:root{--color-bg:#f6f7f9;--color-surface:#fff;--color-border:#d8dce3;--color-text:#15191f;--color-text-muted:#59606b;--color-accent:#1f4f8f;--color-accent-contrast:#fff;--color-missing-bg:#fdf3e3;--color-missing-text:#7a4b05;--color-missing-border:#e3b877;--color-ok-bg:#e7f3ec;--color-ok-text:#1c5a34;--color-warn-bg:#fdeaea;--color-warn-text:#8a2222;--color-info-bg:#e8eef7;--color-info-text:#1f4f8f;--radius:8px;--gap:12px;--gap-lg:20px;--max-width:1040px;--nav-height:60px;--font-sans:system-ui, -apple-system, "Segoe UI", "Noto Sans TC", "PingFang HK", "Microsoft JhengHei", sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);-webkit-text-size-adjust:100%;font-size:16px;line-height:1.5}h1,h2,h3{margin:0 0 .5rem;line-height:1.25}h1{font-size:1.5rem}h2{font-size:1.15rem}h3{font-size:1rem}p{margin:0 0 .75rem}a{color:var(--color-accent)}:focus-visible{outline:3px solid var(--color-accent);outline-offset:2px;border-radius:4px}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}