.xgr-text-blocks {
    --xgr-tb-page-bg: var(--xg-page-gradient, radial-gradient(1200px 760px at 0% 0%, rgba(0, 0, 0, 0.055), rgba(0, 0, 0, 0) 58%), radial-gradient(980px 640px at 100% 10%, rgba(0, 0, 0, 0.028), rgba(0, 0, 0, 0) 56%));
    --xgr-tb-card-bg: #ffffff;
    --xgr-tb-subcard-bg: rgba(255, 255, 255, 0.84);
    --xgr-tb-border: rgba(0, 0, 0, 0.08);
    --xgr-tb-border-strong: rgba(0, 0, 0, 0.14);
    --xgr-tb-text: #101820;
    --xgr-tb-muted: rgba(16, 24, 32, 0.72);
    --xgr-tb-accent: #111111;
    --xgr-tb-accent-soft: rgba(0, 0, 0, 0.06);
    --xgr-tb-shadow: 0 20px 46px rgba(0, 0, 0, 0.12);
    --xgr-tb-focus: #1e40af;
    --xgr-tb-divider: rgba(0, 0, 0, 0.12);
    --xgr-tb-radius: 16px;
    max-width: 1500px;
    width: 100%;
    margin: 32px auto;
    padding: 0 16px;
    box-sizing: border-box;
    color: var(--xgr-tb-text);
    font-size: clamp(16px, 1.6vw, 18px);
    line-height: 1.7;
}

.xgr-text-blocks .xgr-text-blocks__card {
    background-color: var(--xgr-tb-card-bg);
    background-image: var(--xgr-tb-page-bg);
    background-repeat: no-repeat;
    background-position: top left;
    border-radius: var(--xgr-tb-radius);
    border: 1px solid var(--xgr-tb-border);
    box-shadow: var(--xgr-tb-shadow);
    padding: 34px;
}

.xgr-text-blocks .xgr-text-blocks__intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 28px;
    align-items: start;
}

.xgr-text-blocks .xgr-text-blocks__header {
    min-width: 0;
}

.xgr-text-blocks .xgr-text-blocks__header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.xgr-text-blocks .xgr-text-blocks__title {
    margin: 0;
    color: var(--xgr-tb-text);
    font-size: clamp(1.5rem, 3.4vw, 2.2rem);
    line-height: 1.18;
    letter-spacing: -0.02em;
}

.xgr-text-blocks .xgr-text-blocks__print-btn {
    appearance: none;
    border: 1px solid var(--xgr-tb-border-strong);
    background: var(--xgr-tb-card-bg);
    color: var(--xgr-tb-text);
    border-radius: 999px;
    padding: 10px 16px;
    min-height: 42px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
}

.xgr-text-blocks .xgr-text-blocks__print-btn:hover {
    border-color: var(--xgr-tb-accent);
    background: var(--xgr-tb-accent-soft);
    transform: translateY(-1px);
}

.xgr-text-blocks .xgr-text-blocks__meta {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.xgr-text-blocks .xgr-text-blocks__chip {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--xgr-tb-border-strong);
    background: var(--xgr-tb-card-bg);
    color: var(--xgr-tb-muted);
    border-radius: 999px;
    padding: 7px 12px;
    font-size: 0.9rem;
    text-decoration: none;
}

.xgr-text-blocks .xgr-text-blocks__chip--link:hover {
    border-color: var(--xgr-tb-accent);
    color: var(--xgr-tb-accent);
}

.xgr-text-blocks .xgr-text-blocks__summary {
    margin-top: 16px;
    background: var(--xgr-tb-card-bg);
    border: 1px solid var(--xgr-tb-border);
    border-left: 4px solid var(--xgr-tb-accent);
    border-radius: 12px;
    padding: 14px 14px 14px 16px;
}

.xgr-text-blocks .xgr-text-blocks__summary-list {
    margin: 0;
    padding-left: 1.2rem;
}

.xgr-text-blocks .xgr-text-blocks__summary-list li + li {
    margin-top: 8px;
}

.xgr-text-blocks .xgr-text-blocks__toc {
    background: var(--xgr-tb-card-bg);
    border: 1px solid var(--xgr-tb-border);
    border-radius: 14px;
    padding: 14px;
}

.xgr-text-blocks .xgr-text-blocks__toc-title {
    margin: 0 0 8px 0;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--xgr-tb-muted);
    font-weight: 700;
}

.xgr-text-blocks .xgr-text-blocks__toc-nav {
    margin: 0;
}

.xgr-text-blocks .xgr-text-blocks__toc-list {
    margin: 0;
    padding-left: 1.15rem;
    display: grid;
    gap: 6px;
}

.xgr-text-blocks .xgr-text-blocks__toc a {
    color: var(--xgr-tb-accent);
    text-decoration: none;
    text-underline-offset: 2px;
}

.xgr-text-blocks .xgr-text-blocks__toc a:hover {
    text-decoration: underline;
}

.xgr-text-blocks .xgr-text-blocks__toc--mobile {
    display: none;
    margin-top: 18px;
}

.xgr-text-blocks .xgr-text-blocks__toc--mobile summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--xgr-tb-text);
}

.xgr-text-blocks .xgr-text-blocks__content {
    margin-top: 28px;
}

.xgr-text-blocks .xgr-text-blocks__section {
    scroll-margin-top: 92px;
}

.xgr-text-blocks .xgr-text-blocks__section + .xgr-text-blocks__section {
    margin-top: 32px;
}

.xgr-text-blocks .xgr-text-blocks__section-title {
    margin: 0;
    font-size: clamp(1.15rem, 2.2vw, 1.5rem);
    line-height: 1.3;
    color: var(--xgr-tb-text);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.xgr-text-blocks .xgr-text-blocks__anchor-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    min-height: 28px;
    border-radius: 8px;
    border: 1px solid transparent;
    color: var(--xgr-tb-muted);
    text-decoration: none;
    opacity: 0.28;
    transition: opacity 0.2s ease, color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.xgr-text-blocks .xgr-text-blocks__section-title:hover .xgr-text-blocks__anchor-link,
.xgr-text-blocks .xgr-text-blocks__anchor-link:hover {
    opacity: 1;
    color: var(--xgr-tb-accent);
    border-color: var(--xgr-tb-border-strong);
    background: var(--xgr-tb-accent-soft);
}

.xgr-text-blocks .xgr-text-blocks__divider {
    border: 0;
    border-top: 1px solid var(--xgr-tb-divider);
    margin: 12px 0 14px;
}

.xgr-text-blocks .xgr-text-blocks__section p {
    margin: 0;
    color: var(--xgr-tb-text);
}

.xgr-text-blocks .xgr-text-blocks__section p + p {
    margin-top: 10px;
}

.xgr-text-blocks .xgr-text-blocks__list {
    margin: 12px 0 0;
    padding-left: 1.2rem;
}

.xgr-text-blocks .xgr-text-blocks__list li + li {
    margin-top: 8px;
}

.xgr-text-blocks .xgr-text-blocks__subcards {
    margin-top: 14px;
    display: grid;
    gap: 12px;
}

.xgr-text-blocks .xgr-text-blocks__subcard {
    background: var(--xgr-tb-subcard-bg);
    border: 1px solid var(--xgr-tb-border);
    border-left: 4px solid var(--xgr-tb-border-strong);
    border-radius: 12px;
    padding: 14px;
}

.xgr-text-blocks .xgr-text-blocks__subcard h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.35;
    color: var(--xgr-tb-text);
}

.xgr-text-blocks .xgr-text-blocks__subcard p {
    margin-top: 8px;
}

.xgr-text-blocks .xgr-text-blocks__subcard .xgr-text-blocks__list {
    margin-top: 8px;
}

.xgr-text-blocks a:focus-visible,
.xgr-text-blocks button:focus-visible,
.xgr-text-blocks summary:focus-visible {
    outline: 3px solid var(--xgr-tb-focus);
    outline-offset: 2px;
}

@media (max-width: 860px) {
    .xgr-text-blocks .xgr-text-blocks__intro-grid {
        grid-template-columns: 1fr;
    }

    .xgr-text-blocks .xgr-text-blocks__toc--desktop {
        display: none;
    }

    .xgr-text-blocks .xgr-text-blocks__toc--mobile {
        display: block;
    }
}

@media (max-width: 640px) {
    .xgr-text-blocks {
        margin: 20px auto;
        padding: 0 8px;
    }

    .xgr-text-blocks .xgr-text-blocks__card {
        padding: 18px;
    }

    .xgr-text-blocks .xgr-text-blocks__header-top {
        flex-direction: column;
        align-items: stretch;
    }

    .xgr-text-blocks .xgr-text-blocks__print-btn {
        width: 100%;
        text-align: center;
    }
}

@media (prefers-color-scheme: dark) {
    .xgr-text-blocks {
        --xgr-tb-page-bg: radial-gradient(1100px 700px at 0% 0%, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0) 58%), radial-gradient(900px 620px at 100% 10%, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0) 56%);
        --xgr-tb-card-bg: #162134;
        --xgr-tb-subcard-bg: #101a2a;
        --xgr-tb-border: #2b3d5c;
        --xgr-tb-border-strong: #38517a;
        --xgr-tb-text: #e7eefb;
        --xgr-tb-muted: #b8c8e6;
        --xgr-tb-accent: #dce8ff;
        --xgr-tb-accent-soft: rgba(220, 232, 255, 0.14);
        --xgr-tb-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
        --xgr-tb-divider: rgba(231, 238, 251, 0.2);
        --xgr-tb-focus: #a0c0ff;
    }
}

@media print {
    .xgr-text-blocks {
        max-width: none;
        margin: 0;
        padding: 0;
    }

    .xgr-text-blocks .xgr-text-blocks__card {
        background: #ffffff;
        border: 0;
        box-shadow: none;
        padding: 0;
    }

    .xgr-text-blocks .xgr-text-blocks__print-btn,
    .xgr-text-blocks .xgr-text-blocks__toc {
        display: none;
    }
}