.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo-img {
    height: auto;
    width: 250px;
}

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

.header-logo-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a365d;
    line-height: 1.2;
}

.header-logo-subtitle {
    font-size: 12px;
    color: #718096;
    line-height: 1.2;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.header-nav-item {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #4a5568;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.header-nav-item:hover {
    color: #0066FF;
    background: rgba(0, 102, 255, 0.06);
}

.header-nav-item.active {
    color: #0066FF;
    background: rgba(0, 102, 255, 0.1);
}

.header-nav-item i {
    margin-right: 6px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.header-btn-outline {
    color: #0066FF;
    border: 1px solid #0066FF;
    background: transparent;
}

.header-btn-outline:hover {
    background: rgba(0, 102, 255, 0.08);
}

.header-btn-primary {
    color: #ffffff;
    background: linear-gradient(135deg, #0066FF 0%, #0052CC 100%);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.header-btn-primary:hover {
    background: linear-gradient(135deg, #0052CC 0%, #003D99 100%);
    box-shadow: 0 6px 16px rgba(0, 102, 255, 0.4);
    transform: translateY(-1px);
}

.header-menu-toggle {
    display: none;
    padding: 8px;
    font-size: 24px;
    color: #4a5568;
}

@media (max-width: 768px) {
    .header-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        padding: 24px;
        gap: 8px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .header-nav.active {
        transform: translateX(0);
    }

    .header-nav-item {
        width: 100%;
        padding: 16px;
        text-align: center;
        font-size: 16px;
    }

    .header-actions {
        display: none;
    }

    .header-menu-toggle {
        display: block;
    }
}