@charset "utf-8";

/* General Css */

* {
    margin: 0;
    padding: 0;
}

body {
    background: #fff;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body,
div,
a,
textarea,
input,
p,
table,
button,
select {
    font-family: 'PingFangSC', 'helvetica neue', 'hiragino sans gb', 'arial', 'microsoft yahei ui', 'microsoft yahei', 'simsun', 'sans-serif';
    font-size: 14px;
}

body,
form,
div,
h1,
h2,
h3,
hr,
p,
dl,
dt,
dd,
ul,
ol,
li,
button,
input,
textarea,
th,
td,
img,
table {
    margin: 0;
    padding: 0;
}

ul,
ol,
li {
    list-style-type: none;
}

a,
a:hover,
a:link {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

img {
    border: none;
}

.clear-fix {
    clear: both;
    /* ftitle-div */
}


/* header */

.header-div {
    width: 100%;
    height: auto;
    overflow: hidden;
}

#demo-canvas {
    width: 100%;
    height: 100%;
    background: transparent;
    position: absolute;
    z-index: 10;
    left: 0px;
    top: 0px;
    overflow: hidden;
}

.bt-box {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    position: fixed;
    /* background-color: rgba(0, 0, 0, 0.8); */
    top: 0;
    left: 0;
    z-index: 100;
}

.bt-box .yy-logo {
    width: 69px;
    height: 27px;
    background: url(https://img.alicdn.com/imgextra/i4/2791424107/O1CN01HXvbJG1gD3PUp9VUO_!!2791424107.png) no-repeat;
    background-size: 69px 27px;
    margin-left: 30px;
    /* overflow: hidden; */
}

.bt-box .bt-text {
    font-size: 18px;
    color: #fff;
    display: block;
    margin-left: 50px;
}

.bt-box .yy-logo {
    width: 69px;
    height: 27px;
    background: url(https://img.alicdn.com/imgextra/i4/2791424107/O1CN01HXvbJG1gD3PUp9VUO_!!2791424107.png) no-repeat;
    background-size: 69px 27px;
    margin-left: 20px;
}

.header-div .banner {
    text-align: center;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.banner img {
    width: 2560px;
    height: 800px;
}

.title-div {
    width: 1200px;
    height: 800px;
    overflow: hidden;
    margin: -800px auto 0;
}

.title-div .title-01 {
    width: 1200px;
    font-size: 36px;
    text-align: left;
    font-weight: 500;
    color: #fff;
    display: block;
    margin-top: 340px;
}

.title-div .title-02 {
    width: 1200px;
    text-align: left;
    font-size: 20px;
    color: #fff;
    display: block;
    margin-top: 14px;
}

.icon-box {
    height: 500px;
    background-color: #fff;
    text-align: center;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-box .center {
    width: 1920px;
    height: 500px;
    margin: 0 auto 0;
    justify-content: center;
    display: flex;
    align-items: center;
}

.center .alone-box {
    width: 450px;
    height: 500px;
    margin: 0 6%;
}

.alone-box .alone-box-w {
    /* width: 400px; */
    height: 46px;
    margin: 170px auto 0;
}

.alone-box .alone-icon {
    width: 46px;
    height: 46px;
    overflow: hidden;
    float: left;
}

.alone-icon img {
    width: 100%;
    height: 100%;
}

.alone-box .icon-text {
    font-size: 20px;
    color: #000000;
    display: block;
    float: left;
    line-height: 46px;
    margin-left: 14px;
}

.alone-box .alone-box-text {
    font-size: 14px;
    display: block;
    line-height: 21px;
    color: #333333;
    text-align: left;
    margin-top: 30px;
}

.alone-banner-box {
    text-align: center;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.alone-banner-box img {
    width: 2560px;
    height: 800px;
    margin: 0 auto 0;
}

.text-box {
    width: 1200px;
    height: 800px;
    overflow: hidden;
    margin: -800px auto 0;
}

.text-box .text-01 {
    font-size: 20px;
    text-align: left;
    font-weight: 500;
    color: #fff;
    display: block;
    margin-left: 800px;
    margin-top: 280px;
}

.text-box .text-02 {
    width: 400px;
    line-height: 21px;
    font-size: 14px;
    text-align: left;
    color: #fff;
    display: block;
    margin-left: 800px;
    margin-top: 20px;
}

.text-box .anniu {
    width: 160px;
    height: 46px;
    color: #000;
    font-size: 20px;
    background-color: #fff;
    overflow: hidden;
    line-height: 46px;
    text-align: center;
    display: inline-block;
    margin-left: 800px;
    margin-top: 50px;
    border-radius: 4px;
}

.white-box {
    height: 800px;
    text-align: center;
    overflow: hidden;
    background-color: #fff;
}

.white-box .white-text-01 {
    font-size: 20px;
    display: inline-block;
    color: #000;
    font-weight: 500;
    margin: 90px auto 0;
    text-align: center;
}

.white-box .xian {
    width: 100px;
    height: 2px;
    background-color: #000;
    margin: 20px auto 0;
}

.white-box .white-text-02 {
    font-size: 14px;
    display: inline-block;
    color: #000;
    margin: 20px auto 0;
    letter-spacing: 4px;
    text-align: center;
}

.center-box {
    justify-content: center;
    display: flex;
    align-items: center;
    margin: 90px auto 0;
}

.center-box .alone-quan {
    width: 250px;
    height: 250px;
    border-radius: 200px;
    border: 8px solid #7f7f7f;
    color: #000;
    display: block;
    line-height: 250px;
    font-size: 42px;
    text-align: center;
    margin: 0 5%;
    flex-shrink: 0;
    transition: all 0.3s ease-in-out;
    position: relative;
    top: 0;
}

.center-box .alone-quan:hover {
    top: -15px;
}

.anniu-02 {
    width: 160px;
    height: 46px;
    color: #fff;
    font-size: 20px;
    background-color: #000;
    overflow: hidden;
    line-height: 46px;
    text-align: center;
    display: inline-block;
    margin: 100px auto 0;
    border-radius: 4px;
}

.pinpai {
    width: 1200px;
    height: 460px;
    background: url(https://img.alicdn.com/imgextra/i1/2791424107/O1CN010hEGj11gD3PW1PzX3_!!2791424107.jpg) no-repeat;
    background-size: 1200px 460px;
    margin: 70px auto 0;
}


/* 底部 */

.footer {
    width: 100%;
    overflow: hidden;
    background-color: #2b303b;
}

.boxwrap {
    width: 1180px;
    height: 260px;
    margin: 0 auto;
}

.ftnav {
    height: 40px;
    padding: 55px 0;
    position: relative;
    overflow: hidden;
    border-bottom: solid 1px #666;
}

.ftnav .links {
    height: 40px;
    line-height: 40px;
    overflow: hidden;
}

.links a {
    font-size: 14px;
    margin-right: 56px;
    color: #d4d4d4;
}

.links a:hover {
    color: #fff;
}

.links a:nth-child(10) {
    margin-right: 0;
}

.company {
    width: 100%;
    padding: 25px 0;
    position: relative;
    overflow: hidden;
}

.company .contact {
    color: #d4d4d4;
    position: absolute;
    left: 0px;
    top: 25px;
}

.company .contact .cntxt {
    height: 30px;
    line-height: 30px;
    font-size: 22px;
    font-family: \5FAE\8F6F\96C5\9ED1;
}

.company .contact .entxt {
    height: 30px;
    line-height: 30px;
    font-size: 16px;
    font-family: Myriad Pro;
}

.company .copyright {
    width: 350px;
    line-height: 30px;
    margin-left: 160px;
}

.company .txtbox a {
    color: #d4d4d4;
    font-size: 14px;
    font-family: \5FAE\8F6F\96C5\9ED1;
}

.company .address {
    width: 420px;
    line-height: 30px;
    margin-left: 70px;
}

.company .txtbox {
    float: left;
    height: 60px;
    color: #d4d4d4;
    font-size: 14px;
    font-family: \5FAE\8F6F\96C5\9ED1;
}