.container {
    max-width: 1400px;
    margin: 0 auto;
}
.main-title {
    text-align: center;
    margin-bottom: 24px;
    color: #0f172a;
}
.step-indicator {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}
.step {
    padding: 8px 20px;
    background: #e2e8f0;
    border-radius: 40px;
    color: #475569;
    font-weight: 500;
}
.step.active {
    background: #8b5cf6;
    color: white;
}
.step-content {
    display: none;
    background: white;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
    margin-bottom: 24px;
    border: 1px solid rgba(0,0,0,0.04);
}
.step-content.active {
    display: block;
}
.sub-nav {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 8px;
}
.sub-nav-btn {
    background: transparent;
    border: none;
    padding: 8px 16px;
    font-size: 1rem;
    color: #64748b;
    cursor: pointer;
    border-radius: 30px;
}
.sub-nav-btn.active {
    background: #8b5cf6;
    color: white;
}
.sub-page {
    display: none;
}
.sub-page.active {
    display: block;
}
.step-actions {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
    margin-top: 24px;
}
.info-box {
    background: #f1f5f9;
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 20px;
}