.sku-calculator{max-width:1400px;margin:0 auto}.sku-form{background:#fff;border-radius:16px;padding:24px;box-shadow:0 2px 12px #0000000f}.form-header{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr 80px;gap:12px;padding:0 0 12px;font-size:12px;font-weight:600;color:#999;border-bottom:1px solid #f0f0f0}.form-header>div{display:flex;align-items:center;height:20px}.sku-list{display:flex;flex-direction:column;gap:12px;margin-top:12px}.sku-row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr 80px;gap:12px;align-items:center}.sku-row input{width:100%;padding:10px 12px;border:1px solid #e5e5e5;border-radius:8px;font-size:14px;transition:border-color .2s;box-sizing:border-box;height:40px;line-height:1}.sku-row input:focus{outline:none;border-color:#722ed1}.sku-row input[type=number]{text-align:right}.remove-btn{padding:8px 12px;background:#fff2f0;color:#ff4d4f;border:none;border-radius:6px;font-size:12px;cursor:pointer;transition:background .2s}.remove-btn:hover{background:#ff4d4f;color:#fff}.add-sku-btn{width:100%;padding:12px;margin-top:16px;background:#fafafa;color:#722ed1;border:2px dashed #d9d9d9;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.add-sku-btn:hover{border-color:#722ed1;background:#f9f0ff}.calc-section{margin-top:20px}.calc-btn{width:100%;padding:14px;background:linear-gradient(135deg,#722ed1,#b37feb);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.calc-btn:hover{transform:translateY(-2px);box-shadow:0 4px 16px #722ed14d}.sku-result{margin-top:24px}.result-summary{margin-bottom:20px}.summary-card{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:#fff;border-radius:16px;padding:24px;box-shadow:0 2px 12px #0000000f}.summary-item{text-align:center}.summary-item .label{display:block;font-size:12px;color:#999;margin-bottom:8px}.summary-item .value{font-size:24px;font-weight:700;color:var(--text-primary, #333)}.summary-item .value.highlight{color:#722ed1}.result-table{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 2px 12px #0000000f}.table-header{display:grid;grid-template-columns:60px 1.5fr 1fr 1fr 1fr 80px;gap:12px;padding:16px 24px;background:#fafafa;font-size:12px;font-weight:600;color:#999;white-space:nowrap;overflow:hidden}.table-body{display:flex;flex-direction:column;overflow-x:auto}.table-row{display:grid;grid-template-columns:60px 1.5fr 1fr 1fr 1fr 80px;gap:12px;padding:16px 24px;border-bottom:1px solid #f0f0f0;font-size:14px;align-items:center;transition:background .2s;white-space:nowrap;min-width:-moz-max-content;min-width:max-content}.table-row:last-child{border-bottom:none}.table-row:hover{background:#fafafa}.table-row.gold{background:#fffbe6}.table-row.gold .rank{background:#fa8c16;color:#fff}.table-row.silver{background:#f5f5f5}.table-row.silver .rank{background:#8c8c8c;color:#fff}.table-row.bronze{background:#fff7e6}.table-row.bronze .rank{background:#8b4513;color:#fff}.rank{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#f0f0f0;border-radius:50%;font-weight:600;font-size:12px}.name{font-weight:500;color:var(--text-primary, #333);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.margin,.gross,.profit,.score{text-align:right;white-space:nowrap}.score{font-weight:700;color:#722ed1;text-align:center}.analysis-section{margin-top:20px}.analysis-box{background:#fff;border-radius:16px;padding:24px;box-shadow:0 2px 12px #0000000f}.analysis-box h4{margin:0 0 16px;font-size:16px;color:var(--text-primary, #333)}.analysis-box p{margin:0 0 12px;padding:12px;background:#fafafa;border-radius:8px;font-size:14px;color:var(--text-secondary, #666);line-height:1.5}.analysis-box p:last-child{margin-bottom:0}.analysis-box.success{background:#f6ffed}.analysis-box.success p{background:#fff}@media(max-width:768px){.form-header{display:none}.sku-row{grid-template-columns:1fr 1fr;gap:8px;padding:16px;background:#fafafa;border-radius:12px}.sku-row input{grid-column:span 1}.sku-row input:first-child{grid-column:span 2}.sku-row .remove-btn{grid-column:span 2;margin-top:8px}.summary-card{grid-template-columns:repeat(2,1fr)}.table-header,.table-row{grid-template-columns:40px 1fr 1fr 1fr;gap:8px;padding:12px 16px}.table-header span:nth-child(5),.table-header span:nth-child(6),.table-row .gross,.table-row .score{display:none}}