/* 全局样式 */
* {
    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;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
    color: #1e293b;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(59, 130, 246, 0.1);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
    animation: logoFloat 3s ease-in-out infinite;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shine 3s infinite;
}

.logo-icon i {
    position: relative;
    z-index: 2;
}

.nav-logo h2 {
    color: #3b82f6;
    font-weight: 700;
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

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

.nav-link {
    text-decoration: none;
    color: #475569;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 25px;
}

.nav-link:hover {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);
    color: white;
    padding: 0 20px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    background: linear-gradient(135deg, #ffffff, #e0e7ff, #f0f9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    color: #e0e7ff;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.6;
    color: #c7d2fe;
}

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

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #ffffff, #f1f5f9);
    color: #3b82f6;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
    font-weight: 600;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-animation {
    display: flex;
    gap: 2rem;
    font-size: 4rem;
    opacity: 0.9;
}

.tech-animation i {
    animation: float 3s ease-in-out infinite;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
}

.tech-animation i:nth-child(2) {
    animation-delay: 1s;
    color: #e0e7ff;
    text-shadow: 0 0 20px rgba(224, 231, 255, 0.8);
}

.tech-animation i:nth-child(3) {
    animation-delay: 2s;
    color: #f0f9ff;
    text-shadow: 0 0 20px rgba(240, 249, 255, 0.8);
}

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

/* 通用部分样式 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1e293b;
    position: relative;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

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

.about::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="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(59,130,246,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.3;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-text h3 {
    font-size: 1.5rem;
    color: #3b82f6;
    margin-bottom: 1rem;
    margin-top: 2rem;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 1.5rem;
}

.company-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    flex: 1;
    background: rgba(59, 130, 246, 0.05);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
}

.stat-item h4 {
    font-size: 2.5rem;
    color: #3b82f6;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.stat-item p {
    color: #64748b;
    font-weight: 500;
}

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

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-3px); }
}

/* 业务范围 */
.services {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
}

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

.service-card {
    background: rgba(255, 255, 255, 0.9);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #06b6d4);
    border-radius: 22px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .service-icon::after {
    opacity: 1;
}

.service-card h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
}

.service-card p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.service-features li {
    padding: 0.5rem 0;
    color: #475569;
    position: relative;
    padding-left: 1.5rem;
    transition: color 0.3s ease;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #3b82f6;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(59, 130, 246, 0.3);
}

.service-features li:hover {
    color: #3b82f6;
}

/* 成功案例 */
.cases {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 2;
}

.case-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
    overflow: hidden;
    position: relative;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 1);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.case-icon {
    font-size: 4rem;
    color: white;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    position: relative;
    z-index: 2;
}

.case-content {
    padding: 2rem;
}

.case-content h3 {
    font-size: 1.3rem;
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.case-category {
    color: #3b82f6;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.case-description {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.case-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-tag {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
}

.feature-tag:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
}

.cases-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.cases-stats .stat-item {
    background: rgba(255, 255, 255, 0.8);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.cases-stats .stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.15);
    background: rgba(255, 255, 255, 1);
}

.cases-stats .stat-item h4 {
    font-size: 2.5rem;
    color: #3b82f6;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.cases-stats .stat-item p {
    color: #64748b;
    font-weight: 500;
    font-size: 1rem;
}

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

.team::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="hexagons" width="30" height="30" patternUnits="userSpaceOnUse"><polygon points="15,0 30,8.66 30,21.65 15,30 0,21.65 0,8.66" fill="none" stroke="rgba(59,130,246,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23hexagons)"/></svg>');
    opacity: 0.3;
}

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

.team-member {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 1);
}

.member-avatar {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
    position: relative;
}

.member-avatar::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #06b6d4);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.team-member:hover .member-avatar::after {
    opacity: 1;
}

.team-member h3 {
    font-size: 1.3rem;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.member-title {
    color: #3b82f6;
    font-weight: 500;
    margin-bottom: 1rem;
    text-shadow: 0 0 5px rgba(59, 130, 246, 0.2);
}

.member-desc {
    color: #64748b;
    line-height: 1.6;
}

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

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    position: relative;
    z-index: 2;
}

.contact-info h3,
.contact-form h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 2rem;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.7);
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.contact-item i {
    font-size: 1.5rem;
    color: #3b82f6;
    margin-top: 0.2rem;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.contact-item h4 {
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #64748b;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.9);
    color: #1e293b;
    backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94a3b8;
}

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

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.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: #f1f5f9;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.footer-section p {
    color: #cbd5e1;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3b82f6;
    text-shadow: 0 0 5px rgba(59, 130, 246, 0.5);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3b82f6;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.social-links a:hover {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    color: #94a3b8;
}

/* AI视觉案例 */
.ai-vision {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.ai-vision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
}

.section-description {
    text-align: center;
    font-size: 1.1rem;
    color: #64748b;
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

.vision-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.vision-case-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
    overflow: hidden;
    position: relative;
}

.vision-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.vision-case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 1);
}

.vision-case-card .case-image {
    height: 180px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 15px 15px 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.vision-case-card:hover .case-img {
    transform: scale(1.05);
}

.case-image-large {
    height: 300px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-img-large {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    position: relative;
    z-index: 2;
}

.integration-case:hover .case-img-large {
    transform: scale(1.05);
}

.vision-case-card .case-icon {
    font-size: 3rem;
    color: white;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    position: relative;
    z-index: 2;
}

.vision-case-card .case-content {
    padding: 1.5rem;
}

.vision-case-card .case-content h3 {
    font-size: 1.2rem;
    color: #1e293b;
    margin-bottom: 1rem;
    font-weight: 600;
}

.vision-case-card .case-content p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
}

.tag:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
}

/* 系统集成案例 */
.system-integration {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.system-integration::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="hexagons" width="30" height="30" patternUnits="userSpaceOnUse"><polygon points="15,0 30,8.66 30,21.65 15,30 0,21.65 0,8.66" fill="none" stroke="rgba(59,130,246,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23hexagons)"/></svg>');
    opacity: 0.3;
}

.integration-cases {
    position: relative;
    z-index: 2;
}

.integration-case {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.integration-case:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    background: rgba(255, 255, 255, 1);
}

.integration-case.reverse {
    grid-template-columns: 1fr 1fr;
}

.integration-case.reverse .case-image-large {
    order: 2;
}

.integration-case.reverse .case-content-large {
    order: 1;
}

.case-image-large {
    height: 300px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-image-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.case-icon-large {
    font-size: 4rem;
    color: white;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    position: relative;
    z-index: 2;
}

.case-content-large {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-content-large h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
    font-weight: 600;
}

.case-content-large p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

/* AI工具案例 */
.ai-tools {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.ai-tools::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 50%);
}

.ai-tool-case {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.ai-tool-case:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(139, 92, 246, 0.15);
    background: rgba(255, 255, 255, 1);
}

.tool-content h3 {
    font-size: 1.8rem;
    color: #1e293b;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.tool-content p {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.tool-image {
    height: 300px;
    background: linear-gradient(135deg, #8b5cf6, #a855f7);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.tool-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.tool-icon {
    font-size: 5rem;
    color: white;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.6);
    position: relative;
    z-index: 2;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
        backdrop-filter: blur(20px);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-logo {
        gap: 0.5rem;
    }
    
    .logo-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .nav-logo h2 {
        font-size: 1.3rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .company-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .vision-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .integration-case {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .integration-case.reverse .case-image-large {
        order: 1;
    }
    
    .integration-case.reverse .case-content-large {
        order: 2;
    }
    
    .ai-tool-case {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }
    
    .case-image-large {
        height: 200px;
    }
    
    .tool-image {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card,
    .team-member {
        padding: 1.5rem;
    }
    
    .tech-animation {
        font-size: 2.5rem;
        gap: 1rem;
    }

    .vision-case-card .case-content {
        padding: 1rem;
    }
    
    .integration-case {
        padding: 1.5rem;
    }
    
    .ai-tool-case {
        padding: 1.5rem;
    }
    
    .case-content-large h3 {
        font-size: 1.3rem;
    }
    
    .tool-content h3 {
        font-size: 1.5rem;
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* 添加更多科技感动画 */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px rgba(59, 130, 246, 0.3); }
    50% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.6); }
}

.service-card:hover .service-icon {
    animation: pulse 2s infinite;
}

.team-member:hover .member-avatar {
    animation: glow 2s infinite;
}