body {margin: 0;min-width: 1200px;}.main-header{padding: 10px 60px;line-height: 50px;background-color: white;}.main-header a{color: black;}.main-header-menu{font-size: 16px;font-weight: bold;}.main-header-login{font-size: 13px;font-weight: bold;text-align: center;padding: 0px 20px;}.main-bg1{background-color: black;}.main-bg2{background: url('../main/idea_logo_back1_2-cdce89189fa721e730f24cbfe32aa84f.jpg') no-repeat top center;height: 366px;}.main-footer{background-color: rgb(48,47,52);padding: 32px 50px 45px 50px;font-size: 12px;color: #cccccc;line-height: 14px;letter-spacing: 0.6px;}.main-footer a{color: inherit;}.main-footer:after {display: block;content: '';clear: both;}.main-footer-copyright{float: left;}.main-footer-familysite{float: right;}.main-title1{line-height: 20px;font-size: 20px;margin-bottom: 20px;font-weight: bold;}.main-icon4{width: 31px;height: 31px;}.w-10{display: inline-block;width: 10px;}.w-20{display: inline-block;width: 20px;}.w-30{display: inline-block;width: 30px;}.w-40{display: inline-block;width: 40px;}.w-50{display: inline-block;width: 50px;}.w-100{display: inline-block;width: 100px;}.w-150{display: inline-block;width: 150px;}.d-inline{display: inline-block;}.h-divider{display: inline-block;color: #dddddd;}.shadow-default{-webkit-box-shadow:0 0 10px rgba(0, 0, 0, 0.3);-moz-box-shadow:0 0 10px rgba(0, 0, 0, 0.3);box-shadow:0 0 10px rgba(0, 0, 0, 0.3);}