/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* 导航栏样式 */
.main-nav {
    background-color: #1a5d1a;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #b7e4c7;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #40916c;
    text-decoration: none;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #1a5d1a;
    min-width: 160px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content li {
    list-style: none;
}

.dropdown-content a {
    color: #b7e4c7;
    padding: 12px 16px;
    display: block;
}

.dropdown-content a:hover {
    background-color: #2d6a4f;
}

/* 轮播图样式 */
.slider-container {
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto;
    overflow: hidden;
    position: relative;
}

/* 隐藏radio按钮 */
.slider-container input {
    display: none;
}

.slider {
    width: 400%;
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.slide {
    width: 25%;
}

.slide img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* 轮播图导航按钮 */
.slider-nav button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(26, 93, 26, 0.6);
    color: #fff;
    border: none;
    padding: 1rem 1.2rem;
    cursor: pointer;
    font-size: 1.5rem;
    border-radius: 50%;
    transition: background-color 0.3s ease;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-nav button:hover {
    background-color: rgba(26, 93, 26, 0.9);
}

.prev {
    left: 20px;
}

.next {
    right: 20px;
}

/* 轮播图指示点 */
.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.slider-dots label {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.slider-dots label:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

/* 根据选中的radio按钮显示对应的图片 */
#slide1:checked ~ .slider { transform: translateX(0); }
#slide2:checked ~ .slider { transform: translateX(-25%); }
#slide3:checked ~ .slider { transform: translateX(-50%); }
#slide4:checked ~ .slider { transform: translateX(-75%); }

/* 更新指示点的激活状态 */
#slide1:checked ~ .slider-dots label:nth-child(1),
#slide2:checked ~ .slider-dots label:nth-child(2),
#slide3:checked ~ .slider-dots label:nth-child(3),
#slide4:checked ~ .slider-dots label:nth-child(4) {
    background-color: #fff;
}

/* 确保按钮在移动设备上也能正常显示 */
@media (max-width: 768px) {
    .slider-nav button {
        padding: 0.8rem 1rem;
        font-size: 1.2rem;
    }
    
    .slider-dots label {
        width: 10px;
        height: 10px;
    }
}

/* 设置导航按钮的点击行为 */
#slide1:checked ~ .slider-nav .next { cursor: pointer; }
#slide1:checked ~ .slider-nav .next:hover + #slide2 { checked: true; }

#slide2:checked ~ .slider-nav .prev { cursor: pointer; }
#slide2:checked ~ .slider-nav .next { cursor: pointer; }
#slide2:checked ~ .slider-nav .prev:hover + #slide1 { checked: true; }
#slide2:checked ~ .slider-nav .next:hover + #slide3 { checked: true; }

#slide3:checked ~ .slider-nav .prev { cursor: pointer; }
#slide3:checked ~ .slider-nav .next { cursor: pointer; }
#slide3:checked ~ .slider-nav .prev:hover + #slide2 { checked: true; }
#slide3:checked ~ .slider-nav .next:hover + #slide4 { checked: true; }

#slide4:checked ~ .slider-nav .prev { cursor: pointer; }
#slide4:checked ~ .slider-nav .prev:hover + #slide3 { checked: true; }

/* 内容区域样式 */
.content {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

h1 {
    text-align: center;
    color: #1a5d1a;
    margin-bottom: 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.feature-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.feature-item h3 {
    color: #1a5d1a;
    margin-bottom: 0.5rem;
}

/* 表单样式 */
.contact-form {
    max-width: 800px;
    margin: 3rem auto;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.contact-form h2 {
    color: #1a5d1a;
    text-align: center;
    margin-bottom: 2rem;
}

.form-table {
    width: 100%;
    border-collapse: collapse;
}

.form-table td {
    padding: 0.8rem;
    border: 1px solid #ddd;
}

.form-table input,
.form-table textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-table button {
    background-color: #1a5d1a;
    color: #fff;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s ease;
}

.form-table button:hover {
    background-color: #2d6a4f;
}

/* 页脚样式 */
footer {
    background-color: #1a5d1a;
    color: #fff;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}