.banner_width {
    width: 1340px;
    margin: auto;
}

.banner_column {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.banner_title {
    font-size: 42px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #333333;
    text-align: center;
}

.intro {
    background-image: url(../../images/2024_new/digitalFilm/banner.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    height: 660px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.intro_t {
    font-weight: 700;
    color: #ffffff;
    font-size: 42px;
}

.intro_exp {
    color: #ffffff;
    font-size: 28px;
    margin-top: 24px;
}

.tech {
    padding: 100px 0 54px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.banner_exp {
    margin-top: 56px;
    width: 1000px;
    color: #666666;
    font-size: 16px;
    text-align: center;
    line-height: 24px;
}

.tech img {
    margin-top: 32px;
    width: 800px;
}

.tech_illustrate {
    color: #666666;
    font-size: 16px;
    margin-top: 24px;
}

.advantage {
    background: #fbfbfb;
    padding: 70px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.advantage_m {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 1256px;
    margin-top: 56px;
}

.advantage_card {
    width: 392px;
    height: 326px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 9.7px 11px 14.2px rgba(187, 187, 187, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.advantage_card img {
    width: 60px;
    height: 60px;
    margin-top: 32px;
}

.advantage_card p {
    color: #333333;
    font-size: 20px;
    margin: 32px 0 16px 0;
}

.advantage_card span {
    width: 312px;
    color: #666666;
    font-size: 16px;
    text-align: justify;
}

.principle {
    padding: 100px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.principle_exp {
    margin-top: 56px;
    width: 1000px;
    color: #666666;
    font-size: 16px;
    text-align: center;
    line-height: 24px;
}

.principle_m {
    margin-top: 32px;
    width: 995px;
    height: 894px;
    display: flex;
    align-content: space-between;
    flex-wrap: wrap;
    justify-content: space-between;
}

.principle_card {
    height: 270px;
    background: rgba(201, 201, 201, 0.1);
    border: 1px dashed;
    border-color: #c9c9c9;
    border-radius: 8px;
    position: relative;
}

.principle_card1 {
    width: 383px;
}

.principle_card2 {
    width: 470px;
    display: flex;
}

.principle_dashed_x {
    width: 36px;
}

.principle_card>div {
    margin: 16px 0 0 32px;
}

.principle_card_t {
    color: #333333;
    font-size: 20px;
}

.principle_card_exp {
    color: #333333;
    font-size: 16px;
    margin-top: 16px;
}

.principle_card_rd {
    color: #666;
    font-size: 16px;
    margin-top: 16px;
}

.principle_card_img {
    margin-top: 16px;
}

.principle_dashed_y {
    position: absolute;
    width: 36px;
    bottom: -38px;
    height: 36px;
    left: 47%;
}

.device {
    background: #fbfbfb;
    padding: 70px 0;
}

.device_exp {
    color: #333333;
    font-size: 16px;
    margin-top: 56px;
}

.device_m {
    width: 1336px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 64px;
}

.device_card {
    width: 292px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.device_card_t {
    color: #333333;
    font-size: 20px;
}

.device_card_exp {
    color: #333333;
    font-size: 20px;
    margin-top: 16px;
}

.device_card_img {
    margin-top: 16px;
}

.device_card_b {
    width: 292px;
    height: 182px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 9.7px 11px 14.2px rgba(187, 187, 187, 0.2);
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.device_card_b>div {
    width: 200px;
    height: 142px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.device_card_item {
    color: #666666;
    font-size: 12px;
}

.attribute {
    padding: 100px 0 122px 0;
}

.attribute_m {
    width: 1140px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.attribute_block {
    display: flex;
    margin-bottom: 48px;
}

.attribute_block img {
    width: 50px;
    height: 50px;
    margin-right: 13px;
}

.attribute_block_t {
    color: #e7290f;
    font-size: 20px;
}

.attribute_block_exp {
    color: #666666;
    font-size: 16px;
    width: 404px;
    line-height: 24px;
    margin-top: 8px;
}

.programme {
    background: #fbfbfb;
    padding: 70px 0;
}

.programme img {
    width: 1223px;
    margin-top: 56px;
}

.service {
    padding: 100px 0 0 0;
}

.service_m {
    display: flex;
    justify-content: space-between;
    width: 1256px;
    margin-top: 56px;
}

.service_card {
    width: 600px;
    height: 660px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0px 13px 20.4px 10px rgba(216, 216, 216, 0.1);
}

.service_card p {
    width: 189px;
    height: 54px;
    background: #e7290f;
    border-radius: 0px 8px 8px 0px;
    color: #ffffff;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 54px;
}

.service_card img {
    margin: 0 auto;
    display: block;
    margin-top: 116px;
}

.case {
    padding: 150px 0 70px 0;
}

.case_m {
    width:1335px;
    margin-top: 56px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
}

.case_card {
    position: relative;
    width: 413px;
    height: 283px;
    background: #ffffff;
    border-radius: 8px;
    margin-bottom: 56px;
    box-shadow:9.7px 11px 14.2px rgba(187, 187, 187, 0.2);
}
.case_card_b{
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 128px;
    background: #ffffff;
    border-radius: 8px;
}
.case_card_t{
    color:#333333;
    font-size:20px;
    margin-left: 8px; 
    margin-top: 24px; 
}
.case_card_exp{
    color:#666666;
    font-size:16px; 
    width:397px;
    margin-top: 8px;
    line-height: 24px; 
    margin-left: 8px; 
}