* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #e0e0e0;
    min-height: 100vh;
    line-height: 1.8;
}
.container { max-width: 900px; margin: 0 auto; padding: 0 20px; }

header {
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.logo {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(90deg, #00d4ff, #7b2cbf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}
.back-link {
    color: #00d4ff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
}

article { padding: 40px 0; }

.breadcrumbs {
    font-size: 13px;
    color: #9aa0a6;
    margin-bottom: 16px;
}
.breadcrumbs a { color: #9aa0a6; text-decoration: none; }

.article-header { margin-bottom: 30px; }
.article-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    font-size: 14px;
    color: #888;
}
.article-category {
    background: linear-gradient(90deg, #00d4ff, #7b2cbf);
    padding: 4px 12px;
    border-radius: 12px;
    color: #fff;
    font-weight: 500;
}
.article-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 15px;
}
.article-excerpt {
    font-size: 18px;
    color: #aaa;
    border-left: 3px solid #00d4ff;
    padding-left: 20px;
}

.article-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 30px;
}

.article-content {
    font-size: 18px;
    line-height: 1.9;
}
.article-content h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: #00d4ff;
}
.article-content h3 {
    font-size: 20px;
    margin: 25px 0 12px;
}
.article-content p { margin-bottom: 20px; }
.article-content ul, .article-content ol {
    margin: 15px 0 15px 25px;
}
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
    border-left: 3px solid #7b2cbf;
    padding-left: 20px;
    margin: 20px 0;
    font-style: italic;
    color: #aaa;
}

.article-source {
    margin-top: 30px;
    padding: 15px 20px;
    background: rgba(0, 212, 255, 0.1);
    border-left: 3px solid #00d4ff;
    border-radius: 0 8px 8px 0;
    font-size: 14px;
    color: #aaa;
}
.article-source a {
    color: #00d4ff;
    text-decoration: none;
}
.article-source a:hover {
    text-decoration: underline;
}

.article-tags {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.article-tags span {
    display: inline-block;
    background: rgba(255,255,255,0.1);
    padding: 5px 12px;
    border-radius: 15px;
    margin: 5px 5px 5px 0;
    font-size: 13px;
}
.article-tags a { text-decoration: none; color: inherit; }

.related-news {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.related-news h3 {
    font-size: 22px;
    margin-bottom: 20px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}
.related-card {
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s;
}
.related-card:hover { transform: translateY(-3px); }
.related-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}
.related-card h4 {
    padding: 12px;
    font-size: 14px;
    line-height: 1.4;
}
.related-card h4 a {
    color: #fff;
    text-decoration: none;
}

footer {
    background: rgba(0,0,0,0.3);
    padding: 30px 0;
    text-align: center;
    color: #666;
    margin-top: 50px;
}
footer a { color: #00d4ff; text-decoration: none; }
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    text-align: left;
    color: #aaa;
}
.footer-grid h4 { font-size: 14px; margin-bottom: 10px; color: #fff; }
.footer-grid a { color: #00d4ff; text-decoration: none; font-size: 13px; }
.footer-copy {
    margin-top: 20px;
    font-size: 12px;
    color: #666;
    text-align: center;
}

@media (max-width: 768px) {
    .article-title { font-size: 24px; }
    .article-content { font-size: 16px; }
}
