@font-face {
    font-family: iconfont;
    src: url(//at.alicdn.com/t/font_675763_eujx631hrgi.eot);
    src: url(//at.alicdn.com/t/font_675763_eujx631hrgi.eot?#iefix) format('embedded-opentype'), url(//at.alicdn.com/t/font_675763_eujx631hrgi.woff) format('woff'), url(//at.alicdn.com/t/font_675763_eujx631hrgi.ttf) format('truetype'), url(//at.alicdn.com/t/font_675763_eujx631hrgi.svg#iconfont) format('svg')
}

.i-f {
    font-family: iconfont
}

.IB {
    font-size: 0;
    -webkit-text-size-adjust: none
}

.IB > * {
    display: inline-block;
    vertical-align: top;
    font-size: 16px;
}

.IB > .IB {
    font-size: 0;
    -webkit-text-size-adjust: none
}


.header {
    position: fixed;
    width: 100%;
    height: 75px;
    z-index: 20;
    left: 0;
    top: 0;
    background-color: #fff;
    -webkit-box-shadow: 0 0 10px rgba(55, 55, 55, .1);
    box-shadow: 0 0 10px rgba(55, 55, 55, .1);
}

.header .logo {
    float: left;
    margin-left: 3%;
    padding-top: 4px;
}


.header .menulist {
    float: left;
    line-height: 25px;
    margin-left: 85px;
}

.header .search {
    float: right
}

.header .search .tel {
    color: #EF8200;
    font-size: 26px;
    padding-top: 18px;
    margin-right: 40px;
    line-height: 37px;
    font-family: DINCondensed,serif;
}

.header .search .tel span {
    margin-right: 10px
}


.header .search button {
    height: 75px;
    text-align: center;
    width: 75px;
    color: #fff;
    border: none;
    outline: 0;
    background-color: #EF8200;
    font-size: 26px;
    cursor: pointer
}

.header .search .input-box {
    position: relative
}

.header .search .input-box::before {
    content: "";
    position: absolute;
    width: 257px;
    left: -257px;
    height: 100%;
    background-color: #EF8200;
    -webkit-transform: scale(0, 1);
    -ms-transform: scale(0, 1);
    transform: scale(0, 1);
    -webkit-transition: -webkit-transform 1s;
    transition: -webkit-transform 1s;
    -o-transition: transform 1s;
    transition: transform 1s;
    transition: transform 1s, -webkit-transform 1s;
    -webkit-transform-origin: right center;
    -ms-transform-origin: right center;
    transform-origin: right center
}

.header .search .input-box.active input, .header .search .input-box.active::before {
    -webkit-transform: scale(1, 1);
    -ms-transform: scale(1, 1);
    transform: scale(1, 1)
}



.header .search input {
    position: absolute;
    left: -240px;
    width: 240px;
    z-index: 5;
    height: 40px;
    margin-top: 17px;
    outline: 0;
    border: 1px solid #EF8200;
    padding-left: 15px;
    -webkit-transform: scale(0, 1);
    -ms-transform: scale(0, 1);
    transform: scale(0, 1);
    -webkit-transition: -webkit-transform 1s;
    transition: -webkit-transform 1s;
    -o-transition: transform 1s;
    transition: transform 1s;
    transition: transform 1s, -webkit-transform 1s;
    -webkit-transform-origin: right center;
    -ms-transform-origin: right center;
    transform-origin: right center
}

.phone{
    display: none;
}



@media screen and (max-width: 1600px) {
   .header .search .tel {
        font-size: 24px;
        margin-right: 30px;
        line-height: 37px
    }

  
}

@media screen and (max-width: 1500px) {
   
}

@media screen and (max-width: 1440px) {
	
   
.header .menulist {
    float: left;
    line-height: 25px;
    margin-left: 65px;
}

.header .search .tel {
        font-size: 24px;
        margin-right: 30px;
        line-height: 37px;
    }

  
}

@media screen and (max-width: 1280px) {
	
    .header .menulist a + a {
        margin-left: 40px;
    }
	
.header .menulist {
    float: left;
    line-height: 25px;
    margin-left: 45px
}

.header .search .tel {
	display:none;
    }



  
}

@media screen and (max-width:1024px) {
   
    .nav-open .lower-screen {
        -webkit-transform: scale(0.8, 0.8);
        -ms-transform: scale(0.8, 0.8);
        transform: scale(0.8, 0.8);
    }
    .index .contact{
        padding: 50px 3%;
    }
    .index .contact ul {
        margin-top: 20px;
    }
    .index .contact li.w100{
        margin-top: 10px;
    }
    .nav-open .nav {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    .nav-open .nav-toggle {
        box-shadow: none;
    }
    .nav-open .nav-toggle:before {
        width: 1200px;
        height: 1200px;
        background-color: #EF8200;
    }
    .nav-open .nav-toggle .icon {
        width: 0;
    }
    .nav-open .nav-toggle .icon:before {
        -webkit-transform: translateY(9px) rotate(45deg);
        -ms-transform: translateY(9px) rotate(45deg);
        transform: translateY(9px) rotate(45deg);
    }
    .nav-open .nav-toggle .icon:after {
        -webkit-transform: translateY(-9px) rotate(-45deg);
        -ms-transform: translateY(-9px) rotate(-45deg);
        transform: translateY(-9px) rotate(-45deg);
    }
    .phone {
        display: block;
        position: fixed;
        top: -70px;
        -webkit-transform: translateX(-50%) translateY(-50%);
        -ms-transform: translateX(-50%) translateY(-50%);
        transform: translateX(-50%) translateY(-50%);
    }
    
    .phone .screen {
        width: 100vw;
        height: 8vh;
        z-index: 9999;
        top: 0;
        left: 0;
        right: 0;
        display: block;
        margin: 65px auto;
        overflow: hidden;
        position: fixed;
        border-radius: 2px;
    }
    .nav-toggle {
        width: 40px;
        height: 40px;
        z-index: 2;
        border-radius: 50%;
        margin: 10px;
        position: absolute;
        left: 85%;
        cursor: pointer;
        -webkit-transition-duration: 0.66s;
        transition-duration: 0.66s;
        -webkit-transition-timing-function: swing;
        transition-timing-function: swing;
    }
    .nav-toggle:before {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background-color: #EF8200;
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        -webkit-transform: translateX(-50%) translateY(-50%);
        -ms-transform: translateX(-50%) translateY(-50%);
        transform: translateX(-50%) translateY(-50%);
        -webkit-transition-duration: 0.66s;
        transition-duration: 0.66s;
        -webkit-transition-timing-function: swing;
        transition-timing-function: swing;
    }
    .nav-toggle .icon {
        width: 20px;
        height: 4px;
        background-color: white;
        border-radius: 2px;
        position: absolute;
        top: 18px;
        left: 11px;
        -webkit-transition-duration: 0.5s;
        transition-duration: 0.5s;
        transiting-timing-function: swing;
    }
    .nav-toggle .icon:before,
    .nav-toggle .icon:after {
        width: 20px;
        height: 4px;
        background-color: white;
        border-radius: 2px;
        content: "";
        position: absolute;
        left: 0;
        -webkit-transition-duration: 0.5s;
        transition-duration: 0.5s;
        -webkit-transition-timing-function: swing;
        transition-timing-function: swing;
    }
    .nav-toggle .icon:before {
        top: -9px;
    }
    .nav-toggle .icon:after {
        top: 9px;
    }
    .lower-screen {
        padding: 60px 0 20px 0;
        overflow-y: scroll;
        height: 450px;
        -webkit-transition-duration: 0.66s;
        transition-duration: 0.66s;
        -webkit-transition-timing-function: swing;
        transition-timing-function: swing;
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }
    .lower-screen::-webkit-scrollbar {
        display: none;
    }
    .card {
        width: 90%;
        margin-left: 5%;
        padding: 20px 20px 0 20px;
        background-color: white;
        border-radius: 5px;
        text-align: center;
        overflow: hidden;
        border-bottom: 3px solid rgba(0, 0, 0, 0.12);
        margin-bottom: 20px;
    }
    .card h2 {
        margin-bottom: 5px;
    }
    .card p {
        font-size: 14px;
        color: #666666;
        margin-bottom: 20px;
    }
    .card p a {
        text-decoration: none;
        color: #4A75E6;
    }
    .nav {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 9;
        padding: 0 20px;
        -webkit-transition-duration: 0.66s;
        transition-duration: 0.66s;
        -webkit-transition-timing-function: swing;
        transition-timing-function: swing;
        -webkit-transform: translateY(100%);
        transform: translateY(100%);
    }
    .nav ul li {
        list-style: none;
    }
    .nav ul li a {
        display: block;
        padding: 10px 0;
        text-align: center;
        color: white;
        text-decoration: none;
        font-size: 18px;
        -webkit-transition-duration: 0.25s;
        transition-duration: 0.25s;
    }
    .nav ul:hover li a {
        opacity: 0.5;
    }
    .nav ul:hover li:hover a {
        opacity: 1;
    }
	
	.header .logo img{
        width: 60%;
    }
	.header{
        height: 51px;
        overflow: inherit;
    }
    .menulist, .search{
       display: none;
    }
}