:root{--c-bg: #ffffff;--c-bg-soft: #f5f7fa;--c-border: #e5e8ee;--c-text: #1f2a37;--c-text-secondary: #5a6572;--c-text-muted: #8a94a1;--c-primary: #1a5fb4;--c-primary-soft: #eaf1fb;--c-accent: #c0392b;--c-tag-bg: #f0f2f6;--c-tag-text: #48566a;--radius: 8px;--radius-sm: 6px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow-md: 0 2px 8px rgba(16, 24, 40, .08);--max-w: 1200px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);font-size:15px;line-height:1.65;color:var(--c-text);background:var(--c-bg)}a{color:var(--c-primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.site-header[data-astro-cid-37fxchfa]{background:var(--c-bg);border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:10}.header-inner[data-astro-cid-37fxchfa]{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}.brand[data-astro-cid-37fxchfa]{display:flex;flex-direction:column;line-height:1.2;text-decoration:none;color:var(--c-text)}.brand-name[data-astro-cid-37fxchfa]{font-size:18px;font-weight:700}.brand-sub[data-astro-cid-37fxchfa]{font-size:11px;color:var(--c-text-muted)}.nav[data-astro-cid-37fxchfa]{display:flex;gap:4px}.nav-link[data-astro-cid-37fxchfa]{padding:6px 14px;border-radius:var(--radius-sm);color:var(--c-text-secondary);font-size:14px;font-weight:500;text-decoration:none}.nav-link[data-astro-cid-37fxchfa]:hover{background:var(--c-bg-soft);text-decoration:none}.nav-link[data-astro-cid-37fxchfa].active{color:var(--c-primary);background:var(--c-primary-soft);font-weight:600}.site-footer[data-astro-cid-37fxchfa]{margin-top:48px;padding:24px 0;border-top:1px solid var(--c-border);background:var(--c-bg-soft);color:var(--c-text-muted);font-size:13px}.site-footer[data-astro-cid-37fxchfa] p[data-astro-cid-37fxchfa]{margin:4px 0}.footer-meta[data-astro-cid-37fxchfa]{font-size:12px}@media(max-width:640px){.header-inner[data-astro-cid-37fxchfa]{height:auto;flex-direction:column;align-items:flex-start;padding:12px 20px;gap:8px}.nav[data-astro-cid-37fxchfa]{width:100%}.nav-link[data-astro-cid-37fxchfa]{flex:1;text-align:center}}.filter-panel[data-astro-cid-svhkuxpx]{border:1px solid var(--c-border);border-radius:var(--radius);padding:16px;background:var(--c-bg-soft);margin:16px 0 20px}.filter-row[data-astro-cid-svhkuxpx]{margin-bottom:12px}.filter-label[data-astro-cid-svhkuxpx]{display:block;font-size:13px;color:var(--c-text-secondary);font-weight:600;margin-bottom:6px}.search-input[data-astro-cid-svhkuxpx]{width:100%;padding:10px 14px;border:1px solid var(--c-border);border-radius:var(--radius-sm);font-size:14px;background:var(--c-bg);color:var(--c-text)}.search-input[data-astro-cid-svhkuxpx]:focus{outline:2px solid var(--c-primary);outline-offset:0}.filter-options[data-astro-cid-svhkuxpx]{display:flex;flex-wrap:wrap;gap:6px}.opt[data-astro-cid-svhkuxpx]{font-size:13px;padding:5px 12px;border:1px solid var(--c-border);border-radius:999px;background:var(--c-bg);color:var(--c-text-secondary);cursor:pointer}.opt[data-astro-cid-svhkuxpx]:hover{border-color:var(--c-primary);color:var(--c-primary)}.opt[data-astro-cid-svhkuxpx].active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}.result-bar[data-astro-cid-svhkuxpx]{font-size:13px;color:var(--c-text-muted);margin-top:8px}.article-list[data-astro-cid-svhkuxpx]{display:flex;flex-direction:column;gap:14px}.empty-state[data-astro-cid-svhkuxpx]{text-align:center;padding:40px 0;color:var(--c-text-muted)}.card[data-astro-cid-svhkuxpx]{border:1px solid var(--c-border);border-radius:var(--radius);padding:16px 18px;background:var(--c-bg);box-shadow:var(--shadow-sm)}.card-head[data-astro-cid-svhkuxpx]{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.tag[data-astro-cid-svhkuxpx]{font-size:12px;padding:2px 8px;border-radius:4px;background:var(--c-tag-bg);color:var(--c-tag-text)}.tag-source[data-astro-cid-svhkuxpx]{background:var(--c-primary-soft);color:var(--c-primary)}.tag-test[data-astro-cid-svhkuxpx]{background:#fef2f2;color:var(--c-accent)}.card-title[data-astro-cid-svhkuxpx]{margin:0 0 8px;font-size:16px;font-weight:600;line-height:1.4}.card-title[data-astro-cid-svhkuxpx] a[data-astro-cid-svhkuxpx]{color:var(--c-text)}.card-title[data-astro-cid-svhkuxpx] a[data-astro-cid-svhkuxpx]:hover{color:var(--c-primary);text-decoration:none}.card-summary[data-astro-cid-svhkuxpx]{margin:0 0 12px;color:var(--c-text-secondary);font-size:14px}.summary-label[data-astro-cid-svhkuxpx]{color:var(--c-text-muted);font-size:12px}.card-tags[data-astro-cid-svhkuxpx]{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.chip[data-astro-cid-svhkuxpx]{font-size:12px;padding:2px 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