/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: #333;
}

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

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: #333;
}

/* 主要内容样式 */
main {
    margin-top: 80px;
}

.hero {
    background-color: #f5f5f5;
    padding: 4rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 1rem;
}

.features {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.feature {
    text-align: center;
    padding: 2rem;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: white;
    padding: 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.footer-links a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #333;
}

/* 关于我们页面样式 */
.about-section {
    max-width: 1200px;
    margin: 120px auto 0;
    padding: 0 2rem;
}

.about-content {
    margin-top: 2rem;
}

.about-content h2 {
    margin: 2rem 0 1rem;
}

.about-content ul {
    list-style: none;
    padding-left: 1rem;
}

.about-content ul li {
    margin: 0.5rem 0;
}

/* 联系我们页面样式 */
.contact-section {
    max-width: 1200px;
    margin: 120px auto 0;
    padding: 0 2rem;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-details {
    padding: 2rem;
    background: #f5f5f5;
    border-radius: 5px;
}

.contact-form {
    padding: 2rem;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-radius: 5px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-group textarea {
    height: 150px;
}

.submit-button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    cursor: pointer;
}

.submit-button:hover {
    background-color: #0056b3;
}

/* 产品页面样式 */
.products {
    max-width: 1200px;
    margin: 120px auto 0;
    padding: 0 2rem;
}

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

.product {
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem;
    text-align: center;
}

.product img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}

.product h3 {
    margin: 1rem 0;
}

.price {
    font-weight: bold;
    color: #007bff;
    margin: 1rem 0;
}

.buy-button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
}

.buy-button:hover {
    background-color: #0056b3;
}

/* Services Page Styles */
.services {
    max-width: 1200px;
    margin: 120px auto 0;
    padding: 0 2rem;
}

.service-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
}

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

.service {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

.service-icon img {
    width: 100%;
    height: 100%;
}

.service h3 {
    color: #333;
    margin-bottom: 1rem;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    text-align: left;
}

.service-features li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li:before {
    content: "✓";
    color: #007bff;
    position: absolute;
    left: 0;
}

.price {
    font-size: 1.25rem;
    font-weight: bold;
    color: #007bff;
    margin: 1.5rem 0;
}

.buy-button, .contact-button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.contact-button {
    background-color: #28a745;
}

.buy-button:hover {
    background-color: #0056b3;
}

.contact-button:hover {
    background-color: #218838;
}

/* Pricing Info Section */
.pricing-info {
    margin-top: 4rem;
    padding: 3rem 0;
    background: #f8f9fa;
    border-radius: 10px;
}

.pricing-info h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

.pricing-features .feature {
    text-align: center;
    padding: 1.5rem;
}

.pricing-features h4 {
    color: #333;
    margin-bottom: 1rem;
}

.pricing-features p {
    color: #666;
    margin: 0.5rem 0;
}

/* Hero Features */
.hero-features {
    margin: 2rem 0;
}

.hero-features span {
    display: inline-block;
    margin: 0 1rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    font-size: 1.1rem;
}

/* Workflow Section */
.workflow {
    padding: 4rem 2rem;
    background: #f8f9fa;
}

.workflow h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.step {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.step-number {
    width: 40px;
    height: 40px;
    background: #007bff;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: bold;
}

/* Pricing Features List */
.pricing-features ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.pricing-features ul li {
    padding: 0.5rem 0;
    color: #666;
}

.pricing-features .price {
    font-size: 1.5rem;
    color: #007bff;
    font-weight: bold;
    margin-top: 1rem;
}

/* 政策页面样式 */
.policies-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.policy-section {
    margin-bottom: 4rem;
    padding-top: 2rem;
}

.policy-section h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.last-updated {
    color: #666;
    font-style: italic;
    margin-bottom: 2rem;
}

.policy-content {
    line-height: 1.6;
}

.policy-content h2 {
    font-size: 1.8rem;
    color: #444;
    margin: 2rem 0 1rem;
}

.policy-content p {
    margin-bottom: 1.5rem;
    color: #555;
}