* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

ul,
ol,
dl,
table,
th,
tr,
td,
input,
textarea,
li,
a,
div,
span,
em,
i {
    margin: 0;
    padding: 0;
    border: 0;
}

img {
    margin: 0;
    padding: 0;
    border: 0;
}

li {
    list-style: none;
}


/*全局样式*/

html,
body {
    width: 100%;
    margin: 0 auto;
}


/*= 清除浮动=*/

.clear {
    clear: both;
    height: 0px;
    line-height: 0px;
    font-size: 0px;
    overflow: hidden;
    display: block;
}

.clearfix:after {
    content: "";
    display: block;
    height: 0px;
    clear: both;
    visibility: hidden;
    font-size: 0px;
}

:focus {
    outline: 0
}

a,
button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
    cursor: pointer
}


/* Hides from IE-mac \*/

* html .clearfix {
    height: 0%;
}


/* End hide from IE-mac */

*+html .clearfix {
    min-height: 0%;
}


/* 针对IE7 */

*+html .clearfix {
    min-height: 0%;
}


/*原文件配置*/

body {
    color: #333;
    background: #ffffff;
    font: 16px/30px 'Microsoft YaHei', arial, sans-serif;
    min-width: 320px;
}

a {
    color: #333;
    text-decoration: none;
}

a:hover {
    color: #0052b0;
}


/*块级转化*/

.di_in {
    display: inline-block;
}

.di_bl {
    display: block;
}


/*原文件配置  end*/


/*横向居中*/

.te_c {
    text-align: center;
}


/*相对定位*/

.p_r {
    position: relative;
}


/* 白色背景 */

.bgfff {
    background: #fff;
}

.flex {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
}

.flex-v {
    -webkit-box-orient: vertical;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
}

.flex-1 {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
}

.flex-align-center {
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
}

.flex-pack-center {
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
}

.flex-pack-justify {
    -webkit-box-pack: justify;
    -webkit-justify-content: pace-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
}

.flex-warp {
    flex-flow: wrap
}

.flex-column {
    flex-flow: column
}

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

.transition {
    -webkit-transition: all .5s;
    -moz-transition: all .5s;
    -ms-transition: all .5s;
    -o-transition: all .5s;
    transition: all .5s
}

.img_hover {
    transition: all .3s;
}

.img_hover:hover {
    transform: scale(1.05, 1.05);
}

.bg-img {
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.box-shadow {
    box-shadow: 0 5px 20px rgba(0, 0, 0, .06);
}

@media (min-width: 1200px) {
    /*min-width 1200 */
    .container {
        width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }
}

.header {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    z-index: 9;
    width: 1300px;
    padding: 20px 0;
    color: #FFF;
}

.nav a,
.nav div {
    color: #FFF;
    margin-right: 20px;
}

.m-btn {
    display: none;
    background: url(../images/menu-btn.png)no-repeat center;
    width: 30px;
    height: 30px;
    background-size: 100%;
}

.close {
    background-image: url(../images/close.png);
}

.n-banner {
    background-color: #000c42;
    background-position: center;
    background-repeat: no-repeat;
    height: 445px;
    color: #FFF;
    background-size: auto 100%;
    color: #FFF;
    line-height: 1.5;
}

.n-banner .title {
    font-size: 56px;
    font-weight: 550;
}

.n-banner .txt {
    font-size: 32px;
}

.public-title {
    margin-top: 60px;
    line-height: 1.5;
    padding-bottom: 20px;
}

.public-title .cn {
    font-size: 32px;
    font-weight: 550;
}

.public-title .en {
    font-size: 20px;
    text-transform: uppercase;
    color: #989898;
    margin-top: 5px;
}

.public-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    height: 6px;
    width: 90px;
    border-radius: 3px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    -o-border-radius: 3px;
    background-color: #262b39;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
}

.footer {
    background-color: #262b39;
    overflow: hidden;
    padding-top: 60px;
}

.footer .copyright {
    color: #989898;
    font-size: 14px;
    margin-top: 30px;
}

.footer .copyright a {
    color: #989898;
}

.footer .copyright span {
    margin: 0 10px;
}

.footer .text {
    color: #FFF;
}

.footer .text .item:first-child {
    margin-right: 140px;
}

.footer .text h3 {
    font-size: 24px;
    margin-top: 0;
}

.footer .text .txt p {
    font-size: 20px;
    margin: 0;
    line-height: 38px;
}

.footer .erwma {
    width: 120px;
    height: 120px;
    overflow: hidden;
}

.footer .erwma img {
    width: 100%;
}

@media (min-width: 1025px) {
    /*所有hover写在这里面 兼容sofari的移动端不支持hover*/
    .nav a:hover {
        text-decoration: underline;
    }
}

@media (max-width: 1199px) {
    /*修改1200以下、小屏显示器*/
    .container,
    .header {
        padding-left: 20px;
        padding-right: 20px;
    }
    .container,
    .header {
        width: 100%;
    }
    .header .tel {
        display: none;
    }
    .nav {
        font-size: 14px;
    }
    .nav a,
    .nav div {
        margin-right: 15px;
    }
    .nav a:last-child {
        margin-right: 0;
    }
    .n-banner {
        height: 400px;
    }
    .n-banner .title {
        font-size: 42px;
    }
    .n-banner .txt {
        font-size: 24px;
    }
    .footer .f-logo img {
        height: 90px;
    }
    .footer .text .item:first-child {
        margin-right: 100px;
    }
    .footer .text h3 {
        font-size: 20px;
        margin-bottom: 10px;
    }
    .footer .text .txt p {
        font-size: 18px;
        line-height: 32px;
    }
}

@media (max-width:950px) {
    .header {
        padding-top: 15px;
        padding-bottom: 15px;
    }
    .m-btn {
        display: block;
    }
    .nav,
    .footer .erwma {
        display: none;
    }
    .nav {
        width: 100%;
        position: fixed;
        left: 0;
        top: 70px;
        background-color: #FFF;
        padding: 10px 20px;
    }
    .nav a,
    .nav div {
        color: #333;
        margin-right: 0;
        line-height: 40px;
    }
    .n-banner {
        height: 320px;
    }
    .n-banner .title {
        font-size: 32px;
    }
    .n-banner .txt {
        font-size: 20px;
    }
    .footer .copyright>div {
        width: 100%;
    }
    .footer .text h3 {
        font-size: 18px;
    }
    .footer .text .txt p {
        font-size: 16px;
    }
}

@media (max-width:480px) {
    .header {
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .header .logo img {
        height: 40px;
    }
    .n-banner {
        height: 280px;
    }
    .n-banner .title {
        font-size: 24px;
    }
    .n-banner .txt {
        font-size: 16px;
    }
    .footer {
        padding-top: 40px;
    }
    .footer .f-logo,
    .footer .text {
        width: 100%;
    }
    .footer .f-logo {
        justify-content: center;
        display: flex;
    }
    .footer .text {
        margin-top: 20px;
        justify-content: space-between;
    }
    .footer .text .item:first-child {
        margin-right: 0;
    }
    .footer .text h3 {
        font-size: 16px;
    }
    .footer .text .txt p {
        font-size: 14px;
    }
}

@media (max-width:376px) {
    .m-btn {
        width: 28px;
    }
    .nav {
        top: 60px;
    }
    .footer .copyright {
        font-size: 12px;
        line-height: 24px;
        margin-top: 20px;
    }
}

@media (max-width:320px) {
    .container,
    .header {
        padding-left: 10px;
        padding-right: 10px;
    }
    .header .logo img {
        height: 35px;
    }
    .m-btn {
        width: 24px;
    }
    .nav {
        top: 55px;
    }
    .n-banner {
        height: 240px;
    }
    .n-banner .title {
        font-size: 20px;
    }
    .n-banner .txt,
    .footer .text h3 {
        font-size: 14px;
    }
    .footer {
        padding-top: 20px;
    }
    .footer .f-logo img {
        height: 70px;
    }
}