.fl {
    float: left;
}

.fr {
    float: right;
}


/* banner start */
.banner_xxx_450 {
    width: 100%;
    height: 450px;
    margin-top: 60px;
    display: -webkit-box;
    /* 老版本语法: Safari, iOS, Android browser, older WebKit browsers. */
    display: -moz-box;
    /* 老版本语法: Firefox (buggy) */
    display: -ms-flexbox;
    /* 混合版本语法: IE 10 */
    display: -webkit-flex;
    /* 新版本语法: Chrome 21+ */
    display: flex;
    /* 新版本语法: Opera 12.1, Firefox 22+ */
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
}



.wrap {
    width: 1200px;
    margin: 0 auto;
}

.banner_xxx_450 .desc {
    width: 526px;
}

.banner_xxx_450 .desc .btns {
    margin-top: 50px;
}

.banner_xxx_450 .t1 {
    color: #191c3d;
    font-size: 32px;
}

.banner_xxx_450 .t2 {
    color: #191c3d;
    opacity: 0.45;
}

.banner_xxx_450 .t3 {
    color: #697386;
    font-size: 14px;
    margin-top: 30px;
    line-height: 26px;
}

.banner_xxx_350 {
    width: 100%;
    height: 350px;
    margin-top: 60px;
    display: -webkit-box;
    /* 老版本语法: Safari, iOS, Android browser, older WebKit browsers. */
    display: -moz-box;
    /* 老版本语法: Firefox (buggy) */
    display: -ms-flexbox;
    /* 混合版本语法: IE 10 */
    display: -webkit-flex;
    /* 新版本语法: Chrome 21+ */
    display: flex;
    /* 新版本语法: Opera 12.1, Firefox 22+ */
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
}

.banner_xxx_350 .desc {
    width: 526px;
}

.banner_xxx_350 .desc .btns {
    margin-top: 50px;
}

.banner_xxx_350 .t1 {
    color: #191c3d;
    font-size: 32px;
}

.banner_xxx_350 .t2 {
    color: #191c3d;
    opacity: 0.45;
}

.banner_xxx_350 .t3 {
    color: #697386;
    font-size: 14px;
    margin-top: 30px;
    line-height: 26px;
}

/* banner end */

/* 滚动导航 start */
.crumb_nav {
    height: 60px;
    width: 100%;
    border-bottom: 1px solid #e2e6ee;
    background-color: #fff;
}

.crumb_nav_center {
    margin: 0 auto;
    width: 1200px;
}

.banner-nav li {
    float: left;
    margin-right: 60px;
}

.banner-nav li a {
    display: inline-block;
    padding: 0px 10px;
    font-size: 14px;
    color: #191c3d;
    height: 60px;
    line-height: 60px;
}

.banner-nav li a:hover,
.banner-nav li a.active {
    color: #2468f2;
    border-bottom: 2px solid #2468f2;
}

/* 滚动导航 end */

/* 主副标题 start*/
.mainTitle {
    margin-bottom: 20px;
    font-size: 24px;
    text-align: center;
    color: #333;
}

.subTitle {
    font-size: 10px;
    color: #999;
    margin-bottom: 70px;
    text-align: center;
    text-transform: uppercase;
}

.c6 {
    color: #666;
}

.p70 {
    padding: 70px 0;
}

.c_hui {
    background-color: #f6f8fb;
}

.tac {
    text-align: center;
}

.por {
    position: relative;
}

.flex {
    display: box;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    -moz-align-items: center;
    -ms-align-items: center;
    -o-align-items: center;
    align-items: center;
}

.b1 {
    font-size: 20px;
    color: #191c3d;
    margin-bottom: 20px;
}

.b2 {
    color: #888e9a;
    line-height: 26px;
}

.cblue {
    color: #2468f2;
}

.bgblue {
    background-color: #2468f2;
}

.cf {
    color: #fff;
}

.mr10 {
    margin-right: 10px;
}

/* 主副标题 end */
.btns .control {
    background-color: transparent;
    color: #666;
    border-color: #666;
}

.btns .control:hover {
    color: #2468f2;
    border-color: #2468f2;
}