/* 手机版  */

body {
    position: relative;
    overflow-x: hidden;
    background: #333;
}

.m-top {
    position: relative;
    z-index: 99;
    left: 0;
    top: 0;
    width: 100%;
    height: 60px;
    background: #fff;
}

.m-logo {
    display: block;
    position: absolute;
    left: 10px;
    top: 10px;
}

.m-logo img {
    height: 40px;
}

.m-top .btn {
    position: absolute;
    z-index: 100;
    top: 19px;
    right: 10px;
    text-align: center;
}

.m-top .btn span {
    display: block;
    width: 30px;
    height: 4px;
    background: #cb0000;
    -webkit-transition: 0.3s;
    transition: 0.3s;
}

.m-top .btn span:nth-child(2) {
    margin: 5px 0;
}

.cross span:nth-of-type(1) {
    transform: translateY(9px) rotate(-45deg);
}

.cross span:nth-of-type(2) {
    opacity: 0;
}

.cross span:nth-of-type(3) {
    transform: translateY(-9px) rotate(45deg);
}

.m-nav {
    position: absolute;
    z-index: 99;
    right: -150px;
    top: 0;
    width: 0;
    height: 100%;
    overflow: hidden;
    padding-top: 86px;
    background: #333;
}

.m-nav li a {
    display: block;
    font: 400 16px/36px "微软雅黑";
    color: #fff;
    text-align: center;
}

.m-menu {
    margin: 0 auto;
}

.m-menu li {
    float: left;
    width: 33.3%;
    padding: 5px;
}

.m-menu li a {
    display: block;
    font: 400 14px/36px "Microsft yahei";
    color: #1a1a1a;
    text-align: center;
    background: rgba(255, 255, 255, 0.6);
}

.wrapper {
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    background: #fff;
}

header {
    display: none;
}

@media (min-width: 1200px) {
    header {
        display: block;
        position: absolute;
        z-index: 99;
        left: 0;
        top: 0;
        width: 100%;
        height: 100px;
        background: rgba(255, 255, 255, 0.8);
    }
    .logo {
        position: absolute;
        left: 40px;
        top: 24px;
    }
    .nav ul {
        display: flex;
        justify-content: center;
    }
    .nav li {
        padding: 0 15px;
    }
    .nav li a {
        display: block;
        padding: 35px 0;
        font: 400 16px/30px "微软雅黑";
        color: #000000;
        background: url(../images/nav_li_line.png) no-repeat 0 bottom/0 3px;
        transition: 0.3s;
    }
    .nav li a:hover {
        background-size: 20px 3px;
    }
    .head-right {
        position: absolute;
        right: 40px;
        top: 30px;
        padding: 0 0 0 48px;
        font: 400 14px/18px "微软雅黑";
        color: #000;
        background: url("../images/top_tel.png") no-repeat 0 center;
    }
    .head-right p {
        font: 400 18px/20px "微软雅黑";
    }
}

@media (min-width: 1480px) {
    .head-right {
        right: 140px;
    }
}


/* 公共部分 */

.public {
    padding: 15px;
    background: #141414;
}

.public-nav {
    display: none;
}

.top {
    display: none;
}

.public-nav ul {
    display: flex;
}

.public-nav ul li {
    padding: 45px 60px 45px 0;
}

.public-nav ul li a {
    display: block;
    font: 400 14px/20px "微软雅黑";
    color: #797979;
}

.public-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.public-tel img {
    width: 24px;
}

.public-tel-en {
    padding: 5px 0;
    font: 400 12px/16px "微软雅黑";
    color: #999999;
    text-transform: uppercase;
}

.public-tel-number {
    padding: 0 0 10px;
    font: 400 18px/24px "微软雅黑";
    color: #ffffff;
}

.public-call img {
    width: 42px;
}

.public-center {
    display: none;
}

.public-right {
    width: 98px;
    height: 120px;
    padding: 3px;
    text-align: center;
    border: 1px solid #575757;
}

.public-right img {
    width: 90px;
}

.public-right p {
    font: 400 12px/24px "微软雅黑";
    color: #fff;
}

@media (min-width: 1200px) {
    .public {
        display: block;
        position: relative;
        z-index: 100;
        padding: 0 0 150px 0;
        background: #141414;
    }
    .public-nav {
        display: block;
        margin: 0 0 120px 0;
        border-bottom: 1px solid #333333;
    }
    .public-nav-box {
        position: relative;
        width: 1060px;
        margin: 0 auto;
    }
    .top {
        display: block;
        position: absolute;
        right: -120px;
        top: -24px;
        width: 44px;
        padding-top: 80px;
        font: 400 14px/24px "微软雅黑";
        color: #fff;
        text-align: center;
        text-transform: uppercase;
        background: url("../images/arrow_top.png") no-repeat center 0;
        cursor: pointer;
    }
    .public-nav ul {
        display: flex;
    }
    .public-nav ul li {
        padding: 45px 60px 45px 0;
    }
    .public-nav ul li a {
        display: block;
        font: 400 14px/20px "微软雅黑";
        color: #797979;
    }
    .public-main {
        display: flex;
        justify-content: space-between;
        width: 1060px;
        margin: 0 auto;
    }
    .public-tel img {
        width: auto;
    }
    .public-tel-en {
        padding: 10px 0;
        font: 400 14px/18px "微软雅黑";
        color: #999999;
        text-transform: uppercase;
    }
    .public-tel-number {
        padding: 0 0 30px;
        font: 400 30px/30px "微软雅黑";
        color: #ffffff;
    }
    .public-call img {
        width: auto;
    }
    .public-center {
        display: block;
        margin: 10px 0 0;
    }
    .public-right {
        width: 128px;
        height: 152px;
        margin: 10px 0 0;
    }
    .public-right img {
        width: 120px;
    }
    .public-right p {
        font: 400 12px/24px "微软雅黑";
    }
}

footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 5px 0;
    color: #000;
    text-align: center;
    background: #ededed;
}

footer p {
    padding: 0 5px;
    font: 400 14px/20px "微软雅黑";
}

@media (min-width: 1200px) {
    footer {
        padding: 20px 0;
        background: #fff;
        color: #000;
    }
}