/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    cursor: default; /* 恢复默认鼠标指针 */
}

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

/* 为可点击元素设置手形指针 */
a, button, .nav-link, .product-btn, .platform-btn, input[type="submit"], input[type="button"] {
    cursor: pointer;
}

/* 添加科技感的CSS变量 */
:root {
    --primary-color: #1e40af;
    --secondary-color: #6366f1;
    --accent-color: #8b5cf6;
    --tech-blue: #06b6d4;
    --glow-color: rgba(6, 182, 212, 0.3);
    --dark-bg: #0f172a;
    --card-bg: rgba(255, 255, 255, 0.95);
    --border-radius: 15px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 65px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo h2 {
    color: #1e40af;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    margin: 0;
    line-height: 1.2;
}

.company-name h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e40af;
}

/* 导航栏LOGO样式 */
.logo-image {
    height: 45px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.nav-logo:hover .logo-image {
    transform: scale(1.05);
}

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

.nav-link {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: #1e40af;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #1e40af;
    transition: width 0.3s ease;
}

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

/* 汉堡菜单样式 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #374151;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* 汉堡菜单激活状态 */
.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 科技风格的渐变背景 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 30px 5% 15px;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #6366f1 100%);
    color: white;
    position: relative;
    overflow: hidden;
    gap: 4rem;
}

/* 科技网格背景 */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(rgba(6, 182, 212, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 182, 212, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.3) 0%, transparent 50%);
    background-size: 50px 50px, 50px 50px, 100% 100%, 100% 100%;
    opacity: 0.8;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    flex: 1 1 55%;
    max-width: 650px;
    z-index: 2;
    animation: fadeInLeft 1s ease-out;
    text-align: left;
    padding: 0 2rem;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -1px;
    text-align: left;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.85;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1 1 45%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    animation: fadeInRight 1s ease-out;
    padding: 0 2rem;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 图片样式 */
.hero-drone-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
}

.hero-drone-image:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 5px 15px rgba(30, 64, 175, 0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(30, 64, 175, 0.4),
                0 0 20px rgba(6, 182, 212, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #1e40af;
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 255, 255, 0.3);
}

/* 特色区域样式 */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
    margin-left: auto;
    margin-right: auto;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--tech-blue), var(--accent-color));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
    position: relative;
    z-index: 1;
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.3), transparent);
    border-radius: 50%;
    z-index: -1;
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.7;
    font-size: 1rem;
}

/* 产品中心 - 选项卡式布局 */
.products {
    padding: 30px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
}

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

.tabs-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 4rem;
    gap: 2rem;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 2.5rem;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(6, 182, 212, 0.2);
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #475569;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.tab-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--tech-blue);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--tech-blue), var(--secondary-color));
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.3);
    transform: translateY(-3px);
}

.tab-icon {
    font-size: 1.5rem;
}

.tab-text {
    font-weight: 600;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

.tab-intro {
    text-align: center;
    margin-bottom: 2rem;
}

.tab-intro h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.tab-intro p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #64748b;
    max-width: 800px;
    margin: 0 auto;
}

/* 相机产品页面样式 */
.camera-products {
    padding: 0;
    background: transparent;
}

.camera-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-bottom: 2.5rem;
}

.camera-product-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1),
                0 0 30px rgba(6, 182, 212, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(6, 182, 212, 0.2);
    display: flex;
    flex-direction: column;
}

.camera-product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15),
                0 0 50px rgba(6, 182, 212, 0.2);
    border-color: var(--tech-blue);
}

/* 产品图片轮播样式 */
.product-image-slider {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
}

.product-slider-container {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.product-slider-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    flex-shrink: 0;
}

/* 轮播控制按钮 */
.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 10px;
    transform: translateY(-50%);
}

.slider-btn {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    color: #1e40af;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.slider-btn:hover {
    background: white;
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 轮播指示器 */
.slider-indicators {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.indicator {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: white;
    transform: scale(1.2);
}

.camera-product-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.camera-product-content h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.product-price {
    color: #64748b;
    font-size: 1.1rem;
    margin-bottom: 1.75rem;
    font-weight: 500;
    line-height: 1.5;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.product-features li {
    padding: 0.75rem 0;
    color: #475569;
    position: relative;
    padding-left: 1.75rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.product-features li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--tech-blue);
    font-weight: bold;
    font-size: 1.1rem;
    transition: transform 0.2s ease;
}

.product-features li:hover::before {
    transform: translateX(5px);
    color: var(--accent-color);
}

/* 科技感规格表格 */
.product-specs,
.platform-specs {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05), rgba(99, 102, 241, 0.05));
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--tech-blue);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(6, 182, 212, 0.1);
}

.spec-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.spec-label {
    font-weight: 500;
    color: #475569;
}

.spec-value {
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

.product-btn {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    margin-top: auto;
    animation: pulse 2s infinite;
}

.product-btn:hover {
    animation: none;
}

.camera-applications {
    margin-top: 2.5rem;
}

.camera-applications h3 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.application-item {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08),
                0 0 20px rgba(6, 182, 212, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.application-item:hover {
    transform: translateY(-10px);
    border-color: var(--tech-blue);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12),
                0 0 30px rgba(6, 182, 212, 0.2);
}

.application-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e40af;
}

.application-item p {
    color: #64748b;
    line-height: 1.7;
}

/* 无人机平台页面样式 */
.drone-platforms {
    padding: 0;
    background: transparent;
}

/* 平台介绍与优势融合展示 */
.platform-intro-advantages {
    margin-bottom: 2.5rem;
}

/* 平台概览 */
.platform-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 2rem;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.overview-content h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.overview-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #64748b;
    margin-bottom: 1rem;
}

.overview-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
}

.overview-image {
    text-align: center;
}

.drone-platform-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.intro-content h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
    line-height: 1.3;
}

.intro-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 2.5rem;
}

.platform-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05), rgba(99, 102, 241, 0.05));
    border-radius: 12px;
    border-left: 4px solid var(--tech-blue);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateX(10px);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(99, 102, 241, 0.1));
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-text h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e40af;
}

.highlight-text p {
    color: #64748b;
    line-height: 1.6;
    font-size: 0.95rem;
}

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

.platform-image img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 核心特性 */
.platform-features {
    margin-bottom: 2rem;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.platform-features h3 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: #f8fafc;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 技术规格对比 */
.platform-specs {
    margin-bottom: 2rem;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.platform-specs h3 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.specs-comparison {
    max-width: 800px;
    margin: 0 auto;
}

.specs-table {
    overflow-x: auto;
}

.specs-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.specs-table th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.2rem;
    font-weight: 600;
    text-align: center;
}

.specs-table td {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    text-align: center;
    color: #475569;
}

.specs-table tr:hover {
    background: #f8fafc;
}

.specs-table td:first-child {
    font-weight: 600;
    color: #1e293b;
    text-align: left;
}

.tech-specs h3,
.core-advantages h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1e293b;
    text-align: center;
}

.specs-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.spec-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid #f1f5f9;
    transition: all 0.3s ease;
}

.spec-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    border-color: #3b82f6;
}

.spec-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e40af;
    text-align: center;
}

.spec-details p {
    margin-bottom: 0.75rem;
    color: #475569;
    font-size: 0.95rem;
}

.spec-details strong {
    color: #1e293b;
    font-weight: 600;
}

.core-advantages .advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .core-advantages .advantages-grid {
        grid-template-columns: 1fr;
    }
}

.core-advantages .advantage-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid #f1f5f9;
    transition: all 0.3s ease;
}

.core-advantages .advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: #3b82f6;
}

.core-advantages .advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.core-advantages .advantage-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.core-advantages .advantage-card p {
    color: #64748b;
    line-height: 1.5;
    font-size: 0.9rem;
}

/* 应用场景展示 */
.platform-applications {
    margin-top: 4rem;
}

.platform-applications h3 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: #1e293b;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.application-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid #f1f5f9;
    transition: all 0.3s ease;
}

.application-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    border-color: #3b82f6;
}

.app-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.application-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e40af;
}

.application-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 关于我们样式 */
.about {
    padding: 30px 0;
    background: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.75rem;
    color: #475569;
    line-height: 1.8;
    font-size: 1.05rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.stat h4 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--tech-blue);
    margin-bottom: 0.5rem;
    line-height: 1;
    font-family: 'Courier New', monospace;
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
}

.stat p {
    color: #64748b;
    font-weight: 500;
    margin-bottom: 0;
}

.about-team-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.about-team-image:hover {
    transform: scale(1.02);
}

/* 我们的优势样式 */
.about-advantages {
    margin-top: 6rem;
    padding-top: 4rem;
    border-top: 2px solid #e2e8f0;
}

.about-advantages .section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: #1e293b;
    font-size: 2.5rem;
    font-weight: 700;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.advantage-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #f1f5f9;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    border-color: #3b82f6;
}

.advantage-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.advantage-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
    letter-spacing: -0.5px;
}

.advantage-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
    font-weight: 400;
}

/* 联系我们样式 */
.contact {
    padding: 30px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.contact-info h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1e293b;
}

.contact-item {
    margin-bottom: 1.5rem;
    color: #475569;
    font-size: 1.05rem;
}

.wechat-qr {
    margin-top: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.wechat-qr strong {
    color: #1e293b;
    font-weight: 600;
    white-space: nowrap;
    padding-top: 0.5rem;
}

.wechat-qr-image {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    object-fit: cover;
}

.contact-item strong {
    color: #1e293b;
    min-width: 60px;
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
    background: white;
    cursor: text;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1e40af;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

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

/* 页脚样式 */
.footer {
    background: #1e293b;
    color: white;
    padding: 70px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3.5rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
    line-height: 1.8;
}

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

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* 科技感动画效果 */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(6, 182, 212, 0); }
    100% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

/* 科技感滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--tech-blue), var(--accent-color));
    z-index: 10001;
    width: 0%;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px var(--tech-blue);
}

/* 科技感通知消息 */
.notification {
    position: fixed;
    top: 90px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 10000;
    animation: slideInRight 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2),
                0 0 20px rgba(6, 182, 212, 0.3);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .about-content, 
    .contact-content {
        gap: 3rem;
    }
}

@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: 0 10px 27px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
        gap: 1.5rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 5% 80px;
        gap: 3rem;
        justify-content: flex-start;
    }
    
    .hero-content {
        flex: 1 1 100%;
        max-width: 100%;
        padding: 0;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
        text-align: center;
    }
    
    .hero-description {
        text-align: center;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-image {
        flex: 1 1 100%;
        padding: 0;
        max-width: 450px;
        margin: 0 auto;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .camera-products-grid,
    .drone-platforms-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-grid,
    .applications-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .about-advantages .section-title {
        font-size: 2rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .advantage-card {
        padding: 2rem 1.5rem;
    }
    
    .stat h4 {
        font-size: 2rem;
    }
    
    .hero::before {
        background-size: 30px 30px, 30px 30px, 100% 100%, 100% 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 3% 60px;
        gap: 2rem;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.3;
        letter-spacing: -0.5px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
        max-width: 100%;
        line-height: 1.6;
    }
    
    .hero-image {
        max-width: 350px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        gap: 2rem;
    }
}