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

/* Utility classes */
.hidden {
    display: none !important;
}

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

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

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo h1 {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

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

/* Main Content */
.main-content {
    margin-top: 80px;
}

/* Hero Section */
.hero-section {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
}

.hero-title {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Game Container */
.game-container {
    position: relative;
    max-width: 1076px; /* 进一步增加最大宽度以容纳960px的游戏 */
    margin: 0 auto 3rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px; /* 增加更多内边距 */
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.game-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 72%; /* 再增加一点高度以完全显示Unity信息 */
    border-radius: 15px;
    overflow: hidden;
    background: #000;
}

.game-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 15px;
}

.loading-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.1rem;
    z-index: 1;
    pointer-events: none;
}

/* Controls Section */
.controls-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem auto;
    max-width: 600px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.controls-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1.5rem;
    text-align: center;
}

.controls-grid {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.control-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.control-icon {
    font-size: 2rem;
    min-width: 50px;
}

.control-text {
    flex: 1;
}

.controls-tip {
    background: rgba(118, 75, 162, 0.1);
    padding: 1rem;
    border-radius: 10px;
    border-left: 4px solid #764ba2;
    text-align: center;
    font-style: italic;
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    text-align: center;
    color: white;
    margin-bottom: 3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

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

.feature-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 1rem;
}

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

/* CTA Section */
.cta-section {
    padding: 4rem 0;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
}

.cta-content h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2.2rem;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta-button {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.8);
    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 {
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
    color: #667eea;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        backdrop-filter: blur(10px);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .game-container {
        margin: 0 10px 2rem;
        padding: 15px;
    }
    
    .controls-section {
        margin: 1rem 10px;
        padding: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
}

/* Page-specific styles */
.page-hero {
    padding: 6rem 0 4rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
}

.page-title {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

/* About page styles */
.game-overview {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
}

.overview-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.overview-content h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
}

.overview-content p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.quick-facts {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.quick-facts h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.quick-facts ul {
    list-style: none;
}

.quick-facts li {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.quick-facts li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #667eea;
}

.overview-image {
    display: flex;
    justify-content: center;
}

.game-preview {
    width: 300px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.preview-placeholder {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

.preview-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.game-mechanics {
    padding: 4rem 0;
}

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

.mechanic-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

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

.development-info {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
}

.dev-content {
    text-align: center;
}

.dev-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.dev-team {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.dev-member {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.dev-member h3 {
    color: #667eea;
    font-family: 'Orbitron', monospace;
    margin-bottom: 0.5rem;
}

.dev-member p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.tech-stack {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.tech-stack h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.tech-item {
    background: rgba(102, 126, 234, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 500;
}

.features-list {
    max-width: 800px;
    margin: 0 auto;
}

.feature-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: flex-start;
}

.feature-number {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    color: #667eea;
    min-width: 60px;
}

.feature-content h3 {
    color: white;
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
}

.feature-content p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Media page styles */
.media-tabs {
    padding: 2rem 0;
    background: rgba(255, 255, 255, 0.05);
}

.tab-navigation {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.tab-button {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-button.active,
.tab-button:hover {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

.media-content {
    padding: 4rem 0;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.content-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    color: white;
    text-align: center;
    margin-bottom: 1rem;
}

.content-description {
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.screenshot-item {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.screenshot-item:hover {
    transform: translateY(-5px);
}

.screenshot-placeholder {
    height: 200px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.placeholder-content {
    text-align: center;
    color: white;
}

.placeholder-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.screenshot-info {
    padding: 1.5rem;
}

.screenshot-info h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.screenshot-info p {
    color: #666;
    line-height: 1.5;
}

.video-section {
    max-width: 800px;
    margin: 0 auto;
}

.main-video {
    margin-bottom: 3rem;
}

.video-placeholder {
    height: 400px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    cursor: pointer;
}

.video-content {
    text-align: center;
    color: white;
}

.video-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
}

.play-button {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.play-button:hover {
    background: white;
    color: #667eea;
}

.video-info {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 15px;
}

.video-info h4 {
    color: #333;
    margin-bottom: 1rem;
}

.video-info p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.video-stats {
    display: flex;
    gap: 2rem;
    font-size: 0.9rem;
    color: #888;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.video-item {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.video-item:hover {
    transform: translateY(-3px);
}

.video-thumbnail {
    height: 120px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
}

.thumbnail-icon {
    font-size: 2rem;
    color: white;
}

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: white;
    opacity: 0.8;
}

.video-item h4 {
    padding: 1rem 1rem 0.5rem;
    color: #333;
    font-size: 1rem;
}

.video-item p {
    padding: 0 1rem 1rem;
    color: #666;
    font-size: 0.9rem;
}

.features-showcase {
    max-width: 1000px;
    margin: 0 auto;
}

.feature-highlight {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: center;
}

.feature-highlight:nth-child(even) {
    grid-template-columns: 2fr 1fr;
}

.feature-highlight:nth-child(even) .feature-visual {
    order: 2;
}

.feature-visual {
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.visual-demo {
    width: 150px;
    height: 150px;
    position: relative;
}

.rhythm-demo .pulse-circle {
    width: 40px;
    height: 40px;
    background: #667eea;
    border-radius: 50%;
    position: absolute;
    animation: pulse 2s infinite;
}

.rhythm-demo .delay-1 {
    animation-delay: 0.5s;
    left: 50px;
    background: #764ba2;
}

.rhythm-demo .delay-2 {
    animation-delay: 1s;
    left: 100px;
    background: #667eea;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
}

.dash-demo {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 10px;
}

.wave-demo {
    background: linear-gradient(90deg, #667eea, transparent, #764ba2);
    border-radius: 10px;
}

.minimalist-demo {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.feature-description h3 {
    color: white;
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
}

.feature-description p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Reviews page styles */
.rating-overview {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
}

.rating-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.overall-rating {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.rating-score {
    text-align: center;
}

.score-number {
    font-family: 'Orbitron', monospace;
    font-size: 4rem;
    font-weight: 900;
    color: #667eea;
    display: block;
    line-height: 1;
}

.stars {
    margin: 1rem 0;
}

.star {
    font-size: 1.5rem;
    color: #ddd;
    margin: 0 0.1rem;
}

.star.filled {
    color: #ffd700;
}

.rating-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.rating-details h3 {
    color: white;
    font-family: 'Orbitron', monospace;
    margin-bottom: 0.5rem;
}

.rating-details p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.review-count {
    background: rgba(102, 126, 234, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.rating-breakdown h4 {
    color: white;
    margin-bottom: 1rem;
}

.breakdown-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.stars-label {
    color: rgba(255, 255, 255, 0.8);
    min-width: 60px;
    font-size: 0.9rem;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.progress-fill.full-width {
    width: 100%;
}

.progress-fill.zero-width {
    width: 0%;
}

.percentage {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    min-width: 40px;
    text-align: right;
}

.reviews-section {
    padding: 4rem 0;
}

.reviews-container {
    max-width: 800px;
    margin: 0 auto;
}

.review-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.review-card:hover {
    transform: translateY(-3px);
}

.review-card.featured {
    border: 2px solid #667eea;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(255, 255, 255, 0.95));
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.reviewer-info {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.reviewer-name {
    color: #333;
    margin-bottom: 0.5rem;
}

.review-stars .star {
    font-size: 1rem;
}

.review-date {
    color: #888;
    font-size: 0.9rem;
}

.review-title {
    color: #333;
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.review-text {
    color: #555;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.review-footer {
    border-top: 1px solid #eee;
    padding-top: 1rem;
}

.helpful-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.helpful-text {
    color: #666;
    font-size: 0.9rem;
}

.helpful-btn {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    color: #667eea;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

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

.review-stats {
    margin-top: 3rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

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

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

.stat-icon {
    font-size: 2.5rem;
    min-width: 60px;
}

.stat-content h4 {
    color: white;
    margin-bottom: 0.5rem;
}

.stat-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.rating-score {
    color: #667eea;
    font-weight: bold;
}

.mini-stars {
    color: #ffd700;
    font-size: 0.8rem;
}

.stat-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin: 0;
}

.community-section {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
}

.community-content {
    text-align: center;
}

.community-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.community-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 900;
    color: #667eea;
    display: block;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.community-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.community-features .feature-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.community-features .feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.community-features h4 {
    color: white;
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
}

.community-features p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
}

/* Contact page styles */
.contact-options {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
}

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

.contact-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

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

.contact-card h3 {
    color: #333;
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
}

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

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

.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    color: #333;
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
}

.form-header p {
    color: #666;
    line-height: 1.5;
}

.contact-form {
    display: block;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    color: #333;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e1e1e1;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.2rem;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-success {
    text-align: center;
    padding: 2rem;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.form-success h3 {
    color: #333;
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
}

.form-success p {
    color: #666;
    line-height: 1.5;
}

.faq-section {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: rgba(102, 126, 234, 0.1);
}

.faq-question h4 {
    color: #333;
    margin: 0;
    font-weight: 600;
}

.faq-toggle {
    font-size: 1.5rem;
    color: #667eea;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.quick-links-section {
    padding: 4rem 0;
}

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

.quick-link-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.quick-link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    color: inherit;
}

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

.quick-link-card h4 {
    color: #333;
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
}

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

/* 404 Error page styles */
.error-section {
    padding: 8rem 0 4rem;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.error-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.error-visual {
    position: relative;
    margin-bottom: 2rem;
}

.error-number {
    font-family: 'Orbitron', monospace;
    font-size: 8rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.1);
    line-height: 1;
    position: relative;
}

.error-jelly {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translate(-50%, -50%) translateY(0);
    }
    40% {
        transform: translate(-50%, -50%) translateY(-20px);
    }
    60% {
        transform: translate(-50%, -50%) translateY(-10px);
    }
}

.error-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.error-message {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.secondary-button {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    text-decoration: none;
    color: white;
}

.helpful-links {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.helpful-links h3 {
    color: white;
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
}

.helpful-links ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
}

.helpful-links li {
    margin-bottom: 0.5rem;
}

.helpful-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.helpful-links a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    text-decoration: none;
}

@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .nav-logo h1 {
        font-size: 1.5rem;
    }
    
    .controls-grid {
        gap: 0.5rem;
    }
    
    .control-item {
        padding: 0.8rem;
        flex-direction: column;
        text-align: center;
    }
    
    .control-icon {
        margin-bottom: 0.5rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .feature-highlight {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .feature-highlight:nth-child(even) {
        grid-template-columns: 1fr;
    }
    
    .feature-highlight:nth-child(even) .feature-visual {
        order: 0;
    }
    
    .tab-navigation {
        flex-direction: column;
        align-items: center;
    }
    
    .video-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
}