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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.site-header {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-branding h1 {
    font-size: 24px;
    margin-bottom: 5px;
}

.site-branding h1 a {
    color: #fff;
    text-decoration: none;
}

.site-branding p {
    font-size: 14px;
    color: #ccc;
}

.user-actions {
    text-align: right;
}

.login-note {
    font-size: 12px;
    color: #ccc;
    margin-top: 5px;
}

/* 导航样式 */
.site-nav {
    background-color: #444;
    padding: 10px 0;
}

.site-nav ul {
    list-style: none;
    display: flex;
}

.site-nav li {
    margin-right: 20px;
}

.site-nav a {
    color: #fff;
    text-decoration: none;
    padding: 5px 10px;
    display: block;
}

.site-nav a:hover,
.site-nav a.active {
    background-color: #555;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.btn-primary {
    background-color: #555;
    color: #fff;
}

.btn-primary:hover {
    background-color: #666;
}

.btn-secondary {
    background-color: #777;
    color: #fff;
}

.btn-secondary:hover {
    background-color: #888;
}

.btn-success {
    background-color: #6b8e23;
    color: #fff;
}

.btn-success:hover {
    background-color: #7c9e34;
}

.btn-danger {
    background-color: #a0522d;
    color: #fff;
}

.btn-danger:hover {
    background-color: #b1633e;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 12px;
}

/* 搜索样式 */
.search-section {
    margin: 20px 0;
}

.search-form {
    display: flex;
    max-width: 600px;
}

.search-form input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
}

.search-form button {
    border-radius: 0 4px 4px 0;
}

/* 建筑网格样式 */
.architecture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.architecture-card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-content {
    padding: 15px;
}

.card-content h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.card-content h3 a {
    color: #333;
    text-decoration: none;
}

.card-content h3 a:hover {
    color: #555;
}

.card-content p {
    margin-bottom: 8px;
    font-size: 14px;
}

.description {
    color: #666;
    margin-bottom: 15px;
}

/* 建筑详情样式 */
.architecture-detail {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.architecture-detail h1 {
    margin-bottom: 20px;
    font-size: 24px;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.gallery-item {
    max-width: 100%;
    overflow: hidden;
    border-radius: 4px;
}

.gallery-item img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: cover;
    border-radius: 4px;
    transition: transform 0.3s ease;
}

.gallery-item img:hover {
    transform: scale(1.05);
}

.detail-info {
    margin: 20px 0;
}

.detail-info p {
    margin-bottom: 10px;
    font-size: 16px;
}

.action-buttons {
    margin-top: 20px;
}

.action-buttons .btn {
    margin-right: 10px;
}

/* 登录页面样式 */
.login-form {
    max-width: 400px;
    margin: 50px auto;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.login-form h1 {
    margin-bottom: 10px;
    font-size: 24px;
    text-align: center;
}

.login-form p {
    margin-bottom: 20px;
    text-align: center;
    color: #666;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

/* 复选框标签样式 */
.form-group label.checkbox-label {
    display: flex;
    align-items: center;
}

.form-group label.checkbox-label input[type="checkbox"] {
    margin-right: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.empty-message {
    background-color: #e2e3e5;
    color: #383d41;
    padding: 20px;
    border-radius: 4px;
    text-align: center;
    margin: 20px 0;
}

.login-note {
    margin-top: 15px;
    font-size: 12px;
    color: #666;
    text-align: center;
}

/* 页脚样式 */
.site-footer {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
    margin-top: 40px;
}

.site-footer p {
    text-align: center;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .user-actions {
        margin-top: 10px;
        width: 100%;
        text-align: left;
    }
    
    .site-nav ul {
        flex-wrap: wrap;
    }
    
    .site-nav li {
        margin-right: 10px;
        margin-bottom: 5px;
    }
    
    .architecture-grid {
        grid-template-columns: 1fr;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .search-form input {
        border-radius: 4px;
        margin-bottom: 10px;
    }
    
    .search-form button {
        border-radius: 4px;
    }
    
    .form-row {
        flex-direction: column;
    }
}

/* 屏幕方向响应式设计 */
@media (orientation: landscape) {
    /* 横屏模式下的样式 */
    .architecture-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .gallery-item img {
        max-height: 350px;
    }
}

@media (orientation: portrait) {
    /* 竖屏模式下的样式 */
    .architecture-grid {
        grid-template-columns: 1fr;
    }
    
    .image-gallery {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        max-height: 250px;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* 小屏幕设备 */
@media (max-width: 480px) {
    .image-gallery {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        max-height: 200px;
    }
}