/* 青春风格主题 */
:root {
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --background-color: #F7FFF7;
    --text-color: #292F36;
    --card-color: #FFFFFF;
    --shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    --radius: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Comic Neue', cursive, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 头部样式 */
header {
    background-color: var(--primary-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 32px;
    font-weight: 700;
    color: white;
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.1);
    animation: pulse 2s infinite;
}

.logo span {
    color: var(--accent-color);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 15px;
}

nav ul li a {
    color: white;
    padding: 8px 15px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    background-color: rgba(255, 255, 255, 0.2);
}

nav ul li a:hover {
    background-color: var(--accent-color);
    color: var(--text-color);
    transform: scale(1.1);
}

/* 主要内容区域 */
.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.main-content {
    background-color: var(--card-color);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.main-content:hover {
    transform: translateY(-5px);
}

.section-title {
    font-size: 28px;
    margin-bottom: 25px;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 4px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

/* 文章网格布局 */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.article-card {
    background-color: var(--card-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-excerpt {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--primary-color);
}

.card-meta .likes {
    color: var(--secondary-color);
    font-weight: 700;
}

/* 分类标签 */
.category-tag {
    display: inline-block;
    padding: 3px 12px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 10px;
}

/* 文章详情页 */
.article-detail {
    max-width: 800px;
    margin: 0 auto;
}

.article-header {
    text-align: center;
    margin-bottom: 40px;
}

.article-title {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--primary-color);
    line-height: 1.3;
}

.article-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    color: var(--secondary-color);
    font-weight: 600;
}

.article-image {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: var(--radius);
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.article-content {
    line-height: 1.8;
    font-size: 16px;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: var(--shadow);
}

/* 分页导航 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a {
    padding: 10px 20px;
    border-radius: 50px;
    background-color: var(--secondary-color);
    color: white;
    font-weight: 600;
    transition: all 0.3s;
}

.pagination a:hover {
    background-color: var(--primary-color);
    transform: scale(1.1);
}

/* 友情链接 */
.friend-links {
    background-color: var(--card-color);
    border-radius: var(--radius);
    padding: 25px;
    margin: 30px 0;
    box-shadow: var(--shadow);
}

.friend-links h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 24px;
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.friend-links-container a {
    padding: 8px 15px;
    background-color: var(--accent-color);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    transition: all 0.3s;
}

.friend-links-container a:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
}

/* 页脚样式 */
footer {
    background-color: var(--primary-color);
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
    color: white;
}

.copyright {
    font-size: 14px;
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .article-grid {
        grid-template-columns: 1fr;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
}

/* 浮动装饰元素 */
.decorator {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: rgba(78, 205, 196, 0.2);
    z-index: -1;
    animation: float 6s ease-in-out infinite;
}

.decorator-1 {
    top: 10%;
    left: 5%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
}

.decorator-2 {
    top: 40%;
    right: 5%;
    width: 80px;
    height: 80px;
    animation-delay: 1s;
}

.decorator-3 {
    bottom: 20%;
    left: 10%;
    width: 120px;
    height: 120px;
    animation-delay: 2s;
}