/**
 * Mislens Blog - Single Article
 *
 * 文件位置：
 * /wp-content/themes/mislens-theme-v2/modules/blog/blog-single.css
 *
 * V1.4
 *
 * PC：
 * Hero = 独立单列宽内容区
 * Body = TOC Rail + Reading Column
 *
 * Mobile：
 * 单栏 + 默认折叠 TOC
 */


/* ==========================================================================
   1. PAGE BASE
   ========================================================================== */

body.mislens-blog-single {
    background: #ffffff;
}

.mislens-blog-article {
    width: 100%;
    margin: 0;
    padding: 0;

    background: #ffffff;

    color: #1f2937;
}

.mislens-blog-container {
    width: min(
        calc(100% - 48px),
        1200px
    );

    margin: 0 auto;
}


/* ==========================================================================
   2. HERO COLUMN
   ========================================================================== */

.mislens-blog-hero-column {
    width: min(
        100%,
        1080px
    );

    margin: 0 auto;
}


/* ==========================================================================
   3. BODY EDITORIAL GRID
   ========================================================================== */

.mislens-blog-editorial-grid {
    display: grid;

    grid-template-columns:
        minmax(200px, 220px)
        minmax(0, 820px);

    justify-content: center;

    align-items: start;

    gap: 56px;
}

/*
 * TOC 不存在时：
 * 正文必须回到正常阅读列，不能占用左侧 TOC Rail。
 *
 * JS class 是主逻辑；:has() 作为现代浏览器的即时兜底，
 * 避免 JS 建立目录前出现错误窄栏。
 */
.mislens-blog-editorial-grid.is-without-toc,
.mislens-blog-editorial-grid:has(> .mislens-blog-toc[hidden]) {
    grid-template-columns:
        minmax(0, 820px);
}

.mislens-blog-editorial-grid.is-without-toc
.mislens-blog-article-main,
.mislens-blog-editorial-grid:has(> .mislens-blog-toc[hidden])
.mislens-blog-article-main {
    grid-column: 1;
}


/* ==========================================================================
   4. ARTICLE HEADER
   ========================================================================== */

.mislens-blog-article-header {
    padding: 46px 0 44px;

    border-bottom:
        1px solid #eceff3;

    background: #ffffff;
}

.mislens-blog-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;

    gap: 8px;

    margin: 0 0 28px;

    color: #7c8490;

    font-size: 13px;
    line-height: 1.5;
}

.mislens-blog-breadcrumb a {
    color: #606873;

    text-decoration: none;

    transition:
        color 180ms ease;
}

.mislens-blog-breadcrumb a:hover,
.mislens-blog-breadcrumb a:focus-visible {
    color: #15191f;
}

.mislens-blog-article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;

    gap: 10px;

    margin: 0 0 18px;
}

.mislens-blog-article-meta__category,
.mislens-blog-article-meta__role {
    display: inline-flex;
    align-items: center;

    min-height: 28px;

    padding: 5px 10px;

    border:
        1px solid #dfe3e8;

    border-radius: 999px;

    background: #ffffff;

    color: #3f4752;

    font-size: 12px;
    line-height: 1;
    font-weight: 600;

    text-decoration: none;
}

.mislens-blog-article-meta__date {
    color: #7b8490;

    font-size: 13px;
    line-height: 1.4;
}

.mislens-blog-article-title {
    width: 100%;

    max-width: 1040px;

    margin: 0;

    color: #111418;

    font-size:
        clamp(
            42px,
            4vw,
            56px
        );

    line-height: 1.08;

    font-weight: 700;

    letter-spacing: -0.035em;
}

.mislens-blog-article-intro {
    max-width: 820px;

    margin: 24px 0 0;

    color: #5f6874;

    font-size: 18px;
    line-height: 1.7;
}

.mislens-blog-reading-context {
    display: flex;
    flex-wrap: wrap;

    gap: 12px;

    margin-top: 28px;
}

.mislens-blog-reading-context__item {
    display: inline-flex;
    align-items: center;

    gap: 8px;

    min-height: 34px;

    padding: 7px 12px;

    border:
        1px solid #e2e6ea;

    border-radius: 8px;

    background: #f8f9fa;

    color: #59616c;

    font-size: 12px;
}

.mislens-blog-reading-context__item span {
    color: #9097a0;

    text-transform: uppercase;

    letter-spacing: 0.06em;

    font-size: 10px;
    font-weight: 700;
}

.mislens-blog-reading-context__item strong {
    color: #313840;

    font-weight: 600;
}


/* ==========================================================================
   5. FEATURED IMAGE
   ========================================================================== */

.mislens-blog-featured {
    padding: 34px 0 0;

    background: #ffffff;
}

.mislens-blog-featured__figure {
    overflow: hidden;

    margin: 0;

    border-radius: 14px;

    background: #f3f4f6;
}

.mislens-blog-featured__image {
    display: block;

    width: 100%;
    height: auto;

    aspect-ratio: 16 / 7;

    object-fit: cover;
}


/* ==========================================================================
   6. ARTICLE LAYOUT
   ========================================================================== */

.mislens-blog-article-layout {
    padding: 54px 0 86px;

    background: #ffffff;
}

.mislens-blog-article-main {
    min-width: 0;
}


/* ==========================================================================
   7. TABLE OF CONTENTS
   ========================================================================== */

.mislens-blog-toc {
    position: sticky;

    top: 110px;

    align-self: start;

    min-width: 0;
}

.mislens-blog-toc[hidden] {
    display: none !important;
}

.mislens-blog-toc__inner {
    padding: 16px 0;

    border-top:
        1px solid #e2e5e9;

    border-bottom:
        1px solid #e2e5e9;
}

.mislens-blog-toc__label {
    margin: 0 0 12px;

    color: #8b929c;

    font-size: 11px;
    line-height: 1.2;

    font-weight: 700;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}

.mislens-blog-toc__toggle {
    display: none;
}

.mislens-blog-toc__nav {
    display: flex;
    flex-direction: column;

    gap: 3px;
}

.mislens-blog-toc__nav a {
    display: block;

    padding: 5px 0;

    color: #6c7480;

    font-size: 13px;
    line-height: 1.45;

    text-decoration: none;

    transition:
        color 160ms ease;
}

.mislens-blog-toc__nav a:hover,
.mislens-blog-toc__nav a:focus-visible {
    color: #111418;
}

.mislens-blog-toc__nav
.mislens-blog-toc__link--level-3 {
    padding-left: 14px;

    border-left:
        1px solid #e2e5e9;

    color: #8a919a;

    font-size: 12px;
}


/* ==========================================================================
   8. ARTICLE TYPOGRAPHY
   ========================================================================== */

.mislens-blog-content {
    width: 100%;

    color: #313840;

    font-size: 17px;
    line-height: 1.82;
}

.mislens-blog-content > *:first-child {
    margin-top: 0;
}

.mislens-blog-content h2,
.mislens-blog-content h3,
.mislens-blog-content h4 {
    color: #111418;

    font-weight: 700;

    letter-spacing: -0.02em;

    scroll-margin-top: 120px;
}

.mislens-blog-content h2 {
    margin: 56px 0 18px;

    font-size: 32px;
    line-height: 1.25;
}

.mislens-blog-content h3 {
    margin: 38px 0 14px;

    font-size: 24px;
    line-height: 1.35;
}

.mislens-blog-content h4 {
    margin: 30px 0 12px;

    font-size: 19px;
    line-height: 1.4;
}

.mislens-blog-content p {
    margin: 0 0 22px;
}

.mislens-blog-content ul,
.mislens-blog-content ol {
    margin: 0 0 24px;

    padding-left: 1.35em;
}

.mislens-blog-content li {
    margin-bottom: 8px;
}

.mislens-blog-content a {
    color: #161a20;

    text-decoration: underline;

    text-decoration-thickness: 1px;

    text-underline-offset: 3px;
}

.mislens-blog-content strong {
    color: #1b2026;

    font-weight: 700;
}

.mislens-blog-content blockquote {
    margin: 34px 0;

    padding: 6px 0 6px 22px;

    border-left:
        3px solid #171b21;

    color: #4c5561;
}

.mislens-blog-content blockquote p:last-child {
    margin-bottom: 0;
}

.mislens-blog-content img {
    max-width: 100%;
    height: auto;

    border-radius: 10px;
}

.mislens-blog-content figure {
    margin: 34px 0;
}

.mislens-blog-content figcaption {
    margin-top: 8px;

    color: #858c95;

    font-size: 12px;
    line-height: 1.5;
}

.mislens-blog-content table {
    width: 100%;

    margin: 30px 0;

    border-collapse: collapse;

    font-size: 14px;
    line-height: 1.55;
}

.mislens-blog-content th,
.mislens-blog-content td {
    padding: 13px 14px;

    border:
        1px solid #e0e4e8;

    text-align: left;

    vertical-align: top;
}

.mislens-blog-content th {
    background: #f7f8f9;

    color: #20262d;

    font-weight: 700;
}


/* ==========================================================================
   9. SHARED HEADINGS
   ========================================================================== */

.mislens-blog-section-heading {
    margin-bottom: 22px;
}

.mislens-blog-section-heading__eyebrow,
.mislens-blog-contextual-cta__eyebrow,
.mislens-blog-commercial-bridge__eyebrow,
.mislens-blog-inquiry__eyebrow {
    display: block;

    margin-bottom: 8px;

    color: #8a9199;

    font-size: 11px;
    line-height: 1.2;

    font-weight: 700;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}

.mislens-blog-section-heading h2 {
    margin: 0;

    color: #111418;

    font-size: 28px;
    line-height: 1.3;

    letter-spacing: -0.025em;
}


/* ==========================================================================
   10. BUTTONS
   ========================================================================== */

.mislens-blog-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    gap: 10px;

    min-height: 46px;

    padding: 12px 20px;

    border:
        1px solid transparent;

    border-radius: 8px;

    font: inherit;

    font-size: 14px;
    font-weight: 700;

    line-height: 1;

    text-decoration: none;

    cursor: pointer;

    transition:
        transform 160ms ease,
        background 160ms ease,
        border-color 160ms ease,
        color 160ms ease;
}

.mislens-blog-button:hover {
    transform: translateY(-1px);
}

.mislens-blog-button--primary,
.mislens-blog-button--inquiry {
    background: #161a20;

    color: #ffffff;
}

.mislens-blog-button--primary:hover,
.mislens-blog-button--primary:focus-visible,
.mislens-blog-button--inquiry:hover,
.mislens-blog-button--inquiry:focus-visible {
    background: #292f36;

    color: #ffffff;
}

.mislens-blog-button--secondary {
    border-color: #d8dde2;

    background: #ffffff;

    color: #1e242b;
}


/* ==========================================================================
   11. CONTEXTUAL CTA
   ========================================================================== */

.mislens-blog-contextual-cta {
    margin-top: 52px;

    padding: 30px;

    border:
        1px solid #e1e5e9;

    border-radius: 12px;

    background: #f7f8f9;
}

.mislens-blog-contextual-cta__title {
    margin: 0 0 18px;

    color: #111418;

    font-size: 25px;
    line-height: 1.3;

    letter-spacing: -0.02em;
}


/* ==========================================================================
   12. DECISION NAVIGATION
   ========================================================================== */

.mislens-blog-decision-nav {
    margin-top: 68px;

    padding-top: 42px;

    border-top:
        1px solid #e4e7ea;
}

.mislens-blog-decision-grid {
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 14px;
}

.mislens-blog-decision-card {
    position: relative;

    display: flex;
    flex-direction: column;

    min-height: 170px;

    padding: 20px;

    border:
        1px solid #e1e4e8;

    border-radius: 10px;

    background: #ffffff;

    color: inherit;

    text-decoration: none;
}

.mislens-blog-decision-card__label {
    margin-bottom: 10px;

    color: #8a929c;

    font-size: 10px;
    line-height: 1.2;

    font-weight: 700;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}

.mislens-blog-decision-card__title {
    display: block;

    margin-bottom: 10px;

    color: #161b21;

    font-size: 17px;
    line-height: 1.4;

    font-weight: 700;
}

.mislens-blog-decision-card__excerpt {
    display: block;

    color: #68717c;

    font-size: 13px;
    line-height: 1.55;
}

.mislens-blog-decision-card__arrow {
    margin-top: auto;

    padding-top: 18px;

    color: #171b20;

    font-size: 18px;
}


/* ==========================================================================
   13. COMMERCIAL BRIDGE
   ========================================================================== */

.mislens-blog-commercial-bridge {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 28px;

    margin-top: 44px;

    padding: 26px 28px;

    border:
        1px solid #e1e4e7;

    border-radius: 10px;

    background: #fafafa;
}

.mislens-blog-commercial-bridge__content {
    max-width: 520px;
}

.mislens-blog-commercial-bridge h2 {
    margin: 0 0 8px;

    color: #111418;

    font-size: 22px;
    line-height: 1.35;
}

.mislens-blog-commercial-bridge p {
    margin: 0;

    color: #69717b;

    font-size: 14px;
    line-height: 1.65;
}


/* ==========================================================================
   14. PARENT TOPIC
   ========================================================================== */

.mislens-blog-parent-topic {
    display: flex;
    flex-wrap: wrap;

    gap: 6px;

    margin-top: 28px;

    color: #8a919a;

    font-size: 13px;
}

.mislens-blog-parent-topic a {
    color: #303740;

    font-weight: 600;

    text-decoration: none;
}


/* ==========================================================================
   15. FINAL INQUIRY
   ========================================================================== */

.mislens-blog-inquiry {
    padding: 70px 0;

    border-top:
        1px solid #e4e7ea;

    background: #f5f6f7;
}

.mislens-blog-inquiry__inner {
    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 42px;
}

.mislens-blog-inquiry__content {
    max-width: 720px;
}

.mislens-blog-inquiry h2 {
    margin: 0 0 12px;

    color: #111418;

    font-size:
        clamp(
            28px,
            3vw,
            40px
        );

    line-height: 1.2;

    letter-spacing: -0.03em;
}

.mislens-blog-inquiry p {
    margin: 0;

    color: #666f7a;

    font-size: 16px;
    line-height: 1.7;
}


/* ==========================================================================
   16. TABLET
   ========================================================================== */

@media screen and (max-width: 1024px) {

    .mislens-blog-container {
        width:
            min(
                calc(100% - 40px),
                960px
            );
    }

    .mislens-blog-hero-column {
        width: 100%;
    }

    .mislens-blog-editorial-grid {
        grid-template-columns:
            minmax(160px, 180px)
            minmax(0, 1fr);

        gap: 36px;
    }

    .mislens-blog-article-title {
        font-size:
            clamp(
                38px,
                5vw,
                48px
            );
    }
}


/* ==========================================================================
   17. MOBILE
   ========================================================================== */

@media screen and (max-width: 767px) {

    .mislens-blog-container {
        width:
            calc(100% - 32px);
    }

    .mislens-blog-hero-column {
        width: 100%;
    }

    .mislens-blog-editorial-grid {
        display: block;
    }


    /* Header */

    .mislens-blog-article-header {
        padding: 28px 0 30px;
    }

    .mislens-blog-breadcrumb {
        margin-bottom: 20px;

        font-size: 12px;
    }

    .mislens-blog-article-meta {
        margin-bottom: 14px;
    }

    .mislens-blog-article-title {
        max-width: none;

        font-size:
            clamp(
                26px,
                7.6vw,
                34px
            );

        line-height: 1.12;

        letter-spacing: -0.03em;
    }

    .mislens-blog-article-intro {
        margin-top: 18px;

        font-size: 17px;
        line-height: 1.65;
    }

    .mislens-blog-reading-context {
        flex-direction: column;

        align-items: stretch;

        margin-top: 22px;
    }

    .mislens-blog-reading-context__item {
        width: 100%;
    }


    /* Featured */

    .mislens-blog-featured {
        padding-top: 20px;
    }

    .mislens-blog-featured__figure {
        border-radius: 8px;
    }

    .mislens-blog-featured__image {
        aspect-ratio: 16 / 10;
    }


    /* Article */

    .mislens-blog-article-layout {
        padding: 28px 0 60px;
    }


    /* Mobile TOC */

    .mislens-blog-toc {
        position: static;

        margin-bottom: 28px;
    }

    .mislens-blog-toc__inner {
        padding: 0;

        border:
            1px solid #e1e5e9;

        border-radius: 8px;

        background: #ffffff;
    }

    .mislens-blog-toc__label {
        display: none;
    }

    .mislens-blog-toc__toggle {
        display: flex;

        width: 100%;

        min-height: 48px;

        align-items: center;

        justify-content: space-between;

        gap: 16px;

        padding: 13px 15px;

        border: 0;

        background: transparent;

        color: #242a31;

        font: inherit;

        font-size: 13px;
        line-height: 1.2;

        font-weight: 700;

        text-align: left;

        cursor: pointer;
    }

    .mislens-blog-toc__toggle-icon {
        display: inline-flex;

        align-items: center;

        justify-content: center;

        width: 20px;
        height: 20px;

        color: #737b85;

        font-size: 19px;

        transition:
            transform 180ms ease;
    }

    .mislens-blog-toc__nav {
        display: none;

        gap: 2px;

        padding:
            0
            15px
            14px;
    }

    .mislens-blog-toc.is-open
    .mislens-blog-toc__nav {
        display: flex;
    }

    .mislens-blog-toc.is-open
    .mislens-blog-toc__toggle-icon {
        transform: rotate(180deg);
    }

    .mislens-blog-toc__nav a {
        padding: 7px 0;

        font-size: 13px;
    }

    .mislens-blog-toc__nav
    .mislens-blog-toc__link--level-3 {
        padding-left: 14px;
    }


    /* Content */

    .mislens-blog-content {
        font-size: 16px;
        line-height: 1.78;
    }

    .mislens-blog-content h2 {
        margin-top: 44px;

        font-size: 27px;
    }

    .mislens-blog-content h3 {
        margin-top: 32px;

        font-size: 22px;
    }

    .mislens-blog-content table {
        display: block;

        overflow-x: auto;

        -webkit-overflow-scrolling:
            touch;
    }


    /* CTA */

    .mislens-blog-contextual-cta {
        margin-top: 42px;

        padding: 22px;
    }

    .mislens-blog-contextual-cta__title {
        font-size: 22px;
    }

    .mislens-blog-contextual-cta
    .mislens-blog-button {
        width: 100%;
    }


    /* Decision */

    .mislens-blog-decision-nav {
        margin-top: 54px;

        padding-top: 34px;
    }

    .mislens-blog-decision-grid {
        grid-template-columns: 1fr;
    }

    .mislens-blog-decision-card {
        min-height: auto;
    }


    /* Commercial */

    .mislens-blog-commercial-bridge {
        flex-direction: column;

        align-items: stretch;

        padding: 22px;
    }

    .mislens-blog-commercial-bridge
    .mislens-blog-button {
        width: 100%;
    }


    /* Inquiry */

    .mislens-blog-inquiry {
        padding: 52px 0;
    }

    .mislens-blog-inquiry__inner {
        flex-direction: column;

        align-items: stretch;

        gap: 24px;
    }

    .mislens-blog-inquiry h2 {
        font-size: 30px;
    }

    .mislens-blog-inquiry
    .mislens-blog-button {
        width: 100%;
    }
}


/* ==========================================================================
   18. SMALL MOBILE
   ========================================================================== */

@media screen and (max-width: 480px) {

    .mislens-blog-container {
        width:
            calc(100% - 28px);
    }

    .mislens-blog-article-title {
        font-size: 27px;
    }

    .mislens-blog-content h2 {
        font-size: 25px;
    }

    .mislens-blog-content h3 {
        font-size: 21px;
    }

    .mislens-blog-contextual-cta,
    .mislens-blog-commercial-bridge {
        border-radius: 8px;
    }
}