/* 共享文章样式 */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:#f8fafc;color:#111827;line-height:1.75;font-size:15px}
.top-bar{background:#fff;border-bottom:1px solid #e5e7eb;padding:10px 0;position:sticky;top:0;z-index:100}
.top-bar-inner{max-width:800px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.back-btn{display:inline-flex;align-items:center;gap:6px;background:#1a56db;color:#fff;padding:7px 14px;border-radius:7px;font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap}
.back-btn:hover{background:#1e40af}
.source-tag{font-size:12px;color:#6b7280;background:#f3f4f6;padding:4px 10px;border-radius:20px;white-space:nowrap}
article{max-width:800px;margin:32px auto;padding:0 24px 60px}
.article-meta{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px 24px;margin-bottom:28px}
.article-meta-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:12px}
.author-badge{display:inline-flex;align-items:center;gap:8px;background:#eff6ff;border-radius:20px;padding:5px 12px 5px 8px}
.author-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;color:#fff}
.author-name{font-size:13px;font-weight:600;color:#1a56db}
.meta-stats{display:flex;gap:16px}
.meta-stat{text-align:center}
.meta-stat-num{font-size:16px;font-weight:700;color:#111827}
.meta-stat-label{font-size:11px;color:#6b7280;margin-top:1px}
.article-title-main{font-size:22px;font-weight:800;color:#111827;line-height:1.4;margin-bottom:10px}
.article-summary{font-size:13.5px;color:#4b5563;line-height:1.65;border-left:3px solid #1a56db;padding-left:12px}
h1{font-size:22px;font-weight:800;color:#111827;margin:28px 0 14px;line-height:1.4}
h2{font-size:17px;font-weight:700;color:#1e3a5f;margin:24px 0 10px;padding-bottom:6px;border-bottom:1px solid #e5e7eb}
h3{font-size:15px;font-weight:700;color:#111827;margin:18px 0 8px}
p{margin-bottom:12px;color:#374151}
ul,ol{margin:10px 0 14px 20px;color:#374151}
li{margin-bottom:6px;line-height:1.7}
strong{color:#111827}
.callout{background:#eff6ff;border:1px solid #bfdbfe;border-radius:10px;padding:14px 16px;margin:18px 0;font-size:13.5px;color:#1e40af;line-height:1.65}
.callout.warning{background:#fffbeb;border-color:#fde68a;color:#92400e}
.callout.green{background:#f0fdf4;border-color:#bbf7d0;color:#14532d}
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:13.5px}
th{background:#1e3a5f;color:#fff;padding:10px 14px;text-align:left;font-weight:600}
td{padding:9px 14px;border-bottom:1px solid #e5e7eb}
tr:hover td{background:#f8fafc}
.key-insight{background:linear-gradient(135deg,#fef9c3,#fef3c7);border:1px solid #fde047;border-radius:10px;padding:16px 18px;margin:20px 0}
.key-insight-title{font-size:13px;font-weight:700;color:#854d0e;margin-bottom:6px}
.key-insight-body{font-size:13.5px;color:#713f12;line-height:1.7}
.section-end{border-top:1px solid #e5e7eb;margin-top:36px;padding-top:20px;text-align:center}
.section-end a{color:#1a56db;font-size:13px;text-decoration:none;font-weight:600}
hr{border:none;border-top:1px solid #e5e7eb;margin:20px 0}
blockquote{border-left:4px solid #1a56db;padding:10px 16px;margin:16px 0;background:#f8fafc;border-radius:0 8px 8px 0;color:#374151;font-style:italic}
