*{margin:0;padding:0;box-sizing:border-box}:root{--accent:#2563eb;--accent-soft:#eff6ff;--text:#1f2937;--text-muted:#6b7280;--border:#e5e7eb;--bg:#f5f6f8;--card:#ffffff}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.site-header{background:var(--card);border-bottom:1px solid var(--border);padding:14px 20px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.site-logo{font-size:20px;font-weight:700;color:var(--text);text-decoration:none;display:inline-block}.site-logo span{color:var(--accent)}.site-main{padding:24px 20px 48px;min-height:calc(100vh - 160px)}.site-footer,.site-main{max-width:960px;margin:0 auto}.site-footer{padding:16px 20px 32px;color:var(--text-muted);font-size:13px;text-align:center}.category-bar{display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;padding:4px 0 16px;-webkit-overflow-scrolling:touch}.category-link{display:inline-block;padding:6px 16px;border-radius:999px;background:#f0f2f5;color:var(--text-muted);font-size:14px;text-decoration:none;white-space:nowrap;transition:background .15s,color .15s}.category-link:hover{background:var(--accent-soft);color:var(--accent)}.category-link.active{background:var(--accent);color:#fff;font-weight:600}.news-list{display:flex;flex-direction:column;gap:12px}.news-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px 18px;text-decoration:none;color:inherit;transition:box-shadow .15s,border-color .15s}.news-card:hover{box-shadow:0 3px 12px rgba(37,99,235,.12);border-color:#dbeafe}.news-card-title{font-size:16px;font-weight:600;color:var(--text);line-height:1.45}.news-card-meta{font-size:12px;color:var(--text-muted);margin-top:6px}.news-card-summary{font-size:13px;color:#4b5563;margin-top:6px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.skeleton-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px 18px}.skeleton-line{height:14px;border-radius:4px;background:linear-gradient(90deg,#eef1f5 25%,#e2e6ec 50%,#eef1f5 75%);background-size:200% 100%;animation:shimmer 1.4s infinite}.skeleton-line.title{width:70%;height:18px}.skeleton-line.meta{width:40%;margin-top:10px}.skeleton-line.summary{width:100%;margin-top:12px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.state-panel{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:48px 24px;text-align:center}.state-panel-title{font-size:16px;font-weight:600;color:var(--text);margin-bottom:8px}.state-panel-desc{font-size:14px;color:var(--text-muted);margin-bottom:20px}.state-button{display:inline-block;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:8px 22px;font-size:14px;cursor:pointer;text-decoration:none}.state-button:hover{background:#1d4ed8}.back-link{display:inline-block;color:var(--accent);font-size:14px;text-decoration:none;margin-bottom:16px}.back-link:hover{text-decoration:underline}.detail-panel{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:28px 30px}.detail-title{font-size:22px;font-weight:700;color:var(--text);line-height:1.45;margin-bottom:10px}.detail-meta{font-size:13px;color:var(--text-muted);padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:18px}.detail-body{font-size:15px;color:#374151;line-height:1.9;white-space:pre-wrap;word-break:break-word}.detail-source{margin-top:24px;padding-top:16px;border-top:1px solid var(--border)}.read-origin{display:inline-block;background:var(--accent);color:#fff;border-radius:8px;padding:8px 22px;font-size:14px;text-decoration:none}.read-origin:hover{background:#1d4ed8}