/* 南京非遗主题自定义样式 */
:root {
    --nj-red: #c62f2f;
    --nj-gold: #d4af37;
    --nj-brown: #8b4513;
    --nj-light-brown: #a0522d;
    
    --primary-color: var(--nj-brown);
    --secondary-color: var(--nj-light-brown);
    --accent-color: var(--nj-gold);
    --text-dark: #2c1810;
    --text-light: #5d4037;
    --bg-light: #faf3e8;
    --bg-white: #fffaf0;
    --border-color: #e8d5c4;
}

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

body {
    font-family: "Noto Serif SC", "Source Han Serif SC", "Microsoft YaHei", serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: linear-gradient(135deg, #faf3e8 0%, #fffaf0 100%);
    min-height: 100vh;
}

/* 头部样式 - 中国风设计 */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 0;
    box-shadow: 0 4px 20px rgba(139, 69, 19, 0.3);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--nj-gold), var(--nj-red), var(--nj-gold));
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

.site-brand {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.site-title {
    color: #fff;
    font-size: 2.5em;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    letter-spacing: 4px;
}

.site-subtitle {
    color: var(--nj-gold);
    font-size: 1.1em;
    margin-top: 8px;
    font-style: italic;
}

.main-nav {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 15px 0;
}

.main-nav a {
    display: block;
    padding: 12px 25px;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 25px;
    margin: 0 8px;
    position: relative;
    overflow: hidden;
}

.main-nav a::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.main-nav a:hover::before {
    left: 100%;
}

.main-nav a:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 当前分类高亮样式 */
.current-category {
    background: rgba(255, 255, 255, 0.25);
    border: 2px solid var(--nj-gold);
    font-weight: 600;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 搜索框样式 */
.search-box {
    text-align: center;
    padding: 15px 0;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.search-box form {
    display: inline-flex;
    max-width: 500px;
    width: 100%;
}

.search-box input {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 25px 0 0 25px;
    font-size: 14px;
    outline: none;
}

.search-box button {
    background: var(--nj-gold);
    color: var(--text-dark);
    border: none;
    padding: 12px 25px;
    border-radius: 0 25px 25px 0;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.search-box button:hover {
    background: #ffd700;
}

/* 主要内容布局 */
.main-container {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 30px;
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

/* 文章内容区域 */
.content {
    background: var(--bg-white);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(139, 69, 19, 0.1);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.content-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 25px 30px;
    text-align: center;
}

/* 分类标签样式 */
.category-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9em;
    margin-bottom: 12px;
    border: 1px solid var(--nj-gold);
    font-weight: 500;
}

.content-header h1 {
    font-size: 2em;
    margin-bottom: 8px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

.content-intro {
    font-size: 1.1em;
    opacity: 0.95;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    padding: 0 20px;
}

.posts-list {
    padding: 0;
}

/* 文章项样式 */
.post-item {
    padding: 35px 30px;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.post-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.post-item:hover {
    background: linear-gradient(135deg, #fffaf0, #faf3e8);
    transform: translateX(5px);
}

.post-item:hover::before {
    opacity: 1;
}

.post-item:last-child {
    border-bottom: none;
}

.post-title {
    margin-bottom: 20px;
}

.post-title a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 1.8em;
    font-weight: 600;
    line-height: 1.3;
    transition: color 0.3s ease;
    display: block;
}

.post-title a:hover {
    color: var(--primary-color);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.post-meta {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.post-meta i {
    font-style: normal;
    opacity: 0.7;
}

.post-content {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 25px;
    text-align: justify;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
}

.read-more:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.post-footer {
    color: var(--text-light);
    font-size: 13px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

/* 非遗徽章样式 */
.heritage-badge {
    background: linear-gradient(135deg, var(--nj-red), var(--nj-brown));
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    border: 1px solid var(--nj-gold);
}

.heritage-item {
    border-left: 3px solid var(--nj-red);
    background: linear-gradient(135deg, #fffaf0, #faf3e8);
}

/* 侧边栏样式 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-widget {
    background: var(--bg-white);
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(139, 69, 19, 0.1);
    padding: 25px;
    border: 1px solid var(--border-color);
}

.widget-title {
    color: var(--primary-color);
    font-size: 1.3em;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.widget-title::before {
    content: "◆";
    color: var(--secondary-color);
}

.views-list {
    list-style: none;
}

.views-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 14px;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.views-list li:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.views-list li:last-child {
    border-bottom: none;
}

.view-count {
    background: var(--accent-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 500;
}

/* 分类标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cloud-tag {
    background: linear-gradient(135deg, #e8d5c4, #d7ccc8);
    color: var(--text-light);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.cloud-tag:hover {
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    color: white;
    transform: translateY(-2px);
}

/* 文章详情页特定样式 */
.post-detail {
    padding: 40px;
    margin: 0;
}

.post-header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 30px;
}

.post-detail .post-title {
    font-size: 2.2em;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.post-detail .post-meta {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.post-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin-top: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.post-detail .post-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 30px;
}

.post-detail .post-content p {
    margin-bottom: 20px;
    text-align: justify;
}

.post-detail .post-footer {
    color: var(--text-light);
    font-size: 13px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

/* 评论区域样式 */
.comments-section {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.comment-form {
    margin-bottom: 30px;
}

.comment-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.3s;
}

.comment-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    cursor: pointer;
    margin-top: 15px;
    font-weight: 600;
    transition: all 0.3s;
}

.submit-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.comment-item {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid var(--accent-color);
    transition: transform 0.3s;
}

.comment-item:hover {
    transform: translateX(5px);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
}

.comment-author {
    font-weight: 600;
    color: var(--primary-color);
}

.comment-time {
    color: var(--text-light);
}

.comment-content {
    line-height: 1.6;
    color: var(--text-dark);
}

.no-comments {
    text-align: center;
    color: var(--text-light);
    padding: 40px;
    font-style: italic;
    background: var(--bg-light);
    border-radius: 8px;
}

.login-prompt {
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: 20px;
}

.login-prompt a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.login-prompt a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .main-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .sidebar {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
    }
    
    .main-nav {
        flex-wrap: wrap;
    }
    
    .main-nav a {
        padding: 10px 15px;
        font-size: 14px;
        margin: 4px;
    }
    
    .site-title {
        font-size: 2em;
    }
    
    .main-container {
        padding: 0 15px;
        margin: 20px auto;
    }
    
    .post-item {
        padding: 25px 20px;
    }
    
    .post-title a {
        font-size: 1.5em;
    }
    
    .content-header {
        padding: 20px;
    }
    
    .content-header h1 {
        font-size: 1.6em;
    }
    
    .post-detail {
        padding: 20px;
    }
    
    .post-detail .post-title {
        font-size: 1.8em;
    }
    
    .post-detail .post-meta {
        gap: 15px;
        font-size: 12px;
    }
    
    .comment-header {
        flex-direction: column;
        gap: 5px;
    }
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, var(--primary-color), var(--text-dark));
    color: white;
    text-align: center;
    padding: 30px 20px;
    margin-top: 60px;
}

.footer p {
    opacity: 0.8;
    font-size: 14px;
}