/* Features页面专用样式 */

/* 功能概览区块 */
.features-overview {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.features-overview::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"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="60" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.features-overview .container {
    position: relative;
    z-index: 2;
}

.features-overview .section-title {
    color: white;
}

.features-overview .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.features-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.overview-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.overview-card::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 ease;
}

.overview-card:hover::before {
    left: 100%;
}

.overview-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.overview-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.overview-card h3 {
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.overview-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.overview-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 功能详细介绍区块 */
.feature-details {
    background: #f8fafc;
    padding: 80px 0;
}

.feature-detail-section {
    margin-bottom: 80px;
}

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

.feature-detail-container {
    background: white;
    border-radius: 24px;
    padding: 60px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.feature-detail-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: -200% 0; }
    50% { background-position: 200% 0; }
}

.feature-detail-header {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #e2e8f0;
}

/* 修复功能图标显示 - 移除渐变背景，让emoji正常显示 */
.feature-detail-icon {
    font-size: 4rem;
    color: #667eea;
    /* 移除背景渐变和文字裁剪，直接使用emoji */
}

.feature-detail-title-wrapper {
    flex: 1;
}

.feature-detail-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 10px;
    line-height: 1.2;
}

.feature-detail-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feature-description {
    margin-bottom: 50px;
}

.feature-description h3 {
    font-size: 1.6rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
}

.feature-description p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4a5568;
}

.feature-capabilities {
    margin-bottom: 50px;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.capability-item {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.capability-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.capability-item:hover::before {
    transform: scaleX(1);
}

.capability-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.capability-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.capability-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 15px;
}

.capability-item p {
    color: #4a5568;
    line-height: 1.6;
    font-size: 0.95rem;
}

.feature-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s ease;
}

.stat-card:hover::before {
    width: 300px;
    height: 300px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
}

/* 功能对比区块 */
.feature-comparison {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.feature-comparison::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.feature-comparison .container {
    position: relative;
    z-index: 2;
}

.feature-comparison .section-title {
    color: white;
}

.feature-comparison .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.comparison-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 50px;
    align-items: center;
    margin-top: 60px;
}

.comparison-side {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    position: relative;
}

.comparison-side.traditional {
    border-color: rgba(239, 68, 68, 0.3);
}

.comparison-side.ai {
    border-color: rgba(34, 197, 94, 0.3);
}

.comparison-side h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
}

.comparison-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.comparison-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-label {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.comparison-value {
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.comparison-value.bad {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.comparison-value.good {
    background: rgba(34, 197, 94, 0.2);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.vs-divider {
    font-size: 2rem;
    font-weight: 800;
    color: #667eea;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid #667eea;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s ease-in-out infinite;
}

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

/* CTA区块 */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::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"><defs><pattern id="stars" width="50" height="50" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23stars)"/></svg>');
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.cta-description {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

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

/* 响应式设计优化 */
@media (max-width: 1024px) {
    .features-overview-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }
    
    .feature-detail-container {
        padding: 40px;
    }
    
    .capability-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .comparison-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .vs-divider {
        order: 2;
        margin: 20px auto;
    }
    
    .comparison-side.traditional {
        order: 1;
    }
    
    .comparison-side.ai {
        order: 3;
    }
    
    /* 核心亮点区块响应式 */
    .highlights-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .highlights-title {
        font-size: 2.4rem;
    }
    
    .visual-container {
        height: 400px;
    }
    
    .visual-item {
        min-width: 140px;
        padding: 20px;
    }
    
    .visual-core {
        width: 120px;
        height: 120px;
    }
    
    .core-icon {
        font-size: 2.5rem;
    }
    
    /* 英雄区域响应式 */
    .page-hero {
        padding: 6rem 0 4rem;
        min-height: 60vh;
    }
    
    .page-hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .page-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-features {
        gap: 15px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .features-overview-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .overview-card {
        padding: 25px;
    }
    
    .feature-detail-container {
        padding: 30px 20px;
    }
    
    .feature-detail-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .feature-detail-title {
        font-size: 1.8rem;
    }
    
    .capability-item {
        padding: 25px;
    }
    
    .feature-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* 核心亮点区块移动端响应式 */
    .core-highlights {
        padding: 60px 0;
    }
    
    .highlights-content {
        gap: 40px;
    }
    
    .highlights-title {
        font-size: 2rem;
        text-align: center;
    }
    
    .highlights-description {
        font-size: 1.1rem;
        text-align: center;
    }
    
    .highlight-point {
        padding: 20px;
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .point-icon {
        width: 60px;
        height: 60px;
        font-size: 2.2rem;
        margin: 0 auto;
    }
    
    .visual-container {
        height: 300px;
    }
    
    .visual-item {
        min-width: 120px;
        padding: 15px;
    }
    
    .visual-primary {
        top: 10px;
        left: 20px;
    }
    
    .visual-secondary {
        top: 40px;
        right: 10px;
    }
    
    .visual-tertiary {
        bottom: 40px;
        left: 40px;
    }
    
    .visual-core {
        width: 100px;
        height: 100px;
    }
    
    .core-icon {
        font-size: 2rem;
    }
    
    .core-label {
        font-size: 0.8rem;
    }
    
    /* 英雄区域移动端优化 */
    .page-hero {
        padding: 4rem 0 3rem;
        min-height: 50vh;
    }
    
    .page-hero h1 {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .hero-features {
        gap: 10px;
        margin: 30px 0;
    }
    
    .hero-feature-item {
        padding: 10px 16px;
        font-size: 0.8rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }
    
    .hero-stats .stat-item {
        padding: 25px 15px;
    }
    
    .hero-stats .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .feature-detail-container {
        border-radius: 16px;
        margin: 0 10px;
    }
    
    .feature-detail-title {
        font-size: 1.5rem;
    }
    
    .capability-item {
        padding: 20px;
    }
    
    .capability-item h4 {
        font-size: 1.1rem;
    }
    
    .stat-card {
        padding: 25px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .comparison-item {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    /* 核心亮点区块小屏幕优化 */
    .core-highlights {
        padding: 40px 0;
    }
    
    .highlights-title {
        font-size: 1.6rem;
    }
    
    .highlights-description {
        font-size: 1rem;
    }
    
    .highlight-point {
        padding: 15px;
        gap: 10px;
    }
    
    .point-icon {
        width: 50px;
        height: 50px;
        font-size: 1.8rem;
    }
    
    .point-content h4 {
        font-size: 1.1rem;
    }
    
    .point-content p {
        font-size: 0.9rem;
    }
    
    .visual-container {
        height: 250px;
    }
    
    .visual-item {
        min-width: 100px;
        padding: 12px;
    }
    
    .visual-icon {
        font-size: 2rem;
    }
    
    .visual-label {
        font-size: 0.9rem;
    }
    
    .visual-description {
        font-size: 0.7rem;
    }
    
    .visual-core {
        width: 80px;
        height: 80px;
    }
    
    .core-icon {
        font-size: 1.5rem;
    }
    
    .core-label {
        font-size: 0.7rem;
    }
    
    /* 英雄区域小屏幕优化 */
    .page-hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .page-subtitle {
        font-size: 0.9rem;
    }
    
    .hero-badge {
        padding: 10px 20px;
        font-size: 0.8rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    
    .hero-feature-item {
        width: 100%;
        max-width: 200px;
        justify-content: center;
    }
}

/* 新增内容丰富度样式 */
.feature-tech-stack {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 25px;
    margin: 30px 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-stack-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #667eea;
}

.tech-stack-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-item {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.feature-performance-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.metric-item {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #667eea;
    display: block;
    margin-bottom: 5px;
}

.metric-label {
    font-size: 0.8rem;
    color: #4a5568;
    font-weight: 500;
}

/* 英雄区域优化 */
.page-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    background-size: 400% 100%;
    animation: heroGradient 8s ease-in-out infinite;
    color: white;
    padding: 6rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

@keyframes heroGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.page-hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 50px;
    margin-bottom: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.badge-icon {
    font-size: 1.2rem;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
}

.page-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 30px;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hero-highlight {
    background: linear-gradient(90deg, #ffffff 0%, #f0f0ff 50%, #ffffff 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textShimmer 3s ease-in-out infinite;
}

@keyframes textShimmer {
    0%, 100% { background-position: -200% 0; }
    50% { background-position: 200% 0; }
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.9);
}

.page-subtitle {
    font-size: 1.3rem;
    line-height: 1.7;
    opacity: 0.95;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-subtitle strong {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: inline-block;
    margin-top: 15px;
    font-weight: 700;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.hero-feature-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 1.1rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    margin-top: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats .stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px 20px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.hero-stats .stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.hero-stats .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: white;
}

.hero-stats .stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.9);
}

/* 核心亮点展示区块 */
.core-highlights {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.core-highlights::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 60 60"><defs><pattern id="dots" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="1.5" fill="rgba(102,126,234,0.1)"/></pattern></defs><rect width="60" height="60" fill="url(%23dots)"/></svg>');
    pointer-events: none;
}

.highlights-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.highlights-text {
    position: relative;
}

.highlight-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 25px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.highlights-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: #1a202c;
    line-height: 1.2;
    margin-bottom: 25px;
}

.highlight-accent {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlights-description {
    font-size: 1.2rem;
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 40px;
}

.highlights-points {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.highlight-point {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.highlight-point:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.point-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.point-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.point-content p {
    color: #4a5568;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 视觉展示区域 */
.highlights-visual {
    position: relative;
}

.visual-container {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-item {
    position: absolute;
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid #e2e8f0;
    text-align: center;
    min-width: 160px;
    transition: all 0.3s ease;
    animation: float 6s ease-in-out infinite;
}

.visual-item:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.visual-primary {
    top: 20px;
    left: 50px;
    border-color: #667eea;
    animation-delay: 0s;
}

.visual-secondary {
    top: 60px;
    right: 30px;
    border-color: #764ba2;
    animation-delay: 2s;
}

.visual-tertiary {
    bottom: 60px;
    left: 80px;
    border-color: #48bb78;
    animation-delay: 4s;
}

.visual-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.visual-label {
    font-size: 1rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 5px;
}

.visual-description {
    font-size: 0.8rem;
    color: #667eea;
    font-weight: 500;
}

/* 中央核心 */
.visual-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    width: 140px;
    height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
    position: relative;
    z-index: 10;
}

.core-icon {
    font-size: 3rem;
    margin-bottom: 5px;
}

.core-label {
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
}

.core-pulse {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    border: 3px solid rgba(102, 126, 234, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

/* 连接线动画 */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.connection-line {
    position: absolute;
    background: linear-gradient(90deg, #667eea, transparent, #764ba2);
    height: 2px;
    border-radius: 1px;
    animation: lineFlow 4s ease-in-out infinite;
}

.line-1 {
    top: 50%;
    left: 20%;
    right: 20%;
    animation-delay: 0s;
}

.line-2 {
    top: 30%;
    left: 60%;
    right: 10%;
    transform: rotate(45deg);
    animation-delay: 1.5s;
}

.line-3 {
    bottom: 30%;
    left: 10%;
    right: 60%;
    transform: rotate(-45deg);
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.7;
    }
}

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

/* ============================================
   英雄区域样式
   ============================================ */

.features-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    background-size: 400% 100%;
    animation: heroGradientFlow 8s ease-in-out infinite;
    color: white;
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

@keyframes heroGradientFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.features-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 12px 24px;
    border-radius: 50px;
    margin-bottom: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    animation: heroFloat 3s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.badge-icon {
    font-size: 1.2rem;
    animation: iconSpin 4s ease-in-out infinite;
}

@keyframes iconSpin {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.hero-emoji {
    font-size: 4.5rem;
    display: block;
    animation: emojiPulse 2s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

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

.hero-main-text {
    font-size: 4rem;
    background: linear-gradient(90deg, #ffffff 0%, #f0f9ff 50%, #ffffff 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textShimmer 3s ease-in-out infinite;
}

.hero-highlight {
    font-size: 4rem;
    background: linear-gradient(90deg, #FFD700 0%, #FFA500 50%, #FFD700 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: goldShimmer 2.5s ease-in-out infinite;
}

@keyframes textShimmer {
    0%, 100% { background-position: -200% 0; }
    50% { background-position: 200% 0; }
}

@keyframes goldShimmer {
    0%, 100% { background-position: -200% 0; }
    50% { background-position: 200% 0; }
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 25px;
    opacity: 0.95;
    color: rgba(255, 255, 255, 0.95);
}

.hero-description {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-description strong {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-weight: 700;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 20px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.hero-feature-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 1.2rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 50px 0;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats .stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px 20px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.hero-stats .stat-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s ease;
}

.hero-stats .stat-item:hover::before {
    width: 200px;
    height: 200px;
}

.hero-stats .stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.hero-stats .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: white;
    position: relative;
    z-index: 2;
}

.hero-stats .stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 50px;
    flex-wrap: wrap;
}

.btn-primary.hero-cta {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #333;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary.hero-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary.hero-cta:hover::before {
    left: 100%;
}

.btn-primary.hero-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(255, 215, 0, 0.6);
}

.btn-secondary.hero-explore {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: 13px 28px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary.hero-explore:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.button-icon {
    font-size: 1.1rem;
}

/* 装饰性元素 */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.deco-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: decorFloat 6s ease-in-out infinite;
}

.deco-1 {
    width: 120px;
    height: 120px;
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

.deco-2 {
    width: 80px;
    height: 80px;
    top: 25%;
    right: 15%;
    animation-delay: 2s;
}

.deco-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 15%;
    animation-delay: 4s;
}

@keyframes decorFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.deco-grid {
    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"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

/* ============================================
   为什么选择我们区块样式
   ============================================ */

.why-choose-us {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.why-choose-us::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 60 60"><defs><pattern id="hexagons" width="60" height="60" patternUnits="userSpaceOnUse"><polygon points="30,5 45,15 45,35 30,45 15,35 15,15" fill="none" stroke="rgba(102,126,234,0.08)" stroke-width="1"/></pattern></defs><rect width="60" height="60" fill="url(%23hexagons)"/></svg>');
    pointer-events: none;
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.why-choose-text {
    position: relative;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 25px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.section-title-large {
    font-size: 3.2rem;
    font-weight: 800;
    color: #1a202c;
    line-height: 1.2;
    margin-bottom: 25px;
}

.title-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-description {
    font-size: 1.2rem;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 40px;
}

.section-description strong {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 700;
}

.why-choose-points {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 50px;
}

.choice-point {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.choice-point::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.choice-point:hover::before {
    transform: scaleX(1);
}

.choice-point:hover {
    transform: translateY(-5px) translateX(5px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.point-icon {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.point-icon span {
    position: relative;
    z-index: 2;
    filter: grayscale(0);
}

.point-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
}

.point-content p {
    color: #4a5568;
    line-height: 1.7;
    font-size: 1rem;
}

.choice-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
}

.choice-stat {
    text-align: center;
    padding: 25px 15px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.choice-stat:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

.stat-value {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-desc {
    font-size: 0.9rem;
    color: #4a5568;
    font-weight: 500;
}

/* 视觉生态系统 */
.why-choose-visual {
    position: relative;
}

.visual-ecosystem {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ecosystem-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.core-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
    position: relative;
    z-index: 2;
}

.core-icon {
    font-size: 2.5rem;
    margin-bottom: 5px;
}

.core-label {
    font-size: 0.8rem;
    font-weight: 600;
}

.core-pulse {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border-radius: 50%;
    border: 3px solid rgba(102, 126, 234, 0.3);
    animation: corePulse 2s ease-in-out infinite;
}

@keyframes corePulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.7;
    }
}

.ecosystem-module {
    position: absolute;
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 2px solid #e2e8f0;
    text-align: center;
    transition: all 0.3s ease;
    animation: moduleFloat 6s ease-in-out infinite;
}

.ecosystem-module:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.module-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.module-icon {
    font-size: 1.8rem;
}

.module-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #2d3748;
}

/* 模块位置 */
.module-1 {
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.module-2 {
    top: 10%;
    right: 20%;
    animation-delay: 1s;
}

.module-3 {
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    animation-delay: 2s;
}

.module-4 {
    bottom: 10%;
    right: 20%;
    animation-delay: 3s;
}

.module-5 {
    bottom: 10%;
    left: 20%;
    animation-delay: 4s;
}

.module-6 {
    top: 50%;
    left: 5%;
    transform: translateY(-50%);
    animation-delay: 5s;
}

@keyframes moduleFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

/* 连接线 */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.connection-line {
    position: absolute;
    background: linear-gradient(90deg, #667eea, transparent, #764ba2);
    height: 2px;
    border-radius: 1px;
    animation: connectionPulse 4s ease-in-out infinite;
}

.line-1 {
    top: 25%;
    left: 30%;
    right: 30%;
    animation-delay: 0s;
}

.line-2 {
    top: 25%;
    left: 65%;
    right: 10%;
    transform: rotate(60deg);
    animation-delay: 0.7s;
}

.line-3 {
    top: 50%;
    right: 15%;
    width: 20%;
    animation-delay: 1.4s;
}

.line-4 {
    bottom: 25%;
    left: 65%;
    right: 10%;
    transform: rotate(-60deg);
    animation-delay: 2.1s;
}

.line-5 {
    bottom: 25%;
    left: 30%;
    right: 30%;
    animation-delay: 2.8s;
}

.line-6 {
    top: 50%;
    left: 15%;
    width: 20%;
    animation-delay: 3.5s;
}

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

/* 浮动指标 */
.floating-metrics {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.metric-bubble {
    position: absolute;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    animation: bubbleFloat 5s ease-in-out infinite;
}

.bubble-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.bubble-label {
    font-size: 0.7rem;
    opacity: 0.9;
}

.bubble-1 {
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0s;
}

.bubble-2 {
    top: 40%;
    right: 10%;
    animation-delay: 1.7s;
}

.bubble-3 {
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 3.4s;
}

@keyframes bubbleFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* ============================================
   英雄区域和为什么选择我们区块响应式设计
   ============================================ */

/* 中等屏幕适配 (1024px以下) */
@media (max-width: 1024px) {
    /* 英雄区域响应式 */
    .features-hero {
        padding: 6rem 0 4rem;
        min-height: 70vh;
    }
    
    .hero-title {
        font-size: 3.2rem;
    }
    
    .hero-emoji {
        font-size: 3.5rem;
    }
    
    .hero-main-text,
    .hero-highlight {
        font-size: 3.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    /* 为什么选择我们响应式 */
    .why-choose-content {
        gap: 60px;
    }
    
    .section-title-large {
        font-size: 2.8rem;
    }
    
    .visual-ecosystem {
        height: 450px;
    }
    
    .ecosystem-module {
        padding: 15px;
    }
    
    .core-content {
        width: 100px;
        height: 100px;
    }
    
    .core-icon {
        font-size: 2rem;
    }
}

/* 平板设备适配 (768px以下) */
@media (max-width: 768px) {
    /* 英雄区域移动端优化 */
    .features-hero {
        padding: 4rem 0 3rem;
        min-height: 60vh;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-emoji {
        font-size: 2.8rem;
    }
    
    .hero-main-text,
    .hero-highlight {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        margin: 30px 0;
    }
    
    .hero-feature-item {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 40px 0;
    }
    
    .hero-stats .stat-item {
        padding: 25px 15px;
    }
    
    .hero-stats .stat-number {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        margin-top: 40px;
    }
    
    .btn-primary.hero-cta,
    .btn-secondary.hero-explore {
        width: 100%;
        max-width: 300px;
        justify-content: center;
        padding: 12px 24px;
        font-size: 1rem;
    }
    
    /* 装饰元素移动端调整 */
    .deco-1,
    .deco-2,
    .deco-3 {
        opacity: 0.3;
    }
    
    .deco-1 {
        width: 80px;
        height: 80px;
        top: 20%;
        left: 5%;
    }
    
    .deco-2 {
        width: 60px;
        height: 60px;
        top: 30%;
        right: 5%;
    }
    
    .deco-3 {
        width: 70px;
        height: 70px;
        bottom: 25%;
        left: 8%;
    }
    
    /* 为什么选择我们移动端优化 */
    .why-choose-us {
        padding: 60px 0;
    }
    
    .why-choose-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .section-title-large {
        font-size: 2.2rem;
        text-align: center;
    }
    
    .section-description {
        font-size: 1.1rem;
        text-align: center;
    }
    
    .choice-point {
        padding: 20px;
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .point-icon {
        width: 50px;
        height: 50px;
        font-size: 2rem;
        margin: 0 auto;
    }
    
    .point-content h3 {
        font-size: 1.2rem;
    }
    
    .point-content p {
        font-size: 0.95rem;
    }
    
    .choice-stats {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 20px;
    }
    
    .choice-stat {
        padding: 20px 10px;
    }
    
    .stat-value {
        font-size: 1.8rem;
    }
    
    .stat-desc {
        font-size: 0.8rem;
    }
    
    /* 视觉生态系统移动端调整 */
    .visual-ecosystem {
        height: 350px;
    }
    
    .ecosystem-core {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        margin: 0 auto;
    }
    
    .core-content {
        width: 80px;
        height: 80px;
    }
    
    .core-icon {
        font-size: 1.5rem;
    }
    
    .core-label {
        font-size: 0.7rem;
    }
    
    .ecosystem-module {
        position: relative;
        display: none; /* 在移动端隐藏周围模块，只保留核心 */
    }
    
    .connection-lines {
        display: none; /* 移动端隐藏连接线 */
    }
    
    .floating-metrics {
        position: static;
        display: flex;
        justify-content: center;
        gap: 15px;
        margin-top: 30px;
        flex-wrap: wrap;
    }
    
    .metric-bubble {
        position: static;
        animation: none;
        transform: none;
        margin: 0;
        flex: 0 0 auto;
        min-width: 80px;
    }
    
    .bubble-value {
        font-size: 1rem;
    }
    
    .bubble-label {
        font-size: 0.6rem;
    }
}

/* 小屏幕设备适配 (480px以下) */
@media (max-width: 480px) {
    /* 英雄区域小屏幕优化 */
    .features-hero {
        padding: 3rem 0 2rem;
        min-height: 50vh;
    }
    
    .hero-badge {
        padding: 10px 16px;
        font-size: 0.8rem;
        margin-bottom: 20px;
    }
    
    .hero-title {
        font-size: 2rem;
        gap: 8px;
    }
    
    .hero-emoji {
        font-size: 2.2rem;
    }
    
    .hero-main-text,
    .hero-highlight {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    .hero-description {
        font-size: 0.9rem;
        margin-bottom: 30px;
    }
    
    .hero-features {
        margin: 25px 0;
        gap: 10px;
    }
    
    .hero-feature-item {
        max-width: 250px;
        padding: 8px 12px;
        font-size: 0.75rem;
    }
    
    .feature-icon {
        font-size: 1rem;
    }
    
    .hero-stats .stat-item {
        padding: 20px 12px;
    }
    
    .hero-stats .stat-number {
        font-size: 1.8rem;
    }
    
    .hero-stats .stat-label {
        font-size: 0.8rem;
    }
    
    .btn-primary.hero-cta,
    .btn-secondary.hero-explore {
        max-width: 260px;
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .button-icon {
        font-size: 1rem;
    }
    
    /* 为什么选择我们小屏幕优化 */
    .why-choose-us {
        padding: 40px 0;
    }
    
    .why-choose-content {
        gap: 40px;
    }
    
    .section-badge {
        padding: 8px 16px;
        font-size: 0.75rem;
        margin-bottom: 20px;
    }
    
    .section-title-large {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }
    
    .section-description {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .why-choose-points {
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .choice-point {
        padding: 15px;
        gap: 12px;
    }
    
    .point-icon {
        width: 45px;
        height: 45px;
        font-size: 1.8rem;
    }
    
    .point-content h3 {
        font-size: 1.1rem;
    }
    
    .point-content p {
        font-size: 0.9rem;
    }
    
    .choice-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .choice-stat {
        padding: 15px 8px;
    }
    
    .stat-value {
        font-size: 1.6rem;
    }
    
    .stat-desc {
        font-size: 0.75rem;
    }
    
    .visual-ecosystem {
        height: 250px;
    }
    
    .core-content {
        width: 70px;
        height: 70px;
    }
    
    .core-icon {
        font-size: 1.3rem;
    }
    
    .core-label {
        font-size: 0.6rem;
    }
    
    .floating-metrics {
        gap: 10px;
        margin-top: 20px;
    }
    
    .metric-bubble {
        min-width: 70px;
        padding: 8px 12px;
    }
    
    .bubble-value {
        font-size: 0.9rem;
    }
    
    .bubble-label {
                 font-size: 0.55rem;
     }
}

/* ============================================
   核心优势区块样式
   ============================================ */

.core-advantages {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.core-advantages::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"><defs><pattern id="advantages-pattern" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="2" fill="rgba(102,126,234,0.05)"/><circle cx="20" cy="20" r="1" fill="rgba(102,126,234,0.03)"/><circle cx="80" cy="80" r="1.5" fill="rgba(102,126,234,0.04)"/></pattern></defs><rect width="100" height="100" fill="url(%23advantages-pattern)"/></svg>');
    pointer-events: none;
}

.advantages-content {
    position: relative;
    z-index: 2;
}

.advantages-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.advantages-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: #667eea;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 25px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    position: relative;
    overflow: hidden;
}

.advantages-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.6s ease;
}

.advantages-badge:hover::before {
    left: 100%;
}

.advantages-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #1a202c;
    line-height: 1.2;
    margin-bottom: 20px;
}

.title-accent {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.advantages-subtitle {
    font-size: 1.3rem;
    color: #4a5568;
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.advantage-card {
    background: white;
    border-radius: 24px;
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    cursor: pointer;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.advantage-icon-wrapper {
    position: relative;
    margin-bottom: 25px;
    width: 80px;
    height: 80px;
}

.advantage-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1) rotate(5deg);
}

.icon-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 25px;
    opacity: 0;
    filter: blur(15px);
    transition: opacity 0.3s ease;
}

.advantage-card:hover .icon-glow {
    opacity: 0.3;
}

.advantage-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.advantage-content p {
    color: #4a5568;
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 20px;
}

.advantage-highlight {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
}

.highlight-value {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight-label {
    font-size: 0.9rem;
    color: #667eea;
    font-weight: 600;
    background: rgba(102, 126, 234, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.card-decoration {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 50%;
    transition: all 0.3s ease;
    transform: scale(0.8);
    opacity: 0.6;
}

.advantage-card:hover .card-decoration {
    transform: scale(1.2);
    opacity: 1;
}

/* 底部统计亮点 */
.advantages-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    padding: 40px 0;
    border-top: 1px solid #e2e8f0;
    /* 确保网格布局在所有屏幕尺寸下稳定 */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.stat-highlight {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    /* 确保在JavaScript动画过程中布局稳定 */
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    /* 防止文字重绘问题 */
    contain: layout style paint;
}

.stat-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.05), transparent);
    transition: left 0.6s ease;
}

.stat-highlight:hover::before {
    left: 100%;
}

.stat-highlight:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.12);
    border-color: rgba(102, 126, 234, 0.2);
}

.stat-icon {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.stat-highlight .stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    /* 确保动画过程中文字正常显示 */
    color: #667eea; /* 作为fallback颜色 */
    text-shadow: none;
    /* 防止动画时出现文字闪烁 */
    will-change: contents;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.stat-highlight .stat-label {
    font-size: 0.9rem;
    color: #4a5568;
    font-weight: 600;
}

/* 背景装饰 */
.advantages-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.deco-shape {
    position: absolute;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border-radius: 50%;
    animation: shapeFloat 8s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 8%;
    animation-delay: 2.7s;
}

.shape-3 {
    width: 120px;
    height: 120px;
    bottom: 15%;
    left: 60%;
    animation-delay: 5.4s;
}

@keyframes shapeFloat {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg) scale(1);
        opacity: 0.6;
    }
    50% { 
        transform: translateY(-30px) rotate(180deg) scale(1.1);
        opacity: 0.8;
    }
}

/* 动画延迟效果 */
.advantage-card[data-delay="0"] {
    animation-delay: 0s;
}

.advantage-card[data-delay="100"] {
    animation-delay: 0.1s;
}

.advantage-card[data-delay="200"] {
    animation-delay: 0.2s;
}

.advantage-card[data-delay="300"] {
    animation-delay: 0.3s;
}

.advantage-card[data-delay="400"] {
    animation-delay: 0.4s;
}

.advantage-card[data-delay="500"] {
    animation-delay: 0.5s;
}

/* ============================================
   核心优势区块响应式设计
   ============================================ */

/* 中等屏幕适配 (1024px以下) */
@media (max-width: 1024px) {
    .core-advantages {
        padding: 80px 0;
    }
    
    .advantages-title {
        font-size: 3rem;
    }
    
    .advantages-subtitle {
        font-size: 1.2rem;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 25px;
        margin-bottom: 60px;
    }
    
    .advantage-card {
        padding: 35px 25px;
    }
    
    .advantages-stats {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 25px;
    }
}

/* 平板设备适配 (768px以下) */
@media (max-width: 768px) {
    .core-advantages {
        padding: 60px 0;
    }
    
    .advantages-header {
        margin-bottom: 50px;
    }
    
    .advantages-title {
        font-size: 2.5rem;
    }
    
    .advantages-subtitle {
        font-size: 1.1rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 50px;
    }
    
    .advantage-card {
        padding: 30px 20px;
        text-align: center;
    }
    
    .advantage-icon-wrapper {
        margin: 0 auto 20px;
    }
    
    .advantage-content h3 {
        font-size: 1.3rem;
    }
    
    .advantage-content p {
        font-size: 0.95rem;
    }
    
    .advantage-highlight {
        justify-content: center;
    }
    
    .advantages-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-highlight {
        padding: 20px;
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }
    
    .stat-highlight .stat-number {
        font-size: 1.8rem;
    }
    
    /* 装饰元素移动端调整 */
    .shape-1,
    .shape-2,
    .shape-3 {
        opacity: 0.3;
    }
    
    .shape-1 {
        width: 120px;
        height: 120px;
        top: 15%;
        left: 5%;
    }
    
    .shape-2 {
        width: 100px;
        height: 100px;
        top: 70%;
        right: 5%;
    }
    
    .shape-3 {
        width: 80px;
        height: 80px;
        bottom: 20%;
        left: 70%;
    }
}

/* 小屏幕设备适配 (480px以下) */
@media (max-width: 480px) {
    .core-advantages {
        padding: 40px 0;
    }
    
    .advantages-badge {
        padding: 10px 16px;
        font-size: 0.8rem;
        margin-bottom: 20px;
    }
    
    .advantages-title {
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    .advantages-subtitle {
        font-size: 1rem;
    }
    
    .advantages-header {
        margin-bottom: 40px;
    }
    
    .advantages-grid {
        margin-bottom: 40px;
        gap: 15px;
    }
    
    .advantage-card {
        padding: 25px 15px;
        border-radius: 16px;
    }
    
    .advantage-icon-wrapper {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 2.2rem;
        border-radius: 16px;
    }
    
    .advantage-content h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .advantage-content p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .highlight-value {
        font-size: 1.2rem;
    }
    
    .highlight-label {
        font-size: 0.8rem;
        padding: 3px 8px;
    }
    
    .advantages-stats {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 30px 0;
    }
    
    .stat-highlight {
        padding: 15px;
        gap: 12px;
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
        font-size: 1.8rem;
    }
    
    .stat-highlight .stat-number {
        font-size: 1.6rem;
    }
    
    .stat-highlight .stat-label {
        font-size: 0.8rem;
    }
    
    .card-decoration {
        display: none; /* 小屏幕隐藏装饰元素 */
    }
}