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

:root {
    --primary-color: #5F5FFA;
    --primary-dark: #4A4AE8;
    --primary-light: #7B7BFF;
    --secondary-color: #FF6B6B;
    --accent-color: #4ECDC4;
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --background-light: #F8F9FA;
    --background-white: #FFFFFF;
    --gradient-primary: linear-gradient(135deg, #5F5FFA 0%, #4A4AE8 100%);
    --gradient-secondary: linear-gradient(135deg, #7B7BFF 0%, #5F5FFA 100%);
}

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    background: var(--background-white);
}

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(95, 95, 250, 0.1);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

/* .navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.navbar.scrolled .navbar-brand,
.navbar.scrolled .nav-link {
    color: #333 !important;
} */

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea !important;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    text-decoration: none;
}

.navbar-brand img {
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(95, 95, 250, 0.2));
}

.navbar-brand:hover img {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 8px rgba(95, 95, 250, 0.3));
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    color: var(--text-primary) !important;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #667eea !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 80%;
}

/* 行业痛点模块样式 */
.pain-points-section {
    background: linear-gradient(135deg, var(--background-light) 0%, #E8E9FF 100%);
}

.pain-point-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(95, 95, 250, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(95, 95, 250, 0.1);
}

.pain-point-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(95, 95, 250, 0.2);
    border-color: #667eea;
}

.pain-point-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    box-shadow: 0 8px 20px rgba(95, 95, 250, 0.3);
}

.pain-point-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: bold;
}

.pain-desc {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.pain-stats {
    background: linear-gradient(135deg, #5F5FFA 0%, #4A4AE8 100%);
    color: white;
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1rem;
}

.stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
}

.stat-label {
    font-size: 0.8rem;
    opacity: 0.9;
}

/* 6大核心优势模块间距优化 */
.features-section {
    padding-top: 3rem !important;
    padding-bottom: 2rem !important;
}

.features-section .feature-card {
    margin: 0;
    padding: 1rem;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.features-section .feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* 调整卡片内容的间距 */
.features-section .feature-content {
    padding: 0;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.features-section .feature-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.features-section .feature-content p {
    font-size: 0.85rem;
    line-height: 1.4;
    margin-bottom: 0.6rem;
    flex-grow: 1;
}

/* Footer底部链接样式 */
.footer-bottom-links {
    margin-bottom: 0;
}

.footer-bottom-links a {
    color: #6c757d;
    text-decoration: none;
    margin-right: 2rem;
    transition: color 0.3s ease;
}

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

/* Footer底部版权和备案号同行样式 */
.footer-copyright {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
}

.copyright-text {
    color: #bdc3c7;
}

.footer-beian {
    margin: 0; /* 移除之前的margin-top */
}

.footer-beian a {
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-beian a:hover {
    color: #667eea;
    transform: translateY(-1px);
}

.footer-beian i {
    font-size: 0.8rem;
}

/* 响应式处理：小屏幕时换行显示 */
@media (max-width: 576px) {
    .footer-copyright {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* 二维码模态框样式 */
.qrcode-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.qrcode-modal.active {
    opacity: 1;
    visibility: visible;
}

.qrcode-modal.active .modal-overlay {
    background: rgba(0, 0, 0, 0.75);
}

.qrcode-modal .modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: white;
    border-radius: 12px;
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.qrcode-modal.active .modal-content {
    transform: translate(-50%, -50%) scale(1);
}

.qrcode-large {
    text-align: center;
    padding: 2rem 2rem 1rem;
}

.qrcode-large img {
    width: 200px;
    height: 200px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 10px;
    background: white;
}

.qrcode-description {
    text-align: center;
    padding: 1rem 2rem 2rem;
}

.qrcode-description p {
    color: #666;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}
    border-radius: 10px;
    margin-top: 1rem;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8rem;
    opacity: 0.9;
}

.solution-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    margin-top: 3rem;
}

.solution-content h3 {
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.solution-content i {
    margin-right: 0.5rem;
}

/* 关于我们模块样式 */
.about-section {
    background: white;
}

.founder-photo {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.founder-photo:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

.founder-img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.founder-name-tag {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 70%, transparent 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.founder-name-tag h3 {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.founder-name-tag p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
}

.founder-achievements h3 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: bold;
}

.achievement-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.achievement-item:hover {
    background: #e9ecef;
    transform: translateX(10px);
}

.achievement-item i {
    font-size: 2rem;
    color: #667eea;
    margin-right: 1rem;
    margin-top: 0.5rem;
}

.achievement-item h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.achievement-item p {
    color: #666;
    margin: 0;
}

.platform-vision {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 2rem;
    border-radius: 15px;
}

.platform-vision h3 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: bold;
}

.vision-content .lead {
    color: #667eea;
    font-weight: bold;
    margin-bottom: 2rem;
    font-size: 1.3rem;
}

.vision-list {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.vision-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: #666;
}

.vision-list i {
    color: #28a745;
    margin-right: 1rem;
}

.vision-metrics {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.vision-metrics .metric {
    text-align: center;
    flex: 1;
}

.vision-metrics .metric-value {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: #667eea;
}

.vision-metrics .metric-label {
    font-size: 0.9rem;
    color: #666;
}

/* Partners Section */
.partners-section {
    background: linear-gradient(135deg, #FFFFFF 0%, #F5F6FF 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.partners-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    opacity: 0.3;
}

/* 多行合作伙伴滚动容器 */
.partners-multi-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 15px;
    padding: 2rem 0;
}

.partners-row {
    width: 100%;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.partners-row:last-child {
    margin-bottom: 0;
}

.partners-track {
    display: flex;
    width: fit-content;
}

/* 向左滚动动画 */
.partners-track-left {
    animation: scroll-partners-left 25s linear infinite;
}

@keyframes scroll-partners-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 向右滚动动画 */
.partners-track-right {
    animation: scroll-partners-right 25s linear infinite;
}

@keyframes scroll-partners-right {
    0% {
        transform: translateX(-50%);
    }
    100% {
        transform: translateX(0);
    }
}

.partner-logo {
    flex: 0 0 auto;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 1rem;
    transition: all 0.3s ease;
}

.partner-logo:hover {
    transform: scale(1.05);
}

.partner-logo img {
    max-width: 120px;
    max-height: 60px;
    object-fit: contain;
    transition: transform 0.3s ease;
    filter: grayscale(20%);
    opacity: 0.8;
}

.partner-logo:hover img {
    opacity: 1;
    transform: scale(1.05);
    filter: grayscale(0%);
}

/* Video Showcase Section */
.video-showcase-section {
    background: white;
    padding: 80px 0;
}

.video-carousel-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.video-carousel-controls .btn,
.video-nav-btn {
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #667eea;
    background: white;
    color: #667eea;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(95, 95, 250, 0.25);
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    font-size: 1rem;
    cursor: pointer;
}

.video-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.video-nav-btn::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #667eea, #764ba2, #667eea);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-nav-btn:hover::before {
    opacity: 1;
}

.video-nav-left {
    left: 10px;
}

.video-nav-right {
    right: 10px;
}

.video-carousel-controls .btn:hover,
.video-nav-btn:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-50%) scale(1.15);
    box-shadow: 0 8px 30px rgba(95, 95, 250, 0.5);
    border-color: transparent;
}
}

.video-group-wrapper {
    position: relative;
    padding: 0 70px;
    margin: 0 -20px;
}

.video-group-indicator {
    font-size: 1.2rem;
    font-weight: 600;
    color: #667eea;
}

.video-carousel-container {
    position: relative;
    overflow: hidden;
    margin: 0 -15px;
    padding: 0 15px;
}

.video-group {
    position: absolute;
    width: 100%;
    opacity: 0;
    transform: translateX(30px) scale(0.98);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: none;
    filter: blur(2px);
}

.video-group.active {
    position: relative;
    opacity: 1;
    transform: translateX(0) scale(1);
    pointer-events: auto;
    filter: blur(0);
}

.video-group.prev {
    transform: translateX(-30px) scale(0.98);
    filter: blur(2px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.video-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.video-thumbnail {
    position: relative;
    overflow: hidden;
    height: 140px;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #667eea;
    transition: all 0.3s ease;
}

.video-card:hover .play-button {
    background: white;
    transform: translate(-50%, -50%) scale(1.1);
}

.video-overlay {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-size: 0.8rem;
}

.video-info {
    padding: 1.5rem;
}

.video-info h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.video-info p {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* 视频卡片入场动画 */
.video-card {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUpFade 0.6s ease forwards;
}

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

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

.video-stats {
    display: flex;
    gap: 1rem;
    color: #999;
    font-size: 0.8rem;
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #ffd700;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-carousel {
    height: 100%;
    position: relative;
}

.carousel-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.carousel-slide.active {
    opacity: 1;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: bold;
    margin-bottom: 1.2rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    color: #ffffff;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.7);
    color: #ffffff;
    line-height: 1.4;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
}
    min-width: 140px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 12px 24px;
    font-size: 1rem;
    line-height: 1;
    box-sizing: border-box;
    margin: 0;
}

.hero-buttons .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(95, 95, 250, 0.4);
}

.hero-buttons .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(95, 95, 250, 0.6);
    background: linear-gradient(135deg, #7B7BFF 0%, #667eea 100%);
}

.hero-buttons .btn-outline-light {
    border: 2px solid #ffffff;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.hero-buttons .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #ffffff;
    transform: translateY(-2px);
}

.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.indicator {
    width: 50px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: white;
    transform: scaleX(1.2);
}

/* Platform Advantages Section - 简洁设计 */
.platform-advantages-section {
    background: #ffffff;
    padding: 80px 0;
    position: relative;
}

.platform-advantages-section .section-header {
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

/* 优势项目布局 */
.advantage-item {
    margin-bottom: 50px;
    position: relative;
    z-index: 2;
}

.advantage-item:last-child {
    margin-bottom: 0;
}

/* 优势内容包装器 */
.advantage-content-wrapper {
    position: relative;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.advantage-content-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

/* 优势编号 */
.advantage-number {
    position: absolute;
    top: -12px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 3px 10px rgba(95, 95, 250, 0.15);
    z-index: 1;
}

/* 优势内容 */
.advantage-content {
    position: relative;
    z-index: 1;
}

.advantage-icon {
    width: 55px;
    height: 55px;
    background: rgba(95, 95, 250, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    font-size: 1.6rem;
    color: #667eea;
    transition: all 0.3s ease;
}

.advantage-content-wrapper:hover .advantage-icon {
    transform: scale(1.05);
    background: rgba(95, 95, 250, 0.15);
    color: var(--primary-color);
}

.advantage-content h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.3;
}

.advantage-content p {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.advantage-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
}

/* 优势特性列表 */
.advantage-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: #555;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(5px);
    color: #667eea;
}

.feature-item i {
    color: #28a745;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.feature-item:hover i {
    transform: scale(1.2);
}

/* 优势统计框 */
.advantage-stats {
    display: flex;
    gap: 15px;
}

.stat-box {
    flex: 1;
    background: rgba(95, 95, 250, 0.05);
    padding: 14px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-box:hover {
    background: rgba(95, 95, 250, 0.1);
    transform: translateY(-2px);
}

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

.stat-label {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* 优势图片包装器 */
.advantage-image-wrapper {
    position: relative;
    height: 100%;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-image {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
    transition: all 0.3s ease;
}

.advantage-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.advantage-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
}

.advantage-image:hover img {
    transform: scale(1.05);
}



/* 奇数项目和偶数项目的特殊样式 */
.advantage-item:nth-child(odd) .advantage-content-wrapper {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.advantage-item:nth-child(even) .advantage-content-wrapper {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

/* 图标动画增强 */
.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(95, 95, 250, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2.2rem;
    color: #667eea;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s ease;
}

.advantage-icon::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #667eea, #764ba2, #667eea);
    border-radius: 20px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
    animation: icon-rotate 3s linear infinite paused;
}

.advantage-content-wrapper:hover .advantage-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.advantage-content-wrapper:hover .advantage-icon::before {
    width: 100%;
    height: 100%;
}

.advantage-content-wrapper:hover .advantage-icon::after {
    opacity: 1;
    animation-play-state: running;
}

@keyframes icon-rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 不同优势项目的图标颜色主题 */
.advantage-item-1 .advantage-icon {
    color: #667eea;
    background: linear-gradient(135deg, rgba(95, 95, 250, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.advantage-item-2 .advantage-icon {
    color: #28a745;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(20, 83, 35, 0.1) 100%);
}

.advantage-item-3 .advantage-icon {
    color: #fd7e14;
    background: linear-gradient(135deg, rgba(253, 126, 20, 0.1) 0%, rgba(126, 63, 10, 0.1) 100%);
}

.advantage-item-4 .advantage-icon {
    color: #20c997;
    background: linear-gradient(135deg, rgba(32, 201, 151, 0.1) 0%, rgba(16, 100, 75, 0.1) 100%);
}

.advantage-item-5 .advantage-icon {
    color: #dc3545;
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.1) 0%, rgba(110, 26, 34, 0.1) 100%);
}

.advantage-item-6 .advantage-icon {
    color: #6f42c1;
    background: linear-gradient(135deg, rgba(111, 66, 193, 0.1) 0%, rgba(55, 33, 96, 0.1) 100%);
}

/* 图标特殊动画 */
.advantage-item-1 .advantage-icon {
    animation: icon-pulse 2s ease-in-out infinite;
}

.advantage-item-2 .advantage-icon {
    animation: icon-bounce 3s ease-in-out infinite;
}

.advantage-item-3 .advantage-icon {
    animation: icon-shake 4s ease-in-out infinite;
}

.advantage-item-4 .advantage-icon {
    animation: icon-pulse 2.5s ease-in-out infinite;
}

.advantage-item-5 .advantage-icon {
    animation: icon-bounce 3.5s ease-in-out infinite;
}

.advantage-item-6 .advantage-icon {
    animation: icon-shake 2.8s ease-in-out infinite;
}

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

@keyframes icon-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

@keyframes icon-shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-2px);
    }
    75% {
        transform: translateX(2px);
    }
}

/* 数字编号动画 */
.advantage-number {
    animation: number-rotate 4s ease-in-out infinite;
    transition: all 0.3s ease;
}

.advantage-content-wrapper:hover .advantage-number {
    transform: scale(1.2) rotate(360deg);
    box-shadow: 0 15px 40px rgba(95, 95, 250, 0.4);
}

@keyframes number-rotate {
    0%, 100% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(10deg);
    }
}

/* 特性列表项动画 */
.feature-item {
    opacity: 0;
    transform: translateX(-20px);
    animation: feature-slide-in 0.6s ease forwards;
}

.advantage-item-1 .feature-item:nth-child(1) { animation-delay: 0.1s; }
.advantage-item-1 .feature-item:nth-child(2) { animation-delay: 0.2s; }
.advantage-item-1 .feature-item:nth-child(3) { animation-delay: 0.3s; }

.advantage-item-2 .feature-item:nth-child(1) { animation-delay: 0.4s; }
.advantage-item-2 .feature-item:nth-child(2) { animation-delay: 0.5s; }
.advantage-item-2 .feature-item:nth-child(3) { animation-delay: 0.6s; }

.advantage-item-3 .feature-item:nth-child(1) { animation-delay: 0.7s; }
.advantage-item-3 .feature-item:nth-child(2) { animation-delay: 0.8s; }
.advantage-item-3 .feature-item:nth-child(3) { animation-delay: 0.9s; }

.advantage-item-4 .feature-item:nth-child(1) { animation-delay: 1.0s; }
.advantage-item-4 .feature-item:nth-child(2) { animation-delay: 1.1s; }
.advantage-item-4 .feature-item:nth-child(3) { animation-delay: 1.2s; }

.advantage-item-5 .feature-item:nth-child(1) { animation-delay: 1.3s; }
.advantage-item-5 .feature-item:nth-child(2) { animation-delay: 1.4s; }
.advantage-item-5 .feature-item:nth-child(3) { animation-delay: 1.5s; }

.advantage-item-6 .feature-item:nth-child(1) { animation-delay: 1.6s; }
.advantage-item-6 .feature-item:nth-child(2) { animation-delay: 1.7s; }
.advantage-item-6 .feature-item:nth-child(3) { animation-delay: 1.8s; }

@keyframes feature-slide-in {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 统计框动画 */
.stat-box {
    opacity: 0;
    transform: translateY(20px);
    animation: stat-fade-in 0.8s ease forwards;
}

.advantage-item-1 .stat-box { animation-delay: 0.5s; }
.advantage-item-2 .stat-box { animation-delay: 0.8s; }
.advantage-item-3 .stat-box { animation-delay: 1.1s; }
.advantage-item-4 .stat-box { animation-delay: 1.4s; }
.advantage-item-5 .stat-box { animation-delay: 1.7s; }
.advantage-item-6 .stat-box { animation-delay: 2.0s; }

@keyframes stat-fade-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 图片徽章动画 */
.image-badge {
    animation: badge-float 3s ease-in-out infinite;
}

@keyframes badge-float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* 响应式设计 */
@media (max-width: 991px) {
    .platform-advantages-section {
        padding: 80px 0;
    }
    
    .advantage-content-wrapper {
        padding: 30px 25px;
        margin-bottom: 30px;
    }
    
    .advantage-number {
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
        top: -15px;
        right: 20px;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
        margin-bottom: 20px;
    }
    
    .advantage-content h3 {
        font-size: 1.6rem;
    }
    
    .advantage-content p {
        font-size: 1rem;
    }
    
    .advantage-image-wrapper {
        min-height: 300px;
        margin-bottom: 30px;
    }
    
    .advantage-stats {
        flex-direction: column;
        gap: 10px;
    }
    
    /* 减少移动端动画 */
    .advantage-icon::after,
    .advantage-icon,
    .advantage-number,
    .image-badge {
        animation: none;
    }
}

@media (max-width: 767px) {
    .platform-advantages-section {
        padding: 60px 0;
    }
    
    .advantage-item {
        margin-bottom: 60px;
    }
    
    .advantage-content-wrapper {
        padding: 25px 20px;
    }
    
    .advantage-content h3 {
        font-size: 1.4rem;
    }
    
    .advantage-content p {
        font-size: 0.95rem;
    }
    
    .feature-item {
        font-size: 0.9rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .advantage-image-wrapper {
        min-height: 250px;
    }
    
    .image-badge {
        top: 20px;
        right: 20px;
        padding: 10px 18px;
        font-size: 0.8rem;
    }
}

/* Features Section */
.features-section {
    background: linear-gradient(135deg, #FFFFFF 0%, #F8F9FF 100%);
    padding: 80px 0;
    position: relative;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    opacity: 0.2;
}

.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(95, 95, 250, 0.3);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 1.5rem;
}

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 420px;
    max-height: 420px;
}

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

.feature-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
    min-height: 2rem;
    line-height: 1.3;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
    flex-grow: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    margin-bottom: 1rem;
}

/* Statistics Section */
.statistics-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Talents Section */
.talents-section {
    padding: 80px 0;
    background: white;
}

.talent-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.talent-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.talent-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.talent-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.talent-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.talent-category {
    color: #667eea;
    font-weight: 500;
    margin-bottom: 1rem;
}

.talent-stats {
    display: flex;
    justify-content: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.talent-stats span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    padding: 80px 0;
}

.cta-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 320px;
}

.cta-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.cta-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.cta-card p {
    color: #666;
    margin-bottom: 1.2rem;
    flex-grow: 1;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Marketing Service Section */
.marketing-service-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    margin-bottom: 2rem;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    transition: transform 0.3s ease;
}

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

.service-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.service-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.service-features li {
    color: #666;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.service-features li i {
    color: #667eea;
    margin-right: 0.5rem;
}

/* Success Cases Section */
.success-cases-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(95, 95, 250, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.case-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.case-category {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.case-card h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.case-metrics {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.metric {
    text-align: center;
    flex: 1;
    min-width: 80px;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: #667eea;
    line-height: 1.2;
}

.metric-label {
    font-size: 0.8rem;
    color: #666;
    display: block;
}

.case-description {
    color: #666;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* Platform Advantages Section - 新交叉布局样式 */
.platform-advantages-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
    padding: 100px 0;
    position: relative;
}

.platform-advantages-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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e9ecef" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.advantage-item {
    margin-bottom: 80px;
    position: relative;
    z-index: 1;
}

.advantage-item:last-child {
    margin-bottom: 0;
}

/* 优势内容区域 */
.advantage-content {
    padding: 40px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.advantage-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, currentColor, transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-item:hover .advantage-content::before {
    opacity: 1;
}

.advantage-item:hover .advantage-content {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 优势图标样式 */
.advantage-content .advantage-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 30px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.advantage-content .advantage-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: inherit;
    border-radius: inherit;
    z-index: -1;
    opacity: 0.5;
    filter: blur(10px);
}

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

/* 优势标题和描述 */
.advantage-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #2d3748;
    line-height: 1.2;
}

.advantage-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 25px;
}

.advantage-highlight {
    font-weight: 700;
    color: #667eea;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 优势特性列表 */
.advantage-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.advantage-features li {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 1rem;
    color: #4a5568;
}

.advantage-features li i {
    color: #48bb78;
    margin-right: 12px;
    font-size: 1.1rem;
}

.advantage-features li:last-child {
    margin-bottom: 0;
}

/* 图片区域 */
.advantage-image {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.advantage-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.advantage-item:hover .advantage-image {
    transform: scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.advantage-item:hover .advantage-image img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2;
}

.overlay-badge {
    background: rgba(255, 255, 255, 0.95);
    color: #2d3748;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.advantage-item:hover .overlay-badge {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 响应式设计 - 平板设备 */
@media (max-width: 991px) {
    .platform-advantages-section {
        padding: 80px 0;
    }
    
    .advantage-item {
        margin-bottom: 60px;
    }
    
    .advantage-content {
        padding: 30px;
        margin-bottom: 30px;
    }
    
    .advantage-content h3 {
        font-size: 1.8rem;
    }
    
    .advantage-content p {
        font-size: 1rem;
    }
    
    .advantage-content .advantage-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 25px;
    }
    
    .advantage-image img {
        height: 300px;
    }
    
    /* 在平板设备上，所有图片都放在下方 */
    .order-lg-1,
    .order-lg-2 {
        order: 1 !important;
    }
    
    .advantage-item .row > div:first-child {
        order: 1;
    }
    
    .advantage-item .row > div:last-child {
        order: 2;
    }
}

/* 响应式设计 - 手机设备 */
@media (max-width: 767px) {
    .platform-advantages-section {
        padding: 60px 0;
    }
    
    .advantage-item {
        margin-bottom: 50px;
    }
    
    .advantage-content {
        padding: 25px 20px;
        margin-bottom: 25px;
    }
    
    .advantage-content h3 {
        font-size: 1.6rem;
        margin-bottom: 15px;
    }
    
    .advantage-content p {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }
    
    .advantage-content .advantage-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 20px;
        font-size: 1.5rem;
    }
    
    .advantage-features li {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    .advantage-image img {
        height: 250px;
    }
    
    .overlay-badge {
        top: 15px;
        right: 15px;
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}

/* 响应式设计 - 小屏手机 */
@media (max-width: 480px) {
    .platform-advantages-section {
        padding: 40px 0;
    }
    
    .advantage-item {
        margin-bottom: 40px;
    }
    
    .advantage-content {
        padding: 20px 15px;
        margin-bottom: 20px;
        border-radius: 15px;
    }
    
    .advantage-content h3 {
        font-size: 1.4rem;
        margin-bottom: 12px;
    }
    
    .advantage-content p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .advantage-content .advantage-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
        font-size: 1.2rem;
    }
    
    .advantage-features li {
        font-size: 0.85rem;
        margin-bottom: 8px;
        align-items: flex-start;
    }
    
    .advantage-features li i {
        margin-right: 8px;
        margin-top: 2px;
    }
    
    .advantage-image {
        border-radius: 15px;
    }
    
    .advantage-image img {
        height: 200px;
    }
    
    .overlay-badge {
        top: 10px;
        right: 10px;
        padding: 4px 10px;
        font-size: 0.75rem;
    }
}

/* 基础图标样式 */
.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.8rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.advantage-icon::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: iconRotate 3s linear infinite;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.advantage-card:hover .advantage-icon::before {
    opacity: 1;
}

/* 新布局下的图标颜色样式 */

/* 官方认证服务商 - 蓝紫色系 */
.advantage-icon-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    box-shadow: 0 10px 25px rgba(95, 95, 250, 0.3) !important;
}

.advantage-icon-1::before {
    background: linear-gradient(45deg, #667eea, #764ba2, #667eea) !important;
}

.advantage-item:nth-child(1) .advantage-content::before {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    color: #667eea;
}

.advantage-item:nth-child(1):hover .advantage-content .advantage-icon {
    box-shadow: 0 15px 35px rgba(95, 95, 250, 0.4);
}

.advantage-item:nth-child(1):hover .advantage-content {
    box-shadow: 0 20px 40px rgba(95, 95, 250, 0.15),
                0 0 0 1px rgba(95, 95, 250, 0.1);
}

/* 海量达人资源 - 橙色系 */
.advantage-icon-2 {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%) !important;
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3) !important;
}

.advantage-icon-2::before {
    background: linear-gradient(45deg, #ff6b6b, #ff8e53, #ff6b6b) !important;
}

.advantage-item:nth-child(2) .advantage-content::before {
    background: linear-gradient(90deg, #ff6b6b 0%, #ff8e53 50%, #ff6b6b 100%);
    color: #ff6b6b;
}

.advantage-item:nth-child(2):hover .advantage-content .advantage-icon {
    box-shadow: 0 15px 35px rgba(255, 107, 107, 0.4);
}

.advantage-item:nth-child(2):hover .advantage-content {
    box-shadow: 0 20px 40px rgba(255, 107, 107, 0.15),
                0 0 0 1px rgba(255, 107, 107, 0.1);
}

/* 数据驱动决策 - 绿色系 */
.advantage-icon-3 {
    background: linear-gradient(135deg, #20e3b2 0%, #11998e 100%) !important;
    box-shadow: 0 10px 25px rgba(32, 227, 178, 0.3) !important;
}

.advantage-icon-3::before {
    background: linear-gradient(45deg, #20e3b2, #11998e, #20e3b2) !important;
}

.advantage-item:nth-child(3) .advantage-content::before {
    background: linear-gradient(90deg, #20e3b2 0%, #11998e 50%, #20e3b2 100%);
    color: #20e3b2;
}

.advantage-item:nth-child(3):hover .advantage-content .advantage-icon {
    box-shadow: 0 15px 35px rgba(32, 227, 178, 0.4);
}

.advantage-item:nth-child(3):hover .advantage-content {
    box-shadow: 0 20px 40px rgba(32, 227, 178, 0.15),
                0 0 0 1px rgba(32, 227, 178, 0.1);
}

/* 专业运营团队 - 紫色系 */
.advantage-icon-4 {
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%) !important;
    box-shadow: 0 10px 25px rgba(168, 85, 247, 0.3) !important;
}

.advantage-icon-4::before {
    background: linear-gradient(45deg, #a855f7, #7c3aed, #a855f7) !important;
}

.advantage-item:nth-child(4) .advantage-content::before {
    background: linear-gradient(90deg, #a855f7 0%, #7c3aed 50%, #a855f7 100%);
    color: #a855f7;
}

.advantage-item:nth-child(4):hover .advantage-content .advantage-icon {
    box-shadow: 0 15px 35px rgba(168, 85, 247, 0.4);
}

.advantage-item:nth-child(4):hover .advantage-content {
    box-shadow: 0 20px 40px rgba(168, 85, 247, 0.15),
                0 0 0 1px rgba(168, 85, 247, 0.1);
}

/* 安全保障体系 - 红色系 */
.advantage-icon-5 {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
    box-shadow: 0 10px 25px rgba(239, 68, 68, 0.3) !important;
}

.advantage-icon-5::before {
    background: linear-gradient(45deg, #ef4444, #dc2626, #ef4444) !important;
}

.advantage-item:nth-child(5) .advantage-content::before {
    background: linear-gradient(90deg, #ef4444 0%, #dc2626 50%, #ef4444 100%);
    color: #ef4444;
}

.advantage-item:nth-child(5):hover .advantage-content .advantage-icon {
    box-shadow: 0 15px 35px rgba(239, 68, 68, 0.4);
}

.advantage-item:nth-child(5):hover .advantage-content {
    box-shadow: 0 20px 40px rgba(239, 68, 68, 0.15),
                0 0 0 1px rgba(239, 68, 68, 0.1);
}

/* 高效执行能力 - 青色系 */
.advantage-icon-6 {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%) !important;
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.3) !important;
}

.advantage-icon-6::before {
    background: linear-gradient(45deg, #06b6d4, #0891b2, #06b6d4) !important;
}

.advantage-item:nth-child(6) .advantage-content::before {
    background: linear-gradient(90deg, #06b6d4 0%, #0891b2 50%, #06b6d4 100%);
    color: #06b6d4;
}

.advantage-item:nth-child(6):hover .advantage-content .advantage-icon {
    box-shadow: 0 15px 35px rgba(6, 182, 212, 0.4);
}

.advantage-item:nth-child(6):hover .advantage-content {
    box-shadow: 0 20px 40px rgba(6, 182, 212, 0.15),
                0 0 0 1px rgba(6, 182, 212, 0.1);
}

@keyframes iconRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 图标脉冲动画 */
@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
    }
}

/* 为图标添加持续的脉冲效果 */
.advantage-icon {
    animation: iconPulse 3s ease-in-out infinite;
}

/* 悬停时停止脉冲并增强动画 */
.advantage-card:hover .advantage-icon {
    animation: iconRotate 2s linear infinite, iconPulse 1.5s ease-in-out infinite;
}

/* 增强的进入动画 */
@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.advantage-card {
    animation: fadeInScale 0.8s ease-out forwards;
}

/* 为不同卡片添加延迟动画 */
.advantage-card:nth-child(1) { animation-delay: 0.1s; }
.advantage-card:nth-child(2) { animation-delay: 0.2s; }
.advantage-card:nth-child(3) { animation-delay: 0.3s; }
.advantage-card:nth-child(4) { animation-delay: 0.4s; }
.advantage-card:nth-child(5) { animation-delay: 0.5s; }
.advantage-card:nth-child(6) { animation-delay: 0.6s; }

/* 优化悬停效果 */
.advantage-card:hover .advantage-icon {
    animation: iconRotate 1s linear infinite, iconPulse 0.8s ease-in-out infinite;
    transform: scale(1.2) rotate(5deg);
}

/* 图标内容动画 */
.advantage-icon svg {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.advantage-card:hover .advantage-icon svg {
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
}

/* 添加微光效果 */
.advantage-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 70%
    );
    transform: rotate(45deg) translateY(-100%);
    transition: transform 0.6s ease;
}

.advantage-card:hover .advantage-icon::after {
    transform: rotate(45deg) translateY(100%);
}

/* 背景渐变动画 */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 为每个图标背景添加渐变动画 */
.advantage-card:nth-child(1) .advantage-icon {
    background-size: 200% 200%;
    animation: iconPulse 3s ease-in-out infinite, gradientShift 4s ease infinite;
}

.advantage-card:nth-child(2) .advantage-icon {
    background-size: 200% 200%;
    animation: iconPulse 3s ease-in-out infinite 0.2s, gradientShift 4s ease infinite 0.2s;
}

.advantage-card:nth-child(3) .advantage-icon {
    background-size: 200% 200%;
    animation: iconPulse 3s ease-in-out infinite 0.4s, gradientShift 4s ease infinite 0.4s;
}

.advantage-card:nth-child(4) .advantage-icon {
    background-size: 200% 200%;
    animation: iconPulse 3s ease-in-out infinite 0.6s, gradientShift 4s ease infinite 0.6s;
}

.advantage-card:nth-child(5) .advantage-icon {
    background-size: 200% 200%;
    animation: iconPulse 3s ease-in-out infinite 0.8s, gradientShift 4s ease infinite 0.8s;
}

.advantage-card:nth-child(6) .advantage-icon {
    background-size: 200% 200%;
    animation: iconPulse 3s ease-in-out infinite 1s, gradientShift 4s ease infinite 1s;
}

/* 增强卡片的背景效果 */
.advantage-card {
    position: relative;
    overflow: hidden;
}

.advantage-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, 
        rgba(95, 95, 250, 0.1),
        rgba(255, 107, 107, 0.1),
        rgba(32, 227, 178, 0.1),
        rgba(168, 85, 247, 0.1),
        rgba(239, 68, 68, 0.1),
        rgba(6, 182, 212, 0.1)
    );
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.advantage-card:hover::after {
    opacity: 1;
}

.advantage-card h4 {
    font-size: 1.3rem;
    color: #2d3748;
    margin-bottom: 1rem;
    font-weight: 700;
    position: relative;
    transition: color 0.3s ease;
}

.advantage-card:hover h4 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.advantage-card p {
    color: #4a5568;
    line-height: 1.7;
    font-size: 0.95rem;
    margin-bottom: 0;
    position: relative;
    transition: color 0.3s ease;
    padding: 0.5rem;
}

.advantage-card:hover p {
    color: #2d3748;
}

/* 装饰背景元素 */
.advantage-card::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(95, 95, 250, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transition: all 0.6s ease;
    opacity: 0;
}

.advantage-card:hover::after {
    opacity: 1;
    bottom: -20%;
    right: -20%;
}

/* 数据高亮效果 */
.advantage-highlight {
    display: inline-block;
    color: #667eea;
    font-weight: 600;
    position: relative;
}

.advantage-highlight::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.advantage-card:hover .advantage-highlight::after {
    width: 100%;
}

/* 卡片入场动画增强 - 移除自定义动画，使用标准动画系统 */
.advantage-card {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* 卡片呼吸效果 */
.advantage-card::before {
    animation: cardGlow 3s ease-in-out infinite;
}

@keyframes cardGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(95, 95, 250, 0);
    }
    50% {
        box-shadow: 0 0 30px rgba(95, 95, 250, 0.1);
    }
}

/* 图标脉冲效果 */
.advantage-icon i {
    animation: iconPulse 2s ease-in-out infinite;
}

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

/* 悬停时停止动画 */
.advantage-card:hover .advantage-icon i {
    animation: none;
}

.advantage-feature {
    display: flex;
    align-items: flex-start;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.advantage-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(95, 95, 250, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    transition: width 0.4s ease;
}

.advantage-feature:hover::before {
    width: 100%;
}

.advantage-feature:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.advantage-feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
    position: relative;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 8px 20px rgba(95, 95, 250, 0.3);
}

.advantage-feature:hover .advantage-feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 25px rgba(95, 95, 250, 0.4);
    background: linear-gradient(135deg, #7B7BFF 0%, #667eea 100%);
}

.advantage-feature-icon::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #667eea, #764ba2, #667eea);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-feature:hover .advantage-feature-icon::after {
    opacity: 1;
}

.advantage-feature-content h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.advantage-feature:hover .advantage-feature-content h4 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.advantage-feature-content p {
    color: #666;
    line-height: 1.6;
    margin: 0;
    transition: color 0.3s ease;
}

.advantage-feature:hover .advantage-feature-content p {
    color: #4a5568;
}

/* CTA Section Enhancements */
.cta-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.cta-features span {
    background: rgba(95, 95, 250, 0.1);
    color: #667eea;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.cta-features span i {
    margin-right: 0.3rem;
    color: #667eea;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

/* Footer 列布局优化 */
.footer .row > div {
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .footer .row > div {
        margin-bottom: 0;
    }
}

/* Footer 内容居中和间距 */
.footer-brand {
    margin-bottom: 2rem;
}

.footer-links {
    margin-bottom: 2rem;
}

.footer-links:last-child {
    margin-bottom: 0;
}

/* Footer 标题样式 */
.footer-links h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #fff;
}

.footer-brand h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
    display: flex;
    align-items: center;
}

.footer-brand h4 img {
    margin-right: 10px;
    transition: all 0.3s ease;
}

.footer-brand:hover h4 img {
    transform: scale(1.05);
}

.footer-brand p {
    color: #bdc3c7;
    margin-bottom: 1.5rem;
}

/* 二维码链接样式 */
.qrcode-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: center;
}

/* 在移动端保持居中 */
@media (max-width: 767.98px) {
    .qrcode-links {
        justify-content: center;
    }
}

.qrcode-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 8px;
}

.qrcode-item:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.05);
}

.qrcode-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.qrcode-item:hover .qrcode-image {
    border-color: #667eea;
    box-shadow: 0 4px 15px rgba(95, 95, 250, 0.3);
}

.qrcode-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.qrcode-item span {
    font-size: 0.75rem;
    color: #bdc3c7;
    text-align: center;
    transition: color 0.3s ease;
}

.qrcode-item:hover span {
    color: #667eea;
}

.footer-links h5 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: #667eea;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    margin-top: 2rem;
    padding-top: 2rem;
}

.footer-bottom-links {
    text-align: right;
}

.footer-bottom-links a {
    color: #bdc3c7;
    text-decoration: none;
    margin-left: 1rem;
    transition: color 0.3s ease;
}

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

/* Footer底部版权和备案号同行样式 */
.footer-copyright {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
}

.copyright-text {
    color: #bdc3c7;
}

.footer-beian {
    margin: 0; /* 移除之前的margin-top */
}

.footer-beian a {
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-beian a:hover {
    color: #667eea;
    transform: translateY(-1px);
}

.footer-beian i {
    font-size: 0.8rem;
}

/* 响应式处理：小屏幕时换行显示 */
@media (max-width: 576px) {
    .footer-copyright {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* 二维码模态框样式 */
.qrcode-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.qrcode-modal.active {
    opacity: 1;
    visibility: visible;
}

.qrcode-modal.active .modal-overlay {
    background: rgba(0, 0, 0, 0.75);
}

.qrcode-modal .modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: white;
    border-radius: 12px;
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.qrcode-modal.active .modal-content {
    transform: translate(-50%, -50%) scale(1);
}

.qrcode-large {
    text-align: center;
    padding: 2rem 2rem 1rem;
}

.qrcode-large img {
    width: 200px;
    height: 200px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 10px;
    background: white;
}

.qrcode-description {
    text-align: center;
    padding: 1rem 2rem 2rem;
}

.qrcode-description p {
    color: #666;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-info li {
    color: #bdc3c7;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
}

.contact-info li i {
    color: #667eea;
    margin-right: 0.5rem;
    flex-shrink: 0;
}



/* 联系我们弹窗 */
.contact-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-modal.active .modal-overlay {
    background: rgba(0, 0, 0, 0.75);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -45%) scale(0.9);
    background: linear-gradient(145deg, #ffffff 0%, #fafbfc 100%);
    border-radius: 24px;
    width: 90%;
    max-width: 680px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.2),
        0 10px 30px rgba(95, 95, 250, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
}

.contact-modal.active .modal-content {
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    padding: 2.5rem 2.5rem 1.5rem;
    border-bottom: 1px solid rgba(233, 236, 239, 0.6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, rgba(95, 95, 250, 0.03) 0%, rgba(118, 75, 162, 0.03) 100%);
    border-radius: 24px 24px 0 0;
}

.modal-header h3 {
    margin: 0;
    color: #2d3748;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.close-btn {
    background: linear-gradient(145deg, #f7fafc 0%, #e2e8f0 100%);
    border: 1px solid rgba(226, 232, 240, 0.8);
    font-size: 1.3rem;
    color: #64748b;
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.close-btn:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    transform: rotate(90deg) scale(1.05);
    box-shadow: 0 8px 20px rgba(95, 95, 250, 0.3);
}

.modal-body {
    padding: 2rem 2.5rem 2.5rem;
}

.contact-intro {
    text-align: center;
    margin-bottom: 3rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(95, 95, 250, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 16px;
    border: 1px solid rgba(95, 95, 250, 0.1);
}

.contact-intro p {
    color: #4a5568;
    font-size: 1.2rem;
    margin: 0;
    line-height: 1.7;
    font-weight: 500;
}

.contact-qr-codes {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.qr-item {
    text-align: center;
    flex: 1;
    min-width: 220px;
    max-width: 280px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.qr-code-container {
    position: relative;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 1.5rem;
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.08),
        0 5px 15px rgba(95, 95, 250, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.6);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    overflow: hidden;
}

.qr-code-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.qr-code-container:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(95, 95, 250, 0.2),
        0 10px 25px rgba(118, 75, 162, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border-color: rgba(95, 95, 250, 0.3);
}

.qr-code-container:hover::before {
    transform: translateX(0);
}

.qr-code-container img {
    width: 160px;
    height: 160px;
    display: block;
    border-radius: 12px;
    transition: all 0.4s ease;
}

.qr-code-container:hover img {
    transform: scale(1.05);
}

.qr-code-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: linear-gradient(135deg, rgba(95, 95, 250, 0.95) 0%, rgba(118, 75, 162, 0.95) 100%);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.4rem;
    box-shadow: 0 8px 20px rgba(95, 95, 250, 0.4);
}

.qr-code-container:hover .qr-code-overlay {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.qr-item h5 {
    color: #2d3748;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    letter-spacing: -0.01em;
}

.qr-item p {
    color: #667eea;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.qr-item small {
    color: #718096;
    font-size: 0.95rem;
    font-weight: 500;
}

.contact-alternatives {
    background: linear-gradient(135deg, rgba(248, 249, 250, 0.8) 0%, rgba(241, 245, 249, 0.8) 100%);
    border-radius: 16px;
    padding: 2rem;
    margin-top: 2rem;
    border: 1px solid rgba(226, 232, 240, 0.6);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.2rem;
    color: #4a5568;
    padding: 0.8rem;
    background: white;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid rgba(226, 232, 240, 0.4);
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item:hover {
    background: linear-gradient(135deg, rgba(95, 95, 250, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    transform: translateX(5px);
    border-color: rgba(95, 95, 250, 0.2);
    box-shadow: 0 4px 12px rgba(95, 95, 250, 0.1);
}

.contact-item i {
    color: #667eea;
    margin-right: 1.2rem;
    font-size: 1.3rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item span {
    font-weight: 500;
    font-size: 1.05rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translate(-50%, -45%) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
}

/* 添加微交互动画 */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

.qr-code-container {
    background-size: 200% auto;
}

.qr-code-container:hover {
    animation: shimmer 2s linear infinite;
}

/* 响应式设计 - 联系弹窗优化 */
@media (max-width: 768px) {
    /* 联系弹窗响应式 */
    .modal-content {
        width: 95%;
        margin: 20px;
        max-height: 90vh;
        border-radius: 20px;
    }
    
    .modal-header {
        padding: 2rem 2rem 1.5rem;
        border-radius: 20px 20px 0 0;
    }
    
    .modal-header h3 {
        font-size: 1.6rem;
    }
    
    .close-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .modal-body {
        padding: 1.5rem 2rem 2rem;
    }
    
    .contact-intro {
        padding: 1.2rem;
        margin-bottom: 2rem;
    }
    
    .contact-intro p {
        font-size: 1.1rem;
    }
    
    .contact-qr-codes {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }
    
    .qr-item {
        max-width: 100%;
        min-width: auto;
        width: 100%;
        max-width: 300px;
    }
    
    .qr-code-container {
        padding: 15px;
        margin-bottom: 1.2rem;
    }
    
    .qr-code-container img {
        width: 140px;
        height: 140px;
    }
    
    .qr-code-overlay {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .qr-item h5 {
        font-size: 1.1rem;
    }
    
    .qr-item p {
        font-size: 1rem;
    }
    
    .qr-item small {
        font-size: 0.85rem;
    }
    
    .contact-alternatives {
        padding: 1.5rem;
        margin-top: 1.5rem;
    }
    
    .contact-item {
        padding: 0.6rem;
        margin-bottom: 1rem;
    }
    
    .contact-item i {
        margin-right: 1rem;
        font-size: 1.1rem;
        width: 20px;
    }
    
    .contact-item span {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .modal-content {
        width: 95%;
        margin: 10px;
        max-height: 92vh;
        border-radius: 18px;
    }
    
    .modal-header {
        padding: 1.5rem 1.5rem 1rem;
        border-radius: 18px 18px 0 0;
    }
    
    .modal-header h3 {
        font-size: 1.4rem;
    }
    
    .close-btn {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }
    
    .modal-body {
        padding: 1.2rem 1.5rem 1.5rem;
    }
    
    .contact-intro {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .contact-intro p {
        font-size: 1rem;
    }
    
    .contact-qr-codes {
        gap: 1.5rem;
    }
    
    .qr-item {
        max-width: 280px;
    }
    
    .qr-code-container {
        padding: 12px;
        margin-bottom: 1rem;
    }
    
    .qr-code-container img {
        width: 120px;
        height: 120px;
    }
    
    .qr-code-overlay {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .qr-item h5 {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }
    
    .qr-item p {
        font-size: 0.9rem;
    }
    
    .qr-item small {
        font-size: 0.8rem;
    }
    
    .contact-alternatives {
        padding: 1.2rem;
        margin-top: 1.2rem;
    }
    
    .contact-item {
        padding: 0.5rem;
        margin-bottom: 0.8rem;
    }
    
    .contact-item i {
        margin-right: 0.8rem;
        font-size: 1rem;
        width: 18px;
    }
    
    .contact-item span {
        font-size: 0.95rem;
    }
}

/* 按钮样式 */
.btn {
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(95, 95, 250, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(95, 95, 250, 0.4);
    background: linear-gradient(135deg, #7B7BFF 0%, #667eea 100%);
}

.btn-outline-light {
    border: 2px solid white;
    color: white;
}

.btn-outline-light:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
}

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

.btn-outline-primary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        height: 100vh;
        min-height: 600px;
    }
    
    /* 平台优势模块响应式优化 */
    .platform-advantages-section {
        padding: 60px 0;
    }
    
    .advantage-card {
        padding: 2rem 1.5rem;
        margin-bottom: 1.5rem;
        border-radius: 15px;
    }
    
    .advantage-icon svg {
        width: 60px !important;
        height: 60px !important;
    }
    
    .advantage-icon {
        width: 70px !important;
        height: 70px !important;
        margin: 0 auto 1.5rem !important;
    }
    
    .advantage-card h4 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .advantage-card p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .platform-advantages-section {
        padding: 60px 0;
    }
    
    .platform-advantages-section .section-header {
        margin-bottom: 40px;
    }
    
    .advantage-card {
        padding: 25px 20px;
        margin-bottom: 25px;
    }
    
    .advantage-card:hover {
        transform: translateY(-3px);
    }
    
    .advantage-icon svg {
        width: 45px;
        height: 45px;
    }
    
    .advantage-icon {
        width: 60px !important;
        height: 60px !important;
        margin: 0 auto 1.2rem !important;
    }
    
    .advantage-card h4 {
        font-size: 1.3rem;
    }
}
    
    .carousel-slide::before {
        background: rgba(0, 0, 0, 0.5);
    }
    
    .hero-content {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 3.2rem;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 200px;
        padding: 10px 20px;
        height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .navbar-nav {
        text-align: center;
    }
    
    .video-group-wrapper {
        padding: 0 50px;
        margin: 0 -10px;
    }
    
    .video-nav-left {
        left: 5px;
    }
    
    .video-nav-right {
        right: 5px;
    }
    
    .video-nav-btn {
        width: 35px;
        height: 35px;
        font-size: 0.8rem;
    }
    
    /* 平台优势响应式优化 */
    .platform-advantages-section {
        padding: 80px 0;
    }
    
    .platform-advantages-section .section-header {
        margin-bottom: 60px;
    }
    
    .advantage-card {
        padding: 30px 20px;
        margin-bottom: 30px;
        text-align: center;
    }
    
    .advantage-card:hover {
        transform: translateY(-5px);
    }
    
    .advantage-icon {
        margin-bottom: 20px;
        justify-content: center;
        width: 65px !important;
        height: 65px !important;
    }
    
    .advantage-icon svg {
        width: 50px;
        height: 50px;
    }
    
    .advantage-card h4 {
        font-size: 1.5rem;
        text-align: center;
    }
    
    .advantage-card:hover h4 {
        transform: none;
    }
    
    .advantage-card p {
        text-align: center;
    }
    
    .advantage-feature-icon {
        width: 50px !important;
        height: 50px !important;
        margin-right: 1rem !important;
        font-size: 1.2rem !important;
    }
    
    .advantage-feature-content h4 {
        font-size: 1rem !important;
        margin-bottom: 0.4rem !important;
    }
    
    .advantage-feature-content p {
        font-size: 0.85rem !important;
        line-height: 1.4 !important;
    }
}
    
    .footer-bottom-links {
        text-align: left;
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        height: 100vh;
        min-height: 500px;
    }
    
    /* 超小屏幕优化 */
    .platform-advantages-section {
        padding: 40px 0;
    }
    
    .advantage-card {
        padding: 1.5rem 1rem;
        margin-bottom: 1rem;
    }
    
    .advantage-icon svg {
        width: 50px !important;
        height: 50px !important;
    }
    
    .advantage-icon {
        width: 60px !important;
        height: 60px !important;
        margin: 0 auto 1rem !important;
    }
    
    .advantage-card h4 {
        font-size: 1.1rem;
    }
    
    .advantage-card p {
        font-size: 0.85rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
}
    
    .carousel-slide::before {
        background: rgba(0, 0, 0, 0.6);
    }
    
    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 0.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
        margin-bottom: 1.2rem;
    }
    
    .hero-buttons .btn {
        width: 180px;
        font-size: 0.9rem;
        padding: 8px 16px;
        height: 40px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .feature-card,
    .cta-card {
        padding: 1.5rem;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
    
    .video-group-wrapper {
        padding: 0 40px;
        margin: 0 -5px;
    }
    
    .video-nav-left {
        left: 0;
    }
    
    .video-nav-right {
        right: 0;
    }
    
    .video-nav-btn {
        width: 30px;
        height: 30px;
        font-size: 0.7rem;
        border-width: 1px;
    }
    
    /* Platform Advantages 超小屏优化 */
    .platform-advantages-section {
        padding: 40px 0 !important;
    }
    
    .advantage-card {
        padding: 1.5rem 1rem !important;
        margin-bottom: 1rem !important;
    }
    
    .advantage-icon {
        width: 50px !important;
        height: 50px !important;
        margin: 0 auto 1rem !important;
        font-size: 1.2rem !important;
    }
    
    .advantage-icon svg {
        width: 35px !important;
        height: 35px !important;
    }
    
    .advantage-card h4 {
        font-size: 1rem !important;
        margin-bottom: 0.6rem !important;
    }
    
    .advantage-card p {
        font-size: 0.85rem !important;
        line-height: 1.4 !important;
    }
    
    .advantage-highlight {
        font-size: 0.9rem !important;
    }
    
    .advantage-feature {
        padding: 1rem !important;
        margin-bottom: 1rem !important;
        flex-direction: column !important;
        text-align: center !important;
    }
    
    .advantage-feature-icon {
        width: 45px !important;
        height: 45px !important;
        margin-right: 0 !important;
        margin-bottom: 1rem !important;
        font-size: 1.1rem !important;
    }
    
    .advantage-feature-content h4 {
        font-size: 0.95rem !important;
        margin-bottom: 0.3rem !important;
    }
    
    .advantage-feature-content p {
        font-size: 0.8rem !important;
        line-height: 1.3 !important;
    }
    
    .section-title {
        font-size: 1.8rem !important;
    }
    
    .section-subtitle {
        font-size: 1rem !important;
    }
}
}