.bearing-calc-wrapper {
    max-width: 680px;
    margin: 30px auto;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    overflow: hidden;
    border: 1px solid #e8e8e8;
}
.calc-header {
    background: linear-gradient(135deg, #1976D2 0%, #2196F3 100%);
    color: #fff;
    padding: 24px 30px;
    text-align: center;
}
.calc-header h3 { margin: 0 0 8px; font-size: 22px; font-weight: 600; color: #fff; }
.calc-header p { margin: 0; opacity: 0.85; font-size: 14px; color: #fff; }
.calc-body { padding: 30px; }

/* Layui form override */
.bearing-calc-wrapper .layui-form-item {
    margin-bottom: 18px;
    clear: both;
}
.bearing-calc-wrapper .layui-form-label {
    width: 180px;
    padding: 9px 12px 9px 0;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    background: transparent;
    border: none;
}
.bearing-calc-wrapper .layui-input-inline {
    display: inline-block;
    vertical-align: middle;
    margin-left: 0;
    width:100%;
}
.bearing-calc-wrapper .layui-input-block {
    margin-left: 180px;
    margin-top: 10px;
}
.bearing-calc-wrapper .layui-input,
.bearing-calc-wrapper .layui-form-select .layui-input {
    padding: 10px 14px;
    border: 1.5px solid #d0d7e2;
    border-radius: 8px;
    font-size: 14px;
    color: #333;
    height: auto;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.bearing-calc-wrapper .layui-input:focus,
.bearing-calc-wrapper .layui-form-select .layui-input:focus {
    border-color: #1976D2;
    box-shadow: 0 0 0 3px rgba(25,118,210,0.12);
    outline: none;
}
.bearing-calc-wrapper .layui-btn {
    height: 40px;
    line-height: 40px;
    padding: 0 36px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    transition: all 0.2s;
}
.bearing-calc-wrapper .layui-btn-normal {
    background: linear-gradient(135deg, #1976D2, #2196F3);
    color: #fff;
}
.bearing-calc-wrapper .layui-btn-normal:hover {
    background: linear-gradient(135deg, #1565C0, #1976D2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(25,118,210,0.3);
}
.bearing-calc-wrapper .layui-btn-primary {
    background: #f5f5f5;
    color: #666;
    border: 1.5px solid #ddd;
}
.bearing-calc-wrapper .layui-btn-primary:hover {
    background: #eee;
    color: #333;
}
.bearing-calc-wrapper .unit-row {
    margin-bottom: 0;
    padding-bottom: 0;
}
.bearing-calc-wrapper .unit-row .layui-form-label {
    color: #888;
    font-weight: 400;
}
.bearing-calc-wrapper .unit-text {
    line-height: 38px;
    color: #666;
    font-size: 13px;
}
.calc-result {
    margin-top: 24px;
    padding: 20px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e3f2fd 100%);
    border-radius: 10px;
    border-left: 4px solid #1976D2;
    display: none;
}
.calc-result.show { display: block; }
.calc-result h4 {
    margin: 0 0 12px;
    color: #1976D2;
    font-size: 16px;
}
.calc-result p { margin: 6px 0; font-size: 14px; color: #333; }
.calc-result strong { color: #1565C0; }
.formula-note {
    margin-top: 14px;
    padding: 10px 14px;
    background: #fff;
    border-radius: 6px;
    font-size: 12px;
    color: #888;
    border: 1px dashed #ccc;
}
/* ============================================================
   SKF Bearing Search 工具样式
   ============================================================ */
.bearing-search-wrapper {
    max-width: 900px;
    margin: 30px auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid #e8e8e8;
    overflow: visible;
}
.search-header {
    background: linear-gradient(135deg, #1565C0 0%, #1976D2 50%, #2196F3 100%);
    color: #fff;
    padding: 28px 30px;
}
.search-header h3 {
    margin: 0 0 8px;
    font-size: 22px;
    font-weight: 600;
    color: #fff;
}
.search-header p {
    margin: 0;
    opacity: 0.85;
    font-size: 14px;
    color: #fff;
}
.search-body { padding: 30px; }

/* 主搜索行 */
.search-main .layui-form-item { margin-bottom: 16px; }
.search-main .layui-form-label {
    width: 130px;
    padding: 9px 12px 9px 0;
    text-align: right;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    background: transparent;
    border: none;
}
.search-main .layui-input-inline { margin-left: 0; }
.search-main .layui-input {
    padding: 9px 14px;
    border: 1.5px solid #d0d7e2;
    border-radius: 8px;
    font-size: 14px;
    height: auto;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.search-main .layui-input:focus {
    border-color: #1976D2;
    box-shadow: 0 0 0 3px rgba(25,118,210,0.12);
    outline: none;
}
.search-main .layui-form-select .layui-input { padding-right: 30px; }
.search-main .layui-btn {
    height: 38px;
    line-height: 38px;
    padding: 0 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
}
.search-main .layui-btn-normal { background: linear-gradient(135deg, #1565C0, #1976D2); color: #fff; }
.search-main .layui-btn-normal:hover { background: linear-gradient(135deg, #0d47a1, #1565C0); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(25,118,210,0.3); }
.search-main .layui-btn-primary { background: #f5f5f5; color: #555; border: 1.5px solid #ddd; }
.search-main .layui-btn-primary:hover { background: #eee; }

/* 高级筛选 */
.search-advanced { margin-top: 10px; border-top: 1px dashed #e0e0e0; padding-top: 14px; }
.adv-toggle {
    cursor: pointer;
    font-size: 13px;
    color: #1976D2;
    font-weight: 600;
    user-select: none;
}
.adv-toggle:hover { color: #1565C0; }
.adv-fields .layui-form-item { margin-bottom: 12px; }
.adv-fields .layui-form-label {
    width: 110px;
    padding: 9px 10px 9px 0;
    text-align: right;
    font-size: 13px;
    color: #555;
}

/* 搜索结果 */
.search-result { margin-top: 24px; }
.search-tip {
    text-align: center;
    padding: 40px 20px;
    color: #888;
    font-size: 15px;
}
.search-tip.error { color: #c62828; }
.result-info {
    margin-bottom: 14px;
    font-size: 14px;
    color: #555;
}
.result-info strong { color: #1565C0; }

/* 结果表格 */
.result-table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    font-size: 13px;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    overflow: hidden;
    min-width: 600px; /* 保证小屏不压缩 */
}
.search-result {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.result-table thead { background: linear-gradient(135deg, #1565C0, #1976D2); color: #fff; }
.result-table th {
    padding: 11px 14px;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}
.result-table td {
    padding: 10px 14px;
    border-bottom: 1px solid #f0f0f0;
    color: #333;
    vertical-align: middle;
}
.result-table tbody tr:hover { background: #f8fbff; }
.result-table tbody tr:last-child td { border-bottom: none; }
.result-table td strong { color: #1565C0; font-size: 14px; }
.old-model { font-size: 11px; color: #999; }
.view-link {
    display: inline-block;
    padding: 4px 14px;
    background: linear-gradient(135deg, #1565C0, #1976D2);
    color: #fff !important;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}
.view-link:hover { background: linear-gradient(135deg, #0d47a1, #1565C0); transform: translateY(-1px); box-shadow: 0 3px 8px rgba(25,118,210,0.3); }

/* 分页 */
.search-pagination { margin-top: 20px; }
.pagination { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 4px; margin-top: 16px; }
.page-btn {
    display: inline-block;
    min-width: 36px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    padding: 0 10px;
    background: #f5f5f5;
    color: #555;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 13px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
}
.page-btn:hover { background: #e3f2fd; border-color: #1976D2; color: #1976D2; }
.page-btn.active { background: linear-gradient(135deg, #1565C0, #1976D2); color: #fff; border-color: #1565C0; font-weight: 600; }
.page-ellipsis { color: #aaa; line-height: 36px; padding: 0 6px; }

/* Why MS 营销区块 */
.tool-why-ms {
    margin-top: 40px;
    padding: 30px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 100%);
    border-radius: 12px;
    border: 1px solid #d0e8f8;
}
.tool-why-ms h4 {
    font-size: 22px;
    color: #1a3a6c;
    text-align: center;
    margin-bottom: 24px;
    font-weight: 700;
}
.why-ms-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}
.why-ms-item {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #e0e8f0;
    transition: box-shadow 0.2s;
}
.why-ms-item:hover {
    box-shadow: 0 4px 16px rgba(21, 101, 192, 0.12);
}
.why-ms-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #1565C0, #1976D2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}
.why-ms-icon em {
    color: #fff;
    font-size: 20px;
}
.why-ms-item h5 {
    font-size: 15px;
    color: #1565C0;
    margin-bottom: 8px;
    font-weight: 600;
}
.why-ms-item p {
    font-size: 13px;
    color: #555;
    line-height: 1.6;
    margin: 0;
}
.tool-cta {
    text-align: center;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    border: 1px solid #e0e8f0;
}
.tool-cta p {
    font-size: 16px;
    color: #333;
    margin: 0;
}
.tool-cta .layui-btn-normal {
    margin-left: 10px;
    background: linear-gradient(135deg, #1565C0, #1976D2);
    border: none;
    font-weight: 600;
}

@media (max-width: 640px) {
    .search-header { padding: 20px; }
    .search-body { padding: 20px; }
    .search-main .layui-form-label { width: 100%; text-align: left; padding-right: 0; }
    .search-main .layui-input-inline { width: 100%!important; }
    .result-table { font-size: 12px; }
    .result-table th, .result-table td { padding: 8px 10px; }
    .why-ms-grid { grid-template-columns: 1fr; }
}