body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
}
header {
    background-color: white;
    padding: 20px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    color: red;
}
section {
    padding: 20px;
}
h2 {
    color: #3498db;
}
img {
    max-width: 100%;
    display: block;
    margin: 10px auto;
}
ul {
    list-style-type: disc;
    margin-left: 20px;
}
.advantage {
    margin-top: 30px;
}
.advantage li:before {
    content: "✔ ";
    color: green;
}
.slides input {
    display: none;
}
.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s;
}
.slides input:checked + .slide {
    opacity: 1;
}
.navigation {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
}
.navigation label {
    cursor: pointer;
    padding: 5px;
    background-color: #ccc;
    margin: 0 5px;
}
.navigation label:hover {
    background-color: #aaa;
}
.slider {
    position: relative;
    width: 100%%;
    height: 400px;
    margin: auto;
    overflow: hidden;
}
.slides {
    display: flex;
    width: 100%;
    height: 100%;
}
.slide {
    flex: 0 0 100%;
    background-size: cover;
    background-position: center;
    transition: opacity 0.5s;
    opacity: 0;
}
.active {
    opacity: 1 !important; /* 确保这个规则覆盖了.slide的opacity */
}
.control-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0); /* 透明背景 */
    color: white; /* 按钮文本颜色 */
    border: none; /* 移除边框 */
    cursor: pointer;
    padding: 10px;
    z-index: 2;
    font-size: 50px; /* 调整箭头大小 */
    opacity: 0;
    transition: opacity 0.3s ease;
}
.control-btn:hover {
    color: red; /* 鼠标悬停时的颜色 */
}
.slider:hover .control-btn {
    opacity: 1;
}
.prev-btn {
    left: 10px;
}
.next-btn {
    right: 10px;
}
.slide {
    flex: 0 0 100%;
    background-size: cover;
    background-position: center;
    transition: opacity 0.5s;
    opacity: 0;
}
/* 圆点指示器样式 */
.slider-indicators {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.indicator {
    height: 10px;
    width: 10px;
    background-color: white;
    border-radius: 50%;
    display: inline-block;
    margin: 0 5px;
    cursor: pointer;
}

.active-indicator {
    background-color: red;
}


footer {
    background-color: #f1f1f1; /* 背景颜色 */
    text-align: center; /* 文本居中 */
    padding: 10px; /* 内边距 */
    position: relative; /* 使 footer 在页面底部 */
    bottom: 0; /* 在底部 */
    width: 100%; /* 宽度100% */
}

footer a {
    color: #007BFF; /* 超链接颜色 */
    text-decoration: none; /* 去掉下划线 */
}

footer a:hover {
    text-decoration: underline; /* 悬停时显示下划线 */
}