/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Ad Styles */
.ad-banner {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 10px 0;
    z-index: 1000;
}

.ad-placeholder {
    background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
    border: 2px dashed #ccc;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #666;
    transition: all 0.3s ease;
}

.ad-placeholder:hover {
    background: linear-gradient(45deg, #e8e8e8, #d8d8d8);
    border-color: #999;
}

.middle-ad .ad-placeholder {
    width: 728px;
    height: 90px;
}

.sidebar-ad {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-ad .ad-placeholder.vertical {
    width: 160px;
    height: 600px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

.left-ad {
    margin-right: 20px;
}

.right-ad {
    margin-left: 20px;
}

/* 导航栏 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

.nav-logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #667eea;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主要内容布局 */
.main-content {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    gap: 20px;
    padding: 0 20px;
}

.content-wrapper {
    flex: 1;
    max-width: 1000px;
}

/* 英雄区域 */
.hero-section {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    margin: 2rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    animation: rotate 20s linear infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

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

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.8);
    color: #667eea;
    border: 2px solid #667eea;
}

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

/* 音符动画 */
.hero-animation {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 1;
}

.music-notes {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.music-notes i {
    font-size: 2rem;
    color: rgba(102, 126, 234, 0.3);
    animation: float 3s ease-in-out infinite;
}

.music-notes i:nth-child(2) {
    animation-delay: 1s;
}

.music-notes i:nth-child(3) {
    animation-delay: 2s;
}

/* 游戏区域 */
.games-section {
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    margin: 2rem 0;
}

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

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

.game-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s;
}

.game-card:hover::before {
    left: 100%;
}

.game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.game-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.game-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.game-card p {
    color: #666;
    margin-bottom: 1rem;
}

.play-count {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b, #ff8e53);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* 游戏展示区域 */
.game-display {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    margin: 2rem 0;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.game-header {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-game {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background 0.3s ease;
}

.close-game:hover {
    background: rgba(255, 255, 255, 0.3);
}

.game-container {
    position: relative;
    width: 100%;
    height: 600px;
}

.game-container iframe {
    width: 100%;
    height: 100%;
}

.game-info {
    padding: 2rem;
    border-top: 1px solid #eee;
}

.game-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.game-stats span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #666;
}

/* 功能特色 */
.features-section {
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    margin: 2rem 0;
}

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

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

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

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

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

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

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

/* 底部 */
.footer {
    background: rgba(255, 255, 255, 0.95);
    margin-top: 4rem;
    padding: 3rem 0 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #333;
}

.footer-section p {
    color: #666;
    margin-bottom: 1rem;
}

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

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

.footer-section ul li a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid #eee;
    margin-top: 2rem;
    color: #666;
}

/* 动画 */
@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .main-content {
        flex-direction: column;
        padding: 0 10px;
    }
    
    .sidebar-ad {
        display: none;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
        justify-content: center;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .game-container {
        height: 400px;
    }
    
    .middle-ad .ad-placeholder {
        width: 100%;
        max-width: 320px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 2rem 1rem;
    }
    
    .games-section,
    .features-section {
        padding: 2rem 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Contact Page Styles */
.contact-form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form {
    width: 100%;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
    font-size: 1rem;
}

.form-group label i {
    margin-right: 0.5rem;
    color: #667eea;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e1e5f2;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: #f8f9ff;
    font-family: 'Poppins', sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.contact-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

.response-time {
    color: #667eea;
    font-weight: 600;
    font-size: 1.1rem;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.action-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;
}

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

.action-card h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.action-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* About Page Specific Styles */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

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

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

.story-card h3 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

.contact-info {
    max-width: 600px;
    margin: 0 auto;
}

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

.contact-card h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.contact-card p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Mobile Responsiveness for Contact Page */
@media (max-width: 768px) {
    .contact-form-container {
        padding: 2rem 1rem;
        margin: 0 1rem;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .form-actions .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
        margin: 0 1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        margin: 0 1rem;
    }
    
    .contact-links {
        flex-direction: column;
    }
    
    .contact-links .btn {
        width: 100%;
        max-width: 250px;
    }
}