.overview-panel{margin:0 0 28px;padding:24px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#fff,#f7faff);box-shadow:0 5px 24px #1b31500c}.overview-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.overview-head h2,.overview-panel h3{margin:0;font-size:18px}.overview-total{display:flex;align-items:baseline;gap:10px;margin:18px 0 22px}.overview-total span{font-size:42px;font-weight:900;letter-spacing:-.04em;color:var(--blue)}.overview-total small{color:var(--muted);font-size:13px}.channel-summary{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:13px 0 24px}.channel-card{display:grid;gap:5px;min-height:90px;padding:14px;border:1px solid var(--line);border-top:3px solid var(--channel-color);border-radius:12px;background:#fff}.channel-card b{font-size:13px}.channel-card span{font-size:24px;font-weight:900;color:var(--ink)}.channel-card small{color:var(--muted);font-size:11px}.question-chart{padding:20px;border:1px solid #dce6f5;border-radius:14px;background:#fff}.question-chart>div:first-child{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.chart-legend{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0 4px}.chart-legend span{display:flex;align-items:center;gap:6px;color:#5c6d80;font-size:11px;font-weight:700}.chart-legend i{width:10px;height:10px;border-radius:50%;background:var(--channel-color)}.chart-canvas{min-height:245px;margin-top:6px}.chart-canvas svg{display:block;width:100%;height:245px;overflow:visible}.chart-grid{stroke:#e8edf4;stroke-width:1}.chart-label{fill:#8290a0;font-size:10px}.chart-empty{display:grid;place-items:center;min-height:210px;color:var(--muted);font-size:13px}@media(max-width:1000px){.channel-summary{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:620px){.overview-panel{padding:18px}.overview-head{align-items:stretch;flex-direction:column}.overview-head .ghost{width:100%}.channel-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.overview-total span{font-size:36px}.question-chart{padding:16px}.question-chart>div:first-child{flex-direction:column}.chart-canvas{overflow:auto}.chart-canvas svg{min-width:560px}}