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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Header and Navigation */
header {
    background-color: #1a365d;
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: 1rem 0;
}

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-subtitle {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-top: 0.25rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: white;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: #63b3ed;
}

/* Carousel Section (仿 1688 轮播图) */
.carousel-section {
    background-color: #f5f5f5;
    padding: 0;
}

.carousel-container {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
}

.carousel-slide {
    display: none;
    padding: 4rem 0;
    min-height: 500px;
}

.carousel-slide.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0.8; }
    to { opacity: 1; }
}

.slide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    align-items: center;
}

.slide-text h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
    color: white;
}

.slide-subtitle {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #63b3ed;
    font-weight: 600;
}

.slide-features {
    list-style: none;
    margin-bottom: 2rem;
}

.slide-features li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

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

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

.image-placeholder {
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    padding: 3rem;
    text-align: center;
    min-width: 350px;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.placeholder-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.image-placeholder p {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
}

.placeholder-note {
    font-size: 0.95rem !important;
    color: rgba(255, 255, 255, 0.8) !important;
}

/* 轮播导航按钮 */
.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    font-size: 2rem;
    padding: 1rem 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(255, 255, 255, 0.5);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

/* 轮播指示圆点 */
.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background: white;
    transform: scale(1.2);
}

.carousel-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Hero Banner Section */
.hero-banner {
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    color: white;
    padding: 4rem 0;
}

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

.banner-text h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.banner-subtitle {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    color: #63b3ed;
    font-weight: 600;
}

.banner-features {
    list-style: none;
    margin-bottom: 2rem;
}

.banner-features li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
    opacity: 0.9;
}

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

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

.image-placeholder {
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    padding: 3rem;
    text-align: center;
    min-width: 350px;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.banner-product-image {
    max-width: 100%;
    max-height: 400px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    object-fit: cover;
}

.placeholder-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.image-placeholder p {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.placeholder-note {
    font-size: 0.95rem !important;
    opacity: 0.8;
}

/* Services Section */
.services-section {
    padding: 4rem 0;
    background-color: white;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2rem;
    color: #1a365d;
    margin-bottom: 0.5rem;
}

.section-title p {
    color: #666;
    font-size: 1.1rem;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: #f7fafc;
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: #1a365d;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.service-card p {
    color: #666;
    margin-bottom: 1rem;
}

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

.service-list li {
    padding: 0.35rem 0;
    color: #4a5568;
    font-size: 0.95rem;
}

/* Product Showcase */
.product-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.product-showcase-card {
    background-color: white;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-showcase-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-showcase-image {
    background-color: #f7fafc;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

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

.showcase-placeholder {
    text-align: center;
}

.showcase-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 0.5rem;
}

.showcase-placeholder p {
    color: #666;
    font-weight: 500;
}

.product-showcase-card h3 {
    padding: 1.5rem 1.5rem 0.75rem 1.5rem;
    color: #1a365d;
    font-size: 1.3rem;
}

.product-showcase-card > p {
    padding: 0 1.5rem;
    color: #666;
    margin-bottom: 1rem;
}

.product-specs {
    list-style: none;
    padding: 0 1.5rem 1rem 1.5rem;
}

.product-specs li {
    padding: 0.35rem 0;
    color: #4a5568;
    font-size: 0.9rem;
    padding-left: 1.25rem;
    position: relative;
}

.product-specs li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4299e1;
    font-weight: bold;
}

.btn-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    margin: 0 1.5rem 1.5rem 1.5rem;
    color: #4299e1;
    font-weight: 600;
    transition: color 0.3s ease;
}

.btn-link:hover {
    color: #3182ce;
}

.view-all-products {
    text-align: center;
    margin-top: 2rem;
}

/* Why Choose Section */
.why-choose-section {
    padding: 4rem 0;
    background-color: #1a365d;
    color: white;
}

.why-choose-section .section-title h2 {
    color: white;
}

.why-choose-section .section-title p {
    color: rgba(255, 255, 255, 0.9);
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.why-card {
    text-align: center;
    padding: 2rem;
}

.why-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: #63b3ed;
    margin-bottom: 0.5rem;
}

.why-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.why-card p {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.btn-outline {
    display: inline-block;
    background-color: transparent;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    border: 2px solid white;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: white;
    color: #1a365d;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: #4299e1;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #3182ce;
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: #1a365d;
    padding: 0.75rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    border: 2px solid #1a365d;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #1a365d;
    color: white;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background-color: white;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background-color: #f7fafc;
    border-radius: 10px;
    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, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: #1a365d;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: #666;
}

/* About Preview Section */
.about-preview {
    padding: 4rem 0;
    background-color: #edf2f7;
}

.about-preview h2 {
    text-align: center;
    color: #1a365d;
    margin-bottom: 2rem;
    font-size: 2rem;
}

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

.about-content p {
    margin-bottom: 1.5rem;
    color: #4a5568;
}

.advantages {
    text-align: left;
    margin: 2rem auto;
    max-width: 600px;
}

.advantages li {
    padding: 0.5rem 0;
    color: #4a5568;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    opacity: 0.9;
}

/* Content Section */
.content-section {
    padding: 4rem 0;
    background-color: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.about-text h3 {
    color: #1a365d;
    margin: 1.5rem 0 1rem 0;
    font-size: 1.5rem;
}

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

.about-text p {
    color: #4a5568;
    margin-bottom: 1rem;
}

.about-info {
    display: grid;
    gap: 1rem;
}

.info-card {
    background-color: #f7fafc;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #4299e1;
}

.info-card h4 {
    color: #1a365d;
    margin-bottom: 0.5rem;
}

.info-card p {
    color: #666;
    font-size: 0.95rem;
}

/* Mission Section */
.mission-section {
    padding: 3rem 0;
    background-color: #1a365d;
    color: white;
    text-align: center;
}

.mission-section h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.mission-section p {
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Products Section */
.products-section {
    padding: 4rem 0;
    background-color: white;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: #f7fafc;
    padding: 2rem;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.product-card h3 {
    color: #1a365d;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.product-card p {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

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

.product-features li {
    padding: 0.25rem 0;
    color: #4a5568;
    font-size: 0.9rem;
    padding-left: 1.25rem;
    position: relative;
}

.product-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4299e1;
    font-weight: bold;
}

/* CTA Section */
.cta-section {
    padding: 3rem 0;
    background-color: #edf2f7;
    text-align: center;
}

.cta-section h3 {
    color: #1a365d;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.cta-section p {
    color: #4a5568;
    margin-bottom: 1.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Contact Section */
.contact-section {
    padding: 4rem 0;
    background-color: white;
}

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

.contact-info h3,
.contact-form-wrapper h3 {
    color: #1a365d;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.info-item {
    margin-bottom: 1.5rem;
}

.info-item h4 {
    color: #2c5282;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.info-item p {
    color: #4a5568;
    line-height: 1.8;
}

/* Contact Form */
.contact-form {
    background-color: #f7fafc;
    padding: 2rem;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2d3748;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4299e1;
}

.form-group textarea {
    resize: vertical;
}

/* Map Section */
.map-section {
    padding: 3rem 0;
    background-color: #edf2f7;
}

.map-section h3 {
    text-align: center;
    color: #1a365d;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.map-placeholder {
    background-color: #cbd5e0;
    padding: 3rem;
    text-align: center;
    border-radius: 10px;
}

.map-placeholder p {
    color: #4a5568;
    font-size: 1.1rem;
}

.map-note {
    margin-top: 0.5rem;
    font-size: 0.9rem !important;
    color: #718096 !important;
}

/* Business Hours */
.business-hours {
    padding: 3rem 0;
    background-color: white;
}

.business-hours h3 {
    text-align: center;
    color: #1a365d;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.hours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.hours-card {
    background-color: #f7fafc;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #e2e8f0;
}

.hours-card h4 {
    color: #2c5282;
    margin-bottom: 0.75rem;
}

.hours-card p {
    color: #4a5568;
}

/* Footer */
footer {
    background-color: #1a365d;
    color: white;
    padding: 3rem 0 1rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.8;
}

.chinese-name {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    opacity: 0.85;
}

.contact-info {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-section a {
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Products Preview Section */
.products-preview {
    padding: 4rem 0;
    background-color: white;
}

.products-preview h2 {
    text-align: center;
    color: #1a365d;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.product-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.product-preview-card {
    background-color: #f7fafc;
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.product-preview-card .product-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.product-preview-card h3 {
    color: #1a365d;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.product-preview-card p {
    color: #666;
    margin-bottom: 1rem;
}

.product-preview-card ul {
    list-style: none;
}

.product-preview-card ul li {
    padding: 0.25rem 0;
    color: #4a5568;
    font-size: 0.9rem;
    padding-left: 1.25rem;
    position: relative;
}

.product-preview-card ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #4299e1;
}

.view-all {
    text-align: center;
    margin-top: 2rem;
}

/* Applications Preview Section */
.applications-preview {
    padding: 4rem 0;
    background-color: #edf2f7;
}

.applications-preview h2 {
    text-align: center;
    color: #1a365d;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.application-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.app-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.application-card h3 {
    color: #1a365d;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.application-card p {
    color: #666;
    font-size: 0.95rem;
}

/* Applications Detail Page */
.application-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.application-detail-card {
    background-color: #f7fafc;
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.app-icon-large {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.application-detail-card h3 {
    color: #1a365d;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.application-detail-card p {
    color: #4a5568;
    margin-bottom: 1rem;
}

.app-features {
    list-style: none;
    margin: 1rem 0;
}

.app-features li {
    padding: 0.5rem 0;
    color: #4a5568;
    padding-left: 1.5rem;
    position: relative;
}

.app-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4299e1;
    font-weight: bold;
}

.app-description {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
    font-style: italic;
    color: #666;
}

/* Values Section */
.values-section {
    padding: 4rem 0;
    background-color: white;
}

.values-section h3 {
    text-align: center;
    color: #1a365d;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.value-card {
    text-align: center;
    padding: 2rem;
    background-color: #f7fafc;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.value-card h4 {
    color: #1a365d;
    margin-bottom: 0.5rem;
}

.value-card p {
    color: #666;
}

/* Products Section with Categories */
.products-section h3 {
    color: #1a365d;
    font-size: 1.8rem;
    margin: 3rem 0 1.5rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #4299e1;
}

.products-section h3:first-child {
    margin-top: 0;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background-color: #f7fafc;
}

.faq-section h3 {
    text-align: center;
    color: #1a365d;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.faq-card {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.faq-card h4 {
    color: #1a365d;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.faq-card p {
    color: #666;
    line-height: 1.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .logo-subtitle {
        display: none;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

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

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

    .banner-text h2 {
        font-size: 1.8rem;
    }

    .banner-subtitle {
        font-size: 1.1rem;
    }

    .image-placeholder {
        min-width: auto;
        padding: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

    /* 轮播图移动端优化 */
    .slide-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 15px;
    }

    .slide-text h2 {
        font-size: 1.8rem;
    }

    .slide-subtitle {
        font-size: 1.1rem;
    }

    .slide-features li {
        font-size: 1rem;
    }

    .slide-buttons {
        flex-direction: column;
    }

    .slide-image {
        order: -1;
    }

    .image-placeholder {
        min-height: 200px;
        padding: 2rem;
    }

    .carousel-prev,
    .carousel-next {
        font-size: 1.5rem;
        padding: 0.8rem 1rem;
    }

    .carousel-prev {
        left: 10px;
    }

    .carousel-next {
        right: 10px;
    }

    .carousel-dots {
        bottom: 15px;
    }

    .carousel-dot {
        width: 10px;
        height: 10px;
    }

    .carousel-slide {
        min-height: auto;
        padding: 3rem 0;
    }

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

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

    .feature-grid,
    .product-grid,
    .product-preview-grid,
    .product-showcase-grid,
    .service-grid,
    .application-grid,
    .application-detail-grid,
    .values-grid,
    .why-choose-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
}