.kl_header_logo img {
    width: 12.5rem;
    height: 4.25rem;
}

.banner  {
    z-index: 1;
    position: relative;
    width: 100%;
    height: calc(100%vh - 100px);
}

.banner img {
    width: 100%;
    height: 100%vh;
}

.home_banner {
    position: relative;
    margin: 0px 0px 3.125rem 0px;
    width: 100%;
    height: calc(100%vh - 100px);
}

.home_banner  img {   
    width: 100%;
    height: 100%;       
    z-index: 1;
}

.home_intro {
    margin: 3.125rem auto 0px;
    display: flex;
    justify-content: space-between;
    width: 83.75rem;
    height: 50rem;
}

.home_intro .home_intro_left {
    width: 49%;
    height: 100%;
}

.home_intro .home_intro_right {
    width: 49%;
    height: 100%;
}

.home_intro .home_intro_left .home_intro_left_line {
    width: 100%;
    border-top: 1px solid #e6e6e6;
}

.home_intro .home_intro_left .home_intro_left_time {
    font-size: 12.5rem;
    color: #1a7b80;
}

.home_intro .home_intro_left .home_intro_left_time span { 
    font-size: 3.75rem;
}

.home_intro .home_intro_left .home_intro_left_title {
    margin-bottom: 1.25rem;
    font-size: 2.25rem;
    font-weight: 700;
}

.home_intro .home_intro_left .home_intro_left_desc {
    margin-bottom: 1.25rem;
    color: black;
    line-height: 1.5625rem;  
}

.home_intro .home_intro_left .home_intro_left_img,
.home_intro .home_intro_left .home_intro_left_img img {
    margin-bottom: 1.25rem;
    width: 100%;
    height: 20rem;
    border-radius: 0.5rem;
}

.home_intro .home_intro_left .home_intro_left_sum {
    color: black;
}

.home_intro .home_intro_right .home_intro_right_title {
    margin: 0px auto;
    width: 90%;
    font-size: 2.25rem;
    font-weight: 700;
    color: #2c2c2c;
}

.home_intro .home_intro_right .home_intro_right_line {
    margin-left: 5%;
    width: 8.75rem;
    height: 1.25rem;
    border-bottom: 2px solid #1a7b80;
}

.home_intro .home_intro_right .home_intro_right_content p {
    margin: 3.125rem auto 1.25rem;
    width: 90%;
    text-indent: 2em;
    font-size: 1rem;
    line-height: 2rem;
}

.home_service {
    display: none;
    margin: 4rem auto;
    width: 83.75rem;
    height: 33.75rem;
    border: 1px solid #D2E6FD;
}

.home_service .home_service_nav {
    position: relative;
    margin: 0px auto;
    display: flex;
    justify-content: space-between;
    width: 90%;
    height: 3.75rem;
    background-color: white;
    color: #a2a2a2;
    border-top: 1px solid #a2a2a2;
}

.home_service .home_service_nav>div {
    width: 20%;
    text-align: center;
    line-height: 3.75rem;
    font-size: 1.3125rem;
    font-weight: 700;
}

.home_service .home_service_nav>div::before {
    display: none;
    content: " ";
    position: absolute;
    top: -0.5rem;
    width: 20%;
    border-top: 0.5rem solid #1a7b80;
}

.home_service .home_service_nav_active {
    color: #1a7b80;
}
.home_service .home_service_nav>div.active::before {
    display: block;
}   

.home_service .home_service_content ul .home_service_active {
    display: flex;
}

.home_service .home_service_content {
    display: flex;
    margin: 2rem auto;
    width: 90%;
    height: 25rem;
    overflow: hidden;
}

.home_service .home_service_content ul {
    position: relative;
    display: flex;
    margin: 30px auto 0px;
    width: 100%;
    height: 25rem;
}

.home_service .home_service_content ul li {
    margin: 0px auto;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 25rem;
    display: none;
}

.home_service .home_service_content .left {
    width: 50%;
    height: 100%;
    background-color: #fff;
}

.home_service .home_service_content .left .title {
    margin: 1rem 0px 1rem 5%;
    width: 7.5rem;
    height: 2.5rem;
    font-size: 1.25rem;    
    color: white;
    line-height: 2.5rem;
    text-align: center;
    background-color: #1a7b80;
    border-radius: 1.25rem;
}

.home_service .home_service_content .left .desc {
    margin-left: 5%;
    font-size: 1.125rem;
    color: #2c2c2c;
}

.home_service .home_service_content .left .con {
    margin: 1.25rem auto 0px ;
    width: 90%;
    line-height: 2rem;
}

.home_service .home_service_content .right {
      width: 50%;
    height: 100%;
}

.home_service .home_service_content .right img {
    width: 100%;
    height: 100%;
}