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

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 */
.header {
    position: fixed;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #00b894;
}

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

.nav-links a {
    text-decoration: none;
    color: #2d3436;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #00b894;
}

/* Hero区域样式 */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1497032628192-86f99bcd76bc?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.3s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: white;
    color: #00b894;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: transform 0.3s ease;
    animation: fadeInUp 1s ease 0.6s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.cta-button:hover {
    transform: translateY(-3px);
}

/* 产品区域样式 */
.products {
    padding: 6rem 2rem;
    background-color: #f8f9fa;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2d3436;
}

.product-cards {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
}

.product-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.seek-bg {
    background-image: linear-gradient(rgba(0, 184, 148, 0.8), rgba(0, 206, 201, 0.8)), url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
}

.advice-bg {
    background-image: linear-gradient(rgba(0, 184, 148, 0.8), rgba(0, 206, 201, 0.8)), url('https://images.unsplash.com/photo-1557804506-669a67965ba0?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
}

.product-card h3 {
    padding: 1.5rem;
    font-size: 1.8rem;
    color: #2d3436;
    text-align: center;
}

.product-card p {
    padding: 0 1.5rem;
    text-align: center;
    color: #636e72;
}

.features {
    list-style: none;
    padding: 1.5rem;
}

.features li {
    padding: 0.5rem 0;
    color: #636e72;
    position: relative;
    padding-left: 1.5rem;
}

.features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00b894;
}

.learn-more {
    display: block;
    text-align: center;
    padding: 1rem;
    background: #00b894;
    color: white;
    text-decoration: none;
    margin: 1.5rem;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.learn-more:hover {
    background: #00a383;
}

/* 关于我们区域样式 */
.about {
    padding: 6rem 2rem;
    background: white;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #2d3436;
}

.about-content p {
    color: #636e72;
    font-size: 1.1rem;
}

/* 页脚样式 */
.footer {
    background: #2d3436;
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.footer-info p {
    margin-bottom: 0.5rem;
    color: #b2bec3;
}

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

.footer-links a {
    color: #b2bec3;
    text-decoration: none;
    display: block;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00b894;
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #b2bec3;
}

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

/* 用户评价区域样式 */
.testimonials {
    padding: 6rem 2rem;
    background-color: #f8f9fa;
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2d3436;
}

.testimonial-cards {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.testimonial-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    background-size: cover;
    background-position: center;
}

.testimonial-text {
    font-size: 1.1rem;
    color: #2d3436;
    margin-bottom: 1rem;
    font-style: italic;
}

.testimonial-author {
    color: #00b894;
    font-weight: 500;
}

/* 产品详情页样式 */
.product-hero {
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 2rem;
}

.seek-hero {
    background: linear-gradient(rgba(0, 184, 148, 0.8), rgba(0, 206, 201, 0.8)), url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
}

.advice-hero {
    background: linear-gradient(rgba(0, 184, 148, 0.8), rgba(0, 206, 201, 0.8)), url('https://images.unsplash.com/photo-1557804506-669a67965ba0?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
}

.product-details {
    padding: 6rem 2rem;
    background-color: white;
}

.details-container {
    max-width: 1200px;
    margin: 0 auto;
}

.details-container h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2d3436;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

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

.feature-item h3 {
    color: #00b894;
    margin-bottom: 1rem;
}

.product-benefits {
    padding: 6rem 2rem;
    background-color: #f8f9fa;
}

.benefits-container {
    max-width: 1200px;
    margin: 0 auto;
}

.benefits-container h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2d3436;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit-item {
    text-align: center;
    padding: 2rem;
}

.benefit-item h3 {
    color: #00b894;
    margin-bottom: 1rem;
}

.cta-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #00b894, #00cec9);
    color: white;
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
}

.cta-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-container p {
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        margin-top: 1rem;
        flex-direction: column;
        gap: 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

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

    .product-cards {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}