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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #667eea;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #f0f0f0;
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background: #667eea;
    color: white;
}

.btn-white {
    background: white;
    color: #667eea;
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: 15px 40px;
    font-size: 18px;
}

.btn-block {
    width: 100%;
}

/* Hero区域 */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

/* 手机模型 */
.mockup-phone {
    width: 300px;
    height: 600px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    margin: 0 auto;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 25px;
    overflow: hidden;
}

.screen-content {
    padding: 20px;
    height: 100%;
}

.mock-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.mock-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.mock-info {
    flex: 1;
}

.mock-name {
    font-size: 18px;
    font-weight: bold;
    color: #333;
}

.mock-title {
    font-size: 14px;
    color: #666;
}

.mock-calendar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.mock-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
}

.mock-day small {
    font-size: 10px;
    margin-top: 5px;
}

.mock-day.available {
    background: #f0f9ff;
    color: #0ea5e9;
}

.mock-day.scarce {
    background: #fef2f2;
    color: #ef4444;
}

.mock-day.full {
    background: #f5f5f5;
    color: #999;
}

/* 通用section样式 */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 60px;
    color: #333;
}

/* 痛点区域 */
.pain-points {
    background: #f8f9fa;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.pain-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

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

.pain-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.pain-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.pain-card p {
    color: #666;
    font-size: 15px;
}

/* 功能特性 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border: 2px solid transparent;
    transition: all 0.3s;
}

.feature-card.featured {
    border-color: #667eea;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.feature-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.feature-desc {
    color: #666;
    margin-bottom: 20px;
    font-size: 15px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0;
    color: #555;
    font-size: 14px;
}

/* 工作流程 */
.how-it-works {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.how-it-works .section-title {
    color: white;
}

.steps {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
    flex: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: white;
    color: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.step p {
    font-size: 15px;
    opacity: 0.9;
}

.step-arrow {
    font-size: 48px;
    opacity: 0.5;
}

/* 产品优势 */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 30px;
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.advantage-item h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.advantage-item p {
    color: #666;
    font-size: 15px;
}

/* 应用场景 */
.use-cases {
    background: #f8f9fa;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.case-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.case-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #333;
}

.case-card p {
    color: #666;
    font-size: 15px;
}

/* 客户见证 */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

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

.testimonial-content p {
    color: #555;
    font-size: 15px;
    line-height: 1.8;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
}

.author-info {
    flex: 1;
}

.author-name {
    font-weight: bold;
    color: #333;
    margin-bottom: 3px;
}

.author-title {
    font-size: 13px;
    color: #999;
}

/* 价格方案 */
.pricing {
    background: #f8f9fa;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    position: relative;
    transition: all 0.3s;
}

.pricing-card.popular {
    border: 3px solid #667eea;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.price {
    font-size: 48px;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 30px;
}

.price span {
    font-size: 18px;
    color: #999;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.pricing-features li {
    padding: 10px 0;
    color: #555;
    font-size: 15px;
}

/* CTA区域 */
.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 80px 0;
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-note {
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.8;
}

/* 联系我们 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
    margin-top: 20px;
    color: #333;
}

.contact-info h3:first-child {
    margin-top: 0;
}

.contact-info p {
    color: #666;
    font-size: 16px;
}

.contact-info .phone {
    font-size: 28px;
    font-weight: bold;
    color: #667eea;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

/* 页脚 */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: white;
}

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

.social-icon {
    padding: 8px 15px;
    background: #333;
    border-radius: 8px;
    color: white;
    text-decoration: none;
    transition: background 0.3s;
}

.social-icon:hover {
    background: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .pain-grid,
    .feature-grid,
    .advantage-grid,
    .case-grid,
    .testimonial-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps {
        flex-direction: column;
        gap: 30px;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .pain-grid,
    .feature-grid,
    .advantage-grid,
    .case-grid,
    .testimonial-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}