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

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏样式 - 专业UI优化 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 1px 30px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(255, 140, 66, 0.1);
}

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

.nav-logo h2 {
    background: linear-gradient(135deg, #FF8C42 0%, #FF770F 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    font-size: 1.8rem;
    letter-spacing: -0.02em;
    position: relative;
}

.nav-logo h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #FF8C42, transparent);
    border-radius: 1px;
    opacity: 0.6;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #FF8C42;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #FF8C42;
    transition: width 0.3s ease;
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页横幅样式 - 使用新的背景图片 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('../images/company-hero-background.jpg') center center/cover no-repeat;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.2) 25%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.3) 75%,
        rgba(0, 0, 0, 0.5) 100%
    );
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        ellipse at center,
        rgba(255, 140, 66, 0.1) 0%,
        rgba(255, 140, 66, 0.05) 40%,
        transparent 70%
    );
    z-index: 1;
}

.hero .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.hero-content {
    max-width: 700px;
    z-index: 2;
    position: relative;
    padding: 3rem 2.5rem;
    background: rgba(255, 255, 255, 0.01);
    backdrop-filter: blur(4px);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 
        0 10px 20px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    white-space: nowrap;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.7;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #FF8C42 0%, #FF770F 50%, #E6550D 100%);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 10px 30px rgba(255, 140, 66, 0.4);
    backdrop-filter: blur(5px);
}

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

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

.btn-primary:hover {
    background: linear-gradient(135deg, #ff9a56 0%, #ff8c42 50%, #ff770f 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px rgba(255, 140, 66, 0.4);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(15px);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.9);
    color: #FF8C42;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 140, 66, 0.3);
}

/* 移除了原来的hero-image相关样式，现在使用背景图片 */

/* APP下载按钮样式 - 右上角定位版本 */
.app-download {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 5;
}

.download-btn {
    background: linear-gradient(135deg, #FF8C42 0%, #FF770F 50%, #E6550D 100%);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 
        0 6px 20px rgba(255, 140, 66, 0.4),
        0 3px 8px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    min-width: 130px;
    justify-content: center;
    text-transform: uppercase;
    font-family: inherit;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.download-btn:hover {
    background: linear-gradient(135deg, #ff9a56 0%, #ff8c42 50%, #ff770f 100%);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 10px 30px rgba(255, 140, 66, 0.6),
        0 6px 15px rgba(0, 0, 0, 0.2);
}

.download-btn:active {
    transform: translateY(0) scale(1.02);
    transition: all 0.1s ease;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

.download-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 25px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%, rgba(255, 255, 255, 0.08) 100%);
    pointer-events: none;
}

.download-icon {
    font-size: 1.1rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
}

.download-btn:hover .download-icon {
    transform: scale(1.15) rotate(10deg);
}

/* 通用section样式 - 增强视觉效果 */
section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

/* 添加滚动动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* 渐进增强 - 减少运动偏好用户的动画 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #FF8C42;
    margin-bottom: 1rem;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #FF8C42, #FF770F);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们样式 */
.about {
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
    min-height: 500px;
}

.about-text h3 {
    font-size: 2.2rem;
    color: #FF8C42;
    margin-bottom: 2rem;
    font-weight: 700;
    line-height: 1.3;
    position: relative;
}

.about-text h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #FF8C42, #FF770F);
    border-radius: 2px;
}

.about-text p {
    margin-bottom: 2rem;
    color: #555;
    line-height: 1.9;
    font-size: 1.1rem;
    text-align: justify;
}

.company-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    padding: 2rem 0;
    background: linear-gradient(135deg, rgba(255, 140, 66, 0.05), rgba(255, 119, 15, 0.02));
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(255, 140, 66, 0.1);
}

.stat-item {
    text-align: center;
    flex: 1;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: linear-gradient(to bottom, transparent, #FF8C42, transparent);
    opacity: 0.3;
}

.stat-item h4 {
    font-size: 3rem;
    color: #FF8C42;
    font-weight: 700;
    margin-bottom: 0.8rem;
    text-shadow: 0 2px 4px rgba(255, 140, 66, 0.2);
    transition: all 0.3s ease;
}

.stat-item:hover h4 {
    transform: scale(1.1);
    color: #FF770F;
}

.stat-item p {
    color: #666;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.5px;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.team-image-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 0 60px rgba(255, 140, 66, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.team-image-container:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.2),
        0 0 80px rgba(255, 140, 66, 0.2);
}

.team-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.4s ease;
}

.team-image-container:hover .team-image {
    transform: scale(1.05);
}

/* 移除image-overlay相关样式 */


/* 图片加载失败时的备用样式 */
.team-image:not([src]),
.team-image[src=""] {
    background: linear-gradient(135deg, #FF8C42 0%, #FF770F 50%, #E6550D 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    position: relative;
}

.team-image:not([src])::before,
.team-image[src=""]::before {
    content: '团队照片';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 产品中心样式 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2.5rem;
}

.product-card {
    position: relative;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: none;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;
}

/* 添加悬停指示器 */
.product-card .hover-indicator {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 140, 66, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 6;
    color: #FF8C42;
    font-size: 1.2rem;
    font-weight: bold;
}

.product-card:hover .hover-indicator {
    opacity: 0.8;
    background: rgba(255, 255, 255, 0.8);
    color: #FF8C42;
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 140, 66, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 添加产品卡片的微光效果 */
.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -75%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: skewX(-25deg);
    transition: left 0.7s;
    z-index: 1;
}

.product-card:hover::before {
    left: 125%;
}

.product-card.featured {
    transform: scale(1);
    box-shadow: none;
}

.product-card.featured:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: none;
}

.product-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.product-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.4s ease;
}

/* 统一产品图片定位 */
.product-card .product-bg-img {
    object-position: center 25%;
}

.product-card:hover .product-bg-img {
    transform: scale(1.02);
    filter: brightness(1.05) contrast(1.05);
}

/* 移除产品标签效果 */


/* 移除product-overlay相关样式 */

/* 移除产品卡片的精细悬停效果 */

.product-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2.5rem 2rem 2rem;
    z-index: 4;
    color: white;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.4) 40%,
        rgba(0, 0, 0, 0.1) 70%,
        transparent 100%
    );
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.product-card:hover .product-content {
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.5) 40%,
        rgba(0, 0, 0, 0.2) 70%,
        transparent 100%
    );
    padding: 3rem 2rem 2rem;
    min-height: 220px;
}

.product-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: translateY(0);
    line-height: 1.2;
}

.product-card:hover .product-content h3 {
    transform: translateY(-1px);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 2.05rem;
}

.product-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
    opacity: 0.95;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: translateY(0);
    max-width: 90%;
}

.product-card:hover .product-content p {
    opacity: 1;
    transform: translateY(0);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.product-features {
    list-style: none;
    margin-top: 1.2rem;
    opacity: 0.85;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem 1rem;
}

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

.product-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.8rem;
    font-size: 1rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: translateX(0);
    opacity: 0.9;
    line-height: 1.4;
}

.product-card:hover .product-features li {
    opacity: 1;
    transform: translateX(0);
}

.product-features li:hover {
    transform: translateX(2px);
    color: #FF8C42;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
    font-size: 1.1rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
}

.product-features li:hover::before {
    color: #FF8C42;
    transform: scale(1.1);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* 移除产品卡片的边框光效 */

/* 图片加载失败时的备用样式 */
.product-bg-img:not([src]),
.product-bg-img[src=""] {
    background: linear-gradient(135deg, #FF8C42 0%, #FF770F 50%, #E6550D 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    font-weight: bold;
}

.product-bg-img:not([src])::before,
.product-bg-img[src=""]::before {
    content: '?';
}

/* 服务领域样式 */
.services {
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-item {
    position: relative;
    height: 280px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;
}

.service-item:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.service-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

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

.service-item:hover .service-bg-img {
    transform: scale(1.05);
    filter: brightness(1.1) contrast(1.1) saturate(1.1);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
    z-index: 2;
    transition: background 0.3s ease;
}

.service-item:hover .service-overlay {
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.2) 50%,
        rgba(0, 0, 0, 0.4) 100%
    );
}

.service-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    z-index: 3;
    color: white;
    text-align: left;
}

.service-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
    transform: translateY(0);
}

.service-item:hover .service-content h3 {
    color: #fff;
    text-shadow: 0 3px 12px rgba(0, 0, 0, 0.9);
    transform: translateY(-2px);
}

.service-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.9;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
    transform: translateY(0);
}

.service-item:hover .service-content p {
    opacity: 1;
    transform: translateY(-1px);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
}

/* 添加微妙的动画效果 */
.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
    z-index: 4;
}

.service-item:hover::before {
    left: 100%;
}

/* 添加边框光效 */
.service-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(45deg, #FF8C42, #FF770F, #E6550D, #FF8C42);
    background-size: 300% 300%;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 5;
}

.service-item:hover::after {
    opacity: 1;
    animation: borderGlow 2s ease-in-out infinite;
}

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

/* 特定服务项的个性化样式 */
.service-hardware .service-overlay {
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
}

.service-ai .service-overlay {
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
}

.service-tech .service-overlay {
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
}

.service-support .service-overlay {
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
}

/* 图片加载失败时的备用样式 */
.service-bg-img:not([src]),
.service-bg-img[src=""] {
    background: linear-gradient(135deg, #FF8C42 0%, #FF770F 50%, #E6550D 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    font-weight: bold;
}

.service-bg-img:not([src])::before,
.service-bg-img[src=""]::before {
    content: '?';
}

/* 图片加载中的样式 */
.service-bg-img {
    background: #f0f0f0;
    background-image: 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; }
}

/* 联系我们样式 */
.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 140, 66, 0.1);
    border-radius: 12px;
    padding: 8px;
    transition: background-color 0.3s ease;
}

.contact-icon:hover {
    background: rgba(255, 140, 66, 0.2);
}

.contact-icon-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 6px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.contact-icon-img:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(255, 140, 66, 0.3);
}

/* 图片加载失败时的备用样式 */
.contact-icon-img:not([src]),
.contact-icon-img[src=""] {
    background: linear-gradient(135deg, #FF8C42 0%, #FF770F 50%, #E6550D 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    font-weight: bold;
}

.contact-icon-img:not([src])::before,
.contact-icon-img[src=""]::before {
    content: '?';
}

.contact-details h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #FF8C42;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #666;
    margin: 0;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c5aa0;
}

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

/* 页脚样式 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ecf0f1;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
}

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

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

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

.footer-section ul li a:hover {
    color: #FF8C42;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

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

.footer-bottom a:hover {
    color: #FF8C42;
}


/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero {
        text-align: center;
        padding: 4rem 0;
        min-height: 80vh;
    }
    
    .hero .container {
        justify-content: center;
    }
    
    .hero-content {
        max-width: 90%;
        padding: 2rem 1.5rem;
        margin: 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
        white-space: normal;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        min-height: auto;
    }
    
    .about-text h3 {
        font-size: 1.8rem;
        text-align: center;
    }
    
    .about-text h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-text p {
        font-size: 1rem;
        text-align: left;
    }
    
    .company-stats {
        flex-direction: column;
        gap: 2rem;
        padding: 1.5rem;
    }
    
    .stat-item:not(:last-child)::after {
        display: none;
    }
    
    .stat-item h4 {
        font-size: 2.5rem;
    }
    
    .team-image-container {
        height: 300px;
        max-width: 100%;
    }
    
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-card.featured {
        transform: none;
    }
    
    .product-card {
        height: 400px;
    }
    
    .product-content {
        padding: 2rem 1.5rem 1.5rem;
        min-height: 180px;
    }
    
    .product-content h3 {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }
    
    .product-content p {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
    
    .product-features {
        grid-template-columns: 1fr;
        gap: 0.3rem 0;
        margin-top: 1rem;
    }
    
    .product-features li {
        font-size: 0.9rem;
        padding: 0.3rem 0;
        padding-left: 1.5rem;
    }
    
    .hover-indicator {
        width: 35px !important;
        height: 35px !important;
        top: 15px !important;
        right: 15px !important;
        font-size: 1rem !important;
    }
    
    .product-card.featured::after {
        top: 15px;
        left: 15px;
        padding: 0.4rem 0.8rem;
        font-size: 0.7rem;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-icon {
        width: 45px;
        height: 45px;
        padding: 6px;
    }
    
    .contact-icon-img {
        width: 28px;
        height: 28px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-item {
        height: 250px;
    }
    
    .service-content {
        padding: 1.5rem;
    }
    
    .service-content h3 {
        font-size: 1.3rem;
    }
    
    .service-content p {
        font-size: 0.9rem;
    }
    
    .app-download {
        top: 15px;
        right: 15px;
    }
    
    .download-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.8rem;
        min-width: 110px;
        border-radius: 20px;
        gap: 0.5rem;
    }
    
    .download-icon {
        font-size: 1rem;
    }
}