:root{color-scheme:light;--ink:#17243b;--muted:#637189;--line:#e5eaf1;--blue:#285ee8;--blue-soft:#edf3ff;--paper:#fff;--bg:#f5f7fb;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{touch-action:manipulation}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #8faefc;outline-offset:3px}[hidden]{display:none!important}
.topbar{height:76px;border-bottom:1px solid var(--line);background:var(--paper);display:flex;align-items:center;padding:0 max(24px,calc((100% - 1240px)/2));gap:20px}.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);font-weight:650;white-space:nowrap;letter-spacing:-.2px}.brand:hover{text-decoration:none}.brand-mark{display:inline-grid;place-items:center;width:35px;height:35px;background:var(--blue);color:#fff;border-radius:10px;font-size:21px;font-weight:600}.brand-divider{color:#c6cedc;font-weight:400}.brand-sub{font-size:14px;font-weight:500}.account{margin-left:auto;display:flex;align-items:center;gap:18px;min-width:0}.account-email{color:var(--muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;max-width:220px}.container{width:min(1240px,calc(100% - 48px));margin:34px auto 28px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted);font-weight:600}.heading-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}h1{font-size:28px;letter-spacing:-1px;margin:8px 0 10px;font-weight:650}h2{font-size:17px;font-weight:650;margin:0}.subtitle{color:var(--muted);line-height:1.7;margin:0}.panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:0 3px 12px #17243b03}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:9px 17px;border:1px solid #d9e0eb;border-radius:8px;background:white;color:var(--ink);font-weight:550;white-space:nowrap}.button:hover{background:#f6f8fc;text-decoration:none}.button.primary{color:white;background:var(--blue);border-color:var(--blue)}.button.primary:hover{background:#1d4fd0}.button.quiet{background:transparent;border-color:transparent;color:var(--muted)}.button.wide{width:100%}.label{display:block;font-size:13px;font-weight:600;margin-bottom:9px}.input{width:100%;height:46px;padding:0 13px;border:1px solid #d5deeb;border-radius:8px;background:#fff;color:var(--ink)}.input::placeholder{color:#919cb0}.input[aria-invalid=true]{border-color:#bc374c}.help{font-size:12px;line-height:1.7;color:var(--muted);margin:8px 0 0}.error{color:#ac2d42}.message{padding:12px 15px;border-radius:8px;background:var(--blue-soft);color:#25458a;line-height:1.7;margin:14px 0}.message.error{background:#fff0f1;color:#a12d40}.message:empty{display:none}.preview{background:#fff5db;color:#73551c;padding:10px 24px;text-align:center;font-size:12px}.preview a{color:inherit;text-decoration:underline;margin-left:14px}.footer{color:#7b879b;text-align:center;font-size:12px;padding:20px 24px 26px}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:5px;font-size:12px;white-space:nowrap;background:#eef2f7;color:#59677b}.badge.blue{background:#edf3ff;color:#2854bb}.badge.green{background:#eaf6ef;color:#2e7952}.badge.amber{background:#fff4df;color:#916b20}.badge.red{background:#fff0f1;color:#ab394b}.dot{width:6px;height:6px;border-radius:50%;background:currentColor}.auth-main{min-height:calc(100vh - 152px);display:grid;place-items:center;padding:50px 20px}.auth-wrap{width:100%;max-width:418px}.auth-intro{text-align:center;margin-bottom:26px}.auth-intro h1{font-size:29px}.auth-card{padding:28px}.tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);margin-bottom:26px}.tab{padding:0 0 14px;border:0;border-bottom:2px solid transparent;background:none;color:var(--muted);font-weight:600}.tab[aria-selected=true]{border-bottom-color:var(--blue);color:var(--blue)}.auth-card .primary{margin-top:22px}.auth-note{text-align:center;margin-top:18px;color:var(--muted);font-size:12px;line-height:1.8}.submission{padding:23px 25px;margin-bottom:26px}.section-label{display:flex;gap:10px;align-items:center;margin-bottom:22px}.step{font-size:11px;color:var(--blue);background:var(--blue-soft);border-radius:5px;padding:5px 7px;font-weight:600}.form-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:34px}.file-input{width:100%;min-height:46px;padding:7px;border:1px dashed #b7c9e8;border-radius:8px;background:#f9fbff;color:var(--muted);font-size:12px}.file-input::file-selector-button{border:0;background:#eaf0fd;color:#2e58ab;padding:8px 12px;border-radius:5px;margin-right:12px;cursor:pointer}.submit-row{display:flex;align-items:center;gap:16px;margin-top:20px}.submit-row .help{margin:0}.task-head{display:flex;justify-content:space-between;align-items:center;padding:21px 24px;border-bottom:1px solid var(--line);gap:12px}.refresh-area{display:flex;gap:14px;align-items:center}.refresh-time{font-size:12px;color:var(--muted)}.table-scroll{overflow-x:auto}.task-table{width:100%;border-collapse:collapse;text-align:left;white-space:nowrap}.task-table th{font-size:12px;font-weight:500;color:var(--muted);background:#fafbfe;padding:12px 24px}.task-table td{padding:13px 24px;border-top:1px solid #eef1f6;font-size:13px}.task-table td:first-child{color:var(--muted);font-variant-numeric:tabular-nums}.task-table tr:hover td{background:#fbfcff}.task-table .reason{white-space:normal;min-width:190px;max-width:440px;line-height:1.5;color:var(--muted);font-size:12px}.task-table .asin{font-family:ui-monospace,SFMono-Regular,monospace;font-size:13px}.empty{padding:46px 20px;text-align:center;color:var(--muted);line-height:1.8}.pagination{display:flex;justify-content:flex-end;align-items:center;gap:12px;padding:12px 24px;border-top:1px solid var(--line)}.pagination span{font-size:12px;color:var(--muted)}.report-container{width:calc(100% - 48px);max-width:1800px;margin:28px auto}.back{font-size:13px;display:inline-block;margin-bottom:16px}.report-heading{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.report-heading h1{margin:0}.report-meta{display:flex;gap:10px 28px;flex-wrap:wrap;margin:16px 0 20px;font-size:12px;color:var(--muted);line-height:1.8}.report-meta p{margin:0}.report-toolbar{padding:18px 20px;display:flex;justify-content:space-between;gap:16px;align-items:center}.report-toolbar .subtitle{font-size:12px}.report-table-wrap{overflow:auto;max-height:70vh;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.report-table{border-collapse:separate;border-spacing:0;table-layout:fixed;width:2600px;font-size:12px}.report-table th,.report-table td{text-align:left;vertical-align:top;padding:14px 13px;border-bottom:1px solid var(--line);border-right:1px solid #f0f3f8;line-height:1.7;overflow-wrap:anywhere;background:white}.report-table thead th{position:sticky;top:0;background:#f4f7fc;color:#58677f;font-weight:600;z-index:2;font-size:12px}.report-table tbody th{position:sticky;left:0;z-index:1;font-weight:600;box-shadow:2px 0 5px #152d4710;color:#263f69}.report-table thead th:first-child{left:0;z-index:3}.report-table tbody tr:hover>*{background:#fafcff}.report-table img{object-fit:contain;width:44px;height:44px;background:white;border-radius:4px;display:block;margin-top:6px}.report-table .competitors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.image-missing{font-size:11px;color:var(--muted);background:#f1f3f7;padding:6px;display:inline-block;border-radius:4px}.report-note{padding:15px 20px;font-size:12px;line-height:1.8;color:var(--muted)}.report-note p{margin:0}.trend-chart{width:150px;height:40px;display:block;margin-bottom:7px}.trend-details{font-size:11px;color:var(--muted)}.trend-details summary{cursor:pointer;color:#4264a3;padding:4px 0}.report-loading{padding:60px;text-align:center;color:var(--muted)}
@media(min-width:701px){body[data-page=tool] .container{margin-top:24px}body[data-page=tool] .heading-row{margin-bottom:20px}body[data-page=tool] .submission{padding:18px 24px;margin-bottom:22px}body[data-page=tool] .section-label{margin-bottom:16px}body[data-page=tool] .submit-row{margin-top:14px}body[data-page=tool] .task-head{padding:14px 24px}body[data-page=tool] .task-table td{padding:9px 24px}}@media(max-width:700px){.topbar{height:66px;padding:0 16px;gap:12px}.brand{gap:8px}.brand-sub{font-size:12px}.brand-mark{width:30px;height:30px}.account{gap:4px}.account-email{display:none}.container,.report-container{width:calc(100% - 28px);margin:25px auto}.heading-row{align-items:flex-start}h1{font-size:24px}.form-grid{grid-template-columns:1fr;gap:22px}.submission{padding:20px}.submit-row{align-items:flex-start;flex-direction:column}.submit-row .button{width:100%}.task-head{padding:17px 16px}.refresh-time{display:none}.task-table th,.task-table td{padding:12px 16px}.task-table{min-width:710px}.pagination{padding:12px}.auth-main{padding:38px 18px}.auth-card{padding:24px}.auth-intro h1{font-size:26px}.report-meta{gap:8px}.report-toolbar{align-items:flex-start;flex-direction:column;padding:16px}.report-table-wrap{max-height:65vh}.report-table th,.report-table td{padding:12px 10px}.report-heading h1{font-size:22px}.preview{line-height:1.8;padding:8px 14px}.input{font-size:16px}.button{min-height:44px}.auth-note{font-size:12px}.brand-divider{display:none}}
.thumbnail{position:relative;display:block;width:44px;height:44px;margin-top:6px;background:#f4f6fa;border-radius:4px}.thumbnail-loading{position:absolute;inset:0;display:grid;place-items:center;font-size:11px;color:#637189}.report-table .thumbnail img{margin:0;opacity:0}.report-table .thumbnail img.loaded{opacity:1}
/* Seven grouped columns: performance and natural positions remain adjacent. */
.opportunity-table{width:1560px;min-width:100%;font-size:12px}.opportunity-table th,.opportunity-table td{padding:18px 15px}.opportunity-table .keyword-name{font-size:15px;line-height:1.5;margin-bottom:10px;color:#1d2a40}.opportunity-table .keyword-cell .badge{margin-bottom:8px}.fact-tag{display:block;color:#3f6691;font-size:11px;font-weight:500;line-height:1.6;margin:4px 0}.opportunity-table .secondary{color:#7a8699;font-size:11px;line-height:1.7;font-weight:400}.ad-primary{display:flex;gap:4px;align-items:baseline}.metric-value{font-size:22px;line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.5px}.acos-line{margin-top:6px;font-size:13px}.acos-line strong{font-size:16px;font-variant-numeric:tabular-nums}.report-details{margin-top:8px;color:#6f7e94;font-size:11px;line-height:1.8}.report-details summary{cursor:pointer;color:#567099}.rank-comparison{display:flex;gap:13px;align-items:center}.rank-comparison>div{display:flex;flex-direction:column;gap:4px}.rank-own,.rank-rival{font-size:24px;line-height:1.2;font-variant-numeric:tabular-nums}.rank-own{color:#285ee8}.rank-rival{color:#657389}.rank-vs{color:#a0aabd;margin-top:14px}.rival-asin{margin-top:9px}.metric-label{font-size:11px;color:#7a8699;margin-bottom:3px}.search-value{font-size:17px;font-variant-numeric:tabular-nums}.search-trend{margin-top:7px}.opportunity-table .trend-chart{height:31px;width:140px;margin:0 0 3px}.difficulty-value{font-size:19px;color:#44536b;font-variant-numeric:tabular-nums}.bid-values{margin-top:12px;font-size:12px;line-height:1.9}.opportunity-table .competitors{gap:10px}.competitor-asin{font-size:10px;overflow-wrap:anywhere;margin-top:7px;color:#53647d}.share-value{font-size:12px;color:#53647d;font-variant-numeric:tabular-nums}.own-label{font-size:11px;color:#285ee8;font-weight:600}.share-note{margin-top:10px}.opportunity-table .thumbnail{margin-top:0}.opportunity-table .image-missing{font-size:10px;padding:3px}.advice-title{margin-bottom:10px}.advice-copy{margin:0;font-size:12px;line-height:1.9;color:#5c6b82}.metric-empty{font-size:16px;color:#657389}.report-meta{display:block}.report-meta p{margin:6px 0}.opportunity-table tbody tr:hover>*{background:#f8fbff}
@media(max-width:700px){.opportunity-table col:first-child{width:150px!important}.opportunity-table{width:1520px}.opportunity-table th,.opportunity-table td{padding:14px 12px}.opportunity-table .keyword-name{font-size:14px}.opportunity-table .keyword-cell .badge{white-space:normal}.report-meta{line-height:1.8}}
.preview a{display:inline-block;white-space:nowrap}