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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --dark: #0f172a;
    --text: #334155;
    --muted: #94a3b8;
    --light: #f8fafc;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid #e2e8f0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-mark { font-size: 1.8rem; color: var(--primary); }

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

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

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

.mobile-menu { display: none; font-size: 1.5rem; cursor: pointer; }

.page-hero {
    padding: 140px 0 80px;
    background: var(--light);
    text-align: center;
}

.page-hero h1 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 16px;
}

.page-hero p { color: var(--muted); }

.intro, .values, .team, .services-page, .contact-page {
    padding: 80px 0;
}

.intro h2, .values h2, .team h2, .services-page h2, .contact-page h2 {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 24px;
}

.intro p {
    color: var(--muted);
    margin-bottom: 16px;
}

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

.value-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--light);
    border-radius: 12px;
}

.value-icon { font-size: 3rem; margin-bottom: 16px; }

.value-item h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.value-item p { color: var(--muted); }

.team {
    background: var(--light);
    text-align: center;
}

.team p { color: var(--muted); margin-bottom: 40px; }

.team-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.team-stats div {
    font-size: 1.1rem;
    color: var(--text);
}

.team-stats strong {
    color: var(--primary);
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}

.service-detail {
    padding: 40px;
    background: var(--light);
    border-radius: 12px;
    margin-bottom: 30px;
}

.service-detail h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.service-detail p { color: var(--muted); margin-bottom: 20px; }

.service-detail ul {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    list-style: none;
}

.service-detail li {
    padding: 8px 0;
    color: var(--text);
}

.service-detail li::before {
    content: "✓ ";
    color: var(--primary);
    margin-right: 8px;
}

.cta {
    padding: 80px 0;
    background: var(--primary);
    text-align: center;
    color: var(--white);
}

.cta h2 { font-size: 2rem; margin-bottom: 16px; }

.cta p { margin-bottom: 32px; opacity: 0.9; }

.btn {
    display: inline-block;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

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

.btn-primary:hover { background: var(--primary-dark); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.info-item {
    padding: 20px;
    background: var(--light);
    border-radius: 8px;
    margin-bottom: 16px;
}

.info-item strong { color: var(--dark); }

.info-item a { color: var(--primary); }

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-weight: 700;
    font-size: 1.2rem;
}

.footer-logo .logo-mark { color: var(--white); }

.footer-col p { color: rgba(255,255,255,0.6); margin-bottom: 8px; }

.footer-col h4 { margin-bottom: 20px; }

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

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

.footer-col a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
}

.footer-col a:hover { color: var(--white); }

.footer-copy {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.4);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav ul { display: none; }
    .mobile-menu { display: block; }
    .values-grid { grid-template-columns: 1fr; }
    .service-detail ul { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .team-stats { flex-direction: column; gap: 30px; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
}