.quickstart-article {
    width: min(1040px, calc(100% - 3rem));
    margin: 0 auto;
    padding: 7rem 0;
    opacity: 1;
    transform: none;
}

.quickstart-hero {
    max-width: 760px;
    margin-bottom: 4rem;
}

.quickstart-hero h1 {
    margin-bottom: 1.25rem;
    font-size: clamp(2.4rem, 6vw, 5rem);
    letter-spacing: 0;
}

.quickstart-hero p:last-child {
    max-width: 640px;
    font-size: 1.08rem;
}

.quickstart-section {
    padding: 3.25rem 0;
    border-top: 1px solid var(--border-color);
}

.section-kicker {
    margin-bottom: 0.85rem;
    color: var(--accent-color);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.quickstart-section h2 {
    max-width: 760px;
    margin-bottom: 1rem;
    font-size: clamp(1.85rem, 4vw, 3rem);
    letter-spacing: 0;
}

.quickstart-section h3 {
    margin-bottom: 0.55rem;
    font-size: 1.2rem;
    letter-spacing: 0;
}

.quickstart-section p,
.quickstart-section li {
    font-size: 1rem;
    line-height: 1.7;
}

.quickstart-section a {
    color: var(--text-primary);
    text-decoration-color: var(--accent-color);
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

.model-panels,
.model-grid,
.project-list {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.model-panel,
.model-grid > div,
.project-card,
.step-item,
.setup-list > div {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
}

.plain-note {
    margin-top: 0.65rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.step-list,
.setup-list {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.step-item,
.setup-list > div,
.model-panel,
.model-grid > div,
.project-card {
    padding: 1.15rem;
}

.setup-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.setup-list strong,
.model-grid strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1.05rem;
}

.model-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 2rem;
}

.model-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.model-grid ul {
    display: grid;
    gap: 0.5rem;
    margin-top: 0.85rem;
    padding-left: 1.15rem;
}

.text-link {
    margin-top: 0.75rem;
}

.project-list {
    grid-template-columns: 1fr;
}

.project-card pre {
    margin-top: 1rem;
}

.quickstart-section pre {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    text-align: left;
}

.quickstart-section code {
    padding: 0.1rem 0.25rem;
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
    font-size: 0.92em;
}

.quickstart-section pre code {
    display: block;
    padding: 1rem;
    background: transparent;
    white-space: pre-wrap;
}

@media (max-width: 980px) {
    .setup-list,
    .model-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .quickstart-article {
        width: min(100% - 2rem, 1040px);
        padding: 6.5rem 0 4rem;
    }

    .setup-list,
    .model-panels,
    .model-grid {
        grid-template-columns: 1fr;
    }
}