/* 太空科技主题 - 创新不对称布局 */
:root {
    --space-dark: #0a0a1a;
    --neon-blue: #00f7ff;
    --neon-purple: #bd00ff;
    --neon-pink: #ff00c1;
    --tech-gray: #1a1a2e;
    --text-glow: rgba(0, 247, 255, 0.7);
    --asymmetrical-offset: 5%;
}

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

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

body {
    background-color: var(--space-dark);
    color: #e0e0e0;
    line-height: 1.8;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 247, 255, 0.05) 0%, transparent 25%),
        radial-gradient(circle at 80% 70%, rgba(189, 0, 255, 0.05) 0%, transparent 25%);
}

/* 创新的斜角边框 */
.asymmetrical-border {
    position: relative;
}

.asymmetrical-border::before {
    content: '';
    position: absolute;
    top: -5px;
    left: var(--asymmetrical-offset);
    right: calc(-1 * var(--asymmetrical-offset));
    height: 2px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
    z-index: 1;
}

/* 动态网格布局 */
.dynamic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    grid-auto-flow: dense;
}

.dynamic-grid .featured {
    grid-column: span 2;
}

/* 霓虹文字效果 */
.neon-text {
    text-shadow: 0 0 5px var(--neon-blue), 
                 0 0 10px var(--neon-blue),
                 0 0 20px var(--neon-blue);
}

/* 3D悬浮卡片 */
.card-3d {
    transform-style: preserve-3d;
    transition: transform 0.5s, box-shadow 0.5s;
    perspective: 1000px;
}

.card-3d:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.4),
                0 0 15px var(--neon-blue);
}

/* 创新的斜切头部 */
header {
    background-color: rgba(10, 10, 26, 0.9);
    padding: 25px 0;
    clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%);
    position: relative;
    margin-bottom: 50px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

.logo {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}

/* 创新的导航菜单 */
.hexagon-nav {
    display: flex;
    gap: 15px;
}

.hexagon-nav li {
    list-style: none;
    position: relative;
    width: 80px;
    height: 46px;
}

.hexagon-nav a {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--tech-gray);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    transition: all 0.3s;
}

.hexagon-nav a:hover {
    background-color: var(--neon-purple);
    transform: scale(1.1);
}

/* 创新的内容区域 */
.main-content {
    background-color: rgba(26, 26, 46, 0.7);
    border: 1px solid rgba(0, 247, 255, 0.2);
    border-radius: 0 20px 20px 20px;
    padding: 40px;
    margin: 0 var(--asymmetrical-offset) 50px 0;
    position: relative;
}

.main-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: -1px;
    width: 50%;
    height: 5px;
    background: linear-gradient(90deg, var(--neon-blue), transparent);
}

.section-title {
    font-size: 28px;
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
    padding-right: 30px;
}

.section-title::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    width: 20px;
    height: 20px;
    background-color: var(--neon-pink);
    transform: translateY(-50%) rotate(45deg);
    box-shadow: 0 0 10px var(--neon-pink);
}

/* 创新的文章卡片 */
.article-card {
    background-color: var(--tech-gray);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    transition: all 0.5s;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 247, 255, 0.1), rgba(189, 0, 255, 0.1));
    z-index: 1;
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s;
}

.article-card:hover .card-image {
    transform: scale(1.05);
}

.card-body {
    padding: 20px;
    position: relative;
    z-index: 2;
}

.card-title {
    font-size: 20px;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--neon-blue), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #aaa;
}

/* 创新的分页器 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a {
    padding: 10px 20px;
    background-color: var(--tech-gray);
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

.pagination a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--neon-purple), transparent);
    transition: all 0.5s;
}

.pagination a:hover::before {
    left: 100%;
}

/* 创新的文章详情页 */
.article-detail {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

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

.article-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink), var(--neon-blue));
}

.article-title {
    font-size: 36px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-meta span::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--neon-blue);
    border-radius: 50%;
}

.article-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 30px;
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 20px rgba(0, 247, 255, 0.3);
}

.article-content {
    line-height: 1.9;
    font-size: 18px;
}

.article-content p {
    margin-bottom: 25px;
    position: relative;
    padding-left: 20px;
}

.article-content p::before {
    content: '»';
    position: absolute;
    left: 0;
    color: var(--neon-blue);
}

/* 创新的友情链接 */
.friend-links {
    background-color: var(--tech-gray);
    border-radius: 10px;
    padding: 30px;
    margin: 50px 0;
    position: relative;
    overflow: hidden;
}

.friend-links::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--neon-blue), var(--neon-pink));
}

.friend-links h3 {
    font-size: 24px;
    margin-bottom: 20px;
    position: relative;
    padding-left: 20px;
}

.friend-links h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background-color: var(--neon-pink);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-pink);
}

.friend-links-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.friend-links-container a {
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    text-align: center;
    transition: all 0.3s;
    border-left: 3px solid var(--neon-blue);
}

.friend-links-container a:hover {
    background-color: var(--neon-purple);
    transform: translateX(10px);
}

/* 创新的页脚 */
footer {
    background-color: #050510;
    padding: 50px 0 30px;
    text-align: center;
    clip-path: polygon(0 20%, 100% 0, 100% 100%, 0 100%);
    position: relative;
    margin-top: 80px;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink), var(--neon-blue));
}

.copyright {
    font-size: 14px;
    color: #888;
    margin-top: 30px;
}

/* 创新的响应式设计 */
@media (max-width: 1024px) {
    .dynamic-grid .featured {
        grid-column: span 1;
    }
    
    .main-content {
        margin-right: 0;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .hexagon-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .friend-links-container {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* 创新的动画效果 */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.floating {
    animation: float 3s ease-in-out infinite;
}