.kt_top {
    width: 100%;
    height: 620px;
    background: url(../images/background.png) no-repeat center center;
    background-size: 100% 100%;
}

.kt_banner {
    height: 520px;  
}

.kt_intro {
    width: 100%;
    position: relative;
    margin-top: 150px;
}

.kt_intro_box {
    width: 1200px;
    height: 100%;
    max-width: 1200px;
    min-width: 1180px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.kt_intro_box .intro_txt {
    flex: 1;
}

.intro_txt .title {
    font-size: 44px;
    font-weight: bold;
    margin-bottom: 40px;
    color: #577DD6;
}

.intro_txt .pro {
    color: #595F6F;
    line-height: 30px;
    font-size: 16px;
}

.kt_intro_box .intro_img {
    width: 500px;
    margin-left: 70px;
}

.kt_intro_box .intro_img img {
    width: 100%;
    height: auto;
}

.kt_problem {
    width: 100%;
    position: relative;
    margin-top: 150px;
    margin-bottom: 150px;
}

.kt_problem_box {
    width: 1200px;
    height: 100%;
    max-width: 1200px;
    min-width: 1180px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.kt_problem_box .box_item {
    width: 300px;
    margin-left: 40px;

}

.kt_problem_box .box_item .box_inner {
    margin-bottom: 40px; 
    box-shadow: 0px 5px 15px 0px rgba(46, 80, 255, 0.05);
}

.kt_problem_box .box_item .box_inner .title {
    width: 100%;
    height: 56px;
    background: url(../images/title_bak.png) no-repeat center center;
    background-size: 100% 100%;
    text-align: center;
    line-height: 56px;
    color: #353535;
    font-size: 20px;
}

.kt_problem_box .box_item .box_inner .content {
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 20px;
    border: 1px solid #9CD2F4;
    border-top: none;
    box-shadow: 0px 5px 15px 0px rgba(46, 80, 255, 0.05);
}

.content .enter_item {
    display: block;
    height: 42px;
    text-align: center;
    line-height: 42px;
    color: #ffffff;
    font-size: 16px;
    background: #64B8ED;
    border-radius: 6px;
    margin-bottom: 22px;
}

.content .notice_item {
    font-size: 16px;
    display: block;
    color: #353535;
    margin-bottom: 22px;
}

.content .notice_item:hover {
    color: #64B8ED;
}

.content .contact_item {
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    
}

.content .contact_item:nth-child(1) {
    justify-content: space-between;
}

.content .contact_item img {
    width: 32px;
    height: auto;
    margin-right: 12px;
}

.content .contact_item .send {
    width: 100px;
    display: inline-block;
    text-align: center;
    line-height: 30px;
    color: #ffffff;
    height: 30px;
    background: #64B8ED;
    border-radius: 6px;
}

.content .notice_item img {
    width: 21px;
    height: auto;
    margin-right: 11px;
}

.kt_problem_box .box_item .enter_box {

}

.problem_list {
    padding: 36px 19px 50px 19px;
    background: #F9F9F9;
    flex: 1;
}

.problem_list .title {
    font-size: 44px;
    font-weight: bold;
    margin-bottom: 40px;
    color: #577DD6;
}

.problem_list .problem_item .item_box {
    margin-top: 40px;
}

.item_box .p_title {
    margin-bottom: 20px;
    font-size: 20px;
    color: #455E98;
    display: flex;
    align-items: center;
}

.item_box .p_title span:nth-child(1) {
    width: 50px;
    height: 50px;
    background: #D2F0FF;
    display: inline-block;
    text-align: center;
    ;line-height: 50px;
    margin-right: 13px;
    font-size: 26px;
    color: #455E98;
}

.item_box .a_content {
    padding: 20px 14px 20px 14px;
    background: #FFFFFF;
    box-shadow: 0px 5px 15px 0px rgba(46, 80, 255, 0.05);
    font-size: 16px;
    color: #3D3D3D;
    line-height: 30px;
}

.item_box .a_content a {
    color: #26A4D5;
}

.swiper-container {
  width: 100%;
  height: 100%;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}