:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
    --section-spacing: 8rem;
}

section {
    padding: var(--section-spacing) 5%;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

.cta-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(37,99,235,0.2);
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.cta-button.secondary:hover {
    background: var(--primary-color);
    color: white;
}

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 5rem 8%;
    background: var(--light-bg);
    align-items: center;
}

.hero-content {
    max-width: 540px;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--text-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: #4b5563;
    margin-bottom: 2rem;
}

.hero-image {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 1rem;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.95);
    transition: transform 0.3s ease;
}

.hero-img:hover {
    transform: scale(1.02);
}

/* Hero 响应式调整 */
@media (max-width: 1200px) {
    .hero {
        padding: 4rem 5%;
    }

    .hero-content h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 3rem 5%;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 3rem 5%;
}

.feature-card {
    padding: 2rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
}

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

/* Pricing 部分样式优化 */
.pricing {
    padding: 6rem 5%;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: 1rem;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.pricing-card.popular {
    background: white;
    border: 2px solid var(--primary-color);
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(37,99,235,0.15);
}

.pricing-card.popular:hover {
    transform: translateY(-15px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
}

.price {
    margin: 2rem 0;
    text-align: center;
}

.price .amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1;
}

.price .period {
    color: #6b7280;
    font-size: 1rem;
}

.features-list {
    list-style: none;
    margin: 2rem 0;
}

.features-list li {
    padding: 0.75rem 0;
    color: #4b5563;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.features-list li::before {
    content: "✓";
    color: var(--primary-color);
    font-weight: bold;
}

.testimonials {
    padding: 8rem 5%;
    background: var(--light-bg);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: white;
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.testimonial-image-container {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
    box-shadow: 0 4px 6px rgba(37,99,235,0.2);
}

.testimonial-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.quote {
    font-style: italic;
    font-size: 1.125rem;
    color: #4b5563;
    margin: 1.5rem 0;
    line-height: 1.7;
}

.author {
    margin-top: 1.5rem;
}

.author strong {
    display: block;
    color: var(--text-color);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.author span {
    color: #6b7280;
    font-size: 0.875rem;
}

.contact {
    padding: 5rem 5%;
    background: var(--light-bg);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
}

.footer {
    background: var(--text-color);
    color: white;
    padding: 4rem 5% 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
}

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

@media (max-width: 768px) {
    .pricing-card.popular {
        transform: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
} 

/* Features 部分背景图片样式 */
.features {
    padding: 8rem 5%;
    position: relative;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    padding: 0 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    padding: 2.5rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0,0,0,0.1);
}

.features-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.features-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
}

.features-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255,255,255,0.9), rgba(255,255,255,0.95));
}

.feature-grid {
    position: relative;
    z-index: 1;
}

/* Testimonials 部分图片样式 */
.testimonial-image-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
}

.testimonial-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Contact 部分图片样式 */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-image-wrapper {
    position: relative;
    height: 100%;
    border-radius: 1rem;
    overflow: hidden;
}

.contact-decoration {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(37,99,235,0.1), rgba(37,99,235,0.2));
}

/* Feature icons 样式 */
.feature-card img {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Logo 样式优化 */
.logo img {
    height: 40px;
    width: auto;
}

.footer-logo {
    height: 32px;
    width: auto;
    margin-bottom: 1rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr;
    }

    .contact-image-wrapper {
        display: none; /* 在移动端隐藏装饰图片 */
    }

    .hero-image {
        margin-top: 2rem;
    }

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

@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 4rem 5%;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
} 

/* 数据统计部分样式 */
.stats {
    padding: 4rem 5%;
    background: var(--primary-color);
    color: white;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

/* 对比表格样式 */
.comparison {
    padding: 6rem 5%;
    background: var(--light-bg);
}

.section-subtitle {
    text-align: center;
    color: #6b7280;
    font-size: 1.125rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.comparison-table {
    max-width: 1000px;
    margin: 0 auto 4rem;
    overflow-x: auto;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.comparison-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.comparison-table th:first-child {
    border-top-left-radius: 1rem;
}

.comparison-table th:last-child {
    border-top-right-radius: 1rem;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table td:first-child {
    font-weight: 500;
}

.highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.comparison-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto 3rem;
}

.feature-highlight {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

.feature-highlight img {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-highlight h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.feature-highlight p {
    color: #6b7280;
    font-size: 0.875rem;
}

.cta-container {
    text-align: center;
    margin-top: 3rem;
}

.cta-note {
    margin-top: 1rem;
    color: #6b7280;
    font-size: 0.875rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .comparison-features {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        margin: 0 -5% 2rem;
        border-radius: 0;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 1rem;
    }
} 

/* Partners 部分样式优化 */
.partners-grid img {
    width: 150px;
    height: 50px;
    transition: opacity 0.3s ease;
}

.partners-grid img:hover {
    opacity: 1;
}

/* Feature icons 样式优化 */
.feature-card img {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.feature-card:hover img {
    transform: scale(1.1);
} 

/* Benefits 部分样式 */
.benefits {
    padding: 6rem 5%;
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.benefit-card {
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-card h3 {
    color: var(--text-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Benefits 响应式调整 */
@media (max-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .benefit-card {
        padding: 1.5rem;
    }
} 

/* FAQ 部分样式优化 */
.faq {
    padding: 6rem 5%;
    background: var(--light-bg);
}

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

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.faq-item h3 {
    color: var(--text-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.faq-item h3::before {
    content: "Q:";
    color: var(--primary-color);
    font-weight: 700;
}

.faq-item p {
    color: #6b7280;
    font-size: 1rem;
    line-height: 1.6;
    padding-left: 2rem;
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    
    .pricing-card.popular {
        transform: translateY(-5px);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card,
    .pricing-card.popular {
        transform: none;
    }
    
    .pricing-card:hover,
    .pricing-card.popular:hover {
        transform: translateY(-5px);
    }
}