/* 移动端样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

/* 移动端容器 */
.mobile-container {
    max-width: 100%;
    margin: 0 auto;
    position: relative;
}

/* 顶部导航 */
.mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 0 20px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    width: 32px;
    height: 32px;
}

.logo span {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
}

/* 汉堡菜单 */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 24px;
    height: 3px;
    background: #2c3e50;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 移动端菜单 */
.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.menu-item {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #2c3e50;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.3s ease;
}

.menu-item:hover,
.menu-item.active {
    background-color: #f8f9fa;
    color: #007bff;
}

/* 主要内容区域 */
.mobile-main {
    margin-top: 60px;
    padding-bottom: 20px;
}

/* 英雄区域 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.hero-content h1 {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
}

/* 下载按钮区域 */
.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 300px;
    margin: 0 auto;
}

.download-item {
    position: relative;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px 20px;
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.download-btn:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.download-btn img {
    width: 24px;
    height: 24px;
}

.download-btn.ios-btn img {
    filter: brightness(0) invert(1);
}

/* 二维码显示 */
.qr-code {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.qr-code.show {
    opacity: 1;
    visibility: visible;
}

.qr-code img {
    width: 120px;
    height: 120px;
    display: block;
}

/* 通用区块样式 */
.section-content {
    padding: 40px 20px;
    max-width: 600px;
    margin: 0 auto;
}

.section-content h2 {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
    color: #2c3e50;
}

/* 产品介绍区域 */
.product-intro {
    background: #f8f9fa;
}

.intro-text {
    font-size: 16px;
    line-height: 1.7;
    text-align: center;
    margin-bottom: 30px;
    color: #666;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.feature-item img {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.feature-item span {
    font-size: 15px;
    color: #2c3e50;
}

/* 核心功能区域 */
.core-features {
    background: white;
}

.feature-cards {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-card {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.card-icon img {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2c3e50;
}

.feature-card p {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 20px;
}

.feature-details {
    list-style: none;
    text-align: left;
}

.feature-details li {
    font-size: 14px;
    color: #666;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.feature-details li:last-child {
    border-bottom: none;
}

.feature-details li::before {
    content: "•";
    color: #007bff;
    font-weight: bold;
    margin-right: 8px;
}

/* FAQ区域 */
.faq-section {
    background: #f8f9fa;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-question span {
    font-size: 16px;
    font-weight: 500;
    color: #2c3e50;
}

.arrow {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.faq-item.active .arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: #f8f9fa;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 20px 20px;
    font-size: 14px;
    line-height: 1.6;
    color: #666;
}

.faq-answer a {
    color: #007bff;
    text-decoration: none;
}

.contact-qr {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.contact-qr img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
}

/* 下载区域 */
.download-section {
    background: white;
}

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

.download-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.download-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.download-card .card-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-card .card-icon img {
    width: 28px;
    height: 28px;
}

.download-card .card-icon.disabled {
    opacity: 0.5;
}

.card-title {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 5px;
}

.card-subtitle {
    display: block;
    font-size: 12px;
    color: #666;
}

/* 底部 */
.mobile-footer {
    background: #2c3e50;
    color: white;
    padding: 30px 20px;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 32px;
    height: 32px;
}

.footer-logo span {
    font-size: 18px;
    font-weight: 600;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 20px;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

.footer-nav a {
    color: #bdc3c7;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: white;
}

.footer-info {
    font-size: 12px;
    color: #95a5a6;
    line-height: 1.6;
}

.footer-info a {
    color: #95a5a6;
    text-decoration: none;
}

.footer-info a:hover {
    color: white;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 32px;
    height: 32px;
    background: #007bff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,123,255,0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

/* 客服按钮 */
.customer-service {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
}

.customer-service:hover {
    transform: translateY(-2px);
}

.customer-service img {
    width: 32px;
    height: 32px;
}

/* 响应式调整 */
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 24px;
    }
    
    .section-content {
        padding: 30px 15px;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 10px;
    }
}

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

.feature-card,
.faq-item,
.download-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* 加载动画 */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.download-btn:hover {
    animation: pulse 0.3s ease;
}

/* 页面标题样式 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 20px 40px;
    text-align: center;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 16px;
    opacity: 0.9;
}

/* 功能清单页面样式 */
.features-section {
    padding: 40px 0;
}

.features-section.enterprise {
    background: #f8f9fa;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    font-size: 16px;
}

/* 定价页面样式 */
.pricing-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border: 2px solid #007bff;
    transform: scale(1.02);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #007bff;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.card-header {
    text-align: center;
    margin-bottom: 25px;
}

.card-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.price {
    margin-bottom: 15px;
}

.currency {
    font-size: 18px;
    color: #666;
}

.amount {
    font-size: 36px;
    font-weight: 700;
    color: #007bff;
}

.period {
    font-size: 14px;
    color: #666;
}

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

.card-features {
    margin-bottom: 25px;
}

.card-features .feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: #2c3e50;
}

.card-features .feature img {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.card-action {
    text-align: center;
}

.btn-primary {
    display: inline-block;
    background: #007bff;
    color: white;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

/* 定价说明样式 */
.pricing-info {
    background: #f8f9fa;
    padding: 40px 0;
}

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

.info-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.info-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

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

/* 联系我们页面样式 */
.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    background: white;
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.12);
}

.contact-card .card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #007bff;
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

.contact-card p {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.contact-link {
    color: #007bff;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
}

.contact-text {
    color: #666;
    font-size: 14px;
}

/* 二维码样式 */
.service-section {
    background: #f8f9fa;
    padding: 40px 0;
}

.qr-codes {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.qr-item {
    text-align: center;
}

.qr-item img {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    margin-bottom: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.qr-item span {
    font-size: 14px;
    color: #666;
}

/* 服务时间样式 */
.service-time {
    padding: 40px 0;
}

.time-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.time-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.time-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 8px;
}

.time-card p {
    font-size: 14px;
    color: #007bff;
    font-weight: 600;
    margin-bottom: 5px;
}

.time-detail {
    font-size: 12px;
    color: #666;
}

/* 快速联系样式 */
.quick-contact {
    background: #f8f9fa;
    padding: 40px 0;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 300px;
    margin: 0 auto;
}

.contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 20px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.contact-btn.primary {
    background: #007bff;
    color: white;
}

.contact-btn.primary:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

.contact-btn.secondary {
    background: white;
    color: #007bff;
    border: 2px solid #007bff;
}

.contact-btn.secondary:hover {
    background: #007bff;
    color: white;
    transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 480px) {
    .page-header h1 {
        font-size: 28px;
    }
    
    .info-cards {
        grid-template-columns: 1fr;
    }
    
    .qr-codes {
        gap: 20px;
    }
    
    .qr-item img {
        width: 80px;
        height: 80px;
    }
}