.content{width: 1500px;margin: 0 auto;margin-top: 100px;min-height: 640px;position: relative}.content_nav{width: 300px;height: 350px;background-color: #3BA3D0;position: absolute;right: 90px;top: 73px;border-radius: 15px;color: #fff}.first_nav{height: 50px;text-align: center;line-height: 50px}.second_nav li{height: 50px;color: #000;line-height: 50px}.second_nav img{width: 30px;height: 30px;margin-top: 8px}.left{position: relative;width: 1000px;height: 100%;margin-left: 50px;padding-left: 20px}.located{height: 30px;width: 1000px;background-color: #B7E2F3;border: 1px solid #3BA3D0;margin-top: -30px;padding-left: 20px;border-radius: 30px;color: #fff}.located li{line-height: 32px;color: #fff}.left a,.left li{color: #000}.text{height: 90%;margin: 0 auto;margin-top: 30px;padding: 20px;border: 1px dotted #3BA3D0;text-align: center;padding-left: 30px}.text h1{height: 50px}.text .title{width: 100%}.title span{margin: 5px 10px}.list img{height: 30px;width: 30px;margin-top: 8px;margin-right: 10px}.list{height: 560px;padding-top: 30px;padding-left: 20px;margin-top: 40px;border: 1px dotted #3BA3D0}.list ul{height: calc(100% - 70px)}.list li{width: 100%;height: 50px;line-height: 50px}.time{float: right;width: 100px;line-height: 50px}.page{width: 100%;height: 50px;padding-left: 20px}.page li{width: 100px;background-color: #3BA3D0;border-radius: 15px;line-height: 50px;text-align: center}.befor{float: left;margin-left: 200px;width: 100px;height: 50px}.after{float: right;margin-right: 100px;width: 100px;height: 50px}