:root {
    --primary-color: #0066cc;
    --secondary-color: #004d99;
    --accent-color: #00264d;
    --text-color: #333333;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

/* 全局样式 */
body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.section-title {
    margin-bottom: 3rem;
    padding-top: 2rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.1rem;
    color: #666;
}

/* 导航栏样式 */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.navbar-brand:hover {
    color: var(--secondary-color);
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
}

/* Hero Section 样式 */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 8rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    margin-top: 2rem;
}

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

.hero-image img {
    max-width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
}

/* 特点部分样式 */
.features-section {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* 产品展示样式 */
.products-section {
    padding: 5rem 0;
}

.product-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    margin-bottom: 2rem;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.product-image {
    position: relative;
    overflow: hidden;
    padding-top: 100%;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.product-image thumb {
    position: absolute;
    top: 0;
    left: 0;
    width: 20%;
    height: 20%;
    object-fit: cover;
    transition: var(--transition);
}
.product-info {
    padding: 1.5rem;
    text-align: center;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

 

 

/* 页面标题样式 */
.page-header {
    padding: 6rem 0 1rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-align: left;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.9;
}
    

 

/* APP下载部分样式 */
.app-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.app-content {
    padding: 2rem 0;
}

.app-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.app-buttons {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
}

.btn-app {
    display: inline-block;
    transition: var(--transition);
}

.btn-app:hover {
    transform: translateY(-5px);
}

.btn-app img {
    height: 40px;
}

.app-qrcode {
    margin-top: 2rem;
    text-align: center;
}

.app-qrcode img {
    width: 150px;
    margin-bottom: 1rem;
}

/* 客户评价样式 */
.testimonials-section {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-info h4 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--accent-color);
}

.author-info p {
    margin: 0;
    font-size: 0.9rem;
    color: #666;
}

/* 按钮样式 */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.email-img-height {
    height: 20px;
}

/* 动画效果 */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* 响应式设计 */
@media (max-width: 991.98px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-section {
        padding: 6rem 0 3rem;
    }
    
    .app-content {
        text-align: center;
    }
    
    .app-buttons {
        justify-content: center;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .feature-card,
    .product-card,
    .solution-card {
        margin-bottom: 1.5rem;
    }
    
    .app-section {
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .hero-buttons .btn + .btn {
        margin-left: 0;
    }
}