body::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                url("/static/index/picture/Biopharmaceuticals.jpeg");
            opacity: 0.4;
            z-index: -1;
            background-size: cover;  /* 新增属性 */
            background-repeat: no-repeat;  /* 新增属性 */
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 16px;
            box-shadow: 0 12px 35px rgba(0, 105, 148, 0.12);
            overflow: hidden;
            padding: 40px;
            border: 1px solid #d1e9ff;
            position: relative;
        }
        
        .container::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, #0066cc, #00aaff, #0066cc);
            background-size: 200% 200%;
            animation: gradient 3s ease infinite;
        }
        
        .header {
            text-align: center;
            margin-bottom: 50px;
            padding-bottom: 30px;
            border-bottom: 2px solid #e6f7ff;
            position: relative;
        }
        
        .header h1 {
            color: #0066cc;
            font-size: 2.8rem;
            margin-bottom: 15px;
            font-weight: 700;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
        }
        
        .header .company-name {
            color: #0088ff;
            font-size: 1.4rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-top: 10px;
        }
        
        .process-container {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 50px;
            justify-content: center;
        }
        
        .process-card {
            flex: 1;
            min-width: 320px;
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 102, 204, 0.1);
            transition: all 0.4s ease;
            border: 1px solid #e0f0ff;
            position: relative;
        }
        
        .process-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 102, 204, 0.2);
        }
        
        .card-header {
            padding: 25px 20px;
            color: white;
            font-weight: 700;
            font-size: 1.6rem;
            text-align: center;
            position: relative;
        }
        
        .card-header::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 2px;
        }
        
        .material .card-header {
            background: linear-gradient(135deg, #0066cc, #0088ff);
        }
        
        .production .card-header {
            background: linear-gradient(135deg, #0099cc, #00bbff);
        }
        
        .product1 .card-header {
            background: linear-gradient(135deg, #00aaff, #33ccff);
        }
        
        .stage-temp {
            display: block;
            margin-top: 10px;
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-shadow: 0 2px 3px rgba(0,0,0,0.2);
        }
        
        .card-content {
            padding: 30px;
        }
        
        .temp-item {
            margin-bottom: 30px;
            padding-bottom: 30px;
            border-bottom: 1px dashed #e0f0ff;
            position: relative;
        }
        
        .temp-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .temp-title {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .temp-icon {
            width: 40px;
            height: 40px;
            background: #e6f7ff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: #0088ff;
            font-size: 1.4rem;
        }
        
        .temp-name {
            font-weight: 600;
            color: #0066cc;
            font-size: 1.2rem;
        }
        
        .temp-value {
            font-weight: 700;
            color: #0088ff;
            font-size: 2.2rem;
            margin: 15px 0;
            text-align: center;
            letter-spacing: -1px;
            position: relative;
            display: block;
        }
        
        .temp-value::before {
            content: "❄️";
            margin-right: 10px;
            font-size: 1.8rem;
        }
        
        .temp-standards {
            color: #555;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        .temp-standards strong {
            color: #0066cc;
            font-weight: 600;
        }
        
        .temp-visualization {
            background: #f7fbff;
            border-radius: 16px;
            padding: 35px 40px;
            border: 1px solid #c2e6ff;
            box-shadow: 0 5px 20px rgba(0, 102, 204, 0.08);
        }
        
        .visual-title {
            text-align: center;
            color: #0066cc;
            font-weight: 700;
            font-size: 1.6rem;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .visual-title svg {
            margin-right: 12px;
        }
        .conn h2{
            text-align: center;
            color: #0066cc;
            font-weight: 700;
            font-size: 1.6rem;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: 35px;
        }
        .temp-scale-container {
            position: relative;
            height: 80px;
            margin: 20px 0 40px;
        }
        
        .temp-scale {
            height: 30px;
            background: linear-gradient(90deg, #0066cc, #00aaff, #66ccff, #b3e6ff);
            border-radius: 15px;
            position: relative;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        .temp-markers {
            display: flex;
            justify-content: space-between;
            position: absolute;
            top: 40px;
            width: 100%;
        }
        
        .temp-marker {
            text-align: center;
            font-weight: 700;
            color: #0066cc;
            font-size: 1.1rem;
            position: relative;
            min-width: 60px;
        }
        
        .temp-marker::before {
            content: "";
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 2px;
            height: 15px;
            background: #0066cc;
        }
        
        .temp-labels {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            color: #0088ff;
            font-weight: 700;
            font-size: 1.1rem;
            border-top: 2px dashed #c2e6ff;
            margin-top: 10px;
        }
        
        .temp-labels span {
            background: #e6f7ff;
            padding: 5px 15px;
            border-radius: 20px;
        }
        
        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        @media (max-width: 900px) {
            .process-container {
                flex-direction: column;
            }
            
            .process-card {
                min-width: 100%;
            }
            
            .header h1 {
                font-size: 2.2rem;
            }
        }
        
        @media (max-width: 600px) {
            .container {
                padding: 30px 20px;
            }
            
            .header h1 {
                font-size: 1.8rem;
            }
            
            .card-content {
                padding: 25px 20px;
            }
            
            .temp-visualization {
                padding: 25px 20px;
            }
            
            .temp-value {
                font-size: 1.8rem;
            }
            
            .stage-temp {
                font-size: 1.5rem;
            }
        }