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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    overflow-x: hidden;
    background: #f8fafc;
}

/* 全局渐变背景 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    opacity: 0.02;
    z-index: -1;
    pointer-events: none;
}

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

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.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, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 0;
    letter-spacing: 0.01em;
}

.nav-link:hover {
    color: #667eea;
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 1px;
}

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

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

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

/* 首页横幅 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.8;
}

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

.btn {
    display: inline-block;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    font-size: 1rem;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* 通用区块样式 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.8rem;
    background: linear-gradient(135deg, #2c3e50, #667eea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.section-header p {
    font-size: 1.2rem;
    color: #718096;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

/* 关于我们 */
.about {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f1f5f9 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.about-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-item:hover::before {
    opacity: 1;
}

.stat-item:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.1),
        0 3px 12px rgba(102, 126, 234, 0.08);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 1.1rem;
    color: #4a5568;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* 服务项目 */
.services {
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 70% 30%, rgba(102, 126, 234, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 30% 70%, rgba(240, 147, 251, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

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

.service-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02), rgba(118, 75, 162, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.1),
        0 3px 15px rgba(102, 126, 234, 0.08);
}

.service-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 2.2rem;
    color: white;
    box-shadow: 
        0 10px 25px rgba(102, 126, 234, 0.25),
        0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.service-card h3 {
    font-size: 1.6rem;
    color: #2c3e50;
    margin-bottom: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}

.service-card p {
    color: #4a5568;
    line-height: 1.7;
    font-size: 1.05rem;
    position: relative;
    z-index: 1;
}

/* 项目案例 */
.projects {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 50%, #f8fafc 100%);
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 75%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 25%, rgba(118, 75, 162, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02), rgba(240, 147, 251, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.project-card:hover::before {
    opacity: 1;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.1),
        0 3px 15px rgba(102, 126, 234, 0.08);
}

.project-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.03);
}

.project-content {
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.project-content h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.project-status {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-content p {
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.feature-tag {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(240, 147, 251, 0.1));
    color: #667eea;
    padding: 0.4rem 1rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(102, 126, 234, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-tag:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(240, 147, 251, 0.15));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

/* 项目案例中的链接样式 */
.project-content .project-link {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    font-weight: 700;
    margin-right: 1.5rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.project-content .project-link::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.project-content .project-link:hover::before {
    width: 100%;
}

.project-content .project-link:hover {
    transform: translateX(4px);
}

/* 团队介绍 */
.team {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.team::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 80% 20%, rgba(102, 126, 234, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(240, 147, 251, 0.02) 0%, transparent 50%);
    pointer-events: none;
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.team-member {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02), rgba(240, 147, 251, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.team-member:hover::before {
    opacity: 1;
}

.team-member:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.1),
        0 3px 12px rgba(102, 126, 234, 0.08);
}

.member-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 2rem;
    border: 4px solid transparent;
    background: linear-gradient(135deg, #667eea, #764ba2) padding-box,
                linear-gradient(135deg, #667eea, #764ba2) border-box;
    box-shadow: 
        0 10px 25px rgba(102, 126, 234, 0.15),
        0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

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

.member-info h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}

.member-role {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    margin-bottom: 1.2rem;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    position: relative;
    z-index: 1;
}

.member-description {
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 1.8rem;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

.member-link {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    font-weight: 700;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.member-link::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.member-link:hover::before {
    width: 100%;
}

.member-link:hover {
    transform: translateY(-1px);
}

/* 联系我们 */
.contact {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 50%, #f8fafc 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(240, 147, 251, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
    box-shadow: 
        0 8px 20px rgba(102, 126, 234, 0.2),
        0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.contact-details h4 {
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.contact-details p {
    color: #4a5568;
    line-height: 1.7;
    font-size: 1.05rem;
}

.qr-codes {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    align-items: flex-start;
}

.qr-item {
    text-align: center;
    flex: 0 0 auto;
}

.qr-item img {
    width: 160px;
    height: 160px;
    border-radius: 12px;
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.04);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.6);
    object-fit: cover;
}

.qr-item img:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 12px 30px rgba(0, 0, 0, 0.12),
        0 4px 12px rgba(102, 126, 234, 0.06);
}

.qr-item p {
    color: #4a5568;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    margin: 0;
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #2c3e50 100%);
    color: white;
    padding: 3rem 0 1rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(240, 147, 251, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

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

.footer-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    align-items: flex-start;
}

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

.footer-company {
    text-align: center;
    width: 100%;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-company h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.footer-company p {
    font-size: 1.1rem;
    color: #cbd5e0;
    margin: 0;
    opacity: 0.9;
}

.footer-row:nth-child(2) {
    gap: 2rem;
    margin-top: 2rem;
    justify-content: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.footer-row:nth-child(2) .footer-section {
    flex: 0 1 300px;
    text-align: center;
}

.footer-row:nth-child(3) {
    margin-top: 2rem;
    justify-content: center;
}

.footer-projects {
    text-align: center;
    width: 1200px;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-projects h4 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #667eea, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    border-bottom: 2px solid;
    border-image: linear-gradient(135deg, #667eea, #f093fb) 1;
    padding-bottom: 0.5rem;
    display: inline-block;
}

.project-links {
    width: 1000px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

/* 页脚中的项目链接样式 */
.footer .project-link {
    color: #e2e8f0;
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 8px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.05);
}

.footer .project-link:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(240, 147, 251, 0.2));
    border-color: rgba(102, 126, 234, 0.6);
    color: white;
    transform: translateY(-3px);
    box-shadow: 
        0 8px 25px rgba(102, 126, 234, 0.3),
        0 3px 10px rgba(0, 0, 0, 0.2);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
    color: #3498db;
    font-weight: 600;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
    display: inline-block;
}

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

.footer-section li {
    padding: 0.4rem 0;
    color: #ecf0f1;
    transition: color 0.3s ease;
    position: relative;
    padding-left: 1rem;
}

.footer-section li:hover {
    color: #3498db;
    cursor: default;
}

.footer-section p {
    color: #ecf0f1;
    margin: 0.5rem 0;
    line-height: 1.6;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #3498db;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
}

/* 移除不必要的动画效果，保持企业官网的正式感 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .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;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .qr-codes {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .projects-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .footer {
        padding: 2rem 1rem;
    }

    .footer-content {
        gap: 2rem;
    }

    .footer-row {
        flex-direction: column;
        gap: 2rem;
        margin-bottom: 2rem;
    }

    .footer-row:nth-child(2) {
        gap: 2rem;
        margin-top: 1.5rem;
        max-width: none;
    }

    .footer-row:nth-child(2) .footer-section {
        flex: 1;
        text-align: left;
    }

    .footer-row:nth-child(3) {
        margin-top: 1.5rem;
    }

    .footer-company {
        padding-bottom: 1.5rem;
        margin-bottom: 1rem;
    }

    .footer-company h3 {
        font-size: 1.5rem;
    }

    .footer-company p {
        font-size: 1rem;
    }

    .footer-section h3,
    .footer-section h4 {
        font-size: 1.2rem;
    }

    .footer-section p,
    .footer-section li {
        font-size: 0.9rem;
    }

    .project-links {
        gap: 1rem;
    }

    .project-link {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }

    .qr-item img {
        width: 120px;
        height: 120px;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .service-card,
    .project-card,
    .team-member {
        padding: 1.5rem;
    }

    section {
        padding: 60px 0;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #3498db;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}
/* 图片预览相关样式 */
.project-image {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    border-radius: 8px;
}

.project-image:hover .image-overlay {
    opacity: 1;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-overlay i {
    color: white;
    font-size: 24px;
}

/* 图片预览模态框 */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    height: 90%;
    margin: 5% auto;
    display: flex;
    flex-direction: column;
}

.close-btn {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
}

.close-btn:hover {
    color: #ccc;
}

.image-container {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

#modalImage {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.image-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 24px;
    padding: 15px 20px;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.3s ease;
    pointer-events: auto;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.4);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.image-info {
    text-align: center;
    color: white;
    padding: 20px 0;
    font-size: 16px;
}

#imageCounter {
    margin-right: 20px;
    opacity: 0.8;
}

#imageTitle {
    font-weight: bold;
}

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

/* 二维码样式 */
.qr-codes {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

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

/* 页脚布局样式 */
.footer-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

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

.footer-company {
    text-align: center;
    width: 100%;
}

.footer-row:nth-child(2) {
    gap: 50px;
}

.footer-row:nth-child(2) .footer-section {
    flex: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        height: 95%;
        margin: 2.5% auto;
    }

    .nav-btn {
        font-size: 20px;
        padding: 12px 16px;
    }

    .close-btn {
        font-size: 30px;
        top: -35px;
    }

    .qr-codes {
        gap: 1.5rem;
        flex-direction: column;
        align-items: center;
    }

    .qr-item img {
        width: 140px;
        height: 140px;
    }

    .footer-row {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 20px;
    }

    .footer-row:nth-child(2) {
        gap: 20px;
    }

    .footer-company {
        text-align: center;
    }
}