:root {
    --primary-color: #2B5AED;
    --white-color: #FFFFFF;
    --accent-color: #FF6800;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    padding: 0.5rem 0;
    z-index: 1000;
    transition: background 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
}

/* Logo样式 */
.logo img {
    height: 50px;
    width: auto;
    filter: brightness(0) invert(1);
}

.nav-links {
    display: flex;
    align-items: center;
    height: 50px;
}

.nav-links a {
    color: var(--white-color);
    text-decoration: none;
    margin: 0 0.8rem;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: #FFE135;
}

/* 轮播图样式 */
.fullscreen-slider {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    background-size: cover;
    background-position: center;
    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
    }
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: absolute;
    top: 55%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white-color);
    z-index: 1;
    width: 100%;
    padding: 0 20px;
}

.slide-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
}

.slide-content p {
    font-size: 1.5rem;
    margin: 1.5rem 0 2.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.cta-btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    background-color: var(--accent-color);
    color: var(--white-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.cta-btn:hover {
    background-color: #e55e00;
}

/* 产品网格样式 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.product-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: scale(1.05);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
} 

/* 修改搜索框和按钮颜色 */
.search-box input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white-color);
    padding: 0.5rem;
    border-radius: 4px;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

/* 预约演示按钮样式调整 */
.demo-btn {
    background-color: transparent;
    border: 1px solid var(--white-color);
    color: var(--white-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.demo-btn:hover {
    background-color: var(--white-color);
    color: #000;
}