/* 轮播图样式 */
.banner {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.banner-img {
    position: relative;
    height: 100%;
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.banner-img img {
    min-width: 100%;
    height: 100%;
    object-fit: cover;
    flex-shrink: 0;
}

.banner-btn {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    padding: 10px;
    border-radius: 20px;
    background-color: rgba(0,0,0,0.3);
}

.banner-btn span {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.banner-btn span:hover {
    background-color: rgba(255,255,255,0.8);
    transform: scale(1.2);
}

.banner-btn span.active {
    background-color: #fff;
    transform: scale(1.2);
}

/* 轮播图导航按钮 */
.banner-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    z-index: 10;
    pointer-events: none;
}

.banner-nav button {
    position: absolute;
    width: 40px;
    height: 40px;
    border: none;
    background-color: rgba(0,0,0,0.3);
    color: #fff;
    cursor: pointer;
    pointer-events: auto;
    transition: all 0.3s ease;
    border-radius: 50%;
}

.banner-nav button:hover {
    background-color: rgba(0,0,0,0.6);
}

.banner-nav .prev {
    left: 20px;
}

.banner-nav .next {
    right: 20px;
}

.banner-nav button::before {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    top: 50%;
    left: 50%;
}

.banner-nav .prev::before {
    transform: translate(-30%, -50%) rotate(45deg);
}

.banner-nav .next::before {
    transform: translate(-70%, -50%) rotate(-135deg);
}

/* 内容区样式 */
.content {
    padding: 50px 0;
}

.intro h2 {
    text-align: center;
    font-size: 28px;
    color: #c41230;
    margin-bottom: 30px;
}

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

.intro-content img {
    width: 400px;
    height: 300px;
    object-fit: cover;
    margin-right: 30px;
}

.intro-content p {
    flex: 1;
    line-height: 1.8;
    font-size: 16px;
}