/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 2rem;
    font-weight: bold;
}

.logo a {
    color: white;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: rgba(255,255,255,0.2);
    color: #fff;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-selector select {
    padding: 0.5rem;
    border: none;
    border-radius: 5px;
    background-color: rgba(255,255,255,0.2);
    color: white;
    cursor: pointer;
}

.language-selector select option {
    background-color: #333;
    color: white;
}

.search-box {
    display: flex;
    align-items: center;
    background-color: rgba(255,255,255,0.2);
    border-radius: 25px;
    padding: 0.5rem;
}

.search-box input {
    border: none;
    background: none;
    color: white;
    padding: 0.5rem;
    outline: none;
    width: 200px;
}

.search-box input::placeholder {
    color: rgba(255,255,255,0.8);
}

.search-box button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background-color: #ff6b6b;
    color: white;
}

.btn-primary:hover {
    background-color: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,107,107,0.4);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: #667eea;
}

/* Section Styles */
section {
    padding: 4rem 0;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
    font-weight: bold;
}

/* Games Grid */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.game-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.game-card.featured {
    grid-column: span 2;
}

.game-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.game-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.game-card:hover .game-image img {
    transform: scale(1.05);
}

.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.game-card:hover .game-overlay {
    opacity: 1;
}

.play-btn {
    background-color: #ff6b6b;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.play-btn:hover {
    background-color: #ff5252;
    transform: scale(1.05);
}

.game-info {
    padding: 1.5rem;
}

.game-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.game-info h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.game-info h3 a:hover {
    color: #ff6b6b;
}

.game-info p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.game-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tag {
    background-color: #e9ecef;
    color: #495057;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.game-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stars {
    color: #ffc107;
}

.rating-text {
    color: #666;
    font-weight: 500;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    text-decoration: none;
    color: #333;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.category-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.category-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.category-card p {
    color: #666;
    line-height: 1.5;
}

/* Footer */
.footer {
    background-color: #333;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #fff;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ff6b6b;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: #ccc;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #ff6b6b;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: #ccc;
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ff6b6b;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        text-align: center;
    }
    
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .search-box {
        flex: 1;
        margin: 0 1rem;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .game-card.featured {
        grid-column: span 1;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    section {
        padding: 2rem 0;
    }
    
    .game-info {
        padding: 1rem;
    }
    
    .category-card {
        padding: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Game Detail Page Specific Styles */
.game-detail-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
}

.game-detail-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.game-preview {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.game-preview iframe {
    width: 100%;
    height: 400px;
    border: none;
    border-radius: 10px;
}

.game-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.game-info-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.game-description {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.game-description h3 {
    margin-bottom: 1rem;
    color: #333;
}

.game-description p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .game-detail-content {
        grid-template-columns: 1fr;
    }
    
    .game-preview iframe {
        height: 300px;
    }
}

/* Filter and Search Styles */
.filter-section {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.filter-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-controls select,
.filter-controls input {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
}

.filter-controls select:focus,
.filter-controls input:focus {
    border-color: #667eea;
}

.sort-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.sort-btn {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    background: white;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sort-btn.active,
.sort-btn:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

@media (max-width: 768px) {
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .sort-controls {
        justify-content: center;
    }
}

/* 新增样式 - 排行榜页面 */
.ranking-tabs {
    background: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.tabs-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 1rem 2rem;
    border: none;
    background: none;
    color: #666;
    font-weight: 500;
    cursor: pointer;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.tab-btn.active,
.tab-btn:hover {
    background: #667eea;
    color: white;
}

.ranking-section {
    display: none;
    padding: 3rem 0;
}

.ranking-section.active {
    display: block;
}

.section-description {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.ranking-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.ranking-item {
    display: flex;
    align-items: center;
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.ranking-item:hover {
    transform: translateY(-2px);
}

.ranking-item.top-1 {
    border: 2px solid #ffd700;
    background: linear-gradient(135deg, #fff9e6 0%, #fff 100%);
}

.ranking-item.top-2 {
    border: 2px solid #c0c0c0;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
}

.ranking-item.top-3 {
    border: 2px solid #cd7f32;
    background: linear-gradient(135deg, #fdf6e3 0%, #fff 100%);
}

.ranking-number {
    font-size: 2rem;
    font-weight: bold;
    color: #667eea;
    margin-right: 2rem;
    min-width: 60px;
    text-align: center;
}

.ranking-game {
    display: flex;
    align-items: center;
    flex: 1;
    gap: 1.5rem;
}

.ranking-game img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 10px;
}

.game-stats {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #666;
}

.ranking-actions {
    margin-left: 2rem;
}

/* 新增样式 - 关于我们页面 */
.mission-section {
    background: white;
    padding: 4rem 0;
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.mission-text h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.mission-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.mission-image {
    text-align: center;
    font-size: 8rem;
    color: #667eea;
}

.values-section {
    background: #f8f9fa;
    padding: 4rem 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.value-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

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

.team-section {
    background: white;
    padding: 4rem 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    background: #f8f9fa;
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: #667eea;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2.5rem;
    color: white;
}

.member-role {
    color: #667eea;
    font-weight: 500;
    margin-bottom: 1rem;
}

.member-bio {
    color: #666;
    line-height: 1.6;
}

.stats-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

.contact-section {
    background: white;
    padding: 4rem 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-details p {
    color: #666;
}

.contact-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
}

.contact-form h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #667eea;
}

/* 新增样式 - 分类页面 */
.category-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.popular-categories {
    background: #f8f9fa;
    padding: 4rem 0;
}

.popular-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.popular-category {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.popular-category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.popular-category-header i {
    font-size: 2rem;
    color: #667eea;
}

.popular-category-games {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.mini-game-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.mini-game-card img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
}

.mini-game-info h4 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.mini-game-info h4 a {
    color: #333;
    text-decoration: none;
}

.mini-game-info .rating {
    color: #ffc107;
    font-size: 0.9rem;
}

.view-more-btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #667eea;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.view-more-btn:hover {
    background: #5a6fd8;
}

.category-features {
    background: white;
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

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

/* 新增样式 - 游戏列表页面 */
.games-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.view-options {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    background: white;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-btn.active,
.view-btn:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.load-more {
    text-align: center;
    margin-top: 3rem;
}

.no-games {
    text-align: center;
    padding: 3rem;
    color: #666;
}

.no-games i {
    font-size: 4rem;
    color: #ddd;
    margin-bottom: 1rem;
}

.no-games h3 {
    margin-bottom: 1rem;
    color: #333;
}

/* 响应式设计补充 */
@media (max-width: 768px) {
    .mission-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .ranking-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .ranking-game {
        flex-direction: column;
    }
    
    .ranking-actions {
        margin-left: 0;
    }
    
    .games-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .view-options {
        justify-content: center;
    }
    
    .tabs-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .tab-btn {
        text-align: center;
    }
}