:root {
    --primary-color: #FF6B00;
    --secondary-color: #FFE4CC;
    --text-color: #333333;
    --background-color: #FFFFFF;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* 导航栏样式 */
.navbar {
    background-color: var(--background-color);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo {
    display: flex;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

/* 主要内容区域 */
.hero {
    background: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 4rem 5%;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* 二维码区域 */
.cta-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.qr-code {
    width: 200px;
    height: 200px;
    background-color: #fff;
    border: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.scan-text {
    font-size: 1.1rem;
    color: var(--primary-color);
}

/* 特点展示区域 */
.features {
    padding: 4rem 5%;
    background-color: var(--background-color);
    background: linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95)), url('../images/about-bg.jpg');
    background-size: cover;
    background-position: center;
}

.features h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    backdrop-filter: blur(10px);
}

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

.feature-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.value-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
}

.value-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 图片相关样式 */
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: #fff;
    padding: 2rem 5%;
}

.footer-content {
    max-width: 1600px;
    margin: 0 auto;
    text-align: center;
}

.footer-info {
    margin-bottom: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

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

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