:root{--ink:#18332f;--muted:#62716a;--ground:#f5f5ef;--surface:#fffefa;--soft:#edf1e9;--line:#dce2d8;--teal:#173f3b;--teal-hover:#245852;--selected:#e5eee7;--amber:#825411;--amber-bg:#fbf0d8;--danger:#a13b32;--danger-bg:#faeae5;--focus:#167569;--radius:12px;--shadow:0 7px 20px rgba(24,51,47,.08)}
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@media(max-width:1100px){main{padding:27px 24px 16px}.topbar{padding:0 24px}.filter-fields{flex-wrap:wrap}.search-field{max-width:none;flex-basis:100%}.summary-strip{gap:30px}.summary-item strong{font-size:20px}.cluster-entry summary{grid-template-columns:minmax(200px,1.4fr) 90px 90px 115px 16px;gap:12px}.detail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
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@media(max-width:380px){.page-heading{flex-wrap:wrap}.heading-actions{justify-content:flex-start}.top-context{gap:0}.top-context>span:first-child{font-size:12px}}

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.research-history{min-width:0;margin:8px 0 0;border-top:1px solid var(--line);padding-top:20px}.history-heading{display:flex;align-items:baseline;justify-content:space-between;gap:14px;flex-wrap:wrap}.history-heading h3{margin:0;font-size:14px;font-weight:650}.history-load-state{font-size:12px;color:var(--muted)}.history-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px 0 8px}.history-tabs{display:flex;gap:20px;border-bottom:1px solid var(--line);flex:1}.history-tabs button{padding:7px 0 9px;border:0;border-bottom:2px solid transparent;background:none;color:var(--muted);font-size:13px}.history-tabs button.active{color:var(--teal);font-weight:600;border-bottom-color:var(--teal)}.history-refresh,.history-export{padding:5px 8px;border:1px solid var(--line);border-radius:5px;background:var(--surface);color:var(--teal);font-size:12px;white-space:nowrap}.history-refresh:hover,.history-export:hover{background:var(--selected)}.history-series{min-width:0}.history-chart{width:100%;min-width:0;overflow:hidden}.history-chart svg{display:block;width:100%;height:auto;fill:none;stroke-width:1}.history-chart svg text{fill:var(--muted);stroke:none;font-family:inherit;font-size:12px}.history-chart svg .history-axis-name{fill:var(--ink);font-size:12px}.history-grid-line{stroke:var(--line);stroke-width:1}.history-legend{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin:15px 0 7px;color:var(--muted);font-size:12px}.history-legend span{display:inline-flex;align-items:center;gap:6px}.history-legend i{display:inline-block;flex:none}.history-legend-bar{width:17px;height:10px;background:var(--series-color)}.history-legend-line{width:19px;height:2px;background:var(--series-color)}.history-series-context{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin:7px 0 10px}.history-note{font-size:12px;color:var(--muted);line-height:1.7;margin:9px 0;max-width:90ch}.history-provenance{display:flex;align-items:center;gap:6px 16px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-top:15px;padding-top:12px;border-top:1px solid var(--line)}.history-provenance a{font-size:12px}.history-empty{padding:22px 0 18px;color:var(--muted);font-size:12px}.history-empty strong{display:block;font-size:13px;color:var(--ink);font-weight:550;margin-bottom:6px}.history-empty p{max-width:75ch}.history-data-table{margin-top:14px}.history-data-table>summary{cursor:pointer;color:var(--teal);font-size:12px;padding:7px 0}.history-table-scroll{max-height:320px;overflow:auto;scrollbar-color:#9db1a1 var(--soft);border:1px solid var(--line);border-radius:6px;margin-top:6px}.history-table-scroll table{min-width:420px}.history-table-scroll th,.history-table-scroll td{padding:8px 12px;font-size:12px}.history-table-scroll th{position:sticky;top:0}.history-table-scroll tr:last-child td{border-bottom:0}@media(max-width:700px){.research-history{padding-top:17px}.history-heading{gap:5px}.history-heading h3{font-size:14px}.history-toolbar{margin-top:11px;gap:10px}.history-tabs{gap:17px}.history-tabs button{font-size:12px}.history-legend{gap:8px 14px;margin-top:13px;justify-content:flex-start}.history-series-context{align-items:flex-start}.history-provenance{gap:5px 10px;align-items:flex-start}.history-empty{padding:18px 0}.history-chart svg text{font-size:12px}}

.filter-fields{flex-wrap:wrap}.seller-select-field{min-width:0}.seller-select-field select{min-width:145px;max-width:225px;text-overflow:ellipsis}.product-table td:nth-child(7) .status-badge{white-space:nowrap}.product-table td:nth-child(7){min-width:110px}@media(max-width:700px){.filter-fields .seller-select-field{flex-basis:100%;flex-grow:1;max-width:100%}.seller-select-field select{min-width:0;max-width:none;flex:1;width:0}.filter-fields .select-field:nth-child(4),.filter-fields .select-field:nth-child(5){flex:1}}

.seller-meta{display:flex;flex-basis:100%;max-width:400px;min-width:0;gap:7px;overflow:hidden;white-space:nowrap}.seller-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.seller-country{flex:none}.seller-address{white-space:pre-line}.seller-scope-note{margin-top:10px;color:var(--muted);font-size:12px;line-height:1.7;max-width:100ch}@media(max-width:700px){.seller-meta{max-width:250px}.seller-scope-note{margin-top:9px}}

.row-actions{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.history-shortcut{border:1px solid #9fb6a6;background:var(--selected);color:var(--teal);padding:5px 8px;border-radius:5px;font-size:12px;white-space:nowrap}.history-shortcut:hover{background:#d6e5d9}.section-heading .history-coverage{margin-top:9px;color:var(--teal);font-size:12px;line-height:1.7;max-width:110ch}.product-table td:last-child{min-width:94px}

/* 品牌对照的每条信息保持单行，窄屏由表格容器横向滚动。 */
.brand-table th,.brand-table td,.brand-table small,.brand-table .status-badge{white-space:nowrap}
.brand-table .revenue-cny{font-size:13px;color:var(--ink);font-weight:500}
.brand-table .revenue-cell .aov-note{margin-top:5px}

.product-summary{min-width:0}
.product-title-row{display:flex;align-items:flex-start;gap:4px;max-width:620px}
.product-title-row .product-title{min-width:0}
.copy-field{display:inline-flex;align-items:center;gap:4px;max-width:100%;vertical-align:middle}
.copy-value{min-width:0;user-select:text}
.product-image-wrap{display:block;flex:none}
.seller-meta{align-items:center;gap:5px}
.seller-meta .seller-name{user-select:text}
.category-meta{flex-basis:100%}
.brand-category .copy-field{display:flex;margin-top:5px}
.brand-category .copy-field .copy-value{display:inline;margin-top:0}
.product-pricing{white-space:nowrap}
.product-pricing small{display:block;margin-top:6px;color:var(--muted);font-size:12px;font-weight:400}

/* 汇总按当前筛选的父体口径排列；窄屏两列，不横向挤压。 */
.summary-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px 26px}
.summary-item{min-width:0}
.summary-item .summary-usd{white-space:nowrap}
.summary-item .summary-cny{color:var(--ink);font-size:14px;font-weight:500;font-variant-numeric:tabular-nums;white-space:nowrap;margin-top:-2px}
.summary-item .summary-label{margin-top:2px}
@media(max-width:900px){.summary-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px}}
@media(max-width:700px){.summary-strip{gap:20px 18px}.summary-item .summary-cny{font-size:13px}}

.report-link{text-decoration:none;white-space:nowrap;flex-shrink:0}