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

body {
    font-family: 'Inter', 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #e2e8f0;
    background: #0f172a;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

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

.nav-logo h2 {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
}

.nav-logo h2::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    filter: blur(8px);
    opacity: 0.3;
    z-index: -1;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: #cbd5e1;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover {
    color: #06b6d4;
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
}

/* 首页横幅 */
.hero {
    height: 100vh;
    background: radial-gradient(ellipse at center, #1e293b 0%, #0f172a 70%);
    display: flex;
    align-items: center;
    justify-content: center;
    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(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    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(148,163,184,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    pointer-events: none;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 2;
    max-width: 900px;
    padding: 0 20px;
    position: relative;
}

/* 首页高新技术企业徽章 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(245, 158, 11, 0.9);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(245, 158, 11, 0.5);
    animation: hero-badge-glow 3s ease-in-out infinite;
}

@keyframes hero-badge-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
    }
    50% {
        box-shadow: 0 0 30px rgba(245, 158, 11, 0.8);
    }
}

.hero-badge i {
    animation: hero-star-rotate 4s linear infinite;
}

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

.hero-content h1 {
    font-size: 4.2rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
    font-weight: 800;
    letter-spacing: -2px;
    background: linear-gradient(135deg, #ffffff 0%, #06b6d4 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    position: relative;
}

.hero-content h1::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #ffffff 0%, #06b6d4 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    filter: blur(20px);
    opacity: 0.3;
    z-index: -1;
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
    line-height: 1.8;
    color: #cbd5e1;
}

.hero-buttons {
    animation: fadeInUp 1s ease 0.4s both;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    font-size: 1.1rem;
    backdrop-filter: blur(10px);
}

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

.btn-primary {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
    border: 2px solid rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(6, 182, 212, 0.6);
    background: linear-gradient(135deg, #0891b2 0%, #2563eb 100%);
}

.btn-secondary {
    background: rgba(30, 41, 59, 0.8);
    color: #e2e8f0;
    border: 2px solid rgba(148, 163, 184, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(51, 65, 85, 0.9);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(30, 41, 59, 0.4);
    border-color: rgba(6, 182, 212, 0.5);
    color: #06b6d4;
}

/* 浮动动画元素 */
.hero-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.element {
    position: absolute;
    border-radius: 20px;
    animation: float 12s ease-in-out infinite;
    backdrop-filter: blur(10px);
}

.element-1 {
    width: 150px;
    height: 150px;
    top: 10%;
    left: 5%;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(6, 182, 212, 0.05));
    border: 1px solid rgba(6, 182, 212, 0.3);
    animation-delay: 0s;
    transform: rotate(45deg);
}

.element-2 {
    width: 100px;
    height: 100px;
    top: 60%;
    right: 8%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.05));
    border: 1px solid rgba(59, 130, 246, 0.3);
    animation-delay: 3s;
    border-radius: 50%;
}

.element-3 {
    width: 80px;
    height: 80px;
    top: 70%;
    left: 70%;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.05));
    border: 1px solid rgba(139, 92, 246, 0.3);
    animation-delay: 6s;
}

.element-4 {
    width: 60px;
    height: 60px;
    top: 20%;
    right: 20%;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.3), rgba(59, 130, 246, 0.1));
    border: 1px solid rgba(6, 182, 212, 0.4);
    animation-delay: 2s;
    border-radius: 50%;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg) scale(1);
    }
    25% {
        transform: translateY(-40px) rotate(90deg) scale(1.1);
    }
    50% {
        transform: translateY(-20px) rotate(180deg) scale(0.9);
    }
    75% {
        transform: translateY(-60px) rotate(270deg) scale(1.05);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 关于我们 */
.about {
    padding: 120px 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #06b6d4, transparent);
}

.about h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
}

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

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: #cbd5e1;
}

/* 公司亮点 */
.company-highlights {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(6, 182, 212, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: #06b6d4;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: rgba(6, 182, 212, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(6, 182, 212, 0.2);
}

.highlight-item i {
    font-size: 1rem;
}

.stats {
    display: flex;
    gap: 3rem;
    justify-content: space-between;
}

.stat-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: rgba(30, 41, 59, 0.8);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    flex: 1;
    border: 1px solid rgba(6, 182, 212, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-item:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 50px rgba(6, 182, 212, 0.2);
    border-color: rgba(6, 182, 212, 0.5);
}

.stat-item h3 {
    font-size: 3rem;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat-item p {
    color: #94a3b8;
    font-weight: 500;
    font-size: 1.1rem;
}

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

.image-placeholder {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 5rem;
    box-shadow: 0 20px 60px rgba(6, 182, 212, 0.4);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(6, 182, 212, 0.3);
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 4s infinite;
}

.image-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 40%, rgba(6, 182, 212, 0.1) 100%);
    animation: pulse 3s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* 服务项目 */
.services {
    padding: 120px 0;
    background: #0f172a;
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.services h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.services h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    position: relative;
    z-index: 1;
}

.service-card {
    background: rgba(30, 41, 59, 0.8);
    padding: 3rem 2rem;
    border-radius: 25px;
    text-align: center;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(6, 182, 212, 0.2);
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 60%, rgba(6, 182, 212, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

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

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 70px rgba(6, 182, 212, 0.2);
    border-color: rgba(6, 182, 212, 0.5);
}

.service-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    color: white;
    font-size: 2.5rem;
    box-shadow: 0 10px 30px rgba(6, 182, 212, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 15px 40px rgba(6, 182, 212, 0.6);
}

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

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    color: #e2e8f0;
    font-weight: 600;
}

.service-card p {
    color: #cbd5e1;
    line-height: 1.8;
    font-size: 1.1rem;
}

/* 产品展示 */
.products {
    padding: 120px 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.products h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.products h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
}

/* 高新技术企业徽章 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.high-tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
    position: relative;
    overflow: hidden;
}

.high-tech-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: badge-shine 3s infinite;
}

@keyframes badge-shine {
    0% { left: -100%; }
    50% { left: -100%; }
    100% { left: 100%; }
}

.high-tech-badge i {
    font-size: 1.1rem;
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #94a3b8;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 产品分类导航 */
.product-categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.category-btn {
    padding: 12px 24px;
    background: rgba(30, 41, 59, 0.8);
    border: 2px solid rgba(6, 182, 212, 0.3);
    border-radius: 25px;
    color: #cbd5e1;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    font-size: 0.95rem;
}

.category-btn:hover {
    border-color: rgba(6, 182, 212, 0.6);
    color: #06b6d4;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.2);
}

.category-btn.active {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    border-color: transparent;
    color: white;
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
    position: relative;
    z-index: 1;
}

.product-card {
    background: rgba(30, 41, 59, 0.8);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid rgba(6, 182, 212, 0.2);
    backdrop-filter: blur(10px);
}

.product-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 70px rgba(6, 182, 212, 0.2);
    border-color: rgba(6, 182, 212, 0.5);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.product-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 40%, rgba(6, 182, 212, 0.1) 100%);
    animation: pulse 3s ease-in-out infinite;
}

.product-card:hover .product-image::before {
    transform: translateX(100%);
}

.product-card h3 {
    padding: 2rem 2rem 1rem;
    font-size: 1.6rem;
    color: #e2e8f0;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.product-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    transition: width 0.3s ease;
}

.product-card:hover h3::after {
    width: 100%;
}

.product-card p {
    padding: 0 2rem 1.5rem;
    color: #cbd5e1;
    line-height: 1.8;
    font-size: 1rem;
}

/* 技术徽章 */
.tech-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 产品标签 */
.product-tags {
    padding: 0 2rem 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: rgba(6, 182, 212, 0.2);
    color: #06b6d4;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(6, 182, 212, 0.3);
    transition: all 0.3s ease;
}

.tag:hover {
    background: rgba(6, 182, 212, 0.3);
    transform: scale(1.05);
}

/* 产品筛选动画 */
.product-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.product-card.visible {
    opacity: 1;
    transform: scale(1);
    transition: all 0.3s ease;
}

/* 联系我们 */
.contact {
    padding: 120px 0;
    background: #0f172a;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 40% 60%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 60% 40%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.contact h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
}

.contact-content {
    display: flex;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-info {
    width: 100%;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    padding: 2.5rem;
    background: rgba(30, 41, 59, 0.8);
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(6, 182, 212, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.contact-item:hover::before {
    transform: scaleY(1);
}

.contact-item:hover {
    transform: translateX(15px) scale(1.02);
    box-shadow: 0 15px 40px rgba(6, 182, 212, 0.2);
    border-color: rgba(6, 182, 212, 0.5);
}

.contact-item i {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-right: 2rem;
    box-shadow: 0 10px 30px rgba(6, 182, 212, 0.4);
    transition: all 0.3s ease;
}

.contact-item:hover i {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 40px rgba(6, 182, 212, 0.6);
}

.contact-item h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #e2e8f0;
    font-weight: 600;
}

.contact-item p {
    color: #cbd5e1;
    font-size: 1.1rem;
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #e2e8f0;
    padding: 4rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #06b6d4, transparent);
}

.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    color: #f8fafc;
    font-weight: 600;
}

.footer-section h3 {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 页脚徽章 */
.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.footer-badge i {
    font-size: 0.9rem;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
}

.footer-section a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #06b6d4;
    transition: width 0.3s ease;
}

.footer-section a:hover::after {
    width: 100%;
}

.footer-section a:hover {
    color: #06b6d4;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-bottom a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #06b6d4;
}

.icp-info {
    font-size: 0.9rem;
    color: #64748b;
    margin-top: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .stats {
        flex-direction: column;
        gap: 2rem;
    }

    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-categories {
        gap: 0.5rem;
    }

    .category-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }

    .product-tags {
        gap: 0.3rem;
    }

    .tag {
        font-size: 0.75rem;
        padding: 3px 8px;
    }

    .company-highlights {
        flex-direction: column;
        gap: 1rem;
    }

    .highlight-item {
        justify-content: center;
    }

    .hero-badge,
    .high-tech-badge {
        font-size: 0.8rem;
        padding: 6px 16px;
    }

    .about h2,
    .services h2,
    .products h2,
    .contact h2 {
        font-size: 2.2rem;
    }

    .service-card,
    .product-card,
    .stat-item,
    .contact-item {
        transform: none !important;
    }

    .element {
        display: none;
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

::-webkit-scrollbar-track {
    background: #1e293b;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #0891b2 0%, #2563eb 100%);
}

/* 新增粒子背景效果 */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #06b6d4;
    border-radius: 50%;
    animation: float-particle 20s linear infinite;
    opacity: 0.6;
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

/* 鼠标跟随光效 */
.cursor-glow {
    position: fixed;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.8) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: screen;
    transition: transform 0.1s ease;
}