.f-1{height: 200px;background: url(../img/sz_6_21.png) no-repeat center;background-size: auto 100%;position: relative;z-index: 5;}
.f-3{width: 1200px;margin: 0 auto;border-top: 2px solid #f4f4f4;border-bottom: 2px solid #f4f4f4;margin-top: 30px;padding: 50px 0;}
.f-3 li{margin-bottom: 50px;}
.f-3 li:last-child{margin-bottom: 0;}
.f-3 li a{display: block;padding: 0 22px;font-size: 0;}
.f-3 li a:hover .f-4{transform: scale(1.2);transition: 0.5s;}
.f1-4{display: inline-block;vertical-align: middle;width: 300px;height: 270px;overflow: hidden;margin-right: 45px;}
.f-4{width: 300px;height: 270px;}
.f-5{display: inline-block;width: 810px;vertical-align: middle;}
.f-6{font-size: 24px;font-weight: bold;margin-bottom: 15px;}
.f-7{margin-bottom: 15px;}
.f-8{margin-right: 13px;}
.f-9{color: #676767;}
.f-10{color: #676767;line-height: 30px;font-size: 16px;}
.f-11{font-size: 0;}
.f-12{display: inline-block;vertical-align: middle;width: 680px;border-bottom: 1px dashed #626262;}
.f-13{display: inline-block;vertical-align: middle;width: 115px;line-height: 32px;background-color: #fda74b;text-align: center;font-size: 16px;color: white;border-radius: 30px;margin-left: 15px;}