.pv-card{border:1px solid #eceff3;border-radius:14px;background:#fff;padding:16px 18px;margin:0 auto 14px;max-width:1180px;box-shadow:0 2px 8px rgba(15,23,42,.04)}
.pv-card .seo-section{font-size:18px;font-weight:800;margin:0 0 12px;padding:0;border:0}
.pv-chip{display:inline-block;font-size:13px;color:#2b3038;background:#f3f5f9;border:1px solid #e9edf3;border-radius:8px;padding:5px 10px;margin:0 7px 7px 0;text-decoration:none}
.pv-chip:hover{background:#eaf3ff;border-color:#cfe6ff;color:#1677ff}
.pv-chip:visited{color:#2b3038}
.pv-more{color:#1677ff;font-weight:600;background:#eaf3ff;border-color:#cfe6ff}
.pv-stats{display:flex;gap:12px;margin:0 auto 14px;max-width:1180px}
.pv-stat{flex:1;border:1px solid #eceff3;border-radius:12px;padding:14px 16px;background:#fbfcfe;text-align:center}
.pv-stat .n{font-size:22px;font-weight:800;color:#1677ff}
.pv-stat .l{font-size:12px;color:#8a9099;margin-top:6px}
/* CTA 行动条 */
.pv-cta{max-width:1180px;margin:0 auto 14px;padding:20px 24px;border-radius:14px;background:linear-gradient(90deg,#eaf3ff,#f3f8ff);border:1px solid #dbeafe;text-align:center}
.pv-cta .pv-cta-t{font-size:16px;font-weight:800;color:#1f2329;margin-bottom:12px}
.pv-cta .pv-cta-b{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* 图例 / 致谢 / 定义 卡 */
.pv-legend{font-size:13px;color:#5b616b;line-height:2.1}
.pv-legend .pv-lg-t{font-weight:700;color:#1f2329}
.pv-credit{font-size:13px;color:#8a9099;line-height:1.8}
.pv-credit a{color:#1677ff}
.pv-def{padding:20px 24px}
.pv-def .dt{font-size:19px;font-weight:800;color:#1f2329;margin:0 0 8px}
.pv-def .db{font-size:15px;color:#4a4f57;line-height:1.85}
/* 紧凑页脚 */
.pv-footer{border-top:1px solid #eceff3;margin-top:16px;padding:22px 0 10px;background:#fbfcfe}
.pv-f-top{display:flex;gap:24px;align-items:flex-start;max-width:1180px;margin:0 auto;padding:0 30px}
.pv-f-left{flex:1}
.pv-f-brand{font-size:16px;font-weight:800;color:#1f2329}
.pv-f-sub{font-size:12px;font-weight:400;color:#8a9099;margin-left:8px;display:inline-block}
.pv-f-meta{font-size:12.5px;color:#8a9099;margin-top:8px;line-height:1.7}
.pv-f-meta a{color:#1677ff}
.pv-f-btns{margin-top:12px}
.pv-fb{display:inline-block;border-radius:9px;font-weight:700;padding:10px 18px;font-size:14px;margin:0 8px 8px 0;text-decoration:none}
.pv-fb-p{background:#1677ff;color:#fff}
.pv-fb-g{background:#fff;color:#1677ff;border:1px solid #bfd8ff}
.pv-f-right{text-align:center}
.pv-f-qr{width:150px;height:auto;border:1px solid #e6e9ee;border-radius:10px;background:#fff}
.pv-f-qrcap{font-size:12px;color:#8a9099;margin-top:6px}
.pv-f-spon{max-width:1180px;margin:14px auto 6px;padding:0 30px;font-size:12px;color:#9aa0a6;line-height:1.7;white-space:nowrap;overflow:hidden}
/* 移动端自适应 */
@media (max-width: 768px){
  .pv-card{padding:14px 14px 8px;border-radius:12px;margin-bottom:12px}
  .pv-card .seo-section{font-size:17px;margin-bottom:10px}
  .pv-stats{flex-wrap:wrap;gap:10px}
  .pv-stat{flex:1 1 calc(50% - 5px);min-width:0;padding:12px 10px}
  .pv-stat .n{font-size:20px}
  .pv-cta{padding:16px 14px}
  .pv-cta .pv-cta-t{font-size:14px;margin-bottom:10px}
  .pv-cta .pv-cta-b{flex-direction:column;gap:0}
  .pv-cta .pv-fb{margin:0 0 8px}
  .pv-legend{font-size:12.5px;line-height:2.0}
  .pv-def{padding:16px}
  .pv-def .dt{font-size:17px}
  .pv-def .db{font-size:14px}
  .pv-f-top{flex-direction:column;gap:16px;padding:0 16px}
  .pv-f-right{align-self:center}
  .pv-f-qr{width:132px}
  .pv-f-btns{display:flex;flex-direction:column;gap:0}
  .pv-fb{display:block;width:100%;text-align:center;margin:0 0 8px;box-sizing:border-box}
  .pv-f-spon{padding:0 16px}
}