/* 歇后语页面样式 */
:root {
    --primary-color: #d32f2f;
    --secondary-color: #f44336;
    --accent-color: #ffeb3b;
    --text-color: #333;
    --light-bg: #f9f9f9;
    --card-bg: #fff;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --hover-color: #f5f5f5;
}

/* 页面通用样式 */
.xiehouyu-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: var(--light-bg);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.xiehouyu-header h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.xiehouyu-header p {
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

/* 分类部分样式 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.category-item {
    display: block;
    padding: 1.5rem;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-color);
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.category-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px var(--shadow-color);
    border-color: var(--secondary-color);
}

.category-item .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
    text-align: center;
}

.category-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.category-item p {
    color: #666;
    font-size: 0.9rem;
}

/* 字母导航样式 */
.alphabet-section {
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: var(--light-bg);
    border-radius: 8px;
}

.alphabet-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0;
}

.alphabet-list a {
    display: inline-block;
    width: 2.5rem;
    height: 2.5rem;
    line-height: 2.5rem;
    text-align: center;
    background-color: var(--card-bg);
    border-radius: 50%;
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 2px 5px var(--shadow-color);
    transition: all 0.3s ease;
}

.alphabet-list a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

/* 热门歇后语样式 */
.xiehouyu-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.xiehouyu-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-color);
    padding: 1.5rem;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.xiehouyu-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.xiehouyu-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.xiehouyu-card p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.xiehouyu-card .front-part {
    font-weight: bold;
    color: var(--primary-color);
}

.xiehouyu-card .back-part {
    font-weight: bold;
    color: var(--secondary-color);
}

.xiehouyu-card .explanation {
    color: #555;
    font-size: 0.95rem;
}

.xiehouyu-card .example {
    background-color: var(--light-bg);
    padding: 0.8rem;
    border-radius: 4px;
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

/* 游戏部分样式 */
.game-section {
    margin-bottom: 2rem;
}

.game-container {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-color);
    padding: 1.5rem;
    text-align: center;
}

.game-question {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.game-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.game-option {
    background-color: var(--light-bg);
    padding: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.game-option:hover {
    background-color: var(--hover-color);
    transform: translateY(-2px);
}

.game-option.correct {
    background-color: #4caf50;
    color: white;
}

.game-option.incorrect {
    background-color: #f44336;
    color: white;
}

.game-result {
    margin-bottom: 1rem;
    font-weight: bold;
    min-height: 24px;
}

.game-controls {
    margin-top: 1rem;
}

.game-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.game-button:hover {
    background-color: var(--secondary-color);
}

/* 接龙部分样式 */
.solitaire-section {
    margin-bottom: 2rem;
}

.solitaire-container {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-color);
    padding: 1.5rem;
}

.solitaire-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    text-align: center;
}

.solitaire-description {
    color: #666;
    margin-bottom: 1.5rem;
    text-align: center;
}

.solitaire-chain {
    background-color: var(--light-bg);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    min-height: 100px;
    max-height: 200px;
    overflow-y: auto;
}

.solitaire-item {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--border-color);
}

.solitaire-input {
    display: flex;
    gap: 0.5rem;
}

.solitaire-input input {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.solitaire-input button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.solitaire-input button:hover {
    background-color: var(--secondary-color);
}

/* 特点与用法部分样式 */
.tips-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.tip-item {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-color);
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.tip-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.tip-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.tip-item p {
    color: #555;
    line-height: 1.6;
}

/* 侧边栏样式 */
.sidebar .widget {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-color);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.sidebar .widget h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.featured-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.featured-item {
    display: block;
    padding: 1rem;
    background-color: var(--light-bg);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.featured-item:hover {
    background-color: var(--hover-color);
    transform: translateX(5px);
}

.featured-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.featured-item p {
    color: #666;
    font-size: 0.9rem;
}

.tool-list, .resource-list, .related-list {
    list-style: none;
    padding: 0;
}

.tool-list li, .resource-list li, .related-list li {
    margin-bottom: 0.5rem;
}

.tool-list a, .resource-list a, .related-list a {
    display: block;
    padding: 0.5rem;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.tool-list a:hover, .resource-list a:hover, .related-list a:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
    padding-left: 1rem;
}

.quote-section {
    margin-top: 2rem;
}

.daily-quote {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.quote-text {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.quote-explanation {
    color: #555;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .category-grid, .xiehouyu-list, .tips-list {
        grid-template-columns: 1fr;
    }
    
    .game-options {
        grid-template-columns: 1fr;
    }
    
    .alphabet-list a {
        width: 2rem;
        height: 2rem;
        line-height: 2rem;
        font-size: 0.9rem;
    }
}