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

:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #06b6d4;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    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 .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h1 {
    font-size: 1.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

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

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

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

/* Hero区域 - 科幻动态背景 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 25%, #0d1f3c 50%, #1a0a2e 75%, #0a0a1a 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(0, 200, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(0, 255, 200, 0.08) 0%, transparent 60%);
    animation: gradientPulse 8s ease-in-out infinite;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

/* 科幻网格 */
.cyber-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(0, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    animation: gridMove 20s linear infinite;
    perspective: 500px;
    transform: rotateX(60deg) scale(2.5);
    transform-origin: center bottom;
    opacity: 0.6;
}

/* 浮动粒子 */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 255, 255, 0.8);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5), 0 0 20px rgba(0, 255, 255, 0.3);
    animation: floatParticle 15s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 14s; background: rgba(138, 43, 226, 0.8); box-shadow: 0 0 10px rgba(138, 43, 226, 0.5); }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 16s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 13s; background: rgba(0, 255, 200, 0.8); box-shadow: 0 0 10px rgba(0, 255, 200, 0.5); }
.particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 15s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 11s; background: rgba(138, 43, 226, 0.8); box-shadow: 0 0 10px rgba(138, 43, 226, 0.5); }
.particle:nth-child(7) { left: 70%; animation-delay: 2s; animation-duration: 17s; }
.particle:nth-child(8) { left: 80%; animation-delay: 4s; animation-duration: 14s; background: rgba(0, 255, 200, 0.8); box-shadow: 0 0 10px rgba(0, 255, 200, 0.5); }
.particle:nth-child(9) { left: 90%; animation-delay: 1s; animation-duration: 12s; }
.particle:nth-child(10) { left: 15%; animation-delay: 6s; animation-duration: 18s; background: rgba(255, 100, 150, 0.8); box-shadow: 0 0 10px rgba(255, 100, 150, 0.5); }
.particle:nth-child(11) { left: 45%; animation-delay: 3s; animation-duration: 13s; }
.particle:nth-child(12) { left: 75%; animation-delay: 5s; animation-duration: 16s; background: rgba(255, 200, 0, 0.8); box-shadow: 0 0 10px rgba(255, 200, 0, 0.5); }

/* 光束效果 */
.light-beams {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.beam {
    position: absolute;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 255, 255, 0.4), transparent);
    animation: beamMove 8s infinite ease-in-out;
}

.beam:nth-child(1) { left: 20%; animation-delay: 0s; }
.beam:nth-child(2) { left: 50%; animation-delay: 2s; background: linear-gradient(to bottom, transparent, rgba(138, 43, 226, 0.4), transparent); }
.beam:nth-child(3) { left: 80%; animation-delay: 4s; background: linear-gradient(to bottom, transparent, rgba(0, 255, 200, 0.4), transparent); }

/* 科技圆环 */
.tech-circles {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
}

.circle {
    position: absolute;
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.circle-1 {
    width: 300px;
    height: 300px;
    animation: rotateCircle 20s linear infinite;
    border-style: dashed;
}

.circle-2 {
    width: 450px;
    height: 450px;
    animation: rotateCircle 30s linear infinite reverse;
    border-color: rgba(138, 43, 226, 0.2);
}

.circle-3 {
    width: 600px;
    height: 600px;
    animation: rotateCircle 40s linear infinite;
    border-color: rgba(0, 255, 200, 0.15);
    border-style: dotted;
}

/* 数据流 */
.data-streams {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.stream {
    position: absolute;
    width: 1px;
    height: 100px;
    background: linear-gradient(to bottom, transparent, rgba(0, 255, 255, 0.8), transparent);
    animation: dataStream 3s infinite linear;
}

.stream:nth-child(1) { left: 5%; animation-delay: 0s; }
.stream:nth-child(2) { left: 25%; animation-delay: 0.5s; height: 80px; }
.stream:nth-child(3) { left: 55%; animation-delay: 1s; height: 120px; background: linear-gradient(to bottom, transparent, rgba(138, 43, 226, 0.8), transparent); }
.stream:nth-child(4) { left: 75%; animation-delay: 1.5s; height: 60px; }
.stream:nth-child(5) { left: 95%; animation-delay: 2s; height: 100px; background: linear-gradient(to bottom, transparent, rgba(0, 255, 200, 0.8), transparent); }

/* 科幻动画关键帧 */
@keyframes gradientPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes gridMove {
    0% { background-position: 0 0, 0 0, 0 0, 0 0; }
    100% { background-position: 100px 100px, 100px 100px, 20px 20px, 20px 20px; }
}

@keyframes floatParticle {
    0% { 
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(10vh) scale(1);
    }
    100% { 
        transform: translateY(-10vh) scale(0);
        opacity: 0;
    }
}

@keyframes beamMove {
    0%, 100% { 
        opacity: 0;
        transform: translateX(0) scaleY(0.5);
    }
    50% { 
        opacity: 1;
        transform: translateX(20px) scaleY(1);
    }
}

@keyframes rotateCircle {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes dataStream {
    0% { 
        top: -100px;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% { 
        top: 100%;
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

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

.hero-description {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.95;
    line-height: 1.8;
}

.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;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

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

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 30px;
    border-right: 3px solid white;
    border-bottom: 3px solid white;
    transform: rotate(45deg);
}

/* 通用区块样式 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 关于我们 */
.about {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

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

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

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

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 1rem;
}

/* 核心产品 */
.products {
    background: var(--bg-light);
}

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

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

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

.product-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

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

.product-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 核心技术 */
.technology {
    background: var(--bg-white);
}

.tech-grid {
    display: grid;
    gap: 3rem;
}

.tech-card {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 20px;
    position: relative;
    transition: all 0.3s ease;
    border-left: 5px solid transparent;
}

.tech-card:hover {
    transform: translateX(10px);
    border-left-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.tech-number {
    position: absolute;
    top: -20px;
    left: 30px;
    font-size: 4rem;
    font-weight: 700;
    color: rgba(37, 99, 235, 0.1);
    z-index: 0;
}

.tech-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    position: relative;
    z-index: 1;
}

.tech-card p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.tech-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.tech-features li {
    padding: 0.8rem 1.2rem;
    background: white;
    border-radius: 10px;
    color: var(--text-dark);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.tech-features li::before {
    content: '✓ ';
    color: var(--primary-color);
    font-weight: 700;
    margin-right: 0.5rem;
}

/* 荣誉资质 */
.honors {
    background: var(--bg-light);
}

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

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

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

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

.honor-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.honor-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 联系我们 */
.contact {
    background: var(--bg-white);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-details p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 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,
.footer-section h4 {
    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 a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section 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);
}

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

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

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

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

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

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

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

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

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

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .tech-card {
        padding: 2rem 1.5rem;
    }

    .tech-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

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

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

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