/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

/* 顶部导航栏样式 */
.main-header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    margin: 0 4px;
    overflow: visible !important;
}
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 12px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 80px;
    flex-wrap: nowrap;
    overflow: visible !important;
}
/* LOGO美化 */
.logo-section {
    margin-right: 40px;
    white-space: nowrap;
}
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 0;
}
.company-name {
    font-size: 1.35rem;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.2;
    margin-right: 6px;
    white-space: nowrap;
    display: inline-block;
}
.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
    letter-spacing: 1px;
}
.main-nav {
    flex: 1;
    display: flex;
    align-items: center;
    overflow: visible !important;
}
.nav-list {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin-left: auto;
    white-space: nowrap;
    overflow-x: hidden;
    overflow-y: visible;
    flex-wrap: nowrap;
    flex: 1 1 0%;
    min-width: 0;
    overflow: visible !important;
}
.nav-list > li {
    position: relative;
}
.nav-list > li > a {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: #222;
    padding: 0 18px;
    height: 80px;
    text-decoration: none;
    transition: color 0.2s;
    border-radius: 10px 10px 0 0;
}
.nav-list > li > a:hover,
.nav-list > li.active > a {
    color: #2563eb;
    background: #f3f7fd;
}
.nav-arrow {
    font-size: 0.9em;
    margin-left: 4px;
    color: #2563eb;
}
/* 普通下拉菜单样式 */
.dropdown .dropdown-menu {
    display: none;
    position: absolute;
    left: 0;
    top: 80px;
    min-width: 200px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    flex-direction: column;
    z-index: 2002;
    padding: 8px 0;
    border: 1px solid #e5e7eb;
    margin: 0;
}
.dropdown:hover .dropdown-menu {
    display: flex;
}
/* 产品mega菜单全屏 */
.product-dropdown .dropdown-menu.product-menu {
    display: none;
    position: fixed;
    left: 0;
    top: 80px;
    width: 100vw;
    min-width: unset;
    max-width: 100vw;
    background: #fff;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    border: 1px solid #e5e7eb;
    z-index: 2000;
    padding: 32px 0 32px 0;
    margin: 0;
}
.product-dropdown:hover .dropdown-menu.product-menu {
    display: block;
}
.dropdown-menu a {
    color: #374151;
    font-weight: 500;
    padding: 12px 20px;
    text-decoration: none;
    border-bottom: none;
    border-radius: 0;
    transition: background 0.2s, color 0.2s;
    font-size: 1rem;
    display: block;
    list-style: none;
}
.dropdown-menu a:hover {
    background: #f3f4f6;
    color: #2563eb;
}
/* 移动端导航 */
@media (max-width: 900px) {
    .header-container {
        height: 60px;
        padding: 0 10px;
    }
    .main-nav {
    display: none;
    }
    .main-nav.active {
        display: block;
    position: absolute;
    left: 0;
        right: 0;
        top: 60px;
    background: #fff;
        box-shadow: 0 8px 32px rgba(0,0,0,0.10);
        z-index: 2000;
    }
    .nav-list {
    flex-direction: column;
        gap: 0;
    }
    .nav-list > li > a {
        height: 56px;
        border-radius: 0;
        padding: 0 18px;
    }
    .dropdown .dropdown-menu,
    .product-dropdown .dropdown-menu {
        position: static;
        min-width: 100%;
        box-shadow: none;
        border-radius: 0;
        background: #0853a2;
        display: none;
    }
    .dropdown.active .dropdown-menu,
    .product-dropdown.active .dropdown-menu {
        display: flex;
    }
}
/* 移动端菜单按钮只在900px以下显示 */
.mobile-menu-toggle {
    display: none;
}
@media (max-width: 900px) {
    .mobile-menu-toggle {
        display: flex;
    }
}
.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: #222;
    border-radius: 2px;
    transition: all 0.3s;
}
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 100px 0;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

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

.hero-img {
    max-width: 100%;
    max-height: 100%;
    width: 420px;
    height: 420px;
    object-fit: contain;
    background: #fff;
    display: block;
    margin: 0 auto;
    border-radius: 12px;
    box-shadow: 0 4px 24px #bbb;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: #ffffff;
    color: #2563eb;
}

.btn-primary:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

.btn-secondary:hover {
    background: #ffffff;
    color: #2563eb;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: #ffffff;
    transform: translateY(-2px);
}

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

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Products Preview Section */
.products-preview {
    padding: 100px 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.25rem;
    color: #6b7280;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.product-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.product-image {
    width: 100%;
    height: 340px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    border-radius: 12px;
    box-shadow: 0 4px 16px #bbb;
    background: transparent;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-content {
    padding: 30px;
}

.product-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.product-content p {
    color: #6b7280;
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.product-features li {
    padding: 8px 0;
    color: #6b7280;
    position: relative;
    padding-left: 20px;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* About Section */
.about-section {
    padding: 100px 0;
    background: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.about-text p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.about-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Footer */
.main-footer {
    background: #1a1a1a;
    color: #ffffff;
    padding: 60px 0 20px;
}

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

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

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #ffffff;
}

.footer-section p {
    color: #9ca3af;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #2563eb;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    color: #9ca3af;
    font-size: 0.9rem;
    
}
.footer-bottom p a {
    color: #9ca3af;
    text-decoration: none;
}
.footer-bottom p a:visited {
    color: #9ca3af;
}
.footer-bottom p a:hover {
    color: #2563eb;
}

.footer-bottom p {
    margin-bottom: 5px;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Products Section */
.products-section {
    padding: 80px 0;
}

.products-section .products-grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.product-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    background: #ffffff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Product Gallery */
.product-gallery {
    position: sticky;
    top: 120px;
}

.main-image {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.thumbnail-images {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    background: #f8fafc;
}

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

.thumbnail.active {
    border-color: #2563eb;
}

.thumbnail:hover {
    border-color: #2563eb;
    transform: scale(1.05);
}

/* Product Details */
.product-details h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.stars {
    color: #fbbf24;
    font-size: 1.2rem;
}

.rating-text {
    color: #6b7280;
    font-size: 0.9rem;
}

.product-description {
    margin-bottom: 30px;
}

.product-description p {
    color: #6b7280;
    line-height: 1.6;
    font-size: 1.1rem;
}

.product-specs, .product-features {
    margin-bottom: 30px;
}

.product-specs h3, .product-features h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.specs-list, .features-list {
    list-style: none;
}

.specs-list li {
    padding: 8px 0;
    color: #6b7280;
    border-bottom: 1px solid #f1f5f9;
}

.specs-list li:last-child {
    border-bottom: none;
}

.features-list li {
    padding: 8px 0;
    color: #6b7280;
    position: relative;
    padding-left: 20px;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.product-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Related Products */
.related-products {
    padding: 80px 0;
    background: #f8fafc;
}

.related-products h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

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

.related-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.related-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.related-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 20px 20px 10px;
}

.related-card p {
    color: #6b7280;
    margin: 0 20px 20px;
    line-height: 1.6;
}

/* Company Overview */
.company-overview {
    padding: 80px 0;
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.overview-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.overview-text p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: #f8fafc;
    border-radius: 12px;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 10px;
}

.stat-item p {
    color: #6b7280;
    font-size: 0.9rem;
    margin: 0;
}

.overview-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.overview-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Mission & Vision */
.mission-vision {
    padding: 80px 0;
    background: #f8fafc;
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.mission-card, .vision-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mission-card:hover, .vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
}

.mission-card h3, .vision-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.mission-card p, .vision-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Core Values */
.core-values {
    padding: 80px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    background: #ffffff;
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
}

.value-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.value-card p {
    color: #6b7280;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* Team Section */
.team-section {
    padding: 80px 0;
    background: #f8fafc;
}

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

.team-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.team-image {
    height: 200px;
    overflow: hidden;
}

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

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

.team-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 20px 20px 10px;
}

.team-card p {
    color: #6b7280;
    margin: 0 20px 20px;
    line-height: 1.6;
}

/* Certificates */
.certificates {
    padding: 80px 0;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.certificate-item {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certificate-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.certificate-item img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 15px;
}

.certificate-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 5px;
}

.certificate-item p {
    color: #6b7280;
    font-size: 0.9rem;
    margin: 0;
}

/* Additional Responsive Styles */
@media (max-width: 768px) {
    .overview-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }
    
    .company-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .overview-text h2 {
        font-size: 2rem;
    }
} 

/* Contact Information */
.contact-info {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-card {
    background: #ffffff;
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.contact-card p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* Contact Form Section */
.contact-form-section {
    padding: 80px 0;
    background: #f8fafc;
}

.contact-form-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.form-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.form-content p {
    color: #6b7280;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.contact-form {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #1a1a1a;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.contact-form .btn {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
}

/* Form Sidebar */
.form-sidebar {
    position: sticky;
    top: 120px;
}

.sidebar-content {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.sidebar-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.benefits-list {
    list-style: none;
    margin-bottom: 30px;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
    color: #6b7280;
    border-bottom: 1px solid #f1f5f9;
}

.benefits-list li:last-child {
    border-bottom: none;
}

.benefits-list svg {
    color: #10b981;
    flex-shrink: 0;
}

.emergency-contact {
    background: #fef3c7;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.emergency-contact h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: 10px;
}

.emergency-contact p {
    color: #92400e;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.emergency-phone {
    display: inline-block;
    background: #f59e0b;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.emergency-phone:hover {
    background: #d97706;
}

/* Map Section */
.map-section {
    padding: 80px 0;
}

.map-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

.map-container {
    max-width: 800px;
    margin: 0 auto;
}

.map-placeholder {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.map-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.map-content p {
    color: #6b7280;
    margin-bottom: 10px;
    line-height: 1.6;
}

.map-content .btn {
    margin-top: 20px;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background: #f8fafc;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.faq-item {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.faq-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.faq-item p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* Additional Responsive Styles for Contact Page */
@media (max-width: 768px) {
    .contact-form-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-sidebar {
        position: static;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    .sidebar-content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .form-content h2 {
        font-size: 2rem;
    }
    
    .map-section h2 {
        font-size: 2rem;
    }
    
    .map-placeholder {
        padding: 40px 20px;
    }
} 

/* Product Detail Section */
.product-detail-section {
    padding: 80px 0;
}

.product-detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
}

/* Technical Details */
.technical-details {
    padding: 80px 0;
    background: #f8fafc;
}

.technical-details h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

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

.tech-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.tech-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e5e7eb;
}

.tech-card ul {
    list-style: none;
    padding: 0;
}

.tech-card li {
    padding: 8px 0;
    color: #6b7280;
    border-bottom: 1px solid #f1f5f9;
    position: relative;
    padding-left: 20px;
}

.tech-card li:last-child {
    border-bottom: none;
}

.tech-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

/* Applications */
.applications {
    padding: 80px 0;
}

.applications h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

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

.app-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.app-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.app-card p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* Additional Responsive Styles for Product Detail */
@media (max-width: 768px) {
    .product-detail-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .app-grid {
        grid-template-columns: 1fr;
    }
    
    .product-info h2 {
        font-size: 2rem;
    }
    
    .technical-details h2 {
        font-size: 2rem;
    }
    
    .applications h2 {
        font-size: 2rem;
    }
} 

/* Development History */
.development-history {
    padding: 80px 0;
    background: #f8fafc;
}

.development-history h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #2563eb;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-year {
    background: #2563eb;
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    z-index: 2;
    min-width: 80px;
    text-align: center;
}

.timeline-content {
    background: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin: 0 30px;
    flex: 1;
    max-width: 300px;
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.timeline-content p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* Technical Strength */
.technical-strength {
    padding: 80px 0;
}

.technical-strength h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

/* Business Areas */
.business-areas {
    padding: 80px 0;
    background: #f8fafc;
}

.business-areas h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.area-card {
    background: #ffffff;
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.area-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.area-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
}

.area-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.area-card p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* Team Culture */
.team-culture {
    padding: 80px 0;
}

.team-culture h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

.culture-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.culture-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.culture-text p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.culture-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.culture-feature h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.culture-feature p {
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.culture-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.culture-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Corporate Social Responsibility */
.csr-section {
    padding: 80px 0;
    background: #f8fafc;
}

.csr-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

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

.csr-card {
    background: #ffffff;
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.csr-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.csr-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
}

.csr-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.csr-card p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* Awards & Recognition */
.awards-section {
    padding: 80px 0;
}

.awards-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 50px;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.award-item {
    background: #ffffff;
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.award-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.award-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.award-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.award-item p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* Responsive Design for New Pages */
@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        margin-left: 40px;
    }
    
    .timeline-year {
        position: absolute;
        left: -50px;
        top: 50%;
        transform: translateY(-50%);
        margin: 0;
    }
    
    .timeline-content {
        margin: 0;
        max-width: none;
    }
    
    .culture-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .culture-features {
        grid-template-columns: 1fr;
    }
    
    .development-history h2,
    .technical-strength h2,
    .business-areas h2,
    .team-culture h2,
    .csr-section h2,
    .awards-section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .timeline-content {
        padding: 20px;
    }
    
    .culture-text h3 {
        font-size: 1.5rem;
    }
    
    .development-history h2,
    .technical-strength h2,
    .business-areas h2,
    .team-culture h2,
    .csr-section h2,
    .awards-section h2 {
        font-size: 1.8rem;
    }
} 

/* 产品下拉菜单全局覆盖+多列布局 */
.product-dropdown .dropdown-menu.product-menu {
    display: none;
    position: fixed;
    left: 0;
    top: 80px;
    width: 100vw;
    min-width: unset;
    max-width: 100vw;
    background: #fff;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    border: 1px solid #e5e7eb;
    z-index: 2000;
    padding: 32px 0 32px 0;
    margin: 0;
}
.product-dropdown:hover .dropdown-menu.product-menu {
    display: block;
}
.product-menu-inner {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
}
.product-menu-inner a {
    min-width: 140px;
    text-align: left;
    color: #374151;
    font-weight: 500;
    padding: 16px 24px;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
    font-size: 1.08rem;
    display: block;
    margin-bottom: 0;
}
@media (max-width: 900px) {
    .product-dropdown .dropdown-menu.product-menu {
        position: static;
        width: 100%;
        max-width: 100%;
        border-radius: 0;
        box-shadow: none;
        padding: 0;
    }
    .product-menu-inner {
        grid-template-columns: 1fr;
        gap: 0;
        max-width: 100%;
    }
    .product-menu-inner a {
        padding: 14px 18px;
        margin-bottom: 0;
    }
} 

/* 服务业页面自定义布局样式 */
.service-main-layout {
    background: #fff;
    padding: 0 0 60px 0;
}
.service-flex-container {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    gap: 40px;
    align-items: flex-start;
    padding: 40px 32px 0 32px;
}
.service-sidebar {
    width: 320px;
    min-width: 220px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}
.sidebar-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 18px;
    text-align: center;
}
.sidebar-menu-blue {
    background: #0853a2;
    border-radius: 0 0 8px 8px;
    padding: 0;
    margin-bottom: 32px;
    list-style: none;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(8,83,162,0.08);
}
.sidebar-menu-blue a {
    display: block;
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 20px 32px;
    transition: background 0.2s, color 0.2s;
}
.sidebar-menu-blue li.active a,
.sidebar-menu-blue a:hover {
    color: #111;
    background: #fff;
}
.sidebar-menu-blue li {
    padding: 0;
    border-bottom: 1px solid #fff2;
}
.sidebar-menu-blue li:last-child {
    border-bottom: none;
}
.expert-card {
    background: #f7fafd;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(8,83,162,0.08);
    padding: 24px 16px 16px 16px;
    text-align: center;
    border-top: 4px solid #0853a2;
}
.expert-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: #222;
    border-bottom: 2px solid #d32f2f;
    display: inline-block;
    padding-bottom: 6px;
}
.expert-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 18px auto 12px auto;
    background: #e3eaf6;
    display: block;
}
.expert-info {
    margin-top: 8px;
}
.expert-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #222;
}
.expert-role {
    font-size: 0.98rem;
    color: #666;
}
.service-main-content {
    flex: 1;
    min-width: 0;
}
.service-main-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 18px;
    color: #111;
}
.service-main-desc {
    font-size: 1.15rem;
    color: #222;
    margin-bottom: 32px;
    border-bottom: 2px solid #b71c1c;
    padding-bottom: 18px;
}
.service-card-row {
    display: flex;
    gap: 32px;
    align-items: stretch;
    margin-top: 16px;
}
.service-main-img {
    width: 420px;
    height: 320px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(8,83,162,0.10);
    background: #e3eaf6;
}
.service-card-box {
    flex: 1;
    background: #fff;
    border: 2px solid #b71c1c;
    border-radius: 18px;
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(8,83,162,0.06);
}
.service-card-box h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: #111;
}
.service-card-box p {
    font-size: 1.1rem;
    color: #222;
    margin-bottom: 28px;
}
.service-card-box .btn {
    width: fit-content;
    padding: 12px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 32px;
    background: #0853a2;
    color: #fff;
    border: none;
    transition: background 0.2s;
    box-shadow: 0 2px 8px rgba(8,83,162,0.10);
}
.service-card-box .btn:hover {
    background: #2563eb;
    color: #fff;
}
@media (max-width: 1100px) {
    .service-flex-container {
        flex-direction: column;
        gap: 32px;
    }
    .service-sidebar {
    width: 100%;
        flex-direction: row;
        gap: 24px;
    }
    .expert-card {
        min-width: 220px;
        flex: 1;
    }
}
@media (max-width: 800px) {
    .service-flex-container {
        flex-direction: column;
        padding: 24px 8px 0 8px;
    }
    .service-main-img {
        width: 100%;
        height: 180px;
    }
    .service-card-row {
        flex-direction: column;
        gap: 18px;
    }
    .service-card-box {
        padding: 24px 12px;
    }
    .service-sidebar {
        flex-direction: column;
        gap: 18px;
    }
} 

/* Why Choose Us Banner */
.why-choose-us-banner {
    background: linear-gradient(90deg, #2563eb 0%, #60a5fa 100%);
    color: #fff;
    padding: 48px 0 32px 0;
    margin: 40px 0 32px 0;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(37,99,235,0.08);
    text-align: center;
}
.why-choose-us-banner h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.why-choose-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
    list-style: none;
    margin: 0 0 24px 0;
    padding: 0;
}
.why-choose-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 500;
    background: rgba(255,255,255,0.10);
    padding: 14px 28px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.why-choose-list svg {
    color: #10b981;
    background: #fff;
    border-radius: 50%;
    padding: 2px;
}
.emergency-contact-banner {
    margin-top: 18px;
    background: rgba(255,255,255,0.15);
    padding: 18px 0 10px 0;
    border-radius: 8px;
    display: inline-block;
    width: 100%;
}
.emergency-contact-banner h4 {
    color: #fffbe7;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.emergency-contact-banner p {
    color: #fffbe7;
    margin-bottom: 8px;
    font-size: 0.98rem;
}
.emergency-contact-banner .emergency-phone {
    display: inline-block;
    background: #f59e0b;
    color: white;
    padding: 10px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: background-color 0.3s ease;
}
.emergency-contact-banner .emergency-phone:hover {
    background: #d97706;
}
@media (max-width: 900px) {
    .why-choose-list {
        flex-direction: column;
        gap: 18px;
    }
    .why-choose-us-banner {
        padding: 32px 0 20px 0;
    }
} 

/* 产业下拉菜单全屏宽度 */
.industry-mega-menu {
  position: fixed !important;
  left: 0 !important;
  right: 0 !important;
  width: 100vw !important;
  border-radius: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  z-index: 1002;
}

.industry-mega-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* 产业二级菜单高度和字体 */
.industry-second-level ul {
  min-height: 56px;
  align-items: center;
}
.industry-second-level li {
  height: 56px;
  line-height: 56px;
  font-size: 1.25rem;
  padding: 0 24px;
} 

/* 产业二级导航高亮 */
.industry-second-level li a {
  color: #222;
  text-decoration: none;
  border-radius: 6px 6px 0 0;
  transition: background 0.2s, color 0.2s;
  font-weight: 700;
}
.industry-second-level li.active a,
.industry-second-level li a:hover,
.industry-second-level li a:active,
.industry-second-level li a:focus {
  color: #2563eb;
  background: #f3f7fd;
}
.industry-second-level li a:visited {
  color: #2563eb;
} 

.industry-third-levels {
  background: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  position: relative;
  z-index: 2;
  border-radius: 0 0 12px 12px;
} 

/* 产品分类图文卡片网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px 24px;
    margin: 32px 0 16px 0;
}
.product-card {
    background: #f7fafd;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(8,83,162,0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 18px 8px 12px 8px;
    transition: box-shadow 0.2s;
    cursor: pointer;
}
.product-card img {
    object-fit: contain;
    border-radius: 8px;
    background: #e3eaf6;
    margin-bottom: 12px;
}
/* 产品中心列表页小图限制 */
.product-grid .product-card img {
    width: 180px;
    height: 180px;
}
.product-card span {
    font-size: 1.08rem;
    font-weight: 600;
    color: #222;
    text-align: center;
}
.product-card:hover {
    box-shadow: 0 4px 16px rgba(8,83,162,0.16);
}
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 24px 0 0 0;
}
.pagination a {
    display: inline-block;
    min-width: 36px;
    padding: 8px 14px;
    border-radius: 6px;
    background: #f2f6fa;
    color: #0853a2;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}
.pagination a.active, .pagination a:hover {
    background: #0853a2;
    color: #fff;
}
@media (max-width: 1100px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 700px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
} 

.highlight {
    animation: highlight-fade 1.2s;
    box-shadow: 0 0 0 4px #ffb300, 0 4px 16px #bbb;
    border-radius: 12px;
}
@keyframes highlight-fade {
    0% { box-shadow: 0 0 0 8px #ffb300, 0 4px 16px #bbb; }
    100% { box-shadow: 0 0 0 0 #ffb300, 0 4px 16px #bbb; }
} 

/* Search Styles */
.search-container {
    position: relative;
    margin-left: 20px;
    display: flex;
    align-items: center;
}

.search-form {
    display: flex;
    align-items: center;
}

.search-input {
    padding: 8px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 14px;
    width: 200px;
    transition: all 0.3s ease;
    background-color: #f9fafb;
}

.search-input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
    background-color: #fff;
}

.search-button {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: #6b7280;
    margin-left: -36px;
    transition: color 0.3s ease;
}

.search-button:hover {
    color: #2563eb;
}

#search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 6px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    margin-top: 4px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.suggestion-item {
    padding: 8px 12px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.suggestion-item:hover {
    background-color: #f3f4f6;
}

.suggestion-item .title {
    font-weight: 500;
    color: #1f2937;
}

.suggestion-item .description {
    font-size: 12px;
    color: #6b7280;
    margin-top: 2px;
}

@media (max-width: 768px) {
    .search-container {
        margin: 12px 0;
        width: 100%;
    }
    
    .search-form {
        width: 100%;
    }
    
    .search-input {
        width: 100%;
    }
} 

.header-search {
    margin-left: 32px;
    display: flex;
    align-items: center;
    position: relative;
    background: #f8fafc;
    border-radius: 22px;
    box-shadow: 0 2px 8px rgba(37,99,235,0.08);
    padding: 2px 4px 2px 12px;
    min-width: 140px;
    max-width: 220px;
    transition: box-shadow 0.2s;
}
.header-search:focus-within {
    box-shadow: 0 4px 16px rgba(37,99,235,0.18);
}
.header-search input[type="text"] {
    height: 28px;
    border: none;
    border-radius: 18px 0 0 18px;
    padding: 0 8px;
    font-size: 0.92rem;
    outline: none;
    background: transparent;
    min-width: 60px;
    max-width: 120px;
    transition: background 0.2s;
}
.header-search input[type="text"]:focus {
    background: #fff;
}
.header-search button {
    height: 28px;
    border: none;
    background: linear-gradient(90deg,#2563eb 60%,#3b82f6 100%);
    color: #fff;
    border-radius: 0 18px 18px 0;
    padding: 0 12px;
    font-size: 0.92rem;
    cursor: pointer;
    margin-left: 2px;
    transition: background 0.2s;
    font-weight: 600;
    letter-spacing: 1px;
    box-shadow: 0 1px 4px rgba(37,99,235,0.10);
}
.header-search button:hover {
    background: linear-gradient(90deg,#1d4ed8 60%,#2563eb 100%);
}
@media (max-width: 900px) {
    .header-search {
        margin-left: 8px;
        margin-right: 8px;
        width: 100%;
        max-width: 140px;
        min-width: 80px;
        padding: 2px 2px 2px 8px;
    }
    .header-search input[type="text"] {
        min-width: 30px;
        max-width: 60px;
        font-size: 0.9rem;
    }
    .header-search button {
        font-size: 0.9rem;
        padding: 0 8px;
    }
} 

.header-search-suggestions {
    position: absolute;
    top: 110%;
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 0 0 14px 14px;
    box-shadow: 0 4px 16px rgba(37,99,235,0.10);
    z-index: 1002;
    max-height: 220px;
    overflow-y: auto;
    padding: 4px 0;
    margin: 0;
    list-style: none;
    border: 1px solid #e5e7eb;
    border-top: none;
    display: none;
}
.header-search-suggestions.active {
    display: block;
}
.header-search-suggestion {
    padding: 8px 18px;
    font-size: 0.95rem;
    color: #222;
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
}
.header-search-suggestion:hover,
.header-search-suggestion.active {
    background: #f3f7fd;
    color: #2563eb;
}