/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: #333333;
    line-height: 1.6;
    background-color: #F5F7FA;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #00A650, #2ECC71);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 18px;
}

.header h1 {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
}

.header-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.header-nav a {
    text-decoration: none;
    color: #333333;
    font-size: 14px;
    font-weight: 400;
    transition: color 0.3s ease;
}

.header-nav a:hover {
    color: #00A650;
}

.header-right .btn {
    background: linear-gradient(135deg, #00A650, #2ECC71);
    color: white;
    border: none;
    border-radius: 24px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 166, 80, 0.2);
}

.header-right .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 166, 80, 0.3);
}

/* Banner 主视觉区 */
.banner {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #00A650 0%, #1B8C4C 100%);
    color: white;
    text-align: center;
    margin-top: 70px;
}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.banner-subtitle {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 40px;
    opacity: 0.9;
}

.features-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.tag {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 400;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.certifications {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 50px;
}

.certification-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 100px;
}

.certification-card img {
    width: 60px;
    height: 60px;
    border-radius: 12px;
}

.certification-card span {
    font-size: 12px;
    text-align: center;
    font-weight: 400;
}

.stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    display: block;
}

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

.footer-text {
    font-size: 14px;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.8;
}

/* Section 标题 */
.section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333333;
}

/* 适用门店类型 */
.stores-section {
    padding: 80px 0;
    background-color: white;
}

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

.store-card {
    background: white;
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.store-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.store-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.store-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333333;
}

.store-description {
    font-size: 14px;
    color: #666666;
    line-height: 1.5;
}

/* 对比表格 */
.comparison-section {
    padding: 80px 0;
    background-color: #F5F7FA;
}

.comparison-table {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    margin: 0 auto;
    max-width: 1000px;
}

.table-header {
    display: flex;
    background: #00A650;
    color: white;
    font-weight: 600;
}

.header-cell {
    flex: 1;
    padding: 20px;
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.header-cell:last-child {
    border-right: none;
}

.highlight {
    background: #E8F5E9;
    color: #00A650;
    font-weight: 600;
}

.table-row {
    display: flex;
    border-bottom: 1px solid #eee;
}

.table-row:last-child {
    border-bottom: none;
}

.row-label {
    flex: 1;
    padding: 20px;
    background: #f8f9fa;
    font-weight: 500;
    color: #333333;
}

.row-cell {
    flex: 1;
    padding: 20px;
    text-align: center;
}

/* 核心功能 */
.features-section {
    padding: 80px 0;
    background-color: white;
}

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

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333333;
}

.feature-description {
    font-size: 14px;
    color: #666666;
    line-height: 1.5;
}

/* 售后服务 */
.support-section {
    padding: 80px 0;
    background-color: #F5F7FA;
}

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

.support-card {
    background: white;
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333333;
}

.card-description {
    font-size: 14px;
    color: #666666;
    line-height: 1.5;
}

/* 客户案例 */
.cases-section {
    padding: 80px 0;
    background-color: white;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.case-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.case-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #333333;
}

.case-type {
    font-size: 14px;
    color: #666666;
    margin-bottom: 20px;
}

.case-details p {
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.6;
}

.case-details strong {
    color: #00A650;
}

/* FAQ */
.faq-section {
    padding: 80px 0;
    background-color: #F5F7FA;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.faq-item {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.faq-question {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333333;
}

.faq-answer {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
}

/* CTA 区域 */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #00A650 0%, #2ECC71 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 30px;
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
    margin-bottom: 40px;
}

.cta-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.cta-footer {
    font-size: 14px;
    max-width: 800px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.footer-info {
    font-size: 12px;
    opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .stores-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .support-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .banner-title {
        font-size: 36px;
    }
    
    .banner-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .header .container {
        padding: 0 15px;
    }
    
    .header h1 {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0 10px;
    }
    
    .header-nav {
        display: none;
    }
    
    .banner {
        padding: 100px 0 60px;
    }
    
    .banner-title {
        font-size: 28px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .features-tags, .cta-tags {
        flex-direction: column;
        align-items: center;
    }
    
    .stats {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .stores-grid,
    .features-grid,
    .support-cards {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        font-size: 12px;
    }
    
    .header .container {
        height: 60px;
    }
    
    .logo {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .header h1 {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .banner {
        padding: 80px 0 40px;
    }
    
    .banner-title {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .btn-large {
        padding: 12px 30px;
        font-size: 16px;
    }
}