main {
    width: min(1220px, 93vw);
    margin: 1.15rem auto 1.8rem;
    padding: 0.34rem 0 1.1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

main > h2 {
    position: relative;
    margin-bottom: 0.35rem;
    padding-bottom: 0;
}

.main-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.05rem;
    align-items: start;
}

.main-section {
    position: relative;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: 1.2rem 1.04rem;
    text-align: center;
    background: rgba(14, 22, 18, 0.84);
    background: var(--card);
    backdrop-filter: blur(6px);
    box-shadow: var(--shadow-2);
    overflow: hidden;
    animation: panelRise 0.45s ease;
}

.main-section::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    border-top: 3px solid rgba(114, 201, 142, 0.66);
    pointer-events: none;
}

.main-section::after {
    content: "";
    position: absolute;
    right: -54px;
    bottom: -54px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(199, 154, 95, 0.24), rgba(199, 154, 95, 0.04) 64%, transparent 72%);
    pointer-events: none;
}

.main-sections .main-section:only-child {
    grid-column: 1 / -1;
}

.main-section strong {
    color: #f4fbff;
}

canvas {
    width: 100%;
    max-width: 100%;
    min-height: 260px;
    margin-top: 0.62rem;
    border-radius: var(--radius-md);
    padding: 0.55rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line);
}

.train-image-placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 160px;
    margin-bottom: 0.52rem;
}

@keyframes panelRise {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 900px) {
    main {
        width: min(95vw, 1200px);
    }

    .main-sections {
        grid-template-columns: 1fr;
    }

    .main-section {
        padding: 1.02rem 0.88rem;
    }
}