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

:root {
    --primary: #0056b3;
    --secondary: #3a7bd5;
    --accent: #00a896;
    --dark: #2c3e50;
    --light: #f8f9fa;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.2);
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #f5f7fa;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.container2 {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px;
    background-color: white;
}

/* 导航栏样式 */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;

}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-left: 10px;
}

.logo-icon {
    color: var(--accent);
    font-size: 2rem;
    background: url(images/logo.png) center center;
}

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

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

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent);
    transition: var(--transition);
}

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

.nav-links .active a {
    color: var(--primary);
}

.nav-links .active a::after {
    width: 100%;
}

.cta-button {
    background: var(--primary);
    color: white;
    padding: 10px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid var(--primary);
}

.cta-button:hover {
    background: transparent;
    color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero区域 */
.hero {
    background: linear-gradient(135deg, #3a7bd5 0%, #00d2ff 100%);
    color: white;
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/bg01.jpg') center/cover no-repeat;
    opacity: 0.4;
}

.hero-about::before {
    background: url('images/bg02.jpg') center/cover no-repeat;
}

.hero-news::before {
    background: url('images/bg03.jpg') center/cover no-repeat;
}

.hero-products::before {
    background: url('images/bg04.jpg') center/cover no-repeat;
}

.hero-services::before {
    background: url('images/bg05.jpg') center/cover no-repeat;
}

.hero-contact::before {
    background: url('images/bg06.jpg') center/cover no-repeat;
}

.hero-content {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 30px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.btn {
    padding: 12px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: 2px solid var(--accent);
}

.btn-primary:hover {
    background: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-3px);
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background: white;
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent);
}

.section-title p {
    color: var(--gray);
    text-indent: 2rem;
    text-align: left;
    margin: 20px auto 0;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 25px;
    color: #555;
}

.about-title {
    margin-bottom: 80px;
}

.about-title p {
    color: var(--gray);
    text-indent: 2em;
    text-align: left;
    margin: 20px auto 0;
    font-size: 14pt;
    line-height: 2em;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.image-gallery {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.image-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    height: 300px;
}

.image-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: white;
    padding: 20px;
}

.image-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.image-overlay p {
    color: #aaa;
}

.values-section {
    background: white;
    padding: 50px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 50px;
}

.values-section h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #2c3e50;
    font-size: 2.2rem;
}

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

.value-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    background: #f8f9fa;
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #3498db;
}

.value-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--light);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-text {
    color: var(--gray);
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

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

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

/* 热点动态 */
.news {
    padding: 100px 0;
    background: var(--light);
}

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

.news-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.news-image {
    height: 220px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-info {
    padding: 25px;
}

.news-date {
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 10px;
    display: block;
}

.news-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.news-excerpt {
    color: var(--gray);
    margin-bottom: 20px;
}

.news-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
}

.news-link i {
    margin-left: 5px;
    transition: var(--transition);
}

.news-link:hover {
    color: var(--accent);
}

.news-link:hover i {
    transform: translateX(5px);
}

/* 产品中心 */
.products {
    padding: 100px 0;
    background: white;
}

.products p span {
    display: block;
}

.product-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 25px;
    background: white;
    border: 2px solid var(--light-gray);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

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

.product-card {
    background: var(--light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.product-image {
    height: 220px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: 25px;
}

.product-category {
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 5px;
    display: block;
}

.product-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark);
    text-align: center;
}

.product-description {
    color: var(--gray);
    margin-bottom: 20px;
}

.product-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    /*display: inline-flex;*/
    align-items: center;
    transition: var(--transition);
}

.product-link i {
    margin-left: 5px;
    transition: var(--transition);
}

.product-link:hover {
    color: var(--accent);
}

.product-link:hover i {
    transform: translateX(5px);
}

/* 服务与下载 */
.services {
    padding: 100px 0;
    background: var(--light);
}

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

.service-card {
    background: white;
    border-radius: 10px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.service-description {
    color: var(--gray);
    margin-bottom: 25px;
}

.download-list {
    background: white;
    border-radius: 10px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    grid-column: span 3;
}

.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--light-gray);
}

.download-item:last-child {
    border-bottom: none;
}

.download-info {
    flex: 1;
}

.download-title {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--dark);
}

.download-size {
    color: var(--gray);
    font-size: 0.9rem;
}

.download-btn {
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.download-btn:hover {
    background: var(--secondary);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* 生产能力 */
.capabilities {
    padding: 100px 0;
    background: white;
}

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

.capability-card {
    padding: 40px 30px;
    background: var(--light);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.capability-card:hover {
    background: var(--primary);
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.capability-card:hover * {
    color: white !important;
}

.capability-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.capability-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.capability-description {
    color: var(--gray);
}

/* 联系表单 */
.contact {
    padding: 100px 0;
    background: linear-gradient(to right, #0056b3, #3a7bd5);
    color: white;
}

.contact .section-title h2 {
    color: white;
}

.contact .section-title p {
    color: rgba(255, 255, 255, 0.8);
}

.contact-container {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.contact-details {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--accent);
    margin-right: 15px;
    min-width: 30px;
}

.contact-text h4 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.contact-form {
    flex: 1;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-hover);
}

.contact-form h3 {
    color: var(--dark);
    font-size: 1.8rem;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.2);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px 35px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: #008c7a;
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

/* 页脚 */
footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 0px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(2, auto);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-column h4 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent);
}

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

.footer-links li {
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-about p {
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-5px);
}

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

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none !important;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .about-content {
        flex-direction: column;
    }

    .contact-container {
        flex-direction: column;
    }

    .download-list {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu {
        display: block;
    }

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

    .hero p {
        font-size: 1.2rem;
    }

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

    .stat-number {
        font-size: 2rem;
    }

    .news-grid,
    .product-grid,
    .services-grid,
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 150px 0 80px;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .section-title h2 {
        font-size: 2rem;
    }
}