/* 未来科技感主题 - 橙色色调 */
:root {
    --primary: #ff6d00;
    --primary-light: #ff9e40;
    --primary-dark: #c43c00;
    --secondary: #00b8d4;
    --dark: #121212;
    --darker: #0a0a0a;
    --light: #f5f5f5;
    --gray: #2a2a2a;
    --neon-glow: 0 0 10px rgba(255, 109, 0, 0.7);
    --font-main: 'Orbitron', 'Arial', sans-serif;
    --font-secondary: 'Rajdhani', 'Arial', sans-serif;
}

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Rajdhani:wght@300;500;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--darker);
    color: var(--light);
    font-family: var(--font-secondary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* 未来科技感头部 */
header {
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--primary);
    box-shadow: var(--neon-glow);
}

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

.logo {
    font-family: var(--font-main);
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--primary), transparent);
}

/* 未来科技感导航 */
.nav-menu {
    display: flex;
    list-style: none;
}

.nav-item {
    margin-left: 30px;
    position: relative;
}

.nav-link {
    color: var(--light);
    font-family: var(--font-main);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 14px;
    transition: all 0.3s;
    padding: 5px 0;
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link:hover::before {
    width: 100%;
}

/* 主要内容区 - 未来科技面板 */
.main-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.tech-panel {
    background: linear-gradient(145deg, rgba(18, 18, 18, 0.8), rgba(10, 10, 10, 0.9));
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 40px;
    border: 1px solid var(--gray);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.tech-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

.section-title {
    font-family: var(--font-main);
    font-size: 26px;
    margin-bottom: 25px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--primary), transparent);
    margin-left: 20px;
}

/* 未来科技网格布局 */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.tech-card {
    background: rgba(18, 18, 18, 0.7);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
    border: 1px solid var(--gray);
    position: relative;
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--neon-glow);
    border-color: var(--primary);
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 109, 0, 0.1), transparent);
    z-index: -1;
}

.card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--gray);
}

.card-body {
    padding: 20px;
}

.card-title {
    font-family: var(--font-main);
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--light);
    letter-spacing: 1px;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--primary-light);
    margin-top: 15px;
    font-family: var(--font-main);
}

/* 分类标签 - 未来科技感 */
.tech-tag {
    display: inline-block;
    padding: 3px 12px;
    background-color: var(--dark);
    color: var(--primary);
    border-radius: 15px;
    font-size: 12px;
    margin-bottom: 15px;
    border: 1px solid var(--primary);
    font-family: var(--font-main);
    letter-spacing: 1px;
}

/* 文章详情页 - 未来科技风格 */
.tech-article {
    max-width: 800px;
    margin: 0 auto;
}

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

.article-title {
    font-family: var(--font-main);
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--light);
    letter-spacing: 2px;
    line-height: 1.3;
    text-transform: uppercase;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 25px;
    color: var(--primary-light);
    margin-bottom: 30px;
    flex-wrap: wrap;
    font-family: var(--font-main);
    font-size: 14px;
}

.article-image {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 30px;
    border: 1px solid var(--gray);
    box-shadow: var(--neon-glow);
}

.article-content {
    line-height: 1.8;
    font-size: 16px;
}

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

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
    border: 1px solid var(--gray);
}

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

.tech-pagination a {
    padding: 10px 20px;
    border-radius: 5px;
    background-color: var(--dark);
    color: var(--primary);
    border: 1px solid var(--primary);
    font-family: var(--font-main);
    letter-spacing: 1px;
    transition: all 0.3s;
    text-transform: uppercase;
    font-size: 14px;
}

.tech-pagination a:hover {
    background-color: var(--primary);
    color: var(--dark);
    box-shadow: var(--neon-glow);
}

/* 友情链接 - 未来科技感 */
.tech-links {
    background: rgba(18, 18, 18, 0.7);
    border-radius: 8px;
    padding: 25px;
    margin: 40px 0;
    border: 1px solid var(--gray);
}

.tech-links h3 {
    margin-bottom: 20px;
    color: var(--primary);
    font-family: var(--font-main);
    letter-spacing: 2px;
    text-transform: uppercase;
}

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

.tech-links-container a {
    padding: 8px 15px;
    background-color: var(--dark);
    border-radius: 5px;
    font-size: 14px;
    border: 1px solid var(--primary);
    color: var(--primary-light);
    font-family: var(--font-main);
    letter-spacing: 1px;
    transition: all 0.3s;
}

.tech-links-container a:hover {
    background-color: var(--primary);
    color: var(--dark);
    box-shadow: var(--neon-glow);
}

/* 页脚 - 未来科技感 */
.tech-footer {
    background-color: var(--dark);
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
    border-top: 1px solid var(--primary);
    position: relative;
}

.tech-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--primary), transparent);
}

.copyright {
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--primary-light);
    letter-spacing: 2px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-item {
        margin: 0 10px 10px;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-meta {
        gap: 15px;
    }
}

/* 未来科技感动画效果 */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 109, 0, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(255, 109, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 109, 0, 0); }
}

.tech-card:hover,
.tech-pagination a:hover,
.tech-links-container a:hover {
    animation: pulse 1.5s infinite;
}