.aboutus-box1 {
    height: 644px;
    width: 100%;
    background-size: auto 100%;
    background-position: center;
    background-repeat: no-repeat;
}
.aboutus-box1 .t1 {
    font-size: 45px;
    color: #e1251b;
    padding: 80px 0 25px;
}
.aboutus-box1 .t2 {
    font-size: 18px;
    line-height: 32px;
    color: #fff;
}
.aboutus-box2 {
    position: relative;
    height: 596px;
}
.aboutus-box2 .left {
    width: 799px;
    height: 596px;
    position: absolute;
    left: -265px;
    top: 0;
    background-image: url(../img/aboutbg2.jpg);
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}
.aboutus-box2 .right {
    margin-left: 560px;
}
.aboutus-box2 .box2-nav {
    font-size: 0;
    padding-top: 65px;
}
.aboutus-box2 .box2-nav-link {
    display: inline-block;
    font-size: 18px;
    color: #5b5b5b;
    font-weight: bold;
    cursor: pointer;
    height: 40px;
    line-height: 40px;
    width: 16.6666%;
    text-align: center;
    position: relative;
    margin-bottom: 10px;
}
.aboutus-box2 .box2-nav-link:hover,
.aboutus-box2 .box2-nav-link.active {
    color: #e1251b;
}
.aboutus-box2 .box2-nav-link:after {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    width: 1px;
    height: 100%;
    background-color: #aaaaaa;
}
.aboutus-box2 .box2-nav-link:nth-child(6n)::after {
    display: none;
}
.box2-content {
    font-size: 16px;
    color: #5b5b5b;
    line-height: 34px;
    margin-top: 20px;
    padding: 0 20px;
    text-align: justify;
    display: none;
}
.box2-content.active {
    display: block;
}

.bg-gray {
    background-color: #e0e0e0;
}
.padt-40 {
    padding-bottom: 40px;
}
.title {
    padding: 100px 0 40px;
    line-height: 60px;
}

.title .t1 {
    font-size: 45px;
    color: #5b5b5b;
    font-weight: bold;
    letter-spacing: 2px;
}

.title .t2 {
    font-size: 45px;
    color: #f2f2f2;
    font-weight: bold;
}
.aboutus-p1 {
    font-size: 18px;
    line-height: 32px;
    color: #5b5b5b;
    letter-spacing: 2px;
}
.aboutus-box5 {
    padding-bottom: 540px;
    background-image: url(../../img/aboutbg3.jpg);
    background-size: 100% auto;
    background-position: bottom center;
    background-repeat: no-repeat;
}