* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background: #fff;
            color: #333;
            line-height: 1.6;
            padding: 0px;
            min-height: 100vh;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        header {
            background: linear-gradient(90deg, #1a3a6c 0%, #2c5282 100%);
            color: white;
            padding: 30px;
            border-radius: 12px 12px 0 0;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }
        
        header::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
            transform: rotate(30deg);
        }
        
        .header-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        
        h1 {
            font-size: 2.8rem;
            margin-bottom: 10px;
            font-weight: 700;
            letter-spacing: 1px;
        }
        
        .product-code {
            font-size: 1.8rem;
            background: rgba(255, 255, 255, 0.15);
            display: inline-block;
            padding: 8px 20px;
            border-radius: 50px;
            margin: 15px 0;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .product-description {
            max-width: 1100px;
            margin: 20px auto;
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 25px;
            margin-bottom: 40px;
        }
        
        .card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
        }
        
        .card-title {
            color: #2c5282;
            font-size: 1.5rem;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid #e3eef9;
            display: flex;
            align-items: center;
        }
        
        .card-title::before {
            content: "■";
            color: #2c5282;
            margin-right: 10px;
            font-size: 1.2em;
        }
        
        .dimension-diagram {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .diagram-container {
            position: relative;
            width: 280px;
            height: 280px;
            margin: 20px auto;
        }
        
        .capacitor-body {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 180px;
            height: 180px;
            background: linear-gradient(135deg, #e0e0e0 0%, #f5f5f5 100%);
            border-radius: 50%;
            border: 2px solid #b0b0b0;
        }
        
        .capacitor-top {
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 60px;
            background: linear-gradient(to bottom, #d1b296 0%, #b8987a 100%);
            border-radius: 8px;
            border: 2px solid #a08060;
        }
        
        .bolt-hole {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 15px;
            height: 15px;
            background: #808080;
            border-radius: 50%;
            border: 2px solid #606060;
        }
        
        .dimension-line {
            position: absolute;
            background: #2c5282;
        }
        
        .dimension-line.horizontal {
            width: 200px;
            height: 2px;
            top: 30px;
            left: 40px;
        }
        
        .dimension-line.vertical {
            width: 2px;
            height: 200px;
            top: 40px;
            left: 30px;
        }
        
        .dimension-label {
            position: absolute;
            color: #2c5282;
            font-weight: bold;
            background: rgba(255, 255, 255, 0.8);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
        }
        
        .dimension-label.d {
            top: 10px;
            left: 140px;
        }
        
        .dimension-label.h {
            top: 140px;
            left: 10px;
        }
        
        .dimension-text {
            text-align: center;
            margin-top: 20px;
            font-size: 1.1rem;
        }
        
        .dimension-text p {
            margin: 8px 0;
            display: flex;
            justify-content: center;
        }
        
        .dimension-text strong {
            display: inline-block;
            width: 150px;
            text-align: left;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 15px;
        }
        
        th, td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        
        th {
            background-color: #f0f7ff;
            color: #2c5282;
            font-weight: 600;
        }
        
        tr:nth-child(even) {
            background-color: #f8fafc;
        }
        
        tr:hover {
            background-color: #edf2f7;
        }
        
        .spec-highlight {
            background-color: #ebf8ff;
            color: #2b6cb0;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 4px;
        }
        
        .notes {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            margin-top: 25px;
        }
        
        .notes h3 {
            color: #2c5282;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        
        .notes-list {
            padding-left: 25px;
        }
        
        .notes-list li {
            margin-bottom: 12px;
            position: relative;
        }
        
        .notes-list li::before {
            content: "•";
            color: #2c5282;
            font-weight: bold;
            display: inline-block;
            width: 1em;
            margin-left: -1em;
        }
        
        .footer {
            text-align: center;
            margin-top: 40px;
            padding: 25px;
            color: #718096;
            font-size: 0.9rem;
            border-top: 1px solid #e2e8f0;
        }
        
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            
            h1 {
                font-size: 2.2rem;
            }
            
            .product-code {
                font-size: 1.4rem;
            }
        }
        
        @media (max-width: 480px) {
            header {
                padding: 20px 15px;
            }
            
            h1 {
                font-size: 1.8rem;
            }
            
            .card {
                padding: 20px;
            }
            
            .diagram-container {
                width: 220px;
                height: 220px;
            }
        }
        
        /* 自定义图标 */
        .icon {
            display: inline-block;
            width: 24px;
            height: 24px;
            margin-right: 10px;
            vertical-align: middle;
        }
        
        .icon-dimension {
            background: 
                linear-gradient(#2c5282, #2c5282) center/100% 2px no-repeat,
                linear-gradient(#2c5282, #2c5282) center/2px 100% no-repeat;
        }
        
        .icon-electrical {
            background: 
                linear-gradient(45deg, transparent 45%, #2c5282 45%, #2c5282 55%, transparent 55%),
                linear-gradient(-45deg, transparent 45%, #2c5282 45%, #2c5282 55%, transparent 55%),
                radial-gradient(circle, #2c5282 30%, transparent 30%);
        }
        
        .icon-note {
            background: 
                linear-gradient(#2c5282, #2c5282) 20% 20%/80% 2px no-repeat,
                linear-gradient(#2c5282, #2c5282) 20% 40%/80% 2px no-repeat,
                linear-gradient(#2c5282, #2c5282) 20% 60%/80% 2px no-repeat;
        }