/* 未来科技风 - 极简主义 */
:root {
    --space-dark: #0f1621;
    --space-light: #1a2332;
    --neon-purple: #8a2be2;
    --neon-blue: #00bfff;
    --neon-pink: #ff1493;
    --text-primary: #e0e5ff;
    --text-secondary: #a7b2d0;
    --glow: 0 0 15px;
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
  }
  
  * {
    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(--space-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    background-image: 
      radial-gradient(circle at 20% 30%, rgba(138, 43, 226, 0.15) 0%, transparent 25%),
      radial-gradient(circle at 80% 70%, rgba(0, 191, 255, 0.15) 0%, transparent 25%);
  }
  
  a {
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
  }
  
  a:hover {
    color: var(--neon-blue);
    text-shadow: var(--glow) rgba(0, 191, 255, 0.6);
  }
  
  .container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
  }
  
  /* 赛博朋克风格头部 */
  header {
    background-color: rgba(15, 22, 33, 0.9);
    backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(138, 43, 226, 0.3);
  }
  
  .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
    position: relative;
  }
  
  .logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-purple), var(--neon-blue));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.6s ease;
  }
  
  .logo:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }
  
  nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
  }
  
  nav ul li a {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    position: relative;
  }
  
  nav ul li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-blue));
    transform: scaleX(0);
    transition: var(--transition);
  }
  
  nav ul li a:hover::before {
    transform: scaleX(1);
  }
  
  /* 不对称内容区域 */
  .main-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    margin: 3rem 0;
  }
  
  .main-content {
    background: rgba(26, 35, 50, 0.6);
    border-radius: 1rem;
    padding: 2.5rem;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(138, 43, 226, 0.2);
    box-shadow: 
      0 10px 30px rgba(0, 0, 0, 0.3),
      inset 0 0 20px rgba(138, 43, 226, 0.1);
    transition: var(--transition);
  }
  
  .main-content:hover {
    box-shadow: 
      0 15px 40px rgba(0, 0, 0, 0.4),
      inset 0 0 30px rgba(138, 43, 226, 0.2);
    transform: translateY(-5px);
  }
  
  .section-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
  }
  
  .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-purple), transparent);
  }
  
  /* 斜切文章卡片 */
  .article-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
  }
  
  .article-card {
    background: linear-gradient(145deg, rgba(26, 35, 50, 0.8), rgba(15, 22, 33, 0.8));
    border-radius: 0.8rem;
    padding: 1.5rem;
    transform: skewX(-5deg);
    border-left: 3px solid var(--neon-purple);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }
  
  .article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
      to right,
      transparent,
      rgba(138, 43, 226, 0.1),
      transparent
    );
    transition: var(--transition);
  }
  
  .article-card:hover {
    transform: skewX(-5deg) translateY(-10px);
    box-shadow: 0 15px 30px rgba(138, 43, 226, 0.2);
    border-left: 3px solid var(--neon-blue);
  }
  
  .article-card:hover::before {
    left: 100%;
  }
  
  .article-card > * {
    transform: skewX(5deg);
  }
  
  .card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    filter: grayscale(30%);
    transition: var(--transition);
  }
  
  .article-card:hover .card-image {
    filter: grayscale(0%);
  }
  
  .card-title {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    background: linear-gradient(90deg, var(--neon-blue), var(--text-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  .card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 1rem;
  }
  
  /* 霓虹标签 */
  .neon-tag {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: rgba(138, 43, 226, 0.2);
    border-radius: 2rem;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid var(--neon-purple);
    transition: var(--transition);
  }
  
  .neon-tag:hover {
    background: rgba(138, 43, 226, 0.4);
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.4);
  }
  
  /* 文章详情页 */
  .article-detail {
    max-width: 900px;
    margin: 0 auto;
  }
  
  .article-header {
    margin-bottom: 3rem;
    text-align: center;
  }
  
  .article-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--neon-purple), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  .article-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    flex-wrap: wrap;
  }
  
  .article-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 1rem;
    margin-bottom: 2rem;
    box-shadow: 
      0 0 30px rgba(138, 43, 226, 0.3),
      0 10px 20px rgba(0, 0, 0, 0.3);
  }
  
  .article-content {
    line-height: 1.8;
    font-size: 1.1rem;
    color: var(--text-secondary);
  }
  
  .article-content p {
    margin-bottom: 1.5rem;
  }
  
  .article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.8rem;
    margin: 2rem auto;
    display: block;
    box-shadow: 0 0 20px rgba(0, 191, 255, 0.2);
  }
  
  /* 分页器 */
  .pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
  }
  
  .pagination a {
    padding: 0.8rem 1.5rem;
    border-radius: 2rem;
    background: rgba(138, 43, 226, 0.2);
    border: 1px solid var(--neon-purple);
    transition: var(--transition);
  }
  
  .pagination a:hover {
    background: rgba(138, 43, 226, 0.4);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.3);
  }
  
  /* 3D悬浮友情链接 */
  .friend-links {
    margin: 3rem 0;
    perspective: 1000px;
  }
  
  .friend-links h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
  }
  
  .friend-links-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    transform-style: preserve-3d;
  }
  
  .friend-links-container a {
    padding: 0.8rem 1.5rem;
    background: rgba(26, 35, 50, 0.8);
    border-radius: 0.5rem;
    border: 1px solid rgba(138, 43, 226, 0.3);
    transition: var(--transition);
    transform: translateZ(0);
  }
  
  .friend-links-container a:hover {
    transform: translateZ(20px) rotateX(10deg);
    background: rgba(138, 43, 226, 0.3);
    box-shadow: 0 10px 25px rgba(138, 43, 226, 0.2);
  }
  
  /* 科幻风格页脚 */
  footer {
    background: linear-gradient(to top, #0a0e17, #1a2332);
    padding: 3rem 0;
    text-align: center;
    margin-top: 5rem;
    position: relative;
    overflow: hidden;
  }
  
  footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-purple), var(--neon-blue), transparent);
    animation: scanline 4s linear infinite;
  }
  
  @keyframes scanline {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
  }
  
  .copyright {
    font-size: 0.9rem;
    color: var(--text-secondary);
    position: relative;
  }
  
  .copyright::after {
    content: '◢';
    position: absolute;
    right: -1.5rem;
    color: var(--neon-blue);
    animation: blink 1s steps(1) infinite;
  }
  
  @keyframes blink {
    50% { opacity: 0; }
  }
  
  /* 响应式设计 */
  @media (max-width: 1024px) {
    .main-grid {
      grid-template-columns: 1fr;
    }
    
    .article-list {
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
  }
  
  @media (max-width: 768px) {
    .header-content {
      flex-direction: column;
      gap: 1.5rem;
    }
    
    nav ul {
      flex-wrap: wrap;
      justify-content: center;
      gap: 1rem;
    }
    
    .article-card {
      transform: skewX(0);
    }
    
    .article-card > * {
      transform: skewX(0);
    }
    
    .article-title {
      font-size: 2rem;
    }
  }