:10px;background:var(--brand);color:#fff;font:inherit;font-size:15px;font-weight:500;letter-spacing:.08em;cursor:pointer;transition:background .15s ease,box-shadow .15s ease,transform .16s cubic-bezier(.23,1,.32,1)}@media (hover:hover) and (pointer:fine){.auth-btn:hover{background:var(--brand-strong)}}.auth-btn:active{transform:scale(.97)}.auth-btn:disabled{opacity:.7;cursor:default}.auth-error{margin-bottom:14px;padding:9px 12px;border-radius:8px;background:#fef2f2;color:#b91c1c;font-size:13px;border:1px solid #fecaca}.agree-check{display:flex;align-items:flex-start;gap:8px;color:#4b5563;font-size:13px;line-height:1.7;cursor:pointer}.agree-check input{margin-top:3px;accent-color:var(--brand);flex:none;width:15px;height:15px}.agree-check a{color:var(--brand-strong);text-decoration:none}.auth-switch{margin-top:18px;color:#9ca3af;font-size:13px;text-align:center}.auth-switch a{color:var(--brand-strong);text-decoration:none}.auth-switch a:hover{text-decoration:underline}.auth-legal{margin-top:22px;text-align:center}.auth-legal p{margin:0 0 6px}.auth-legal .al-consent{font-size:11px;color:#a3aab5;line-height:1.75}.auth-legal .al-consent a{color:var(--brand-strong);text-decoration:none}.auth-legal .al-note{font-size:10px;color:#c2c8d0;line-height:1.7}.auth-legal .al-meta{font-size:10px;color:#c2c8d0;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.auth-legal .al-meta a{color:#b6bdc8;text-decoration:none}.auth-legal .al-meta a:hover{color:var(--brand-strong)}@media (max-width:760px){.auth-split-page{flex-direction:column}.auth-brand-panel{flex:none;min-height:220px;padding:34px 24px}.auth-brand-content h1{font-size:30px}.auth-form-panel{flex:none;align-items:flex-start;padding:36px 22px 56px}}@media (prefers-reduced-motion:reduce){.auth-btn,.auth-input{transition:none}}.auth-split-page :focus-visible{outline:2px solid rgba(241,139,11,.55);outline-offset:2px;border-radius:8px}@media (prefers-reduced-motion:no-preference){.auth-form-inner{opacity:0;transform:translateY(8px);animation:qd-rise .4s cubic-bezier(.23,1,.32,1) forwards}@keyframes qd-rise{to{opacity:1;transform:none}}}@media (prefers-reduced-motion:reduce){.auth-form-inner{opacity:1;transform:none}}