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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 30px;
    position: relative;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: inherit;
}

.nav-logo {
    height: 50px;
    width: auto;
}

.nav-company-name {
    color: white;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-menu li a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 5px;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer {
    background: #1a1a2e;
    color: white;
    text-align: center;
    padding: 30px;
}

.footer p {
    opacity: 0.8;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.footer-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    text-align: left;
}

.footer-col h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 16px;
}

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

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 14px;
}

.footer-col a:hover {
    color: white;
    text-decoration: underline;
}

.footer-col p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
}

.footer-bottom {
    max-width: 1100px;
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 20px;
    }

    .nav-menu {
        gap: 20px;
    }
}