* {
    padding: 0;
    margin: 0;
}
html {
    height: 100%;
}
body {
    min-height: 100%;
    font-size: 14px;
    font-family: -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    background-color: #fff;
}
.header {
    position: fixed;
    height: 136px;
    width: 100%;
    color: white;
    z-index: 99;
}
.header .site-header {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
}
.header .gwi {
    margin-top: 55px;
    margin-left: 30px;
    font-size: 30px;
    font-weight: bold;
    /*text-transform: uppercase;*/
}
.header .nav {
    display: block;
    position: absolute;
    right: 30px;
    top: 0;
    font-size: 12px;
}
.header .nav li {
    display: inline-block;
    list-style: none;
    margin-left: 14px;
    padding-bottom: 10px;
    font-size: 16px;
    cursor: pointer;
}
.header .menu {
    position: absolute;
    right: 80px;
    top: 0px;
    width: 20px;
    height: 12px;
    border: 6px solid transparent;
    border-width: 8px 6px;
    border-radius: 5px;
    background: url('./img/menu.png') center center no-repeat;
    background-size: contain;
    background-color: transparent;
    cursor: pointer;
    -moz-user-select: none;
}
.header .nav .active {
    border-bottom: 4px solid white;
}
.swiper-container {
    width: 100%;
    height: 100vh;
}
.swiper-container .content {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    text-align: center;
}
.swiper-container h1 {
    color: #88f2e6;
    font-size: 8vw;
}
.swiper-container p {
    margin-bottom: 1em;
    color: white;
    font-size: 1.8vw;
    font-weight: 200;
    line-height: 1.5;
    opacity: 0.7;
}
.swiper-container .content {
    max-width: 80%;
}
.swiper-slide {
    overflow: hidden;
}
.arrow {
    position: absolute;
    bottom: 20px;
    left: 50%;
    width: 44px;
    height: 44px;
    background: url('./img/arrow.png') center center;
    background-size: contain;
    cursor: pointer;
    transform: translateX(-50%);
}
.slider1 {
    background-color: #212a38;
    background-image: url('./img/bg1.jpg');
    background-size: cover;
    color: white;
}
.slider1 .arrow {
    background: url('./img/arrow0.png') center center;
    background-size: contain;
}
.slider1 h1 {
    font-size: 5.5vw;
    margin-bottom: 50px;
}
.slider2 {
    background-color: #fff;
}
.slider2 h1 {
    margin-bottom: 50px;
    font-size: 2.4vw;
    color: black;
}
.slider2 p {
    color: black;
}
.slider2 .ele-group {
    width: 100%;
}
.slider2 .elegU, .slider2 .elegD {
    position: relative;
    display: inline-block;
    width: 100%;
    height: 6.5vw;
    margin-bottom: 2vw;
}
.slider2 .ele {
    position: absolute;
    display: table;
    box-sizing: border-box;
    width: 49%;
    height: 6.5vw;
    padding: 0 3vw;
    background-color: #f3fcfb;
    border: 1px solid #ebfaf8;
    border-radius: 10px;
    overflow: hidden;
}
.slider2 .eleL {
    left: 0;
}
.slider2 .eleR {
    right: 0;
}
.slider2 .avatar {
    display: table-cell;
    vertical-align: middle;
    width: 5vw;
    height: 5vw;
    margin: 0 auto;
}
.slider2 .avatar1 {
    background: url("./img/ele2.png") center center no-repeat;
    background-size: contain;
}
.slider2 .avatar2 {
    background: url("./img/ele4.png") center center no-repeat;
    background-size: contain;
}
.slider2 .avatar3 {
    background: url("./img/ele1.png") center center no-repeat;
    background-size: contain;
}
.slider2 .avatar4 {
    height: 3.5vw;
    background: url("./img/ele3.png") center center no-repeat;
    background-size: contain;
}
.slider2 .ele p {
    display: table-cell;
    position: relative;
    vertical-align: middle;
    width: 25vw;
    left: 2vw;
    font-size: 1.2vw;
    line-height: 20px;
    text-align: left;
}
.slider3 {
    background-color: #c1eee9;
    background-image: url('./img/bg2.jpg');
    background-position: center center;
    background-size: cover;
    color: black;
}
.slider3 h1 {
    margin-bottom: 50px;
    font-size: 5.5vw;
    color: black;
}
.slider3 p {
    color: black;
}
.slider4 {
    background-color: #1E232A;
}
.slider4 .content4 {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -45%);
    -moz-transform: translate(-50%, -45%);
    transform: translate(-50%, -45%);
    text-align: center;
}
.slider4 h1 {
    margin-bottom: 50px;
    font-size: 5vw;
}
.slider4 a {
    color: white;
    font-weight: bold;
    text-decoration: none;
}
.slider4 .bg4 {
    margin-top: 10vh;
    width: 100vw;
    height: 37.5vh;
    background-image: url('./img/bg4.jpg');
    background-size: cover;
}
.slider4 footer {
    margin-top: 5vh;
    color: white;
    opacity: 0.4;
    font-size: 15px;
}
@media(min-width: 1280px) {
    .header .nav {
        display: block;
    }
    .header .menu {
        display: none;
    }
}
@media (max-width:1279px) {
    .header .menu {
        display: block;
    }
    .header .nav {
        display: none;
    }
    .header .nav {
        position: absolute;
        right: 80px;
        top: 30px;
        width: 200px;
        list-style: none;
    }
    .header .nav li {
        position: relative;
        width: 100%;
        margin-left: 0;
        padding-bottom: 0;
        background-color: #1b1f26;
        border-bottom: 0;
        text-align: center;
        color: #88f2e6;
        line-height: 40px;
    }
    .header .nav li.active {
        border-bottom-width: 0;
        background-color: #2d3443;
    }
    .header .nav li:hover {
        background: #2d3443;
    }
    .header .nav .first {
        border-radius: 8px 8px 0 0;
    }
    .header .nav .last {
        border-radius: 0 0 8px 8px;
        border-bottom: none;
    }
}
@media(max-width:736px) {
    .header .gwi {
        margin-top: 40px;
        margin-left: 30px;
        font-size: 18px;
    }
    .header .menu {
        display: block;
        position: absolute;
        top: -5px;
        right: 30px;
    }
    .header .nav {
        display: none;
        right: 30px;
    }
    .swiper-container h1, .slider2 h1 {
        font-size: 40px;
    }
    .swiper-container p {
        font-size: 10px;
        line-height: 20px;
    }
    .slider3 .ele p {
        font-size: 10px;
        line-height: 12px;
        text-align: left;
        overflow: hidden;
    }
}
@media all and (orientation: portrait) and (max-width:736px) {
    .slider3 .ele-group {
        width: 82vw;
        height: 86vw;
        margin-top: 2vw;
    }
    .slider3 .elegU, .slider3 .elegD {
        position: relative;
        display: inline-block;
        width: 100%;
        height: 42vw;
    }
    .slider3 .ele {
        position: relative;
        display: table;
        box-sizing: border-box;
        width: 82vw;
        height: 20vw;
        padding: 0 3vw;
        background-color: #f3fcfb;
        border: 1px solid #ebfaf8;
        border-radius: 10px;
    }
    .slider3 .eleL {
        left: 0;
        margin-bottom: 2vw;
    }
    .slider3 .eleR {
        right: 0;
    }
    .slider3 .avatar {
        width: 30px;
        height: 15px;
    }
    .slider3 .ele p {
        font-size: 10px;
        line-height: 12px;
        text-align: left;
        overflow: hidden;
        width: auto;
    }
}
@media all and (orientation: landscape) and (max-width:568px) {
    .header .gwi {
        margin-top: 20px;
    }
}