.center{ width: 1000px; margin: 0 auto;}
.accordion {
    width: 100%;
    max-width: 200px;
    background: #FFF;
}

.accordion .link {
    cursor: pointer;
    display: block;
    background: #f9fafc;
    padding: 18px 18px 18px 32px;
    color: #4D4D4D;
    font-size: 14px;
    border-bottom: 1px solid #fff;
    position: relative;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    transition: all 0.4s ease;
}

.accordion li:last-child .link {
    border-bottom: 0;
}
.accordion li{
    cursor: pointer;
}
.accordion li i {
    position: absolute;
    top: 16px;
    left: 12px;
    font-size: 18px;
    color: #595959;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    transition: all 0.4s ease;
}

.accordion li i.fa-chevron-down {
    right: 12px;
    left: auto;
    font-size: 16px;
    height: 20px;
}

.accordion li.open .link {
    font-weight: 500;
    color: #c62728;
    border-left: 3px solid #c62728;
    box-sizing: border-box;
}

.accordion li.open i.fa-chevron-down{
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    -o-transform: rotate(180deg);
    transform: rotate(180deg);
    transform-origin:center center;
}

/**
 * Submenu
 -----------------------------*/
.submenu {
    display: none;
    background: #f5f5f5;
    font-size: 14px;
}

.submenu li {
    border-bottom: 1px solid #fff;
}

.submenu a {
    display: block;
    text-decoration: none;
    color: #666;
    padding: 12px;
    padding-left: 52px;
    -webkit-transition: all 0.25s ease;
    -o-transition: all 0.25s ease;
    transition: all 0.25s ease;
}

.submenu a:hover ,.submenu li.current a{
    background: #c62728;
    color: #FFF;
}
.inscon_left{ width: 204px;}
.send {
    position:relative;
    /*父类用相对位置*/
    margin-right: 20px;
    background:#F8C301;
    border-radius:5px; /* 圆角 */
}

.send .arrow {
    position:absolute;
    /*子类用绝对位置*/
    top:5px;
    /*向下移动五个像素*/
    right:-16px;
    /*调试三角的位置*/
    width:0;
    height:0;
    font-size:0;
    border:solid 8px;
    border-color:#CCC #fff  #fff #fff ;}
.inscon_con{ padding: 30px 0;}
.inscon_top{ height: 115px; background: url(../images/ins_banner.jpg) no-repeat center;}
.inscon_right{ width: 750px;}
.ins_h3 h3{ border-left: 4px solid #c62728; font-weight: 400; line-height: 40px; padding-left: 20px; color: #333; background-color: #f9fafc;}
.ins_p p{ padding: 20px 10px;}
.ins_p span{ color: #c62728;}
.ins_p font{ margin-right: 6px; display: inline-block;text-align: center; line-height: 18px; height: 18px; width: 18px; border-radius: 18px; background: #c62728; color: #fff;}
.ins_img img{ width: 750px;}
.inconfr_con{ padding-bottom: 30px; border-bottom: 1px solid #f9fafc;}