:root{--c-bg:#f6f8fa;--c-card:#fff;--c-border:#d0d7de;--c-border-soft:#eaeef2;--c-text:#1f2328;--c-text-secondary:#57606a;--c-text-muted:#8b949e;--c-primary:#1a73e8;--c-primary-hover:#2f81ed;--c-primary-pressed:#0f5ec4;--c-primary-soft:#f0f6ff;--c-success:#1a7f37;--c-success-soft:#dafbe1;--c-danger:#cf222e;--c-danger-soft:#ffebe9;--r-sm:4px;--r-md:6px;--r-lg:8px;--shadow-card:0 1px 2px #1f23280a, 0 1px 3px #1f23280d;--shadow-card-hover:0 2px 6px #1f232814, 0 1px 3px #1f23280f;--shadow-header:0 1px 3px #1f23280a;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--c-bg);color:var(--c-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.6}a{color:var(--c-primary)}a,a:hover{text-decoration:none}:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}.page{max-width:1080px;margin:0 auto;padding:24px 20px}.card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-md);box-shadow:var(--shadow-card)}.page-title{color:var(--c-text);margin:0 0 4px;font-size:20px;font-weight:600}.page-subtitle{color:var(--c-text-secondary);margin:0 0 20px;font-size:13px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#c9d1d9 padding-box content-box;border:2px solid #0000;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#aeb6bf padding-box content-box;border:2px solid #0000}::-webkit-scrollbar-track{background:0 0}