:root {
    --primary-color: #8257E6;
    --secondary-color: #6F48C9;
    --background-color: #F8F9FA;
    --text-color: #333;
    --text-secondary: #666666;     /* 次要文字颜色 */
    --text-light: #999999;         /* 浅色文字 */
}

/* 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: 108px; /* 桌面端导航栏高度 */
}
li{
    list-style: none;
}



/* 通用标题样式 */
.section-title {
    color: #20184E;
    font-size: 2.75rem;
    font-weight: 600;
    margin-bottom: 3rem;
    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;
    font-size: 1.5rem;
}

.contact-section {
    padding: 125px 0;
    background: white;
    position: relative;
}
.contact-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    background: url(../images/bg-img2.png) no-repeat bottom;
    width: 136px;
    height: 531px;
    z-index: 0;
}
.contact-section::after {
    content: '';
    position: absolute;
    top: 50px;
    background: url(../images/bg-img1.png) no-repeat top;
    width: 168px;
    height: 531px;
    z-index: 0;
    right: 0;
}
.news-title{
    text-align: center;
    margin-bottom: 53px;
}
.news-title h3{
    color: #20184E;
    margin-bottom: 40px;
}
.news-title span{
    color: var(--text-secondary);
}
.news-img{
    width: 100%;
    height: auto;
    padding: 0 40px;
}
.news-img img{
    width: 100%;
    height: 100%
}
.part01{
    padding: 50px;
    width: 100%;
    color: var(--text-light);
    line-height: 36px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0px 0px 6px 6px rgb(238 238 238 / 24%);
    margin-top: 167px;
    position: relative;
    text-align: justify;
}
.part01::before {
    content: '';
    position: absolute;
    top: -40px;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(0deg, rgba(130, 87, 230, 0.05) 0%, rgba(130, 87, 230, 0) 100%);
    pointer-events: none;
}
.part02{
    padding: 50px;
    width: 100%;
    color: var(--text-color);
    line-height: 36px;
    text-align: justify;
}
.backBtn{
    background: var(--primary-color);
    border-radius: 60px;
    padding: 12px 40px;
    color: #fff;
    font-size: 16px;
    border: none;
    box-shadow: none;
    text-align: center;
    margin: 40px auto;
}
/* 移动端适配 */
@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 48px;
    }
    
    .section-title {
        margin-bottom: 32px;
    }
    .part01,.part02{
        padding: 32px;
    }
    .part01 {
        margin-top: 80px;
    }
    .backBtn{
        padding: 12px 32px;
        font-size: 14px;
    }
    .news-title h3 {
        margin-bottom: 16px;
    }
    
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    text-align: center;
}

@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }
    .contact-section::before,.contact-section::after {
        content: none;
    }
    .part01,.part02{
        padding: 32px;
    }
    .part01 {
        margin-top: 80px;
    }
    .backBtn{
        padding: 12px 32px;
        font-size: 16px;
    }
    
}

@media (max-width: 767px) {
    .container {
        padding: 0 30px;
    }
    .contact-content {
        position: relative;
        padding: 48px 16px;
    }   
    .news-title{
        margin-bottom: 24px;
    }
    .news-title h3 {
        margin-bottom: 16px;
    }
    .part01,.part02{
        padding: 24px;
    }
    .part01 {
        margin-top: 64px;
    }
    .backBtn{
        padding: 4px 24px;
        font-size: 14px;
        margin: 8px auto;
    }
}