/* 现代化软件开发公司官网样式 */

/* 全局样式 */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 10px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar.navbar-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--box-shadow);
}

.navbar-brand img {
    transition: var(--transition);
}

/* 城市信息样式 */
.city-info {
    margin-left: 20px;
    padding: 8px 15px;
    background: rgba(0, 123, 255, 0.1);
    border-radius: 20px;
    border: 1px solid rgba(0, 123, 255, 0.2);
}

.current-city {
    color: #007bff;
    font-weight: 600;
    font-size: 14px;
}

.city-list-link {
    color: #6c757d;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
}

.city-list-link:hover {
    color: #007bff;
    text-decoration: none;
}

@media (max-width: 768px) {
    .city-info {
        margin-left: 10px;
        padding: 6px 12px;
    }
    
    .current-city {
        font-size: 13px;
    }
    
    .city-list-link {
        font-size: 12px;
    }
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--dark-color) !important;
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--gradient-primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
}

/* Hero区域样式 */
.hero-section {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 200, 255, 0.3) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(-60px) rotate(240deg); }
}

.hero-slider {
    position: relative;
    height: 100vh;
}

.hero-slide {
    position: relative;
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--warning-color);
    display: block;
}

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

.hero-buttons .btn {
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

/* 浮动元素 */
.floating-elements {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 1rem;
    color: white;
    text-align: center;
    transition: var(--transition);
    animation: floatCard 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.floating-card.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    top: 10%;
    right: 20%;
    animation-delay: 1.5s;
}

.floating-card.card-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 3s;
}

.floating-card.card-4 {
    bottom: 20%;
    right: 10%;
    animation-delay: 4.5s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-arrow {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 25px;
    position: relative;
    animation: scrollBounce 2s infinite;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    transform: translateX(-50%);
    animation: scrollDot 2s infinite;
}

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes scrollDot {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0; transform: translateX(-50%) translateY(20px); }
    100% { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* 通用区域样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    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: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 3rem;
}

/* 服务卡片样式 */
.service-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: var(--transition);
    z-index: 0;
}

.service-card:hover::before {
    left: 0;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-hover);
    color: white;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    transition: var(--transition);
}

.service-icon .service-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.service-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    margin-bottom: 1.5rem;
}

.feature-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--light-color);
    color: var(--dark-color);
    border-radius: 20px;
    font-size: 0.8rem;
    margin: 0.25rem;
    transition: var(--transition);
}

.feature-tag.hot {
    background: var(--danger-color);
    color: white;
}

.feature-tag.recommend {
    background: var(--warning-color);
    color: white;
}

.feature-tag.new {
    background: var(--success-color);
    color: white;
}

.service-card:hover .feature-tag {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.service-btn {
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    transition: var(--transition);
}

.service-card:hover .service-btn {
    background: white;
    color: var(--primary-color);
    border-color: white;
}

/* 关于我们样式 */
.about-content {
    padding-right: 2rem;
}

.about-text {
    margin-bottom: 2rem;
}

.about-features {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.feature-item i {
    font-size: 1.2rem;
    margin-right: 1rem;
    width: 20px;
}

.about-buttons .btn {
    border-radius: 25px;
    padding: 0.75rem 2rem;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.experience-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: var(--box-shadow);
}

.badge-number {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
}

.badge-text {
    font-size: 0.8rem;
    opacity: 0.9;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.stat-box {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.2rem;
}

.stat-box h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-box p {
    color: var(--secondary-color);
    margin: 0;
    font-size: 0.9rem;
}

/* 新闻卡片样式 */
.news-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.news-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-date {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--border-radius);
    padding: 0.5rem;
    text-align: center;
    min-width: 60px;
}

.date-day {
    font-size: 1.2rem;
    font-weight: 700;
    display: block;
}

.date-month {
    font-size: 0.8rem;
    opacity: 0.9;
}

.news-content {
    padding: 1.5rem;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.8rem;
    color: var(--secondary-color);
}

.news-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.news-title a {
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.news-title a:hover {
    color: var(--primary-color);
}

.news-excerpt {
    color: var(--secondary-color);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.news-stats {
    font-size: 0.8rem;
    color: var(--secondary-color);
}

/* 技术标签样式 */
.tech-category {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.tech-category h5 {
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.tech-tag {
    background: var(--light-color);
    color: var(--dark-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.tech-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 联系表单样式 */
.contact-section {
    background: var(--gradient-primary);
}

.contact-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.contact-info {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    color: white;
}

.contact-item i {
    font-size: 1.5rem;
    margin-right: 1rem;
    width: 30px;
    color: var(--warning-color);
}

.contact-item h6 {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: white;
}

.contact-item p {
    margin: 0;
    opacity: 0.9;
}

.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-form .form-control {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.contact-form .form-control:focus {
    background: white;
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
}

.contact-form .btn {
    border-radius: var(--border-radius);
    padding: 0.75rem;
    font-weight: 600;
    transition: var(--transition);
}

.contact-form .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--box-shadow);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-hover);
}

/* 轮播样式优化 */
.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
    transition: var(--transition);
}

.swiper-pagination-bullet-active {
    background: white;
    transform: scale(1.2);
}

.swiper-button-next,
.swiper-button-prev {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: var(--transition);
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .floating-elements {
        display: none;
    }
    
    .about-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        margin-bottom: 2rem;
    }
}

/* 产品列表页面样式 */
.product-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(74, 144, 226, 0.9), rgba(80, 200, 120, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-actions .btn {
    border-radius: 25px;
    padding: 8px 20px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid #fff;
    background: transparent;
    color: #fff;
}

.product-actions .btn:hover {
    background: #fff;
    color: var(--primary-color);
}

.product-badges {
    position: absolute;
    top: 15px;
    left: 15px;
    z-index: 2;
}

.product-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 5px;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-badge.hot {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: #fff;
}

.product-badge.recommend {
    background: linear-gradient(45deg, #feca57, #ff9ff3);
    color: #fff;
}

.product-badge.new {
    background: linear-gradient(45deg, #48cae4, #023e8a);
    color: #fff;
}

.product-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.product-title a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-title a:hover {
    color: var(--primary-color);
}

.product-description {
    color: var(--secondary-color);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
}

.product-tags {
    margin-bottom: 1rem;
}

.product-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--light-bg);
    color: var(--secondary-color);
    text-decoration: none;
    border-radius: 15px;
    font-size: 0.75rem;
    margin-right: 8px;
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

.product-tag:hover {
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
}

.product-footer {
    margin-top: auto;
}

.product-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.product-link:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.product-link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.product-link:hover i {
    transform: translateX(5px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-image {
        height: 200px;
    }
    
    .product-content {
        padding: 1rem;
    }
    
    .product-title {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .service-card,
    .news-card,
    .tech-category {
        margin-bottom: 2rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.wow {
    visibility: hidden;
}

.wow.animated {
    visibility: visible;
}

/* 加载动画 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* 表单验证样式 */
.form-control.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
    display: block;
    color: var(--danger-color);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* 工具提示样式 */
.tooltip {
    font-size: 0.8rem;
}

.tooltip-inner {
    background: var(--dark-color);
    border-radius: var(--border-radius);
}

/* 模态框样式 */
.modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--box-shadow-hover);
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-header .close {
    color: white;
    opacity: 0.8;
}

.modal-header .close:hover {
    opacity: 1;
}

/* 按钮样式增强 */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-primary:hover {
    background: var(--gradient-primary);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

/* 卡片阴影动画 */
.card-hover-effect {
    transition: var(--transition);
}

.card-hover-effect:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: var(--box-shadow-hover);
}

/* 文字渐变效果 */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* 分割线样式 */
.divider {
    height: 2px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 1px;
    margin: 2rem 0;
}

/* 徽章样式 */
.badge-custom {
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.8rem;
}

/* 进度条样式 */
.progress {
    height: 8px;
    border-radius: 4px;
    background: var(--light-color);
}

.progress-bar {
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 1s ease;
}

/* 标签页样式 */
.nav-tabs {
    border-bottom: 2px solid var(--light-color);
}

.nav-tabs .nav-link {
    border: none;
    color: var(--secondary-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-tabs .nav-link.active {
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

/* 手风琴样式 */
.accordion .card {
    border: none;
    box-shadow: var(--box-shadow);
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
}

.accordion .card-header {
    background: var(--light-color);
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.accordion .btn-link {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
}

.accordion .btn-link:hover {
    color: var(--primary-color);
}

/* 列表样式 */
.list-unstyled-custom li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-color);
    transition: var(--transition);
}

.list-unstyled-custom li:hover {
    padding-left: 1rem;
    color: var(--primary-color);
}

.list-unstyled-custom li:last-child {
    border-bottom: none;
}

/* 图标样式 */
.icon-circle {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 1rem;
}

/* 时间轴样式 */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--primary-color);
}

/* 价格表样式 */
.pricing-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 2px solid var(--primary-color);
}

.pricing-card.featured::before {
    content: '推荐';
    position: absolute;
    top: 1rem;
    right: -2rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 3rem;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-hover);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1rem 0;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.pricing-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* 团队成员卡片 */
.team-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.team-avatar {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.team-card:hover .team-avatar {
    transform: scale(1.1);
}

.team-info {
    padding: 1.5rem;
}

.team-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.team-position {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.team-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.team-social a {
    width: 35px;
    height: 35px;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    transition: var(--transition);
}

.team-social a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 客户评价样式 */
.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    color: white;
    margin: 1rem;
}

.testimonial-content {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.author-info h6 {
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.author-info span {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* FAQ样式 */
.faq-item {
    background: white;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.faq-question {
    background: var(--light-color);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    width: 100%;
    text-align: left;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    background: var(--primary-color);
    color: white;
}

.faq-question.active {
    background: var(--primary-color);
    color: white;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer.active {
    padding: 1.5rem;
    max-height: 200px;
}

.faq-icon {
    transition: transform 0.3s ease;
}

.faq-question.active .faq-icon {
    transform: rotate(180deg);
}

/* 搜索框样式 */
.search-box {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: 1rem 3rem 1rem 1rem;
    border: 2px solid var(--light-color);
    border-radius: 25px;
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    outline: none;
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    transform: translateY(-50%) scale(1.1);
}

/* 标签云样式 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.tag-cloud .tag {
    background: var(--light-color);
    color: var(--dark-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.tag-cloud .tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    text-decoration: none;
}

/* 面包屑导航 */
.breadcrumb {
    background: transparent;
    padding: 0;
}

.breadcrumb-item {
    font-size: 0.9rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '>';
    color: var(--secondary-color);
}

.breadcrumb-item.active {
    color: var(--primary-color);
    font-weight: 500;
}

/* 分页样式 */
.pagination {
    justify-content: center;
}

.page-link {
    border: none;
    color: var(--secondary-color);
    padding: 0.75rem 1rem;
    margin: 0 0.25rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.page-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.page-item.active .page-link {
    background: var(--gradient-primary);
    border: none;
    color: white;
}

/* 警告框样式 */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    border-left: 4px solid;
}

.alert-primary {
    background: rgba(0, 123, 255, 0.1);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border-left-color: var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border-left-color: var(--warning-color);
    color: #856404;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    border-left-color: var(--danger-color);
    color: var(--danger-color);
}

/* 代码块样式 */
code {
    background: var(--light-color);
    color: var(--danger-color);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
}

pre {
    background: var(--dark-color);
    color: var(--light-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
}

pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

/* 表格样式 */
.table {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.table thead th {
    background: var(--gradient-primary);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: var(--light-color);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1rem;
    border-color: var(--light-color);
}

/* 图片样式 */
.img-hover-zoom {
    overflow: hidden;
    border-radius: var(--border-radius);
}

.img-hover-zoom img {
    transition: var(--transition);
}

.img-hover-zoom:hover img {
    transform: scale(1.1);
}

/* 视频样式 */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius);
}

/* 地图样式 */
.map-wrapper {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    height: 400px;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* 社交媒体按钮 */
.social-share {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
}

.social-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-btn:hover {
    transform: translateY(-3px) scale(1.1);
    text-decoration: none;
    color: white;
}

.social-btn.facebook {
    background: #3b5998;
}

.social-btn.twitter {
    background: #1da1f2;
}

.social-btn.linkedin {
    background: #0077b5;
}

.social-btn.wechat {
    background: #07c160;
}

.social-btn.weibo {
    background: #e6162d;
}

/* 打印样式 */
@media print {
    .navbar,
    .back-to-top,
    .contact-section,
    .swiper-button-next,
    .swiper-button-prev,
    .swiper-pagination {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero-section {
        min-height: auto;
        page-break-after: always;
    }
    
    .section-title {
        color: black !important;
    }
}

/* 无障碍访问 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 焦点样式 */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus,
.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0056b3;
        --secondary-color: #495057;
        --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }
    
    .hero-background {
        background: linear-gradient(135deg, #0056b3 0%, #003d82 100%);
    }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-card,
    .hero-particles {
        animation: none !important;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --light-color: #2d3748;
        --dark-color: #f7fafc;
        --secondary-color: #a0aec0;
    }
    
    body {
        background: #1a202c;
        color: var(--dark-color);
    }
    
    .service-card,
    .news-card,
    .tech-category,
    .about-section {
        background: #2d3748;
        color: var(--dark-color);
    }
    
    .navbar {
        background: rgba(45, 55, 72, 0.95);
    }
    
    .navbar-nav .nav-link {
        color: var(--dark-color) !important;
    }
}

/* 性能优化 */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

/* GPU加速 */
.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* 图片懒加载 */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy-load.loaded {
    opacity: 1;
}

/* 内容骨架屏 */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

.skeleton-title {
    height: 2rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.skeleton-image {
    height: 200px;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
}

/* 错误页面样式 */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--gradient-primary);
    color: white;
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.error-message {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.error-actions .btn {
    margin: 0.5rem;
}

/* 成功页面样式 */
.success-page {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.success-icon {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.success-message {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

/* 维护页面样式 */
.maintenance-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--gradient-secondary);
    color: white;
}

.maintenance-icon {
    font-size: 4rem;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.maintenance-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.maintenance-message {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* 即将推出页面样式 */
.coming-soon-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--gradient-success);
    color: white;
}

.countdown {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin: 2rem 0;
}

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

.countdown-number {
    font-size: 3rem;
    font-weight: 700;
    display: block;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 1rem;
    min-width: 80px;
}

.countdown-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

/* 通知样式 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-hover);
    padding: 1rem 1.5rem;
    max-width: 300px;
    z-index: 1050;
    transform: translateX(100%);
    transition: var(--transition);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left: 4px solid var(--success-color);
}

.notification.error {
    border-left: 4px solid var(--danger-color);
}

.notification.warning {
    border-left: 4px solid var(--warning-color);
}

.notification.info {
    border-left: 4px solid var(--info-color);
}

.notification-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition);
}

.notification-close:hover {
    color: var(--dark-color);
}

/* Cookie同意条样式 */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark-color);
    color: white;
    padding: 1rem;
    z-index: 1060;
    transform: translateY(100%);
    transition: var(--transition);
}

.cookie-consent.show {
    transform: translateY(0);
}

.cookie-consent-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-consent-text {
    flex: 1;
    margin-right: 2rem;
}

.cookie-consent-buttons {
    display: flex;
    gap: 1rem;
}

.cookie-consent .btn {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* 加载更多按钮 */
.load-more {
    text-align: center;
    margin: 3rem 0;
}

.load-more .btn {
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.load-more .btn.loading {
    color: transparent;
}

.load-more .btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* 筛选器样式 */
.filter-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-tab {
    background: var(--light-color);
    color: var(--dark-color);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
}

/* 统计数字动画 */
.counter {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* 图片画廊 */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--box-shadow-hover);
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay .btn {
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 响应式图片 */
.responsive-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* 文本截断 */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 工具提示增强 */
.tooltip-custom {
    position: relative;
    cursor: help;
}

.tooltip-custom::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.tooltip-custom::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--dark-color);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.tooltip-custom:hover::before,
.tooltip-custom:hover::after {
    opacity: 1;
    visibility: visible;
}

/* 下拉菜单增强 */
.dropdown-menu {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-hover);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--primary-color);
    color: white;
}

/* 侧边栏样式 */
.sidebar {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-color);
}

.sidebar-list {
    list-style: none;
    padding: 0;
}

.sidebar-list li {
    margin-bottom: 0.75rem;
}

.sidebar-list a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 0.5rem 0;
}

.sidebar-list a:hover {
    color: var(--primary-color);
    padding-left: 1rem;
    text-decoration: none;
}

/* 内容区域 */
.content-area {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.content-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--light-color);
}

.content-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.content-meta {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.content-body {
    line-height: 1.8;
}

.content-body h2,
.content-body h3,
.content-body h4 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.content-body p {
    margin-bottom: 1.5rem;
}

.content-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 1rem 0;
}

.content-body blockquote {
    background: var(--light-color);
    border-left: 4px solid var(--primary-color);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-style: italic;
}

/* 相关文章 */
.related-posts {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-top: 3rem;
}

.related-posts h4 {
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.related-post {
    display: flex;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.related-post:last-child {
    border-bottom: none;
}

.related-post:hover {
    background: white;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin: 0 -1rem;
}

.related-post-image {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-right: 1rem;
}

.related-post-content h6 {
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.related-post-content p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--secondary-color);
}

/* 分享按钮 */
.share-buttons {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--light-color);
    border-bottom: 1px solid var(--light-color);
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    color: white;
    font-size: 0.9rem;
    transition: var(--transition);
}

.share-btn:hover {
    transform: translateY(-2px);
    text-decoration: none;
    color: white;
}

.share-btn.facebook {
    background: #3b5998;
}

.share-btn.twitter {
    background: #1da1f2;
}

.share-btn.linkedin {
    background: #0077b5;
}

.share-btn.wechat {
    background: #07c160;
}

/* 评论区域 */
.comments-section {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    margin-top: 2rem;
}

.comments-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.comment {
    display: flex;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--light-color);
}

.comment:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.comment-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 1rem;
    object-fit: cover;
}

.comment-content {
    flex: 1;
}

.comment-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.comment-author {
    font-weight: 600;
    margin-right: 1rem;
    color: var(--dark-color);
}

.comment-date {
    font-size: 0.8rem;
    color: var(--secondary-color);
}

.comment-text {
    line-height: 1.6;
    margin-bottom: 1rem;
}

.comment-actions {
    display: flex;
    gap: 1rem;
}

.comment-action {
    background: none;
    border: none;
    color: var(--secondary-color);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.comment-action:hover {
    color: var(--primary-color);
}

/* 评论表单 */
.comment-form {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-top: 2rem;
}

.comment-form h5 {
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.comment-form .form-control {
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.comment-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.comment-form textarea {
    min-height: 120px;
    resize: vertical;
}

/* 页脚样式 */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

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

.footer-section h5 {
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
    text-decoration: none;
    padding-left: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

/* 最终的响应式调整 */
@media (max-width: 992px) {
    .hero-stats {
        justify-content: center;
    }
    
    .floating-elements {
        height: 200px;
    }
    
    .floating-card {
        font-size: 0.8rem;
        padding: 0.75rem;
    }
}

@media (max-width: 768px) {
    .cookie-consent-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-consent-text {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .gallery {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .sidebar {
        position: static;
        margin-bottom: 2rem;
    }
    
    .comment {
        flex-direction: column;
    }
    
    .comment-avatar {
        align-self: flex-start;
        margin-bottom: 1rem;
    }
    
    .share-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 1rem;
    }
    
    .countdown {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .countdown-number {
        font-size: 2rem;
        min-width: 60px;
        padding: 0.75rem;
    }
    
    .notification {
        left: 10px;
        right: 10px;
        max-width: none;
    }
    
    .footer-social {
        flex-wrap: wrap;
    }
}

/* 最终优化 */
.container-fluid {
    padding-left: 15px;
    padding-right: 15px;
}

@media (min-width: 1400px) {
    .container,
    .container-lg,
    .container-md,
    .container-sm,
    .container-xl,
    .container-xxl {
        max-width: 1320px;
    }
}

/* 性能优化最终设置 */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* 核心优势样式 */
.core-advantages-section {
    position: relative;
    overflow: hidden;
}

.advantage-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #007bff, #6c757d);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.advantage-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.advantage-card:hover .advantage-icon::before {
    opacity: 1;
    animation: shine 0.6s ease;
}

.advantage-card h5 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 18px;
}

.advantage-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
    font-size: 14px;
}

/* 对比优势样式 */
.comparison-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.comparison-card {
    background: #fff;
    border-radius: 12px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    border-top: 3px solid var(--primary-color);
}

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

.comparison-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #007bff, #17a2b8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
}

.comparison-card h5 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 16px;
}

.comparison-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
    font-size: 13px;
}

/* 构建方式样式 */
.build-methods-section {
    background: #f8f9fa;
}

.build-method-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.build-method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.build-method-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.method-icon {
    width: 75px;
    height: 75px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #17a2b8, #007bff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff;
}

.build-method-card h5 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 17px;
}

.build-method-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
    font-size: 14px;
}

/* 四大引擎样式 */
.four-engines-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    position: relative;
}

.four-engines-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="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.3;
}

.four-engines-section .container {
    position: relative;
    z-index: 2;
}

.four-engines-section .section-title {
    color: #fff;
}

.engine-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 30px 25px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
}

.engine-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.engine-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.engine-card h5 {
    color: #fff;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 18px;
}

.engine-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0;
    font-size: 14px;
}

/* 数字化插件样式 */
.digital-plugins-section {
    background: #f8f9fa;
}

.plugin-card {
    background: #fff;
    border-radius: 12px;
    padding: 25px 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #e9ecef;
}

.plugin-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.plugin-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, #007bff, #6c757d);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
}

.plugin-card h6 {
    color: var(--text-dark);
    font-weight: 600;
    margin: 0;
    font-size: 14px;
}

.plugin-highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    padding: 30px;
    color: #fff;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.highlight-content {
    display: flex;
    align-items: center;
    gap: 25px;
}

.highlight-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

.highlight-text h5 {
    color: #fff;
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 20px;
}

.highlight-text p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    line-height: 1.6;
}

.highlight-text .btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    padding: 10px 25px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.highlight-text .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* 适用场景样式 */
.scenarios-section {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: #fff;
    position: relative;
}

.scenarios-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
}

.scenarios-section .container {
    position: relative;
    z-index: 2;
}

.scenarios-section .section-title {
    color: #fff;
}

.scenario-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 25px 15px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
}

.scenario-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.scenario-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.scenario-card h6 {
    color: #fff;
    font-weight: 600;
    margin: 0;
    font-size: 14px;
}

.scenario-highlight {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 30px;
}

.scenario-highlight .highlight-content {
    display: flex;
    align-items: center;
    gap: 25px;
}

.scenario-highlight .highlight-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.scenario-highlight .highlight-text h5 {
    color: #fff;
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 20px;
}

.scenario-highlight .highlight-text p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    line-height: 1.6;
}

/* 行业应用实例样式 */
.industry-examples-section {
    background: #f8f9fa;
}

.industry-tabs .nav-tabs {
    border: none;
    margin-bottom: 30px;
}

.industry-tabs .nav-link {
    background: #fff;
    border: 1px solid #e9ecef;
    color: var(--text-muted);
    padding: 12px 20px;
    margin: 0 5px;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 14px;
}

.industry-tabs .nav-link:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.industry-tabs .nav-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.industry-content {
    background: #fff;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.industry-content h4 {
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: 20px;
    font-size: 24px;
}

.industry-content .lead {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.value-points {
    margin-bottom: 30px;
}

.value-point {
    margin-bottom: 20px;
    padding-left: 20px;
    position: relative;
}

.value-point::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
}

.value-point h6 {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 16px;
}

.value-point p {
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
    font-size: 14px;
}

.industry-image img {
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* 动画关键帧 */
@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

/* 低代码平台响应式优化 */
@media (max-width: 768px) {
    .advantage-card,
    .comparison-card,
    .build-method-card,
    .engine-card {
        margin-bottom: 20px;
    }
    
    .highlight-content,
    .scenario-highlight .highlight-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .industry-tabs .nav-link {
        font-size: 12px;
        padding: 8px 15px;
        margin: 2px;
    }
    
    .industry-content {
        padding: 25px 20px;
    }
    
    .industry-content h4 {
        font-size: 20px;
    }
}

@media (max-width: 576px) {
    .plugin-card,
    .scenario-card {
        margin-bottom: 15px;
    }
    
    .advantage-icon,
    .engine-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .comparison-icon,
    .method-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

/* 服务卡片样式 */
.service-card-modern {
    background: #fff;
    border-radius: 15px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.service-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.service-icon-modern {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.service-icon-modern i {
    font-size: 28px;
    color: #fff;
}

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

.service-card-modern h4 {
    font-size: 20px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.3;
}

.service-card-modern p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-features-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.feature-tag {
    background: linear-gradient(135deg, #34495e 0%, #2980b9 100%);
    color: #fff;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: 500;
    display: inline-block;
    transition: all 0.3s ease;
}

.feature-tag:hover {
    transform: scale(1.05);
    box-shadow: 0 3px 10px rgba(240, 147, 251, 0.4);
}

/* 服务优势样式 */
.service-advantages {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 20px;
    padding: 40px 30px;
    margin-top: 30px;
}

.advantage-item {
    text-align: center;
    padding: 20px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    height: 100%;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.advantage-number {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1;
}

.advantage-text {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

/* 服务卡片移动端适配 */
@media (max-width: 768px) {
    .service-card-modern {
        padding: 25px 20px;
        margin-bottom: 20px;
    }
    
    .service-icon-modern {
        width: 60px;
        height: 60px;
    }
    
    .service-icon-modern i {
        font-size: 24px;
    }
    
    .service-card-modern h4 {
        font-size: 18px;
    }
    
    .service-card-modern p {
        font-size: 13px;
    }
    
    .service-advantages {
        padding: 30px 20px;
    }
    
    .advantage-item {
        padding: 15px;
        margin-bottom: 15px;
    }
    
    .advantage-number {
        font-size: 28px;
    }
    
    .advantage-text {
        font-size: 13px;
    }
}

/* 结束 */