/* 页面公共样式 - 基础布局和组件样式 */

/* 基础重置和通用样式 */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'tahoma', 'arial', 'Hiragino Sans GB', 'Microsoft YaHei', '黑体', 'sans-serif';
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #FFF;
}

/* 导航栏样式 */
.collapse.navbar-collapse {
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav.navbar-nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 30px;
}

.nav.navbar-nav li {
    position: relative;
}

.nav.navbar-nav li a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    padding: 10px 15px;
    transition: color 0.3s ease;
}

.nav.navbar-nav li a:hover {
    color: #007bff;
}

/* 幻灯片容器样式 */
.slides {
    min-height: 100vh;
    position: relative;
}

.slide {
    width: 100%;
    position: relative;
}

.s-layout-a {
    position: relative;
    z-index: 0;
}

.s-container {
    max-width: 3000px;
    margin: 0 auto;
    position: relative;
}

/* 轮播图样式 */
.s-images1 {
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.s-images-render-container {
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
}

/* 确保轮播容器居中 */
.carousel-container {
    position: relative;
    max-width: 1900px;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
}

/* 轮播图片列表 */
.carousel-slides {
    display: flex;
    transition: transform 0.5s ease-in-out;
    width: 100%;
}

/* 单张图片样式 */
.carousel-slide {
    min-width: 100%;
    box-sizing: border-box;
    flex-shrink: 0;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* 导航按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
}

.carousel-btn:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.carousel-btn.prev {
    left: 20px;
}

.carousel-btn.next {
    right: 20px;
}

/* 指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

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

.carousel-indicator.active {
    background-color: white;
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .nav.navbar-nav {
        gap: 20px;
    }
    
    .nav.navbar-nav li a {
        font-size: 14px;
        padding: 8px 12px;
    }
}

@media (max-width: 768px) {
    /* 强制头部单行显示 */
    .header {
        height: 60px; /* 固定头部高度 */
        padding: 0 15px !important;
        display: flex;
        align-items: center;
        overflow: visible; /* 允许菜单溢出显示 */
        position: fixed !important; /* 强制固定定位，确保在所有页面一致 */
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 1000 !important;
        background-color: #fff !important; /* 确保背景色为白色 */
        box-shadow: 0 2px 4px rgba(0,0,0,0.05) !important; /* 添加轻微阴影 */
    }

    /* 占位元素，防止内容被固定头部遮挡 */
    body {
        padding-top: 120px;
    }

    .collapse.navbar-collapse {
        margin-left: 0 !important;
    }
    
    .nav.navbar-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .nav.navbar-nav li a {
        font-size: 14px;
        padding: 6px 10px;
    }
    
    /* 针对 .nav-menu 的样式 (common/navigation.php 生成) */
    .header-container {
        flex-direction: row; /* 改回横向排列 */
        align-items: center;
        justify-content: space-between;
        padding: 0 !important;
        position: relative;
        width: 100%;
        height: 100%;
        margin: 0 !important;
    }

    /* 使用 !important 强制覆盖可能存在的其他样式 */
    .nav-menu {
        flex-direction: column !important;
        width: 100% !important;
        gap: 0 !important;
        margin-top: 0 !important;
        display: none !important; /* 默认隐藏 */
        position: absolute !important;
        top: 60px !important; /* 紧贴 Header 底部 */
        left: -15px !important; /* 抵消 header padding */
        right: -15px !important; /* 抵消 header padding */
        width: calc(100% + 30px) !important;
        background: #fff !important;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1) !important;
        padding: 0 !important;
        z-index: 1001 !important;
    }
    
    .nav-menu.active {
        display: flex !important; /* 激活时显示 */
    }

    .nav-menu li {
        width: 100% !important;
        border-bottom: 1px solid #f0f0f0 !important;
        display: block !important;
    }

    .nav-menu li:last-child {
        border-bottom: none !important;
    }

    .nav-menu li a {
        display: block !important;
        padding: 15px 20px !important;
        font-size: 16px !important;
        text-align: left !important;
    }
    
    .logo-container {
        margin-bottom: 0 !important;
        height: 100%;
        display: flex;
        align-items: center;
    }
    
    img.logo, .logo {
        max-height: 100px !important;
        width: auto !important;
        height: auto !important;
    }

    /* 汉堡菜单按钮 */
    .mobile-menu-toggle {
        display: block !important;
        background: none !important;
        border: none !important;
        font-size: 24px !important;
        color: #333 !important;
        cursor: pointer !important;
        padding: 10px !important;
        line-height: 1 !important;
        position: absolute !important; /* 强制绝对定位 */
        right: 0 !important; /* 固定在右侧 */
        top: 50% !important;
        transform: translateY(-50%) !important;
        margin: 0 !important;
        z-index: 1002 !important; /* 确保在最上层 */
    }
    
    /* 确保 nav 标签不影响布局 */
    nav {
        display: contents; /* 改回 contents，以便 .nav-menu 能正常显示 */
    }
    
    /* 当 .nav-menu 显示时，需要确保它能被看见 */
    .nav-menu.active {
        display: flex !important;
    }
}