.knowledge-shell {
    padding-bottom: 72px;
}

.knowledge-hero {
    position: relative;
    overflow: hidden;
    margin-top: 18px;
    padding: clamp(28px, 6vw, 64px);
    border-radius: 30px;
}

.knowledge-hero::after {
    position: absolute;
    right: -110px;
    bottom: -160px;
    width: 360px;
    height: 360px;
    border: 1px solid rgba(245, 196, 81, .18);
    border-radius: 50%;
    box-shadow: 0 0 0 34px rgba(245, 196, 81, .035), 0 0 0 78px rgba(245, 196, 81, .02);
    content: "";
}

.knowledge-hero > * {
    position: relative;
    z-index: 1;
}

.knowledge-hero h1 {
    max-width: 940px;
}

.knowledge-lead {
    max-width: 850px;
    margin: 18px 0 0;
    color: #c6d0de;
    font-size: clamp(1rem, 2vw, 1.18rem);
}

.knowledge-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-top: 24px;
    color: var(--muted);
    font-size: .92rem;
}

.knowledge-path {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin: 22px 0 0;
}

.knowledge-path-item {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(7, 9, 13, .5);
}

.knowledge-path-item strong {
    display: block;
    color: var(--gold);
}

.knowledge-path-item span {
    color: var(--muted);
    font-size: .92rem;
}

.knowledge-layout {
    display: grid;
    grid-template-columns: minmax(220px, .32fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    margin-top: 26px;
}

.knowledge-toc {
    position: sticky;
    top: 94px;
    padding: 22px;
    border-radius: 22px;
}

.knowledge-toc strong {
    display: block;
    margin-bottom: 10px;
    color: #fff;
}

.knowledge-toc ol {
    display: grid;
    gap: 9px;
    margin: 0;
    padding-left: 20px;
}

.knowledge-toc a {
    color: #cdd6e2;
    text-decoration: none;
}

.knowledge-toc a:hover,
.knowledge-toc a:focus-visible {
    color: var(--gold);
}

.knowledge-content {
    min-width: 0;
}

.knowledge-section,
.knowledge-panel {
    margin-bottom: 22px;
    padding: clamp(22px, 4vw, 38px);
    border-radius: 24px;
}

.knowledge-section h2,
.knowledge-panel h2 {
    margin: 0 0 14px;
    font-size: clamp(1.45rem, 3vw, 2rem);
}

.knowledge-section h3 {
    margin: 26px 0 10px;
    color: #ffe5a1;
    font-size: 1.12rem;
}

.knowledge-section p:last-child,
.knowledge-panel p:last-child {
    margin-bottom: 0;
}

.knowledge-section li + li {
    margin-top: 8px;
}

.knowledge-callout {
    margin: 20px 0;
    padding: 18px 20px;
    border-left: 4px solid var(--gold);
    border-radius: 0 16px 16px 0;
    background: rgba(245, 196, 81, .08);
}

.knowledge-warning {
    margin-top: 20px;
    padding: 18px 20px;
    border: 1px solid rgba(255, 195, 95, .3);
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(245, 196, 81, .12), rgba(255, 125, 125, .06));
}

.knowledge-warning strong {
    color: #ffe09a;
}

.knowledge-table-wrap {
    max-width: 100%;
    overflow-x: auto;
    margin: 18px 0;
    border: 1px solid var(--line);
    border-radius: 16px;
}

.knowledge-table {
    width: 100%;
    min-width: 620px;
    border-collapse: collapse;
    background: rgba(6, 9, 14, .42);
}

.knowledge-table caption {
    padding: 14px 16px;
    color: var(--muted);
    text-align: left;
}

.knowledge-table th,
.knowledge-table td {
    padding: 13px 16px;
    border-top: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.knowledge-table th {
    color: #ffe5a1;
    background: rgba(245, 196, 81, .06);
}

.knowledge-card-grid,
.knowledge-related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.knowledge-card {
    display: flex;
    min-height: 180px;
    flex-direction: column;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 20px;
    color: inherit;
    background: linear-gradient(145deg, rgba(20, 28, 40, .86), rgba(10, 14, 21, .92));
    text-decoration: none;
}

.knowledge-overview-card {
    min-height: 0;
    margin-bottom: 18px;
    border-color: rgba(245, 196, 81, .28);
    background: linear-gradient(135deg, rgba(82, 55, 9, .28), rgba(10, 14, 21, .94));
}

.knowledge-card:hover {
    border-color: rgba(245, 196, 81, .34);
    color: inherit;
    transform: translateY(-2px);
}

.knowledge-card small {
    color: var(--gold);
    font-weight: 800;
    letter-spacing: .04em;
}

.knowledge-card h2,
.knowledge-card h3 {
    margin: 8px 0 10px;
    color: #fff;
    font-size: 1.25rem;
}

.knowledge-card p {
    margin: 0;
    color: var(--muted);
}

.knowledge-card .knowledge-card-action {
    margin-top: auto;
    padding-top: 18px;
    color: #ffd978;
    font-weight: 800;
}

.knowledge-roadmap {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.knowledge-roadmap span {
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    color: #c6d0de;
    background: rgba(7, 9, 13, .42);
}

.knowledge-faq details {
    border-top: 1px solid var(--line);
}

.knowledge-faq details:last-child {
    border-bottom: 1px solid var(--line);
}

.knowledge-faq summary {
    padding: 17px 4px;
    color: #fff;
    cursor: pointer;
    font-weight: 800;
}

.knowledge-faq details p {
    margin: 0;
    padding: 0 4px 18px;
    color: #c5ceda;
}

.knowledge-references {
    margin: 0;
    padding-left: 22px;
}

.knowledge-references li + li {
    margin-top: 10px;
}

.knowledge-status {
    display: inline-flex;
    margin-left: 6px;
    padding: 2px 8px;
    border: 1px solid var(--line);
    border-radius: 99px;
    color: var(--muted);
    font-size: .78rem;
}

@media (max-width: 880px) {
    .knowledge-layout {
        grid-template-columns: 1fr;
    }

    .knowledge-toc {
        position: static;
    }

    .knowledge-path,
    .knowledge-roadmap {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .knowledge-card-grid,
    .knowledge-related-grid {
        grid-template-columns: 1fr;
    }

    .knowledge-hero,
    .knowledge-section,
    .knowledge-panel {
        border-radius: 20px;
    }

    .knowledge-table th,
    .knowledge-table td {
        padding: 11px 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .knowledge-card {
        transition: none;
    }
}

.knowledge-hero-banner {
    margin-top: 24px;
    overflow: hidden;
    border-radius: 20px;
    border: 1px solid rgba(245, 196, 81, .28);
    box-shadow: 0 16px 40px rgba(0, 0, 0, .45);
}

.knowledge-hero-banner img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}