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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #0066cc;
}

.logo-sub {
    font-size: 10px;
    color: #666;
    letter-spacing: 2px;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #0066cc;
}

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

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #333;
}

.hero {
    min-height: calc(50vh - 80px);
    max-height: 900px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 80px;
}

.hero-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #050510 0%, #0d1530 30%, #0a1025 70%, #050510 100%);
    z-index: 0;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 15% 40%, rgba(0, 102, 204, 0.4) 0%, transparent 45%),
        radial-gradient(circle at 85% 60%, rgba(0, 168, 255, 0.3) 0%, transparent 40%),
        radial-gradient(circle at 50% 90%, rgba(0, 201, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 30% 70%, rgba(100, 200, 255, 0.15) 0%, transparent 30%),
        radial-gradient(circle at 70% 20%, rgba(50, 150, 255, 0.2) 0%, transparent 35%);
    animation: pulseGlow 6s ease-in-out infinite;
}

.hero-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background-image: 
        linear-gradient(rgba(0, 102, 204, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: gridScroll 25s linear infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

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

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

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 168, 255, 0.6);
    border-radius: 50%;
    animation: floatParticle 8s ease-in-out infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; top: 60%; animation-delay: 1s; }
.particle:nth-child(3) { left: 30%; top: 30%; animation-delay: 2s; }
.particle:nth-child(4) { left: 40%; top: 80%; animation-delay: 3s; }
.particle:nth-child(5) { left: 50%; top: 40%; animation-delay: 4s; }
.particle:nth-child(6) { left: 60%; top: 10%; animation-delay: 5s; }
.particle:nth-child(7) { left: 70%; top: 70%; animation-delay: 6s; }
.particle:nth-child(8) { left: 80%; top: 50%; animation-delay: 7s; }
.particle:nth-child(9) { left: 90%; top: 30%; animation-delay: 0.5s; }
.particle:nth-child(10) { left: 15%; top: 90%; animation-delay: 2.5s; }

@keyframes floatParticle {
    0%, 100% { 
        transform: translateY(0) translateX(0) scale(1); 
        opacity: 0.3; 
    }
    25% { 
        transform: translateY(-30px) translateX(10px) scale(1.2); 
        opacity: 0.8; 
    }
    50% { 
        transform: translateY(-60px) translateX(-10px) scale(1); 
        opacity: 0.5; 
    }
    75% { 
        transform: translateY(-30px) translateX(5px) scale(0.8); 
        opacity: 0.7; 
    }
}

.hero-overlay {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 50px 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-title {
    font-size: 58px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 25px;
    line-height: 1.2;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #fff 0%, #00a8ff 50%, #fff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(0, 168, 255, 0.3);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 26px;
    color: #00c9ff;
    margin-bottom: 45px;
    font-weight: 300;
    letter-spacing: 3px;
    text-transform: uppercase;
    animation: fadeInUp 1s ease 0.3s backwards;
}

.hero-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #0066cc 0%, #00a8ff 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.6);
    background: linear-gradient(135deg, #0077dd 0%, #00b8ff 100%);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s;
}

.btn-primary:hover::after {
    left: 100%;
}

.btn-secondary {
    border: 2px solid rgba(0, 168, 255, 0.6);
    color: #00a8ff;
    background: rgba(0, 102, 204, 0.1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(0, 102, 204, 0.2);
    border-color: #00a8ff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.3);
}

.about {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 16px;
    color: #666;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text h3 {
    font-size: 24px;
    color: #0066cc;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
}

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

.stat-item {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #f5f9ff 0%, #e8f4ff 100%);
    border-radius: 15px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #0066cc;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    color: #666;
}

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

.service-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #0066cc 0%, #00a8ff 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.service-icon svg {
    width: 30px;
    height: 30px;
}

.service-card h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
}

.service-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.values {
    background: linear-gradient(135deg, #f5f9ff 0%, #e8f4ff 100%);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.value-item {
    text-align: center;
    padding: 30px;
}

.value-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    background: #0066cc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.value-icon svg {
    width: 25px;
    height: 25px;
}

.value-item h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.value-item p {
    font-size: 14px;
    color: #666;
}

.contact-qr {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 0;
}

.qr-container {
    text-align: center;
    animation: fadeInUp 0.8s ease;
}

.qr-code {
    width: 280px;
    height: 280px;
    margin: 0 auto 30px;
    background: #fff;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 10px 40px rgba(0, 102, 204, 0.2);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code:hover {
    transform: scale(1.05);
}

.qr-code img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.qr-code svg {
    width: 100%;
    height: 100%;
}

.qr-text h3 {
    font-size: 24px;
    color: #0066cc;
    margin-bottom: 10px;
}

.qr-text p {
    font-size: 16px;
    color: #666;
    margin-bottom: 5px;
}

.qr-hint {
    font-size: 14px;
    color: #999;
    margin-top: 10px;
}

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

.footer {
    background: #1a1a2e;
    color: #fff;
    padding: 60px 0 30px;
}

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

.footer-section .logo {
    margin-bottom: 15px;
}

.footer-section p {
    font-size: 14px;
    color: #999;
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-section ul {
    list-style: none;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-section ul li {
    margin-bottom: 0;
}

.footer-section ul li a {
    color: #999;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #00a8ff;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #0066cc;
    color: #fff;
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.wechat-qr {
    text-align: center;
}

.wechat-qr img {
    width: 100px;
    height: 100px;
    border-radius: 10px;
    margin-bottom: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.wechat-qr p {
    font-size: 12px;
    color: #999;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: #666;
    margin-bottom: 5px;
}

.footer-bottom a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #00a8ff;
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        display: none;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 60px 20px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .hero-buttons .btn {
        width: 100%;
    }

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

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

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

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

    .qr-code {
        width: 240px;
        height: 240px;
    }

    .qr-text h3 {
        font-size: 20px;
    }

    .qr-text p {
        font-size: 14px;
    }

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

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
    }

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

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

    .hero-title {
        font-size: 28px;
    }
}