.viking_footer {
    width: 100%;
    height: 309px;
}

/* PC端样式 - 1024px及以上设备 */

/* 提取的内联样式 */

/* header吸顶样式 - PC端 */
.viking_header.mobile-sticky {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000 !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 确保header吸顶时内容不被遮挡 */
.viking_header.mobile-sticky+.header_placeholder {
    display: block !important;
    visibility: visible !important;
}

.viking_header {
    width: 100%;
    height: 68px;
    background-color: black;
}

/* 顶部标题条样式 - PC端 */
.viking_river_title_bar {
    color: white;
    font-size: 24px;
    line-height: 36px;
    width: 100%;
    padding: 22px 0;
    background-color: #142640;
    text-align: center;
}

/* Banner样式 - PC端 */
.viking_river_banner {
    width: 100%;
    font-size: 0;
}

.viking_river_banner_image {
    width: 100%;
    height: auto;
    display: block;
}

/* Tab切换模块样式 - PC端 */
.viking_river_tab_container {
    width: 100%;
    background-color: #F4F4F4;
    z-index: 3;
    position: relative;
}

/* Tab吸顶状态 */
.viking_river_tab_container.sticky {
    position: fixed;
    left: 0;
    right: 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    background-color: #F4F4F4;
    /* top值通过JavaScript动态设置 */
    z-index: 3;
}

/* Tab占位元素样式 */
.tab_placeholder {
    display: block;
    width: 100%;
    background-color: transparent;
}

.viking_river_tab_wrapper {
    padding: 0 96px;
    max-width: 1440px;
    margin: 0 auto;
    box-sizing: border-box;
}

.viking_river_tab_list {
    display: flex;
    align-items: center;
    justify-content: center;
}

.viking_river_tab_btn {
    padding: 18px 49px;
    font-size: 16px;
    line-height: 24px;
    color: black;
    cursor: pointer;
}

.viking_river_tab_btn_active {
    color: white;
    background-color: #466580;
}

/* 河轮起源内容区域样式 - PC端 */
.viking_river_origin_container {
    display: flex;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 96px;
    align-items: center;
    flex-direction: row;
    box-sizing: border-box;
}

.viking_river_origin_image {
    width: 400px;
    font-size: 0;
}

.viking_river_origin_image img {
    width: 100%;
}

.viking_river_origin_content {
    flex: 1;
    box-sizing: border-box;
    padding: 0 48px;
}

.viking_river_origin_title {
    font-size: 32px;
    line-height: 37px;
    color: #142640;
    padding: 48px 0;
    font-weight: 400;
    font-family: "HYRunYuan-65J";
    text-align: center;
    background-color: white;
}

.viking_river_origin_subtitle {
    font-size: 24px;
    line-height: 28px;
    color: black;
    margin-bottom: 24px;
    font-weight: 500;
    font-family: 'SourceHanSansCNMedium';
}

.viking_river_origin_text p {
    font-size: 16px;
    line-height: 28px;
    color: #000000;
    margin: 0 0 24px 0;
}

/* 遍布全球的河轮旅行部分样式 - PC端 */
.viking_river_global_section {
    padding-top: 50px;
    background-color: #ffffff;
    padding-bottom: 24px;
}

.viking_river_global_container {
    display: flex;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 96px;
    align-items: center;
    flex-direction: row;
    box-sizing: border-box;
}

.viking_river_global_image {
    width: 400px;
    font-size: 0;
}

.viking_river_global_image img {
    width: 100%;
}

.viking_river_global_content {
    flex: 1;
    padding: 0 48px;
}

.viking_river_global_title {
    font-size: 24px;
    line-height: 36px;
    color: #142640;
    margin: 0 0 32px 0;
    font-weight: 500;
}

.viking_river_global_text p {
    font-size: 16px;
    line-height: 28px;
    color: #000000;
    margin: 0 0 24px 0;
}

/* 河轮优势轮播模块样式 - PC端 */
.viking_river_advantages_section {
    width: 100%;
    padding: 48px 0 24px 0;
    background-color: #ffffff;
    margin-top: 24px;
}

/* 河轮优势项目样式 - PC端 */
.viking_river_advantage_item {
    width: 100%;
    text-align: center;
    cursor: pointer;
}

.viking_river_advantage_image {
    width: 100%;
    margin-bottom: 16px;
    overflow: hidden;
}

.viking_river_advantage_image img {
    width: 100%;
    height: auto;
    display: block;
}

.viking_river_advantages_container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 96px;
    box-sizing: border-box;
}

.viking_river_advantages_header {
    text-align: center;
    margin-bottom: 48px;
}

.viking_river_advantages_title {
    font-size: 32px;
    line-height: 37px;
    color: #142640;
    margin: 0 0 16px 0;
    font-weight: 400;
    font-family: "HYRunYuan-65J";
}

.viking_river_advantages_subtitle {
    font-size: 20px;
    line-height: 30px;
    color: #142640;
    margin: 0;
}

/* Swiper 配置类 - PC端 */


.viking_river_advantage_title {
    font-size: 20px;
    line-height: 30px;
    font-weight: 500;
    color: black;
    font-family: 'SourceHanSansCNMedium';
}

/* 河轮优势轮播模块特定导航样式 - PC端 */
.viking_river_advantages_section .viking_swiper_navigation {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 16px;
    width: 100%;
}

.viking_river_advantages_section .viking_swiper_prev,
.viking_river_advantages_section .viking_swiper_next {
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.viking_river_advantages_section .viking_swiper_prev img {
    transform: rotate(180deg);
    /* 绕 Z 轴旋转 180 度 */
}

.viking_river_advantages_section .viking_swiper_prev img,
.viking_river_advantages_section .viking_swiper_next img {
    width: 100%;
    height: 100%;
    display: block;
}

.viking_swiper_counter {
    margin: 0 32px;
    text-align: center;
    color: #000000;
    font-size: 20px;
    line-height: 30px;
    font-weight: 500;
}

.viking_river_advantages_section .viking_swiper_prev.disabled,
.viking_river_advantages_section .viking_swiper_next.disabled {
    opacity: 0.3;
}

.viking_river_advantages_slider {
    overflow: hidden;
}

/* 内容区域样式 */
.viking_river_content_section {
    width: 100%;
    background-color: #f4f4f4;
}

/* 河轮百科模块样式 - PC端 */
.viking_river_encyclopedia_section {
    width: 100%;
    background-color: #ffffff;
    padding: 48px 0 24px 0;
    margin-top: 24px;
}

.viking_river_encyclopedia_container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 96px;
    box-sizing: border-box;
}

.viking_river_encyclopedia_header {
    text-align: center;
    margin-bottom: 60px;
}

.viking_river_encyclopedia_title {
    font-size: 32px;
    line-height: 37px;
    color: #142640;
    margin: 0 0 16px 0;
    font-weight: 400;
    font-family: "HYRunYuan-65J";
}

.viking_river_encyclopedia_subtitle {
    font-size: 18px;
    line-height: 28px;
    color: #142640;
    margin: 0;
    font-weight: 400;
}

.viking_river_encyclopedia_faq_list {
    width: 100%;
}

.viking_river_faq_item {
    border-bottom: 1px solid #f4f4f4;
    overflow: hidden;
}

.viking_river_faq_item:first-child {
    border-top: 1px solid #f4f4f4;
}

.viking_river_faq_question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 21px 0;
    cursor: pointer;
    position: relative;
}

.viking_river_faq_text {
    flex: 1;
    font-size: 18px;
    line-height: 26px;
    color: black;
    font-weight: 500;
    font-family: 'SourceHanSansCNMedium';
    margin-right: 20px;
}

.viking_river_faq_arrow {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.viking_river_faq_arrow img {
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease;
}

.viking_river_faq_answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: #f4f4f4;
}

.viking_river_faq_answer p {
    padding: 20px;
    margin: 0;
    font-size: 16px;
    line-height: 28px;
    color: black;
    font-weight: 400;
}
.viking_river_faq_answer_content_text{
    padding: 0 0 24px 0;
    margin: 0;
    font-size: 16px;
    line-height: 28px;
    color: black;
    font-weight: 400;
}
.viking_river_faq_item.active .viking_river_faq_arrow img {
    transform: rotate(180deg);
}

/* 河轮起源部分样式 */
.viking_river_origin_section {
    padding: 40px 0;
    background-color: #ffffff;
}

.viking_river_advantages_top {
    width: 100%;
}

.viking_river_advantages_bottom {
    width: 100%;
    padding-top: 48px;
}

.viking_river_advantages_bottom_item {
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
}

.viking_river_advantages_bottom_item_image {
    width: 100%;
}

.viking_river_advantages_bottom_item_image img {
    width: 100%;
}

.viking_river_advantages_bottom_item_title {
    width: 250px;
    height: 73px;
    box-sizing: border-box;
    position: absolute;
    bottom: 100px;
    border: solid white 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    line-height: 16px;
    font-weight: 500;
    color: white;
    font-family: 'SourceHanSansCNMedium';
    cursor: pointer;

}

.viking_river_faq_answer_content {
    width: 100%;
    padding: 16px 20px;
    box-sizing: border-box;
}

.viking_river_faq_answer_image_container {
    width: 100%;
    gap: 64px;
    display: flex;
}

.viking_river_faq_answer_image_container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.viking_river_faq_answer_image_item {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
}

.viking_river_faq_answer_image_item img {
    width: 100%;
    height: 220px;
}

.viking_river_faq_answer_image_item_content_title {
    font-weight: 500;
    font-size: 18px;
    line-height: 28px;
    color: black;
    font-family: 'SourceHanSansCNMedium';
}

.viking_river_faq_answer_image_item_content_text {
    padding-top: 8px;
    font-size: 16px;
    line-height: 28px;
    color: black;
}
.viking_river_faq_answer_box{
    padding: 16px 20px;
    box-sizing: border-box;

}
.viking_river_faq_answer_box_title{
    font-size: 16px;
    line-height: 28px;
    color: black;
}
.viking_river_faq_answer_box ul{
    padding-left: 20px;
    margin-top: 8px;
}
.viking_river_faq_answer_box ul li{
    list-style: disc;
    margin-bottom: 8px;
}
.viking_river_faq_answer_box ul li div:first-child{
    margin-bottom: 0px;
}
.viking_river_origin_content_section{
    width: 100%;
    background-color: white;
    padding-top: 48px;
}
.viking_river_faq_answer_li_title{
    font-size: 16px;
    line-height: 28px;

}
.viking_river_faq_answer_box_text{
    font-size: 16px;
    line-height: 28px;
}
.feature_popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
}

.feature_popup_close {
    width: 47%;
    display: flex;
    justify-content: flex-end;
}
.feature_popup_close img {
    width: 24px;
    height: 24px;
    cursor: pointer;
}
.feature_popup_content_inner {
    height: 100%;
    width: 100%;
}
.feature_popup_content_inner video{
    width: 100%;
    height: 100%;
}

/* PC端特色弹窗样式 */
.feature_popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }
  
  .feature_popup_content {
    padding: 16px;
    max-height: 80%;
    position: relative;
    box-sizing: border-box;
  }
  
  .feature_popup_close {
    width: 100%;
    cursor: pointer;
    display: flex;
    justify-content: flex-end;
    padding-bottom: 24px;
  }
  
  .feature_popup_close img {
    width: 24px;
    height: 24px;
    box-sizing: border-box;
  }
  
  .feature_popup_swiper {
    width: 100%;
    box-sizing: border-box;
    background-color: #fff;
    overflow: hidden;
  }
  
  .feature_popup_item_box {
    border-radius: 8px;
    padding: 20px;
    height: 100%;
    box-sizing: border-box;
  }
  
  .feature_popup_item {
    display: flex;
    flex-direction: column;
    height: 100%;
    box-sizing: border-box;
    /* overflow-y: auto; */
  }
  
  .feature_popup_image {
    width: 100%;
    height: 420px;
    overflow: hidden;
    box-sizing: border-box;
    margin-bottom: 24px;
  }
  
  .feature_popup_image img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-sizing: border-box;
  }
  
  .feature_popup_text {
    flex: 1;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
  }
  
  .feature_popup_item_title {
    font-size: 20px;
    font-weight: 500;
    line-height: 30px;
    margin-bototm: -8px;
    color: #142640;
    box-sizing: border-box;
  }
  
  .feature_popup_item_desc {
    font-size: 16px;
    line-height: 24px;
    color: #595959;
    margin-top: 24px;
    margin-bottom: 0px;
    box-sizing: border-box;
  }
  
  .feature_popup_pagination {
    position: absolute;
    bottom: -40px !important;
    left: 50% !important;
    transform: translateX(-50%);
    z-index: 5;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .feature_popup_bullet {
    width: 10px;
    height: 10px;
    background-color: #D9D9D9;
    border-radius: 50%;
    display: inline-block;
    margin: 0 6px;
    cursor: pointer;
    box-sizing: border-box;
  }
  
  .feature_popup_bullet_active {
    background-color: #CE1141;
    box-sizing: border-box;
  }
  
  .feature_popup_item_btn_box {
    width: 100%;
    display: flex;
    justify-content: center;
    padding-top: 16px;
  }
  
  .feature_popup_item_btn_box_item_text {
    width: 250px;
    height: 70px;
    background-color: #142640;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: 500;
    font-family: "SourceHanSansCNMedium";
    cursor: pointer;
  }
  .feature_popup_content video{
    width: 100%;
    height: 100%;
    /* object-fit: cover; */
  }
  .feature_popup#videoPopup .feature_popup_content{
    height: 80vh;
  }
  #chineseService .feature_popup_content{
    width: 672px;
  }
/* ========================================= */
/* 移动端样式 - 小于等于1024像素 */
/* ========================================= */
@media (max-width: 1024px) {
    /* ========================================= */
    /* 关于河轮页面样式 - 不包含header和footer */
    /* ========================================= */

    /* 顶部标题条样式 */
    .viking_river_title_bar {
        color: white;
        font-size: 20px;
        line-height: 30px;
        width: 100%;
        padding: 10px 0;
        background-color: #142640;
        text-align: center;
    }

    /* Banner样式 */
    .viking_river_banner {
        width: 100%;
        font-size: 0;
    }

    .viking_river_banner_image {
        width: 100%;
    }

    /* Tab切换模块样式 - 移动端适配 */
    .viking_river_tab_container {
        width: 100%;
        background-color: #F4F4F4;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        position: relative;
        transition: all 0.3s ease;
        z-index: 100;
        /* 移动端优化 */
        touch-action: pan-x;
        overscroll-behavior: contain;
    }

    /* Tab吸顶状态 - 移动端 */
    .viking_river_tab_container.sticky {
        position: fixed;
        left: 0;
        right: 0;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        background-color: #F4F4F4;
        z-index: 3;
        transition: all 0.3s ease;
        /* 移动端吸顶优化 */
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        will-change: transform;
    }

    /* Tab占位元素样式 - 移动端 */
    .tab_placeholder {
        display: block;
        width: 100%;
        background-color: transparent;
    }

    .viking_river_tab_container::-webkit-scrollbar {
        display: none;
    }

    .viking_river_tab_wrapper {
        width: 100%;
        padding: 0;
    }

    .viking_river_tab_list {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        width: 100%;
    }

    .viking_river_tab_btn {
        padding: 12px 0px;
        flex: 1;
        font-size: 14px;
        line-height: 20px;
        font-weight: 400;
        color:#142640;
        white-space: nowrap;
        display: flex;
        justify-content: center;
        /* 移动端触摸优化 */
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }

    .viking_river_tab_btn_active {
        color: white;
        background-color: #466580;
        font-weight: 500;
       
    }

    .viking_river_tab_btn_active:active {
        transform: scale(0.98);
        background-color: #3a5469;
    }




    .viking_river_origin_container {
        display: flex;
        flex-direction: column;
        max-width: 100%;
        margin: 0 auto;
        padding: 0 16px;
        gap: 16px;
    }

    .viking_river_origin_image {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .viking_river_origin_image img {
        width: 100%;
        height: auto;
        display: block;
    }

    .viking_river_origin_content {
        width: 100%;
        max-width: 100%;
        padding: 0px;
    }

    .viking_river_origin_title {
        padding: 24px 0;
        font-size: 18px;
        line-height: 21px;
    }
.viking_river_origin_section{
    padding: 0px;
}
    .viking_river_origin_subtitle {
        font-size: 16px;
        line-height: 28px;
        color: black;
        margin: 0 0 8px 0;
        font-weight: 500;
    }

    .viking_river_origin_text {
        flex: 1;
    }

    .viking_river_origin_text p {
        font-size: 14px;
        line-height: 24px;
        color: black;
        margin: 0 0 8px 0;
    }

    .viking_river_origin_text p:last-child {
        margin-bottom: 0;
    }

    /* 遍布全球的河轮旅行部分样式 */
    .viking_river_global_section {
        padding: 32px 0 16px 0;

    }

    .viking_river_global_container {
        display: flex;
        flex-direction: column;
        max-width: 100%;
        margin: 0 auto;
        padding: 0 16px;
        gap: 16px;
    }

    .viking_river_global_image {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .viking_river_global_image img {
        width: 100%;
        height: auto;
        display: block;
    }

    .viking_river_global_content {
        width: 100%;
        padding: 0;
    }

    .viking_river_global_title {
        font-size: 20px;
        line-height: 30px;
        color: #142640;
        margin: 0 0 24px 0;
        font-weight: 500;
    }

    .viking_river_global_text {
        flex: 1;
    }

    .viking_river_global_text p {
        font-size: 14px;
        line-height: 24px;
        color: black;
        margin: 0 0 8px 0;
    }

    .viking_river_global_text p:last-child {
        margin-bottom: 0;
    }

    /* 河轮优势轮播模块样式 - 移动端 */
    .viking_river_advantages_section {
        width: 100%;
        padding: 24px 0 16px 0;
        background-color: #ffffff;
    }

    .viking_river_advantages_container {
        max-width: 100%;
        margin: 0 auto;
        padding: 0 16px;
    }

    .viking_river_advantages_header {
        text-align: center;
        margin-bottom: 16px;
    }

    .viking_river_advantages_title {
        font-size: 18px;
        line-height: 21px;
        margin: 0 0 8px 0;
    }

    .viking_river_advantages_subtitle {
        font-size: 14px;
        line-height: 21px;
        color: #142640;
    }

    .viking_river_advantages_slider {
        position: relative;
        width: 100%;
    }
    .viking_river_advantages_bottom{
        padding-top: 24px;
    }
    .viking_river_advantages_swiper {
        width: 100%;
        overflow: hidden;
        /* 移动端触摸优化 */
        /* touch-action: pan-x; */
        -webkit-overflow-scrolling: touch;
    }
    .viking_river_advantages_bottom_item_title{
        width: 116px;
        height: 36px;
        font-size: 14px;
        line-height: 16px;
        font-weight: 500;
        bottom: 16px;
    }

    /* Swiper 配置类 - 移动端 */
    .viking_river_advantages_swiper .swiper-wrapper {
        /* 允许Swiper控制transition */
        transition-timing-function: ease-out;
    }

    /* 移动端滑动优化 */
    .viking_river_advantages_swiper .swiper-slide {
        /* 确保slide可以正常滑动 */
        flex-shrink: 0;
        width: 100%;
        height: auto;
    }



    .viking_river_advantage_item {
        width: 100%;
        text-align: center;
    }

    .viking_river_advantage_image {
        width: 100%;
        margin-bottom: 16px;
        overflow: hidden;
    }

    .viking_river_advantage_image img {
        width: 100%;
        height: auto;
        display: block;
    }

    .viking_river_advantage_title {
        font-size: 14px;
        line-height: 21px;
        color: black;
    }

    /* 左右箭头样式 - 移动端 */
    .viking_river_advantages_prev,
    .viking_river_advantages_next {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 32px;
        height: 32px;
        background-color: rgba(255, 255, 255, 0.9);
        border: 1px solid #D9D9D9;
        border-radius: 50%;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 10;
    }

    .viking_river_advantages_prev {
        left: 0;
    }

    .viking_river_advantages_next {
        right: 0;
    }

    /* 箭头图标 - 移动端 */
    .viking_river_advantages_prev::after,
    .viking_river_advantages_next::after {
        content: '';
        width: 8px;
        height: 8px;
        border-top: 2px solid #142640;
        border-right: 2px solid #142640;
    }

    .viking_river_advantages_prev::after {
        transform: rotate(-135deg);
        margin-left: 2px;
    }

    .viking_river_advantages_next::after {
        transform: rotate(45deg);
        margin-right: 2px;
    }

    /* 分页指示器样式 - 移动端 */
    .viking_river_advantages_pagination {
        position: absolute;
        bottom: -30px;
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
        font-size: 14px;
        line-height: 20px;
        color: #000000;
    }

    .viking_river_advantages_page_current,
    .viking_river_advantages_page_total {
        font-weight: 500;
    }

    .viking_river_advantages_page_separator {
        margin: 0 4px;
    }

  

    .swiper_arrow_btn {
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .swiper_arrow_btn img {
        width: 100%;
        height: 100%;
    }

    .viking_swiper_counter {
        flex: 1;
        padding: 0 8px;
        text-align: center;
        color: black;
        font-size: 16px;
        line-height: 24px;
    }

    /* 河轮优势轮播模块特定导航样式 - 移动端 */
    .viking_river_advantages_section .viking_swiper_prev,
    .viking_river_advantages_section .viking_swiper_next {
        width: 32px;
        height: 32px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .viking_river_advantages_section .viking_swiper_prev img,
    .viking_river_advantages_section .viking_swiper_next img {
        width: 100%;
        height: 100%;
        display: block;
    }

    .viking_river_advantages_section .viking_swiper_prev.disabled,
    .viking_river_advantages_section .viking_swiper_next.disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }

    /* 河轮百科模块样式 - 移动端 */
    .viking_river_encyclopedia_section {
        width: 100%;
        background-color: #ffffff;
        padding: 24px 0 16px 0;
    }

    .viking_river_encyclopedia_container {
        max-width: 100%;
        margin: 0 auto;
        padding: 0 16px;
    }

    .viking_river_encyclopedia_header {
        text-align: center;
        margin-bottom: 30px;
    }

    .viking_river_encyclopedia_title {
        font-size: 18px;
        line-height: 21px;
        margin: 0 0 8px 0;
    }

    .viking_river_encyclopedia_subtitle {
        font-size: 14px;
        line-height: 21px;
    }

    .viking_river_encyclopedia_faq_list {
        max-width: 100%;
        margin: 0 auto;
    }

    .viking_river_faq_item {
        border-bottom: 1px solid #f4f4f4;
    }

    .viking_river_faq_item:first-child {
        border-top: none;
    }

    .viking_river_faq_question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 16px 0;
        position: relative;
    }

    .viking_river_faq_text {
        font-size: 16px;
        line-height: 24px;
    }

    .viking_river_faq_arrow {
        width: 20px;
        height: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        transition: transform 0.3s ease;
    }

    .viking_river_faq_arrow img {
        width: 100%;
        height: 100%;
        transition: transform 0.3s ease;
    }

    .viking_river_faq_answer {
        max-height: 0;
        overflow: hidden;
        background-color: #F4F4F4;
    }

    .viking_river_faq_answer p {
        padding: 16px;
        font-size: 16px;
        line-height: 24px;
        color: black;
    }

    .viking_river_faq_item.active .viking_river_faq_arrow img {
        transform: rotate(180deg);
    }
    .viking_river_faq_answer_image_container{
        flex-direction: column;
        gap: 24px;
    }
    .viking_river_faq_answer_content_text{
        line-height: 24px;
    }
    .viking_river_faq_answer_image_item_content_title{
        font-size: 16px;
    }
    .viking_river_faq_answer_image_item_content_text{
        font-size: 14px;
        line-height: 21px;
        padding-bottom: 8px;
    }
    .viking_river_faq_answer_box_title{
        font-size: 14px;
        line-height: 24px;
    }
    .viking_river_faq_answer_li_title{
        font-size: 14px;
        line-height: 28px;

    }
    .viking_river_faq_answer_box_text{
        font-size: 14px;
        line-height: 24px;
    }
    .feature_popup_content{
        box-sizing: border-box;
        padding: 0 16px;
    }
    .feature_popup_close{
        width: 100%;
    }
    .feature_popup_content_inner{
        width: 100%;
        height: 100%;
    }
     /* 手机端特色弹窗样式 */

     .feature_popup_content {
        width: 100%;
        padding: 0 16px;
        /* overflow: hidden; */
        position: relative;
        max-height: 80%;
        height: 70%;
        display: flex;
        flex-direction: column;
    }
    #chineseService .feature_popup_content{
        width: 100%;
    }

    .feature_popup_swiper {
        flex: 1;
        min-height: 0;
        overflow: hidden;
        /* 硬件加速优化 */
        transform: translateZ(0);
        /* -webkit-transform: translateZ(0);
        will-change: transform;
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        -webkit-perspective: 1000px;
        perspective: 1000px; */
        /* 触摸优化 - 允许所有方向的滚动和缩放 */
        /* touch-action: manipulation; */
        /* -webkit-overflow-scrolling: touch; */
    }

    .feature_popup_item {
        /* height: 100%;
        width: 100%;
        overflow-y: auto; */
        /* 硬件加速优化 */
        /* transform: translateZ(0);
        -webkit-transform: translateZ(0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden; */
    }

    .feature_popup_image {
        width: 100%;
        height: 209px;
        margin-bottom: 24px;
        overflow: hidden;
    }

    .feature_popup_image img {
        width: 100%;
        height: auto;
        display: block;
        /* 图片渲染优化 */
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
        /* 禁用图片拖拽和选择，但允许触摸事件 */
        user-select: none;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        -webkit-user-drag: none;
        -webkit-touch-callout: none;
    }

    .feature_popup_text {
        /* padding: 0 20px 20px; */
        flex: 1;
    }

    .feature_popup_item_title {
        font-size: 18px;
        font-weight: 500;
        line-height: 27px;
        color: #142640;
        font-family: 'SourceHanSansCNMedium';
        text-align: left;
    }

    .feature_popup_item_desc {
        font-size: 14px;
        line-height: 24px;
        color: #595959;
        margin-top: 16px;
        margin-bottom: 0px;
        text-align: left;
    }

    .feature_popup_pagination {
        margin-top: 12px;
        text-align: center;
    }

    .feature_popup_bullet {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: #D9D9D9;
        display: inline-block;
        margin: 0 6px;
        /* 优化过渡动画性能 */
        transition: background-color 0.3s ease;
        -webkit-transition: background-color 0.3s ease;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
    }

    .feature_popup_close {
        width: 100%;
        padding-bottom: 24px;
        display: flex;
        justify-content: flex-end;
    }

    .feature_popup_close img {
        width: 24px;
        height: 24px;
    }

    .feature_popup_item_box {
        padding: 16px;
        width: 100%;
        height: 100%;
        background-color: white;
        box-sizing: border-box;

    }

    .feature_popup_bullet_active {
        background-color: #CE1141;
        width: 8px;
        height: 8px;
        /* 激活状态优化 */
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
    }
    
    /* Swiper wrapper 硬件加速优化 */
    .feature_popup_swiper .swiper-wrapper {
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
    
    /* Swiper slide 硬件加速优化 */
    .feature_popup_swiper .swiper-slide {
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }

    .feature_popup_footer {
        padding: 15px 20px;
        background-color: #f5f5f5;
        text-align: center;
        font-weight: bold;
        color: #333;
    }
    .viking_river_origin_content_section{
        padding-top: 24px;
    }
}