@font-face {
    font-family: 'Helvetica-Bold';
    src: url(../fonts/Helvetica-Bold.ttf);
}
* {
    padding: 0;
    margin: 0;
    border: none;
    outline: none;
    font-size: 62.5%;
    color: #222;
    list-style: none;
    font-family: "Helvetica-Bold";
}
a{
	text-decoration: none;
}
img{
    display: block;
}
.clear {
    clear: both;
}
.w_wall {
   width: 98%;
   margin: auto;
}
.index-date{
    padding: 10px 0 0;
}
.index-date ul{
    float: left;
    width: 7.6%;
    text-align: center;
}
.index-date ul li:nth-child(10){
    margin-bottom: 10%;
}
.index-date ul li:nth-child(20){
    margin-bottom: 10%;
}
.index-date li a,.index-date li{
    font-size: 2.1rem;
    font-weight: bold;
    position: relative;
}
.index-date li a::before{
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: #222;
    -webkit-transition: .3s;
    transition: .3s;
}
.index-date li a:hover::before{
    width: 100%;
}
body{
    position: relative;
}
.nav{
    position: fixed;
    right: 5%;
    bottom: 4%;
    z-index: 999;
}
.nav .nav-box a{
    font-size: 1.8rem;
    color: #fff;
    line-height: 2.6;
    position: relative;
}
.nav .nav-box a::before{
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: #fff;
    -webkit-transition: .3s;
    transition: .3s;
}
.nav .nav-box a:hover::before{
    width: 100%;
}
.nav .btn{
    position: absolute;
    right: 0;
    bottom: 0;
    cursor: pointer;
}
.nav .btn span{
    display: block;
    width: 25px;
    height: 6px;
    background: #222;
    margin: 3px auto;
}
.nav .nav-box{
    background: #666;
    padding: 6px 30px;
    margin: 0 27px 1px 0;
    display: none;
}
.about-box{
    padding: 3% 5%;
    background: #111;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    position: fixed;
    left: 0;
    top: 0;
}
.about-box h1{
    color: #fff;
    font-size: 1.8rem;
    opacity: 0.1;
    padding: 0 30%;
}
.about-box .about{
    padding: 10% 30%;
}
.about-box .about h2{
    color: #fff;
    font-size: 2.8rem;
    margin-bottom: 1%;
    letter-spacing: 1px;
}
.about-box .about h3{
    color: #fff;
    font-size: 2.4rem;
    opacity: 0.6;
    line-height: 1.4;
    letter-spacing: 1px;
}
.about-box .about .text{
    padding: 6% 0 10%;
}
.about-box .about .text b{
    color: #fff;
    font-size: 1.8rem;
    opacity: 0.3;
    border-bottom: solid #fff 1px;
}
.about-box .about .text p{
    color: #fff;
    font-size: 1.8rem;
    opacity: 0.3;
    float: left;
    width: 24%;
}
.about-box .about li{
    margin: 3% 0;
}
.about-box .about li:nth-child(8),.about-box .about li:nth-child(7),.about-box .about li:nth-child(6),.about-box .about li:nth-child(5),.about-box .about li:nth-child(3){
    margin-left: 24%;
    margin: 1% 0 0 24%;
}
.about-box .about li:nth-child(4){
    margin: 1% 0;
}
.date-box{
    position: fixed;
    width: 100%;
    height: 100%;
}
.date-box li h1{
    color: #222;
    font-size: 2.6rem;
    margin-bottom: 4%;
}
.date-box li p{
    padding: 2% 0;
}
.date-box li a,.date-box li p{
    color: #222;
    font-size: 2.2rem;
    position: relative;
}
.date-box li a{
    border-bottom: solid 1px #222;
}
.date-box li b{
    font-weight: bold;
    color: #222;
    font-size: 2.4rem;
}
.top-box h1{
    color: #fff;
    font-size: 3rem;
    margin-bottom: 1%;
}
.top-box .cz input{
    width: 50%;
    color: #fff;
    padding: 10px;
    font-size: 1.6rem;
    background: #666;
    box-sizing: border-box;
    height: 38px;
}
.top-box .cz:nth-of-type(2) input{
    width: 100%;
}
.top-box input::placeholder{
    color: #fff;
    font-size: 1.4rem;
    background: #666;
}
.top-box .cz{
    position: relative;
    width: 30%;
    margin-bottom: 1%;
}
.top-box .cz #imgSearch{
    width: 1.4rem;
    position: absolute;
    right: 10px;
    top: 50%;
    -webkit-transform: translate(0,-50%);
    transform: translate(0,-50%);
    z-index: 9;
    width: auto;
    background: none;
}
.top-box .cz form{
    width: 49%;
    position: absolute;
    right: 0;
    top: 50%;
    -webkit-transform: translate(0,-50%);
    transform: translate(0,-50%);
    background-color: #666;
    height: 38px;
}
.top-box .cz form select,.top-box .cz form select option{
    color: #fff;
    opacity: 0.3;
    font-size: 1.4rem;
    padding: 10.2px;
}
.top-box .cz form select{
    width: 100%;
    -webkit-appearance: none;
    appearance:none;
    background: url(../Images/bottom.png) no-repeat right;
    background-size: 2.4rem;
    background-color: #666;
}
.search-box h1{
    color: #fff;
    opacity: 0.3;
    font-size: 1.6rem;
    margin: 20px 0;
}
.search-box p{
    margin: 12px 0;
}
.search-box a,.search-box p{
    color: #fff;
    font-size: 2.4rem;
    position: relative;
    font-weight: bold;
    letter-spacing: 1px;
}
.search-box a{
    border-bottom: solid #fff 1px;
}
.search-box .titt,.search-box ul li{
    display: flex;
    justify-content: space-between;
}
.nav_btn_active {
    -webkit-transition: all 0.4s;
    transition: all 0.4s;
    margin-bottom: 5px;
}
.nav_btn_active span:nth-of-type(1) {
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}
.nav_btn_active span:nth-of-type(2) {
    opacity: 0;
}
.nav_btn_active span:nth-of-type(3) {
    margin-top: -72%;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}
.cpy{
    text-align: center;
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translate(-50%,0);
    -webkit-transform: translate(-50%,0);
}
.cpy a{
    color: #888;
    font-size: 10px;
}
