body {
    overflow: auto;
}

.banner {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.video_box {
    width: 100%;
    height: 100%;
}

#v1 {
    width: 100%;
    height: 100%;
    object-fit: fill;
}

.banner_box {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .5);
}

.banner_box img {
    width: 80%;
}

.banner_box .text {
    font-size: 50px;
    font-weight: bold;
    font-family: "Arial";
    color: #fff;
    margin-top: 40px;
}

.banner_box .btn_flex {
    display: flex;
    width: 980px;
    justify-content: space-between;
    margin-top: 30px;
}

.banner_box .item {
    width: 48%;
    line-height: 93px;
    text-align: center;
    color: #fff;
    border-radius: 5px;
    background-color: rgb(18, 68, 136, .45);
    font-size: 20px;
    cursor: pointer;
    font-family: "Arial";
}

#fixed {
    position: static;
    top: 0px;
    width: 100%;
    background-color: #000;
    z-index: 999;
}

.header_box {
    width: 100%;
    height: 7.6vh;
    background-color: #000;
    width: 62.5%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header_box .header_center {
    width: 50%;
    height: 50%;
    position: relative;
}

.header_box .header_center .input {
    width: 100%;
    height: 100%;
    background-color: #f5f5f5;
    border: 1px solid #ccc;
    border-radius: .5rem;
    box-sizing: border-box;
    padding: 0 10% 0 1rem;
}

.header_box .header_center .search {
    width: 10%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 0;
    top: 0;
    border-top-right-radius: .5rem;
    border-bottom-right-radius: .5rem;
    background-color: #00458d;
    color: #fff;
    cursor: pointer;
}

.header_box .header_right {
    width: 5%;
    font-size: 1.4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.6);
}

.header_box .header_left {
    width: 15%;
    cursor: pointer;
}

.header_box .header_left img {
    width: 100%;
    height: auto;
}

.header_box .header_right .active {
    color: white;
}

.heightbox {
    background-color: #e6e6e6;
}

/* page2 */
.page2 {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 50px;
    padding-top: 50px;
    background-color: #e6e6e6;
}

.page2_title {
    font-family: "ArialBlack";
    text-align: center;
    color: #000;
    font-size: 60px;
}

.page2_text {
    margin-top: 50px;
}

.page2_text p {
    color: #03124b;
    font-family: "Arial";
    font-size: 25px;
    line-height: 1.7;
    text-align: center;
}

.page2 .card_flex {
    width: 980px;
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
}

.page2 .card_flex .card {
    width: 47%;
    background-color: #fff;
    padding: 20px 20px 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page2 .card_flex .card_title {
    font-size: 33px;
    font-family: "ArialBlack";
}

.page2 .card_text {
    flex: 1;
}

.page2 .card_text p {
    font-size: 25px;
    color: #124488;
    line-height: 1.5;
    font-family: "Arial";
}

.page2 .tap {
    width: 100%;
    border-radius: 5px;
    line-height: 93px;
    color: #fff;
    font-size: 20px;
    text-align: center;
    background-color: #124488;
    margin-top: 30px;
    cursor: pointer;
}

.banner2 {
    position: relative;
}

.banner2_box {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.banner2_title {
    font-size: 60px;
    text-align: center;
    color: #fff;
    font-family: "ArialBlack";
}

.banner2 .text_wrap {
    display: flex;
    justify-content: space-between;
    width: 1100px;
    margin: 20px auto 0;
}

.banner2 .text_wrap .num {
    font-family: "ArialBlack";
    font-size: 60px;
    color: #fff;
    font-weight: bold;
    display: flex;
}

.banner2 .text_wrap .en {
    font-size: 20px;
    color: #fff;
}

.page3_title {
    font-size: 60px;
    text-align: center;
    margin-top: 40px;
    font-family: "ArialBlack";
    color: #000;
}

.page3_img {
    width: 980px;
    margin: 50px auto 0px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page3_img a {
    width: 47%;
}

.page3_text {
    width: 980px;
    margin: 100px auto 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.page3_text_left {
    width: 47%;
}

.page3_text_right {
    width: 47%;
}

.page3_text_right .slide {
    margin-bottom: 10px;
}

/* .page3_text_right {
    height: 700px;
    overflow-y: auto;
} */

.page3_text_left_title {
    font-size: 33px;
    font-family: "ArialBlack";
}

.page3_text_left .text {
    font-size: 17px;
    margin-top: 30px;
}

.swiper {
    width: 100%;
    height: 700px;
}

.page4 {
    width: 980px;
    margin: 80px auto 0;
    padding-bottom: 50px;
}

.page4_title {
    font-size: 60px;
    font-family: "ArialBlack";
    font-weight: bold;
}

.page4 .txt {
    font-size: 25px;
    width: 96%;
    margin-bottom: 10px;
    font-family: "Arial";
}

.page4_title2 {
    font-size: 33px;
    margin: 80px auto;
    font-family: "ArialBlack";
    text-align: center;
}

.page4_wrap {}

.page4_wrap .item {
    cursor: pointer;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.page4_wrap .item .item1 {
    width: 48%;
    background-color: #efefef;
    text-align: center;
    border-radius: 5px;
    line-height: 1.5;
    padding: 15px;
}

.page4_wrap .item .item2 {
    line-height: 1.5;
    padding: 15px;
    width: 48%;
    background-color: #fff;
    text-align: center;
    border-radius: 5px;
}

.more {
    margin: 40px auto;
    width: 600px;
    height: 46px;
    background-color: #2c3884;
    border-radius: 23px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 25px;
    font-family: "Arial";
    cursor: pointer;
}

.more span {
    font-weight: bold;
    display: block;
    margin-left: 5px;
}

.page4_list_item {
    display: flex;
    margin-bottom: 50px;
    cursor: pointer;
    align-items: center;
}

.page4_list_item .icon {
    width: 88px;
    margin-right: 20px;
}

.page4_list_item .title {
    font-size: 33px;
    font-family: "ArialBlack";
    line-height: 1.5;
}

.page4_list_item .time {
    font-size: 20px;
    color: #9b9b9b;
}

.footer {
    background-color: #000;
}

.footer_center {
    width: 980px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
}

.footer_center .footer_left {
    width: 60%;
    padding-top: 20px;
}

.footer_center .title {
    font-size: 33px;
    color: #fff;
    font-family: "ArialBlack";
}

.footer_center .txt {
    font-size: 25px;
    color: #fff;
    margin-top: 20px;
}

.footer_center .faq {
    background-color: #2c3884;
    color: #fff;
    width: 400px;
    line-height: 46px;
    border-radius: 27px;
    font-size: 36px;
    font-family: "Arial";
    text-align: center;
    margin-top: 20px;
}

.footer_center .in {
    display: inline-block;
    color: #fff;
    font-size: 36px;
    font-family: "Arial";
    padding: 5px;
    border-radius: 5px;
    background-color: #0066c8;
    line-height: 1;
    margin-bottom: 20px;
}

.footer_txt {
    border-top: 1px solid #333333;
    padding: 30px 20px 20px;
    color: #fff;
    font-size: 14px;
    text-align: right;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer_txt img {
    width: 30px;
    display: inline-block;
}

.footer_txt a {
    display: flex;
    align-items: center;
    margin-left: 10px;
    color: #fff;
}

.masks_yuding {
    position: absolute;
    left: 50%;
    top: 5%;
    width: 40rem;
    border-radius: 2rem;
    background-color: #fff;
    box-shadow: 0px 22px 65px 0px rgba(74, 74, 74, 0.12);
    padding: 2rem;
    transform: translate(-50%, 0);
}

.masks .box {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
}

.masks_yuding .box2 {
    font-size: 1.4rem;
    color: #000;
    font-weight: bold;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #00458d;
    padding-bottom: 1rem;
}

.masks_yuding .input_box {
    padding: 1rem;
    box-sizing: border-box;
    background-color: #f6f6f6;
    border-radius: 1rem;
    margin-top: 1rem;
    position: relative;
    display: flex;
    justify-content: space-between;
}

.masks_yuding .input_box input {
    background-color: #f6f6f6;
    font-size: 1.3rem;
    width: 100%;
    padding-right: 2rem;
    box-sizing: border-box;
    box-shadow: none;
}

.masks_yuding .input_box textarea {
    background-color: #f6f6f6;
    font-size: 1.3rem;
    width: 100%;
    height: 7.2rem;
    padding-right: 2rem;
    box-sizing: border-box;
    resize: none;
    box-shadow: none;
}

.upload_icon {
    width: 100%;
    height: 7.2rem;
    overflow: hidden;
}

#upload_img {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
}

.imgMains {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 0;
}

.imgMains img {
    width: 100%;
    height: auto;
}

.upload_icon img {
    width: 100%;
    height: auto;
}

.masks_yuding .flex {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.masks_yuding .flex>div {
    width: 48%;
}

.masks {
    position: fixed;
    left: 0;
    top: 0;
    width: 100vw !important;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
    display: none;
}

.tijiao {
    padding: 1.4rem;
    box-sizing: border-box;
    background-color: #00458d;
    color: #fff;
    border-radius: 1rem;
    margin-top: 6rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.RegistrationForm {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 1100px;
    transform: translate(-50%, -50%);
}

.RegistrationForm .close2 {
    position: absolute;
    right: 50px;
    top: 50px;
    width: 20px;
    z-index: 99;
}

.form_box {
    width: 60%;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 9;
    height: 100%;
    padding: 50px;
}

.form_box .form_title {
    font-family: "ArialBlack";
    text-align: center;
    font-size: 33px;
    margin-bottom: 20px;
}

.form_item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.form_item .form_label {
    width: 220px;
    font-size: 23px;
}

.form_item input {
    border: 1px solid #ccc;
    border-radius: 5px;
    flex: 1;
    margin-left: 20px;
    height: 42px;
}