/* 全局样式重置和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #4834d4, #686de0);
    color: white;
    box-shadow: 0 4px 15px rgba(72, 52, 212, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(72, 52, 212, 0.4);
}

.btn-download {
    background: linear-gradient(135deg, #00d2d3, #54a0ff);
    color: white;
    padding: 16px 32px;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(0, 210, 211, 0.3);
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 210, 211, 0.4);
}

.btn-download span {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-left: 12px;
}

.btn-download small {
    font-size: 12px;
    opacity: 0.8;
    font-weight: normal;
}

/* 头部导航样式 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.logo-text {
    font-size: 17px;
    font-weight: bold;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 10px;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.login-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.login-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-width: 180px;
    z-index: 1001;
    list-style: none;
    padding: 8px 0;
    margin: 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    transition: background 0.3s ease;
}

.dropdown-link:hover {
    background: #f8f9fa;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: 0.3s;
}

/* 主要内容区域 */
.main-content {
    min-height: calc(100vh - 70px);
}

/* 英雄区域样式 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #fff, #f1c40f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #f1c40f;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    line-height: 1.8;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image {
    text-align: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.hero-img:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.05);
}

/* 特色功能区域 */
.features-section {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

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

/* 游戏截图区域 */
.screenshots-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.screenshot-item {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.screenshot-item:hover {
    transform: scale(1.05);
}

.screenshot-img {
    width: 100%;
    height: auto;
    display: block;
}

/* 下载区域 */
.download-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.download-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.download-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 页脚样式 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.footer-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #ecf0f1;
}

.contact-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ecf0f1 !important;
    font-size: 0.95rem;
}

.footer .contact-info p {
    color: #ecf0f1 !important;
}

.contact-info i {
    width: 16px;
    color: #3498db;
    flex-shrink: 0;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3498db;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    text-align: center;
    color: #95a5a6;
}

.footer-bottom a {
    color: #3498db;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
    
    .download-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 {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-section,
    .screenshots-section,
    .download-section {
        padding: 60px 0;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .btn-download {
        padding: 14px 28px;
        font-size: 16px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.screenshot-item {
    animation: fadeInUp 0.6s ease-out;
}

/* 关于我们页面样式 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 15px;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.company-intro {
    padding: 80px 0;
    background: white;
}

.intro-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 25px;
}

.company-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

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

.value-item i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 15px;
}

.value-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.value-item p {
    color: #666;
    font-size: 0.95rem;
}

.intro-image {
    text-align: center;
}

.company-logo {
    max-width: 200px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.company-info {
    padding: 80px 0;
    background: #f8f9fa;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.info-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 4px solid #667eea;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: white;
}

.info-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
}

.info-content {
    color: #666;
    line-height: 1.6;
}

.product-section {
    padding: 80px 0;
    background: white;
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-title {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #333;
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 30px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.feature-tag {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.product-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.product-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.product-img:hover {
    transform: scale(1.05);
}

.product-img:first-child {
    grid-column: 1 / -1;
}

.contact-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3,
.contact-map h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

.contact-info p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: #333;
}

.contact-item i {
    color: #667eea;
    width: 20px;
}

.map-placeholder {
    background: white;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.map-placeholder i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
}

.map-placeholder p {
    color: #555;
    line-height: 1.6;
}

/* 响应式设计 - 关于我们页面 */
@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .company-values {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .product-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-image-grid {
        grid-template-columns: 1fr;
    }
    
    .product-img:first-child {
        grid-column: 1;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 40px 0;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .company-intro,
    .company-info,
    .product-section,
    .contact-section {
        padding: 60px 0;
    }
    
    .value-item {
        padding: 20px 15px;
    }
    
    .info-card {
        padding: 20px;
    }
}

/* 纠纷处理页面样式 */
.dispute-content {
    padding: 60px 0;
}

.dispute-process {
    margin-bottom: 80px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 30px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    color: #333;
    margin-bottom: 10px;
    font-size: 18px;
}

.step-content p {
    color: #666;
    line-height: 1.6;
}

.dispute-types {
    margin-bottom: 80px;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.type-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.type-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.type-icon i {
    font-size: 32px;
    color: white;
}

.type-card h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 20px;
}

.type-card ul {
    list-style: none;
    text-align: left;
}

.type-card li {
    padding: 8px 0;
    color: #666;
    border-bottom: 1px solid #eee;
}

.type-card li:last-child {
    border-bottom: none;
}

.dispute-principles {
    margin-bottom: 80px;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.principle-item {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.principle-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.principle-icon i {
    font-size: 28px;
    color: white;
}

.principle-item h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 18px;
}

.principle-item p {
    color: #666;
    line-height: 1.6;
}

.dispute-contact {
    margin-bottom: 80px;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.contact-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-icon i {
    font-size: 32px;
    color: white;
}

.contact-card h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 20px;
}

.contact-link {
    color: #667eea;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
}

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

.contact-note {
    color: #999;
    font-size: 14px;
    margin-top: 10px;
}

.dispute-notice {
    margin-bottom: 80px;
}

.notice-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.notice-item {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.notice-item h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.notice-item h3 i {
    color: #667eea;
}

.notice-item ul {
    list-style: none;
}

.notice-item li {
    padding: 8px 0;
    color: #666;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 20px;
}

.notice-item li:before {
    content: "•";
    color: #667eea;
    position: absolute;
    left: 0;
}

.notice-item li:last-child {
    border-bottom: none;
}

.legal-statement {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.statement-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.statement-content p:last-child {
    margin-bottom: 0;
}

/* 防沉迷系统页面样式 */
.anti-addiction-content {
    padding: 60px 0;
}

.system-overview {
    margin-bottom: 80px;
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 40px;
    align-items: center;
}

.overview-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.overview-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-item {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.feature-item i {
    font-size: 32px;
    color: #667eea;
    margin-bottom: 15px;
}

.feature-item h3 {
    color: #333;
    margin-bottom: 10px;
    font-size: 16px;
}

.feature-item p {
    color: #666;
    font-size: 14px;
}

.real-name-auth {
    margin-bottom: 80px;
}

.auth-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-top: 40px;
}

.auth-process .process-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.auth-process .step {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.auth-process .step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-info h4 {
    color: #333;
    margin-bottom: 5px;
    font-size: 16px;
}

.step-info p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.auth-requirements {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 12px;
}

.auth-requirements h3 {
    color: #333;
    margin-bottom: 20px;
}

.auth-requirements ul {
    list-style: none;
}

.auth-requirements li {
    padding: 10px 0;
    color: #666;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 20px;
}

.auth-requirements li:before {
    content: "✓";
    color: #667eea;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.auth-requirements li:last-child {
    border-bottom: none;
}

.time-limits {
    margin-bottom: 80px;
}

.limits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.limit-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.limit-card.adult {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.age-group {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    text-align: center;
}

.limit-card.adult .age-group {
    background: rgba(255, 255, 255, 0.2);
}

.age-group i {
    font-size: 32px;
    margin-bottom: 10px;
}

.age-group h3 {
    margin: 0;
    font-size: 18px;
}

.limit-details {
    padding: 25px;
}

.limit-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.limit-card.adult .limit-item {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.limit-item:last-child {
    border-bottom: none;
}

.limit-label {
    color: #666;
    font-weight: 500;
}

.limit-card.adult .limit-label {
    color: rgba(255, 255, 255, 0.8);
}

.limit-value {
    color: #333;
    font-weight: bold;
    text-align: right;
}

.limit-card.adult .limit-value {
    color: white;
}

.system-functions {
    margin-bottom: 80px;
}

.functions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.function-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.function-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.function-icon i {
    font-size: 28px;
    color: white;
}

.function-card h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 18px;
}

.function-card ul {
    list-style: none;
    text-align: left;
}

.function-card li {
    padding: 8px 0;
    color: #666;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 20px;
}

.function-card li:before {
    content: "•";
    color: #667eea;
    position: absolute;
    left: 0;
}

.function-card li:last-child {
    border-bottom: none;
}

.healthy-gaming {
    margin-bottom: 80px;
}

.suggestions-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.suggestion-category {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.suggestion-category h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.suggestion-category h3 i {
    color: #667eea;
}

.suggestion-category ul {
    list-style: none;
}

.suggestion-category li {
    padding: 10px 0;
    color: #666;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 20px;
    line-height: 1.6;
}

.suggestion-category li:before {
    content: "✓";
    color: #667eea;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.suggestion-category li:last-child {
    border-bottom: none;
}

.parent-guidance {
    margin-bottom: 80px;
}

.guidance-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-top: 40px;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.tip-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.tip-item i {
    font-size: 24px;
    color: #667eea;
    margin-bottom: 10px;
}

.tip-item h4 {
    color: #333;
    margin-bottom: 10px;
    font-size: 16px;
}

.tip-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.monitoring-tools {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.monitoring-tools h3 {
    color: #333;
    margin-bottom: 20px;
}

.monitoring-tools ul {
    list-style: none;
    margin-bottom: 20px;
}

.monitoring-tools li {
    padding: 10px 0;
    color: #666;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 20px;
    line-height: 1.6;
}

.monitoring-tools li:before {
    content: "•";
    color: #667eea;
    position: absolute;
    left: 0;
}

.monitoring-tools li:last-child {
    border-bottom: none;
}

.guidance-link {
    color: #667eea;
    text-decoration: none;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.guidance-link:hover {
    color: #764ba2;
}

.contact-section {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.contact-section .contact-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.contact-section .contact-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.contact-section .contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
}

.contact-section .contact-item i {
    color: #667eea;
    width: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .overview-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .overview-features {
        grid-template-columns: 1fr;
    }
    
    .auth-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .guidance-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-section .contact-methods {
        flex-direction: column;
        gap: 15px;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .types-grid {
        grid-template-columns: 1fr;
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .notice-content {
        grid-template-columns: 1fr;
    }
    
    .limits-grid {
        grid-template-columns: 1fr;
    }
    
    .functions-grid {
        grid-template-columns: 1fr;
    }
    
    .suggestions-content {
        grid-template-columns: 1fr;
    }
}

/* 家长监护页面样式 */
.parental-intro {
    margin-bottom: 4rem;
}

.parental-intro .intro-content {
    text-align: center;
    margin-bottom: 3rem;
}

.parental-intro .intro-content h2 {
    color: #667eea;
    margin-bottom: 1rem;
}

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

.parental-intro .feature-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.parental-intro .feature-item:hover {
    transform: translateY(-5px);
}

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

.parental-intro .feature-item h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.parental-functions {
    margin-bottom: 4rem;
}

.parental-process h2,
.cooperation-types h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

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

.type-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.type-card .type-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.type-card .type-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.type-card h3 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.type-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.type-card ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 1.5rem;
}

.type-card ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.type-card ul li:last-child {
    border-bottom: none;
}

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

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

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

.function-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.function-card .function-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.function-card .function-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.function-card h3 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.function-card ul {
    list-style: none;
    padding: 0;
}

.function-card ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 1.5rem;
}

.function-card ul li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.function-card ul li:last-child {
    border-bottom: none;
}

.parental-process {
    margin-bottom: 4rem;
}

.parental-process h2 {
    text-align: center;
    color: #667eea;
    margin-bottom: 3rem;
}

.parental-form {
    margin-bottom: 4rem;
}

.parental-form h2 {
    text-align: center;
    color: #667eea;
    margin-bottom: 3rem;
}

.parental-contact {
    margin-bottom: 4rem;
}

.parental-contact h2 {
    text-align: center;
    color: #667eea;
    margin-bottom: 3rem;
}

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

.parental-contact .contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.parental-contact .contact-item i {
    font-size: 2rem;
    color: #667eea;
}

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

.parental-contact .contact-note {
    text-align: center;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

/* 软件合作页面样式 */
.cooperation-intro {
    margin-bottom: 4rem;
}

.cooperation-intro .intro-content {
    text-align: center;
    margin-bottom: 3rem;
}

.cooperation-intro .intro-content h2 {
    color: #667eea;
    margin-bottom: 1rem;
}

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

.cooperation-intro .stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.cooperation-intro .stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.cooperation-intro .stat-label {
    color: #333;
    font-size: 1.1rem;
}

.cooperation-types {
    margin-bottom: 4rem;
}

.cooperation-types h2 {
    text-align: center;
    color: #667eea;
    margin-bottom: 3rem;
}

.type-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.benefit-tag {
    background: #667eea;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

.cooperation-advantages {
    margin-bottom: 4rem;
}

.cooperation-advantages h2 {
    text-align: center;
    color: #667eea;
    margin-bottom: 3rem;
}

.advantages-container {
    display: grid;
    gap: 2rem;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.advantage-icon i {
    font-size: 1.5rem;
}

.advantage-content h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.cooperation-process {
    margin-bottom: 4rem;
}

.cooperation-process h2 {
    text-align: center;
    color: #667eea;
    margin-bottom: 3rem;
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

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

.timeline-item:not(:last-child):before {
    content: '';
    position: absolute;
    left: 20px;
    top: 40px;
    width: 2px;
    height: calc(100% + 1rem);
    background: #ddd;
}

.timeline-marker {
    width: 40px;
    height: 40px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.timeline-content h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.cooperation-partners {
    margin-bottom: 4rem;
}

.cooperation-partners h2 {
    text-align: center;
    color: #667eea;
    margin-bottom: 3rem;
}

.partners-showcase {
    display: grid;
    gap: 3rem;
}

.partner-category h3 {
    text-align: center;
    color: #333;
    margin-bottom: 2rem;
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.partner-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.partner-logo:hover {
    transform: translateY(-5px);
}

.partner-logo i {
    font-size: 2.5rem;
    color: #667eea;
}

.partner-logo span {
    font-weight: 500;
    color: #333;
}

.cooperation-form {
    margin-bottom: 4rem;
}

.cooperation-form h2 {
    text-align: center;
    color: #667eea;
    margin-bottom: 3rem;
}

.cooperation-contact {
    margin-bottom: 4rem;
}

.cooperation-contact h2 {
    text-align: center;
    color: #667eea;
    margin-bottom: 3rem;
}

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

.cooperation-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.cooperation-contact .contact-item i {
    font-size: 2rem;
    color: #667eea;
    margin-top: 0.2rem;
}

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

.cooperation-contact .contact-note {
    text-align: center;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

/* 表单样式增强 */
.application-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    color: #667eea;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #667eea;
    display: inline-block;
}

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

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

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

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.checkbox-item:hover {
    background-color: #f8f9fa;
}

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

.checkmark {
    font-weight: 500;
}

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

/* 信息发布页面样式 */
.publish-form {
    padding: 4rem 0;
    background: #f8f9fa;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    overflow: hidden;
}

.form-header {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 2rem;
    text-align: center;
}

.form-header h2 {
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.form-header p {
    opacity: 0.9;
    margin: 0;
}

.publish-form-content {
    padding: 2rem;
}

.form-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.form-section h3 {
    color: #667eea;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

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

.required {
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #6c757d;
    font-size: 0.875rem;
}

.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-area {
    border: 2px dashed #e1e5e9;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: border-color 0.3s ease;
}

.file-upload-area:hover {
    border-color: #667eea;
}

.file-upload-area i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 1rem;
}

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

.checkbox-item,
.radio-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.checkbox-item:hover,
.radio-item:hover {
    background-color: #f8f9fa;
}

.checkbox-item input[type="checkbox"],
.radio-item input[type="radio"] {
    display: none;
}

.checkmark,
.radiomark {
    width: 20px;
    height: 20px;
    border: 2px solid #e1e5e9;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.radiomark {
    border-radius: 50%;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark,
.radio-item input[type="radio"]:checked + .radiomark {
    background-color: #667eea;
    border-color: #667eea;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark:after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.radio-item input[type="radio"]:checked + .radiomark:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: white;
    border-radius: 50%;
}

.agreement {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.agreement a {
    color: #667eea;
    text-decoration: none;
}

.agreement a:hover {
    text-decoration: underline;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

.publish-notice {
    max-width: 800px;
    margin: 2rem auto 0;
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.publish-notice h3 {
    color: #e67e22;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.publish-notice ul {
    list-style: none;
    padding: 0;
}

.publish-notice ul li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 1.5rem;
}

.publish-notice ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #e67e22;
    font-weight: bold;
}

.publish-notice ul li:last-child {
    border-bottom: none;
}

/* 登录注册页面样式 */
.auth-container {
    max-width: 450px;
    margin: 2rem auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
}

.auth-tabs {
    display: flex;
    background: #f8f9fa;
}

.tab-btn {
    flex: 1;
    padding: 1rem;
    border: none;
    background: transparent;
    font-size: 1rem;
    font-weight: 500;
    color: #6c757d;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn.active {
    color: var(--primary-color);
    background: white;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
}

.auth-form {
    padding: 2rem;
}

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

.auth-form .form-header h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.auth-form .form-header p {
    color: #6c757d;
    font-size: 0.9rem;
}

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

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

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 1rem;
    color: #6c757d;
    z-index: 2;
}

.input-group input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2.5rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.password-toggle {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    padding: 0.25rem;
    z-index: 2;
}

.password-toggle:hover {
    color: var(--primary-color);
}

.verify-btn {
    position: absolute;
    right: 0.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
}

.verify-btn:hover {
    background: var(--secondary-color);
}

.verify-btn:disabled {
    background: #6c757d;
    cursor: not-allowed;
}

.form-hint {
    font-size: 0.8rem;
    color: #6c757d;
    margin-top: 0.25rem;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: #333;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #e1e5e9;
    border-radius: 4px;
    margin-right: 0.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.7rem;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: var(--secondary-color);
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 1rem;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.social-login {
    text-align: center;
    border-top: 1px solid #e1e5e9;
    padding-top: 1.5rem;
}

.social-login p {
    color: #6c757d;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

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

.social-btn {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    background: white;
    color: #333;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.social-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.social-btn.wechat:hover {
    border-color: #07c160;
    color: #07c160;
}

.social-btn.qq:hover {
    border-color: #12b7f5;
    color: #12b7f5;
}

/* 登录注册页面响应式设计 */
@media (max-width: 768px) {
    .auth-container {
        margin: 1rem;
        border-radius: 8px;
    }
    
    .auth-form {
        padding: 1.5rem;
    }
    
    .social-buttons {
        flex-direction: column;
    }
    
    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .auth-form {
        padding: 1rem;
    }
    
    .auth-form .form-header h2 {
        font-size: 1.3rem;
    }
    
    .input-group input {
        padding: 0.75rem 1rem 0.75rem 2.5rem;
    }
    
    .btn-full {
        padding: 0.875rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .parental-intro .intro-features,
    .cooperation-intro .intro-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .functions-grid,
    .types-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 1rem;
    }
    
    .timeline-item:not(:last-child):before {
        display: none;
    }
    
    .partner-logos {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .parental-contact .contact-info,
    .cooperation-contact .contact-info {
        grid-template-columns: 1fr;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
    }
    
    .function-card,
    .type-card {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .parental-intro .intro-features,
    .cooperation-intro .intro-stats {
        grid-template-columns: 1fr;
    }
    
    .partner-logos {
        grid-template-columns: 1fr;
    }
    
    .application-form {
        padding: 1rem;
    }
    
    .form-section h3 {
        font-size: 1.2rem;
    }
    
    .timeline-content {
        padding: 1rem;
    }
    
    .advantage-item {
        padding: 1rem;
    }
    
    /* 信息发布页面移动端适配 */
    .publish-form-content {
        padding: 1rem;
    }
    
    .form-header {
        padding: 1.5rem 1rem;
    }
    
    .form-header h2 {
        font-size: 1.5rem;
    }
    
    .form-section h3 {
        font-size: 1.1rem;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .publish-notice {
        margin: 1rem auto 0;
        padding: 1.5rem;
    }
    
    .file-upload-area {
        padding: 1.5rem;
    }
    
    .checkbox-group,
    .radio-group {
        grid-template-columns: 1fr;
    }
}

/* 信息发布页面响应式设计 */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-container {
        margin: 0 1rem;
    }
    
    .publish-notice {
        margin: 2rem 1rem 0;
    }
    
    .checkbox-group,
    .radio-group {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .form-actions .btn {
        min-width: 120px;
    }
}

/* 上传文件列表样式 */
.uploaded-files {
    margin-top: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e1e5e9;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: white;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.file-item:last-child {
    margin-bottom: 0;
}

.file-item i {
    color: #667eea;
    font-size: 1.2rem;
}

.file-item span {
    flex: 1;
}

.file-size {
    color: #6c757d;
    font-size: 0.875rem;
}