:root{color-scheme:light;--page:#fff;--surface:#fff;--surface-soft:#f5f7fa;--ink:#1f2328;--muted:#6b7280;--line:#e5e7eb;--input-border:#d0d5dd;--accent:#1a5fb4;--accent-hover:#14498c;--accent-soft:#eaf1fb;--on-accent:#fff;--danger:#b42318;--shadow:0 12px 32px rgb(16 24 40/6%);--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--page-width:1240px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-padding-top:96px}body{min-width:320px;background:var(--page);color:var(--ink)}body,button,input{font-family:var(--font)}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{min-height:100dvh}a,button,input{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer}button:disabled{cursor:wait;opacity:.55}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input{font-size:inherit}a,button{touch-action:manipulation}[tabindex]:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:5px}::-moz-selection{background:var(--accent-soft);color:var(--ink)}::selection{background:var(--accent-soft);color:var(--ink)}.container{width:min(var(--page-width),calc(100% - 96px));margin-inline:auto}.icon{display:inline-block;width:19px;height:19px;flex-shrink:0}.eyebrow{color:var(--accent);font-size:12px;font-weight:600;letter-spacing:.16em}.button{display:inline-flex;justify-content:center;align-items:center;gap:24px;min-height:48px;padding:12px 25px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--ink);font-size:14px;font-weight:600;line-height:1.5;white-space:nowrap;transition:background .2s,border-color .2s,transform .2s,box-shadow .2s}.button:hover{background:var(--surface-soft);border-color:var(--accent)}.button:active{transform:translateY(1px)}.button-primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.button-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.text-link{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:500}.text-link .icon{transition:transform .2s}.text-link:hover{color:var(--accent)}.text-link:hover .icon{transform:translateX(4px)}.section-heading{margin-bottom:34px;display:flex;align-items:center;justify-content:space-between;gap:24px}.section-heading h2{font-size:clamp(25px,3vw,34px);letter-spacing:-.04em;font-weight:600}.section-heading p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:10px}.page-top{padding:58px 0 42px;border-bottom:1px solid var(--line)}.page-top .eyebrow{margin-bottom:18px}.top-title{font-size:clamp(32px,4vw,46px);letter-spacing:-.04em;font-weight:600;line-height:1.35}.page-intro{color:var(--muted);font-size:15px;line-height:1.9;margin-top:18px;max-width:540px}.breadcrumb{display:flex;gap:14px;color:var(--muted);font-size:12px;margin-bottom:25px}.breadcrumb a:hover{color:var(--accent)}.breadcrumb span[aria-current]{color:var(--ink)}.state-panel{text-align:center;padding:64px 24px;background:var(--surface-soft);border-radius:12px}.state-panel>.icon{width:30px;height:30px;color:var(--accent);margin-bottom:18px}.state-panel h3{font-size:19px;font-weight:600;margin-bottom:10px}.state-panel p{color:var(--muted);line-height:1.8;font-size:14px}.state-panel .button{margin-top:24px}.load-wrap{text-align:center;margin-top:40px}.load-error{color:var(--danger);margin-bottom:16px;font-size:14px}.feed-end{text-align:center;margin-top:38px;color:var(--muted);font-size:13px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:-80px;z-index:3000;padding:14px 20px;background:var(--surface);border:1px solid var(--accent);border-radius:8px}.skip-link:focus{top:10px}.form-page .page-body{width:min(1120px,calc(100% - 96px));margin:0 auto;padding:62px 0 72px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:100px}.auth-intro{max-width:430px}.auth-intro h2{margin:26px 0 22px;font-size:clamp(32px,3.5vw,44px);font-weight:500;line-height:1.5;letter-spacing:-.03em}.auth-intro>p:not(.eyebrow){color:var(--muted);font-size:15px;line-height:2;max-width:370px}.auth-note{display:flex;gap:14px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;line-height:1.8}.auth-note .icon{color:var(--accent);margin-top:3px}.form-box{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:42px;box-shadow:var(--shadow)}.form-title{font-size:28px;font-weight:600;letter-spacing:-.03em;margin-bottom:12px}.form-sub{font-size:13px;line-height:1.8;color:var(--muted);margin-bottom:30px}.field{margin-bottom:21px}.field label{display:block;margin-bottom:9px;font-size:13px;font-weight:600}.field input{width:100%;padding:13px 15px;min-height:48px;border:1px solid var(--input-border);border-radius:8px;background:var(--page);color:var(--ink);font-size:15px;transition:border-color .2s,box-shadow .2s}.field input::-moz-placeholder{color:var(--muted)}.field input::placeholder{color:var(--muted)}.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.agree{display:flex;align-items:flex-start;gap:10px;margin-bottom:24px;color:var(--muted);font-size:13px;line-height:1.9}.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--accent);flex-shrink:0}.form-page .link{color:var(--accent);text-decoration:underline;text-underline-offset:4px}.form-page .link:hover{color:var(--accent-hover)}.tip{padding:10px 13px;background:var(--surface-soft);border-radius:8px;color:var(--ink);font-size:13px;line-height:1.8;margin-bottom:18px}.tip.error{color:var(--danger)}.btn-submit{width:100%;min-height:48px;border:1px solid var(--accent);border-radius:8px;background:var(--accent);color:var(--on-accent);font-size:14px;font-weight:600;transition:background .2s,transform .2s}.btn-submit:hover{background:var(--accent-hover)}.btn-submit:active{transform:translateY(1px)}.switch-line{font-size:13px;color:var(--muted);text-align:center;margin-top:23px;line-height:1.9}.switch-line.small{font-size:12px;margin-top:13px}.legal-page .page-top{padding-inline:max(24px,calc(50% - 440px))}.legal-page .page-body{max-width:976px;margin:auto;padding:44px 48px 72px}.legal-page .content-box{padding:42px 48px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.content-text{font-size:15px;color:var(--muted);line-height:2.1;overflow-wrap:break-word}.content-text h2{color:var(--ink);font-size:18px;font-weight:600;margin:34px 0 12px}.content-text h2:first-of-type{margin-top:22px}.content-text p{margin-bottom:15px}.content-text p:last-child{margin-bottom:0}.update-line{font-size:12px;padding-bottom:24px;border-bottom:1px solid var(--line)}@media (max-width:1024px){.container,.form-page .page-body{width:calc(100% - 64px)}.form-page .page-body{gap:48px}.form-box{padding:32px}}@media (max-width:768px){.container{width:calc(100% - 40px)}.page-top{padding:36px 0 30px}.page-intro{font-size:14px}.section-heading{gap:18px;margin-bottom:25px}.section-heading .text-link{white-space:nowrap;font-size:13px}.section-heading p{max-width:230px;font-size:13px}.form-page .page-body{width:calc(100% - 40px);grid-template-columns:1fr;gap:28px;padding:32px 0 48px}.auth-intro h2{font-size:27px;margin:14px 0 10px}.auth-intro>p:not(.eyebrow),.auth-note{display:none}.form-box{max-width:520px;margin-inline:auto;padding:28px 24px}.field input{font-size:16px}.legal-page .page-top{padding-inline:20px}.legal-page .page-body{padding:28px 20px 48px}.legal-page .content-box{padding:24px 20px}.content-text{font-size:14px}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation:none!important;transition:none!important;scroll-behavior:auto!important}}