/* 3D霓虹主题全局样式 */
:root {
    --neon-pink: #ff2a6d;
    --neon-blue: #05d9e8;
    --neon-purple: #d300c5;
    --dark-bg: #0d0221;
    --darker-bg: #070113;
    --text-color: #ffffff;
    --text-glow: 0 0 10px rgba(255, 255, 255, 0.8);
    --neon-glow: 0 0 10px var(--neon-pink), 
                0 0 20px var(--neon-pink), 
                0 0 30px var(--neon-pink);
    --transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

* {
    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(--text-color);
    line-height: 1.7;
    min-height: 100vh;
    perspective: 1000px;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--neon-blue);
    transition: var(--transition);
    text-shadow: var(--text-glow);
}

a:hover {
    color: var(--neon-pink);
    text-shadow: var(--neon-glow);
}

.container {
    width: 95%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 3D浮动头部样式 */
header {
    background: linear-gradient(145deg, rgba(13,2,33,0.9) 0%, rgba(70,0,77,0.7) 100%);
    padding: 25px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 42, 109, 0.3);
    transform-style: preserve-3d;
    transform: translateZ(20px);
}

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

.logo {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(to right, var(--neon-pink), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: var(--neon-glow);
    letter-spacing: 2px;
    transform: translateZ(30px);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateZ(30px); }
    50% { transform: translateY(-10px) translateZ(30px); }
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav ul li {
    position: relative;
    transform-style: preserve-3d;
}

nav ul li a {
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--neon-pink);
    box-shadow: 0 0 10px rgba(255, 42, 109, 0.3);
    transform-style: preserve-3d;
    transform: translateZ(20px);
    transition: var(--transition);
}

nav ul li a:hover {
    background: var(--neon-pink);
    color: var(--dark-bg);
    box-shadow: var(--neon-glow);
    transform: translateZ(30px) scale(1.1);
}

/* 3D卡片主要内容区域 */
.main-content {
    background: linear-gradient(145deg, rgba(13,2,33,0.8) 0%, rgba(70,0,77,0.6) 100%);
    border-radius: 20px;
    padding: 40px;
    margin: 40px 0;
    backdrop-filter: blur(5px);
    border: 1px solid var(--neon-pink);
    box-shadow: 0 0 30px rgba(255, 42, 109, 0.2);
    transform-style: preserve-3d;
    transform: translateZ(10px);
    transition: var(--transition);
}

.main-content:hover {
    transform: translateZ(20px);
    box-shadow: 0 0 40px rgba(255, 42, 109, 0.4);
}

.section-title {
    font-size: 28px;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--neon-blue);
    position: relative;
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
    transform: translateZ(20px);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, var(--neon-blue), transparent);
    box-shadow: 0 0 10px var(--neon-blue);
}

/* 3D悬浮文章网格 */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    perspective: 1000px;
}

.article-card {
    background: linear-gradient(145deg, rgba(13,2,33,0.9) 0%, rgba(70,0,77,0.7) 100%);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 42, 109, 0.2);
    transform-style: preserve-3d;
    transform: translateZ(0);
    position: relative;
}

.article-card:hover {
    transform: translateZ(20px) rotateX(5deg) rotateY(5deg);
    box-shadow: 0 20px 30px rgba(255, 42, 109, 0.4);
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,42,109,0.1) 0%, rgba(5,217,232,0.1) 100%);
    z-index: -1;
    border-radius: 15px;
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--neon-pink);
    filter: saturate(1.2) contrast(1.1);
    transition: var(--transition);
}

.article-card:hover .card-image {
    transform: scale(1.05);
    filter: saturate(1.5) contrast(1.2);
}

.card-body {
    padding: 25px;
    transform-style: preserve-3d;
}

.card-title {
    font-size: 20px;
    margin-bottom: 15px;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-color);
    text-shadow: var(--text-glow);
    transform: translateZ(20px);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--neon-blue);
    margin-top: 20px;
    text-shadow: 0 0 5px var(--neon-blue);
    transform: translateZ(15px);
}

/* 3D分类标签 */
.category-tag {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(to right, var(--neon-pink), var(--neon-purple));
    color: var(--dark-bg);
    border-radius: 50px;
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 15px;
    box-shadow: 0 0 10px var(--neon-pink);
    transform: translateZ(15px);
    transition: var(--transition);
}

.category-tag:hover {
    transform: translateZ(25px) scale(1.1);
    box-shadow: 0 0 20px var(--neon-pink);
}

/* 3D文章详情页样式 */
.article-detail {
    max-width: 900px;
    margin: 0 auto;
    transform-style: preserve-3d;
}

.article-header {
    margin-bottom: 50px;
    text-align: center;
    transform: translateZ(30px);
}

.article-title {
    font-size: 36px;
    margin-bottom: 25px;
    line-height: 1.3;
    color: var(--neon-pink);
    text-shadow: var(--neon-glow);
    animation: glow-pulse 2s infinite alternate;
}

@keyframes glow-pulse {
    from { text-shadow: 0 0 10px var(--neon-pink); }
    to { text-shadow: 0 0 20px var(--neon-pink), 
                    0 0 30px var(--neon-pink); }
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: var(--neon-blue);
    margin-bottom: 30px;
    flex-wrap: wrap;
    text-shadow: 0 0 5px var(--neon-blue);
}

.article-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 40px;
    border: 2px solid var(--neon-pink);
    box-shadow: var(--neon-glow);
    transform: translateZ(20px);
    transition: var(--transition);
}

.article-image:hover {
    transform: translateZ(30px) scale(1.02);
}

.article-content {
    line-height: 1.8;
    font-size: 18px;
    transform: translateZ(15px);
}

.article-content p {
    margin-bottom: 25px;
    text-shadow: var(--text-glow);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 30px 0;
    border: 1px solid var(--neon-blue);
    box-shadow: 0 0 15px var(--neon-blue);
    transform: translateZ(15px);
}

/* 3D分页导航 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
    transform-style: preserve-3d;
}

.pagination a {
    padding: 12px 25px;
    border-radius: 50px;
    background: linear-gradient(145deg, rgba(255,42,109,0.2) 0%, rgba(5,217,232,0.2) 100%);
    border: 1px solid var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 42, 109, 0.3);
    font-weight: 600;
    transform: translateZ(20px);
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--neon-pink);
    color: var(--dark-bg);
    box-shadow: var(--neon-glow);
    transform: translateZ(30px);
}

/* 3D友情链接 */
.friend-links {
    background: linear-gradient(145deg, rgba(13,2,33,0.8) 0%, rgba(70,0,77,0.6) 100%);
    border-radius: 15px;
    padding: 30px;
    margin: 40px 0;
    backdrop-filter: blur(5px);
    border: 1px solid var(--neon-blue);
    box-shadow: 0 0 25px rgba(5, 217, 232, 0.2);
    transform-style: preserve-3d;
    transform: translateZ(10px);
}

.friend-links h3 {
    margin-bottom: 25px;
    color: var(--neon-blue);
    font-size: 24px;
    text-shadow: 0 0 10px var(--neon-blue);
    transform: translateZ(20px);
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    transform-style: preserve-3d;
}

.friend-links-container a {
    padding: 10px 20px;
    background: linear-gradient(145deg, rgba(255,42,109,0.2) 0%, rgba(5,217,232,0.2) 100%);
    border-radius: 50px;
    font-size: 16px;
    border: 1px solid var(--neon-blue);
    box-shadow: 0 0 10px rgba(5, 217, 232, 0.3);
    transform: translateZ(15px);
    transition: var(--transition);
}

.friend-links-container a:hover {
    background: var(--neon-blue);
    color: var(--dark-bg);
    box-shadow: 0 0 20px var(--neon-blue);
    transform: translateZ(25px);
}

/* 3D页脚样式 */
footer {
    background: linear-gradient(145deg, rgba(13,2,33,0.9) 0%, rgba(70,0,77,0.8) 100%);
    padding: 40px 0;
    text-align: center;
    margin-top: 60px;
    border-top: 1px solid var(--neon-pink);
    box-shadow: 0 0 30px rgba(255, 42, 109, 0.2);
    transform-style: preserve-3d;
    position: relative;
    z-index: 10;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(to right, var(--neon-pink), var(--neon-blue));
    box-shadow: 0 0 20px var(--neon-pink);
}

.copyright {
    font-size: 16px;
    color: var(--neon-blue);
    text-shadow: 0 0 5px var(--neon-blue);
    transform: translateZ(20px);
}

/* 3D背景元素 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(255,42,109,0.1) 0%, transparent 40%),
                radial-gradient(circle at 80% 70%, rgba(5,217,232,0.1) 0%, transparent 40%);
    z-index: -1;
}

/* 3D响应式设计 */
@media (max-width: 992px) {
    .header-content {
        flex-direction: column;
        gap: 25px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .article-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .article-title {
        font-size: 30px;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 30px;
    }
    
    .article-grid {
        grid-template-columns: 1fr;
    }
    
    .article-meta {
        gap: 15px;
    }
    
    nav ul li a {
        padding: 8px 15px;
        font-size: 16px;
    }
}