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

body {
    font-family: 'Roboto', 'Microsoft YaHei', 'Arial', sans-serif;
    line-height: 1.6;
    color: #e0e6ed;
    background: #0a0e1a;
    overflow-x: hidden;
}

/* 科技感字体应用 */
h1, h2, h3, .nav-logo h2 {
    font-family: 'Orbitron', 'Microsoft YaHei', monospace;
}

/* 科技风格背景动画 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(-20px) translateY(-10px); }
    50% { transform: translateX(20px) translateY(10px); }
    75% { transform: translateX(-10px) translateY(20px); }
}

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

/* 导航栏样式 */
.navbar {
    background: rgba(8, 12, 22, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: #00d4ff;
    font-size: 24px;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    position: relative;
}

.nav-logo h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #7c77c6);
    border-radius: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #ffffff;
    font-weight: 600;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 10px 18px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.15);
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.4);
    transform: translateY(-2px);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

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

.bar {
    width: 28px;
    height: 3px;
    background: #ffffff;
    margin: 4px 0;
    transition: 0.3s;
    border-radius: 2px;
    box-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

/* 首页横幅 */
.hero {
    background:
        linear-gradient(135deg, rgba(10, 14, 26, 0.9) 0%, rgba(20, 25, 40, 0.9) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(120,119,198,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    color: white;
    padding: 150px 0 100px;
    display: flex;
    align-items: center;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(124, 119, 198, 0.1) 0%, transparent 50%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: 700;
    background: linear-gradient(135deg, #00d4ff 0%, #7c77c6 50%, #ff77c6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    animation: textGlow 3s ease-in-out infinite alternate;
}

@keyframes textGlow {
    0% { filter: brightness(1); }
    100% { filter: brightness(1.2); }
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
    color: #b8c5d1;
    line-height: 1.6;
}

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

.btn {
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.4s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #7c77c6 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.4);
    background: linear-gradient(135deg, #00b8e6 0%, #6a5acd 100%);
}

.btn-secondary {
    background: transparent;
    color: #00d4ff;
    border: 2px solid #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
    transform: translateY(-3px);
}

.hero-icon {
    font-size: 15rem;
    color: #00d4ff;
    text-align: center;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
    text-shadow: 0 0 50px rgba(0, 212, 255, 0.5);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 通用区块样式 */
section {
    padding: 80px 0;
    background: rgba(10, 14, 26, 0.8);
    position: relative;
}

section:nth-child(even) {
    background: rgba(15, 20, 35, 0.8);
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 50px;
    color: #e0e6ed;
    font-weight: 700;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #00d4ff, #7c77c6);
    border-radius: 2px;
}

/* 服务区块 */
.services {
    background: rgba(15, 20, 35, 0.9);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(0,212,255,0.1)"/></svg>') repeat;
    background-size: 50px 50px;
    animation: particleMove 20s linear infinite;
}

@keyframes particleMove {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(-50px) translateY(-50px); }
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 2;
}

.service-card {
    background: rgba(20, 25, 40, 0.8);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(124, 119, 198, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-15px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.service-icon {
    font-size: 3.5rem;
    color: #00d4ff;
    margin-bottom: 25px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    transition: all 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.8);
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: #e0e6ed;
    font-weight: 600;
}

.service-card p {
    color: #b8c5d1;
    line-height: 1.7;
    font-size: 15px;
}

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

.about h2 {
    font-size: 2.8rem;
    margin-bottom: 30px;
    color: #e0e6ed;
    font-weight: 700;
}

.about p {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #b8c5d1;
    line-height: 1.8;
}

.stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(0, 212, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 212, 255, 0.2);
}

.stat-item h3 {
    font-size: 2.8rem;
    color: #00d4ff;
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.stat-item p {
    color: #e0e6ed;
    font-size: 1rem;
    font-weight: 500;
}

.about-icon {
    font-size: 15rem;
    color: rgba(0, 212, 255, 0.2);
    text-align: center;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.4; }
}

/* 案例展示区块 */
.portfolio {
    background: rgba(10, 14, 26, 0.9);
    position: relative;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 25% 25%, rgba(124, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    animation: portfolioGlow 10s ease-in-out infinite alternate;
}

@keyframes portfolioGlow {
    0% { opacity: 0.3; }
    100% { opacity: 0.7; }
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 2;
}

.portfolio-item {
    background: rgba(20, 25, 40, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
    position: relative;
}

.portfolio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(124, 119, 198, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

.portfolio-item:hover::before {
    opacity: 1;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.portfolio-image {
    background: linear-gradient(135deg, #00d4ff 0%, #7c77c6 100%);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.portfolio-content {
    padding: 30px;
    position: relative;
    z-index: 2;
}

.portfolio-content h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: #e0e6ed;
    font-weight: 600;
}

.portfolio-content p {
    color: #b8c5d1;
    line-height: 1.7;
    font-size: 15px;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 10px;
    border-left: 3px solid #00d4ff;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateX(10px);
}

.contact-item i {
    font-size: 1.8rem;
    color: #00d4ff;
    margin-top: 5px;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.contact-item h4 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: #e0e6ed;
    font-weight: 600;
}

.contact-item p {
    color: #b8c5d1;
    font-size: 15px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(20, 25, 40, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    font-size: 1rem;
    color: #e0e6ed;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #8a9ba8;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    background: rgba(20, 25, 40, 0.9);
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, rgba(10, 14, 26, 0.95) 0%, rgba(15, 20, 35, 0.95) 100%);
    color: white;
    padding: 50px 0 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footerGrid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(0,212,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23footerGrid)"/></svg>') repeat;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: #00d4ff;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #b8c5d1;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 5px 0;
    display: inline-block;
}

.footer-section ul li a:hover {
    color: #00d4ff;
    transform: translateX(5px);
}

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

.social-links a {
    color: #b8c5d1;
    font-size: 1.8rem;
    transition: all 0.3s ease;
    padding: 10px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.social-links a:hover {
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    color: #8a9ba8;
    position: relative;
    z-index: 2;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(8, 12, 22, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.3);
        padding: 20px 0;
        border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}