/* 轮播图样式 */
.banner {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.slider {
    display: flex;
    width: 300%;
    height: 100%;
    transition: transform 0.5s ease;
}

.slider img {
    width: 33.333%;
    height: 100%;
    object-fit: cover;
}

.dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    cursor: pointer;
}

.dots span.active {
    background-color: #FFD700;
}

/* 内容区域样式 */
main {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

section {
    margin-bottom: 40px;
}

section h2 {
    color: #CC0000;
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8em;
}

.intro .content {
    display: flex;
    align-items: center;
    gap: 30px;
}

.intro img {
    width: 400px;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
}

.intro p {
    flex: 1;
    line-height: 1.8;
    text-indent: 2em;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.feature-item img {
    width: 200px;
    height: 150px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 15px;
}

.feature-item h3 {
    color: #8B0000;
    margin-bottom: 10px;
}

.feature-item p {
    line-height: 1.6;
}