.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.hero {
    text-align: center;
    padding: 3rem 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.hero-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: rgba(255,255,255,0.2);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.intro-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.intro-section h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.intro-section p {
    line-height: 1.8;
    color: #555;
}

.content-section {
    margin-bottom: 3rem;
}

.content-section h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #3498db;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.card-title {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.card-title a {
    color: #2c3e50;
    text-decoration: none;
}

.card-title a:hover {
    color: #3498db;
}

.card-meta {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.card-desc {
    color: #555;
    line-height: 1.6;
}

.entrance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.entrance-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.entrance-card:hover {
    transform: scale(1.05);
}

.entrance-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.entrance-card h3 a {
    color: #3498db;
    text-decoration: none;
}

.entrance-card p {
    color: #666;
    line-height: 1.6;
}

.page-header {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.page-header h1 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.page-intro {
    color: #555;
    line-height: 1.8;
    font-size: 1.05rem;
}

.list-content {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.list-group {
    margin-bottom: 3rem;
}

.group-title {
    color: #2c3e50;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

.card-list {
    display: grid;
    gap: 1rem;
}

.list-card {
    padding: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    transition: background 0.3s;
}

.list-card:hover {
    background: #f9f9f9;
}

.list-card-title {
    margin-bottom: 0.5rem;
}

.list-card-title a {
    color: #2c3e50;
    text-decoration: none;
}

.list-card-title a:hover {
    color: #3498db;
}

.list-card-meta {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.list-card-desc {
    color: #555;
    line-height: 1.6;
}

.ranking-list {
    display: grid;
    gap: 1.5rem;
}

.ranking-card {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    transition: box-shadow 0.3s;
}

.ranking-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.rank-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #3498db;
    min-width: 60px;
    text-align: center;
}

.rank-content {
    flex: 1;
}

.rank-title {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.rank-title a {
    color: #2c3e50;
    text-decoration: none;
}

.rank-title a:hover {
    color: #3498db;
}

.rank-meta {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.rank-desc {
    color: #555;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.rank-review {
    color: #666;
    font-style: italic;
    line-height: 1.6;
}

.topic-group {
    margin-bottom: 3rem;
}

.topic-title {
    color: #2c3e50;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.topic-card {
    padding: 1.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    transition: background 0.3s;
}

.topic-card:hover {
    background: #f9f9f9;
}

.topic-card h4 {
    margin-bottom: 0.5rem;
}

.topic-card h4 a {
    color: #2c3e50;
    text-decoration: none;
}

.topic-card h4 a:hover {
    color: #3498db;
}

.topic-meta {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.topic-card p {
    color: #555;
    line-height: 1.6;
}

.latest-list {
    display: grid;
    gap: 1.5rem;
}

.latest-card {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    transition: box-shadow 0.3s;
}

.latest-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.latest-date {
    font-size: 1.2rem;
    font-weight: bold;
    color: #3498db;
    min-width: 80px;
}

.latest-content {
    flex: 1;
}

.latest-content h4 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.latest-content h4 a {
    color: #2c3e50;
    text-decoration: none;
}

.latest-content h4 a:hover {
    color: #3498db;
}

.latest-meta {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.latest-desc {
    color: #555;
    line-height: 1.6;
}

.detail-article {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.detail-header h1 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid #3498db;
}

.detail-article section {
    margin-bottom: 2rem;
}

.detail-article h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.info-list {
    list-style: none;
    padding: 0;
}

.info-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
    line-height: 1.6;
}

.info-list strong {
    color: #555;
    margin-right: 0.5rem;
}

.highlight-text {
    font-size: 1.2rem;
    color: #3498db;
    font-weight: 500;
    line-height: 1.8;
    padding: 1rem;
    background: #f0f8ff;
    border-left: 4px solid #3498db;
    border-radius: 4px;
}

.detail-summary p,
.detail-review p {
    line-height: 1.8;
    color: #555;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.related-card {
    padding: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    transition: background 0.3s;
}

.related-card:hover {
    background: #f9f9f9;
}

.related-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.related-card h3 a {
    color: #2c3e50;
    text-decoration: none;
}

.related-card h3 a:hover {
    color: #3498db;
}

.related-meta {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.related-card p {
    color: #555;
    line-height: 1.6;
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem 0.5rem;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .card-grid,
    .entrance-grid,
    .topic-grid,
    .related-grid {
        grid-template-columns: 1fr;
    }

    .ranking-card,
    .latest-card {
        flex-direction: column;
    }

    .rank-number,
    .latest-date {
        text-align: left;
    }
}