/* 霓虹电光粉主题 - 渐进式交互设计 */
:root {
    --neon-pink: #ff2a6d;
    --neon-blue: #05d9e8;
    --neon-purple: #d300c5;
    --dark-bg: #0d0221;
    --darker-bg: #060118;
    --light-text: #ffffff;
    --dark-text: #0d0221;
    --transition-speed: 0.4s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Rajdhani', 'Arial Narrow', sans-serif;
}

@font-face {
    font-family: 'Rajdhani';
    src: url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;600;700&display=swap');
}

body {
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* 渐进式加载动画 */
.progressive-load {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.progressive-loaded {
    opacity: 1;
    transform: translateY(0);
}

/* 头部样式 - 霓虹光效 */
header {
    background-color: rgba(13, 2, 33, 0.9);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--neon-pink);
    box-shadow: 0 0 15px var(--neon-pink);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--light-text);
    text-shadow: 0 0 10px var(--neon-pink), 
                 0 0 20px var(--neon-purple);
    letter-spacing: 2px;
    transition: all var(--transition-speed);
}

.logo:hover {
    text-shadow: 0 0 15px var(--neon-pink), 
                 0 0 30px var(--neon-purple),
                 0 0 45px var(--neon-blue);
}

/* 导航栏霓虹效果 */
.neon-nav {
    display: flex;
    list-style: none;
    gap: 25px;
}

.neon-nav li a {
    color: var(--light-text);
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 1px;
    position: relative;
    transition: all var(--transition-speed);
}

.neon-nav li a::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-pink);
    box-shadow: 0 0 5px var(--neon-pink);
    transition: width var(--transition-speed);
}

.neon-nav li a:hover::before {
    width: 100%;
}

.neon-nav li a:hover {
    color: var(--neon-pink);
    text-shadow: 0 0 5px var(--neon-pink);
}

/* 主内容容器 */
.main-container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
    flex: 1;
}

/* 霓虹卡片设计 */
.neon-card {
    background: rgba(5, 217, 232, 0.05);
    border: 1px solid rgba(255, 42, 109, 0.3);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 30px;
    transition: all var(--transition-speed);
    box-shadow: 0 0 10px rgba(255, 42, 109, 0.1);
    position: relative;
    overflow: hidden;
}

.neon-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    z-index: -1;
    background: linear-gradient(45deg, 
                var(--neon-pink), 
                var(--neon-purple), 
                var(--neon-blue));
    background-size: 200% 200%;
    border-radius: 10px;
    opacity: 0;
    transition: opacity var(--transition-speed);
    animation: neonGlow 3s linear infinite;
}

.neon-card:hover::before {
    opacity: 0.7;
}

.neon-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(255, 42, 109, 0.3),
                0 10px 30px rgba(5, 217, 232, 0.2);
}

@keyframes neonGlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 文章网格布局 */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.article-card {
    background: rgba(13, 2, 33, 0.7);
    border-radius: 8px;
    overflow: hidden;
    transition: all var(--transition-speed);
    border: 1px solid rgba(255, 42, 109, 0.2);
}

.article-card:hover {
    border-color: var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 42, 109, 0.3);
    transform: scale(1.03);
}

.card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid rgba(255, 42, 109, 0.3);
}

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--light-text);
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-speed);
}

.article-card:hover .card-title {
    color: var(--neon-pink);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--neon-blue);
    margin-top: 15px;
}

/* 分类标签 */
.neon-tag {
    display: inline-block;
    padding: 3px 10px;
    background-color: rgba(255, 42, 109, 0.2);
    color: var(--neon-pink);
    border-radius: 15px;
    font-size: 12px;
    margin-bottom: 10px;
    border: 1px solid var(--neon-pink);
}

/* 文章详情页 */
.article-detail {
    max-width: 800px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 40px;
    text-align: center;
}

.article-title {
    font-size: 32px;
    margin-bottom: 20px;
    line-height: 1.3;
    color: var(--light-text);
    text-shadow: 0 0 5px var(--neon-pink);
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 25px;
    color: var(--neon-blue);
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.article-image {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 30px;
    border: 1px solid var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 42, 109, 0.3);
}

.article-content {
    line-height: 1.8;
    font-size: 17px;
}

.article-content p {
    margin-bottom: 20px;
}

/* 分页导航 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 40px;
}

.pagination a {
    padding: 10px 20px;
    border-radius: 30px;
    background-color: rgba(255, 42, 109, 0.1);
    border: 1px solid var(--neon-pink);
    color: var(--neon-pink);
    transition: all var(--transition-speed);
}

.pagination a:hover {
    background-color: var(--neon-pink);
    color: var(--dark-text);
    box-shadow: 0 0 10px var(--neon-pink);
}

/* 友情链接 */
.friend-links {
    background: rgba(13, 2, 33, 0.7);
    border-radius: 8px;
    padding: 25px;
    margin: 30px 0;
    border: 1px solid rgba(5, 217, 232, 0.3);
}

.friend-links h3 {
    margin-bottom: 20px;
    color: var(--light-text);
    font-size: 20px;
    text-shadow: 0 0 5px var(--neon-blue);
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.friend-links-container a {
    padding: 8px 15px;
    background-color: rgba(5, 217, 232, 0.1);
    border-radius: 20px;
    font-size: 14px;
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    transition: all var(--transition-speed);
}

.friend-links-container a:hover {
    background-color: var(--neon-blue);
    color: var(--dark-text);
    box-shadow: 0 0 10px var(--neon-blue);
}

/* 页脚样式 */
footer {
    background-color: var(--darker-bg);
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
    border-top: 1px solid var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 42, 109, 0.2);
}

.copyright {
    font-size: 14px;
    color: var(--neon-blue);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .neon-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .article-grid {
        grid-template-columns: 1fr;
    }
    
    .article-title {
        font-size: 26px;
    }
}

/* 渐进式交互增强 */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    }
    
    .scroll-reveal.active {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 加载动画 */
@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

.loading-placeholder {
    animation: pulse 1.5s infinite ease-in-out;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}