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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a3a 50%, #2d2d5a 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(20px) rotate(-1deg); }
}

/* Floating Particles */
.background-animation::before,
.background-animation::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #eee, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 160px 30px, #ddd, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: sparkle 4s linear infinite;
    opacity: 0.3;
}

@keyframes sparkle {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-100px); }
}

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

/* Header and Navigation */
.header {
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.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 {
    color: #fff;
    font-size: 2rem;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(120, 119, 198, 0.8);
    background: linear-gradient(45deg, #fff, #7877c6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-link:hover {
    color: #7877c6;
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #7877c6, #ff77c6);
    transition: width 0.3s ease;
}

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

.nav-buttons {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, #7877c6, #ff77c6);
    color: #fff;
    box-shadow: 0 4px 15px rgba(120, 119, 198, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(120, 119, 198, 0.6);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #7877c6;
}

.btn-secondary:hover {
    background: #7877c6;
    transform: translateY(-3px);
}

.btn-login {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: #fff;
}

.btn-register {
    background: linear-gradient(45deg, #ff77c6, #e91e63);
    color: #fff;
}

.btn-login-full {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: #fff;
    width: 100%;
    margin-top: 1rem;
}

.btn-register-full {
    background: linear-gradient(45deg, #ff77c6, #e91e63);
    color: #fff;
    width: 100%;
    margin-top: 1rem;
}

.btn-support {
    background: linear-gradient(45deg, #ff9800, #f57c00);
    color: #fff;
    margin-top: 1rem;
}

/* Main Content */
.main-content {
    margin-top: 80px;
    padding-top: 2rem;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 2rem 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-title {
    font-size: 3.5rem;
    color: #fff;
    margin-bottom: 1rem;
    text-shadow: 0 0 30px rgba(120, 119, 198, 0.8);
    background: linear-gradient(45deg, #fff, #7877c6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #ccc;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Sections */
.section-title {
    font-size: 2.5rem;
    color: #fff;
    text-align: center;
    margin-bottom: 3rem;
    text-shadow: 0 0 20px rgba(120, 119, 198, 0.6);
}

.features-section,
.login-register-section,
.games-section,
.cta-section {
    padding: 4rem 0;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(120, 119, 198, 0.5);
}

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

.feature-card h4 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

/* Auth Container */
.auth-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.auth-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.auth-card:hover {
    transform: translateY(-5px);
    border-color: rgba(120, 119, 198, 0.5);
}

.auth-card h4 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

/* Games Grid */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    align-items: stretch;
}

.game-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.game-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 15px 15px 0 0;
    position: relative;
    background: linear-gradient(45deg, #7877c6, #ff77c6);
}

.game-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
    display: block;
    border-radius: 15px 15px 0 0;
}

/* 图片加载状态 */
.game-image img[loading] {
    opacity: 0.7;
}

.game-image img:not([loading]) {
    opacity: 1;
}

/* 当图片加载失败时的备用样式 */
.game-image img:not([src*=".webp"]):not([src*=".jpg"]):not([src*=".png"]),
.game-image img[src=""] {
    display: none;
}

.game-image:not(:has(img[src*=".webp"])):not(:has(img[src*=".jpg"])):not(:has(img[src*=".png"]))::before {
    content: "🎮";
    font-size: 4rem;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

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

.game-card h4 {
    color: #fff;
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.3rem;
    margin: 0;
}

.game-card p {
    color: #ccc;
    padding: 0 1.5rem 0.5rem;
    line-height: 1.6;
    margin: 0;
}

.game-card p:first-of-type {
    color: #7877c6;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0 1.5rem 0.5rem;
}

.game-card p:last-of-type {
    padding: 0 1.5rem 1.5rem;
    color: #ccc;
}

/* CTA Section */
.cta-section {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 2rem 20px;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-section p {
    color: #ccc;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Footer */
.footer {
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 3rem 0;
}

.footer-section h4 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

.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: #7877c6;
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid,
    .auth-container,
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-section,
    .cta-section {
        margin: 1rem 15px;
        padding: 2rem 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .background-animation,
    .background-animation::before,
    .background-animation::after {
        animation: none;
    }
    
    .btn:hover {
        transform: none;
    }
    
    .feature-card:hover,
    .auth-card:hover,
    .game-card:hover {
        transform: none;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus {
    outline: 2px solid #7877c6;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    body {
        background: #000;
        color: #fff;
    }
    
    .feature-card,
    .auth-card,
    .game-card {
        background: #fff;
        color: #000;
        border: 2px solid #000;
    }
}

/* Page Header Styles */
.page-header {
    text-align: center;
    padding: 3rem 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 2rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-header h1 {
    font-size: 3rem;
    color: #fff;
    margin-bottom: 1rem;
    text-shadow: 0 0 30px rgba(120, 119, 198, 0.8);
    background: linear-gradient(45deg, #fff, #7877c6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: #ccc;
    font-size: 1.2rem;
}

/* Content Section Styles */
.content-section {
    padding: 2rem 0;
}

.policy-content,
.terms-content,
.disclaimer-content {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    line-height: 1.8;
}

.policy-content h2,
.terms-content h2,
.disclaimer-content h2 {
    color: #fff;
    font-size: 1.8rem;
    margin: 2rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(120, 119, 198, 0.5);
}

.policy-content h3,
.terms-content h3,
.disclaimer-content h3 {
    color: #fff;
    font-size: 1.4rem;
    margin: 1.5rem 0 0.5rem 0;
}

.policy-content p,
.terms-content p,
.disclaimer-content p {
    color: #ccc;
    margin-bottom: 1rem;
}

.policy-content ul,
.terms-content ul,
.disclaimer-content ul {
    color: #ccc;
    margin: 1rem 0 1rem 2rem;
}

.policy-content li,
.terms-content li,
.disclaimer-content li {
    margin-bottom: 0.5rem;
}

.contact-info {
    background: rgba(120, 119, 198, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
    border: 1px solid rgba(120, 119, 198, 0.3);
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-info a {
    color: #7877c6;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.policy-footer,
.terms-footer,
.disclaimer-footer {
    background: rgba(255, 119, 198, 0.1);
    padding: 2rem;
    border-radius: 10px;
    margin: 2rem 0 0 0;
    border: 1px solid rgba(255, 119, 198, 0.3);
    text-align: center;
}

/* Contact Page Styles */
.contact-section {
    padding: 3rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-info-card,
.contact-form-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info-card h3,
.contact-form-card h3 {
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.contact-info-card p {
    color: #ccc;
    margin-bottom: 1.5rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    color: #fff;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.contact-details p {
    color: #ccc;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #7877c6;
    box-shadow: 0 0 0 3px rgba(120, 119, 198, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #ccc;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-label a {
    color: #7877c6;
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* FAQ Section */
.faq-section {
    padding: 3rem 0;
}

.faq-section h3 {
    color: #fff;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.faq-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item h4 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.faq-item p {
    color: #ccc;
    line-height: 1.6;
}

/* Support Section */
.support-section {
    padding: 3rem 0;
}

.support-section h3 {
    color: #fff;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

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

.support-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.support-card:hover {
    transform: translateY(-5px);
    border-color: rgba(120, 119, 198, 0.5);
}

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

.support-card h4 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.support-card p {
    color: #ccc;
    line-height: 1.6;
}

/* 404 Error Page Styles */
.error-section {
    text-align: center;
    padding: 4rem 0;
}

.error-content {
    max-width: 800px;
    margin: 0 auto;
}

.error-number {
    font-size: 8rem;
    font-weight: 700;
    color: #ff77c6;
    text-shadow: 0 0 30px rgba(255, 119, 198, 0.8);
    margin-bottom: 1rem;
    line-height: 1;
}

.error-content h1 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1rem;
}

.error-content p {
    color: #ccc;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.error-help {
    margin: 3rem 0;
}

.error-help h3 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

.help-links a {
    color: #7877c6;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(120, 119, 198, 0.3);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.help-links a:hover {
    background: rgba(120, 119, 198, 0.2);
    border-color: #7877c6;
}

.error-suggestions {
    margin: 3rem 0;
}

.error-suggestions h3 {
    color: #fff;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

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

.suggestion-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.suggestion-item:hover {
    transform: translateY(-5px);
    border-color: rgba(120, 119, 198, 0.5);
}

.suggestion-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.suggestion-item h4 {
    color: #fff;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.suggestion-item p {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Responsive adjustments for new pages */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .policy-content,
    .terms-content,
    .disclaimer-content {
        padding: 2rem 1rem;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .error-number {
        font-size: 6rem;
    }
    
    .error-content h1 {
        font-size: 2rem;
    }
    
    .help-links {
        flex-direction: column;
        align-items: center;
    }
    
    .suggestions-grid {
        grid-template-columns: 1fr;
    }
    
    /* 游戏卡片响应式优化 */
    .games-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .game-image {
        height: 180px;
    }
}

@media (max-width: 480px) {
    .game-image {
        height: 160px;
    }
    
    .game-card h4 {
        font-size: 1.2rem;
        padding: 1rem 1rem 0.5rem;
    }
    
    .game-card p {
        font-size: 0.9rem;
        padding: 0 1rem 1rem;
    }
}