:root{--font-body:"Avenir Next","Segoe UI","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Microsoft YaHei",sans-serif;--font-mono:"IBM Plex Mono","SFMono-Regular","Menlo","Consolas","Liberation Mono",monospace;--text-main:#133247;--text-strong:#0f2738;--text-soft:#2a5a77;--text-muted:#4f6f83;--line-soft:#b7d0de;--line-strong:#8fb5c8;--surface-primary:#fff;--surface-soft:#f4f9fc;--surface-contrast:#e8f3f9;--brand-500:#1389bc;--brand-700:#0d5479;--warn-100:#fff2df;--warn-500:#bb6f2e;--danger-100:#ffe9e5;--danger-500:#b64f43;--ok-100:#e4f6ee;--ok-500:#11724d;--shadow-soft:0 18px 36px #0f486b1f;--radius-xl:24px;--radius-lg:16px;--radius-md:12px}html,body{max-width:100vw;overflow-x:hidden}body{color:var(--text-main);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#eaf2f8;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}