.sb-article-page {
    background: var(--soft-white);
    padding: 24px 0 88px;
}

.sb-article-layout {
    display: grid;
    grid-template-columns: 305px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.sb-sidebar {
    position: sticky;
    top: 16px;
    display: grid;
    gap: 14px;
}

.sb-sidebar__card {
    border: 1px solid #d8e0e7;
    border-radius: 14px;
    background: #edf1f4;
    padding: 18px 16px;
}

.sb-sidebar__card--cta {
    background: #e9edf1;
}

.sb-sidebar__title,
.sb-sidebar__toc-title {
    margin: 0 0 12px;
    color: var(--dark-blue);
    font-size: 27px;
    line-height: 0.92;
    letter-spacing: -0.02em;
    font-weight: 600;
}

.sb-sidebar__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 44px;
    border-radius: 999px;
    background: var(--soft-blue);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.sb-sidebar__btn:hover {
    background: var(--dark-blue);
}

.sb-sidebar__toc-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 8px;
}

.sb-sidebar__toc-list li {
    margin: 0;
}

.sb-sidebar__toc-list a,
.sb-sidebar__toc-empty {
    color: #5f7488;
    font-size: 18px;
	font-weight:400;
    line-height: 1.35;
}

.sb-sidebar__toc-list a {
    text-decoration: none;
    transition: color 0.2s ease;
}

.sb-sidebar__toc-list a:hover {
    color: var(--soft-blue);
}

.sb-sidebar__toc-empty {
    opacity: 0.85;
}

.sb-article-main {
    display: grid;
    gap: 14px;
}

.sb-author-top,
.sb-article-card,
.sb-author-links,
.sb-feedback {
    border: 1px solid #d8e0e7;
    border-radius: 14px;
    background: #fff;
}

.sb-author-top {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 16px;
    padding: 12px 14px;
}

.sb-author-top__left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 190px;
    padding-right: 14px;
    border-right: 1px solid #e1e8ee;
}

.sb-author-top__left img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
	object-position: 0px 0px;
}

.sb-author-top__name {
    margin: 0;
    color: var(--dark-blue);
    font-size: 14px;
    line-height: 1.2;
    font-weight: 600;
}

.sb-author-top__specialization {
    margin: 1px 0 0;
    color: #6f8194;
    font-size: 13px;
    line-height: 1.2;
}

.sb-author-top__right {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-width: 0;
}

.sb-author-top__tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 6px;
}

.sb-author-top__tags span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 26px;
    border-radius: 999px;
    border: 1px solid #d6dfe8;
    background: #edf2f6;
    color: #5f7991;
    padding: 3px 10px;
    font-size: 16px;
	font-weight:400;
    line-height: 1;
}

.sb-author-top__date {
    margin: 0;
    color: #8294a6;
    font-size: 12px;
    line-height: 1;
    white-space: nowrap;
}

.sb-article-card {
    padding: 20px 22px;
}

.sb-article-card__title {
    margin: 0 0 14px;
    color: var(--dark-blue);
    font-size: 52px;
    line-height: 0.92;
    letter-spacing: -0.02em;
    font-weight: 600;
}

.sb-article-card__cover {
    width: 100%;
    height: auto;
    max-height: 430px;
    border-radius: 12px;
    object-fit: cover;
    margin-bottom: 20px;
}

.sb-article-card__intro,
.sb-chapter__text,
.sb-chapter__media-text,
.sb-literature__list {
    color: #3f556b;
    font-size: 16px;
    line-height: 1.65;
}

.sb-article-card__intro p,
.sb-chapter__text p,
.sb-chapter__media-text p {
    margin: 0 0 16px;
}

.sb-article-card__intro p:last-child,
.sb-chapter__text p:last-child,
.sb-chapter__media-text p:last-child {
    margin-bottom: 0;
}

.sb-article-card__intro ul,
.sb-article-card__intro ol,
.sb-chapter__text ul,
.sb-chapter__text ol {
    margin: 8px 0 18px 1.5em;
    padding: 0;
    list-style-position: outside;
}

.sb-article-card__intro li,
.sb-chapter__text li {
    margin-bottom: 10px;
    padding-left: 0.3em;
}

.sb-article-card__intro li:last-child,
.sb-chapter__text li:last-child {
    margin-bottom: 0;
}

.sb-article-card__intro li::marker,
.sb-chapter__text li::marker {
    color: #5f7991;
}

.sb-article-card__intro li > ul,
.sb-article-card__intro li > ol,
.sb-chapter__text li > ul,
.sb-chapter__text li > ol {
    margin-top: 10px;
}

.sb-chapter {
    background-color: white;
    margin-top: 30px;
    scroll-margin-top: 120px;
}

.sb-chapter__title {
    margin: 0 0 14px;
    color: var(--dark-blue);
    font-size: 30px;
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-weight: 600;
}

.sb-chapter__subtitle {
    margin: 22px 0 10px;
    color: var(--dark-blue);
    font-size: 24px;
    line-height: 1.2;
    font-weight: 600;
}

.sb-chapter__quote {
    margin: 18px 0 0;
    padding: 16px 18px;
    border-left: 3px solid #9eb2c5;
    background: #edf2f6;
    color: #5b7287;
    font-size: 16px;
    line-height: 1.65;
}

.sb-chapter__quote p {
    margin: 0 0 14px;
}

.sb-chapter__quote p:last-child {
    margin-bottom: 0;
}

.sb-chapter__media-row {
    margin-top: 20px;
    display: grid;
    grid-template-columns: 1.04fr 1fr;
    gap: 18px;
    align-items: stretch;
}

.sb-chapter__media-visual {
    position: relative;
    min-height: 220px;
    border-radius: 12px;
    overflow: hidden;
}

.sb-chapter__media-visual img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.sb-chapter__media-text {
    height: 100%;
}

.sb-literature {
    background-color: white;
    margin-top: 30px;
}

.sb-literature__title {
    margin: 0 0 12px;
    color: var(--dark-blue);
    font-size: 30px;
    line-height: 0.95;
    letter-spacing: -0.02em;
    font-weight: 600;
}

.sb-literature__list {
    margin: 0;
    padding-left: 24px;
}

.sb-literature__list li {
    margin-bottom: 8px;
}

.sb-literature__list li:last-child {
    margin-bottom: 0;
}

.sb-author-links,
.sb-feedback {
    padding: 14px;
}

.sb-author-links__head,
.sb-related__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.sb-author-links__head {
    margin-bottom: 10px;
}

.sb-author-links__title,
.sb-feedback__title,
.sb-related__head h2 {
    margin: 0;
    color: var(--dark-blue);
    font-size: 30px;
    line-height: 0.95;
    letter-spacing: -0.02em;
    font-weight: 600;
}

.sb-author-links__nav,
.sb-related__nav {
    display: flex;
    gap: 8px;
}

.sb-scroll-btn,
.sb-nav-btn {
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    color: #fff;
    background: #9eb3c4;
    transition: background-color 0.2s ease;
}

.sb-scroll-btn--next,
.sb-nav-btn--next {
    background: var(--soft-blue);
}

.sb-scroll-btn:hover,
.sb-nav-btn:hover {
    background: var(--dark-blue);
}

.sb-author-links__track {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 2px;
}

.sb-author-links__track::-webkit-scrollbar {
    display: none;
}

.sb-author-links__chip {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 26px;
    border-radius: 999px;
    border: 1px solid #d4dde6;
    background: #edf2f6;
    color: #637f97;
    padding: 4px 12px;
    font-size: 12px;
    line-height: 1;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.sb-author-links__chip:hover {
    background: var(--soft-blue);
    border-color: var(--soft-blue);
    color: #fff;
}

.sb-feedback {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
}

.sb-feedback__controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sb-feedback__votes {
    display: inline-flex;
    border: 1px solid #90a8bc;
    border-radius: 999px;
    overflow: hidden;
}

.sb-feedback__vote-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 56px;
    min-height: 30px;
    padding: 0 10px;
    border: none;
    background: #f5f8fa;
    color: #7f94a7;
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.sb-feedback__vote-btn + .sb-feedback__vote-btn {
    border-left: 1px solid #90a8bc;
}

.sb-feedback__vote-btn svg {
    width: 16px;
    height: 16px;
}

.sb-feedback__vote-btn svg path {
    fill: transparent !important;
    stroke: currentColor;
    stroke-width: 1.3;
    transition: fill 0.2s ease, stroke 0.2s ease;
}

.sb-feedback__vote-btn.is-active {
    color: var(--soft-blue);
    background: #ebf1f5;
}

.sb-feedback__vote-btn.is-active svg path {
    fill: currentColor !important;
    stroke: currentColor;
}

.sb-feedback__share {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 36px;
    border-radius: 999px;
    background: var(--soft-blue);
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    font-size: 13px;
    line-height: 1;
    white-space: nowrap;
}

.sb-feedback__share:hover {
    background: var(--dark-blue);
}

.sb-feedback__share svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.sb-related {
    margin-top: 76px;
}

.sb-related__head {
    margin-bottom: 18px;
}

.sb-related__slider {
    overflow: hidden;
}

.sb-related__slider .swiper-wrapper {
    align-items: stretch;
}

.sb-related__slider .swiper-slide {
    height: auto;
    display: flex;
}

.sb-related-card {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    gap: 14px;
    padding: 8px;
}

.sb-related-card .card-img {
    height: 192px;
}

.sb-related-card .card-date {
    top: 10px;
    left: 10px;
    padding: 6px 9px;
    font-size: 11px;
}

.sb-related-card .card-category_block {
    left: 10px;
    right: 10px;
    bottom: 10px;
    gap: 6px;
}

.sb-related-card .card-category {
    padding: 5px 9px;
    font-size: 11px;
}

.sb-related-card .card-content-info {
    gap: 8px;
}

.sb-related-card .card-content-info-img-block-image {
    width: 30px;
    height: 30px;
}

.sb-related-card .card-content-info_name {
    font-size: 12px;
}

.sb-related-card .card-content-info__specialist,
.sb-related-card .card-content-info__date {
    font-size: 10px;
}

.sb-related-card .card-content {
    gap: 10px;
    flex: 1;
}

.sb-related-card .card-title,
.sb-related-card .layout-card .card-title {
    font-size: 26px;
    line-height: 0.95;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sb-related-card .card-desc {
    font-size: 12px;
    line-height: 1.33;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sb-related-card .card__btn-read_more {
    font-size: 12px;
    margin-top: auto;
    align-self: flex-start;
}

.sb-article-promo {
    margin-top: 64px;
    padding-bottom: 0;
}

.sb-article-promo .promo_block {
    align-items: center;
}

.sb-article-promo .promo_block > div:first-child {
    display: flex;
    align-items: center;
}

.sb-article-promo .promo-h2 {
    margin: 0;
    line-height: 0.9;
}

.sb-article-promo .promo-h2 span {
    display: block;
}

.sb-article-promo .promo-text-box {
    width: auto;
}

.sb-article-promo .promo-text {
    width: auto;
}

.sb-article-promo .promo_block .where-start__button-block {
    align-self: center;
}

.sb-mobile-toc,
.sb-mobile-toc-panel {
    display: none;
}

body.sb-mobile-toc-lock,
html.sb-mobile-toc-lock {
    overflow: hidden;
}

@media (max-width: 1180px) {
    .sb-article-layout {
        grid-template-columns: 1fr;
    }

    .sb-sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sb-sidebar__toc-list {
        max-height: 190px;
        overflow: auto;
    }
}

@media (max-width: 900px) {
    .sb-author-top {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .sb-author-top__left {
        min-width: 0;
        width: 100%;
        border-right: none;
        padding-right: 0;
        padding-bottom: 10px;
        border-bottom: 1px solid #e1e8ee;
    }

    .sb-author-top__right {
        width: 100%;
        justify-content: space-between;
    }

    .sb-feedback {
        flex-direction: column;
        align-items: flex-start;
    }

    .sb-feedback__controls {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .sb-chapter__media-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sb-article-page .container {
        max-width: none;
        padding: 0 14px;
    }

    .sb-article-page {
        padding: 14px 0 108px;
    }

    .sb-sidebar {
        display: none;
    }

    .sb-article-main {
        gap: 12px;
    }

    .sb-article-page .breadcrumbs {
        font-size: 12px;
        padding-bottom: 14px;
    }

    .sb-author-top,
    .sb-article-card,
    .sb-author-links,
    .sb-feedback {
        border-radius: 12px;
        padding: 14px;
    }

    .sb-author-top {
        gap: 8px;
    }

    .sb-author-top__left {
        border-bottom: none;
        padding-bottom: 0;
    }

    .sb-author-top__right {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .sb-author-top__name {
        font-size: 14px;
    }

    .sb-author-top__specialization,
    .sb-author-top__date {
        font-size: 13px;
    }

    .sb-author-top__tags span {
        min-height: 24px;
        padding: 3px 10px;
        font-size: 11px;
    }

    .sb-article-card__title {
        margin-bottom: 12px;
        font-size: 40px;
    }

    .sb-article-card__cover {
        max-height: none;
        aspect-ratio: 16 / 10;
        margin-bottom: 14px;
    }

    .sb-article-card__intro,
    .sb-chapter__text,
    .sb-chapter__media-text,
    .sb-literature__list {
        font-size: 15px;
        line-height: 1.6;
    }

    .sb-article-card__intro p,
    .sb-chapter__text p,
    .sb-chapter__media-text p,
    .sb-chapter__quote p {
        margin-bottom: 12px;
    }

    .sb-article-card__intro ul,
    .sb-article-card__intro ol,
    .sb-chapter__text ul,
    .sb-chapter__text ol {
        margin: 6px 0 14px 1.25em;
    }

    .sb-article-card__intro li,
    .sb-chapter__text li {
        margin-bottom: 8px;
        padding-left: 0.2em;
    }

    .sb-chapter {
        margin-top: 20px;
        scroll-margin-top: 88px;
    }

    .sb-chapter__title,
    .sb-literature__title,
    .sb-author-links__title,
    .sb-feedback__title,
    .sb-related__head h2 {
        font-size: 24px;
    }

    .sb-chapter__subtitle {
        margin-top: 18px;
        font-size: 20px;
    }

    .sb-chapter__quote {
        margin-top: 12px;
        padding: 12px 14px;
        font-size: 14px;
        line-height: 1.55;
    }

    .sb-author-links__title,
    .sb-feedback__title {
        font-size: 26px;
    }

    .sb-author-links__nav {
        display: none;
    }

    .sb-author-links__track {
        flex-wrap: wrap;
        overflow: visible;
        gap: 6px;
    }

    .sb-author-links__chip {
        font-size: 11px;
        min-height: 24px;
    }

    .sb-feedback__votes {
        width: 100%;
    }

    .sb-feedback__vote-btn {
        flex: 1;
        min-height: 34px;
        font-size: 13px;
    }

    .sb-feedback__share {
        width: 100%;
        min-height: 36px;
        justify-content: center;
        padding: 8px 14px;
    }

    .sb-related {
        margin-top: 44px;
    }

    .sb-related-card .card-img {
        height: 168px;
    }

    .sb-related-card .card-content-info__specialist,
    .sb-related-card .card-content-info__date {
        font-size: 12px;
    }

    .sb-related-card .card-desc {
        font-size: 13px;
        line-height: 1.35;
    }

    .sb-related-card .card-title,
    .sb-related-card .layout-card .card-title {
        font-size: 24px;
    }

    .sb-article-promo {
        margin-top: 46px;
    }

    .sb-article-promo .promo_block {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
        padding: 22px 18px;
        border-radius: 12px;
    }

    .sb-article-promo .promo-h2 {
        margin-bottom: 0;
        font-size: 46px;
        line-height: 0.95;
        text-align: center;
    }

    .sb-article-promo .promo-text {
        margin: 0;
        max-width: 255px;
        font-size: 14px;
        line-height: 1.4;
        text-align: center;
        white-space: normal;
        align-self: center;
    }

    .sb-article-promo .promo-text br {
        display: none;
    }

    .sb-article-promo .promo_block .where-start__button-block {
        width: 100%;
        margin-top: 2px;
        display: flex;
        justify-content: center;
        align-self: auto;
    }

    .sb-article-promo .where-start__btn {
        min-height: 40px;
        padding: 6px 8px 6px 18px;
        font-size: 14px;
        gap: 10px;
    }

    .sb-article-promo .where-start__btn svg {
        width: 36px;
        height: 36px;
    }

    .sb-mobile-toc {
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: calc(10px + env(safe-area-inset-bottom));
        z-index: 45;
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 12px;
        border: 1px solid #d5dee6;
        border-radius: 22px;
        background: #edf1f4;
        box-shadow: 0 8px 26px rgba(39, 54, 72, 0.16);
    }

    .sb-mobile-toc__open {
        min-width: 0;
        flex: 1;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        border: none;
        background: transparent;
        color: var(--soft-blue);
        font-size: 16px;
        font-weight: 500;
        text-decoration: underline;
        text-underline-offset: 4px;
        cursor: pointer;
        padding: 0 6px;
    }

    .sb-mobile-toc__open img {
        width: 20px;
        height: 15px;
        flex: 0 0 auto;
    }

    .sb-mobile-toc__open:disabled {
        opacity: 0.5;
        cursor: default;
    }

    .sb-mobile-toc__cta {
        flex: 0 1 auto;
        min-height: 44px;
        max-width: 58%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 6px 16px;
        border-radius: 999px;
        background: var(--soft-blue);
        color: #fff;
        font-size: 14px;
        font-weight: 500;
        text-align: center;
        text-decoration: none;
    }

    .sb-mobile-toc-panel {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 55;
        pointer-events: none;
    }

    .sb-mobile-toc-panel.is-open {
        pointer-events: auto;
    }

    .sb-mobile-toc-panel__overlay {
        position: absolute;
        inset: 0;
        border: none;
        background: rgba(39, 54, 72, 0.35);
        opacity: 0;
        transition: opacity 0.2s ease;
    }

    .sb-mobile-toc-panel.is-open .sb-mobile-toc-panel__overlay {
        opacity: 1;
    }

    .sb-mobile-toc-panel__sheet {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        padding: 16px 14px calc(18px + env(safe-area-inset-bottom));
        border-radius: 16px 16px 0 0;
        background: #fff;
        max-height: min(72vh, 520px);
        overflow: auto;
        transform: translateY(103%);
        transition: transform 0.2s ease;
    }

    .sb-mobile-toc-panel.is-open .sb-mobile-toc-panel__sheet {
        transform: translateY(0);
    }

    .sb-mobile-toc-panel__head {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
    }

    .sb-mobile-toc-panel__head p {
        margin: 0;
        color: var(--dark-blue);
        font-size: 24px;
        font-weight: 600;
        line-height: 0.95;
        letter-spacing: -0.02em;
    }

    .sb-mobile-toc-panel__close {
        width: 30px;
        height: 30px;
        border: none;
        border-radius: 50%;
        background: #edf2f6;
        color: var(--soft-blue);
        font-size: 22px;
        line-height: 1;
        cursor: pointer;
    }

    .sb-mobile-toc-panel__list {
        margin: 0;
        padding: 0;
        list-style: none;
        display: grid;
        gap: 8px;
    }

    .sb-mobile-toc-panel__list a,
    .sb-mobile-toc-panel__empty {
        display: block;
        padding: 11px 12px;
        border-radius: 10px;
        border: 1px solid #d5dee6;
        background: #f4f7fa;
        color: #3f556b;
        font-size: 14px;
        line-height: 1.35;
        text-decoration: none;
    }

    .sb-mobile-toc-panel__list a:active {
        background: #e8eef3;
    }
}

@media (max-width: 560px) {
    .sb-article-page .container {
        padding: 0 10px;
    }

    .sb-article-card__title {
        font-size: 34px;
    }

    .sb-author-top__right {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .sb-author-top__tags {
        justify-content: flex-start;
    }

    .sb-author-links__head,
    .sb-related__head {
        align-items: flex-start;
        gap: 8px;
    }

    .sb-feedback__controls {
        width: 100%;
        gap: 8px;
    }

    .sb-feedback__votes,
    .sb-feedback__share {
        width: 100%;
    }

    .sb-feedback__vote-btn {
        flex: 1;
    }

    .sb-article-promo .promo-h2 {
        font-size: 40px;
    }

    .sb-article-promo .promo-text {
        font-size: 13px;
        max-width: 220px;
    }

    .sb-mobile-toc {
        left: 8px;
        right: 8px;
        bottom: calc(8px + env(safe-area-inset-bottom));
        padding: 8px 10px;
    }

    .sb-mobile-toc__open {
        font-size: 15px;
    }

    .sb-mobile-toc__cta {
        max-width: 56%;
        padding: 6px 12px;
        font-size: 13px;
    }
}