body, div, p {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

ul {
    margin-top: 0;
    margin-bottom: 0;
}

::selection {
    background-color: #007FDF;
    color: #fff;
}

::-webkit-selection {
    background-color: #007FDF;
    color: #fff;
}

::-moz-selection {
    background-color: #007FDF;
    color: #fff;
}

#container {
    width: 100%
}

/* 顶部标题 */

#header {
    width: 100%;
    height: 800px;
    position: relative;
    padding-top: 170px;
    box-sizing: border-box;
    background-image: linear-gradient(-216deg, #5A97FF 0%, #41B9FF 100%);
    overflow: hidden;
}

#header img {
    position: absolute;
    top: 0%;
    display: inline-block;
    width: 100%;
    min-width: 1200px;
    animation: caseSelectionMove 50s linear 0s infinite;
}

@keyframes caseSelectionMove {
    0% {
        top: 0px;
    }
    100% {
        top: -1239px;
    }
}

.header_title_wrap {
    width: 800px;
    margin-right: auto;
    margin-left: auto;
}

.header_title {
    font-size: 64px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
    line-height: 90px;
    margin-bottom: 20px;
}

.header_title_wrap p {
    line-height: 28px;
    font-size: 20px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
}

/* 中间内容 */

#middle {
    width: 100%;
    background: rgba(244, 247, 249, 1);
    z-index: 100;
}

#middle .mid_content {
    width: 1300px;
    padding-bottom: 60px;
    margin: 0 auto;
    position: relative;
    margin-top: -380px;
    background: rgba(255, 255, 255, 1);
    border-radius: 10px 10px 0 0;
}

.mid_content .case_top {
    width: 100%;
    height: 558px;
    background: linear-gradient(181deg, #FFFFFF 0%, #ECF5FF 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
}

.case_top .pdf_img {
    width: 650px;
    height: 433px;
    margin-left: 20px;
}

.case_top .arrow_ani {
    width: 72px;
    height: 72px;
    margin-left: 30px;
    margin-right: 60px;
    background-image: url(/assets/images/caseSelection/featured_cases/case_move_right.svg);
}

.top_text .title {
    font-size: 36px;
    font-weight: 600;
    color: #000000;
    line-height: 50px;
    text-align: left;
}

.top_text .text {
    margin-top: 36px;
    font-size: 20px;
    color: #000000;
    line-height: 28px;
}

.top_text .top_download {
    margin-top: 40px;
    display: inline-block;
    background: #007FDF;
    border-radius: 2px;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 22px;
    padding: 9px 20px;
    position: relative;
    transition: transform 0.3s linear;
}

.top_text .top_download:hover {
    transform: translateY(-2px);
}

.top_text .top_download a {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

/* 精选案例 */

.mid_content .case_list {
    padding-top: 120px;
}

.case_list>.title {
    font-size: 36px;
    font-weight: 500;
    color: #1A2736;
    line-height: 40px;
    text-align: center;
}

.case_list .case_type {
    margin: 60px 50px 65px;
    padding: 0 70px;
    border-bottom: 1px solid #575757;
    position: relative;
}

.case_list .case_type .type_container {
    display: flex;
    justify-content: space-between;
    min-width: 850px;
}

.case_list .case_type .text {
    font-size: 22px;
    font-weight: 500;
    color: #575757;
    line-height: 30px;
    padding-bottom: 6px;
    cursor: pointer;
}

.case_type .text.active, .case_type .text.Hactive {
    color: #007FDF;
}

.case_list .case_type>.line {
    position: absolute;
    bottom: -2px;
    left: 70px;
    width: 154px;
    height: 4px;
    padding-bottom: 0;
    background-color: #007FDF;
    border-radius: 2px;
    transition: all ease-in-out 0.3s;
}

/* 案例样板间 */

.good_cases {
    margin: 80px 50px 0;
}

.good_cases>.title {
    font-size: 36px;
    font-weight: 500;
    color: #222F3D;
    line-height: 40px;
    text-align: center;
}

.good_cases>.desc {
    width: 845px;
    margin: 20px auto 60px;
    font-size: 16px;
    color: #222F3D;
    line-height: 30px;
    text-align: center;
}

.good_case_list {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
}

.good_case_list .list_item {
    width: 285px;
    height: 183px;
    background: #FFFFFF;
    margin-right: 20px;
    margin-bottom: 16px;
}

.good_case_list .list_item:nth-child(4n) {
    margin-right: 0;
}

.list_item img {
    border-radius: 4px;
}

.list_item>.content {
    background: #FFFFFF;
    overflow: hidden;
    position: relative;
    height: 100%;
    width: 100%;
}

.list_item .content .mask {
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    border-radius: 4px;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
}

.content .mask .item_text {
    width: 90%;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 20px;
    position: absolute;
    left: 50%;
    bottom: 80px;
    transform: translateX(-50%);
    text-align: center;
}

.content .mask .item_more {
    width: 90px;
    height: 22px;
    border: 1px solid #FFFFFF;
    font-size: 12px;
    color: #FFFFFF;
    line-height: 20px;
    text-align: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 40px;
    transition: all 0.3s linear;
    border-radius: 2px;
}

.content .mask .item_more:hover {
    background: #FFFFFF;
    color: #007FDF;
}

.content .mask .item_more a {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.list_item:hover .show_text {
    display: none;
}

.list_item:hover .mask {
    display: block;
}

.list_item .content .show_text {
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    color: #FFFFFF;
    line-height: 36px;
    text-shadow: 0px 4px 6px #000000;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* 支持与服务 */

.case_support {
    width: 1200px;
    margin: 90px auto 0;
}

.case_support>.title {
    font-size: 36px;
    font-weight: 500;
    color: #222F3D;
    line-height: 40px;
    text-align: center;
}

.case_support>.desc {
    font-size: 16px;
    color: #222F3D;
    line-height: 30px;
    text-align: center;
    margin-top: 20px;
    margin-bottom: 40px;
}

.case_support>.support_type {
    width: 1080px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    text-align: center;
}

.support_type .support_item {
    margin-bottom: 20px;
    height: 132px;
    width: 346px;
    background: #F4F7F9;
    border-radius: 4px;
    position: relative;
    transition: all .3s ease-in-out;
}
.support_item:hover{
    background: #F2FAFF;
    transform: translateY(-10px);
}

.support_item:hover .icon {
    background-position-y: 0;
}

.support_item:hover .support_text {
    color: #007FDF;
}

.support_item>a {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.support_item>.icon {
    width: 56px;
    height: 56px;
    margin: 20px auto 10px;
    background-position-y: -56px;
    background-image: url(/assets/images/caseSelection/featured_cases/support_icon.svg);
}

.support_item>.icon1 {
    background-position-x: 0;
}

.support_item>.icon2 {
    background-position-x: -56px;
}

.support_item>.icon3 {
    background-position-x: -112px;
}

.support_item>.support_text {
    font-size: 18px;
    font-weight: 500;
    color: #37475A;
    line-height: 24px;
}

/* 案例列表 */

.cases_content {
    display: flex;
    flex-wrap: wrap;
    margin-left: 50px;
    margin-right: 50px;
    margin-bottom: 40px;
}

.cases_content .item_mr0 {
    margin-right: 0;
}

.cases_content .item_case_hover {
    box-shadow: 0px 5px 20px 0px rgba(94, 105, 120, 0.1);
    transform: translateY(-5px);
}

.cases_content .item_case {
    position: relative;
    width: 280px;
    margin-right: 20px;
    height: 352px;
    background: rgba(255, 255, 255, 1);
    border-radius: 4px;
    border: 1px solid rgba(203, 237, 255, 1);
    padding: 30px 40px 30px;
    cursor: pointer;
    margin-bottom: 20px;
    transition: all 0.1s 0.1s linear;
}

.cases_content .item_case_hide {
    display: none;
}

.cases_content .item_case .awards_img {
    display: none;
    position: absolute;
    top: 0;
    right: 20px;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
}

.cases_content .item_case .case_logo {
    width: 100%;
    height: 80px;
    margin: 0 auto;
}

.item_case .case_logo img {
    max-width: 100%;
    max-height: 80px;
    height: auto;
    width: auto;
}

.cases_content .item_case .case_title {
    /*height: 36px;*/
    font-size: 18px;
    font-weight: 500;
    color: rgba(26, 39, 54, 1);
    line-height: 36px;
    margin-top: 10px;
    margin-bottom: 10px;
    text-align: center;
}

.cases_content .item_case .case_description {
    height: 120px;
    font-size: 14px;
    color: rgba(26, 39, 54, 1);
    line-height: 24px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    text-align: justify;
}

.cases_content .item_case .case_more {
    font-size: 14px;
    line-height: 20px;
    margin-top: 16px;
    text-align: center;
}

.item_case .case_more i {
    margin-left: 10px;
    width: 12px;
    height: 10px;
    display: inline-block;
    background-image: url('/assets/images/caseSelection/case_arrow.svg');
    background-position: center;
    background-repeat: no-repeat;
}

.item_case .case_more .active {
    background-image: url('/assets/images/caseSelection/arrow_detail.svg') !important;
}

.item_case .case_more i img {
    vertical-align: middle;
}

/* 空状态 */

.empty {
    margin: 0 auto;
    margin-top: 130px;
    margin-bottom: 160px;
}

.empty .empty_con {
    margin: 0 auto;
    width: 140px;
    height: 110px;
    background: url(/assets/images/empty_state.svg);
}

.empty .empty_title {
    text-align: center;
    font-size: 16px;
    line-height: 32px;
    margin-top: 16px;
    color: #97a4b6;
}

@media screen and (max-width: 1420px) {
    #middle .mid_content {
        width: 90%;
    }

    .case_top .arrow_ani {
        margin: 30px 0;
        transform: rotate(90deg);
    }
    .cases_content .item_case {
        width: 32%;
        margin-left: 0;
        margin-right: 0;
    }
    .cases_content .item_case:nth-child(3n+2) {
        margin-left: 2%;
        margin-right: 2%;
    }
    .case_top .top_text {
        margin-bottom: 50px;
    }
    .top_text .text {
        text-align: center;
    }
    .top_text .top_download {
        left: 50%;
        transform: translateX(-50%);
    }
    .good_cases>.desc {
        width: 100%;
    }
    .good_case_list {
        width: 895px;
        margin-left: auto;
        margin-right: auto;
    }
    .good_case_list .list_item:nth-child(4n) {
        margin-right: 20px
    }
    .good_case_list .list_item:nth-child(3n) {
        margin-right: 0;
    }
    .case_support {
        width: 100%;
    }
    .case_support>.support_type {
        width: 95%;
    }
    .support_type .support_item {
        width: calc((100% - 40px) / 3);
    }
}

@media screen and (max-width: 1180px) {
    .case_list .case_type {
        overflow-x: scroll;
    }
    .case_list .case_type>.line {
        display: none;
    }
}

@media screen and (max-width: 1110px) {
    .good_case_list {
        width: 595px;
    }
    .good_case_list .list_item:nth-child(3n) {
        margin-right: 20px
    }
    .good_case_list .list_item:nth-child(even) {
        margin-right: 0;
    }
}

@media screen and (max-width: 980px) {
    #middle .mid_content {
        flex-direction: column;
        padding: 30px 40px 0;
    }
    .header_title_wrap {
        width: 90%;
    }
    .cases_content .item_case {
        width: 49%;
        margin-left: 0;
        margin-right: 0;
    }
    .cases_content .item_case:nth-child(3n+2) {
        margin-left: auto;
        margin-right: auto;
    }
    .cases_content .item_case:nth-child(even) {
        margin-left: 2%;
        margin-right: 0;
    }
    .case_list .case_type, .cases_content {
        margin-left: 0;
        margin-right: 0;
    }
    .good_cases {
        margin-left: auto;
        margin-right: auto;
    }
    .case_support>.support_type {
        width: 100%;
    }
}

@media screen and (max-width: 800px) {
    .cases_content .item_case {
        width: 80%;
        margin: 0 auto 20px !important;
    }
    .case_top .pdf_img {
        width: 100%;
        height: auto;
    }
    #middle .mid_content {
        padding-left: 15px;
        padding-right: 15px;
    }
    .case_support>.support_type {
        flex-direction: column;
        align-items: center;
    }
    .support_type .support_item {
        width: 80%;
    }
}

@media screen and (max-width: 750px) {
    .good_case_list {
        width: 285px;
    }
    .good_case_list .list_item {
        margin-right: 0 !important;
    }
}

@media screen and (max-width: 600px) {
    .cases_content .item_case {
        width: 100%;
    }
    .support_type .support_item {
        width: 100%;
    }
}