:root {
    --primary-color: #8828FF ;
    --secondary-color: #6F48C9;
    --background-color: #ffffff;
    --text-color: #333;
}
/* 全局样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.5;
    padding-top: 165px; /* 桌面端导航栏高度 */
}
li {
    list-style: none;
 }
/* 通用标题样式 */
.section-title {
    color: #20184E;
    font-weight: 600;
    margin-bottom: 48px;
    position: relative;
    text-align: center;
}
/* 通用图标样式 */
.contact-icon {
    width: 32px;
    height: 32px;
}
/* 通用文本样式 */
.contact-text {
    color: #20184E;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}
/* 公司介绍 */
.company-contact{
    /* 修改定位方式 */
    margin-top: -165px;
    /* 移除top属性 */
    padding: 360px 0 250px;
    background: url(../images/bg2.png) no-repeat top;
    background-size: auto;
    background-position: top;
}
/* 内容部分 */
.contact-section {
    position: relative;
    background: #fff;
    padding: 0 0 90px;
}
.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    background: url(../images/bg-img2.png) no-repeat bottom;
    width: 136px;
    height: 531px;
    z-index: 0;
}
.contact-section::after {
    content: '';
    position: absolute;
    bottom: -180px;
    background: url(../images/bg-img1.png) no-repeat top;
    width: 168px;
    height: 531px;
    z-index: 0;
    right: 0px;
    background-size: 80%;
}
.bg-title{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-around;
    align-items: flex-start;
    color: #fff;
}
.half-box{
    width: 50%;
}
.container-box-left{
    padding-right: 84px;
}
.section-title-text{
    margin-top: 30px;
    margin-bottom: 88px;
}
.section-title-other{
    margin-bottom: 100px;
    text-align: justify;
}
.btn-big{
    padding: 16px 64px;
    border-radius: 50px;
    background: var(--primary-color);
    color: #fff;
}
.video-part{
    width: 640px;
    aspect-ratio: 16 / 9;
    position: relative;
}
/* 第二部分 */
.case-part01{
    margin-top: 110px;
}
.case-part01-title{
    color: #20184E;
    text-align: center;
}
.case-part01-title h2{
    margin-bottom: 40px;
}
.list-two{
    margin-top: 68px;
    background: url(../images/case-bg.png) no-repeat center;
    background-size: contain;
}

.list-two li img{
    width: 100%;
    height: 100%;
}
.list-two ul{
    padding: 0;
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}
.list-two .logo-list {
    width: 23.4%;
    aspect-ratio: 4 / 3;
    box-shadow: 0 0 3px 3px #8828ff05;
    border-radius: 10px;
    
}
.list-bottom{
    width: 70%;
    margin: 106px auto 75px;
}
.list-bottom img{
    width: 100%;
    height: 100%;
}
.buy-icon{
    width: 32px;
    height: 32px;
    display: inline-block;
    margin-right: 1.5rem;
    line-height: normal;
}
.buy-icon img{
    width: 100%;
    height: 100%;
}
.pk-box{
    width: 45%;
    background: #ffffff;
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 0 16px 1px rgb(193 115 255 / 12%);
}
.pk-box p{
    margin-top: 28px;
    line-height: 28px;
}
.pk-logo{
    width: 85px;
    height: 85px;
    margin: 0 auto 28px;
}
.pk-logo img{
    width: 100%;
    height: 100%;
}
.buy-icon-group{
    margin: 30px auto;
}
.buy-icon-group ul{
    display: flex;
    flex-flow: row;
    justify-content: center;
}
.case-part02{
    text-align: center;
}
.backBtn{
    background: var(--primary-color);
    border-radius: 60px;
    padding: 12px 40px;
    color: #fff;
    font-size: 1rem;
    border: none;
    box-shadow: none;
    text-align: center;
    margin: 90px auto 0;
}
/* 移动端适配 */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }
    .contact-section::before,.contact-section::after {
        content: none;
    }
    .contact-section {
        padding: 10px 0;
    }
    .buy-icon {
        width: 24px;
        height: 24px;
        margin-right: 1rem;
    }
    .backBtn{
        padding: 12px 32px;
        margin: 60px auto;
    }
    
    .video-part {
        width: 100%;
        position: relative;
    }
    .company-contact {
        padding: 210px 0 120px;
        background-size: 200% 100%;
    }
    .section-title-text {
        margin-top: 0;
        margin-bottom: 24px;
    }
    .section-title-other {
        margin-bottom: 32px;
    }
    .btn-big {
        padding: 8px 32px;
    }
    .container-box-right{
        margin-top: 56px;
    }
    .case-part01 {
        margin-top: 40px;
    }
    .case-part01-title h2 {
        margin-bottom: 20px;
    }
    .list-two .logo-list {
        width: 22.3%;
    }
    .list-bottom {
        margin: 80px auto;
    }
    .pk-box {
        padding: 36px;
        width: 48%;
    }
    .pk-logo {
        width: 58px;
        height: 58px;
        margin: 0 auto 18px;
    }
    .pk-box p {
        margin-top: 14px;
        line-height: 24px;
    }
    .buy-icon-group {
        margin: 16px auto;
    }
    
}

@media (max-width: 991px) {
    body {
        padding-top: 48px; /* 移动端导航栏高度 */
    }

    /* 联系部分适配 */
    .contact-section {
        padding: 40px 0;
    }
    .buy-icon {
        width: 24px;
        height: 24px;
        margin-right: 1rem;
    }
    .backBtn{
        padding: 12px 32px;
        margin: 60px auto 30px;
    }
    /* .half-box{
        width: 100%;
    } */
    .video-part {
        width: 100%;
        position: relative;
    }
    .company-contact {
        margin-top: -48px;
        padding: 90px 0 60px;
        background-size: 200% 100%;
    }
    .section-title-text {
        margin-top: 0;
        margin-bottom: 24px;
    }
    .section-title-other {
        margin-bottom: 32px;
    }
    .btn-big {
        padding: 8px 32px;
    }
    .container-box-right{
        margin-top: 6px;
    }
    .case-part01 {
        margin-top: 40px;
    }
    .case-part01-title h2 {
        margin-bottom: 20px;
    }
    .list-two {
        margin-top: 48px;
    }
    .list-two ul {
        gap: 16px;
        align-items: flex-start;
    }
    .list-two .logo-list {
        width: 23.3%;
    }
    .list-bottom {
        width: 80%;
        margin: 60px auto;
    }
    .pk-box {
        padding: 36px;
        width: 48%;
    }
    .pk-logo {
        width: 58px;
        height: 58px;
        margin: 0 auto 18px;
    }
    .pk-box p {
        margin-top: 14px;
        line-height: 24px;
    }
    .buy-icon-group {
        margin: 16px auto;
    }
    
    
}



@media (max-width: 767px) {
    .container {
        padding: 0 30px;
    }
    /* .list-two li{
        width: 45%;
    } */
    .buy-icon {
        width: 16px;
        height: 16px;
        margin-right: 0;
    }
    .backBtn{
        padding: 4px 24px;
        margin: 30px auto 30px;
    }
    .half-box{
        width: 100%;
        padding-right: 0;
    }
    .video-part {
        width: 100%;
        position: relative;
    }
    .company-contact {
        margin-top: -48px;
        padding: 80px 0 20px;
        background-size: 200% 100%;
    }
    .section-title-text {
        margin-top: 0;
        margin-bottom: 24px;
    }
    .section-title-other {
        margin-bottom: 32px;
    }
    .btn-big {
        padding: 8px 32px;
    }
    .container-box-right{
        margin-top: 36px;
    }
    .case-part01 {
        margin-top: 40px;
    }
    .case-part01-title h2 {
        margin-bottom: 20px;
    }
    .list-two {
        margin-top: 28px;
    }
    .list-two ul {
        gap: 16px;
        align-items: flex-start;
    }
    .list-two .logo-list {
        width: 21.3%;
    }
    .list-bottom {
        width: 80%;
        margin: 36px auto 36px;
    }
    .pk-box {
        padding: 24px;
        width: 100%;
    }
    .pk-logo {
        width: 58px;
        height: 58px;
        margin: 0 auto 18px;
    }
    .pk-box p {
        margin-top: 14px;
        line-height: 24px;
    }
    .buy-icon-group {
        margin: 16px auto;
    }
}