/* public */ 
@font-face {
    font-family: 'OPPOSans-L';
    src: url('../font/AlibabaPuHuiTi-2-55-Regular.otf'); 
    font-style: normal;
} 
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
font,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
section,
article,
aside,
header,
footer,
nav,
dialog,
figure,
menu,
hgroup {
    margin: 0;
    padding: 0;
    border: 0;
}


/*解除最小字体限制*/
table {
    border-collapse: collapse;
    border-spacing: 0;
}

fieldset,
img {
    border: 0;
}

img {
    vertical-align: top;
    width: 100%;
    display: block;
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
    font-style: normal;
}

ol,
ul,
li {
    list-style: none;
}

capation,
th {
    text-align: left;
}

q:before,
q:after {
    content: '';
}

abbr,
acronym {
    border: 0;
}

video {
    object-fit: fill;
}


/*手机端页面去除a标签点击时的蓝色边框*/

a {
    text-decoration: none;
    color: #333;
    transition: color 0.1s ease-in;
    border: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

a:hover {
    outline: none;
    text-decoration: none;
}

a:focus {
    outline: none;
}


/* 清除表单相关默认样式 */

input,
textarea,
select,
button {
    outline: none;
    resize: none;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    -ms-appearance: none;
}

input:focus,
textarea:focus,
button,
a,
select {
    outline: none;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    -ms-appearance: none;
}


/*去除input自动填充的黄色背景*/

input:-webkit-autofill,
textarea:-webkit-autofill,
select:-webkit-autofill {
    box-shadow: 0 0 0px 1000px white inset;
    -webkit-box-shadow: 0 0 0px 1000px white inset;
}


/*清除ie的默认选择框样式清除，隐藏下拉箭头*/

select::-ms-expand {
    display: none;
}

.tl {
    text-align: left;
}

.tc {
    text-align: center;
}

.tr {
    text-align: right;
}


/*块状元素集中对齐 block center*/

.bc {
    margin-left: auto;
    margin-right: auto;
}


/* 可修复IE6中双倍边距bug */

.fl {
    float: left;
}

.fr {
    float: right;
}

.cb {
    clear: both;
}

.or {
    overflow: hidden;
}

.clearfix:after {
    content: '';
    display: block;
    height: 0;
    visibility: hidden;
    clear: both;
}

.clearfix {
    /*IE6中的解决方案*/
    zoom: 1;
}


/* 限制内容文本行数 */

.ovline {
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.ovline2 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -moz-box-orient: vertical;
    -webkit-line-clamp: 2;
    -moz-line-clamp: 2;
    text-overflow: ellipsis;
    overflow: hidden;
}

.ovline3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -moz-box-orient: vertical;
    -webkit-line-clamp: 3;
    -moz-line-clamp: 3;
    text-overflow: ellipsis;
    overflow: hidden;
}

 

/* 解决ios上下滚屏卡顿 */

.ios {
    -webkit-overflow-scrolling: touch;
}


/*设置placeholder*/


/*WebKit browsers   */

input::-webkit-input-placeholder {
    color: #999;
}


/*Mozilla Firefox 4 to 18   */

input:-moz-placeholder {
    color: #999;
}


/*Mozilla Firefox 19+   */

input::-moz-placeholder {
    color: #999;
}


/*Internet Explorer 10+ */

input:-ms-input-placeholder {
    color: #999;
}


/*WebKit browsers   */

textarea::-webkit-input-placeholder {
    color: #999;
}


/*Mozilla Firefox 4 to 18   */

textarea:-moz-placeholder {
    color: #999;
}


/*Mozilla Firefox 19+   */

textarea::-moz-placeholder {
    color: #999;
}


/*Internet Explorer 10+ */

textarea:-ms-input-placeholder {
    color: #999;
}

* {
    margin: 0;
    padding: 0;
    border: 0;
    box-sizing: border-box;
    font-family:OPPOSans-L, OPPOSans,"PingFang SC", "Microsoft YaHei", "微软雅黑", "STHeiti", "WenQuanYi Micro Hei", SimSun, sans-serif;
}

html {
    -webkit-text-size-adjust: none; 
}

body {
    /* font-size: 14px;   */
    overflow-x: hidden; 
    background: linear-gradient(181deg, #021F41 0%, #021A36 100%);
    min-height: 100vh;
}
 
.bg{
    display: block;
    width: 100%;
} 
.wap{
    display: none;
}
header{
    position: fixed;
    top: 0;
    left: 0;
    padding: 3rem 5.21% ;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
    z-index: 9;
}
header .logo{
    width: auto;
    height: 4.5rem;
}
header .navhead{
    display: flex;
    justify-content: center;
    align-items: center;
}
header .navhead a{
    font-size: 1.6rem; 
    color: #FFFFFF;
    line-height: 3rem;
    cursor: pointer;
    margin:0 2.865vw;
}
header .navhead a.on{
    border-bottom: 0.2rem solid #fff;
}
header .navbtn{
    width: 3.5rem;
    cursor: pointer;
}
footer{
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    padding: 5.2rem 21.88%;
    width: 100%;
background: #03162D;
}
footer .logo{
    width: auto;
    height: 4rem;
}
footer a{
    font-size: 1.6rem;
font-weight: 300;
color: #FFFFFF;
line-height: 1.9rem;
cursor: pointer;
}
.prop{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
    background: rgba(0, 0, 0, 0.6);
    display: none;
}
.prop .navlist{
    position:absolute;
    top:2.2rem;
    right:4%;
    background: rgba(5, 80, 108, 0.67);
    padding: 5.5rem 5rem 5.5rem 4.2rem; 
}
.prop .navlist .close{
    cursor: pointer;
    width: 2.7rem;
    display: block;
    position: absolute;
    right: 2.8rem;
    top: 2rem;
}
.prop .navlist a{
    font-size: 2.5rem;
    font-weight: 600;
    display: block;
    color: rgba(81, 114, 148, 1);
    margin-top: 3rem;
    position: relative;
}
.prop .navlist a::before{
content: '';
width: 0.5rem;
height: 0.5rem;
border-radius: 50%;
position: absolute;
left: -1.5rem;
top: calc(50% - 0.25rem);
background: rgba(81, 114, 148, 1);
}
.prop .navlist a:hover,
.prop .navlist a.on{
    color: #fff;
}
.prop .navlist a:hover::before,
.prop .navlist a.on::before{
    background: #fff;
}
.rightbtn{
    position: fixed;
    right: 2.76%;
    bottom: 8.24%;
    z-index: 8;
}
.rightbtn div .icon{
    display: block;
    width: 3.3rem;
    margin: 0.7rem auto;
}
.rightbtn div{ 
    width: 9.6rem;
    height: 9.6rem;
    font-size: 2.2rem;
    font-family: OPPOSans-L, OPPOSans;
    font-weight: normal;
    color: #FFFFFF;
    line-height: 3.2rem;
    background: #046680;
    margin-top: 0.2rem;
    cursor: pointer;
    text-align: center;
    display: block;
    padding: 0.8rem 0;
    box-sizing: border-box;
}
.rightbtn div.totop{
    display: none;
}
@media screen and (max-width:750px) {
    .pc{
        display: none!important;
    }
    .wap{
        display: block!important;
    }
    header{ 
        padding: 4.6rem 6% ; 
    }
    
    footer{
        display: block;
        box-sizing: border-box;
        padding: 4.2rem 10% ; 
    }
    footer .logo{
        margin: 2.1rem auto 4.2rem;
    }
    footer a{
        font-size: 2.4rem; 
        line-height: 7rem;
        text-align: center;
        display: block;
    }
    footer a+a{
        border-top: 1px dashed rgba(151, 151, 151, 0.2);
    }
    .prop .navlist{
        position:absolute;
        top:0;
        right:0;
        background: #07182C;
        padding:5.5rem 6rem; 
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
    }
    .prop .navlist .close{
        cursor: pointer;
        width: 3rem;
        display: block;
        position: absolute;
        right: 6rem;
        top: 5.5rem;
    }
    .prop .navlist .navhead{
        width: 100%;
    }
    .prop .navlist a{
        font-size: 3.5rem;
        display: block;
        color: #fff;
        margin-top: 0;
        text-align: center;
        line-height: 14rem;
        width: 100%;
    }
    .prop .navlist a+a{
border-top: 1px solid rgba(151, 151, 151, 0.2);
    }
    .prop .navlist a::before{
  display: none;
    }
    .prop .navlist a:hover,
    .prop .navlist a.on{
        color: #00B8D3;
    }
    .prop .navlist a:hover::before,
    .prop .navlist a.on::before{
        background: #00B8D3;
    }
}