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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: #333;
    line-height: 1.6;
}

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

.header {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease;
}

.logo:hover .logo-icon svg {
    transform: rotate(10deg) scale(1.1);
}

.logo-text h1 {
    font-size: 22px;
    font-weight: 600;
    margin: 0;
}

.logo-text p {
    font-size: 11px;
    opacity: 0.8;
    margin: 2px 0 0;
}

.nav ul {
    display: flex;
    list-style: none;
}

.nav ul li {
    margin-left: 30px;
}

.nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav ul li a:hover,
.nav ul li a.active {
    color: #ffd700;
}

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

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 4px 0;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    padding: 180px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.hero-particle {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 15s infinite ease-in-out;
}

.hero-particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    width: 30px;
    height: 30px;
}

.hero-particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 5s;
    width: 40px;
    height: 40px;
}

.hero-particle:nth-child(3) {
    top: 40%;
    left: 60%;
    animation-delay: 10s;
    width: 25px;
    height: 25px;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-30px) translateX(20px);
        opacity: 0.6;
    }
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    position: relative;
    z-index: 1;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 25px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 35px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.hero-stats {
    display: flex !important;
    justify-content: center;
    align-items: center;
    gap: 80px;
    position: relative;
    z-index: 1;
    flex-direction: row !important;
    flex-wrap: wrap;
}

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

.hero-stat .stat-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.hero-stat .stat-value {
    font-size: 48px;
    font-weight: 700;
    color: #ffd700;
}

.hero-stat .stat-name {
    font-size: 16px;
    opacity: 0.8;
    margin-top: 5px;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120'%3E%3Cpath fill='%23ffffff' d='M0,64L48,69.3C96,75,192,85,288,80C384,75,480,53,576,48C672,43,768,53,864,64C960,75,1056,85,1152,80C1248,75,1344,53,1392,42.7L1440,32L1440,120L1392,120C1344,120,1248,120,1152,120C1056,120,960,120,864,120C768,120,672,120,576,120C480,120,384,120,288,120C192,120,96,120,48,120L0,120Z'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: cover;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: #ffd700;
    color: #0d47a1;
}

.btn-primary:hover {
    background: #ffc107;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #1a73e8;
}

.btn-outline {
    background: transparent;
    color: #1a73e8;
    border: 2px solid #1a73e8;
}

.btn-outline:hover {
    background: #1a73e8;
    color: white;
}

.btn-full {
    width: 100%;
    text-align: center;
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: block;
    color: #1a73e8;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 16px;
    color: #666;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon svg {
    width: 40px;
    height: 40px;
    fill: white;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.service-card p {
    color: #666;
    font-size: 15px;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    margin-bottom: 20px;
}

.service-features li {
    color: #555;
    font-size: 14px;
    margin-bottom: 8px;
}

.service-link {
    display: inline-block;
    color: #1a73e8;
    font-weight: 600;
    text-decoration: none;
    margin-top: 15px;
    transition: all 0.3s ease;
}

.service-link:hover {
    color: #0d47a1;
    transform: translateX(5px);
}

/* Products Section */
.products {
    padding: 100px 0;
    background: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

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

.product-card.featured {
    transform: scale(1.05);
    box-shadow: 0 10px 40px rgba(26, 115, 232, 0.2);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
}

.product-image {
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.1) 0%, rgba(13, 71, 161, 0.1) 100%);
    padding: 40px;
    text-align: center;
}

.product-icon {
    font-size: 60px;
}

.product-info {
    padding: 30px;
}

.product-info h3 {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.product-info p {
    color: #666;
    font-size: 15px;
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
    margin-bottom: 25px;
}

.product-features li {
    color: #555;
    font-size: 14px;
    margin-bottom: 10px;
}

/* Cases Section */
.cases {
    background: #f8f9fa;
    padding: 100px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.case-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

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

.case-image {
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.1) 0%, rgba(13, 71, 161, 0.1) 100%);
    padding: 40px;
    position: relative;
}

.case-icon {
    font-size: 60px;
}

.case-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #1a73e8;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.case-info {
    padding: 30px;
}

.case-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.case-desc {
    color: #666;
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.case-stats {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.case-stats .stat {
    background: #f0f4ff;
    color: #1a73e8;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

/* Testimonials Section */
.testimonials {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.testimonial-rating {
    font-size: 20px;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 600;
}

.author-info {
    flex: 1;
}

.author-name {
    font-weight: 600;
    color: #333;
    margin-bottom: 3px;
}

.author-title {
    font-size: 14px;
    color: #666;
}

/* Partners Section */
.partners {
    padding: 80px 0;
    background: white;
}

.partners-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.partner-logo {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    font-size: 16px;
    color: #555;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.partner-logo:hover {
    background: white;
    border-color: #1a73e8;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(26, 115, 232, 0.1);
}

/* Contact CTA */
.contact-cta {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 15px;
}

.footer-section p {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
}

.footer-contact p {
    margin: 8px 0;
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content h2 {
        font-size: 40px;
    }
    
    .hero-stats {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav ul {
        display: none;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .hero-content h2 {
        font-size: 32px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .hero-stat {
        min-width: 80px;
    }
    
    .stat-icon {
        font-size: 24px !important;
    }
    
    .stat-value {
        font-size: 28px !important;
    }
    
    .stat-name {
        font-size: 12px !important;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card.featured {
        transform: scale(1);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .partners-logos {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-badge {
        font-size: 12px;
        padding: 6px 15px;
    }
    
    .hero-content h2 {
        font-size: 26px;
    }
    
    .hero-content p {
        font-size: 14px;
    }
    
    .partners-logos {
        grid-template-columns: 1fr;
    }
}

/* ==================== 页面特定样式 ==================== */

/* 产品中心页面 */
.products-detail {
    padding: 120px 0 100px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #f8f9fa 100%);
}

.products-detail .section-header {
    margin-bottom: 80px;
}

.products-detail .product-card {
    display: flex;
    align-items: center;
    gap: 40px;
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    transition: all 0.3s ease;
    border: 1px solid rgba(26, 115, 232, 0.1);
}

.products-detail .product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
    border-color: rgba(26, 115, 232, 0.3);
}

.products-detail .product-icon {
    font-size: 60px;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.1) 0%, rgba(13, 71, 161, 0.1) 100%);
    border-radius: 20px;
    flex-shrink: 0;
}

.products-detail .product-content {
    flex: 1;
}

.products-detail .product-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.products-detail .product-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.products-detail .product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 25px;
}

.products-detail .feature-tag {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
}

.products-detail .product-metrics {
    display: flex;
    gap: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.products-detail .metric {
    text-align: center;
}

.products-detail .metric .number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #1a73e8;
}

.products-detail .metric .label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-top: 5px;
}

.products-detail .security-cta {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    padding: 40px;
    border-radius: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    color: white;
}

.products-detail .cta-content h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.products-detail .cta-content p {
    opacity: 0.9;
}

.products-detail .cta-button {
    background: white;
    color: #1a73e8;
    padding: 14px 35px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.products-detail .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* 服务项目页面 */
.services-detail {
    padding: 120px 0 100px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.services-detail .section-header {
    margin-bottom: 80px;
}

.services-detail .service-detail-card {
    display: flex;
    gap: 40px;
    background: white;
    padding: 50px;
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    margin-bottom: 30px;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.services-detail .service-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    border-color: rgba(26, 115, 232, 0.2);
}

.services-detail .service-detail-card.reverse {
    flex-direction: row-reverse;
}

.services-detail .service-detail-icon {
    font-size: 60px;
    width: 130px;
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    border-radius: 25px;
    flex-shrink: 0;
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.3);
}

.services-detail .service-detail-content {
    flex: 1;
}

.services-detail .service-detail-content h3 {
    font-size: 26px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.services-detail .service-detail-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.services-detail .service-detail-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.services-detail .service-detail-content ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.services-detail .service-detail-content ul li {
    padding: 10px 20px;
    background: #f8f9fa;
    border-radius: 10px;
    font-size: 14px;
    color: #555;
    position: relative;
    padding-left: 35px;
}

.services-detail .service-detail-content ul li::before {
    content: "✓";
    position: absolute;
    left: 15px;
    color: #1a73e8;
    font-weight: 600;
}

/* 关于我们页面 */
.about-detail {
    padding: 120px 0 100px;
    background: #fafafa;
}

.about-detail .section-header {
    margin-bottom: 80px;
}

.about-detail .about-content {
    display: grid;
    gap: 30px;
}

.about-detail .about-card {
    background: white;
    padding: 45px;
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
    border: 1px solid #f0f0f0;
}

.about-detail .about-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #1a73e8;
    display: inline-block;
}

.about-detail .about-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-detail .culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.about-detail .culture-item {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.about-detail .culture-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.15);
}

.about-detail .culture-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.about-detail .culture-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.about-detail .culture-item p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

.about-detail .timeline {
    position: relative;
    padding-left: 40px;
}

.about-detail .timeline::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #1a73e8 0%, #0d47a1 100%);
    border-radius: 3px;
}

.about-detail .timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.about-detail .timeline-item:last-child {
    padding-bottom: 0;
}

.about-detail .timeline-item::before {
    content: "";
    position: absolute;
    left: -34px;
    top: 5px;
    width: 20px;
    height: 20px;
    background: #1a73e8;
    border-radius: 50%;
    border: 4px solid #fff;
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.2);
}

.about-detail .timeline-date {
    font-size: 14px;
    font-weight: 600;
    color: #1a73e8;
    margin-bottom: 10px;
}

.about-detail .timeline-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.about-detail .timeline-content p {
    font-size: 15px;
    color: #666;
    margin: 0;
}

.about-detail .advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.about-detail .advantage-item {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 15px;
    position: relative;
}

.about-detail .advantage-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    border-radius: 50%;
    font-size: 18px;
    font-weight: 700;
    line-height: 40px;
    margin-bottom: 15px;
}

.about-detail .advantage-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.about-detail .advantage-item p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* 联系我们页面 */
.contact-detail {
    padding: 120px 0 100px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.contact-detail .section-header {
    margin-bottom: 80px;
}

.contact-detail .contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}

.contact-detail .contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-detail .contact-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-detail .contact-item:hover {
    transform: translateX(5px);
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.1);
}

.contact-detail .contact-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.1) 0%, rgba(13, 71, 161, 0.1) 100%);
    border-radius: 15px;
    flex-shrink: 0;
}

.contact-detail .contact-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.contact-detail .contact-text p {
    font-size: 14px;
    color: #666;
    margin: 3px 0;
}

.contact-detail .contact-form {
    background: white;
    padding: 45px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.contact-detail .contact-form h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

.contact-detail .form-group {
    margin-bottom: 25px;
}

.contact-detail .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.contact-detail .form-group input,
.contact-detail .form-group select,
.contact-detail .form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #fafafa;
}

.contact-detail .form-group input:focus,
.contact-detail .form-group select:focus,
.contact-detail .form-group textarea:focus {
    outline: none;
    border-color: #1a73e8;
    background: white;
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.contact-detail .form-group input::placeholder,
.contact-detail .form-group textarea::placeholder {
    color: #999;
}

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

.contact-detail .submit-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-detail .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.4);
}

/* 安全软件页面 */
.security-detail {
    padding: 120px 0 100px;
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
}

.security-detail .section-header {
    margin-bottom: 80px;
}

.security-detail .security-card {
    display: flex;
    gap: 40px;
    background: white;
    padding: 45px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.security-detail .security-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.security-detail .security-icon {
    font-size: 60px;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    border-radius: 20px;
    flex-shrink: 0;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.security-detail .security-card:nth-child(3) .security-icon {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    box-shadow: 0 10px 30px rgba(78, 205, 196, 0.3);
}

.security-detail .security-content h3 {
    font-size: 26px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.security-detail .security-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.security-detail .security-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.security-detail .security-content ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.security-detail .security-content ul li {
    padding: 12px 20px;
    background: #f8f9fa;
    border-radius: 10px;
    font-size: 14px;
    color: #555;
}

.security-detail .security-comparison {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    margin-bottom: 40px;
}

.security-detail .security-comparison h3 {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

.security-detail .security-comparison table {
    width: 100%;
    border-collapse: collapse;
}

.security-detail .security-comparison th,
.security-detail .security-comparison td {
    padding: 18px;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.security-detail .security-comparison th {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    font-weight: 600;
}

.security-detail .security-comparison th:first-child {
    border-radius: 10px 0 0 0;
}

.security-detail .security-comparison th:last-child {
    border-radius: 0 10px 0 0;
}

.security-detail .security-comparison tr:hover td {
    background: #f8f9fa;
}

.security-detail .security-comparison td:first-child {
    text-align: left;
    font-weight: 500;
    color: #333;
}

.security-detail .security-contact {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    border-radius: 20px;
    color: white;
}

.security-detail .security-contact p {
    font-size: 18px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.security-detail .contact-btn {
    display: inline-block;
    background: white;
    color: #1a73e8;
    padding: 14px 40px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.security-detail .contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .products-detail .product-card {
        flex-direction: column;
        text-align: center;
    }
    
    .products-detail .product-metrics {
        justify-content: center;
    }
    
    .products-detail .security-cta {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .services-detail .service-detail-card,
    .services-detail .service-detail-card.reverse {
        flex-direction: column;
        text-align: center;
    }
    
    .services-detail .service-detail-content ul {
        grid-template-columns: 1fr;
    }
    
    .about-detail .culture-grid,
    .about-detail .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-detail .contact-content {
        grid-template-columns: 1fr;
    }
    
    .security-detail .security-card {
        flex-direction: column;
        text-align: center;
    }
    
    .security-detail .security-content ul {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .about-detail .culture-grid,
    .about-detail .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-detail .contact-info {
        gap: 15px;
    }
    
    .contact-detail .contact-item {
        padding: 20px;
    }
}