:root{--cream:#f7f2e4;--surface:#fffdf8;--ink:#2f2a24;--muted:#6b6259;--line:#e6ded0;--gold:#b6844a;--gold-dark:#93662f;--navy:#1f2d3d;--error:#d34a4a;--success:#2e7d68;--shadow:0 18px 52px rgba(72,55,35,.10);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--cream)}body{min-width:320px}button,input{font:inherit}a{color:inherit}.auth-page{min-height:calc(100vh - var(--system-footer-height,0px));display:grid;grid-template-columns:minmax(360px,40%) minmax(520px,60%);background:var(--surface)}.brand-panel{position:relative;min-height:100%;display:flex;flex-direction:column;padding:56px clamp(36px,5.5vw,84px) 48px;overflow:hidden;border-right:1px solid var(--line);background:linear-gradient(135deg,#faf6eb 0%,var(--cream) 68%,#f3ead9 100%);isolation:isolate}.brand{position:relative;z-index:2;display:flex;align-items:center;gap:17px;text-decoration:none;min-width:0}.brand-copy{display:grid;gap:5px;min-width:0}.brand-copy strong,.brand-copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.brand-copy strong{font-size:20px;line-height:1.25}.brand-copy small{color:var(--muted);font-size:13px}.brand-mark{position:relative;width:48px;height:48px;flex:none}.brand-mark i{position:absolute;width:17px;height:17px;border:3px solid var(--gold);border-radius:5px;transform:rotate(45deg)}.brand-mark i:nth-child(1){left:3px;top:15px;border-color:var(--navy)}.brand-mark i:nth-child(2){left:15px;top:3px}.brand-mark i:nth-child(3){right:3px;top:15px}.brand-mark i:nth-child(4){left:15px;bottom:3px;border-color:var(--navy)}.brand-message{position:relative;z-index:2;margin:auto 0;max-width:470px}.brand-message h1{margin:0;font-family:"Songti SC","STSong",Georgia,serif;font-size:clamp(38px,3.8vw,62px);font-weight:500;line-height:1.24;letter-spacing:-.035em}.brand-message p{margin:24px 0 0;max-width:360px;color:var(--muted);font-size:15px;line-height:1.8}.back-link{position:relative;z-index:2;width:max-content;padding-left:24px;color:var(--navy);font-size:13px;text-decoration:none}.back-link:before{content:"";position:absolute;left:2px;top:50%;width:9px;height:9px;border-left:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-50%) rotate(45deg)}.connection-lines{position:absolute;z-index:0;width:620px;height:430px;left:-145px;bottom:-112px;transform:rotate(-7deg)}.connection-lines:before,.connection-lines:after,.connection-lines i{content:"";position:absolute;left:0;bottom:0;width:100%;height:100%;border:1px solid rgba(182,132,74,.28);border-radius:50% 50% 0 0}.connection-lines:after{left:62px;bottom:-54px;border-color:rgba(31,45,61,.24)}.connection-lines i:nth-child(1){left:126px;bottom:-112px}.connection-lines i:nth-child(2),.connection-lines i:nth-child(3){width:9px;height:9px;border:0;border-radius:50%;background:var(--gold)}.connection-lines i:nth-child(2){left:294px;bottom:272px}.connection-lines i:nth-child(3){left:158px;bottom:194px;background:var(--navy)}.form-panel{display:grid;place-items:center;padding:62px clamp(36px,8vw,136px);background:var(--surface)}.form-shell{width:min(100%,470px)}.form-heading{margin-bottom:34px}.form-heading h2{margin:0 0 10px;font-size:34px;line-height:1.2;letter-spacing:-.025em}.form-heading p{margin:0;color:var(--muted);font-size:14px}.field{margin-bottom:22px}.field label,.policy-group legend{font-size:13px;font-weight:700}.field em{color:var(--error);font-style:normal}.control{position:relative;margin-top:8px}.control input{width:100%;height:50px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);outline:0;transition:border-color .18s,box-shadow .18s}.control input::placeholder{color:#aaa197}.control input:hover{border-color:#c9bda9}.control input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(182,132,74,.14)}.toggle-password{position:absolute;right:7px;top:7px;height:36px;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:#f4ecde;color:var(--gold-dark)}.field-error,.field-help{display:none;margin:6px 0 0;font-size:12px;line-height:1.5}.field-help{display:block;color:var(--muted)}.field.is-error .control input{border-color:var(--error);box-shadow:0 0 0 3px rgba(211,74,74,.09)}.field.is-error .field-error{display:block;color:var(--error)}.form-note{margin:-5px 0 24px;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:50px;background:var(--gold);color:#fff;box-shadow:0 9px 22px rgba(182,132,74,.22);transition:background .18s,transform .18s,box-shadow .18s}.primary-button:hover:not(:disabled){background:var(--gold-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(147,102,47,.24)}.primary-button:disabled{cursor:not-allowed;background:#d8d3ca;color:#fff;box-shadow:none}.primary-button:focus-visible,.secondary-button:focus-visible,.back-link:focus-visible,.brand:focus-visible,.switch-line a:focus-visible,.legal-links a:focus-visible,.agreement a:focus-visible{outline:3px solid rgba(182,132,74,.28);outline-offset:3px}.button-spinner{display:none;width:15px;height:15px;margin-right:8px;vertical-align:-3px;border:2px solid rgba(255,255,255,.48);border-top-color:#fff;border-radius:50%;animation:spin .75s linear infinite}.is-loading .button-spinner{display:inline-block}.switch-line{margin:24px 0 0;text-align:center;color:var(--muted);font-size:13px}.switch-line a,.legal-links a,.agreement a{color:var(--gold-dark);font-weight:700;text-decoration:none}.legal-links{display:flex;align-items:center;justify-content:center;gap:22px;margin-top:34px;padding-top:22px;border-top:1px solid #eee7db;font-size:12px}.legal-links span{width:1px;height:13px;background:var(--line)}.page-message,.policy-message{margin:0 0 22px;padding:11px 13px;border:1px solid #e4d0b6;border-radius:8px;background:#fbf5e9;color:#76552f;font-size:13px;line-height:1.5}.page-message.is-error,.policy-message.is-error{border-color:#f0c0bd;background:#fff4f3;color:#a73131}.page-message.is-success{border-color:#b9ddcf;background:#f1faf6;color:var(--success)}.register-page{grid-template-columns:minmax(330px,34%) minmax(680px,66%)}.register-panel{align-items:start;padding:52px clamp(34px,6vw,92px)}.register-shell{width:min(100%,760px)}.register-shell .form-heading{margin-bottom:22px}.register-shell .form-heading h2{font-size:31px}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.field-wide{grid-column:1/-1}.policy-group{margin:3px 0 22px;padding:18px 17px 0;border:1px solid var(--line);border-radius:10px}.policy-group legend{padding:0 9px;color:var(--gold-dark)}.inline-control{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:end}.secondary-button{height:50px;min-width:126px;padding:0 14px;background:#f3e9d8;color:var(--gold-dark)}.secondary-button:hover:not(:disabled){background:#ead9bd}.secondary-button:disabled{opacity:.58;cursor:not-allowed}.agreement{display:flex;align-items:flex-start;gap:9px;margin:4px 0 20px;color:var(--muted);font-size:13px;font-weight:400;line-height:1.6}.agreement input{width:16px;height:16px;margin:3px 0 0;accent-color:var(--gold);flex:none}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:1024px){.auth-page,.register-page{grid-template-columns:34% 66%}.brand-panel{padding:42px 30px}.brand-message h1{font-size:40px}.form-panel{padding-inline:34px}.register-panel{padding:46px 34px}.brand-copy strong{font-size:18px}.brand-copy small{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.connection-lines{left:-250px}}
@media(max-width:768px){.auth-page,.register-page{display:block}.brand-panel{min-height:auto;padding:22px 20px 72px;border-right:0;border-bottom:1px solid var(--line)}.brand-message{margin:55px 0 0}.brand-message h1{font-size:36px}.brand-message p{margin-top:12px;font-size:14px}.back-link{position:absolute;right:20px;bottom:24px}.connection-lines{width:380px;height:230px;left:auto;right:-210px;bottom:-155px}.form-panel,.register-panel{display:block;padding:0 14px 34px;background:var(--cream)}.form-shell,.register-shell{position:relative;width:100%;margin-top:-36px;padding:28px 22px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:var(--shadow)}.form-heading h2,.register-shell .form-heading h2{font-size:28px}.field-grid{grid-template-columns:1fr;gap:0}.field-wide{grid-column:auto}.policy-group{padding-inline:14px}.register-panel .form-shell{margin-top:-36px}}
@media(max-width:390px){.brand-panel{padding-inline:18px}.brand-mark{width:42px;height:42px}.brand-copy strong{font-size:16px}.brand-message h1{font-size:32px}.form-shell,.register-shell{padding:25px 18px}.field{margin-bottom:18px}.control input{height:46px}.toggle-password{top:5px}.primary-button{height:48px}.inline-control{grid-template-columns:1fr}.secondary-button{width:100%;height:44px}.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}}
@media(min-width:769px){.brand-message h1{font-size:clamp(36px,3vw,46px)}}
.register-page .brand-message h1{font-size:36px}