/* 全局样式 */
:root {
    --primary-color: #6c5ce7;
    --primary-light: #a29bfe;
    --secondary-color: #ff7675;
    --dark-color: #2d3436;
    --light-color: #f5f6fa;
    --gray-color: #b2bec3;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --danger-color: #d63031;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #fff;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

img {
    max-width: 100%;
    height: auto;
}

/* 导航栏样式 */
header {
    background-color: var(--primary-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    color: white;
    font-weight: bold;
    font-size: 1.5rem;
}

.logo img {
    height: 30px;
    margin-right: 10px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.auth-buttons {
    display: flex;
    gap: 15px;
}

.login-btn {
    color: white;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.signup-btn {
    background-color: white;
    color: var(--primary-color);
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.signup-btn:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* 主内容区域 */
main {
    min-height: 100vh;
}

/* 英雄区域样式 */
.hero {
    background-color: var(--primary-color);
    color: white;
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero .highlight {
    color: var(--secondary-color);
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    margin-bottom: 50px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.cta-button.secondary {
    background-color: transparent;
    border: 2px solid white;
    margin-left: 15px;
}

.dashboard-preview {
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    overflow: hidden;
}

.dashboard-preview img {
    width: 100%;
    display: block;
}

/* 优势区域样式 */
.advantages {
    padding: 80px 20px;
    background-color: white;
}

.advantages h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
}

.advantage-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-item {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    text-align: center;
    padding: 30px 20px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.advantage-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.advantage-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.advantage-item p {
    color: var(--gray-color);
}

/* 信任区域样式 */
.trusted-by {
    padding: 60px 20px;
    text-align: center;
    background-color: #f8f9fa;
}

.trusted-by h3 {
    font-size: 1.2rem;
    color: var(--gray-color);
    margin-bottom: 30px;
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 50px;
    margin-bottom: 50px;
}

.partner-logos img {
    height: 30px;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.partner-logos img:hover {
    opacity: 1;
}

/* 用户评价样式 */
.testimonials {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial {
    flex: 1;
    min-width: 300px;
    max-width: 450px;
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: left;
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-style: italic;
    color: var(--dark-color);
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
}

.testimonial-author h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.testimonial-author p {
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* 功能区域样式 */
.features {
    padding: 80px 20px;
    text-align: center;
}

.features h2 {
    font-size: 2rem;
    margin-bottom: 50px;
    color: var(--dark-color);
}

.feature-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--gray-color);
    font-size: 1rem;
}

/* 工作流程样式 */
.how-it-works {
    padding: 80px 20px;
    background-color: #f8f9fa;
    text-align: center;
}

.how-it-works h2 {
    font-size: 2rem;
    margin-bottom: 50px;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    position: relative;
    padding: 20px;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.step p {
    color: var(--gray-color);
}

/* 价格区域样式 */
.pricing {
    padding: 80px 20px;
    background-color: #f8f9fa;
    text-align: center;
}

.pricing h2 {
    font-size: 2rem;
    margin-bottom: 50px;
    color: var(--dark-color);
}

.pricing-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto 40px;
}

.pricing-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.price span {
    font-size: 1rem;
    color: var(--gray-color);
    font-weight: normal;
}

.pricing-card ul {
    margin-bottom: 30px;
    text-align: left;
}

.pricing-card li {
    margin-bottom: 10px;
    color: var(--dark-color);
    position: relative;
    padding-left: 25px;
}

.pricing-card li:before {
    content: "✓";
    color: var(--success-color);
    position: absolute;
    left: 0;
}

.pricing-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.pricing-btn:hover {
    background-color: var(--primary-light);
}

.pricing-note {
    max-width: 600px;
    margin: 0 auto;
    color: var(--gray-color);
}

.more-pricing {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 500;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.more-pricing:hover {
    color: var(--primary-light);
}

/* FAQ样式 */
.faq {
    padding: 80px 20px;
    background-color: white;
    max-width: 1000px;
    margin: 0 auto;
}

.faq h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
}

.faq-items {
    margin-bottom: 30px;
}

.faq-item {
    margin-bottom: 30px;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 30px;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.faq-item p {
    color: var(--gray-color);
    line-height: 1.7;
}

.more-faq {
    display: block;
    text-align: center;
    color: var(--primary-color);
    font-weight: 500;
    transition: all 0.3s ease;
}

.more-faq:hover {
    color: var(--primary-light);
}

/* CTA区域样式 */
.cta {
    padding: 80px 20px;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 页脚样式 */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 20px 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    gap: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 30px;
    margin-right: 10px;
}

.footer-links {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.footer-column {
    min-width: 150px;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: white;
}

.footer-column a {
    display: block;
    margin-bottom: 10px;
    color: var(--gray-color);
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.social-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.qrcode {
    margin-top: 20px;
    text-align: center;
}

.qrcode img {
    width: 100px;
    height: 100px;
    margin-bottom: 10px;
}

.qrcode p {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.footer-bottom {
    max-width: 1200px;
    margin: 60px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--gray-color);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--gray-color);
    transition: all 0.3s ease;
}

.footer-bottom a:hover {
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .feature-card, .pricing-card, .testimonial, .advantage-item {
        min-width: 100%;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button.secondary {
        margin-left: 0;
        margin-top: 15px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 20px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section {
        padding: 60px 20px;
    }
    
    .feature-card, .pricing-card, .testimonial, .advantage-item {
        padding: 30px 20px;
    }
    
    .footer-links {
        gap: 30px;
    }
}