TEC Controllers and High Voltage Power Supplies: The Backbone of Precision Electronics body font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; margin: 0; padding: 0; background-color: #f5f6fa; color: #333; line-height: 1.7; header background-color: #2c3e50; color: white; padding: 40px 20px;