:root{--paper:#f7f2e9;--paper-2:#fffdf9;--ink:#241f1b;--muted:#776f67;--line:#ded6cb;--accent:#c7461b;--accent-dark:#9f3211;--error:#b42318;--success:#157f55;--shadow:0 24px 70px rgba(63,42,27,.12);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#241f1b;background:var(--paper)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--paper)}body{min-width:320px}.auth-page{min-height:calc(100vh - var(--system-footer-height,0px));display:grid;grid-template-columns:minmax(360px,42%) minmax(520px,58%);overflow:hidden;background:radial-gradient(circle at 13% 12%,#fff 0,transparent 24%),var(--paper)}a{color:inherit}.brand-panel{position:relative;min-height:100%;padding:54px clamp(38px,6vw,96px);border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;isolation:isolate;overflow:hidden}.brand{position:relative;z-index:2;display:flex;align-items:center;gap:14px;max-width:100%;text-decoration:none}.brand>span:last-child{min-width:0;display:grid;gap:3px}.brand strong,.brand small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.brand strong{font-size:18px}.brand small{font-size:12px;color:var(--muted)}.brand-mark{width:42px;height:42px;flex:none;display:grid;place-items:center;transform:rotate(30deg);background:var(--accent);border-radius:11px}.brand-mark:before,.brand-mark:after,.brand-mark i{content:"";position:absolute;width:18px;height:18px;border:2px solid #fff;border-radius:5px}.brand-mark:before{transform:translate(-6px,-4px)}.brand-mark:after{transform:translate(6px,4px)}.brand-mark i{background:#fff;transform:scale(.35)}.brand-copy{position:relative;z-index:2;margin:auto 0;max-width:440px}.brand-copy p{margin:0 0 16px;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.16em}.brand-copy h1{margin:0;font-family:Georgia,"Songti SC",serif;font-size:clamp(52px,5.6vw,86px);font-weight:500;line-height:1.05;letter-spacing:-.04em}.brand-copy span{display:block;margin-top:24px;font-size:16px;color:var(--muted)}.orbit{position:absolute;z-index:0;inset:auto -180px -240px auto;width:620px;height:620px;border:1px solid rgba(199,70,27,.21);border-radius:50%}.orbit:before,.orbit:after{content:"";position:absolute;inset:80px;border:1px solid rgba(199,70,27,.15);border-radius:50%}.orbit:after{inset:210px}.orbit i{position:absolute;width:8px;height:8px;background:var(--accent);border:3px solid var(--paper);border-radius:50%}.orbit i:nth-child(1){left:28px;top:205px}.orbit i:nth-child(2){left:145px;top:48px}.orbit i:nth-child(3){left:210px;top:198px}.form-panel{position:relative;display:grid;place-items:center;padding:86px clamp(28px,6vw,92px) 56px;background:rgba(255,253,249,.56)}.home-link{position:absolute;right:34px;top:28px;color:var(--muted);font-size:13px;text-decoration:none}.home-link:hover,.home-link:focus-visible{color:var(--accent)}.form-shell{width:min(100%,480px);padding:42px 44px;background:rgba(255,255,255,.92);border:1px solid rgba(222,214,203,.86);border-radius:16px;box-shadow:var(--shadow);backdrop-filter:blur(10px)}.register-shell{width:min(100%,760px)}.form-heading{margin-bottom:28px}.form-heading h2{margin:0 0 9px;font-family:Georgia,"Songti SC",serif;font-size:34px;font-weight:500}.form-heading p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.field{margin-bottom:20px}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.field.wide{grid-column:1/-1}label,legend{font-size:13px;font-weight:650}label em{color:var(--accent);font-style:normal}.control{position:relative;margin-top:8px}.control input{width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit;outline:none;transition:border-color .18s,box-shadow .18s}.control input::placeholder{color:#aaa198}.control input:hover{border-color:#b8aea3}.control input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(199,70,27,.12)}.toggle-password{position:absolute;right:6px;top:6px;height:34px;padding:0 9px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:12px;cursor:pointer}.toggle-password:hover,.toggle-password:focus-visible{background:#f6ede5;color:var(--accent)}.field-error,.field-help{display:none;margin:6px 0 0;font-size:12px;line-height:1.45}.field-help{display:block;color:var(--muted)}.field.is-error .control input{border-color:var(--error);box-shadow:0 0 0 3px rgba(180,35,24,.08)}.field.is-error .field-error{display:block;color:var(--error)}.form-note{margin:-5px 0 22px;color:var(--muted);font-size:12px}.primary-button,.secondary-button{border:0;border-radius:8px;font:inherit;font-weight:700;cursor:pointer}.primary-button{width:100%;height:48px;background:var(--accent);color:#fff;box-shadow:0 9px 20px rgba(199,70,27,.2);transition:background .18s,transform .18s}.primary-button:hover:not(:disabled){background:var(--accent-dark);transform:translateY(-1px)}.primary-button:focus-visible,.secondary-button:focus-visible,.agreement a:focus-visible,.switch-line a:focus-visible,.legal-links a:focus-visible{outline:3px solid rgba(199,70,27,.25);outline-offset:3px}.primary-button:disabled{cursor:not-allowed;background:#c9c1b8;box-shadow:none}.button-spinner{display:none;width:15px;height:15px;margin-right:8px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .75s linear infinite}.is-loading .button-spinner{display:inline-block}.switch-line{margin:22px 0 0;text-align:center;color:var(--muted);font-size:13px}.switch-line a,.legal-links a,.agreement a{color:var(--accent);font-weight:650;text-decoration:none}.legal-links{display:flex;justify-content:center;gap:22px;margin-top:30px;padding-top:20px;border-top:1px solid #eee7dd;font-size:12px}.page-message,.policy-message{margin:0 0 20px;padding:11px 13px;border:1px solid #ead7c9;border-radius:8px;background:#fff6ed;color:#814120;font-size:13px;line-height:1.5}.page-message.is-error,.policy-message.is-error{border-color:#f2c7c3;background:#fff4f3;color:var(--error)}.page-message.is-success{border-color:#bfe1d2;background:#f1fbf6;color:var(--success)}.policy-group{margin:2px 0 20px;padding:20px 18px 0;border:1px solid var(--line);border-radius:10px}.policy-group legend{padding:0 8px;color:var(--accent)}.inline-control{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:end}.secondary-button{height:46px;min-width:116px;padding:0 14px;background:#f4e9df;color:var(--accent-dark)}.secondary-button:disabled{opacity:.55;cursor:not-allowed}.agreement{display:flex;align-items:flex-start;gap:9px;margin:2px 0 20px;color:var(--muted);font-weight:400;line-height:1.6}.agreement input{width:16px;height:16px;margin:3px 0 0;accent-color:var(--accent);flex:none}.auth-register{grid-template-columns:minmax(310px,34%) minmax(630px,66%)}.register-panel{align-items:start;padding-top:76px;padding-bottom:48px}.compact-brand .brand-copy h1{font-size:clamp(46px,4.6vw,72px)}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:1024px){.auth-page,.auth-register{grid-template-columns:34% 66%}.brand-panel{padding:42px 30px}.brand-copy h1{font-size:54px}.form-panel{padding-inline:34px}.form-shell{padding:36px}.register-shell{padding:32px}.brand small{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}}
@media(max-width:760px){.auth-page,.auth-register{display:block;overflow:visible}.brand-panel{min-height:auto;padding:22px 20px 68px;border-right:0;border-bottom:1px solid var(--line)}.brand-copy{margin:55px 0 0}.brand-copy p{margin-bottom:8px}.brand-copy h1,.compact-brand .brand-copy h1{font-size:42px}.brand-copy span{margin-top:12px;font-size:14px}.orbit{width:320px;height:320px;right:-150px;bottom:-230px}.form-panel,.register-panel{display:block;padding:0 14px 32px;background:var(--paper)}.home-link{top:-48px;right:20px;color:var(--ink)}.form-shell,.register-shell{position:relative;width:100%;margin-top:-34px;padding:28px 22px;border-radius:14px;box-shadow:0 16px 44px rgba(63,42,27,.11)}.form-heading h2{font-size:28px}.field-grid{grid-template-columns:1fr;gap:0}.field.wide{grid-column:auto}.register-panel .form-shell{margin-top:-34px}.policy-group{padding-inline:14px}.legal-links{margin-top:24px}}
@media(max-width:390px){.brand-panel{padding-inline:18px}.brand-mark{width:36px;height:36px}.brand strong{font-size:16px}.form-shell,.register-shell{padding:25px 18px}.field{margin-bottom:17px}.control input{height:44px}.primary-button{height:46px}.inline-control{grid-template-columns:1fr}.secondary-button{width:100%;height:42px}.agreement{font-size:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}