body {
    min-width: 1200px;
}
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    -webkit-box-shadow:0px 4px 4px 0px rgba(220,220,220,0.5);
            box-shadow:0px 4px 4px 0px rgba(220,220,220,0.5);
    z-index: 88;
    min-width: 1200px;
}
.header-top {
    width: 100%;
    padding: 8px 0;
    background: url('../images/home_bg_top.png') no-repeat;
    background-size: 100% 100%;
    text-align: center;
    color: white;
    font-weight: bold;
}
.header-bar {
    background: white;
}
.header-logo {
    display: inline-block;
    width: 181px;
    margin-top: 16px;
}
.header-logo img {
    display: block;
    width: 100%;
}
.header-nav a {
    float: left;
    width: 120px;
    height: 64px;
    text-align: center;
    color: #6D6D6D;
    line-height: 64px;
    position: relative;
}
.header-nav a.active {
    color: #F08200;
    font-weight: bold;
}
.header-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #F08200;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer {
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    min-width: 1200px;
    background: #333;
    color: white;
    padding: 20px;
}

.block_tit {
    text-align: center;
    margin: 80px 0;
}
.block_tit h2 {
    font-size: 36px;
    line-height: 1;
    color: #333;
    margin: 0;
    text-align: center;
}
.block_tit span {
    display: block;
    width: 100%;
    background: #F7F7F7;
    height: 4px;
    margin: 10px auto 16px;
    position: relative;
}
.block_tit_logo {
    display: inline-block;
    width: 202px;
}
.block-tit_subtit {
    color: #999;
    font-size: 16px;
    margin: 0;
}
.block_tit span::before {
    content: '';
    display: block;
    height: 100%;
    width: 185px;
    background: #F08200;
    position: absolute;
    bottom: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
            transform: translateX(-50%);
}