/* =====================================================================
   FUL BookBank Academic Blog - Shared Professional Visual System
   Loaded after each article's original styles so foundational layouts and wording
   are preserved while the blog gains one coherent design language.
   ===================================================================== */
:root{--fbb-blue:#244d7c;--fbb-blue-2:#315f91;--fbb-cyan:#2db9c9;--fbb-ink:#15253a;--fbb-text:#405067;--fbb-muted:#728096;--fbb-border:#dfe7ef;--fbb-soft:#eef3f8;--fbb-white:#fff;--fbb-shadow:0 18px 48px rgba(25,53,85,.08)}
html{scroll-padding-top:92px}
body.fbb-blog-page{background:#eef3f8!important;color:var(--fbb-text);-webkit-font-smoothing:antialiased}
body.fbb-blog-page.fbb-menu-open{overflow:hidden}
body.fbb-blog-page img{max-width:100%}
body.fbb-blog-page a{transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease}

/* Remove legacy one-off top navigations. The shared header is now the single source. */
body.blog-article-page > .navbar,
body.blog-article-page > .article-nav,
body.blog-article-page > .fb-topbar{display:none!important}
body.blog-article-page > #progress-bar,
body.blog-article-page > .progress-container,
body.blog-article-page > .reading-progress-container,
body.blog-article-page .progress-track,
body.blog-article-page > .fb-progress{display:none!important}

.fbb-article-context{background:#fff;border-bottom:1px solid var(--fbb-border);font-family:'Plus Jakarta Sans',system-ui,sans-serif}
.fbb-context-inner{width:min(1180px,calc(100% - 40px));margin:auto;min-height:50px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.fbb-breadcrumb,.fbb-context-actions{display:flex;align-items:center;gap:9px;font-size:.72rem;font-weight:700;color:#748198}.fbb-breadcrumb a,.fbb-context-actions a{color:#2c5e91!important;text-decoration:none!important}.fbb-context-tag{display:inline-flex;padding:5px 9px;border-radius:999px;background:#e9f7f9;color:#187b86;font-weight:800}

/* Common article surfaces */
.blog-article-page .article,
.blog-article-page .blog-post-full,
.blog-article-page .article-container,
.blog-article-page .article-card,
.blog-article-page .body-content,
.blog-article-page .main-story,
.blog-article-page .blog-wrapper,
.blog-article-page .blog-card{
    border-color:var(--fbb-border)!important;
    box-shadow:var(--fbb-shadow)!important;
}
.blog-article-page .article,
.blog-article-page .blog-post-full,
.blog-article-page .article-container,
.blog-article-page .article-card,
.blog-article-page .blog-card{border-radius:24px!important}
.blog-article-page .main-story{border-radius:22px;padding-left:clamp(20px,4vw,42px)!important;padding-right:clamp(20px,4vw,42px)!important;background:#fff}
.blog-article-page .body-content{border-radius:22px;background:#fff}

/* Harmonise broad hero areas while keeping every page's original identity. */
.blog-article-page > .hero,
.blog-article-page > .article-header,
.blog-article-page > .blog-header,
.blog-article-page .carryover-article > .blog-hero{
    border-bottom:1px solid rgba(255,255,255,.12)!important;
    box-shadow:inset 0 -1px 0 rgba(255,255,255,.04);
}
.blog-article-page > .hero,
.blog-article-page > .article-header,
.blog-article-page > .blog-header{
    background-color:#244d7c;
}

/* Typography and reading comfort */
.blog-article-page p{line-height:1.82}
.blog-article-page .article p,
.blog-article-page .blog-content p,
.blog-article-page .main-story p,
.blog-article-page .article-container p,
.blog-article-page .article-card p,
.blog-article-page .body-content p,
.blog-article-page .blog-article p{color:#44546a}
.blog-article-page h1,.blog-article-page h2,.blog-article-page h3,.blog-article-page h4{letter-spacing:-.025em}
.blog-article-page .article h2,
.blog-article-page .blog-content h2,
.blog-article-page .article-card h2,
.blog-article-page .article-container h2,
.blog-article-page .body-content h2,
.blog-article-page .blog-article h2{color:#173654}
.blog-article-page blockquote{border-radius:17px!important}
.blog-article-page table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--fbb-border);border-radius:14px;background:#fff}
.blog-article-page th{background:#244d7c!important;color:#fff!important;font-weight:800;text-align:left}
.blog-article-page th,.blog-article-page td{padding:12px 14px;border-bottom:1px solid #e8edf3}
.blog-article-page tr:last-child td{border-bottom:0}
.blog-article-page tbody tr:nth-child(even){background:#f7fafc}
.blog-article-page img{border-radius:16px}

/* Preserve long self-study English layout, but make it fit the common shell. */
.blog-article-page .layout{width:min(1180px,calc(100% - 40px));margin-left:auto!important;margin-right:auto!important}

/* Related reading */
.fbb-continue-reading{padding:58px 0 0;font-family:'Plus Jakarta Sans',system-ui,sans-serif}
.fbb-related-inner{width:min(1180px,calc(100% - 40px));margin:auto}
.fbb-related-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:22px}.fbb-related-head>div>span{display:inline-flex;padding:6px 10px;border-radius:999px;background:#dff5f7;color:#147983;font-size:.68rem;font-weight:850;text-transform:uppercase;letter-spacing:.06em}.fbb-related-head h2{margin:9px 0 6px!important;color:#183553!important;font:850 clamp(1.45rem,3vw,2.1rem)/1.12 'Plus Jakarta Sans',sans-serif!important}.fbb-related-head p{margin:0!important;color:#6b798c!important;font-size:.84rem!important}.fbb-related-head>a{flex:0 0 auto;color:#285b8d!important;text-decoration:none!important;font-size:.78rem;font-weight:800}
.fbb-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.fbb-related-grid article{background:#fff;border:1px solid var(--fbb-border);border-radius:19px;padding:20px;box-shadow:0 9px 28px rgba(27,54,86,.06)}.fbb-related-category{display:inline-flex;font-size:.63rem;font-weight:850;color:#2c6f78;background:#e9f7f8;padding:5px 8px;border-radius:999px}.fbb-related-grid h3{margin:11px 0 8px!important;color:#1b3552!important;font:800 1rem/1.35 'Plus Jakarta Sans',sans-serif!important}.fbb-related-grid p{margin:0 0 14px!important;color:#718095!important;font:500 .76rem/1.62 'Plus Jakarta Sans',sans-serif!important}.fbb-related-grid a{color:#285b8d!important;text-decoration:none!important;font-size:.75rem;font-weight:850}.fbb-related-grid article:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(27,54,86,.10)}
.fbb-study-cta{margin-top:18px;border-radius:20px;padding:21px 22px;background:linear-gradient(105deg,#23476f,#315e8d);display:flex;align-items:center;justify-content:space-between;gap:20px;color:#fff}.fbb-study-cta strong{display:block;font-size:1rem}.fbb-study-cta span{display:block;color:#d8e8f6;font-size:.75rem;margin-top:3px}.fbb-study-cta>div:last-child{display:flex;gap:8px;flex-wrap:wrap}.fbb-study-cta a{display:inline-flex;min-height:39px;align-items:center;padding:0 13px;border-radius:10px;background:#fff;color:#244d7c!important;text-decoration:none!important;font-size:.72rem;font-weight:850}.fbb-study-cta a.secondary{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff!important}

/* Index polish after original blog styles */
.blog-index .blog-page{background:#fff}.blog-index .blog-page .blog-hero{padding-top:90px}.blog-index .blog-card{border-color:#dfe7ef!important;box-shadow:0 12px 32px rgba(25,53,85,.07)!important}.blog-index .blog-card:hover{transform:translateY(-5px)}

@media(max-width:900px){.fbb-context-actions .fbb-context-tag{display:none}.fbb-related-grid{grid-template-columns:1fr 1fr}.fbb-study-cta{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.fbb-context-inner{width:min(100% - 24px,1180px)}.fbb-context-actions>a{display:none}.fbb-breadcrumb{font-size:.66rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fbb-related-inner{width:min(100% - 24px,1180px)}.fbb-related-head{align-items:flex-start;flex-direction:column;gap:8px}.fbb-related-grid{grid-template-columns:1fr}.blog-article-page .article,.blog-article-page .blog-post-full,.blog-article-page .article-container,.blog-article-page .article-card,.blog-article-page .blog-card{border-radius:16px!important}.blog-article-page .layout{width:min(100% - 20px,1180px)}}