:root{--color-bg:#e6e9ee;--color-header-bg:#111827;--color-surface:#fff;--color-surface-2:#f8fafc;--color-border:#d8dee7;--color-text:#111827;--color-muted:#6b7280;--color-muted-2:#9ca3af;--color-primary:#1868e3;--color-primary-hover:#1458c2;--color-primary-soft:#1868e31f;--color-logo:#c71230;--color-tab:#5b5b5b;--color-success:#22c55e;--color-warning:#f59e0b;--color-danger:#ef4444;--container-width:1200px;--header-height:72px;--radius-sm:6px;--radius-md:8px;--radius-lg:10px;--radius-xl:12px}:root[data-theme=dark]{--color-bg:#071015;--color-header-bg:#0c151d;--color-surface:#101b24;--color-surface-2:#13232e;--color-border:#1f3341;--color-text:#f4f7fb;--color-muted:#a7b0bd;--color-muted-2:#778392;--color-primary:#2f7df0;--color-primary-hover:#4c90f5;--color-primary-soft:#2f7df024;--color-logo:#c71230;--color-tab:#ececec}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{background:var(--color-bg);min-height:100%;color:var(--color-text);margin:0}body{min-height:100vh;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.5}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.container{width:min(100% - 32px,var(--container-width));margin:0 auto}.section-title{margin:0 0 24px;font-size:24px;font-weight:700}.visually-hidden{white-space:nowrap;clip-path:inset(100%);clip:rect(0 0 0 0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}