* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    background-color: #f5f5f5;
    padding: 30px 0;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
}

.title {
    text-align: center;
    font-size: 32px;
    color: #c0392b;
    margin-bottom: 30px;
}

.carousel-box {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.carousel {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    border-radius: 8px;
}

.carousel-item {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.carousel-item.active {
    opacity: 1;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.intro-box {
    margin-top: 20px;
    min-height: 120px;
}

.intro-text {
    font-size: 16px;
    line-height: 1.7;
    color: #333;
    display: none;
}

.intro-text.active {
    display: block;
}