*{
    box-sizing: border-box;
}
:root{
    --nav-btn-color: #ffffff;
}
p{
    margin-block-start: 0;
    margin-block-end: 0;
}
a{
    color: unset;
    text-decoration: unset;
}
body{
    width: 100%;
    height: auto;
    margin: 0;
    /*overflow: hidden;*/
}
.header{
    width: 100%;
    height: 80px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0) 100%);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    position: absolute;
    top: 0;
    z-index: 2;
    padding: 0 40px;
}
.header .logo{
    width: 350px;
    height: auto;
}
.header .logo img{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.header .logo img:nth-child(2){
    display: none;
}
.nav-btn{
    width: 22px;
    height: 3px;
    background-color: var(--nav-btn-color);
    transition: all 0.5s;
    display: none;
    border-radius: 4px;
}
.nav-btn:before{
    content: "";
    display: block;
    width: 22px;
    height: 3px;
    background-color: var(--nav-btn-color);
    position: relative;
    top: 8px;
    transition: all 0.5s;
    border-radius: 4px;
}
.nav-btn:after{
    content: "";
    display: block;
    width: 22px;
    height: 3px;
    background-color: var(--nav-btn-color);
    position: relative;
    top: -11px;
    transition: all 0.5s;
    border-radius: 4px;
}
.nav-btn.active{
    height: 6px;
    display: flex;
    flex-direction: column;
    background-color: rgba(56, 111, 112, 0);
}
.nav-btn.active + .menu-list{
    left: 0;
    opacity: 1.00;
}
.nav-btn.active:before{
    top: 0;
    transform: rotate(45deg);
}
.nav-btn.active:after{
    top: -2px;
    transform: rotate(-45deg);
}
.menu-list{
    display: flex;
    align-items: center;
}
.menu-item{
    width: 120px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: rgba(255, 255, 255, 1);
    font-size: 16px;
    position: relative;
    cursor: pointer;
    transition: all 0.5s;
}
.menu-item:hover{
    background-color: rgba(0, 0, 0, 0.3);
}
.menu-child{
    width: 110px;
    display: block;
    position: absolute;
    top: 80px;
    background-color: #ffffff;
    border-radius: 0 0 4px 4px;
    padding: 10px 0;
    transform: rotateX(90deg) rotateY(320deg) rotateZ(20deg) translateX(5px);
    transition: all 0.5s;
}
.menu-item:hover .menu-child{
    transform: translateX(0);
}
.menu-child-item{
    color: #000000;
    text-align: center;
    line-height: 30px;
    font-size: 14px;
}
.menu-child-item:hover  a{
    color: rgba(20, 118, 222, 1);
}
.menu-child:before{
    content: "";
    display: block;
    width: 100%;
    height: 3px;
    background-color: rgba(20, 118, 222, 1);
    position: absolute;
    top: 0;
}
.search-btn{
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: rgba(235, 235, 235, 0.2);
    border-radius: 50%;
}

.container{
    width: 1440px;
    margin: auto;
}
.banner{
    width: 100%;
    height: 650px;
    background-image: url("../img/header/banner-bg.jpg");
    background-position: 0 -100px;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
}
.banner-title{
    color: rgba(255, 255, 255, 1);
    text-shadow: 0 2px 4px  rgba(0, 0, 0, 0.25);
    font-size: 48px;
    font-weight: bold;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 100px;
}
.banner-title:after{
    content: "";
    display: block;
    width: 64px;
    height: 3px;
    background: rgba(255, 255, 255, 1);
    margin-top: 30px;
}

.channel-content{
    width: 100%;
    height: auto;
    background: rgba(225, 239, 251, 1);
}
.channel-content .container{
    transform: translateY(-200px);
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 1px 1px 10px rgba(0,0,0,0.1);
}
.page-position{
    display: flex;
    align-items: center;
    padding-left: 32px;
}
.page-position a{
    color: rgba(20, 118, 222, 1);
}
.page-position a:last-child {
    color: rgba(51, 51, 51, 0.4);
}
.news-top{
    width: 100%;
    height: 100px;
    background: rgba(224, 236, 248, 1);
    display: flex;
    justify-content: space-between;
}
.news-top .tab-list{
    display: flex;
}
.news-top .tab-item{
    width: 200px;
    height: 100px;
    border-bottom: 0 solid rgba(20, 118, 222, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.news-top .tab-item.active{
    border-bottom: 5px solid rgba(20, 118, 222, 1);
}
.scroll-top{
    width: 60px;
    height: 60px;
    background-color: #007aff;
    border-radius: 50%;
    position: fixed;
    right: -4%;
    bottom: 10%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 1px 1px 6px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.5s;
    opacity: 0.00;
}
.scroll-top.show{
    right: 4%;
    opacity: 1.00;
}
.scroll-top img{
    width: 50%;
    height: 50%;
    transform: rotate(180deg);
    object-position: center;
    object-fit: scale-down;
}


@media (max-width: 1440px) and (min-width: 1200px) {
    .header{
        padding: 0 20px;
    }
    .menu-item{
        width: 90px;
        font-size: 15px;
    }
    .container{
        width: 1200px;
    }
}

@media (max-width: 1200px) {
    body{
        overflow-x: hidden;
    }
    .container{
        width: 100%;
        padding: 0 10px;
    }
    .header{
        height: 60px;
        /*overflow: hidden;*/
        padding: 0 10px;
        background: rgba(20, 118, 222, 1);
    }
    .nav-btn{
        display: block;
        position: relative;
        top: 28px;
        z-index: 10;
    }
    .banner{
        height: 200px;
        background-position: 0;
        margin-top: 60px;
    }
    .menu-list{
        width: 100vw;
        height: calc(100vh - 60px);
        background-color: rgb(250, 250, 250);
        position: fixed;
        left: 100vw;
        top: 60px;
        z-index: 9;
        opacity: 0.30;
        transition: all 0.5s;
    }
    .header .logo{
        width: 200px;
        position: relative;
        z-index: 10;
    }
    .header .menu-list{
        padding-top: 20px;
    }
    .menu-list {
        display: flex;
        flex-direction: column;
        align-items: unset;
    }
    .menu-item{
        width: 100%;
        height: auto;
    }
    .menu-item:hover{
        background-color: unset;
    }
    .menu-item a{
        width: 100%;
        height: 45px;
        color: #000000;
        font-size: 16px !important;
        padding: 0 16px;
        display: flex;
        align-items: center;
    }
    .menu-item>a{
        border-bottom: 1px solid rgba(0,0,0,0.1);
    }
    .menu-child{
        position: relative;
        top: 0;
        width: 100%;
        height: 0;
        overflow: hidden;
        padding: 0;
        transition: all 0.5s;
        transform: none !important;
    }
    .menu-child-item{
        width: 100%;
        height: 30px;
        /*background-color: #007aff;*/
        text-align: left;
    }
    .menu-child:before{
        height: 2px;
    }
    .menu-item>a{
        font-size: 16px;
        color: rgba(20, 118, 222, 1);
        justify-content: space-between;
    }
    .menu-item>a:after{
        content: "";
        display: block;
        width: 18px;
        height: 18px;
        background-image: url("../img/header/angle-down.svg");
        background-size: 100% 100%;
        transform: rotate(-90deg);
        transition: all 0.5s;
    }
    .menu-item.active>a:after{
        transform: rotate(0deg);
    }
    .menu-item.active> .menu-child{
        /*height: auto;*/
    }
    .channel-content .container{
        transform: translateY(0);
    }
    .banner-title{
        margin-bottom: 0;
        font-size: 36px;
    }
    .news-top{
        width: 100vw;
        height: 70px;
        transform: translateX(-10px);
    }
    .news-top .tab-list{
        display: none;
    }
    .page-position{
        padding-left: 16px;
    }
    .search-btn{
        background: rgb(171 171 171);
        margin: auto;
    }
    .menu-child-item{
        height: 45px;
    }
    .menu-child-item a{
        font-size: 14px !important;
    }
    .footer-logo{
        max-width: 100%;
    }

    .scroll-top{
        width: 50px;
        height: 50px;
    }
}