/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    padding-top: 80px; /* 为固定导航栏留出空间 */
}

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

/* 主横幅区域 */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-bg-gradient {
    display: none;
}

.hero-bg-pattern {
    display: none;
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    color: white;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 8px;
    color: #fff;
}

.hero-title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    color: #667eea;
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 255, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.stat-item {
    text-align: left;
    min-width: 120px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
    color: #f0f0f0;
}

/* 添加 hover 效果 */
.stat-item:hover .stat-number {
    transform: translateY(-4px);
    text-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

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

.hero-image-container {
    position: relative;
    max-width: 400px;
}

.hero-image {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image::before {
    content: '💻';
    font-size: 120px;
    opacity: 0.3;
}

.hero-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 107, 107, 0.95);
    backdrop-filter: blur(10px);
    color: white;
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 通用区域样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #2d3748;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 核心优势区域 */
.features-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.feature-icon-1 {
    background: #667eea;
}

.feature-icon-1::before {
    content: '⚙️';
    font-size: 40px;
}

.feature-icon-2 {
    background: #f5576c;
}

.feature-icon-2::before {
    content: '💰';
    font-size: 40px;
}

.feature-icon-3 {
    background: #4facfe;
}

.feature-icon-3::before {
    content: '⭐';
    font-size: 40px;
}

.feature-icon-4 {
    background: #43e97b;
}

.feature-icon-4::before {
    content: '⚡';
    font-size: 40px;
}

.feature-icon img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 16px;
}

.feature-description {
    color: #2d3748;
    line-height: 1.6;
}


/* 全球节点区域 */
.nodes-section {
    padding: 100px 0;
    background: #f7fafc;
}

.nodes-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.nodes-map {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.map-image {
    width: 100%;
    height: auto;
    display: block;
}

.map-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.node-point {
    position: absolute;
    cursor: pointer;
}

.node-dot {
    width: 12px;
    height: 12px;
    background: #667eea;
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.3);
}

.node-info {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 8px 12px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.node-point:hover .node-info {
    opacity: 1;
}

.node-name {
    display: block;
    font-weight: 600;
    color: #2d3748;
}

.node-status {
    display: block;
    color: #48bb78;
    font-size: 0.625rem;
}

.nodes-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.15);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

.stat-content {
    flex: 1;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 4px;
}

.stat-label {
    color: #2d3748;
    font-size: 0.875rem;
}

/* 应用场景区域 */
.scenarios-section {
    padding: 100px 0;
    background: white;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.scenario-card {
    background: white;
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.scenario-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.15);
    border-color: #667eea;
}

.scenario-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    position: relative;
}

.scenario-icon-1 {
    background: #667eea;
}

.scenario-icon-1::before {
    content: '🛒';
    font-size: 40px;
}

.scenario-icon-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.scenario-icon-2::before {
    content: '🎮';
    font-size: 40px;
}

.scenario-icon-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.scenario-icon-3::before {
    content: '💼';
    font-size: 40px;
}

.scenario-icon-4 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.scenario-icon-4::before {
    content: '💻';
    font-size: 40px;
}

.scenario-icon-5 {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.scenario-icon-5::before {
    content: '📊';
    font-size: 40px;
}

.scenario-icon-6 {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

.scenario-icon-6::before {
    content: '📹';
    font-size: 40px;
}

.scenario-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.scenario-icon-1 {
    background: #667eea;
}

.scenario-icon-1::before {
    content: '🛒';
    font-size: 32px;
}

.scenario-icon-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.scenario-icon-2::before {
    content: '🎮';
    font-size: 32px;
}

.scenario-icon-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.scenario-icon-3::before {
    content: '💼';
    font-size: 32px;
}

.scenario-icon-4 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.scenario-icon-4::before {
    content: '💻';
    font-size: 32px;
}

.scenario-icon-5 {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.scenario-icon-5::before {
    content: '📊';
    font-size: 32px;
}

.scenario-icon-6 {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

.scenario-icon-6::before {
    content: '📹';
    font-size: 32px;
}

.scenario-icon img {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}

.scenario-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 12px;
}

.scenario-description {
    color: #2d3748;
    line-height: 1.6;
    font-size: 0.875rem;
}


/* 资质认证区域 */
.certifications-section {
    padding: 100px 0;
    background: white;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
}

.certification-item {
    text-align: center;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
}

.certification-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.certification-item img {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
}

.certification-item span {
    display: block;
    color: #2d3748;
    font-size: 0.875rem;
    line-height: 1.4;
}

/* 新闻动态区域 */
.news-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.news-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    margin-bottom: 40px;
}

.header-content {
    flex: 1;
}

.header-action {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.news-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    position: relative;
    display: inline-block;
    margin-right: 12px;
}

.news-icon::before {
    content: '📢';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 18px;
}

.news-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    position: relative;
    display: inline-block;
    margin-right: 12px;
}

.news-icon::before {
    content: '📢';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 18px;
}

.news-title {
    font-size: 1rem;
    font-weight: 600;
    color: #2d3748;
}

.news-more {
    color: #667eea;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.news-more:hover {
    color: #764ba2;
}

.news-list {
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.news-item {
    padding: 24px;
    border-bottom: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

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

.news-item:hover {
    background: #f7fafc;
}

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

.news-time {
    color: #667eea;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
}

.title {
    color: #2d3748;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
}

.title:hover {
    color: #667eea;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding: 0 16px;
    }
    
    .hero-title-main {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .hero-title-sub {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 32px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-image {
        max-width: 280px;
        height: auto;
    }
    
    .hero-badge {
        top: 20px;
        right: 20px;
        padding: 8px 16px;
    }
    
    .badge-text {
        font-size: 0.875rem;
    }
    
    .nodes-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .news-section .section-header {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .section-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .features-grid,
    .scenarios-grid,
    .customers-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .feature-card {
        padding: 24px;
        text-align: center;
    }
    
    .feature-icon {
        width: 80px;
        height: 80px;
        margin: 0 auto 20px;
    }
    
    .feature-title {
        font-size: 1.25rem;
        margin-bottom: 12px;
    }
    
    .feature-description {
        font-size: 0.875rem;
        line-height: 1.6;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 16px;
    }
    
    
    .nodes-map {
        height: 300px;
    }
    
    .nodes-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .stat-card {
        padding: 20px;
        text-align: center;
    }
    
    .stat-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 16px;
    }
    
    .news-list {
        gap: 16px;
    }
    
    .news-item {
        padding: 16px;
    }
    
    .news-time {
        font-size: 0.75rem;
    }
    
    .title {
        font-size: 0.875rem;
        line-height: 1.4;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-container {
        padding: 0 12px;
        gap: 32px;
    }
    
    .hero-title-main {
        font-size: 2rem;
        line-height: 1.1;
    }
    
    .hero-title-sub {
        font-size: 1.125rem;
    }
    
    .hero-description {
        font-size: 0.875rem;
        line-height: 1.6;
        margin-bottom: 24px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.875rem;
        width: 100%;
        max-width: 280px;
    }
    
    .section-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }
    
    .section-subtitle {
        font-size: 0.875rem;
        line-height: 1.6;
    }
    
    .feature-card {
        padding: 20px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 16px;
    }
    
    .feature-title {
        font-size: 1.125rem;
        margin-bottom: 8px;
    }
    
    .feature-description {
        font-size: 0.8rem;
        line-height: 1.5;
    }
    
    .hero-image {
        max-width: 240px;
    }
    
    .hero-badge {
        top: 16px;
        right: 16px;
        padding: 6px 12px;
    }
    
    .badge-text {
        font-size: 0.75rem;
    }
    
    .nodes-map {
        height: 250px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 12px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .news-item {
        padding: 12px;
    }
    
    .news-time {
        font-size: 0.7rem;
    }
    
    .title {
        font-size: 0.8rem;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .certification-item {
        padding: 12px;
    }
    
    .certification-item img {
        width: 40px;
        height: 40px;
    }
    
    .certification-item span {
        font-size: 0.75rem;
    }
}