/* 未来科技感主题 - 极光蓝 */
:root {
    --primary-color: #00b4d8;
    --secondary-color: #48cae4;
    --dark-color: #03071e;
    --light-color: #caf0f8;
    --text-color: #e2e2e2;
    --accent-color: #00f5d4;
    --neon-glow: 0 0 10px rgba(0, 180, 216, 0.7);
    --grid-line: linear-gradient(
        rgba(0, 180, 216, 0.1) 1px,
        transparent 1px
    );
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Orbitron', 'Arial', 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(--dark-color);
    color: var(--text-color);
    line-height: 1.7;
    background-image: 
        var(--grid-line),
        var(--grid-line);
    background-size: 30px 30px;
    background-attachment: fixed;
}

a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: all 0.3s ease;
}

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

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

/* 赛博朋克风格头部 */
header {
    background-color: rgba(3, 7, 30, 0.9);
    padding: 25px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--primary-color);
    box-shadow: var(--neon-glow);
}

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

.logo {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: var(--neon-glow);
}

.logo::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), transparent);
}

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

nav ul li a {
    padding: 10px 20px;
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
}

nav ul li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

/* 未来科技内容区域 */
.main-content {
    background-color: rgba(3, 7, 30, 0.7);
    border: 1px solid var(--primary-color);
    border-radius: 0;
    padding: 40px;
    margin: 40px 0;
    box-shadow: var(--neon-glow);
    position: relative;
    overflow: hidden;
}

.main-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent 48%,
        rgba(0, 180, 216, 0.1) 49%,
        rgba(0, 180, 216, 0.1) 51%,
        transparent 52%
    );
    background-size: 10px 10px;
    pointer-events: none;
}

.section-title {
    font-size: 28px;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--primary-color);
    color: var(--light-color);
    letter-spacing: 1px;
    position: relative;
    text-transform: uppercase;
}

.section-title::after {
    content: '//';
    position: absolute;
    right: 0;
    bottom: 10px;
    color: var(--primary-color);
    font-weight: bold;
}

/* 全息投影风格文章网格 */
.hologrid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.hologrid-item {
    background-color: rgba(3, 7, 30, 0.8);
    border: 1px solid var(--primary-color);
    padding: 25px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.hologrid-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 180, 216, 0.5);
    border-color: var(--accent-color);
}

.hologrid-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 245, 212, 0.2),
        transparent
    );
    transition: all 0.6s ease;
}

.hologrid-item:hover::before {
    left: 100%;
}

.holo-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 20px;
    border: 1px solid var(--primary-color);
    filter: grayscale(30%) contrast(120%);
    transition: all 0.4s ease;
}

.hologrid-item:hover .holo-image {
    filter: grayscale(0%) contrast(100%);
    border-color: var(--accent-color);
}

.holo-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--light-color);
    letter-spacing: 1px;
    position: relative;
    padding-left: 15px;
}

.holo-title::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.holo-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--primary-color);
    margin-top: 20px;
    letter-spacing: 1px;
}

/* 分类标签 */
.tech-tag {
    display: inline-block;
    padding: 3px 12px;
    background-color: rgba(0, 180, 216, 0.2);
    color: var(--accent-color);
    border-radius: 0;
    font-size: 12px;
    letter-spacing: 1px;
    margin-bottom: 15px;
    border: 1px solid var(--primary-color);
    text-transform: uppercase;
}

/* 文章详情页 - 终端风格 */
.tech-article {
    max-width: 900px;
    margin: 0 auto;
    border-left: 3px solid var(--primary-color);
    padding-left: 30px;
}

.tech-header {
    margin-bottom: 40px;
    position: relative;
}

.tech-header::before {
    content: 'Article_Start';
    position: absolute;
    top: -30px;
    left: -30px;
    color: var(--primary-color);
    font-size: 14px;
}

.tech-title {
    font-size: 36px;
    margin-bottom: 25px;
    line-height: 1.3;
    color: var(--light-color);
    text-shadow: var(--neon-glow);
    letter-spacing: 1px;
}

.tech-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 14px;
}

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

.tech-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    margin-bottom: 30px;
    border: 1px solid var(--primary-color);
    box-shadow: var(--neon-glow);
}

.tech-content {
    line-height: 1.8;
    font-size: 17px;
    letter-spacing: 0.5px;
}

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

.tech-content p::before {
    content: '>>';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 分页导航 - 终端按钮 */
.tech-pagination {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
}

.tech-pagination a {
    padding: 12px 25px;
    background-color: rgba(0, 180, 216, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--light-color);
    letter-spacing: 1px;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tech-pagination a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 245, 212, 0.4),
        transparent
    );
    transition: all 0.6s ease;
}

.tech-pagination a:hover {
    background-color: rgba(0, 180, 216, 0.4);
    box-shadow: var(--neon-glow);
}

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

/* 友情链接 - 数据节点风格 */
.tech-links {
    background-color: rgba(3, 7, 30, 0.8);
    border: 1px solid var(--primary-color);
    padding: 30px;
    margin: 40px 0;
    box-shadow: var(--neon-glow);
}

.tech-links h3 {
    margin-bottom: 25px;
    color: var(--light-color);
    font-size: 22px;
    letter-spacing: 1px;
    position: relative;
}

.tech-links h3::after {
    content: '_';
    animation: blink 1s infinite;
    color: var(--accent-color);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

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

.tech-links-container a {
    padding: 10px;
    background-color: rgba(0, 180, 216, 0.1);
    border: 1px solid var(--primary-color);
    font-size: 14px;
    letter-spacing: 1px;
    text-align: center;
    transition: all 0.3s ease;
}

.tech-links-container a:hover {
    background-color: rgba(0, 180, 216, 0.3);
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.5);
    transform: translateY(-3px);
}

/* 页脚样式 - 控制台风格 */
footer {
    background-color: rgba(3, 7, 30, 0.9);
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
    border-top: 1px solid var(--primary-color);
    box-shadow: 0 -5px 15px rgba(0, 180, 216, 0.2);
    position: relative;
}

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

.copyright {
    font-size: 14px;
    color: var(--primary-color);
    letter-spacing: 1px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hologrid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .tech-title {
        font-size: 28px;
    }
    
    .tech-article {
        padding-left: 20px;
    }
    
    .tech-links-container {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .main-content {
        padding: 25px;
    }
    
    .hologrid {
        grid-template-columns: 1fr;
    }
    
    .tech-pagination {
        flex-direction: column;
        gap: 10px;
    }
}