/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a56db;
    --primary-dark: #0f3a9e;
    --secondary-color: #0ea5e9;
    --accent-color: #06b6d4;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #1a56db 0%, #0ea5e9 100%);
    --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero区域 */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    overflow: hidden;
    background: #000; /* 备用背景色 */
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        rgba(0, 0, 0, 0.7) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.95;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

/* 轮播图指示点 */
.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

.dot.active {
    background: white;
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: white;
    color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* 章节标题 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 1rem auto;
    border-radius: 2px;
}

/* 公司简介 */
.about {
    padding: 100px 0;
    background: var(--bg-white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.about-text .lead {
    font-size: 1.3rem;
    color: var(--text-dark);
    font-weight: 500;
}

.about-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* 硬件产品 */
.hardware {
    padding: 100px 0;
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

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

.product-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.product-type {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-description {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.7;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.feature-value {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 软件系统 */
.software {
    padding: 100px 0;
    background: var(--bg-white);
}

.software-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.software-card {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.software-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-secondary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

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

.software-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.software-type {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.software-features-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.software-feature {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.software-feature:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.software-feature strong {
    display: block;
    color: var(--text-dark);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.software-feature p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: var(--bg-light);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-item h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-light);
    font-size: 1rem;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

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

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

    .hero-description {
        font-size: 1rem;
    }

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

    .products-grid,
    .software-grid {
        grid-template-columns: 1fr;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .product-card,
    .software-card {
        padding: 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}

/* 页面标题区域 */
.page-header {
    background: var(--gradient-primary);
    color: white;
    padding: 150px 0 80px;
    text-align: center;
    margin-top: 70px;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.page-subtitle {
    font-size: 1.3rem;
    opacity: 0.95;
}

/* 首页概览区域 */
.overview {
    padding: 100px 0;
    background: var(--bg-white);
}

.overview-content {
    max-width: 1200px;
    margin: 0 auto;
}

.overview-text {
    max-width: 900px;
    margin: 0 auto 3rem;
    text-align: center;
}

.overview-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.overview-text .lead {
    font-size: 1.3rem;
    color: var(--text-dark);
    font-weight: 500;
}

.overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.overview-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.overview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

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

.overview-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.overview-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.card-link:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
}

.overview-cta {
    text-align: center;
    margin-top: 3rem;
}

/* 关于页面样式 */
.about-page {
    padding: 60px 0 100px;
    background: var(--bg-white);
}

.about-content-full {
    max-width: 900px;
    margin: 0 auto;
}

.about-intro {
    margin-bottom: 4rem;
}

.about-intro h2,
.about-mission h2,
.about-system h2,
.about-standards h2,
.about-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.about-intro p,
.about-system p,
.about-standards p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.about-intro .lead {
    font-size: 1.3rem;
    color: var(--text-dark);
    font-weight: 500;
}

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

.mission-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s ease;
}

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

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

.mission-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.mission-item p {
    color: var(--text-light);
    line-height: 1.7;
}

.system-architecture {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 2rem;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 20px;
}

.architecture-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 15px;
    min-width: 200px;
    box-shadow: var(--shadow-sm);
}

.architecture-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.architecture-item h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.architecture-item p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

.architecture-connector {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.standards-list {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.standards-list li {
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: var(--bg-light);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    color: var(--text-light);
}

.standards-list strong {
    color: var(--primary-color);
    font-weight: 600;
}

.about-cta,
.software-cta,
.hardware-cta,
.contact-cta {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg-light);
    border-radius: 20px;
    margin-top: 4rem;
}

.about-cta h2,
.software-cta h2,
.hardware-cta h2,
.contact-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.about-cta p,
.software-cta p,
.hardware-cta p,
.contact-cta p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 在浅色背景上的按钮样式 - 统一为白底蓝字 */
.cta-buttons .btn-primary {
    background: white;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.cta-buttons .btn-primary:hover {
    background: white;
    color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.cta-buttons .btn-secondary {
    background: white;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.cta-buttons .btn-secondary:hover {
    background: white;
    color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 硬件/软件详情页面 */
.hardware-page,
.software-page {
    padding: 60px 0 100px;
    background: var(--bg-light);
}

.products-full,
.software-full {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card-full,
.software-card-full {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.product-card-full:hover,
.software-card-full:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.product-header,
.software-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--bg-light);
}

.product-icon-large,
.software-icon-large {
    font-size: 4rem;
}

.product-title-section,
.software-title-section {
    flex: 1;
}

.product-name-large,
.software-name-large {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.product-type-large,
.software-type-large {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-description-full,
.software-description-full {
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.product-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 10px;
}

.detail-label {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    color: var(--text-dark);
    font-size: 1rem;
    line-height: 1.6;
}

/* 产品详情页图片布局 */
.product-content-wrapper {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
}

.product-info-side {
    flex: 1;
}

.product-image-side {
    flex: 1;
    max-width: 500px;
}

.product-image-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.product-img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: #fcfcfc;
}

.product-img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 992px) {
    .product-content-wrapper {
        flex-direction: column;
    }
    
    .product-image-side {
        max-width: 100%;
        width: 100%;
    }
}

.software-features-full {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.software-feature-full {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 15px;
    border-left: 4px solid var(--secondary-color);
}

.software-feature-full h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.software-feature-full p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
}

/* 联系页面样式 */
.contact-page {
    padding: 60px 0 100px;
    background: var(--bg-light);
}

.contact-content-full {
    max-width: 1000px;
    margin: 0 auto;
}

/* 新的两行布局样式 */
.contact-info-layout {
    margin-bottom: 4rem;
}

.contact-company-row {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 2rem;
}

.contact-company-item {
    background: white;
    padding: 2.5rem 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 2rem;
    min-width: 0;
}

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

.contact-company-item .contact-icon-large {
    font-size: 3rem;
    flex-shrink: 0;
    margin-bottom: 0;
}

.contact-company-item h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.contact-company-item p {
    color: var(--text-dark);
    font-size: 1.3rem;
    font-weight: 600;
    line-height: 1.7;
    margin: 0;
}

.contact-details-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.contact-detail-item {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.contact-detail-item .contact-icon-large {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.contact-detail-item h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-detail-item p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.7;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.contact-item-large {
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.contact-item-large:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.contact-icon-large {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.contact-item-large h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-item-large p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.7;
}

.contact-message {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 3rem;
}

.contact-message h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.contact-message > p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.contact-list li {
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: var(--bg-light);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.7;
}

/* 地图容器样式 */
.contact-flex-container {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    align-items: flex-start;
}

.contact-flex-container .contact-list {
    flex: 1;
    margin-top: 0;
}

/* 响应式设计 - 新页面 */
@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

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

    .overview-cards,
    .mission-grid,
    .contact-info-grid {
        grid-template-columns: 1fr;
    }

    .contact-company-item {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.5rem;
    }

    .contact-company-item .contact-icon-large {
        margin-bottom: 1rem;
    }

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

    .system-architecture {
        flex-direction: column;
    }

    .architecture-connector {
        transform: rotate(90deg);
    }

    .product-header,
    .software-header {
        flex-direction: column;
        text-align: center;
    }

    .product-details-grid {
        grid-template-columns: 1fr;
    }

    .product-card-full,
    .software-card-full {
        padding: 2rem 1.5rem;
    }
}

/* 产品详情页轮播图样式 */
.product-slider-container {
    width: 100%;
    margin-bottom: 3rem;
    background: #fcfcfc;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.product-slider {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-slide.active {
    opacity: 1;
    z-index: 1;
}

.product-img-large {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.2);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    font-size: 1.2rem;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-prev:hover,
.slider-next:hover {
    background: var(--primary-color);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

.product-slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.p-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

.p-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .product-slider {
        height: 300px;
    }
}

/* 软件详情页轮播图样式 */
.software-carousel-container {
    width: 100%;
    margin-bottom: 2rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: #fcfcfc;
}

.software-carousel {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.carousel-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.3);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: var(--primary-color);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.c-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

.c-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .software-carousel {
        height: 300px;
    }
}