.fix_box{display: block;position: fixed;right: 1%;top: 0;bottom: 0;z-index: 99;width: 79px;padding: 19px 10px 10px 9px;margin:auto;height: 264px;background-image: url(../images/side.png);background-position: center;background-repeat: no-repeat;}
.fix_box li{width: 100%;height: 72px;cursor: pointer;position: relative;border-top: 1px solid #fff;display: flex;justify-content: center;flex-direction: column;}
.fix_box li:first-child{border-top: none;}
.fix_box li a{display: block;text-align: center;line-height: 1;}
.fix_box li a .img{width: 30px;height: 30px;line-height: 30px;text-align: center;font-size: 0;margin: 0 auto;}
.fix_box li a .img img{max-width: 100%;max-height: 100%;display: inline-block;vertical-align: middle;}
.fix_box li a .name{color: #fff;font-size: 12px;margin-top: 8px;}
.fix_box li .box{display: none;position: absolute;right:80px;padding:10px;padding-right: 15px; top:-10px;z-index: 999;}
.fix_box li .box .hb{min-width: 150px;border: 1px solid #ccc;background-color: #fff; padding: 10px 20px;border-top: 2px solid #286a48;border-bottom-left-radius: 4px;border-bottom-right-radius: 4px;}
.fix_box li .box .hb h5{padding: 5px 0;border-bottom: 2px solid #ccc;color: #286a48;font-size: 16px;font-weight: 400;display: block;white-space: nowrap;margin-bottom: 10px;}
.fix_box li .box .hb p{margin-top: 5px;font-size: 20px;font-weight: 700;}
.fix_box li .box .hb img{width: 100%;}
.fix_box li.back_to_top{height: 45px;border-bottom: none;line-height: 45px;text-align: center;font-size: 0;background-color: #fff;border-radius: 5px;display: block;}
.fix_box li.back_to_top img{max-width: 100%;max-height: 100%;display: inline-block;vertical-align: middle;}
.fix_box .close_btn{position: absolute;top: 9px;right: 10px;width: 30px;height: 30px;line-height: 30px;text-align: center;font-size: 0;border-radius: 50%;z-index: 9999;}
.fix_box .close_btn img{max-width: 100%;max-height: 100%;display: inline-block;vertical-align: middle;}
.show_btn{display: none;cursor: pointer;position: fixed;right: 0;top: 50%;transform: translateY(-50%);z-index: 99;border-radius: 5px;width: 40px;height: 100px;background: #256746;background: -moz-linear-gradient(45deg, #256746 0%, #4b8266 100%);background: -webkit-linear-gradient(45deg, #256746 0%,#4b8266 100%);background: linear-gradient(45deg, #256746 0%,#4b8266 100%);color: #fff;font-size: 14px;line-height: 40px;box-shadow: 0 0 5px 0 rgba(0,0,0,0.2);-webkit-writing-mode: vertical-rl;-ms-writing-mode: bt-rl;writing-mode: vertical-rl;text-align: center;}