:root{color:#16324a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--font-size-body:1rem;--font-size-control:.94rem;--line-height-body:1.58;--line-height-tight:1.22;--deep-lake:#16324a;--deep-lake-2:#0d2039;--horizon-blue:#afc8db;--electric-cyan:#00c8ff;--mist-white:#f8f8f6;--surface:#fff;--surface-2:#f6f8f8;--text:#16324a;--muted:#5c6e7b;--line:#d9e1e5;--line-strong:#afc8db;--logo-ink:#0d2039;--radius-control:10px;background:#f8f8f6;font-family:Inter,Segoe UI,Roboto,Helvetica Neue,Arial,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}:root[lang=zh-Hans]{font-family:Microsoft YaHei UI,PingFang SC,Noto Sans CJK SC,Inter,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:0;color:var(--text);font-size:var(--font-size-body);line-height:var(--line-height-body);background:var(--mist-white);margin:0}button,input{font:inherit;letter-spacing:0}button{border:1px solid var(--electric-cyan);max-width:320px;min-height:44px;color:var(--logo-ink);background:var(--electric-cyan);font-size:var(--font-size-control);cursor:pointer;box-shadow:none;overflow-wrap:anywhere;border-radius:8px;margin:0;padding:10px 16px;font-weight:700;line-height:1.25}button:hover{background:#44d7ff;border-color:#44d7ff}button:focus-visible,input:focus{outline-offset:2px;outline:3px solid #00c8ff33}button:disabled{color:#536575;cursor:not-allowed;background:#e4e9ec;border-color:#c8d2d8}input{border:1px solid var(--line-strong);width:100%;min-height:44px;color:var(--text);background:var(--surface);font-size:var(--font-size-control);box-shadow:none;border-radius:8px;padding:10px 12px;line-height:1.4}input:focus{border-color:var(--electric-cyan)}h1,h2{color:var(--deep-lake);margin-top:0}h1{letter-spacing:-.025em;margin-bottom:10px;font-size:clamp(1.9rem,2.4vw,2.5rem);font-weight:450;line-height:1.08}h2{font-size:1.08rem;font-weight:650;line-height:var(--line-height-tight);margin-bottom:10px}p{color:var(--muted);line-height:var(--line-height-body);margin-top:0;margin-bottom:.8rem}label,span{line-height:1.4}.auth-shell{isolation:isolate;min-height:100dvh;color:var(--mist-white);background-color:var(--deep-lake);grid-template-columns:minmax(280px,1fr) minmax(380px,480px);align-items:center;gap:clamp(36px,7vw,112px);padding:clamp(32px,6vw,88px);display:grid;position:relative;overflow:hidden}.auth-horizon-media{z-index:0;object-fit:cover;pointer-events:none;-webkit-user-select:none;user-select:none;transform-origin:50%;will-change:transform;width:112%;height:112%;animation:7s linear infinite alternate auth-horizon-drift;position:absolute;inset:-6%}@keyframes auth-horizon-drift{0%{transform:translate(-4%,-1.25%)scale(1.03)}to{transform:translate(4%,1.25%)scale(1.11)}}.auth-hero{z-index:1;align-content:center;justify-self:center;gap:clamp(20px,3vw,34px);width:min(100%,560px);padding:clamp(20px,3vw,44px);display:grid;position:relative}.auth-hero-logo{width:clamp(210px,30vw,360px);max-width:100%;height:auto}.auth-hero-slogan{color:var(--mist-white);gap:4px;margin:0;font-family:Space Grotesk,Segoe UI,sans-serif;font-size:clamp(1.55rem,3vw,2.55rem);font-weight:400;line-height:1.18;display:grid}.auth-hero-slogan-line{white-space:nowrap;display:block}.auth-panel{z-index:1;border:1px solid var(--line);width:min(100%,480px);color:var(--text);background:var(--surface);border-radius:10px;justify-self:end;gap:14px;padding:clamp(24px,3vw,36px);display:grid;position:relative;box-shadow:0 28px 72px #020f1d4d}.auth-panel h1{color:var(--deep-lake)}.auth-panel>p:not(.auth-notice,.warning){color:var(--muted)}.field-label{color:var(--muted);text-transform:uppercase;gap:6px;font-size:.8rem;font-weight:850;line-height:1.35;display:grid}.auth-token-fallback{border-top:1px solid var(--line);gap:8px;margin-top:4px;padding-top:12px;display:grid}.auth-token-fallback h2{margin-bottom:0}.warning{color:#9b5a05;font-weight:800}@media (width<=900px){.auth-shell{grid-template-columns:minmax(0,1fr);align-content:start;gap:24px;padding:24px}.auth-hero{justify-self:center;gap:18px;width:min(100%,640px);padding:28px 12px 4px}.auth-hero-logo{width:clamp(190px,42vw,280px)}.auth-hero-slogan{max-width:520px;font-size:clamp(1.4rem,4.8vw,2rem)}.auth-panel{justify-self:center}}@media (width<=540px){.auth-shell{gap:20px;padding:16px}.auth-hero{gap:14px;padding:20px 4px 0}.auth-hero-logo{width:min(62vw,220px)}.auth-hero-slogan{font-size:clamp(1.25rem,7vw,1.65rem)}.auth-panel{padding:22px}}@media (width<=360px){.auth-shell{padding:12px}.auth-panel{padding:20px}}@media (prefers-reduced-motion:reduce){.auth-horizon-media{animation:none;transform:scale(1.04)}}.auth-password-field{position:relative}.auth-password-field input{padding-right:54px}.auth-password-field input::-ms-reveal{width:0;height:0;display:none}.auth-password-field input::-ms-clear{width:0;height:0;display:none}button.auth-password-toggle{border:0;border-left:1px solid var(--line);width:48px;max-width:none;min-height:44px;color:var(--deep-lake);box-shadow:none;background:0 0;border-radius:0 8px 8px 0;place-items:center;margin:0;padding:10px;display:grid;position:absolute;top:0;right:0}button.auth-password-toggle:hover,button.auth-password-toggle:focus-visible{color:var(--logo-ink);background:var(--surface-2)}.auth-password-toggle svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;width:22px;height:22px}button.auth-link-button{width:fit-content;max-width:none;min-height:44px;color:var(--deep-lake);box-shadow:none;text-underline-offset:3px;background:0 0;border:0;padding:8px 0;text-decoration:underline}button.auth-link-button:hover,button.auth-link-button:focus-visible{color:var(--logo-ink);background:0 0}.auth-notice{border:1px solid color-mix(in srgb, var(--success) 38%, var(--line));color:#155c3b;background:#edf8f2;border-radius:8px;margin:0;padding:10px 12px;font-weight:750}