.breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; padding: 26px 0; color: var(--color-muted); font-size: .8rem; }
.breadcrumb a { color: var(--color-primary-dark); font-weight: 800; }
.article-hero { padding: 58px 0 76px; background: var(--color-soft); }
.article-hero__grid { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(390px, .97fr); gap: clamp(40px, 7vw, 100px); align-items: center; }
.article-hero h1 { max-width: 780px; margin-bottom: 20px; font-size: clamp(2.75rem, 5vw, 4.9rem); }
.article-hero__copy > p:not(.eyebrow) { max-width: 680px; margin-bottom: 22px; color: var(--color-muted); font-size: 1.08rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: 9px; color: var(--color-muted); font-size: .77rem; font-weight: 700; }
.hero-reference { overflow: hidden; border-radius: var(--radius-large); background: var(--color-primary-dark); box-shadow: var(--shadow); }
.hero-reference > img { height: 260px; object-fit: cover; }
.quick-reference { padding: 26px; color: #fff; }
.quick-reference .eyebrow { margin-bottom: 7px; color: #fff0be; }
.quick-reference h2 { margin-bottom: 18px; font-size: 1.6rem; }
.quick-reference__table { overflow-x: auto; border-top: 1px solid rgba(255, 255, 255, .35); }
.quick-reference table { width: 100%; min-width: 570px; border-collapse: collapse; font-size: .72rem; line-height: 1.4; }
.quick-reference th, .quick-reference td { padding: 10px 8px; border-bottom: 1px solid rgba(255, 255, 255, .24); text-align: left; vertical-align: top; }
.quick-reference th { color: #fff2c4; }
.quick-reference thead th { color: #fff; font-size: .66rem; letter-spacing: .04em; text-transform: uppercase; }
.article-layout { display: grid; grid-template-columns: 180px minmax(0, 920px); gap: clamp(42px, 7vw, 100px); align-items: start; }
.article-reading { min-width: 0; padding: 90px 0 112px; }
.article-toc { position: sticky; top: 110px; display: grid; gap: 8px; height: fit-content; margin-top: 94px; padding-left: 16px; border-left: 1px solid var(--color-line); font-size: .77rem; }
.article-toc p { margin: 0 0 4px; color: var(--color-primary-dark); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.article-toc a { color: var(--color-muted); }
.article-toc a:hover { color: var(--color-primary-dark); }
.article-section { padding-bottom: 92px; }
.article-page .section-reveal { opacity: 1; transform: none; }
.article-section h2, .related-articles h2 { margin-bottom: 20px; font-size: clamp(2.2rem, 4vw, 3.45rem); }
.article-section p, .article-prose li { color: var(--color-muted); }
.article-overview { display: grid; grid-template-columns: .87fr 1.13fr; gap: clamp(32px, 6vw, 76px); align-items: center; }
.article-overview figure { height: 390px; margin: 0; overflow: hidden; border-radius: var(--radius-large); box-shadow: var(--shadow); }
.article-overview figure img { height: 100%; object-fit: cover; }
.glance-grid, .aid-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin: 25px 0; }
.glance-grid > div, .aid-grid > div, .checklist, .definition-list, .selection-guide > div { padding: 20px; border: 1px solid var(--color-line); border-radius: var(--radius-medium); background: #fff; }
.glance-grid h3, .aid-grid h4, .definition-list h4, .checklist h4, .selection-guide h4 { margin: 0 0 10px; color: var(--color-text); font-size: 1rem; }
.glance-grid ul, .aid-grid ul, .aid-grid ol, .definition-list ul, .checklist ul, .checklist ol, .summary-checklist ul { display: grid; gap: 8px; margin: 0; padding-left: 19px; color: var(--color-muted); font-size: .85rem; }
.transition { font-weight: 700; }
.article-prose { max-width: 790px; margin: 0 auto; }
.article-prose > h2 { margin-bottom: 16px; }
.article-prose > p, .article-prose li { font-size: 1rem; }
.body-subsection { scroll-margin-top: 100px; padding-top: 64px; }
.body-subsection h3 { margin: 0 0 14px; color: var(--color-text); font-size: clamp(1.45rem, 2.4vw, 2rem); }
.body-subsection p { color: var(--color-muted); }
.article-figure { margin: 0 0 27px; overflow: hidden; border-radius: var(--radius-large); background: #f1ead9; box-shadow: var(--shadow); }
.article-figure img { width: 100%; height: 360px; object-fit: cover; }
.article-figure--wide img { height: 380px; }
.article-table { overflow-x: auto; margin: 27px 0; border: 1px solid var(--color-line); border-radius: 14px; }
.article-table table { width: 100%; min-width: 580px; border-collapse: collapse; font-size: .82rem; }
.article-table th, .article-table td { padding: 14px 16px; border-bottom: 1px solid var(--color-line); text-align: left; vertical-align: top; }
.article-table thead { color: #fff; background: var(--color-primary-dark); }
.article-table tbody th { color: var(--color-text); }
.article-table tbody td { color: var(--color-muted); }
.definition-list, .checklist { margin: 26px 0 0; background: var(--color-soft); }
.practical-note { align-self: stretch; padding: 23px; border-radius: var(--radius-medium); color: var(--color-text); background: #f5e9bc; }
.practical-note strong { display: block; margin-bottom: 8px; color: var(--color-primary-dark); text-transform: uppercase; letter-spacing: .08em; font-size: .72rem; }
.practical-note p { margin: 0; color: var(--color-text); font-weight: 700; }
.selection-guide { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 26px 0; }
.selection-guide p { margin: 0; font-size: .9rem; }
.article-faq { padding: clamp(24px, 5vw, 46px); border-radius: 30px; background: var(--color-soft); }
.article-faq__heading { display: grid; grid-template-columns: 180px 1fr; gap: 30px; align-items: center; }
.article-faq__heading > img { width: 100%; height: 180px; border-radius: var(--radius-medium); object-fit: cover; }
.article-faq__heading p { margin-bottom: 0; }
.faq-list { margin-top: 34px; border-top: 1px solid var(--color-line); }
.faq-list details { border-bottom: 1px solid var(--color-line); }
.faq-list summary { position: relative; padding: 20px 38px 20px 0; color: var(--color-text); cursor: pointer; font-size: .97rem; font-weight: 800; list-style: none; }
.faq-list summary::after { position: absolute; right: 0; content: '+'; color: var(--color-primary-dark); font-size: 1.35rem; font-weight: 400; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { padding-bottom: 19px; margin-bottom: 0; font-size: .9rem; }
.faq-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 25px; padding: 17px 18px 17px 34px; margin: 0; border-bottom: 1px solid var(--color-line); color: var(--color-muted); font-size: .82rem; background: rgba(216, 192, 120, .13); }
.article-summary { display: grid; grid-template-columns: .9fr 1.1fr; overflow: hidden; padding: 0; border-radius: 30px; color: #fff; background: var(--color-primary-dark); }
.article-summary > img { height: 100%; min-height: 410px; object-fit: cover; }
.article-summary > div { padding: clamp(34px, 5vw, 66px); }
.article-summary .eyebrow { color: #fff0be; }
.article-summary h2 { margin-bottom: 18px; }
.article-summary p { color: #fff8e4; }
.summary-checklist { margin-top: 26px; padding: 20px; border: 1px solid rgba(255, 255, 255, .36); border-radius: var(--radius-medium); }
.summary-checklist h3 { margin: 0 0 10px; font-size: 1rem; }
.summary-checklist ul { color: #fff8e4; }
.article-inquiry { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(30px, 6vw, 76px); align-items: center; padding: 44px; border-radius: 30px; background: var(--color-soft); }
.article-inquiry > div > img { height: 190px; margin-top: 25px; border-radius: var(--radius-medium); object-fit: cover; }
.inquiry-action { display: grid; gap: 18px; justify-items: start; padding: 32px; border-radius: var(--radius-large); background: #fff; box-shadow: var(--shadow); }
.inquiry-action p { margin: 0; }
.editorial-date { display: grid; grid-template-columns: 180px 1fr; gap: 30px; align-items: center; padding: 30px; border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.editorial-date > img { width: 180px; height: 150px; border-radius: var(--radius-medium); object-fit: cover; }
.editorial-date p:last-child { margin-bottom: 0; }
.related-articles { padding-top: 66px; }
.related-articles__heading { display: grid; grid-template-columns: 1fr 240px; gap: 32px; align-items: end; margin-bottom: 28px; }
.related-articles__heading h2 { margin-bottom: 0; }
.related-articles__heading img { height: 120px; border-radius: var(--radius-medium); object-fit: cover; }
.related-articles__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.related-card { display: flex; flex-direction: column; min-height: 360px; overflow: hidden; border-radius: var(--radius-large); background: var(--color-soft); transition: transform .25s ease, box-shadow .25s ease; }
.related-card:hover { box-shadow: var(--shadow); transform: translateY(-5px); }
.related-card img { height: 150px; object-fit: cover; background: #fff; }
.related-card > span, .related-card h3, .related-card p { margin-left: 18px; margin-right: 18px; }
.related-card > span { margin-top: 18px; color: var(--color-primary-dark); font-size: .66rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.related-card h3 { margin-top: 7px; margin-bottom: 9px; font-size: 1.04rem; }
.related-card p { margin-bottom: 20px; color: var(--color-muted); font-size: .8rem; }
.ring-dialog { width: min(590px, calc(100% - 32px)); max-height: calc(100dvh - 32px); margin: auto; padding: 0; border-radius: var(--radius-large); color: var(--color-text); box-shadow: 0 28px 80px rgba(52, 43, 21, .35); }
.ring-dialog::backdrop { background: rgba(44, 37, 20, .62); backdrop-filter: blur(4px); }
.ring-dialog__header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 25px 28px 8px; }
.ring-dialog__header h2 { margin: 0; font-size: 1.8rem; }
.dialog-close { display: grid; width: 38px; height: 38px; place-items: center; border: 0; border-radius: 50%; color: var(--color-text); background: var(--color-soft); font-size: 1.6rem; line-height: 1; }
.article-form { display: grid; gap: 15px; padding: 20px 28px 28px; }
.article-form label { display: grid; gap: 6px; color: var(--color-text); font-size: .78rem; font-weight: 800; }
.article-form input, .article-form textarea { width: 100%; padding: 12px; border: 1px solid var(--color-line); border-radius: 10px; color: var(--color-text); resize: vertical; }
.article-form input:focus, .article-form textarea:focus { border-color: var(--color-primary-dark); outline: 3px solid rgba(216, 192, 120, .35); }
.form-status { min-height: 1.5em; margin: 0; color: var(--color-primary-dark); font-size: .86rem; font-weight: 700; }
.article-page .button:hover, .ring-dialog .button:hover { box-shadow: 0 10px 24px rgba(155, 133, 62, .28); }
@media (max-width: 1100px) { .article-layout { grid-template-columns: 1fr; } .article-toc { display: none; } .related-articles__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 800px) { .article-hero__grid, .article-overview, .article-summary, .article-inquiry { grid-template-columns: 1fr; } .article-hero { padding: 48px 0 60px; } .article-overview figure { height: 300px; } .article-summary > img { min-height: 280px; } .article-reading { padding-top: 64px; } .related-articles__heading { grid-template-columns: 1fr; } .related-articles__heading img { width: 100%; height: 180px; } }
@media (max-width: 620px) { .breadcrumb { padding: 18px 0; } .article-hero h1 { font-size: clamp(2.65rem, 13vw, 4.2rem); } .hero-reference > img { height: 210px; } .quick-reference { padding: 20px; } .article-section { padding-bottom: 70px; } .body-subsection { padding-top: 48px; } .article-figure img, .article-figure--wide img { height: 260px; } .glance-grid, .aid-grid, .selection-guide, .faq-points { grid-template-columns: 1fr; } .article-faq, .article-inquiry { padding: 22px; border-radius: 22px; } .article-faq__heading, .editorial-date { grid-template-columns: 1fr; gap: 18px; } .article-faq__heading > img { height: 210px; } .editorial-date > img { width: 100%; height: 190px; } .inquiry-action { padding: 24px; } .related-articles { padding-top: 48px; } .related-articles__grid { grid-template-columns: 1fr; } .ring-dialog__header { padding: 20px 20px 6px; } .article-form { padding: 18px 20px 20px; } }