.snd_banner>img{width: 100%;height: 680px;object-fit: cover;}

.ctd_nav{border-bottom: 1px solid #ccc;}
.ctd_nav_c{width: 1200px;margin: 0 auto;height: 60px;display: flex;align-items: center;}
.ctd_nav_c>a{color: #333;}
.ctd_nav_c>span{margin: 0 10px;}

.snd_main{padding: 40px 0;}
.snd_title{text-align: center;margin-top: 30px;}
.snd_title>h1{font-size:30px;color: #333;}
.snd_title>span{display: inline-block;width: 20px;height: 6px;background-color: var(--base);}
.snd_main_c{width: 1200px;margin: 0 auto;background-color: #fff;padding: 0 0 50px;}
.snd_main_c>h2{line-height: 30px;color: #787878;text-align: center;font-size: 14px;margin: 18px 0 40px;}

@media screen and (max-width: 766px) {
    .snd_banner>img{height: 80vw;object-fit: cover;}

    .ctd_nav{overflow-x: auto;}
    .ctd_nav::-webkit-scrollbar{ display:none;}
    .ctd_nav_c{width: 190vw;justify-content: flex-start;padding: 0 15px;}
    .ctd_nav_c>a{font-size: 1.4rem;padding: 19px 0;}

    .snd_title{padding: 0;}
    .snd_title>h1{font-size: 2.6rem;}
    .snd_title>p{font-size: 1.4rem;}
}