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

/* 基础样式 */
body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.navbar-brand img {
    height: 40px;
}

.navbar-nav ul {
    display: flex;
    list-style: none;
}

.navbar-nav li {
    margin-left: 30px;
}

.navbar-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav a:hover {
    color: #1890ff;
}

.navbar-actions .btn {
    margin-left: 10px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #1890ff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #40a9ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(24, 144, 255, 0.3);
}

.btn-secondary {
    background-color: #fff;
    color: #1890ff;
    border: 1px solid #1890ff;
}

.btn-secondary:hover {
    background-color: #e6f7ff;
    transform: translateY(-2px);
}

/* 英雄区域样式 */
.hero {
    margin-top: 80px;
    padding: 80px 0;
    background-color: #fff;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    padding-right: 40px;
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #666;
}

.hero-actions {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 功能亮点样式 */
.features {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 产品介绍样式 */
.products {
    padding: 80px 0;
    background-color: #fff;
}

.products h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.products > p {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 60px;
    color: #666;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e8e8e8;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.product-card img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    padding: 30px;
    background-color: #f9f9f9;
}

.product-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 20px 20px 15px;
    color: #333;
    text-align: center;
}

.product-card p {
    margin: 0 20px 20px;
    color: #666;
    line-height: 1.6;
    text-align: center;
}

/* 下载区域样式 */
.download {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.download h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.download > p {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 60px;
    color: #666;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.download-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.download-card img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 20px;
}

.download-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
}

/* 支持区域样式 */
.support {
    padding: 80px 0;
    background-color: #fff;
}

.support h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.support-card {
    background-color: #f5f5f5;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.support-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.support-card p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

/* 关于我们样式 */
.about {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.about h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.about > p {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 60px;
    color: #666;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #1890ff;
    margin-bottom: 10px;
}

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

/* 页脚样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.footer-column ul {
    list-style: none;
}

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

.footer-column a {
    text-decoration: none;
    color: #ccc;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #1890ff;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 30px;
    text-align: center;
    color: #ccc;
}

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

    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }

    .hero-actions {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .navbar-nav {
        display: none;
    }

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

    .features h2,
    .products h2,
    .download h2,
    .support h2,
    .about h2 {
        font-size: 1.8rem;
    }

    .features-grid,
    .products-grid,
    .download-options,
    .support-grid,
    .about-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }
}

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

.feature-card,
.product-card,
.download-card,
.support-card {
    animation: fadeIn 0.6s ease-out;
}

.feature-card:nth-child(2) {
    animation-delay: 0.1s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(4) {
    animation-delay: 0.3s;
}

.feature-card:nth-child(5) {
    animation-delay: 0.4s;
}

.feature-card:nth-child(6) {
    animation-delay: 0.5s;
}

/* 滚动效果 */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}