/* 主页 Banner */
.banner-section {
    height: min(75vh, 800px);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-md) 0;
    position: relative;
    overflow: hidden;
}

/* 添加装饰元素 */
.banner-section::before,
.banner-section::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.banner-section::before {
    width: 300px;
    height: 300px;
    top: -100px;
    left: -50px;
}

.banner-section::after {
    width: 400px;
    height: 400px;
    bottom: -200px;
    right: -100px;
}

/* 确保内容在装饰层之上 */
.banner-content {
    position: relative;
    z-index: 2;
}

.banner-text {
    position: relative;
    z-index: 2;
}

.banner-images {
    position: relative;
    z-index: 2;
}

.banner-content {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    gap: var(--spacing-xl);
    height: 100%;
    max-height: 800px;
    padding: var(--spacing-lg) 0;
}

.banner-text {
    flex: 0 1 45%;
    padding-right: var(--spacing-xl);
    color: white;
    position: relative;
    z-index: 1;
    display: block;
}

.banner-title {
    font-size: 3rem;
    color: white;
    margin-bottom: var(--spacing-md);
}

.banner-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.banner-description p {
    margin-bottom: 1rem;
}

.banner-description p:last-child {
    margin-bottom: 0;
}

.banner-images {
    flex: 0 1 auto;
    position: relative;
    width: min(25vw, 260px);
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
    margin-left: auto;
    margin-right: var(--spacing-xl);
    align-self: center;
    z-index: 1;
}

.image-container {
    width: 100%;
    aspect-ratio: 9/16;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
}

/* 添加光晕效果 */
.banner-images::after {
    display: none;
}

.banner-images img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.5s ease;
    opacity: 0;
}

.banner-images img.active {
    opacity: 1;
}

/* 添加指示点样式 */
.image-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 0;
    margin: 0;
}

.image-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
    opacity: 0.5;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.image-dot.active {
    opacity: 1;
    transform: scale(1.2);
    background: white;
}

.image-dot:hover {
    opacity: 0.9;
    background: white;
}

.download-link {
    display: inline-flex;
    align-items: center;
    background-color: var(--accent);
    color: var(--secondary);
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    font-weight: 600;
    padding: 0.875rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.download-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    background-color: #f0cd7a;
}

/* 移动端文字模块 */
.banner-text-mobile {
    display: none;
    text-align: center;
    width: 100%;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--background-color);
}

.banner-text-mobile .banner-title {
    color: var(--text-primary);
    font-size: 2.2rem;
    margin-bottom: var(--spacing-md);
}

.banner-text-mobile .banner-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .banner-section {
        height: auto;
        min-height: min(90vh, 600px);
    }

    .banner-content {
        flex-direction: column;
        padding: var(--spacing-md) 0;
    }

    .banner-text {
        display: none;
    }

    .banner-text-mobile {
        display: block;
    }

    .banner-images {
        width: min(45vw, 260px);
        margin: 0 auto;
    }

    /* 根据屏幕宽度调整缩放比例 */
    @media (max-width: 480px) {
        .banner-images {
            width: min(55vw, 260px);
        }
    }

    @media (max-width: 380px) {
        .banner-images {
            width: min(65vw, 260px);
        }
    }
}

/* 大屏幕适配 */
@media (min-width: 1440px) {
    .banner-images {
        width: min(22vw, 260px);
    }
}

/* 超大屏幕适配 */
@media (min-width: 1920px) {
    .banner-images {
        width: min(20vw, 260px);
    }
}

/* 产品介绍部分 */
.product-section {
    min-height: 100vh;
    padding: var(--spacing-lg) 0;
    display: flex;
    align-items: center;
    background: var(--background-color);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.feature-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.feature-title {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .product-section {
        padding: var(--spacing-md) 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) 0;
    }
}