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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.logo-icon:hover {
    transform: rotate(15deg) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.logo-symbol {
    font-size: 1.2rem;
    color: white;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0.8rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-icon {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.nav-menu a:hover .nav-icon {
    transform: translateY(-2px);
}

.nav-menu a:hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    transform: translateY(-2px);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 80%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.hamburger:hover {
    background: rgba(37, 99, 235, 0.05);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.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);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.95) 0%, 
        rgba(30, 64, 175, 0.9) 50%,
        rgba(37, 99, 235, 0.85) 100%),
        url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.08" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
    animation: wave 15s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-content {
    text-align: center;
    color: white;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.team-section {
    position: relative;
    z-index: 1;
    padding: 1rem 0 1.5rem;
    margin-top: 0;
    border-radius: 15px 15px 0 0;
}

.team-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.15rem;
    color: white;
}

.team-subtitle {
    text-align: center;
    font-size: 0.8rem;
    color: white;
    margin-bottom: 1rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    max-width: 1600px;
    margin: 0 auto;
    justify-content: center;
}

.team-member {
    background: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 0.4rem;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.team-member:hover::before {
    transform: scaleX(1);
}

.member-avatar {
    width: 45px;
    height: 45px;
    margin: 0 auto 0.4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.avatar-icon {
    font-size: 1.2rem;
}

.team-member h3 {
    font-size: 0.75rem;
    margin-bottom: 0.1rem;
    color: var(--text-dark);
}

.member-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.5rem;
}

.member-desc {
    color: var(--text-light);
    line-height: 1.35;
    font-size: 0.48rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

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

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

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

section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.section-title .nav-icon {
    font-size: 1.5rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.services {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.95) 0%, 
        rgba(30, 64, 175, 0.9) 50%,
        rgba(37, 99, 235, 0.85) 100%),
        url('https://pic.rmb.bdstatic.com/bjh/news/2063538817e174fc376c1a75b43a3919.jpeg');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    z-index: 0;
}

.services .container {
    position: relative;
    z-index: 1;
}

.services .section-title,
.services .section-subtitle {
    color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.service-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.service-icon {
    font-size: 2.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--bg-light);
}

.service-features li:last-child {
    border-bottom: none;
}

.pricing {
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.pricing-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

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

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

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

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

.price .currency {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.price .amount {
    font-size: 3rem;
    color: var(--primary-color);
    font-weight: 700;
}

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

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--bg-light);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-card .btn {
    width: 100%;
    text-align: center;
}

.contact {
    background: white;
}

.recruitment {
    background: var(--bg-light);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.recruitment::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://inews.gtimg.com/news_ls/OvwTELPKe6kU2xiq9ZJMBVe8zv37u2D8XR3ULCOcSqsGwAA/0');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 0;
}

.recruitment .container {
    position: relative;
    z-index: 1;
}

.recruitment-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.recruitment-info {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.recruitment-info p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.recruitment-info ul {
    list-style: none;
    margin-left: 1rem;
}

.recruitment-info li {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.recruitment-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 600;
}

.recruitment-positions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.position-card {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

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

.position-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.position-requirement {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
}

.recruitment-contact {
    background: var(--gradient-primary);
    color: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.recruitment-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1573164713988-8665fc963095?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 0;
}

.recruitment-contact h3,
.recruitment-contact p {
    position: relative;
    z-index: 1;
}

.recruitment-contact h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.recruitment-contact p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

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

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

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

.contact-details h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-details p {
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.wechat-qr {
    margin-top: 1rem;
}

.qr-placeholder {
    width: 150px;
    height: 150px;
    background: var(--bg-light);
    border: 2px dashed var(--text-light);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 0.875rem;
    text-align: center;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--bg-light);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
}

footer {
    background: var(--text-dark);
    color: white;
    padding: 2rem 0 0.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-section h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0 0.5rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
    font-size: 0.85rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.footer-bottom p:hover {
    color: rgba(255, 255, 255, 0.9);
}

.footer-bottom a {
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
}

.footer-bottom a:hover {
    color: white;
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.footer-bottom .beian-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    margin: 0 0.25rem;
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 0.85rem;
}

.footer-bottom .beian-link:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
}

.footer-bottom .beian-link img {
    width: 16px;
    height: 16px;
    vertical-align: middle;
}

.footer-bottom .beian-link p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom .beian-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0;
}

.footer-bottom .copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
    padding: 0.4rem 0.6rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
    border-left: 2px solid var(--accent-color);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

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

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

    .nav-menu li {
        display: flex;
        justify-content: center;
    }

    .nav-menu a {
        justify-content: center;
        gap: 0.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .logo-container {
        gap: 0.3rem;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
    }

    .logo-symbol {
        font-size: 1rem;
    }

    .logo h2 {
        font-size: 1.2rem;
    }

    .team-title {
        font-size: 1.6rem;
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.4rem;
    }

    .team-member {
        padding: 0.4rem 0.3rem;
    }

    .member-avatar {
        width: 38px;
        height: 38px;
    }

    .avatar-icon {
        font-size: 1.1rem;
    }

    .team-member h3 {
        font-size: 0.65rem;
    }

    .member-role {
        font-size: 0.5rem;
    }

    .member-desc {
        font-size: 0.45rem;
        line-height: 1.3;
    }

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

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

html {
    scroll-behavior: smooth;
}