:root {
    --primary-color: #4a6fa5;
    --secondary-color: #166088;
    --accent-color: #4fc3f7;
    --text-color: #333;
    --light-text: #666;
    --lighter-text: #999;
    --bg-color: #fff;
    --light-bg: #f5f7fa;
    --border-color: #e1e4e8;
    --border-radius: 12px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* 头部样式 */
.site-header {
    background-color: var(--bg-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.main-nav {
    display: flex;
    gap: 20px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 4px 0;
    transition: var(--transition);
}

/* 搜索区域 */
.search-section {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin: 30px 0;
}

.search-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.tab-button {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--light-text);
    transition: var(--transition);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.search-form, .pattern-form {
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
}

.search-button {
    padding: 12px 25px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.pattern-inputs {
    display: flex;
    gap: 10px;
    flex: 1;
}

.pattern-inputs input {
    width: 60px;
    text-align: center;
    padding: 12px 0;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1.2rem;
}

/* 成语卡片 */
.idiom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.idiom-card {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    display: block;
}

.idiom-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    text-decoration: none;
}

.idiom-card h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 1.3rem;
}

.idiom-card p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* 成语详情页 */
.idiom-detail {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin: 30px 0;
}

.idiom-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.idiom-header h1 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.pinyin {
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 15px;
}

.idiom-form {
    display: inline-block;
    background-color: var(--light-bg);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.idiom-content {
    margin-bottom: 30px;
}

.idiom-content h2 {
    color: var(--secondary-color);
    margin: 20px 0 15px;
    font-size: 1.5rem;
}

.idiom-content h3 {
    color: var(--primary-color);
    margin: 15px 0 10px;
    font-size: 1.2rem;
}

.idiom-content p {
    margin-bottom: 10px;
    line-height: 1.8;
}

.sentence-list {
    margin-top: 15px;
}

.sentence-item {
    background-color: var(--light-bg);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
}

.sentence-item p {
    margin-bottom: 5px;
}

.sentence-item cite {
    display: block;
    text-align: right;
    color: var(--lighter-text);
    font-size: 0.9rem;
}

/* 成语元信息 */
.idiom-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

@media (max-width: 768px) {
    .idiom-meta {
        grid-template-columns: 1fr;
    }
}

.chars-included h3, .dragon-links h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.chars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    gap: 10px;
}

.char-item {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-bg);
    height: 50px;
    border-radius: var(--border-radius);
    font-size: 1.5rem;
    transition: var(--transition);
}

.char-item:hover {
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
}

.dragon-section {
    margin-bottom: 20px;
}

.dragon-section h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.dragon-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.dragon-list a {
    background-color: var(--bg-color);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.dragon-list a:hover {
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-color: var(--primary-color);
}

/* 搜索结果页 */
.search-results h1 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.result-count {
    color: var(--light-text);
    margin-bottom: 20px;
}

.idiom-list {
    display: grid;
    gap: 15px;
}

.idiom-item {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
}

.idiom-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 5px;
    display: inline-block;
}

.idiom-pinyin {
    color: var(--light-text);
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.idiom-explain {
    color: var(--text-color);
}

.no-results {
    text-align: center;
    padding: 40px 0;
}

.no-results p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.button {
    display: inline-block;
    padding: 10px 25px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.button:hover {
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-color);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .search-form, .pattern-form {
        flex-direction: column;
    }
    
    .search-button {
        width: 100%;
    }
    
    .pattern-inputs {
        justify-content: center;
    }
}
.dragon-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}
@media (max-width: 768px) {
    .dragon-links {
        grid-template-columns: 1fr;
    }
}
/* 页脚 */
.site-footer {
    background-color: var(--bg-color);
    padding: 30px 0;
    margin-top: 50px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--light-text);
    font-size: 0.9rem;
}
.text-success {
    color: #28a745!important;
}
/* 添加高亮样式 */
.highlight {
    /* background-color: #ffeb3b; */
    color: #d32f2f;
/*     font-weight: bold;
    padding: 0 2px;
    border-radius: 3px;
    box-shadow: 0 1px 1px rgba(0,0,0,0.1); */
}

/* 调整搜索结果样式 */
.idiom-item .highlight {
    /* background-color: #fff9c4; */
    color: #f73131;
}

.idiom-title .highlight {
    /* font-size: 1.1em; */
    /* background-color: #ffcdd2; */
    color: #f73131;
}

/* 形式筛选样式 */

.form-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.form-filter {
    padding: 8px 16px;
    background-color: var(--light-bg);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-filter:hover, .form-filter.active {
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
}

.form-results {
    margin-top: 30px;
}

/* 国学经典专用样式 */
.search-section h1 {
    color: #5d4037;
    text-align: center;
    margin-bottom: 20px;
}

.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin: 20px 0;
    text-align: center;
}

.alert-error {
    background-color: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}

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

.item-card {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 15px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    display: block;
    border-left: 4px solid #5d4037;
}

.item-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-decoration: none;
}

.detail-container {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin: 30px 0;
}

.detail-header h1 {
    color: #5d4037;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.explanation-text {
    line-height: 1.8;
    font-size: 1.1rem;
}

.related-items {
    margin: 40px 0;
}

.related-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.related-item {
    display: block;
    padding: 15px;
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.related-item:hover {
    background-color: #efebe9;
    text-decoration: none;
}

.related-title {
    display: block;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.related-desc {
    display: block;
    color: var(--light-text);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .item-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .related-list {
        grid-template-columns: 1fr;
    }
}

/* 现代标题样式 */
.section-title {
    position: relative;
    font-size: 1.5rem;
    margin: 2rem 0 1.5rem;
    padding-bottom: 0.5rem;
    color: #5d4037;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #5d4037, transparent);
}

.section-title i {
    margin-right: 10px;
    font-size: 1.3em;
    vertical-align: middle;
}

/* 8列瀑布流布局 */
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    margin: 1.5rem 0;
}

.masonry-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    aspect-ratio: 1/1;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.card-content {
    position: relative;
    z-index: 2;
    padding: 16px;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: linear-gradient(transparent 40%, rgba(0,0,0,0.5));
    color: white;
}

.masonry-card h3 {
    margin-top: auto;
    font-size: 1.1rem;
    line-height: 1.3;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.masonry-card p {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-top: 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #5d4037, #8d6e63);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1;
}

.masonry-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.12);
}

.masonry-card:hover .card-hover {
    opacity: 0.9;
}

/* 热门查询水平滚动条 */
.popular-scroller {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: #5d4037 #f5f5f5;
    margin: 0 -20px;
    padding: 10px 20px;
}

.popular-scroller::-webkit-scrollbar {
    height: 6px;
}

.popular-scroller::-webkit-scrollbar-track {
    background: #f5f5f5;
    border-radius: 3px;
}

.popular-scroller::-webkit-scrollbar-thumb {
    background: #5d4037;
    border-radius: 3px;
}

.popular-chip {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    transition: all 0.3s;
    flex-shrink: 0;
    overflow: hidden;
}

.chip-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #5d4037, #8d6e63);
    opacity: 0;
    transition: opacity 0.3s;
}

.chip-text {
    position: relative;
    color: #5d4037;
    transition: color 0.3s;
}

.popular-chip:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.popular-chip:hover .chip-bg {
    opacity: 0.1;
}

.popular-chip:hover .chip-text {
    color: #3e2723;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .masonry-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

@media (max-width: 768px) {
    .masonry-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 8px;
    }
    
    .masonry-card {
        aspect-ratio: 1/1.2;
    }
    
    .card-content {
        padding: 12px;
    }
    
    .masonry-card h3 {
        font-size: 1rem;
    }
}

/* 8列网格布局 */
.grid-8cols {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 12px;
    margin: 1.5rem 0;
}

.grid-item {
    background: #fff;
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.grid-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(93, 64, 55, 0.1);
    border-color: #5d403755;
}

.item-content h3 {
    font-size: 1rem;
    color: #5d4037;
    margin-bottom: 6px;
    line-height: 1.3;
}

.item-content p {
    font-size: 0.8rem;
    color: #666;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .grid-8cols { grid-template-columns: repeat(6, 1fr); }
}

@media (max-width: 768px) {
    .grid-8cols { grid-template-columns: repeat(4, 1fr); }
    .grid-item { padding: 10px; }
}

@media (max-width: 480px) {
    .grid-8cols { grid-template-columns: repeat(3, 1fr); }
}

.popular-section {
    background: #f9f5f3;
    padding: 20px;
    border-radius: 12px;
    margin-top: 40px;
}

.popular-scroller {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}

.detail-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;

}

.detail-header h1 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
}