:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --background-color: #f8fafc;
    --text-color: #1e293b;
    --light-gray: #e2e8f0;
}

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

body {
    margin: 0;
    font-family: 'Poppins', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.navbar {
    background-color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo a:before {
    content: "⚡";
    font-size: 1.2em;
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    background-color: var(--primary-color);
    color: white;
}

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2.7rem 2rem;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
    text-align: left;
    max-width: 80vw;
    margin: 0 auto 1rem auto;
}

.hero p {
    font-size: 1.2rem;
    max-width: 80vw;
    margin: 0 auto;
    opacity: 0.9;
    animation: fadeInUp 1s ease;
    white-space: pre-line;
    text-align: left;
    line-height: 1.8;
}

.content {
    margin: 0 auto;
    padding: 2rem;
    animation: fadeIn 1s ease;
}

.footer {
    background-color: white;
    color: var(--text-color);
    text-align: center;
    padding: 2rem;
    margin-top: auto;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 产品页面样式 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

/* 支持页面样式 */
.contact-info {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-top: 2rem;
}

.contact-method {
    margin: 1rem 0;
    padding: 1rem;
    border-radius: 8px;
    background: var(--background-color);
}

/* 隐私政策页面样式 */
.privacy-content {
    width: 80vw;
    margin: 0 auto;
}

.privacy-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    margin: 1rem 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

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

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