body.kh-article-reading--premium {
    --kh-reading-width: 790px;
    --kh-reading-wide: 980px;
    --kh-reading-ink: #172033;
    --kh-reading-muted: #61708a;
    --kh-reading-line: #dfe8f5;
    --kh-reading-blue: #315ee7;
    --kh-reading-violet: #725cf3;
}

.kh-article-reading--premium .kh-single-article-content {
    padding: 46px 44px 64px;
    color: var(--kh-reading-ink);
    font-size: 19px;
    line-height: 1.72;
}

.kh-article-reading--premium .kh-single-article-content > :not(.kh-reading-flow):not(.kh-reading-wide):not(.kh-article-product-ads):not(.kh-related-articles),
.kh-article-reading--premium .kh-reading-flow > :not(.kh-reading-wide):not(.kh-article-product-ads):not(.kh-related-articles) {
    width: min(100%, var(--kh-reading-width));
    margin-right: auto;
    margin-left: auto;
}

.kh-article-reading--premium .kh-single-article-content > .kh-reading-flow {
    width: 100%;
    max-width: none;
    margin: 0;
}

.kh-article-reading--premium .kh-single-article-content > .kh-reading-wide,
.kh-article-reading--premium .kh-single-article-content > .kh-article-product-ads,
.kh-article-reading--premium .kh-single-article-content > .kh-related-articles,
.kh-article-reading--premium .kh-reading-flow > .kh-reading-wide,
.kh-article-reading--premium .kh-reading-flow > .kh-article-product-ads,
.kh-article-reading--premium .kh-reading-flow > .kh-related-articles {
    width: min(100%, var(--kh-reading-wide));
    margin-right: auto;
    margin-left: auto;
}

.kh-article-reading--premium .kh-single-article-content > p,
.kh-article-reading--premium .kh-reading-flow > p {
    margin-top: 0;
    margin-bottom: 22px;
}

.kh-article-reading--premium .kh-single-article-content > p.kh-reading-lead,
.kh-article-reading--premium .kh-reading-flow > p.kh-reading-lead {
    margin-bottom: 32px;
    color: #29344a;
    font-size: 21px;
    font-weight: 500;
    line-height: 1.62;
}

.kh-article-reading--premium .kh-single-article-content h2,
.kh-article-reading--premium .kh-single-article-content h3 {
    scroll-margin-top: 118px;
    text-wrap: balance;
}

.kh-article-reading--premium .kh-single-article-content > h2,
.kh-article-reading--premium .kh-reading-flow > h2 {
    position: relative;
    margin-top: 58px;
    margin-bottom: 20px;
    padding-top: 18px;
    font-size: clamp(28px, 2.2vw, 34px);
    line-height: 1.2;
}

.kh-article-reading--premium .kh-single-article-content > h2::before,
.kh-article-reading--premium .kh-reading-flow > h2::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 54px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--kh-reading-violet), #45bff5);
    content: "";
}

.kh-article-reading--premium .kh-single-article-content > h3,
.kh-article-reading--premium .kh-reading-flow > h3 {
    margin-top: 36px;
    margin-bottom: 14px;
    font-size: 24px;
}

.kh-article-reading--premium .kh-single-article-content > .kh-reading-section-heading,
.kh-article-reading--premium .kh-reading-flow > .kh-reading-section-heading {
    position: relative;
    margin-top: 58px;
    margin-bottom: 20px;
    padding-top: 18px;
    font-size: clamp(28px, 2.2vw, 34px);
    font-weight: 900;
    line-height: 1.2;
}

.kh-article-reading--premium .kh-single-article-content > .kh-reading-section-heading::before,
.kh-article-reading--premium .kh-reading-flow > .kh-reading-section-heading::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 54px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--kh-reading-violet), #45bff5);
    content: "";
}

.kh-article-reading--premium .kh-single-article-content > ul,
.kh-article-reading--premium .kh-reading-flow > ul {
    display: grid;
    gap: 10px;
    margin-top: 4px;
    margin-bottom: 28px;
    padding: 0;
    list-style: none;
}

.kh-article-reading--premium .kh-single-article-content > ul > li,
.kh-article-reading--premium .kh-reading-flow > ul > li {
    position: relative;
    padding-left: 30px;
}

.kh-article-reading--premium .kh-single-article-content > ul > li::before,
.kh-article-reading--premium .kh-reading-flow > ul > li::before {
    position: absolute;
    top: .55em;
    left: 4px;
    width: 9px;
    height: 9px;
    border: 3px solid #7896ff;
    border-radius: 50%;
    content: "";
}

.kh-article-reading--premium .kh-single-article-content > ol,
.kh-article-reading--premium .kh-reading-flow > ol {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    min-width: 0;
    max-width: 100%;
    margin-top: 8px;
    margin-bottom: 34px;
    padding: 0;
    list-style: none;
    counter-reset: kh-reading-step;
}

.kh-article-reading--premium .kh-single-article-content > ol > li,
.kh-article-reading--premium .kh-reading-flow > ol > li {
    position: relative;
    min-width: 0;
    max-width: 100%;
    min-height: 68px;
    margin: 0;
    padding: 19px 20px 19px 72px;
    border: 1px solid var(--kh-reading-line);
    border-radius: 16px;
    background: linear-gradient(180deg, #fff 0%, #fbfdff 100%);
    box-shadow: 0 10px 28px rgba(37, 69, 122, .055);
    counter-increment: kh-reading-step;
}

.kh-article-reading--premium .kh-single-article-content > ol > li::before,
.kh-article-reading--premium .kh-reading-flow > ol > li::before {
    position: absolute;
    top: 16px;
    left: 18px;
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--kh-reading-violet), #438ff0);
    color: #fff;
    box-shadow: 0 9px 18px rgba(83, 104, 234, .2);
    content: counter(kh-reading-step);
    font-size: 15px;
    font-weight: 900;
    line-height: 1;
}

.kh-article-reading--premium .kh-single-article-content > ol > li > :last-child,
.kh-article-reading--premium .kh-reading-flow > ol > li > :last-child {
    margin-bottom: 0;
}

.kh-article-reading--premium .kh-article-toc {
    margin-top: 34px;
    margin-bottom: 46px;
    padding: 24px 26px;
    border: 1px solid #dfe8f6;
    border-radius: 18px;
    background:
        radial-gradient(circle at 100% 0, rgba(111, 92, 243, .09), transparent 36%),
        linear-gradient(145deg, #f8fbff 0%, #f3f7ff 100%);
}

.kh-article-reading--premium .kh-article-toc__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.kh-article-reading--premium .kh-article-toc__title {
    margin: 0;
    color: #111827;
    font-size: 18px;
    font-weight: 900;
    line-height: 1.3;
}

.kh-article-reading--premium .kh-article-toc__toggle {
    display: none;
    min-height: 38px;
    padding: 0 13px;
    border: 1px solid #d5e1f1;
    border-radius: 10px;
    background: #fff;
    color: #40506a;
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
}

.kh-article-reading--premium .kh-article-toc__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px 22px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
    counter-reset: kh-toc;
}

.kh-article-reading--premium .kh-article-toc__list li {
    min-width: 0;
    counter-increment: kh-toc;
}

.kh-article-reading--premium .kh-article-toc__list a {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 8px;
    align-items: baseline;
    color: #34445f;
    font-size: 14px;
    font-weight: 750;
    line-height: 1.4;
    text-decoration: none;
}

.kh-article-reading--premium .kh-article-toc__list a::before {
    color: #7890b3;
    content: counter(kh-toc, decimal-leading-zero);
    font-size: 11px;
    font-weight: 900;
}

.kh-article-reading--premium .kh-article-toc__list a:hover,
.kh-article-reading--premium .kh-article-toc__list a:focus-visible,
.kh-article-reading--premium .kh-article-toc__list a.is-active {
    color: var(--kh-reading-blue);
}

.kh-article-reading--premium .kh-reading-callout {
    position: relative;
    margin-top: 30px !important;
    margin-bottom: 30px !important;
    padding: 20px 22px 20px 58px;
    border: 1px solid #cfe0ff;
    border-radius: 16px;
    background: #f2f7ff;
}

.kh-article-reading--premium .kh-reading-callout::before {
    position: absolute;
    top: 20px;
    left: 20px;
    display: grid;
    width: 24px;
    height: 24px;
    place-items: center;
    border-radius: 50%;
    background: #4f75ef;
    color: #fff;
    content: "i";
    font-size: 14px;
    font-weight: 900;
    font-style: normal;
}

.kh-article-reading--premium .kh-single-article-content .kh-reading-media {
    position: relative;
    margin-top: 30px;
    margin-bottom: 38px;
    text-align: center;
}

.kh-article-reading--premium .kh-reading-media img.kh-reading-image {
    display: block;
    width: auto;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    border: 1px solid #e1e8f2;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 18px 46px rgba(28, 52, 91, .1);
    cursor: zoom-in;
    transition: transform .2s ease, box-shadow .2s ease;
}

.kh-article-reading--premium .kh-reading-media img.kh-reading-image:hover {
    box-shadow: 0 22px 54px rgba(28, 52, 91, .15);
    transform: translateY(-2px);
}

.kh-article-reading--premium .kh-reading-media img.kh-reading-image:focus-visible {
    outline: 3px solid rgba(70, 110, 245, .45);
    outline-offset: 5px;
}

.kh-article-reading--premium .kh-reading-media__hint {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 11px;
    color: #71819a;
    font-size: 12px;
    font-weight: 750;
    line-height: 1.35;
}

.kh-article-reading--premium .kh-reading-media__hint::before {
    content: "⌕";
    font-size: 17px;
}

.kh-article-reading--premium .kh-article-product-ads {
    margin-top: 56px;
    margin-bottom: 56px;
}

.kh-article-reading--premium .kh-related-articles {
    margin-top: 64px;
}

.kh-article-reading--premium .kh-reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99999;
    width: 100%;
    height: 3px;
    pointer-events: none;
}

.kh-article-reading--premium .kh-reading-progress__bar {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--kh-reading-violet), #3fc8f4);
    box-shadow: 0 0 12px rgba(84, 105, 240, .38);
}

.kh-reading-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    display: none;
    padding: 34px;
    background: rgba(7, 13, 27, .9);
    backdrop-filter: blur(10px);
}

.kh-reading-lightbox.is-open {
    display: grid;
    place-items: center;
}

.kh-reading-lightbox__figure {
    display: grid;
    gap: 12px;
    width: min(1280px, 100%);
    max-height: 100%;
    margin: 0;
    place-items: center;
}

.kh-reading-lightbox__image {
    display: block;
    max-width: 100%;
    max-height: calc(100vh - 112px);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 28px 90px rgba(0, 0, 0, .45);
    object-fit: contain;
}

.kh-reading-lightbox__caption {
    color: #dce5f5;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
}

.kh-reading-lightbox__close,
.kh-reading-lightbox__prev,
.kh-reading-lightbox__next {
    position: absolute;
    display: grid;
    width: 46px;
    height: 46px;
    padding: 0;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 14px;
    background: rgba(255, 255, 255, .12);
    color: #fff;
    font: inherit;
    font-size: 25px;
    cursor: pointer;
}

.kh-reading-lightbox__close {
    top: 22px;
    right: 22px;
}

.kh-reading-lightbox__prev,
.kh-reading-lightbox__next {
    top: 50%;
    transform: translateY(-50%);
}

.kh-reading-lightbox__prev { left: 22px; }
.kh-reading-lightbox__next { right: 22px; }

.kh-reading-lightbox__close:focus-visible,
.kh-reading-lightbox__prev:focus-visible,
.kh-reading-lightbox__next:focus-visible {
    outline: 3px solid #8ca8ff;
    outline-offset: 3px;
}

body.kh-reading-lightbox-open {
    overflow: hidden;
}

@media (max-width: 760px) {
    .kh-article-reading--premium .kh-single-article-content {
        min-width: 0;
        max-width: 100%;
        padding: 28px 20px 42px;
        font-size: 17px;
        line-height: 1.7;
    }

    .kh-article-reading--premium .kh-reading-flow {
        min-width: 0;
        max-width: 100%;
    }

    .kh-article-reading--premium .kh-single-article-content > ol > li,
    .kh-article-reading--premium .kh-reading-flow > ol > li,
    .kh-article-reading--premium .kh-single-article-content > ol > li :where(strong, b, a, code),
    .kh-article-reading--premium .kh-reading-flow > ol > li :where(strong, b, a, code) {
        overflow-wrap: anywhere;
        word-break: normal;
    }

    .kh-article-reading--premium .kh-single-article-content :where(pre, iframe, video),
    .kh-article-reading--premium .kh-reading-flow :where(pre, iframe, video) {
        max-width: 100%;
    }

    .kh-article-reading--premium .kh-single-article-content pre,
    .kh-article-reading--premium .kh-reading-flow pre {
        overflow-x: auto;
    }

    .kh-article-reading--premium .kh-single-article-content > p.kh-reading-lead,
    .kh-article-reading--premium .kh-reading-flow > p.kh-reading-lead {
        font-size: 18px;
    }

    .kh-article-reading--premium .kh-single-article-content > h2,
    .kh-article-reading--premium .kh-reading-flow > h2 {
        margin-top: 46px;
        font-size: 27px;
    }

    .kh-article-reading--premium .kh-single-article-content > .kh-reading-section-heading,
    .kh-article-reading--premium .kh-reading-flow > .kh-reading-section-heading {
        margin-top: 46px;
        font-size: 27px;
    }

    .kh-article-reading--premium .kh-article-toc {
        margin-bottom: 38px;
        padding: 19px;
    }

    .kh-article-reading--premium .kh-article-toc__toggle {
        display: inline-flex;
        align-items: center;
    }

    .kh-article-reading--premium .kh-article-toc__list {
        grid-template-columns: 1fr;
    }

    .kh-article-reading--premium .kh-article-toc.is-collapsed .kh-article-toc__list {
        display: none;
    }

    .kh-article-reading--premium .kh-single-article-content > ol > li,
    .kh-article-reading--premium .kh-reading-flow > ol > li {
        padding: 62px 17px 18px;
    }

    .kh-article-reading--premium .kh-single-article-content > ol > li::before,
    .kh-article-reading--premium .kh-reading-flow > ol > li::before {
        top: 15px;
        left: 17px;
    }

    .kh-reading-lightbox {
        padding: 62px 12px 22px;
    }

    .kh-reading-lightbox__image {
        max-height: calc(100vh - 122px);
    }

    .kh-reading-lightbox__close {
        top: 10px;
        right: 10px;
    }

    .kh-reading-lightbox__prev,
    .kh-reading-lightbox__next {
        top: auto;
        bottom: 12px;
        transform: none;
    }

    .kh-reading-lightbox__prev { left: 12px; }
    .kh-reading-lightbox__next { right: 12px; }
}

@media (prefers-reduced-motion: reduce) {
    .kh-article-reading--premium .kh-reading-media img.kh-reading-image,
    .kh-article-reading--premium .kh-reading-progress__bar {
        transition: none;
    }
}