/* 渐进式交互主题 - 霓虹电光粉主色调 */
:root {
    --neon-pink: #ff2a6d;
    --neon-blue: #05d9e8;
    --dark-bg: #0d0221;
    --darker-bg: #070113;
    --text-primary: #d1f7ff;
    --text-secondary: #a5b3c9;
    --transition-speed: 0.4s;
    --glow-intensity: 0.8;
}

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

@keyframes text-glow {
    0% { text-shadow: 0 0 5px var(--neon-pink); }
    50% { text-shadow: 0 0 20px var(--neon-pink), 0 0 30px var(--neon-blue); }
    100% { text-shadow: 0 0 5px var(--neon-pink); }
}

@keyframes border-glow {
    0% { box-shadow: 0 0 5px var(--neon-pink); }
    50% { box-shadow: 0 0 15px var(--neon-pink), 0 0 25px var(--neon-blue); }
    100% { box-shadow: 0 0 5px var(--neon-pink); }
}

body {
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 42, 109, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(5, 217, 232, 0.1) 0%, transparent 20%);
    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 - 悬浮导航 */
header {
    background-color: rgba(13, 2, 33, 0.9);
    backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 42, 109, 0.3);
    transition: all var(--transition-speed) ease;
}

.header-scrolled {
    padding: 1rem 0;
    background-color: rgba(7, 1, 19, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
    animation: text-glow 3s infinite;
    transition: all var(--transition-speed) ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* 3D导航菜单 */
.nav-3d {
    perspective: 1000px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav ul li {
    position: relative;
    transform-style: preserve-3d;
    transition: transform var(--transition-speed);
}

nav ul li:hover {
    transform: translateZ(20px);
}

nav ul li a {
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 1px;
    position: relative;
    transition: all var(--transition-speed) ease;
}

nav ul li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-blue));
    transition: width var(--transition-speed) ease;
}

nav ul li a:hover::before {
    width: 100%;
}

/* 主内容容器 */
.container {
    flex: 1;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* 卡片悬浮效果 */
.card-hover {
    transition: all var(--transition-speed) ease;
    transform: translateZ(0);
}

.card-hover:hover {
    transform: translateY(-10px) translateZ(10px);
}

/* 文章网格布局 */
.article-matrix {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.article-card {
    background: rgba(20, 10, 50, 0.6);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 42, 109, 0.2);
    transition: all var(--transition-speed) ease;
    animation: border-glow 4s infinite;
}

.article-card:hover {
    border-color: var(--neon-pink);
    box-shadow: 0 10px 30px rgba(255, 42, 109, 0.3);
}

.card-image-container {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s ease;
}

.article-card:hover .card-image {
    transform: scale(1.1);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    line-height: 1.4;
    background: linear-gradient(90deg, var(--neon-pink), #ff8fab);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--neon-blue);
}

/* 分类标签 */
.category-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(255, 42, 109, 0.2);
    color: var(--neon-pink);
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid var(--neon-pink);
}

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

.article-header {
    text-align: center;
    margin-bottom: 3rem;
}

.article-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: text-glow 3s infinite;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.article-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 42, 109, 0.3);
    animation: border-glow 4s infinite;
}

.article-content {
    line-height: 1.8;
    font-size: 1.1rem;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5rem 0;
    border: 1px solid rgba(5, 217, 232, 0.3);
}

/* 分页导航 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
}

.pagination a {
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    background: rgba(255, 42, 109, 0.1);
    border: 1px solid var(--neon-pink);
    color: var(--neon-pink);
    transition: all var(--transition-speed) ease;
}

.pagination a:hover {
    background: var(--neon-pink);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

/* 友情链接 */
.friend-links {
    background: rgba(20, 10, 50, 0.6);
    border-radius: 8px;
    padding: 2rem;
    margin: 3rem 0;
    border: 1px solid rgba(5, 217, 232, 0.3);
}

.friend-links h3 {
    margin-bottom: 1.5rem;
    color: var(--neon-blue);
    font-size: 1.5rem;
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.friend-links-container a {
    padding: 0.5rem 1.2rem;
    background: rgba(5, 217, 232, 0.1);
    border-radius: 20px;
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    transition: all var(--transition-speed) ease;
}

.friend-links-container a:hover {
    background: var(--neon-blue);
    color: var(--dark-bg);
}

/* 页脚样式 */
footer {
    background-color: var(--darker-bg);
    padding: 2rem 0;
    text-align: center;
    margin-top: 3rem;
    border-top: 1px solid rgba(255, 42, 109, 0.3);
}

.copyright {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .article-title {
        font-size: 2rem;
    }
    
    .article-matrix {
        grid-template-columns: 1fr;
    }
}

/* 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, transform 0.6s ease;
    }
    
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}