/* --- 基础样式 --- */
.product-swiper-tab-container { background-color: #000; padding: 80px 0; width: 100%; overflow: hidden; }
.product-swiper-tab-container .product-swiper-main { width: 100%; padding-bottom: 50px !important; }

/* 默认隐藏移动端图片，显示PC图片 */
.product-swiper-tab-container .img-pc { display: block; width: 100%; height: 100%; object-fit: cover; }
 .product-swiper-tab-container h2 {
    font-size: 36px;
    line-height: 48px;
    font-weight: 600;
    margin: 0 0 10px 0;
    color: #ffffff;
    text-align: center;
    margin: 0 7.6rem 1.6rem 7.6rem;
}
 .product-swiper-tab-container .product-media-desc-top {
    font-size: 16px;
    line-height: 22px;
    color: #86868c;
    max-width: 1000px;
    margin: 0 auto 1em;
    text-align: center;
}
.product-swiper-tab-container .img-mobile { display: none; width: 100%; height: 100%; object-fit: cover; }

.product-swiper-tab-container .swiper-slide {
    width: 70vw;
    max-width: 1000px;
    aspect-ratio: 1000 / 489;
    height: auto;
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    opacity: 0.6;
    filter: brightness(0.5);
}

.product-swiper-tab-container .swiper-slide-active { opacity: 1; filter: brightness(1); z-index: 10; }

.product-swiper-tab-container .mobile-text-content { display: none; }

.product-swiper-tab-container .nav-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}

.product-swiper-tab-container .custom-tabs {
    display: flex;
    justify-content: center;
    width: 80%;
    max-width: 800px;
    flex-direction: column;
}

.product-swiper-tab-container .tab-item {
    color: #fff;
    font-size: clamp(18px, 2vw, 24px) !important;
    font-weight: 600;
    position: relative;
    text-align: center;
}

 .product-swiper-tab-container .pc-tab-lines {
    display: flex;
    max-width: 100%;
    max-width: 800px; /* 跟随文字宽度 */
    margin: 0 auto 20px;
    min-width: 300px;
}

.product-swiper-tab-container .line-segment {
    flex: 1; /* 自动分段 */
    height: 2px;
    background: #333; /* 默认深色 */
    transition: background 0.3s ease;
    cursor: pointer;
}

.product-swiper-tab-container .line-segment.active {
    background: #fff; /* 激活时高亮 */
}

#dynamic-tab-title, 
#dynamic-desc-text {
    display: block !important; /* 严禁动画将其变为 none */
    visibility: visible !important;
}

.product-swiper-tab-container .description-container {
    margin-top: 10px;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
    line-height: 1.6;
    color: #888;
    font-size: clamp(14px, 1.2vw, 16px);
    min-height: 3em; 
}
/* 移动端适配 (767px 以下) */
/* ----------------------------------------------------------- */
@media (max-width: 767px) {
    .product-swiper-tab-container {
        padding: 40px 0 0 0;
    }
    .product-swiper-tab-container .pc-only { display: none !important; }
    
    /* 核心修改：切换图片显示状态 */
    .product-swiper-tab-container .img-pc { display: none !important; }
    .product-swiper-tab-container .img-mobile { display: block !important; }

    .product-swiper-tab-container .swiper-wrapper {
        display: flex !important;
        transform: none !important;
        overflow-x: auto;
        padding: 0 20px 40px;
        gap: 20px;
        scrollbar-width: none;
        width: auto;
    }
    
    .product-swiper-tab-container .swiper-wrapper::-webkit-scrollbar { display: none; }

    .product-swiper-tab-container .swiper-slide {
        flex: 0 0 85%;
        width: 85% !important;
        height: auto !important;
        aspect-ratio: unset !important;
        opacity: 1 !important;
        filter: none !important;
        display: flex;
        flex-direction: column;
        scroll-snap-align: start;
        border-radius: 16px;
    }

    .product-swiper-tab-container .img-mobile {
        width: 100%;
        object-fit: cover;
    }

    .product-swiper-tab-container .mobile-text-content {
        display: block;
        margin-top: 15px;
        text-align: left;
    }

    .product-swiper-tab-container .mobile-text-content h4 {
        font-size: 1.4rem;
        margin: 0 0 8px 0;
        color: #fff;
        font-weight: 600;
    }

    .product-swiper-tab-container .mobile-text-content p {
        font-size: 1rem;
        color: #ccc;
        line-height: 1.5;
    }
    .product-swiper-tab-container h2 {
        font-size: 22px;
        line-height: 28px;
        margin: 0 1.6rem 1.6rem 1.6rem;
    }

    .product-swiper-tab-container .product-media-desc-top {
        font-size: 14px;
        line-height: 20px;
        max-width: 300px;
    }
    .product-swiper-tab-container .product-swiper-main {
        padding-bottom: 0 !important;
    }
}