/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

/* 导航栏样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo h1 {
    font-size: 28px;
    color: #e74c3c;
    font-weight: bold;
}

.menu {
    display: flex;
    list-style: none;
}

.menu li {
    margin-left: 30px;
}

.menu li a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s;
}

.menu li a:hover {
    color: #e74c3c;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: #fff;
    padding: 120px 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: bold;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 40px;
}

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

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-primary {
    background-color: #fff;
    color: #e74c3c;
}

.btn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* 功能介绍样式 */
.features {
    padding: 80px 0;
    text-align: center;
}

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

.features h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 60px;
}

.feature-items {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}

.feature-item {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: #f1f1f1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 16px;
    color: #e74c3c;
    font-weight: bold;
}

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

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

/* 版块预览样式 */
.sections-preview {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.section-card {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.section-card > div {
    flex: 1;
    min-width: 300px;
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.section-card > div:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.section-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.section-card p {
    color: #666;
    margin-bottom: 20px;
}

.section-card img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* 用户评价样式 */
.testimonials {
    background-color: #fff;
    padding: 80px 0;
}

.testimonials h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 60px;
}

.testimonial-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 20px;
    object-fit: cover;
}

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

.testimonial-rating {
    color: #f39c12;
    margin-bottom: 15px;
}

.testimonial-name {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.testimonial-role {
    font-size: 14px;
    color: #999;
}

/* 数据统计样式 */
.stats {
    background-color: #e74c3c;
    color: #fff;
    padding: 80px 0;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.stat-item {
    flex: 1;
    text-align: center;
    min-width: 200px;
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    opacity: 0.9;
}

/* 微信渠道模块样式 */
.app-download {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.app-download .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.app-download h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
}

.app-download p {
    font-size: 18px;
    color: #666;
    margin-bottom: 60px;
    line-height: 1.8;
}

.wechat-channels {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

.wechat-channel {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
    min-width: 280px;
}

.wechat-channel:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.wechat-channel h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
}

.qrcode-container {
    margin-bottom: 20px;
    background-color: #fff;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: inline-block;
}

.qrcode-image {
    width: 200px;
    height: 200px;
    object-fit: contain;
}

.qrcode-tip {
    font-size: 16px;
    color: #666;
    margin: 0;
}

/* 常见问题样式 */
.faq-section {
    background-color: #fff;
    padding: 80px 0;
}

.faq-section h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 60px;
}

.faq-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 联系我们样式 */
.contact-section {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.contact-section h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 60px;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.contact-icon img {
    max-width: 100%;
    height: auto;
}

.contact-text h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 5px;
}

.contact-text p {
    color: #666;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-link img {
    width: 40px;
    height: 40px;
    transition: transform 0.3s;
}

.social-link img:hover {
    transform: translateY(-3px);
}

.contact-form {
    flex: 1;
    min-width: 300px;
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 16px;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #e74c3c;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* 回到顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #e74c3c;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 999;
}

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

.back-to-top:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .app-download-container {
        flex-direction: column;
        text-align: center;
    }
    
    .app-buttons {
        align-items: center;
    }
    
    .contact-container {
        flex-direction: column;
    }
}

/* 移动端菜单样式 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #333;
    cursor: pointer;
}

@media (max-width: 768px) {
    .features {
        flex-direction: column;
    }
    
    .download-methods {
        flex-direction: column;
    }
    
    .step-item {
        flex-direction: column;
    }
    
    .menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .menu.active {
        display: flex;
    }
    
    .menu li {
        margin: 15px 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-content h2 {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
        font-size: 20px;
    }
}

/* 表单验证样式 */
.form-group.error input,
.form-group.error textarea {
    border-color: #e74c3c;
}

.form-group.success input,
.form-group.success textarea {
    border-color: #27ae60;
}

.form-error {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

.form-group.error .form-error {
    display: block;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* 导航项高亮样式 */
.menu li a.active {
    color: #e74c3c;
    font-weight: 600;
}

/* 滚动动画类 */
.scrolled {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 临时功能样式 */
.temp-feature {
    opacity: 0.6;
}

.temp-feature:hover {
    opacity: 1;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #e74c3c;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    position: relative;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    transition: color 0.3s;
}

.close-modal:hover {
    color: #333;
}

.qrcode-display {
    margin: 20px 0;
}

.qrcode-display img {
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.modal h3 {
    margin-bottom: 10px;
    color: #333;
}

.modal p {
    color: #666;
    font-size: 14px;
    margin-top: 10px;
}

/* 数据统计样式 */
.stats {
    background-color: #f8f9fa;
    padding: 60px 0;
}

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

.stats-items {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.stats-item {
    flex: 1;
    min-width: 200px;
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.stats-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.stat-value {
    font-size: 48px;
    font-weight: bold;
    color: #e74c3c;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    color: #333;
}

/* 底部样式 */
footer {
    background-color: #333;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo {
    max-width: 300px;
}

.footer-logo h2 {
    font-size: 28px;
    color: #fff;
    margin-bottom: 10px;
}

.footer-logo p {
    color: #aaa;
    font-size: 14px;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links h3 {
    font-size: 18px;
    color: #fff;
    margin-bottom: 15px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

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

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

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

.footer-contact p {
    color: #aaa;
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #aaa;
    font-size: 14px;
}

/* 登录页面样式 */
.login-container {
    max-width: 500px;
    margin: 50px auto;
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.login-header h2 {
    text-align: center;
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form .form-group label {
    display: block;
    font-size: 16px;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}

.login-form .form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.login-form .form-group input:focus {
    outline: none;
    border-color: #e74c3c;
}

.remember-me {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.remember-me input {
    margin-right: 10px;
}

.remember-me label {
    color: #666;
    cursor: pointer;
}

.forgot-password {
    text-align: right;
    margin-bottom: 20px;
}

.forgot-password a {
    color: #e74c3c;
    text-decoration: none;
}

.forgot-password a:hover {
    text-decoration: underline;
}

.login-button {
    width: 100%;
    padding: 15px;
    background-color: #e74c3c;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-button:hover {
    background-color: #c0392b;
}

.register-link {
    text-align: center;
    margin-top: 20px;
    color: #666;
}

.register-link a {
    color: #e74c3c;
    text-decoration: none;
    font-weight: 600;
}

.register-link a:hover {
    text-decoration: underline;
}

/* 导航栏样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

.logo img {
    height: 50px;
}

.logo h1 {
    font-size: 28px;
    color: #e74c3c;
    font-weight: bold;
    margin: 0;
}

.menu {
    display: flex;
    list-style: none;
}

.menu li {
    margin-left: 30px;
}

.menu li a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s;
}

.menu li a:hover {
    color: #e74c3c;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: #fff;
    height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-content {
    max-width: 1920px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.hero-text {
    width: 100%;
    max-width: 800px;
    z-index: 1;
}

.hero-text h1 {
    font-size: 56px;
    margin-bottom: 25px;
    font-weight: bold;
    line-height: 1.2;
}

.hero-text p {
    font-size: 24px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-image {
    width: 100%;
    max-width: 900px;
    z-index: 1;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

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

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-primary {
    background-color: #fff;
    color: #e74c3c;
}

.btn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* 功能介绍样式 */
.features {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.feature-item {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: #f1f1f1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 16px;
    color: #e74c3c;
    font-weight: bold;
}

.feature-icon img {
    max-width: 100%;
    height: auto;
}

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

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

/* 版块预览样式 */
.sections-preview {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.section-card {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.section-card > div {
    flex: 1;
    min-width: 300px;
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.section-card > div:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.section-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.section-card p {
    color: #666;
    margin-bottom: 20px;
}

.btn-more {
    display: inline-block;
    color: #e74c3c;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.btn-more:hover {
    color: #c0392b;
}

/* 页面内容样式 */
.page-content {
    max-width: 1200px;
    margin: 50px auto;
    padding: 0 20px;
}

.page-header {
    text-align: center;
    margin-bottom: 50px;
}

.page-header h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 10px;
}

.page-header p {
    color: #666;
    font-size: 18px;
}

/* 店铺加入页面样式 */
.join-content {
    background-color: #fff;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.join-benefits {
    margin-bottom: 40px;
}

.join-benefits h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.join-benefits ul {
    list-style: none;
    padding: 0;
}

.join-benefits li {
    padding: 12px 0;
    padding-left: 25px;
    position: relative;
    color: #666;
    border-bottom: 1px solid #f1f1f1;
}

.join-benefits li:before {
    content: "✓";
    color: #27ae60;
    position: absolute;
    left: 0;
}

.join-process h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: #e74c3c;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #333;
}

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

.join-requirements h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.join-requirements ul {
    list-style: none;
    padding: 0;
    margin-bottom: 40px;
}

.join-requirements li {
    padding: 12px 0;
    padding-left: 25px;
    position: relative;
    color: #666;
    border-bottom: 1px solid #f1f1f1;
}

.join-requirements li:before {
    content: "•";
    color: #e74c3c;
    position: absolute;
    left: 0;
    font-size: 20px;
}

.join-action {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 品牌入驻页面样式 */
.brand-content {
    background-color: #fff;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.brand-benefits {
    margin-bottom: 40px;
}

.brand-benefits h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background-color: #e74c3c;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    font-size: 14px;
    font-weight: bold;
}

.benefit-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

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

.brand-requirements h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.brand-requirements ul {
    list-style: none;
    padding: 0;
    margin-bottom: 40px;
}

.brand-requirements li {
    padding: 12px 0;
    padding-left: 25px;
    position: relative;
    color: #666;
    border-bottom: 1px solid #f1f1f1;
}

.brand-requirements li:before {
    content: "•";
    color: #e74c3c;
    position: absolute;
    left: 0;
    font-size: 20px;
}

.brand-process h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.brand-process ol {
    padding-left: 20px;
    margin-bottom: 40px;
}

.brand-process li {
    padding: 10px 0;
    color: #666;
}

.brand-action {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* App下载页面样式 */
.download-content {
    background-color: #fff;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.download-methods {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 50px;
}

.download-item {
    flex: 1;
    text-align: center;
}

.download-item h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #333;
}

.qrcode-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: inline-block;
}

.qrcode-placeholder {
    width: 200px;
    height: 200px;
    background-color: #f1f1f1;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.qrcode-image {
    width: 200px;
    height: 200px;
    border-radius: 10px;
    margin-bottom: 10px;
    object-fit: contain;
}

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

.app-download-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.app-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 10px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.app-link:hover {
    background-color: #e9ecef;
    transform: translateY(-2px);
}

.app-icon {
    width: 40px;
    height: 40px;
    background-color: #e74c3c;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 12px;
}

.download-features h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 50px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.feature-grid .feature-item {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 120px;
}

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

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

.download-help h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.help-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.help-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.help-item p {
    color: #666;
}

/* 帮助中心页面样式 */
.help-content {
    background-color: #fff;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.help-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.category-item {
    padding: 10px 20px;
    background-color: #f8f9fa;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    color: #666;
}

.category-item:hover {
    background-color: #e9ecef;
}

.category-item.active {
    background-color: #e74c3c;
    color: #fff;
}

.faq-container {
    margin-bottom: 50px;
}

.faq-item {
    border-bottom: 1px solid #f1f1f1;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    cursor: pointer;
    transition: color 0.3s;
}

.faq-question:hover {
    color: #e74c3c;
}

.faq-question h3 {
    font-size: 18px;
    color: #333;
}

.faq-toggle {
    font-size: 24px;
    color: #666;
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 20px;
}

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

.faq-answer p,
.faq-answer ol,
.faq-answer ul {
    color: #666;
    margin-bottom: 10px;
}

.faq-answer ol,
.faq-answer ul {
    padding-left: 20px;
}

.contact-support {
    text-align: center;
    margin-top: 50px;
}

.contact-support h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.contact-support p {
    color: #666;
    margin-bottom: 30px;
}

.support-methods {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.support-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.support-method:hover {
    background-color: #e9ecef;
    transform: translateY(-2px);
}

.support-icon {
    width: 60px;
    height: 60px;
    background-color: #e74c3c;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 12px;
}

/* 底部样式 */
footer {
    background-color: #333;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo h2 {
    font-size: 28px;
    color: #fff;
    margin-bottom: 10px;
}

.footer-logo p {
    color: #aaa;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

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

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

.footer-contact p {
    color: #aaa;
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #aaa;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .features {
        flex-direction: column;
    }
    
    .download-methods {
        flex-direction: column;
    }
    
    .step-item {
        flex-direction: column;
    }
    
    .menu {
        display: none;
    }
    
    .hero-content h2 {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}