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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
}

.logo img {
    display: block;
    width: 24px;
    height: 24px;
    min-width: 24px;
    max-width: 24px;
    min-height: 24px;
    max-height: 24px;
    flex: 0 0 24px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #3498db;
    transition: width 0.3s ease;
}

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

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

/* 首页横幅样式 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    padding-top: 70px;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: #fff;
    color: #667eea;
}

.btn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 通用区块样式 */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* 关于我们样式 */
.about-section {
    background-color: #fff;
}

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

.about-text h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    border-radius: 15px;
    transition: transform 0.3s ease;
}

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

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 5px;
}

.stat-label {
    color: #666;
    font-size: 1rem;
}

/* 主要业务样式 */
.services-section {
    background-color: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.service-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 25px;
}

.service-icon i {
    font-size: 2rem;
    color: #fff;
}

.service-card h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.service-card p {
    color: #666;
    line-height: 1.7;
}

/* 联系我们样式 */
.contact-section {
    background-color: #fff;
}

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 600px;
    width: 100%;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background-color: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background-color: #f0f2f5;
    transform: translateX(5px);
}

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 5px;
}

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



/* APP页面样式 */
.app-section {
    background-color: #fff;
}

/* APP介绍样式 */
.app-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.app-intro-text h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

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

.app-download {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.download-tip {
    color: #999;
    font-size: 0.9rem;
}

.app-screenshot {
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-phone {
    width: 300px;
    height: auto;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.app-phone:hover {
    transform: translateY(-10px) rotateY(5deg);
}

/* 副标题样式 */
.section-subtitle {
    font-size: 1.5rem;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 40px;
}

/* 功能特点样式 */
.app-features {
    margin-bottom: 80px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-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;
}

.feature-icon i {
    font-size: 1.8rem;
    color: #fff;
}

.feature-item h4 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.feature-item p {
    color: #666;
    line-height: 1.7;
}

/* 服务保障样式 */
.app-services {
    margin-bottom: 80px;
    padding: 60px 0;
    background-color: #f8f9fa;
    border-radius: 20px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-item {
    text-align: center;
    padding: 30px;
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.service-item h4 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.service-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* APP截图展示样式 */
.app-gallery {
    margin-bottom: 80px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.gallery-img {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.gallery-img:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.gallery-caption {
    color: #666;
    font-size: 0.95rem;
}

/* 下载引导样式 */
.app-download-section {
    text-align: center;
    padding: 60px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    color: #fff;
}

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

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 30px;
    background-color: #fff;
    border-radius: 15px;
    text-decoration: none;
    color: #333;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.download-btn i {
    font-size: 2rem;
}

.download-btn.ios i {
    color: #000;
}

.download-btn.android i {
    color: #3ddc84;
}

.download-text {
    text-align: left;
}

.download-platform {
    display: block;
    font-size: 0.8rem;
    color: #999;
    margin-bottom: 5px;
}

.download-name {
    display: block;
    font-size: 1.1rem;
    color: #333;
    font-weight: 700;
}

/* 上线预告样式 */
.app-coming-soon {
    text-align: center;
    padding: 60px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    color: #fff;
    margin-bottom: 0;
}

.coming-soon-text {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* 小程序体验样式 */
.mini-program-section {
    margin-top: 40px;
}

.mini-program-section h4 {
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 30px;
    font-weight: 600;
}

.mini-program-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.mini-program-qrcode {
    background-color: #fff;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.mini-program-desc {
    text-align: left;
    max-width: 300px;
}

.mini-program-desc p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.mini-program-features {
    color: #fff;
    line-height: 2;
}

.mini-program-features i {
    color: #3ddc84;
    margin-right: 10px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .app-intro {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mini-program-content {
        flex-direction: column;
        text-align: center;
    }

    .mini-program-desc {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .app-download {
        flex-direction: column;
        align-items: flex-start;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .mini-program-content {
        gap: 30px;
    }

    .qrcode-img {
        width: 180px;
        height: 180px;
    }
}

/* APP页面横幅样式 */
.app-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 80px 0 60px;
    text-align: center;
}

.app-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.app-hero-content p {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* 页脚样式 */
.footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 30px 0;
    text-align: center;
}

.footer p {
    opacity: 0.8;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
    }

    .nav-links {
        margin-top: 15px;
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding-top: 120px;
        min-height: auto;
        padding-bottom: 80px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd6 0%, #6a4190 100%);
}