/* 重置样式和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* 通用按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    line-height: 1.4;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #374151;
    border: 2px solid #d1d5db;
}

.btn-outline:hover {
    background: #374151;
    color: white;
    border-color: #374151;
}

.btn-premium {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: white;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn-premium:hover {
    background: linear-gradient(135deg, #6d28d9, #9333ea);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.nav-logo h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1f2937;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu li a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu li a:hover {
    color: #2563eb;
}

.nav-menu li a::after {
    content: "";
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    transition: width 0.3s ease;
}

.nav-menu li a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #374151;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主页横幅 */
.hero {
    min-height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 80px 20px 60px;
    position: relative;
    overflow: hidden;
    width: 100%;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="%23e2e8f0"/><circle cx="80" cy="40" r="1" fill="%23cbd5e1"/><circle cx="40" cy="80" r="1" fill="%23e2e8f0"/></svg>')
        repeat;
    opacity: 0.5;
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 24px;
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 16px;
}

.hero-description {
    font-size: 18px;
    color: #6b7280;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.data-visualization {
    width: 300px;
    height: 300px;
    position: relative;
}

.data-node {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    position: absolute;
    animation: pulse 2s infinite;
}

.data-node:nth-child(1) {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0s;
}

.data-node:nth-child(2) {
    bottom: 50px;
    left: 20px;
    animation-delay: 0.7s;
}

.data-node:nth-child(3) {
    bottom: 50px;
    right: 20px;
    animation-delay: 1.4s;
}

.data-connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
    animation: flow 3s infinite;
}

.data-connection:nth-child(4) {
    top: 60px;
    left: 25%;
    width: 120px;
    transform: rotate(45deg);
}

.data-connection:nth-child(5) {
    top: 60px;
    right: 25%;
    width: 120px;
    transform: rotate(-45deg);
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes flow {
    0% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0.3;
    }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 800px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.stat-item h3 {
    font-size: 32px;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 8px;
}

.stat-item p {
    color: #6b7280;
    font-weight: 500;
}

/* 通用节标题 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* 发展趋势与优势 */
.trends-advantages {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

/* 发展趋势 */
.trends-section {
    margin-bottom: 80px;
}

.trend-subtitle {
    font-size: 20px;
    color: #2563eb;
    font-weight: 600;
    margin-top: 8px;
}

.trends-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.trend-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.trend-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: all 0.3s ease;
}

.trend-card.policy::before {
    background: linear-gradient(90deg, #10b981, #059669);
}

.trend-card.enterprise::before {
    background: linear-gradient(90deg, #2563eb, #1d4ed8);
}

.trend-card.application::before {
    background: linear-gradient(90deg, #7c3aed, #6d28d9);
}

.trend-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.trend-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    position: relative;
}

.trend-card.policy .trend-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.trend-card.enterprise .trend-icon {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.trend-card.application .trend-icon {
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
}

.trend-icon i {
    font-size: 36px;
    color: white;
}

.trend-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
}

.trend-card p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: left;
}

.trend-highlight {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: white;
    position: relative;
}

.trend-card.policy .trend-highlight {
    background: linear-gradient(135deg, #10b981, #059669);
}

.trend-card.enterprise .trend-highlight {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.trend-card.application .trend-highlight {
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
}

/* 平台优势 */
.platform-advantages {
    margin-bottom: 80px;
}

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

.advantage-card-new {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card-new::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.advantage-card-new.data-advantage::before {
    background: linear-gradient(90deg, #f59e0b, #f97316);
}

.advantage-card-new.tech-advantage::before {
    background: linear-gradient(90deg, #2563eb, #1d4ed8);
}

.advantage-card-new.product-advantage::before {
    background: linear-gradient(90deg, #7c3aed, #6d28d9);
}

.advantage-card-new:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.advantage-card-new.data-advantage .advantage-icon {
    background: linear-gradient(135deg, #f59e0b, #f97316);
}

.advantage-card-new.tech-advantage .advantage-icon {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.advantage-card-new.product-advantage .advantage-icon {
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
}

.advantage-icon i {
    font-size: 32px;
    color: white;
}

.advantage-card-new h3 {
    font-size: 22px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
}

.advantage-card-new p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 20px;
}

.advantage-features {
    list-style: none;
    padding: 0;
}

.advantage-features li {
    padding: 8px 0;
    color: #374151;
    position: relative;
    padding-left: 24px;
    font-size: 14px;
}

.advantage-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
    font-size: 16px;
}

/* 成本优势对比 */
.cost-comparison {
    margin-top: 40px;
}

.comparison-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
    margin-bottom: 40px;
}

.comparison-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.comparison-card.our-solution {
    border-color: #10b981;
    background: linear-gradient(135deg, #f0fdf4, #ffffff);
}

.comparison-card.self-build {
    border-color: #ef4444;
    background: linear-gradient(135deg, #fef2f2, #ffffff);
}

.comparison-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.comparison-card.selected {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.comparison-card.our-solution.selected {
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.3);
}

.comparison-card.self-build.selected {
    box-shadow: 0 20px 40px rgba(239, 68, 68, 0.3);
}

.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.comparison-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
    display: flex;
    align-items: center;
    gap: 10px;
}

.comparison-header i {
    font-size: 24px;
}

.our-solution .comparison-header i {
    color: #10b981;
}

.self-build .comparison-header i {
    color: #ef4444;
}

.cost-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.cost-badge.recommended {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.cost-badge.expensive {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.cost-items {
    margin-bottom: 24px;
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f3f4f6;
}

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

.cost-label {
    font-weight: 600;
    color: #374151;
}

.cost-value {
    color: #6b7280;
    text-align: right;
    max-width: 60%;
}

.zero-cost .cost-value {
    color: #10b981;
    font-weight: 600;
    font-size: 18px;
}

.high-cost .cost-value {
    color: #ef4444;
    font-weight: 500;
}

.solution-benefits,
.solution-drawbacks {
    space-y: 12px;
}

.benefit-item,
.drawback-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}

.benefit-item i {
    color: #10b981;
    font-size: 16px;
}

.drawback-item i {
    color: #ef4444;
    font-size: 16px;
}

.benefit-item.highlight {
    background: #f0fdf4;
    border-radius: 8px;
    padding: 12px;
    border: 1px solid #bbf7d0;
}

.vs-divider {
    display: flex;
    justify-content: center;
    align-items: center;
}

.vs-circle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.comparison-conclusion {
    text-align: center;
}

.conclusion-card {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    max-width: 600px;
    margin: 0 auto;
}

.conclusion-card h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.conclusion-card i {
    color: #fbbf24;
}

.conclusion-card p {
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.95;
}

/* 商业合作方案 */
.solutions {
    padding: 100px 0;
    background: white;
}

.tech-advantages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 80px;
}

.advantage-card {
    padding: 40px;
    background: #f8fafc;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.advantage-card i {
    font-size: 48px;
    color: #2563eb;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
}

.advantage-card ul {
    list-style: none;
}

.advantage-card li {
    padding: 8px 0;
    color: #6b7280;
    position: relative;
    padding-left: 24px;
}

.advantage-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* 定价卡片 */
.pricing-section {
    margin-top: 80px;
}

.pricing-section h3 {
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    color: #1f2937;
    margin-bottom: 40px;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
    align-items: start;
}

.pricing-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 30px;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

/* 为标准版本（非自定义版）设置最小高度和更好的间距 */
.pricing-card:not(.premium) {
    min-height: 500px;
}

.pricing-card:not(.premium) .feature-group {
    margin-bottom: 24px;
}

.pricing-card:not(.premium) .feature-item {
    padding: 10px 0;
}

/* 自定义开发版保持灵活高度 */
.pricing-card.premium {
    min-height: auto;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border-color: #2563eb;
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
    position: relative;
    z-index: 1;
}

.pricing-card.premium {
    border-color: #7c3aed;
    background: linear-gradient(135deg, #f3e8ff, #ffffff);
    position: relative;
    overflow: hidden;
}

.pricing-card.premium::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #7c3aed, #a855f7);
}

.pricing-card.premium:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(124, 58, 237, 0.25);
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

.pricing-header h4 {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 10px;
}

.price {
    font-size: 32px;
    font-weight: 700;
    color: #2563eb;
}

.badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: linear-gradient(135deg, #f59e0b, #f97316);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-premium {
    position: absolute;
    top: -10px;
    right: -10px;
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

.pricing-features {
    margin-bottom: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 标准版本内容更好分布 */
.pricing-card:not(.premium) .pricing-features {
    justify-content: space-between;
    min-height: 350px;
}

/* 自定义版本保持默认布局 */
.pricing-card.premium .pricing-features {
    justify-content: flex-start;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 确保premium卡片按钮位于底部 */
.pricing-card.premium {
    display: flex;
    flex-direction: column;
}

.pricing-card.premium .pricing-features {
    flex: 1;
}

.feature-group {
    margin-bottom: 20px;
    flex-shrink: 0;
}

.feature-group:last-child {
    margin-bottom: 0;
}

/* 标准版本的最后一个元素自动推到底部 */
.pricing-card:not(.premium) .feature-group:last-child {
    margin-top: auto;
}

/* 确保按钮位于卡片底部 */
.pricing-card .btn {
    margin-top: auto;
    flex-shrink: 0;
    align-self: stretch;
}

.feature-group h5 {
    font-size: 16px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid #e5e7eb;
}

.feature-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    color: #6b7280;
}

.feature-item i.fa-check {
    color: #10b981;
}

.feature-item i.fa-times {
    color: #ef4444;
}

/* 自定义开发版技术详情 */
.tech-details {
    space-y: 12px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    padding: 8px 0;
    border-bottom: 1px solid rgba(124, 58, 237, 0.1);
}

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

.tech-item strong {
    color: #7c3aed;
    font-size: 14px;
    margin-bottom: 4px;
}

.tech-item span {
    color: #6b7280;
    font-size: 13px;
    line-height: 1.4;
}

.pricing-card.premium .tech-item strong {
    color: #6d28d9;
}

/* API接口产品 */
.api-section {
    padding: 100px 0;
    background: #f8fafc;
}

.api-section h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    color: #1f2937;
    margin-bottom: 60px;
}

/* API表格样式 - Div布局 */
.api-table-container {
    margin-bottom: 80px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    background: white;
    overflow: hidden;
}

/* 粘性头部 */
.api-table-header {
    display: grid;
    grid-template-columns: 30% 23.33% 23.33% 23.33%;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    position: sticky;
    z-index: 999;
}

.api-header-item {
    padding: 24px 20px;
    text-align: center;
    font-weight: 600;
    font-size: 18px;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

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

.api-header-item.api-category-col {
    text-align: left;
    align-items: flex-start;
}

.api-header-item.version-col.basic {
    background: linear-gradient(135deg, #059669, #10b981);
}

.api-header-item.version-col.enhanced {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
}

.api-header-item.version-col.flagship {
    background: linear-gradient(135deg, #f59e0b, #f97316);
}

.version-price {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 400;
    margin-top: 4px;
}

/* 表格主体 */
.api-table-body {
    background: white;
}

.api-category-section {
    border-bottom: 1px solid #e5e7eb;
}

.api-category-section:last-child {
    border-bottom: none;
}

.api-row {
    display: grid;
    grid-template-columns: 30% 23.33% 23.33% 23.33%;
    border-bottom: 1px solid #f3f4f6;
    transition: background-color 0.2s ease;
}

.api-row:hover {
    background-color: #f8fafc;
}

.api-row.category-header {
    background: #f8fafc;
    border-top: 2px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

.api-row.category-header:hover {
    background: #f1f5f9;
}

.api-cell {
    padding: 16px 20px;
    text-align: center;
    font-size: 16px;
    color: #374151;
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid #f3f4f6;
}

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

.api-cell:first-child {
    text-align: left;
    justify-content: flex-start;
    font-weight: 500;
}

.category-name {
    font-weight: 600;
    color: #1f2937;
    font-size: 18px;
    text-align: left;
    justify-content: flex-start;
}

.category-name i {
    color: #2563eb;
    margin-right: 8px;
}

.api-status {
    color: #10b981;
    font-weight: 700;
    font-size: 20px;
}

/* 风险报告价格表 - Div布局 */
.pricing-reports {
    margin-top: 60px;
}

.pricing-reports h3 {
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    color: #1f2937;
    margin-bottom: 40px;
}

.reports-table-container {
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    background: white;
    overflow: hidden;
}

/* 粘性头部 */
.reports-table-header {
    display: grid;
    grid-template-columns: 40% 20% 20% 20%;
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    color: white;
    position: sticky;
    z-index: 999;
}

.report-header-item {
    padding: 24px 20px;
    text-align: center;
    font-weight: 600;
    font-size: 18px;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

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

.report-header-item.report-name-col {
    text-align: left;
    align-items: flex-start;
}

.report-header-item.price-col.basic {
    background: linear-gradient(135deg, #059669, #10b981);
}

.report-header-item.price-col.enhanced {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
}

.report-header-item.price-col.flagship {
    background: linear-gradient(135deg, #f59e0b, #f97316);
}

/* 表格主体 */
.reports-table-body {
    background: white;
}

.report-row {
    display: grid;
    grid-template-columns: 40% 20% 20% 20%;
    border-bottom: 1px solid #f3f4f6;
    transition: background-color 0.2s ease;
}

.report-row:hover {
    background-color: #f8fafc;
}

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

.report-cell {
    padding: 20px;
    text-align: center;
    font-size: 16px;
    color: #374151;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-right: 1px solid #f3f4f6;
}

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

.report-cell:first-child {
    text-align: left;
    align-items: flex-start;
}

.report-name {
    text-align: left;
    font-weight: 500;
    line-height: 1.5;
    font-size: 17px;
}

.report-desc {
    font-size: 14px;
    color: #6b7280;
    font-weight: 400;
    margin-top: 6px;
}

.price-value {
    text-align: center;
    font-weight: 700;
    font-size: 20px;
    color: #2563eb;
}

/* 价格说明样式 */
.pricing-note {
    margin-top: 20px;
    padding: 16px 20px;
    background: #ffffff;
    border-radius: 8px;
    border-left: 4px solid #2563eb;
    text-align: center;
}

.pricing-note p {
    margin: 0;
    color: #374151;
    font-size: 16px;
    line-height: 1.5;
}

.pricing-note strong {
    color: #2563eb;
    font-weight: 600;
}

/* 商业模式与合作收益 */
.cooperation {
    padding: 100px 0;
    background: white;
}

.revenue-models {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.revenue-card {
    padding: 40px;
    background: #f8fafc;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    text-align: center;
    transition: all 0.3s ease;
}

.revenue-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.revenue-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.revenue-icon i {
    font-size: 36px;
    color: white;
}

.revenue-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
}

.revenue-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* 合作服务流程 */
.process-section {
    margin-top: 80px;
    padding: 60px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 24px;
}

.process-section h3 {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    color: #1f2937;
    margin-bottom: 60px;
}

.process-flow {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    gap: 20px;
}

.process-step {
    text-align: center;
    flex: 1;
    max-width: 240px;
}

/* 圆形步骤样式 */
.step-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    position: relative;
    border: 4px dashed;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.step-circle:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.step-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    padding: 10px;
    text-align: center;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 不同步骤的颜色主题 */
.step-1 {
    background: linear-gradient(135deg, #f97316, #ea580c);
    border-color: #fb923c;
}

.step-2 {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-color: #60a5fa;
}

.step-3 {
    background: linear-gradient(135deg, #e11d48, #be185d);
    border-color: #f472b6;
}

.step-4 {
    background: linear-gradient(135deg, #eab308, #ca8a04);
    border-color: #fbbf24;
}

/* 步骤内容 */
.step-content {
    padding: 0 10px;
}

.step-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
}

.step-content p {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 8px;
}

.step-options {
    margin-top: 12px;
}

.step-options p {
    font-size: 13px;
    margin-bottom: 6px;
    color: #4b5563;
}

.step-options strong {
    color: #2563eb;
}

/* 连接箭头 */
.process-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 60px;
    flex: 0 0 auto;
}

.process-arrow i {
    font-size: 28px;
    color: #9ca3af;
    background: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.process-arrow i:hover {
    color: #2563eb;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

/* 为什么选择天远 */
.why-choose {
    padding: 100px 0;
    background: #f8fafc;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.advantage-section {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.advantage-section h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.advantage-section i {
    color: #2563eb;
}

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

.advantage-section li {
    padding: 10px 0;
    color: #6b7280;
    position: relative;
    padding-left: 24px;
}

.advantage-section li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
    font-size: 20px;
}

/* 实践案例 */
.cases {
    padding: 100px 0;
    background: white;
}

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

.case-card {
    background: #f8fafc;
    border-radius: 16px;
    padding: 30px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.case-card.featured {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-color: #2563eb;
}

.case-image {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.case-image i {
    font-size: 36px;
    color: white;
}

.case-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
}

.case-content p {
    color: #6b7280;
    margin-bottom: 16px;
    line-height: 1.6;
}

.case-stats {
    display: flex;
    gap: 12px;
}

.stat {
    background: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    color: #2563eb;
    font-weight: 500;
    border: 1px solid #e2e8f0;
}

/* 战略合作招募 */
.partnership {
    padding: 100px 0;
    background: #f8fafc;
}

/* 合作伙伴表格样式 */
.partnership-table-container {
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    background: white;
    overflow: hidden;
    margin-top: 40px;
}

/* 表格头部 */
.partnership-table-header {
    display: grid;
    grid-template-columns: 25% 25% 25% 25%;
    background: linear-gradient(135deg, #1f2937, #374151);
    color: white;
}

.partnership-header-item {
    padding: 24px 20px;
    text-align: center;
    font-weight: 600;
    font-size: 18px;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* 表格主体 */
.partnership-table-body {
    background: white;
}

.partnership-row {
    display: grid;
    grid-template-columns: 25% 25% 25% 25%;
    border-bottom: 1px solid #e5e7eb;
    transition: background-color 0.2s ease;
}

.partnership-row:hover {
    background-color: #f8fafc;
}

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

.partnership-cell {
    padding: 20px;
    text-align: center;
    font-size: 16px;
    color: #374151;
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid #f3f4f6;
    line-height: 1.5;
}

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

.partnership-cell.partner-type {
    font-weight: 600;
    color: #1f2937;
    flex-direction: column;
    gap: 8px;
}

.partnership-cell.partner-type i {
    color: #2563eb;
    font-size: 24px;
}

.partnership-cell.partner-type span {
    font-size: 16px;
}

.partnership-cell.resource,
.partnership-cell.support,
.partnership-cell.revenue {
    text-align: center;
    font-weight: 500;
}

.partnership-cell.revenue {
    color: #059669;
    font-weight: 600;
}

/* 加入天远生态 */
.ecosystem {
    padding: 100px 0;
    background: white;
}

.advantages-list {
    max-width: 800px;
    margin: 0 auto;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 30px;
    background: #f8fafc;
    border-radius: 16px;
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.advantage-item i {
    font-size: 32px;
    color: #10b981;
    margin-top: 4px;
}

.advantage-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
}

.advantage-item p {
    color: #6b7280;
    line-height: 1.6;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.contact-item i {
    font-size: 32px;
    color: #2563eb;
    margin-top: 4px;
}

.contact-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
}

.contact-item p {
    color: #6b7280;
}

.contact-item a {
    color: #2563eb;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 24px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

/* 表单合作类型样式 */
.form-group.cooperation-type {
    margin-bottom: 24px;
}

.form-group.cooperation-type > label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 12px;
    font-size: 16px;
}

.radio-group {
    display: flex;
    gap: 24px;
}

.radio-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 16px;
    color: #374151;
    font-weight: 500;
    margin-bottom: 0 !important;
    position: relative;
    user-select: none;
}

.radio-option input[type="radio"] {
    display: none !important;
    opacity: 0;
    position: absolute;
    pointer-events: none;
}

.radio-custom {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #d1d5db;
    border-radius: 50%;
    margin-right: 10px;
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
    background: white;
}

.radio-option input[type="radio"]:checked + .radio-custom {
    border-color: #2563eb !important;
    background-color: #2563eb !important;
}

.radio-option input[type="radio"]:checked + .radio-custom::after {
    content: "" !important;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: white;
    border-radius: 50%;
}

.radio-option:hover .radio-custom {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* 额外的样式重置，确保单选按钮正确显示 */
.contact-form .radio-option {
    font-family: inherit !important;
}

.contact-form .radio-option::before,
.contact-form .radio-option::after {
    display: none !important;
    content: none !important;
}

.contact-form .radio-custom {
    box-sizing: border-box !important;
    vertical-align: middle !important;
}

.contact-form .radio-custom::before {
    display: none !important;
    content: none !important;
}

/* 确保Font Awesome图标不会干扰 */
.radio-option i,
.radio-custom i {
    display: none !important;
}

/* 防止其他样式干扰 */
.form-group.cooperation-type .radio-option input {
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
}

/* 公司字段的过渡效果 */
#companyField {
    transition: all 0.3s ease;
    overflow: hidden;
}

#companyField.hidden {
    max-height: 0;
    margin-bottom: 0;
    opacity: 0;
}

/* 页脚 */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #d1d5db;
}

.footer-section p {
    color: #9ca3af;
    line-height: 1.6;
    margin-bottom: 8px;
}

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

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #2563eb;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid #374151;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .trends-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .advantages-grid-3 {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .comparison-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .vs-divider {
        order: 1;
    }

    .comparison-card.our-solution {
        order: 0;
    }

    .comparison-card.self-build {
        order: 2;
    }

    .tech-advantages {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        align-items: start;
    }

    .pricing-card:not(.premium) {
        min-height: 450px;
    }

    .pricing-card.featured {
        transform: none;
    }

    .api-table-container,
    .reports-table-container {
        margin: 0 -20px;
        border-radius: 0;
    }

    .api-header-item,
    .report-header-item {
        padding: 18px 12px;
        font-size: 16px;
    }

    .api-cell,
    .report-cell {
        padding: 14px 12px;
        font-size: 14px;
    }

    .version-price {
        font-size: 12px;
    }

    .api-status {
        font-size: 18px;
    }

    .price-value {
        font-size: 18px;
    }

    .revenue-models {
        grid-template-columns: 1fr;
    }

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

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

    /* 合作伙伴表格响应式 */
    .partnership-table-container {
        margin: 0 -20px;
        border-radius: 0;
    }

    .partnership-table-header {
        grid-template-columns: 30% 25% 25% 20%;
    }

    .partnership-row {
        grid-template-columns: 30% 25% 25% 20%;
    }

    .partnership-header-item,
    .partnership-cell {
        padding: 16px 12px;
        font-size: 14px;
    }

    .partnership-header-item {
        font-size: 16px;
    }

    .partnership-cell.partner-type i {
        font-size: 20px;
    }

    .partnership-cell.partner-type span {
        font-size: 14px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 平板端流程样式 */
    .process-section {
        margin-top: 60px;
        padding: 50px 30px;
    }

    .process-section h3 {
        font-size: 30px;
        margin-bottom: 50px;
    }

    .process-flow {
        max-width: 900px;
        gap: 15px;
    }

    .process-step {
        max-width: 200px;
    }

    .step-circle {
        width: 120px;
        height: 120px;
    }

    .step-title {
        font-size: 15px;
    }

    .step-content h4 {
        font-size: 17px;
    }

    .step-content p {
        font-size: 13px;
    }

    .step-options p {
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 20px;
        align-items: start;
    }

    .pricing-card:not(.premium) {
        min-height: auto;
    }

    .pricing-card:not(.premium) .pricing-features {
        min-height: auto;
        justify-content: flex-start;
    }

    .pricing-card.featured {
        transform: none;
    }
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        padding: 80px 20px 40px;
        min-height: auto;
    }

    .hero-text h1 {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-item h3 {
        font-size: 24px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .section-header p {
        font-size: 16px;
    }

    .trend-card,
    .advantage-card-new,
    .comparison-card {
        padding: 30px 20px;
    }

    .trend-icon,
    .advantage-icon {
        width: 60px;
        height: 60px;
    }

    .trend-icon i,
    .advantage-icon i {
        font-size: 28px;
    }

    .trend-card h3,
    .advantage-card-new h3 {
        font-size: 20px;
    }

    .comparison-header {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .comparison-header h3 {
        font-size: 18px;
    }

    .cost-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .cost-value {
        max-width: 100%;
        text-align: left;
    }

    .conclusion-card {
        padding: 24px;
    }

    .conclusion-card h4 {
        font-size: 18px;
        flex-direction: column;
        gap: 8px;
    }

    .process-section {
        margin-top: 60px;
        padding: 40px 20px;
    }

    .process-section h3 {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .process-flow {
        flex-direction: column;
        gap: 40px;
        align-items: center;
    }

    .process-step {
        max-width: 300px;
    }

    .step-circle {
        width: 120px;
        height: 120px;
    }

    .step-title {
        font-size: 14px;
    }

    .process-arrow {
        margin-top: 0;
        transform: rotate(90deg);
    }

    .process-arrow i {
        font-size: 24px;
        width: 40px;
        height: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .data-visualization {
        width: 200px;
        height: 200px;
    }

    .data-node {
        width: 40px;
        height: 40px;
    }

    /* 移动端表格样式 */
    .api-table-container,
    .reports-table-container {
        margin: 0 -16px;
        border-radius: 0;
    }

    .api-table-header {
        grid-template-columns: 40% 20% 20% 20%;
    }

    .reports-table-header {
        grid-template-columns: 45% 18.33% 18.33% 18.33%;
    }

    .api-row {
        grid-template-columns: 40% 20% 20% 20%;
    }

    .report-row {
        grid-template-columns: 45% 18.33% 18.33% 18.33%;
    }

    .api-header-item,
    .report-header-item {
        padding: 16px 8px;
        font-size: 14px;
    }

    .api-cell,
    .report-cell {
        padding: 12px 8px;
        font-size: 13px;
    }

    .version-price {
        font-size: 10px;
    }

    .category-name {
        font-size: 15px;
    }

    .report-name {
        font-size: 15px;
    }

    .report-desc {
        font-size: 12px;
    }

    .api-status {
        font-size: 16px;
    }

    .price-value {
        font-size: 16px;
    }

    /* 移动端价格说明 */
    .pricing-note {
        margin: 0 -16px 20px -16px;
        border-radius: 0;
        padding: 12px 16px;
        font-size: 14px;
    }

    .pricing-note p {
        font-size: 14px;
    }

    /* 移动端合作伙伴表格 */
    .partnership-table-container {
        margin: 0 -16px;
        border-radius: 0;
    }

    .partnership-table-header {
        grid-template-columns: 35% 25% 22% 18%;
    }

    .partnership-row {
        grid-template-columns: 35% 25% 22% 18%;
    }

    .partnership-header-item,
    .partnership-cell {
        padding: 14px 8px;
        font-size: 13px;
    }

    .partnership-header-item {
        font-size: 14px;
    }

    .partnership-cell.partner-type i {
        font-size: 18px;
    }

    .partnership-cell.partner-type span {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-text h1 {
        font-size: 24px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .trend-card,
    .advantage-card-new,
    .comparison-card,
    .advantage-card,
    .revenue-card,
    .case-card {
        padding: 24px 16px;
    }

    .trend-card h3,
    .advantage-card-new h3 {
        font-size: 18px;
    }

    .trend-highlight {
        font-size: 12px;
        padding: 6px 12px;
    }

    .comparison-header h3 {
        font-size: 16px;
    }

    .cost-badge {
        font-size: 10px;
        padding: 4px 8px;
    }

    .conclusion-card p {
        font-size: 14px;
    }

    .contact-form {
        padding: 24px;
    }

    /* 移动端表单样式调整 */
    .radio-group {
        flex-direction: column;
        gap: 16px;
    }

    .form-group.cooperation-type > label {
        font-size: 14px;
    }

    .radio-option {
        font-size: 14px;
    }

    .radio-custom {
        width: 18px !important;
        height: 18px !important;
        margin-right: 8px;
        border: 2px solid #d1d5db !important;
    }

    .radio-option input[type="radio"]:checked + .radio-custom::after {
        width: 6px !important;
        height: 6px !important;
    }

    /* 超小屏幕流程样式 */
    .process-section {
        margin-top: 40px;
        padding: 30px 16px;
    }

    .process-section h3 {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .process-flow {
        gap: 30px;
    }

    .process-step {
        max-width: 280px;
    }

    .step-circle {
        width: 100px;
        height: 100px;
    }

    .step-title {
        font-size: 13px;
        padding: 8px;
    }

    .step-content h4 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .step-content p {
        font-size: 13px;
    }

    .step-options p {
        font-size: 12px;
    }

    .process-arrow i {
        font-size: 20px;
        width: 35px;
        height: 35px;
    }

    /* 超小屏幕表格处理 */
    .api-table-header {
        grid-template-columns: 45% 18.33% 18.33% 18.33%;
    }

    .reports-table-header {
        grid-template-columns: 50% 16.67% 16.67% 16.67%;
    }

    .api-row {
        grid-template-columns: 45% 18.33% 18.33% 18.33%;
    }

    .report-row {
        grid-template-columns: 50% 16.67% 16.67% 16.67%;
    }

    .api-header-item,
    .report-header-item {
        padding: 12px 6px;
        font-size: 12px;
    }

    .api-cell,
    .report-cell {
        padding: 10px 6px;
        font-size: 12px;
    }

    .version-price {
        font-size: 9px;
    }

    .category-name {
        font-size: 13px;
    }

    .report-name {
        font-size: 13px;
    }

    .report-desc {
        font-size: 11px;
    }

    .api-status {
        font-size: 15px;
    }

    .price-value {
        font-size: 14px;
    }

    /* 超小屏幕合作伙伴表格 */
    .partnership-table-container {
        margin: 0 -16px;
        border-radius: 0;
    }

    .partnership-table-header {
        grid-template-columns: 40% 20% 20% 20%;
    }

    .partnership-row {
        grid-template-columns: 40% 20% 20% 20%;
    }

    .partnership-header-item,
    .partnership-cell {
        padding: 12px 6px;
        font-size: 12px;
    }

    .partnership-header-item {
        font-size: 13px;
    }

    .partnership-cell.partner-type i {
        font-size: 16px;
    }

    .partnership-cell.partner-type span {
        font-size: 12px;
    }
}

/* 滚动动画 */
@media (prefers-reduced-motion: no-preference) {
    .advantage-card,
    .revenue-card,
    .case-card,
    .advantage-item {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease forwards;
    }

    .advantage-card:nth-child(1) {
        animation-delay: 0.1s;
    }
    .advantage-card:nth-child(2) {
        animation-delay: 0.2s;
    }
    .revenue-card:nth-child(1) {
        animation-delay: 0.1s;
    }
    .revenue-card:nth-child(2) {
        animation-delay: 0.2s;
    }
    .revenue-card:nth-child(3) {
        animation-delay: 0.3s;
    }
    .revenue-card:nth-child(4) {
        animation-delay: 0.4s;
    }

    /* 新添加元素的动画 */
    .trend-highlight {
        animation: pulse 2s infinite;
    }

    .conclusion-card {
        animation: glow 2s ease-in-out infinite alternate;
    }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes glow {
    from {
        box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    }
    to {
        box-shadow: 0 15px 40px rgba(37, 99, 235, 0.5);
    }
}

/* 企业微信二维码样式 */
.wechat-qrcode {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #f4f8ff;
    border-radius: 12px;
    padding: 18px 20px;
    margin-top: 18px;
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.07);
    transition: box-shadow 0.3s;
}
.wechat-qrcode:hover {
    box-shadow: 0 4px 24px rgba(37, 99, 235, 0.13);
}
.wechat-qrcode-img {
    width: 120px;
    height: 120px;
    border-radius: 10px;
    background: #fff;
    border: 2px solid #2563eb22;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
}
.wechat-qrcode-text {
    flex: 1;
}
.wechat-qrcode-text h3 {
    font-size: 20px;
    color: #2563eb;
    margin-bottom: 6px;
}
.wechat-qrcode-text p {
    color: #333;
    font-size: 15px;
    line-height: 1.7;
}
@media (max-width: 600px) {
    .wechat-qrcode {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 14px 10px;
    }
    .wechat-qrcode-img {
        width: 100px;
        height: 100px;
    }
    .wechat-qrcode-text h3 {
        font-size: 17px;
    }
    .wechat-qrcode-text p {
        font-size: 14px;
    }
}

/* 简化版企业微信二维码样式 */
.wechat-qrcode-simple {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #f4f8ff;
    border-radius: 12px;
    padding: 24px 0 18px 0;
    margin-top: 18px;
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.07);
}
.wechat-qrcode-title {
    font-size: 20px;
    color: #2563eb;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: 2px;
}
.wechat-qrcode-img-simple {
    width: 220px;
    height: 220px;
    border-radius: 10px;
    background: #fff;
    border: 2px solid #2563eb22;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
}
@media (max-width: 600px) {
    .wechat-qrcode-simple {
        padding: 16px 0 12px 0;
    }
    .wechat-qrcode-title {
        font-size: 17px;
        margin-bottom: 10px;
    }
    .wechat-qrcode-img-simple {
        width: 160px;
        height: 160px;
    }
}

.contact-info-grid {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 40px;
    align-items: flex-start;
}
.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}
@media (max-width: 900px) {
    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .wechat-qrcode-simple {
        margin: 0 auto;
    }
}

/* 右侧悬浮企业微信按钮 */
.wechat-float-btn {
    position: fixed;
    right: 32px;
    bottom: 120px;
    z-index: 1200;
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    padding: 12px 20px 12px 12px;
    border-radius: 32px;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.13);
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}
.wechat-float-btn:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.18);
    transform: translateY(-2px) scale(1.04);
}
.wechat-float-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: #fff;
    object-fit: cover;
    border: 2px solid #fff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

/* 弹窗蒙层和内容 */
.wechat-popup {
    display: none;
    position: fixed;
    z-index: 1300;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s;
}
.wechat-popup.active {
    display: flex;
}
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
.wechat-popup-content {
    background: #fff;
    border-radius: 18px;
    padding: 36px 32px 28px 32px;
    box-shadow: 0 8px 40px rgba(37, 99, 235, 0.18);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 260px;
    max-width: 90vw;
}
.wechat-popup-title {
    font-size: 22px;
    color: #2563eb;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 2px;
}
.wechat-popup-img {
    width: 240px;
    height: 240px;
    border-radius: 12px;
    background: #f4f8ff;
    object-fit: cover;
    border: 2px solid #2563eb22;
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.1);
    margin-bottom: 10px;
}
.wechat-popup-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    color: #aaa;
    cursor: pointer;
    transition: color 0.2s;
    font-weight: bold;
    line-height: 1;
}
.wechat-popup-close:hover {
    color: #2563eb;
}
@media (max-width: 600px) {
    .wechat-float-btn {
        right: 12px;
        bottom: 80px;
        padding: 10px 14px 10px 10px;
        font-size: 14px;
    }
    .wechat-float-icon {
        width: 28px;
        height: 28px;
    }
    .wechat-popup-content {
        padding: 20px 8px 16px 8px;
        min-width: 0;
    }
    .wechat-popup-title {
        font-size: 17px;
        margin-bottom: 10px;
    }
    .wechat-popup-img {
        width: 150px;
        height: 150px;
    }
    .wechat-popup-close {
        top: 4px;
        right: 8px;
        font-size: 22px;
    }
}

.wechat-float-btn i.fas.fa-headset {
    font-size: 28px;
    color: #fff;
    background: #2563eb;
    border-radius: 50%;
    padding: 6px;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}
.wechat-popup-content.long {
    min-height: 400px;
    height: 420px;
    justify-content: center;
}
.wechat-popup-content.long .wechat-popup-img {
    margin-top: 10px;
    margin-bottom: 10px;
}
@media (max-width: 600px) {
    .wechat-popup-content.long {
        min-height: 260px;
        height: 300px;
        padding: 16px 4px 10px 4px;
    }
    .wechat-popup-content.long .wechat-popup-img {
        margin-top: 4px;
        margin-bottom: 4px;
    }
}

@media (max-width: 600px) {
    .wechat-float-btn {
        right: 10px;
        bottom: 18px;
        padding: 7px 12px 7px 7px;
        font-size: 13px;
        border-radius: 24px;
        gap: 6px;
    }
    .wechat-float-btn i.fas.fa-headset {
        font-size: 18px;
        padding: 3px;
    }
    .wechat-popup-content.long {
        min-height: 180px;
        height: auto;
        width: 90vw;
        max-width: 98vw;
        padding: 12px 2vw 10px 2vw;
    }
    .wechat-popup-content.long .wechat-popup-img {
        width: 90vw;
        height: auto;
        max-width: 320px;
        max-height: 72vw;
        margin: 8px auto;
        display: block;
    }
    .wechat-popup-title {
        font-size: 15px;
        margin-bottom: 8px;
    }
    .wechat-popup-close {
        top: 2px;
        right: 4px;
        font-size: 20px;
    }
}

/* 免费版集成系统模块样式 */
.free-integration-system {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.free-system-card {
    background: white;
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(229, 231, 235, 0.5);
    position: relative;
    overflow: hidden;
    max-width: 1400px;
    margin: 0 auto;
}

.free-system-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #7c3aed, #10b981);
}

.free-system-content {
    display: flex;
    flex-direction: row;
    gap: 80px;
    align-items: flex-start;
    margin-top: 50px;
}

.system-description {
    flex: 1;
    min-width: 0;
}

.system-demo {
    flex: 1;
    min-width: 0;
}

/* 左侧系统描述样式 */
.system-description {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.system-intro p {
    font-size: 18px;
    line-height: 1.7;
    color: #374151;
    margin-bottom: 20px;
}

.system-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: #374151;
}

.feature-item i {
    color: #10b981;
    font-size: 18px;
}

.system-info {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.system-info h4 {
    color: #1f2937;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #f3f4f6;
}

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

.info-label {
    color: #6b7280;
    font-size: 14px;
}

.info-value {
    color: #1f2937;
    font-weight: 500;
    font-family: 'Courier New', monospace;
}

/* 右侧演示界面样式 */
.system-demo {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.demo-sections-row {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.demo-section h4 {
    color: #1f2937;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
    text-align: center;
}

.demo-section {
    flex: 1;
    min-width: 0;
}

/* 图片演示样式 */
.demo-image {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.demo-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(229, 231, 235, 0.3);
    max-height: 400px;
    object-fit: contain;
}

/* 操作按钮 */
.demo-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.demo-actions .btn {
    min-width: 140px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .free-system-card {
        max-width: 1200px;
        padding: 50px;
    }
    
    .free-system-content {
        gap: 60px;
    }
}

@media (max-width: 1024px) {
    .free-system-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .demo-sections-row {
        flex-direction: column;
        gap: 20px;
    }
    
    .system-demo {
        order: -1;
    }
}

@media (max-width: 768px) {
    .free-integration-system {
        padding: 60px 0;
    }
    
    .free-system-content {
        gap: 30px;
    }
    
    .demo-image img {
        max-width: 90%;
    }
    
    .demo-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .demo-actions .btn {
        width: 100%;
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .free-system-card {
        padding: 30px 20px;
    }
    
    .demo-image img {
        max-width: 100%;
    }
}

/* 图片模态弹窗样式 */
.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.image-modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.image-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: #6b7280;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s ease;
}

.image-modal-close:hover {
    color: #1f2937;
}

.image-modal-title {
    margin: 0 0 20px 0;
    color: #1f2937;
    font-size: 20px;
    font-weight: 600;
}

.image-modal-img {
    max-width: 100%;
    max-height: 70vh;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* 可点击图片样式 */
.clickable-image {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.clickable-image:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .image-modal-content {
        padding: 20px;
        max-width: 95%;
    }
    
    .image-modal-title {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .image-modal-close {
        top: 10px;
        right: 15px;
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .image-modal-content {
        padding: 15px;
        max-width: 98%;
    }
    
    .image-modal-title {
        font-size: 16px;
        margin-bottom: 12px;
    }
    
    .image-modal-img {
        max-height: 60vh;
    }
}

/* 租赁版集成系统模块样式 */
.rental-integration-system {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.rental-system-card {
    background: white;
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(229, 231, 235, 0.5);
    position: relative;
    overflow: hidden;
    max-width: 1400px;
    margin: 0 auto;
}

.rental-system-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0891b2, #0e7490, #155e75);
}

.rental-system-content {
    display: flex;
    flex-direction: row;
    gap: 80px;
    align-items: flex-start;
    margin-top: 50px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .rental-system-card {
        max-width: 1200px;
        padding: 50px;
    }
    
    .rental-system-content {
        gap: 60px;
    }
}

@media (max-width: 1024px) {
    .rental-system-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .demo-sections-row {
        flex-direction: column;
        gap: 20px;
    }
    
    .system-demo {
        order: -1;
    }
}

@media (max-width: 768px) {
    .rental-integration-system {
        padding: 60px 0;
    }
    
    .rental-system-content {
        gap: 30px;
    }
    
    .demo-image img {
        max-width: 90%;
    }
    
    .demo-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .demo-actions .btn {
        width: 100%;
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .rental-system-card {
        padding: 30px 20px;
    }
    
    .demo-image img {
        max-width: 100%;
    }
}

/* grwopp-content 容器样式 - 确保与Tailwind兼容 */
.grwopp-content {
    position: relative;
    width: 100%;
    z-index: 1;
}

/* 确保grwopp-content内的container类使用自定义样式 */
.grwopp-content .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}