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

:root {
    --primary-color: #0066cc;
    --primary-dark: #004488;
    --primary-light: #0088ff;
    --accent-color: #00aaff;
    --text-light: #ffffff;
    --text-dark: #333333;
    --text-gray: #666666;
    --bg-dark: #0a0e17;
    --bg-light: #f5f7fa;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}




.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    color: var(--primary-dark);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.bg-dark {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

.bg-dark .section-title {
    color: var(--text-light);
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 102, 204, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    color: var(--text-light);
}

.nav-logo h2 {
    margin: 0;
    margin-right: 10px;
    font-family: 'Orbitron', sans-serif;
}

.nav-logo span {
    font-size: 0.9rem;
    opacity: 0.8;
}

.nav-menu {
    display: flex;
}

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

.nav-menu a {
    color: var(--text-light);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--accent-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 3px 0;
    transition: var(--transition);
}


/* Hero区域样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a2332 100%);
    color: var(--text-light);
    text-align: center;
    overflow: hidden;
    /* 添加以下代码优化移动端显示 */
    min-height: 600px; /* 设置最小高度，避免在移动端太矮 */
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
    /* 添加以下代码优化移动端布局 */
    margin-top: -20px; /* 稍微上移内容 */
}

.tech-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 0rem;
    position: relative;
    color: #ffffff; /* 改为白色文字 */
    text-shadow: 
        0 0 10px #0088ff,
        0 0 20px #0088ff,
        0 0 40px #0088ff,
        0 0 80px #0088ff,
        0 0 120px #0088ff;
    animation: glow 2s ease-in-out infinite alternate;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.hero-desc {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

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

/* 移动端优化 */
@media (max-width: 768px) {
    .hero {
        height: 80vh; /* 移动端减少高度 */
        min-height: 500px; /* 移动端最小高度 */
        padding: 20px 0; /* 添加内边距 */
    }
    
    .hero-content {
        padding: 0 15px;
        margin-top: 0; /* 移动端不需要上移 */
    }
    
    .tech-text {
        font-size: 2.8rem; /* 调整字体大小 */
        margin-bottom: 1rem; /* 减少底部边距 */
        letter-spacing: 2px; /* 调整字母间距 */
    }
    
    .hero-subtitle {
        font-size: 1.4rem; /* 调整字体大小 */
        margin-bottom: 0.8rem; /* 减少底部边距 */
    }
    
    .hero-desc {
        font-size: 1rem; /* 调整字体大小 */
        margin-bottom: 2rem; /* 减少底部边距 */
        padding: 0 10px; /* 添加内边距 */
    }
    
    .hero-buttons {
        flex-direction: column; /* 垂直排列按钮 */
        gap: 15px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%; /* 按钮全宽 */
        padding: 14px 20px; /* 调整内边距 */
    }
}

@media (max-width: 576px) {
    .hero {
        height: 75vh; /* 更小屏幕进一步减少高度 */
        min-height: 450px;
    }
    
    .tech-text {
        font-size: 2.2rem;
        margin-bottom: 0.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-desc {
        font-size: 0.95rem;
        margin-bottom: 1.8rem;
    }
    
    /* 调整背景效果在移动端的显示 */
    .circuit-line:nth-child(1) {
        top: 15%;
    }
    
    .circuit-line:nth-child(2) {
        top: 50%;
    }
    
    .circuit-line:nth-child(3) {
        top: 85%;
    }
}

/* 超小屏幕优化 */
@media (max-width: 400px) {
    .hero {
        height: 70vh;
        min-height: 400px;
    }
    
    .tech-text {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
}






/* 背景效果 */
.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 102, 204, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
    pointer-events: none;
}

.circuit-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    opacity: 0.3;
    z-index: 1;
}

.circuit-line:nth-child(1) {
    top: 20%;
    animation: moveLine 8s linear infinite;
}

.circuit-line:nth-child(2) {
    top: 50%;
    animation: moveLine 12s linear infinite reverse;
}

.circuit-line:nth-child(3) {
    top: 80%;
    animation: moveLine 10s linear infinite;
}

.glowing-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.dot {
    position: absolute;
    width: 4px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 10px 2px var(--accent-color);
    animation: blink 3s infinite;
}

@keyframes moveLine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 0.2;
    }
    50% {
        opacity: 1;
    }
}

/* 关于我们区域 */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

.vision-mission {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 30px 0;
}

.vm-item {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.vm-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.value-item {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.value-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 图片占位符 */
.image-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, #e0e0e0, #f0f0f0);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    box-shadow: var(--box-shadow);
}

.image-placeholder.large {
    height: 400px;
}

.image-placeholder.small {
    height: 200px;
}

/* 解决方案区域 */
.solutions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.solution-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.solution-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.solution-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.solution-core {
    font-weight: 700;
    color: var(--accent-color);
    margin: 15px 0;
}

.solution-image {
    margin-top: 50px;
}

/* 技术实力区域 */
.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.tech-description {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.tech-item {
    padding: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.tech-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 应用案例区域 */
.cases-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.cases-text h3 {
    color: var(--accent-color);
    margin: 20px 0 15px;
}

.value-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.value-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.cases-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.gallery-item {
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-5px);
}

/* 服务承诺区域 */
.service-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

.service-text p {
    margin-bottom: 20px;
}

.commitment {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: 30px;
}

.commitment h3 {
    color: var(--primary-color);
}

/* 联系我们区域 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
}

.contact-item {
    margin-bottom: 25px;
}

.contact-item h4 {
    color: var(--accent-color);
    margin-bottom: 10px;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
}

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

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-family: 'Noto Sans SC', sans-serif;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.15);
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* 页脚样式 */
.footer {
    background: #0a0a0a;
    color: var(--text-light);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 5px;
}

.footer-logo span {
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.link-group h4 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

.link-group ul li {
    margin-bottom: 10px;
}

.link-group a {
    opacity: 0.8;
    transition: var(--transition);
}

.link-group a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .tech-text {
        font-size: 3rem;
    }
    
    .solutions {
        grid-template-columns: 1fr;
    }
    
    .about-content, .tech-content, .cases-content, .service-content, .contact-content, .footer-content {
        grid-template-columns: 1fr;
    }
    
    .vision-mission, .values {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: var(--bg-dark);
        flex-direction: column;
        text-align: center;
        transition: var(--transition);
        padding: 20px 0;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .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);
    }
    
    .tech-text {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .cases-gallery {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .tech-text {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section {
        padding: 60px 0;
    }
}

@keyframes glow {
    from {
        color: #ffffff;
        text-shadow: 
            0 0 10px #0088ff,
            0 0 20px #0088ff,
            0 0 40px #0088ff,
            0 0 80px #0088ff,
            0 0 120px #0088ff;
    }
    to {
        color: #ffffff;
        text-shadow: 
            0 0 5px #0088ff,
            0 0 10px #0088ff,
            0 0 20px #0088ff,
            0 0 40px #0088ff,
            0 0 80px #0088ff;
    }
}

@media (max-width: 768px) {
    .tech-text {
        font-size: 3rem;
    }
}

@media (max-width: 576px) {
    .tech-text {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }
}

/* 导航栏LOGO样式 */
.nav-logo img.logo-img {
    height: 80px; /* 根据您的LOGO尺寸调整 */
    width: auto;
    transition: var(--transition);
}

.nav-logo img.logo-img:hover {
    opacity: 0.8;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .nav-logo img.logo-img {
        height: 35px;
    }
}



/* 技术与研发实力区域样式 */
.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.tech-description {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.tech-item {
    padding: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.tech-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.4rem;
}

/* 关键修复：确保段落文字为深色 */
.tech-item p {
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 1rem;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .tech-content {
        grid-template-columns: 1fr;
    }
    
    .tech-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .tech-item {
        padding: 15px;
    }
}


/* 服务承诺区域样式 */
.service-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

.service-text p {
    color: var(--text-dark); /* 修复：确保文字颜色为深色 */
    line-height: 1.6;
    margin-bottom: 20px;
}

.commitment {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: 30px;
}

.commitment h3 {
    color: var(--primary-color);
}

.commitment p {
    color: var(--text-dark); /* 修复：确保文字颜色为深色 */
    line-height: 1.6;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .service-content {
        grid-template-columns: 1fr;
    }
    
    .service-image {
        order: -1;
    }
}

/* 服务承诺区域样式 */
.service-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

/* 修复：确保在深色背景上使用浅色文字 */
.service-text p {
    color: var(--text-light); /* 改为浅色文字 */
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.commitment {
    background: rgba(255, 255, 255, 0.1); /* 半透明背景，增强可读性 */
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.commitment h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

.commitment p {
    color: var(--text-light); /* 改为浅色文字 */
    line-height: 1.6;
    font-size: 1.1rem;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .service-content {
        grid-template-columns: 1fr;
    }
    
    .service-image {
        order: -1;
    }
}




/* 精确修复solutions区域的底部边距 */
#solutions.section.bg-dark {
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
}

/* 确保页脚紧贴solutions区域 */
#solutions + .footer {
    margin-top: 0 !important;
}

.about-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}


/* 解决方案图标样式 */
.solution-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px; /* 为图标区域设置固定高度 */
}

.solution-icon-img {
    width: 100px;
    height: 100px;
    object-fit: contain; /* 保持图片比例，完整显示 */
    border-radius: 50%; /* 圆形图标，可选 */
    transition: var(--transition);
    filter: drop-shadow(0 5px 15px rgba(0, 102, 204, 0.3));
}

/* 图标悬停效果 */
.solution-item:hover .solution-icon-img {
    transform: scale(1.1);
    filter: drop-shadow(0 8px 20px rgba(0, 170, 255, 0.5));
}

/* 响应式调整 */
@media (max-width: 768px) {
    .solution-icon-img {
        width: 80px;
        height: 80px;
    }
}