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ul li.links a{display:block;color:#fff;line-height:1.2;font-size:var(--small-size)}.header .site-lang ul li.links:last-child{padding-left:var(--small-size);border-left:1px solid #fff}.header .site-lang ul li.links:last-child a{padding-left:.22rem;background: url(../images/earth.svg) no-repeat left center/var(--base-size)}#nav{}#nav .inner .wp-panel .navbg{position:absolute;z-index:-1;left:0;right:0;top:0;bottom:0;width:auto;height:100%;background:#fff;opacity:.7;filter:alpha(opacity=70)}.nav .wp-menu{margin:0 auto;display:flex;justify-content:space-between;gap:.42rem}.nav .wp-menu .menu-item{position:relative;text-align:center}.nav .wp-menu .menu-item.i1{background:none}.nav .wp-menu .menu-item a>.menu-switch-arrow{display:none;width:20px;height:20px;background:url(https://www.nsi.edu.cn/_upload/tpl/01/87/391/template391/images/nav_j.png) no-repeat center center;vertical-align:middle}.nav .wp-menu .sub-menu li .sub-menu{display:none}.nav .wp-menu .menu-item 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.swiper-pagination-bullet-active{background:none;width:.32rem;height:.32rem;background:url(../images/dot-active.svg) no-repeat center/cover}#banner .inner{width:100%;text-align:center;max-width:100%}.carousel-swiper__item a{position:relative;display:block;width:100%;height:100vh}.carousel-swiper__item .carousel-swiper__image,.carousel-swiper__item .carousel-swiper__video{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden}.carousel-swiper__item .carousel-swiper__video{opacity:0;visibility:hidden;pointer-events:none}.carousel-swiper__item .carousel-swiper__image img,.carousel-swiper__item .carousel-swiper__video video{width:100%;height:100%;object-fit:cover;-webkit-user-drag:none}.carousel-swiper__item:has(video[src]:not([src=""])) .carousel-swiper__video {opacity:1;visibility:visible;pointer-events:auto}.mbanner.fixBanner{position:fixed;left:0;top:0;right:0;bottom:0;background:#ccc}.fixedok 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