/* 霓虹朋克风格全局样式 */
:root {
    --neon-pink: #ff2a6d;
    --neon-blue: #05d9e8;
    --neon-purple: #d300c5;
    --dark-bg: #0d0221;
    --text-glow: 0 0 8px var(--neon-pink);
    --box-glow: 0 0 15px var(--neon-blue);
    --font-stack: 'Rajdhani', 'Arial Narrow', sans-serif;
}

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

body {
    background-color: var(--dark-bg);
    color: white;
    font-family: var(--font-stack);
    line-height: 1.8;
    overflow-x: hidden;
    text-shadow: var(--text-glow);
}

/* 非对称头部设计 */
header {
    background: rgba(13, 2, 33, 0.9);
    padding: 30px 5%;
    clip-path: polygon(0 0, 100% 0, 100% 80%, 80% 100%, 0 100%);
    position: relative;
    margin-bottom: 50px;
    border-bottom: 3px solid var(--neon-pink);
}

.header-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    align-items: end;
}

.logo {
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transform: rotate(-5deg);
    text-shadow: 0 0 20px var(--neon-pink);
}

nav ul {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 15px;
    list-style: none;
}

nav ul li a {
    color: var(--neon-blue);
    padding: 8px 15px;
    border: 1px solid var(--neon-blue);
    border-radius: 0;
    font-size: 1.2rem;
    transition: all 0.3s;
}

nav ul li a:hover {
    background-color: var(--neon-blue);
    color: var(--dark-bg);
    box-shadow: var(--box-glow);
}

/* 锯齿形内容容器 */
.main-content {
    background: rgba(255, 42, 109, 0.05);
    padding: 40px;
    margin: 0 5% 50px;
    border-left: 3px solid var(--neon-pink);
    position: relative;
    clip-path: polygon(
        0% 0%, 100% 0%, 100% 80%,
        90% 90%, 80% 80%, 70% 90%,
        60% 80%, 50% 90%, 40% 80%,
        30% 90%, 20% 80%, 10% 90%,
        0% 80%
    );
}

.section-title {
    font-size: 2.4rem;
    margin-bottom: 30px;
    color: var(--neon-blue);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50%;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-pink), transparent);
}

/* 不规则网格布局 */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    grid-auto-flow: dense;
}

.article-card {
    background: rgba(5, 217, 232, 0.1);
    border: 1px solid var(--neon-blue);
    padding: 0;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.article-card:nth-child(3n+1) {
    grid-column: span 2;
    transform: rotate(-1deg);
}

.article-card:nth-child(5n+2) {
    transform: rotate(2deg);
}

.article-card:hover {
    box-shadow: 0 0 30px var(--neon-blue);
    transform: scale(1.03) rotate(0deg) !important;
    z-index: 10;
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    filter: grayscale(80%) contrast(120%);
    transition: filter 0.3s;
}

.article-card:hover .card-image {
    filter: grayscale(0%) contrast(100%);
}

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: white;
    position: relative;
}

.card-title::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--neon-pink);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    color: var(--neon-blue);
    font-size: 0.9rem;
    margin-top: 15px;
}

/* 文章详情页特殊设计 */
.article-detail {
    max-width: 800px;
    margin: 0 auto;
    border: 2px solid var(--neon-purple);
    padding: 50px;
    position: relative;
    background: rgba(13, 2, 33, 0.8);
}

.article-detail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        transparent 0%,
        rgba(255, 42, 109, 0.1) 50%,
        transparent 100%
    );
    pointer-events: none;
}

.article-title {
    font-size: 3rem;
    margin-bottom: 30px;
    color: var(--neon-pink);
    line-height: 1.2;
    text-align: center;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    color: var(--neon-blue);
}

.article-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    margin: 30px 0;
    border: 3px solid var(--neon-blue);
    box-shadow: var(--box-glow);
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.9;
}

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

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

/* 分页导航 - 电路板风格 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 50px;
    position: relative;
}

.pagination::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--neon-blue),
        transparent
    );
}

.pagination a {
    padding: 10px 25px;
    background: transparent;
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    position: relative;
    overflow: hidden;
}

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

.pagination a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(5, 217, 232, 0.4),
        transparent
    );
    transition: all 0.5s;
}

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

/* 友情链接 - 霓虹招牌风格 */
.friend-links {
    margin: 50px 5%;
    padding: 30px;
    border-top: 3px solid var(--neon-purple);
    border-bottom: 3px solid var(--neon-purple);
}

.friend-links h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--neon-pink);
    text-align: center;
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.friend-links-container a {
    padding: 10px 20px;
    border: 1px solid var(--neon-purple);
    color: var(--neon-purple);
    font-size: 1.1rem;
    transition: all 0.3s;
    position: relative;
}

.friend-links-container a:hover {
    background: var(--neon-purple);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--neon-purple);
    transform: translateY(-5px);
}

/* 页脚 - 故障艺术效果 */
footer {
    background: linear-gradient(
        to right,
        var(--dark-bg),
        #1a0933,
        var(--dark-bg)
    );
    padding: 50px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(
        90deg,
        var(--neon-pink),
        var(--neon-blue),
        var(--neon-purple)
    );
}

.copyright {
    font-size: 1rem;
    color: white;
    position: relative;
}

.copyright::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: var(--neon-blue);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .logo {
        transform: rotate(0);
        text-align: center;
    }
    
    nav ul {
        justify-content: center;
    }
    
    .article-grid {
        grid-template-columns: 1fr;
    }
    
    .article-card:nth-child(n) {
        grid-column: auto;
        transform: none !important;
    }
    
    .article-detail {
        padding: 30px 15px;
    }
    
    .article-title {
        font-size: 2rem;
    }
}

/* 霓虹灯动画 */
@keyframes neon-flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        text-shadow: 
            0 0 5px #fff,
            0 0 10px #fff,
            0 0 20px var(--neon-pink),
            0 0 40px var(--neon-pink),
            0 0 60px var(--neon-pink);
    }
    20%, 24%, 55% {
        text-shadow: none;
    }
}

.neon-flicker {
    animation: neon-flicker 1.5s infinite alternate;
}