/* ========== 首页轮播图 ========== */
.index-banner {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.banner-swiper {
    width: 100%;
    height: 480px;
}

.banner-swiper .swiper-slide {
    width: 100%;
    height: 480px;
    overflow: hidden;
}

.banner-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 左右导航箭头 */
.banner-swiper .swiper-button-prev,
.banner-swiper .swiper-button-next {
    width: 55px;
    height: 80px;
    background: rgba(0, 0, 0, 0.15);
    opacity: 0.8;
    transition: background 0.3s, opacity 0.3s;
}

.banner-swiper .swiper-button-prev:hover,
.banner-swiper .swiper-button-next:hover {
    background: #830606;
    opacity: 1;
}

.banner-swiper .swiper-button-prev::after,
.banner-swiper .swiper-button-next::after {
    font-size: 28px;
    color: #fff;
    font-weight: bold;
}

/* 分页小圆点 */
.banner-swiper .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: #fff;
    opacity: 0.6;
    transition: opacity 0.3s, background 0.3s;
}

.banner-swiper .swiper-pagination-bullet-active {
    background: #b13838;
    opacity: 1;
}

.banner-swiper .swiper-pagination-bullet:hover {
    opacity: 0.9;
}

/* 响应式适配 */
@media screen and (max-width: 767px) {
    .index-banner {
        display: none;
    }
}