h1,
h2,
h3,
ul,
li,
p {
    margin: 0;
    padding: 0;
    user-select: text;
}

/*背景图居中*/
.bg_center {
    background-position: center center;
}

/*轮播隐藏*/
.swiper-hidden {
    overflow: hidden;
}

/*通用标题*/
.md_title {
    text-align: center;
}

.md_title>h2 {
    text-transform: uppercase;
    font-size: 80px;
    font-weight: bold;
    color: rgba(198, 198, 198, 1);
    line-height: 80px;
    opacity: 0.15;
    padding-top: 28px;
}

.md_title>h3 {
    margin-top: -35px;
    font-size: 36px;
    font-weight: 400;
    color: rgba(48, 48, 48, 1);
    line-height: 36px;
}

.md_title>h3>span {
    color: #0057FF;
}

.md_title>p {
    margin-top: 14px;
    font-size: 18px;
    font-weight: 400;
    color: rgba(153, 153, 153, 1);
    line-height: 18px;
}



/*第一模块*/

.md-one img {
    max-width: 100%;
}

/*第二模块——内容*/
.md-tow {
    height: 780px;
}

.md-tow_content p {
    margin: 35px auto 100px;
    width: 86.43%;
    font-size: 18px;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    line-height: 36px;
}

.md-tow_content p>span {
    color: #388CFF;
}

.md-tow_content>img {
    margin-top: 10px;
    max-width: 100%;
}

/*第三模块*/
.md-three {
    height: 780px;
    background: linear-gradient(57deg, rgba(132, 169, 240, 0.5) 0%, rgba(146, 213, 255, 0.5) 100%);
}

/*内容*/
.md-three_content {
    position: relative;
    width: 36.72%;
    display: block;
    margin: 78px auto 0;
}

.md-three_01-img {
    display: block;
    position: relative;
    z-index: 10;
    max-width: 100%;
}

/*点*/
.din_1 {
    position: absolute;
    top: 1px;
    left: 30.30%;
}

.din_2 {
    position: absolute;
    top: 11.07%;
    left: 81.82%;
}

.din_3 {
    position: absolute;

    top: 53.98%;
    left: -8px;
}

/*模块三 通用DIV*/
.md-three_div {
    width: 66.14%;
    position: absolute;
    top: 0;
    background: rgba(255, 255, 255, 1);
    border-radius: 15px;
    transition: all 0.3s;
}

.md-three_div:hover {
    transform: translateY(-5px);
}

.md-three_div>h3 {
    height: 60px;
    background: linear-gradient(99deg, rgba(56, 140, 255, 1) 0%, rgba(94, 208, 255, 1) 99%);
    border-radius: 15px 15px 0px 0px;

    font-size: 24px;
    font-weight: bold;
    color: rgba(255, 255, 255, 1);
    line-height: 60px;
    text-align: center;
}

.md-three_div>div {
    height: 37.5%;
    padding: 5.25% 30px;
}

.md-three_div>div>p {
    font-size: 0.875rem;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    line-height: 1.75rem;
}

.md-three_div>div>p:first-child {
    margin-bottom: 3px;
}

.md-three_div::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 0px;
    top: 34px;
    right: 0;
    border-top: 1px dashed white;
}

/*设计师*/
.md-three_assistant {
    top: 49.13%;
    left: -80.77%;
}

.md-three_assistant::after {
    width: 58px;
    right: -58px;
}

/*设计师*/
.md-three_designer {
    top: -28px;
    left: -80.77%;
}

.md-three_designer::after {
    width: 65.59%;
    right: -65.59%;
}

/*资深结构设计*/
.md-three_structure {
    top: 7.37%;
    left: 110%;
}

.md-three_structure::after {
    width: 29%;
    left: -29%;
}


/* 制定课程 */
.md_developing {
    height: 820px;
}

.md_developing_list {
    margin-top: 69px;
    display: flex;
    justify-content: center;
}

.md_developing_list>li {
    width: 28.57%;
    height: 560px;
    margin: 0 10px;
    position: relative;
    transition: all 0.3s;
}
.developing_li_active{
    transform: translateY(-26px)
}
.developing_list_top {
    width: 100%;
    height: 140px;
}

.developing_list_top>h3 {
    margin: -1px;
    text-align: center;
    font-size: 26px;
    line-height: 32px;
    font-weight: bold;
    color: rgba(22, 22, 22, 1);
    padding-top: 22px;
}

.developing_list_bot {
    text-align: center;
}

.developing_list_bot>h2 {
    font-size: 20px;
    line-height: 20px;
    font-weight: bold;
    margin-top: 19px;

}

.developing_list_bot>h3 {
    margin: 19px 0;
    font-weight: bold;
    font-size: 16px;
    line-height: 16px;
}

.developing_list_bot>p {
    display: inline-block;
    text-align: left;
    font-size: 14px;
    line-height: 30px;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);

}

.md_developing_list>li>button {
    width: 160px;
    height: 40px;

    position: absolute;
    left: 50%;
    bottom: 31px;
    transform: translateX(-50%);

    outline: none;
    border: 0;

    font-size: 18px;
    line-height: 40px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);

}

/* 色值 */
.developing_li_blue {
    border: 1px solid rgba(101, 146, 255, 1);
}

.developing_li_blue .developing_list_top {
    background: rgba(101, 146, 255, 1);
}

.developing_li_blue .developing_list_bot>h2 {
    color: rgba(101, 146, 255, 1);
}
.developing_li_blue>button{
    background:rgba(101,146,255,1);
}

/* 绿 */
.developing_li_green {
    border: 1px solid #13B5B1;
}

.developing_li_green .developing_list_top {
    background: #13B5B1;
}

.developing_li_green .developing_list_bot>h2 {
    color: #13B5B1;
}
.developing_li_green>button{
    background:#13B5B1;
}

/* 黄 */
.developing_li_yellow {
    border: 1px solid #F8B551;
}

.developing_li_yellow .developing_list_top {
    background: #F8B551;
}

.developing_li_yellow .developing_list_bot>h2 {
    color: #F8B551;
}
.developing_li_yellow>button{
    background:#F8B551;
}



















/*第四模块*/
.md-four {
    height: 750px;
    background: rgba(243, 246, 251, 1);
}

/**/
.md-four_content {
    width: 70%;
    margin: 133px auto 0;
    position: relative;
}

/*坐标点*/
.spot_tu1 {
    background: url("../img/tu-1.png") no-repeat;
    background-size: 100% 100%;
}

.spot_tu2 {
    background: url("../img/tu-2.png") no-repeat;
    background-size: 100% 100%;
}

.md-four_spot {
    height: 60px;
    z-index: 10;
    padding: 0 18px;
    position: absolute;
    font-size: 16px;
    font-weight: bold;
    color: rgba(0, 87, 255, 1);
    line-height: 50px;
}

.md-four_spot::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: url("../img/dian.png") no-repeat;
}

/*助理*/
.md-four_assistant {
    width: 103px;
    height: 59px;
    bottom: 17px;
    left: 37px;
}

.md-four_assistant::after {
    bottom: -20px;
    left: 0;
}

/*结构设计师*/
.md-four_designer {
    width: 126px;
    height: 60px;
    bottom: 78px;
    left: 183px;
}

.md-four_designer::after {
    bottom: -20px;
    right: 10px;
}

/*资深结构设计师*/
.md-four_senior {
    width: 150px;
    height: 60px;
    left: 38.5%;
    bottom: 54.65%;
}

.md-four_senior::after {
    bottom: -20px;
    right: 10px;
}

/*项目工程师*/
.md-four_project {
    width: 120px;
    height: 60px;
    left: 55.06%;
    bottom: 79.55%;
}

.md-four_project::after {
    bottom: -20px;
    right: 10px;
}

/*结构总监*/
.md-four_director {
    width: 100px;
    left: 80.06%;
    bottom: 89.65%;
}

.md-four_director::after {
    bottom: -20px;
    right: 10px;
}

/*项目总监*/
.md-four_pd {
    width: 100px;
    left: 91.06%;
    bottom: 102.65%;
}

.md-four_pd::after {
    bottom: -20px;
    right: 10px;
}

/*Y列表*/
.md-four_y_List {
    position: absolute;
    top: -121px;
    width: 100%;
    z-index: 1;
}

.md-four_y_List>li {
    height: 5rem;
    border-bottom: 1px solid rgba(216, 223, 240, 1);
}

.md-four_y_List>li>span {
    display: inline-block;
    width: 90px;
    transform: translate(-100px, 70px);
    text-align: right;

    font-size: 18px;
    line-height: 18px;
    font-weight: 400;
    color: rgba(144, 156, 176, 1);
}

/*X列表*/
.md-four_x_List {
    position: absolute;
    width: 100%;
    bottom: -90px;
    display: flex;
    justify-content: space-between;
}

.md-four_x_List>li {
    font-size: 18px;
    font-weight: 400;
    color: rgba(144, 156, 176, 1);
    line-height: 28px;
}


/*第五模块*/
.md-five {
    height: 795px;
}

.md-five_content {
    width: 100%;
    margin-top: 36px;
}

.md-five_ul {
    width: 1020px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}

.md-five_ul>li {
    position: relative;
    width: 340px;
    height: 280px;
    padding: 0 30px;
    text-align: center;
    background: rgba(255, 255, 255, 1);
    border: 1px solid rgba(220, 220, 220, 1);
}

.md-five_ul>li:nth-child(n) {
    margin-top: -1px;
}

.md-five_ul>li:nth-child(3n+2) {
    border: 0;
    border-top: 1px solid rgba(220, 220, 220, 1);
    border-bottom: 1px solid rgba(220, 220, 220, 1)
}

.md-five_active {
    background: rgba(56, 140, 255, 1) !important;
    border: 1px solid rgba(56, 140, 255, 1) !important;
    color: white !important;
}

.md-five_active>* {
    color: white !important;
}

.md-five_active>span {
    background: white !important;
}

.md-five_ul>li>h2 {
    font-size: 36px;
    font-weight: bold;
    color: #999999;
    line-height: 36px;
    margin: 38px auto 27px;
}

.md-five_ul>li>h3 {
    font-size: 18px;
    font-weight: bold;
    color: #303030;
    line-height: 18px;
    margin-bottom: 18px;
}

.md-five_ul>li>p {
    font-size: 14px;
    text-align: left;
    font-weight: 400;
    color: #303030;
    line-height: 28px;
}

.md-five_ul>li>span {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 50px;
    width: 40px;
    height: 2px;
    background: #999999;
}

.md_one_swiper-pagination {
    position: absolute;
    bottom: 0;
    z-index: 10;
    text-align: center;
}

.swiper-pagination-bullet {
    background: #DCDCDC;
}

.swiper-pagination-bullet-active {
    background: #E5E5E5;
}


/*第六模块*/
.md-six {
    height: 700px;
    background: linear-gradient(184deg, rgba(94, 197, 255, 1) 0%, rgba(90, 132, 255, 1) 100%);
}

.md-six .md_title>* {
    color: white;
}

/*列表*/
.md-tow_box_list {
    width: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 14px;
}

.md-tow_box_list li {
    width: 12.89%;
    height: 140px;
    background: rgba(255, 255, 255, 1);

    margin-top: 22px;
    position: relative;
}

.md-tow_box_list h3 {
    font-size: 85px;
    font-weight: bold;
    color: rgba(51, 140, 255, 1);
    line-height: 85px;
    opacity: 0.1;
}

.md-tow_box_list p {
    width: 91px;
    font-size: 18px;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    line-height: 22px;
    text-align: center;
}

/*第七模块*/
.md-seven {
    height: 680px;
}

/*列表*/
.md-seven_list {
    display: flex;
    display: -ms-flexbox;
    justify-content: space-between;

    margin-top: 60px;
    padding: 0 60px;

}

.md-seven_list>li {
    position: relative;
    width: 23.5%;
    height: 420px;
    border: 1px solid rgba(220, 220, 220, 1);
    border-radius: 10px;
    transition: all 0.3s;
}

.md-seven_img {
    position: absolute;
    left: 50%;
    top: 29px;
    transform: translateX(-50%);
}

.seven_img_1 {
    display: block;
}

.seven_img_2 {
    display: none;
}

.md-seven_li_div {
    text-align: center;
    padding: 116px 34px 0;
}

.md-seven_li_div>h2 {
    font-size: 34px;
    font-weight: bold;
    color: rgba(56, 140, 255, 1);
    line-height: 34px;
    margin-bottom: 20px;
}

.md-seven_li_div>span {
    display: block;
    margin: 0 auto 13px;
    width: 40px;
    height: 4px;
    background: rgba(153, 153, 153, 1);
}

.md-seven_li_div>h3 {
    font-size: 20px;
    font-weight: bold;
    color: rgba(102, 102, 102, 1);
    line-height: 20px;
    margin-bottom: 42px;
}

.md-seven_li_div>p {
    font-size: 16px;
    text-align: left;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    line-height: 28px;
}

/*移入效果*/
.md-seven_active {
    transform: translateY(-20px);
    background: rgba(56, 140, 255, 1);
    border: 1px solid rgba(56, 140, 255, 1) !important;
}

.md-seven_active .md-seven_li_div>* {
    color: #FFFFFF !important;
}

.md-seven_active .md-seven_li_div>span {
    background: #FFFFFF;
}

/*第八模块*/
.md-eight {
    height: 300px;
}

.md-eight_box {
    text-align: center;
}

.md-eight_box>h1 {
    padding-top: 56px;
    font-size: 80px;
    font-weight: bold;
    color: rgba(255, 255, 255, 1);
    line-height: 80px;
}

.md-eight_box>h2 {
    margin-top: 20px;
    font-size: 30px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 30px;
}

.md-eight_but {
    margin-top: 34px;
    width: 180px;
    height: 40px;
    outline: none;
    border: 0;
    background: #FFE600;

    font-size: 18px;
    font-weight: 400;
    color: rgba(48, 48, 48, 1);
    line-height: 40px;
}

.md-eight_but:hover {
    background: #FFB800;
}

/*第九模块*/
.md-nine {
    height: 1193px;
}

/**/
.md-nine_list {
    display: flex;
    display: -ms-flexbox;
    -ms-flex-pack: justify;
    justify-content: space-between;
    flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    margin-top: 10px;
}

.md-nine_list>li {
    width: 47.5%;
    position: relative;
    height: 440px;
    margin-top: 50px;
}

.md-nine_img {
    position: absolute;
    z-index: 10;
    bottom: 0;
}

.md-nine_img_3 {
    left: -50px;
}

.nine_list_content {
    width: 42%;
    height: 340px;
    text-align: left;
    position: absolute;
    right: 30px;
    top: 32.27%;
}

.nine_list_content>h3 {
    font-size: 20px;
    font-weight: bold;
    color: rgba(0, 87, 255, 1);
    line-height: 20px;
    margin-bottom: 20px;
}

.nine_list_content>p {
    font-size: 16px;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    line-height: 28px;
}

.nine_list_name {
    padding: 21px 30px 0;
    position: absolute;
    width: 80%;
    bottom: 0;
    right: 0;
    height: 100px;
    background: rgba(56, 140, 255, 1);

    text-align: right;
    color: white;
}

.nine_list_name>h3 {
    font-size: 30px;
    font-weight: bold;
    color: rgba(255, 255, 255, 1);
    line-height: 30px;
    margin-bottom: 9px;
}

.nine_list_name>p {
    font-size: 20px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 20px;
}

/*第十模块*/
.md-ten {
    height: 835px;
}

/*表头*/
.md-ten_list {
    padding: 0 100px;
    margin-top: 35px;
}

.ten_list_head_ul {
    height: 80px;
    background: rgba(56, 140, 255, 1);
    display: flex;
    display: -ms-flexbox;
    justify-content: space-between;
}

.ten_list_head_ul>li {
    font-size: 18px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 80px;
    flex: 1;
    text-align: center;
}

.ten_list_head_ul>li:nth-child(3) {
    flex: 2;
}

/*表*/
.ten_list_content {
    height: 530px;
    padding: 20px 0;
    background: rgba(255, 255, 255, 1);
}

.ten_list_content_ul {
    width: 100%;
}

.ten_list_content_ul>li {}

/*表行内*/
.ten_content_ul_ul {
    display: flex;
    display: -ms-flexbox;
    justify-content: space-between;
    /*margin: 20px 0;*/
}

.ten_content_ul_ul:hover {
    background: rgba(245, 246, 247, 1);
}

.ten_content_ul_ul>li {
    height: 60px;
    line-height: 60px;
    font-size: 18px;
    color: #666666;
    flex: 1;
    text-align: center;
}

.ten_content_ul_ul>li:nth-child(3) {
    flex: 2;
}

/*第十一模块*/
.md-eleven {
    height: 1000px;
}

.md-eleven_swiper {
    margin-top: 53px;
}

.md-eleven_swiper-pagination {
    text-align: center;
    margin-top: 30px;
}

.swiper-pagination-bullet {
    background: #E5E5E5;
}

.swiper-pagination-bullet-active {
    background: #d2d2d2;
}

/*第十二模块*/
.md-twelve {
    /*height: 1200px;*/
}

.md-twelve_list {
    margin-top: 60px;
    padding: 0 8.57%;
}

.md-twelve_list>li {
    margin-bottom: 70px;
}

.md-twelve_list>li>h3 {
    font-size: 24px;
    font-weight: bold;
    color: rgba(56, 140, 255, 1);
    line-height: 24px;
    margin-bottom: 26px;
    position: relative;
}

.md-twelve_list>li>h3::after,
.md-twelve_list>li>p::after {
    content: 'Q';
    position: absolute;
    top: -5px;
    left: -52px;
    width: 36px;
    height: 36px;
    background: rgba(56, 140, 255, 1);
    border-radius: 50%;

    text-indent: 8px;
    font-size: 20px;
    font-weight: bold;
    color: rgba(255, 255, 255, 1);
    line-height: 35px;
}

.md-twelve_list>li>p {
    position: relative;
    font-size: 18px;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    line-height: 36px;
}

.md-twelve_list>li>p::after {
    content: 'A';
    background: rgba(235, 242, 254, 1);
    color: rgba(56, 140, 255, 1);
    top: 5px;
    text-indent: 10px;
}

/*第十三模块*/
.md-thirteen {
    height: 200px;
    text-align: center;
}

.md-thirteen h3 {
    font-size: 60px;
    font-weight: bold;
    color: rgba(255, 255, 255, 1);
    line-height: 60px;
    padding-top: 35px;
}

.md-thirteen_but {
    outline: none;
    border: 0;
    margin-top: 35px;
    width: 180px;
    height: 40px;
    background: #FFE600;

    font-size: 18px;
    font-weight: 400;
    color: rgba(48, 48, 48, 1);
    line-height: 40px;
}

.md-thirteen_but:hover {
    background: #FFB800;
}

/*1400缩放*/
@media screen and (max-width:1400px) {

    html,
    body {
        font-size: 12px;
    }

    .md-nine_img {
        left: -50px;
    }

    .md-nine_img_3 {
        left: -100px !important;
    }
}