body,
span,
p,
html {
    font-family: "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", "STSong", "SimSun", sans-serif;
    padding: 0;
    margin: 0;
}

li,
ul {
    list-style: none;
}

html {
    background-color: #fff;
}

body {
    display: block;
}

body,
input,
textarea {
    font-family: "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", "STSong", "SimSun", sans-serif;
}

a {
    text-decoration: none;
}

.itemone {
    letter-spacing: 1px;
    width: 60%;
    margin-left: auto;
    margin-right: auto;
    margin-top: 50px;
}

.nav {
    width: 100%;
    min-width: 800px;
    height: 80px;
    position: fixed;
    z-index: 100;
    font-size: 16px;
}

.navbox {
    width: 100%;
    height: 80px;
    display: block;
    position: relative;
}

.nav-cont {
    width: 86%;
    left: 50%;
    top: 0;
    position: absolute;
    transform: translateX(-50%);
    height: 80px;
    z-index: 3;
}

.active-nav .nav-r li a {
    color: #000;
}

.navbg {
    background-color: #fff;
    width: 100%;
    height: 80px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: none;
}

.nav-r {
    width: 80%;
    height: 80px;
    float: left;
}

.nav-r li {
    display: block;
    line-height: 77px;
    float: right;
}

.nav-r li a {
    display: block;
    padding: 0 30px;
    color: #fff;
}

.nav-r li a:hover {
    color: #019fe8;
    font-weight: 700;
}

.nav .logo {
    float: left;
    height: 80px;
    width: 20%;
    overflow: hidden;
}

.nav .logo a {
    display: block;
    position: relative;
}

.nav .logo img {
    width: 200px;
    margin-top: 18px;
    vertical-align: middle;
    position: absolute;
    left: 0;
}

.active-nav .logo .wb {
    opacity: 1;
}

.active-nav .logo .lb {
    opacity: 0;
}

.logo .wb {
    opacity: 0;
}

.logo .lb {
    opacity: 1;
}

.foot {
    height: 50px;
    line-height: 50px;
    font-size: 15px;
    text-align: center;
    background-color: #f5f5f5;
    color: rgba(17, 17, 17, 0.8);
    border-top: solid 1px #ddd;
}

.textcenter {
    text-align: center;
}

.textleft {
    text-align: left;
}

.textright {
    text-align: right;
}

.f34 {
    font-size: 34px;
}

.f18 {
    font-size: 18px;
    line-height: 2;
    color: rgba(17, 17, 17, 0.8);
}

.mag {
    margin: 40px auto;
}

.project {
    margin-top: 15px;
    width: 100%;
    display: block;
}

.project ul {
    width: 101%;
}

.project li {
    width: 24.5%;
    float: left;
    margin-right: 0.5%;
    margin-top: 20px;
}

.project li p {
    display: block;
    height: 30px;
    color: #999;
}

.project li a p:nth-of-type(1) {
    margin-top: 10px;
    font-size: 20px;
    line-height: 30px;
    font-weight: 700;
    color: #777;
}

.project li:hover p:nth-of-type(1) {
    color: #2ba6e1;
}

.project li a {
    display: block;
    width: 100%;
    height: 100%;
    transition: all 0.3s;
}

.picturebox {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.img {
    width: 100%;
    transition: all 0.6s;
}

.img:hover {
    transform: scale(1.1)
}

.container {
    margin-left: 7.8%;
    margin-right: 7.8%;
    overflow-x: hidden;
    min-width: 800PX;
}

.banner {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.slideshow {
    position: relative;
    z-index: 1;
    height: 100%;
    width: 100%;
    min-width: 700px;
    margin: 0 auto;
}

.slick-dotted.slick-slider {
    margin: 0;
    height: 100%;
}

.slideshow * {
    outline: none;
}

.slideshow .slider {
    box-shadow: 0 20px 50px -25px black;
}

.slideshow .slider-track {
    -webkit-transition: all 1s cubic-bezier(0.7, 0, 0.3, 1);
    transition: all 1s cubic-bezier(0.7, 0, 0.3, 1);
}

.slideshow .item {
    height: 100%;
    position: relative;
    z-index: 1;
}

.slideshow .item img {
    width: 100%;
    height: 100%;
    -webkit-transition: all 1s cubic-bezier(0.7, 0, 0.3, 1);
    transition: all 1s cubic-bezier(0.7, 0, 0.3, 1);
    -webkit-transform: scale(1.2);
    transform: scale(1.2);
}

.slideshow .item.slick-active img {
    -webkit-transform: scale(1);
    transform: scale(1);
}

.item p {
    position: absolute;
    width: 730px;
    height: 140px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -80%);
    z-index: 3;
    text-align: center;
    color: #fff;
    font-size: 40px;
    line-height: 55px;
}

.item p span {
    display: block;
    font-size: 30px;
    letter-spacing: 2.5px;
}

.slick-dots {
    bottom: 50px;
}

.slick-dots button::before {
    display: none;
}

.slick-dots button:after {
    -webkit-transition: background .4s;
    transition: background .4s;
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    border-radius: 50px;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
}

.slick-dots .slick-active button:after {
    background-color: #e60012;
}

.slick-prev {
    color: #fff;
    z-index: 4;
    background-color: rgba(0, 0, 0, 0.4);
    width: 50px;
    height: 50px;
    border-radius: 25px;
    left: 40px;
}

.slick-next {
    color: #fff;
    z-index: 4;
    background-color: rgba(0, 0, 0, 0.4);
    width: 50px;
    height: 50px;
    border-radius: 25px;
    right: 40px;
}

.slick-prev .prev {
    font-size: 40px;
    color: #fff;
}

.slick-next .next {
    font-size: 40px;
    color: #fff;
}

.slick-prev:before {
    content: '<';
}

.slick-next:before,
[dir=rtl] .slick-prev:before {
    content: '>';
}

.slick-next:focus,
.slick-next:hover,
.slick-prev:focus,
.slick-prev:hover {
    background: rgba(0, 0, 0, 1);
    outline: 0;
}

@media (max-width: 1660px) {
    .itemone {
        width: 70%;
    }
}

@media (max-width: 1440px) {
    .itemone {
        width: 76%;
    }
}

@media (max-width: 1024px) {
    .itemone {
        width: 80%;
    }
}

@media (max-width: 640px) {
    .itemone {
        width: 90%;
    }
}