body { font-family: Arial, Helvetica, sans-serif; } 

.footer .nav { width: 55%; }
.footer .nav ul { max-width: 15%; }
.footer .nav ul li { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.footer .left { width: 360px; }


.index_advantage .service li { width: 25%; }

@media screen and (max-width:767px) {
    .index_advantage .service li { width: 50%; }   
    
    .routes .flex { display: block; } 

}


.section_form{width: 700px;margin: 20px auto;background-color: #f2f2f2;padding: 30px 30px;border-radius: 10px;font-size: 1.4em;}
#popup_form{width: 300px;padding: 20px;display: none;}
.fixed_online{width: 150px;position: fixed;right: 0;top: calc(40% - 150px);z-index: 99999;background-color: #1ab5c9;border: 1px solid #ccc;border-radius: 10px 0 0 10px;overflow: hidden;}
.fixed_online .close{cursor: pointer;font-size: 14px;width: 20px;height: 20px;background-color: #000;color: #fff;text-align: center;position: absolute;top: 0;right: 0;}
.fixed_online ul li a{display: flex;align-items: center;padding: 15px 10px;color: #fff;border-bottom: 1px solid rgba(255, 255, 255, .5);font-size: 1.2em;}
.fixed_online ul li:last-child a{border-bottom: 0;}
.fixed_online ul li img{height: 25px;margin-right: 5px;}
.fixed_btm_form{width: 300px;position: fixed;right: 0;bottom: 0;z-index: 99999;background-color: #1ab5c9;padding: 10px 20px;}
.fixed_btm_form .top_bar{cursor: pointer;color: #fff;font-size: 1.4em;font-weight: bold;}
.fixed_btm_form .top_bar:hover i{color: var(--primary-color);}
.fixed_btm_form.slide .top_bar i{transform: rotate(180deg);}
.fixed_btm_form form{display: none;}

@media screen and (max-width: 768px){
    .fixed_online{width: auto;}
    .fixed_online ul li a{padding: 10px 5px;}
    .fixed_online .pic,
    .fixed_online ul li span{display: none;}
    .fixed_online ul li img{height: 15px;margin-right: 0;}
    .section_form{width: 100%;padding: 20px 20px 30px;}
    .fixed_online .close{position: static;width: 25px;height: 25px;line-height: 25px;background-color: #1ab5c9;border-top: 1px solid rgba(255, 255, 255, .5);}
}