:root {
    color-scheme: dark;
    --background: #000;
    --surface: #0b0c0e;
    --surface-raised: #111316;
    --text: #f5f5f7;
    --muted: #a1a5ae;
    --subtle: #818792;
    --blue: #a2caff;
    --line: #292c32;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
body { margin: 0; background: var(--background); color: var(--text); font-family: var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--blue); }
button, input, select { font: inherit; }
button, summary, select { cursor: pointer; }
img { max-width: 100%; height: auto; display: block; }
button, a, summary, input, select { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }
::selection { color: #000; background: #a2caff; }
.wrap { width: min(1200px, calc(100% - 120px)); margin-inline: auto; }
.narrow { max-width: 760px; }
.skip-link { position: fixed; left: 20px; top: -100px; padding: 12px 20px; z-index: 100; color: #000; background: white; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(0, 0, 0, 0.94); border-bottom: 1px solid #15171a; backdrop-filter: blur(16px); }
.nav-bar { min-height: 68px; display: flex; align-items: center; gap: 32px; }
.wordmark { font-size: 25px; letter-spacing: -1px; font-weight: 550; white-space: nowrap; }
.wordmark span { color: var(--blue); }
.desktop-nav { margin-left: auto; display: flex; align-items: center; gap: 30px; font-size: 14px; color: #bdc0c7; }
.desktop-nav a { padding-block: 14px; }
.desktop-nav [aria-current="page"] { color: #fff; }
.nav-buy { margin-left: 12px; font-size: 13px; padding: 11px 21px; background: var(--text); border-radius: 24px; color: #121316; font-weight: 600; white-space: nowrap; }
.nav-buy:hover { color: #000; background: #d8e8ff; }
.mobile-menu { display: none; }
.eyebrow { margin: 0; color: #b5bdc9; font-family: var(--mono); text-transform: uppercase; letter-spacing: 2.2px; font-size: 11px; line-height: 1.7; font-weight: 400; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
p { line-height: 1.65; }
.hero { text-align: center; padding-top: 24px; overflow: hidden; }
.hero h1 { font-size: clamp(62px, 9.3vw, 124px); line-height: 0.98; letter-spacing: -0.04em; font-weight: 600; margin: 14px auto 0; }
.hero .lead { max-width: 880px; margin: 16px auto 0; font-size: clamp(20px, 2.2vw, 26px); line-height: 1.45; letter-spacing: -0.5px; color: #b0b4be; }
.hero .purchase-actions { margin-top: 22px; }
.hero .purchase-note { margin-top: 14px; }
.purchase-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px; margin-top: 30px; }
.button { display: inline-flex; gap: 12px; align-items: center; justify-content: center; min-height: 52px; padding: 14px 25px; border-radius: 14px; background: #f4f4f6; border: 1px solid #f4f4f6; color: #121316; font-size: 15px; font-weight: 550; line-height: 1.3; transition: background 160ms, border-color 160ms; }
.button:hover { color: #000; background: #dceaff; border-color: #dceaff; }
.button.secondary { background: transparent; border-color: #8b909b; color: var(--text); }
.button.secondary:hover { background: #14171b; border-color: #d0d8e5; }
.icon { width: 18px; height: 18px; flex: 0 0 auto; }
.icon.light { filter: invert(1); }
.purchase-note { color: var(--muted); font-size: 13px; line-height: 1.7; margin: 16px auto 0; }
.purchase-note span { display: block; color: #9399a5; }
.hero-product { width: min(1090px, calc(100% - 32px)); margin: 0 auto; overflow: hidden; }
.hero-product img { width: 100%; margin-top: -24px; }
.mobile-break { display: none; }
.guide-section { background: var(--surface); padding: 64px 0 86px; border-top: 1px solid #1c1f25; }
.guide-section .section-heading { font-size: clamp(34px, 4.8vw, 56px); }
.section-heading { font-size: clamp(31px, 4.2vw, 54px); line-height: 1.12; font-weight: 550; letter-spacing: -0.045em; margin: 0 0 18px; }
.section-lead { font-size: 19px; line-height: 1.6; color: var(--muted); max-width: 760px; margin-bottom: 0; }
.section-center { text-align: center; }
.section-center .section-lead { margin-inline: auto; }
.guide-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 42px; margin-top: 52px; }
.guide-entry { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; }
.guide-number { display: flex; gap: 14px; align-items: center; width: 100%; margin: 0 0 20px; color: var(--muted); font-family: var(--mono); font-size: 12px; letter-spacing: 1px; }
.guide-number::after { content: ""; height: 1px; flex: 1; background: #4d535e; }
.guide-entry h2, .guide-entry h3 { font-size: clamp(16px, 1.6vw, 20px); letter-spacing: -0.4px; line-height: 1.4; font-weight: 500; margin-bottom: 13px; }
.guide-entry p { font-size: 15px; line-height: 1.65; color: #abb0bc; margin-bottom: 26px; }
.text-link { color: var(--blue); display: inline-flex; align-items: center; gap: 11px; font-size: 15px; line-height: 1.5; }
.guide-entry .text-link { margin-top: auto; }
.guide-grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 45px; }
.guide-actions { display: flex; flex-wrap: wrap; gap: 18px 35px; margin-top: 42px; }
.library-tool { display: grid; grid-template-columns: 1fr auto; gap: 35px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 30px; margin-bottom: 60px; }
.library-tool h2 { margin: 10px 0 14px; font-size: 28px; letter-spacing: -0.8px; font-weight: 500; }
.library-tool p:not(.eyebrow) { color: var(--muted); margin-bottom: 0; max-width: 620px; }
.text-link:hover { color: #d7e8ff; }
.section { padding-block: 100px; border-top: 1px solid #1d2025; }
.section .eyebrow { margin-bottom: 20px; }
.platform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 58px; }
.platform { padding-top: 30px; border-top: 1px solid var(--line); }
.platform h3 { font-size: 30px; letter-spacing: -1px; font-weight: 500; margin-bottom: 14px; }
.platform > p { max-width: 450px; color: var(--muted); font-size: 17px; }
.platform .button { margin-top: 14px; }
.platform .text-link { margin-left: 16px; }
.small-note { font-size: 13px; line-height: 1.7; color: var(--muted); margin: 16px 0 0; }
.feature-rows { margin-top: 40px; }
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-block: 30px; border-top: 1px solid var(--line); }
.feature-row h3 { font-size: 22px; line-height: 1.4; font-weight: 500; letter-spacing: -0.6px; }
.feature-row p { color: var(--muted); max-width: 500px; font-size: 17px; margin: 0; }
.site-footer { border-top: 1px solid var(--line); padding: 52px 0 30px; background: #030405; }
.footer-top { display: flex; gap: 50px; justify-content: space-between; }
.footer-brand p { color: var(--muted); font-size: 14px; max-width: 270px; margin-top: 16px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; align-items: flex-start; font-size: 14px; color: #bac0ca; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid #1c1f24; padding-top: 25px; margin-top: 32px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.page-intro { padding: 76px 0 58px; }
.page-intro h1 { font-size: clamp(44px, 6vw, 80px); font-weight: 550; line-height: 1.08; letter-spacing: -0.055em; margin: 20px 0 25px; }
.page-intro .lead { max-width: 760px; font-size: 21px; color: var(--muted); line-height: 1.55; margin-bottom: 0; }
.product-hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 76px; align-items: center; min-height: 730px; padding-block: 65px; }
.product-hero h1 { font-size: clamp(54px, 5.4vw, 78px); font-weight: 550; line-height: 1.07; letter-spacing: -0.055em; margin: 21px 0 25px; }
.product-hero .lead { font-size: 21px; line-height: 1.6; color: var(--muted); max-width: 520px; }
.product-hero .purchase-actions { justify-content: flex-start; }
.product-visual { margin: 0; }
.product-visual img { margin: auto; }
.product-visual figcaption { color: var(--muted); font-size: 12px; line-height: 1.7; text-align: center; margin-top: 20px; }
.product-visual.iphone img { max-height: 640px; width: auto; border-radius: 24px; border: 1px solid #2c3038; }
.product-visual.mac img { width: 100%; border-radius: 16px; border: 1px solid #292e38; }
.product-details { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.product-details h2 { font-size: 42px; line-height: 1.15; letter-spacing: -1.5px; font-weight: 500; }
.product-details p { color: var(--muted); font-size: 17px; }
.spec-list { margin: 0; }
.spec-list div { padding-block: 20px; border-top: 1px solid var(--line); }
.spec-list dt { margin-bottom: 8px; color: #e0e3e9; font-size: 15px; }
.spec-list dd { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.faq-list { margin-top: 40px; }
.faq-list details { border-top: 1px solid var(--line); padding-block: 23px; }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { font-size: 18px; font-weight: 500; line-height: 1.5; padding-right: 20px; }
.faq-list details p { color: var(--muted); max-width: 730px; font-size: 16px; margin: 20px 0 0; }
.article-hero { padding: 65px 0 55px; border-bottom: 1px solid var(--line); }
.breadcrumb { color: var(--muted); font-size: 13px; margin-bottom: 35px; display: flex; align-items: center; gap: 10px; }
.breadcrumb img { width: 13px; height: 13px; opacity: 0.7; }
.article-hero h1 { max-width: 950px; font-size: clamp(43px, 5.7vw, 76px); line-height: 1.08; font-weight: 550; letter-spacing: -0.052em; margin: 20px 0 25px; }
.article-hero .lead { color: #b3b8c3; font-size: 21px; line-height: 1.6; max-width: 810px; }
.article-meta { font-family: var(--mono); color: #919aa8; font-size: 12px; margin: 28px 0 0; }
.article-layout { display: grid; grid-template-columns: 220px minmax(0, 760px); gap: 80px; justify-content: space-between; align-items: start; padding-block: 55px 95px; }
.article-toc { position: sticky; top: 120px; padding-right: 20px; }
.article-toc .eyebrow { margin-bottom: 24px; }
.article-toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 17px; }
.article-toc a { color: #a8afba; font-size: 13px; line-height: 1.55; display: block; }
.article-toc a:hover { color: white; }
.article-body { min-width: 0; font-size: 17px; line-height: 1.8; color: #bcc2cd; }
.article-body > section { margin-bottom: 64px; }
.article-body h2 { color: var(--text); font-size: 32px; line-height: 1.2; letter-spacing: -1px; font-weight: 500; margin: 0 0 25px; }
.article-body h3 { color: var(--text); font-size: 21px; font-weight: 500; margin: 34px 0 16px; letter-spacing: -0.4px; }
.article-body strong { color: #ecedf2; font-weight: 550; }
.article-body p { margin-bottom: 22px; line-height: 1.8; }
.article-body a:not(.button) { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.article-body ul, .article-body ol { padding-left: 24px; }
.article-body li { padding-left: 5px; margin-bottom: 12px; }
.article-body code, .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.article-body code { font-size: 0.85em; color: #d4e6ff; overflow-wrap: anywhere; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; margin: 30px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.6; text-align: left; }
caption { text-align: left; padding: 18px; background: #0c0e12; color: #e5e9f0; font-weight: 500; }
th { font-weight: 500; color: #e6eaf2; background: #111318; }
th, td { padding: 15px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) { background: #090b0e; }
.note { padding: 24px 28px; background: #0e131b; border-left: 2px solid var(--blue); margin: 30px 0; color: #c0cbdc; font-size: 15px; line-height: 1.8; }
.note p:last-child { margin-bottom: 0; }
.equation { padding: 24px; border-block: 1px solid var(--line); color: #dce8fa; font-family: var(--mono); font-size: 16px; line-height: 1.9; overflow-wrap: anywhere; margin: 28px 0; }
.example { background: #0d1015; border: 1px solid #2b3441; border-radius: 14px; padding: 28px; margin: 30px 0; }
.example h3 { margin: 0 0 14px; }
.example > p { font-size: 15px; }
.example-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 25px 0; }
.example label { font-size: 12px; color: #adb9cc; display: grid; gap: 9px; line-height: 1.4; }
.example input, .example select { color: var(--text); background: #080b10; border: 1px solid #455165; border-radius: 7px; min-height: 46px; padding: 10px; width: 100%; min-width: 0; font-size: 14px; }
.example-output { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-top: 1px solid #29313f; padding-top: 22px; }
.example-output div { color: var(--muted); font-size: 12px; line-height: 1.6; }
.example-output output { display: block; color: #dceaff; font-size: 23px; font-family: var(--mono); margin-bottom: 7px; }
.example-error { min-height: 21px; font-size: 13px; color: #ffb6a6; margin: 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.runtime-tool { padding-bottom: 70px; }
.runtime-tool fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.runtime-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.runtime-fields > div { min-width: 0; }
.runtime-fields label { display: block; margin: 0 0 9px; }
.runtime-fields small { display: block; margin-top: 7px; font-size: 11px; color: var(--muted); }
.runtime-tool .example-output output { line-height: 1.45; overflow-wrap: anywhere; }
.runtime-tool .example-error { margin-block: 18px; }
.runtime-tool [hidden] { display: none !important; }
.tool-actions, .tool-presets { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 22px; }
.tool-presets .button { min-height: 42px; padding: 10px 16px; font-size: 13px; }
.example button:disabled { opacity: 0.5; cursor: default; }
.tool-check { display: grid; grid-template-columns: 19px minmax(0, 1fr); gap: 8px 12px; margin-block: 20px; }
.example .tool-check label { display: block; font-size: 14px; line-height: 1.6; }
.tool-check small { grid-column: 2; font-size: 12px; color: var(--muted); line-height: 1.6; }
.example .tool-check input[type="checkbox"] { width: 19px; height: 19px; min-height: 19px; flex: 0 0 19px; margin-top: 2px; accent-color: var(--blue); }
.runtime-tool .article-cta .purchase-actions { justify-content: flex-start; }
.guide-tool-link { margin-top: 28px; }
.guide-tool-link .text-link { font-size: 13px; }
.article-cta { padding: 34px 0; border-block: 1px solid var(--line); margin-block: 45px; }
.article-cta h3 { margin-top: 0; font-size: 27px; }
.article-cta .purchase-actions { justify-content: flex-start; margin-top: 22px; }
.article-sources { font-size: 14px; }
.article-sources h2 { font-size: 24px; }
.article-sources li { margin-bottom: 14px; }
.related-guide { border-top: 1px solid var(--line); padding-block: 24px; display: grid; gap: 10px; }
.help-layout { max-width: 900px; }
.help-layout h2 { margin-top: 65px; }
.help-layout .faq-list { margin-top: 25px; }
.empty-state { padding: 120px 0; min-height: 60vh; }
.empty-state h1 { font-size: 64px; letter-spacing: -3px; }
.empty-state p { color: var(--muted); font-size: 19px; }

@media (min-width: 1500px) {
    .hero { padding-top: 70px; }
}
@media (max-width: 1050px) {
    .wrap { width: calc(100% - 120px); }
    .desktop-nav { gap: 22px; }
    .nav-buy { margin-left: 0; }
    .hero h1 { font-size: 9.3vw; }
    .hero-product { width: calc(100% - 32px); }
    .guide-grid { gap: 30px; }
    .product-hero { gap: 45px; }
    .article-layout { grid-template-columns: 175px minmax(0, 1fr); gap: 45px; }
    .platform .text-link { margin: 20px 0 0; display: flex; }
}
@media (max-width: 760px) {
    html { scroll-padding-top: 90px; }
    .wrap { width: calc(100% - 40px); }
    .nav-bar { min-height: 68px; gap: 18px; }
    .wordmark { font-size: 22px; letter-spacing: -0.8px; }
    .desktop-nav { display: none; }
    .nav-buy { margin-left: auto; padding: 10px 16px; font-size: 12px; }
    .mobile-menu { display: block; }
    .mobile-menu summary { font-size: 12px; color: #bbc1cd; padding: 12px 0 12px 7px; list-style: none; }
    .mobile-menu summary::-webkit-details-marker { display: none; }
    .mobile-menu nav { position: absolute; top: 67px; left: 0; right: 0; background: #101217; padding: 15px 20px 25px; display: grid; box-shadow: 0 15px 30px #0008; border-bottom: 1px solid #303642; }
    .mobile-menu nav a { padding: 13px 0; border-bottom: 1px solid #232833; font-size: 16px; }
    .hero { padding-top: 47px; }
    .eyebrow { font-size: 9px; letter-spacing: 1.6px; }
    .hero h1 { font-size: clamp(47px, 9.8vw, 72px); margin-top: 24px; letter-spacing: -0.06em; }
    .hero .lead { font-size: 18px; margin-top: 23px; max-width: 420px; padding-inline: 5px; }
    .hero .purchase-actions { margin-top: 28px; gap: 12px; }
    .button { font-size: 13px; gap: 8px; min-height: 49px; padding: 13px 16px; border-radius: 11px; }
    .button .icon { width: 15px; height: 15px; }
    .purchase-note { font-size: 11px; max-width: 350px; line-height: 1.8; margin-top: 16px; }
    .hero-product { width: calc(100% + 32px); max-width: none; margin: 20px -16px 0; }
    .hero-product img { margin-top: 0; }
    .mobile-break { display: initial; }
    .guide-section { padding-block: 53px 62px; }
    .section-heading { font-size: 34px; line-height: 1.15; }
    .section-lead { font-size: 16px; }
    .guide-grid { grid-template-columns: 1fr; gap: 35px; margin-top: 38px; }
    .library-tool { grid-template-columns: 1fr; padding: 24px; gap: 24px; margin-bottom: 40px; }
    .library-tool .button { justify-self: start; }
    .guide-number { margin-bottom: 15px; }
    .guide-entry h2, .guide-entry h3 { font-size: 22px; }
    .guide-entry p { margin-bottom: 18px; }
    .section { padding-block: 64px; }
    .platform-grid { grid-template-columns: 1fr; gap: 38px; margin-top: 34px; }
    .platform > p { font-size: 16px; }
    .platform .button { margin-top: 10px; }
    .platform .text-link { display: inline-flex; margin: 0 0 0 14px; }
    .feature-row { grid-template-columns: 1fr; gap: 10px; padding-block: 25px; }
    .feature-row h3 { font-size: 21px; margin: 0; }
    .feature-row p { font-size: 16px; }
    .footer-top, .footer-bottom { flex-direction: column; gap: 25px; }
    .footer-links { gap: 16px 24px; }
    .footer-bottom { font-size: 11px; gap: 12px; margin-top: 25px; }
    .product-hero { grid-template-columns: 1fr; gap: 45px; padding-block: 52px 58px; }
    .product-hero h1 { font-size: 52px; }
    .product-hero .lead { font-size: 18px; }
    .product-visual.iphone img { max-height: 580px; }
    .product-visual.mac { margin-top: 12px; }
    .product-details { grid-template-columns: 1fr; gap: 25px; }
    .product-details h2 { font-size: 36px; }
    .page-intro { padding: 50px 0 38px; }
    .page-intro h1 { font-size: 47px; }
    .page-intro .lead { font-size: 18px; }
    .article-hero { padding-block: 38px 35px; }
    .article-hero h1 { font-size: 44px; }
    .article-hero .lead { font-size: 18px; }
    .article-meta { font-size: 10px; }
    .breadcrumb { margin-bottom: 29px; font-size: 12px; }
    .article-layout { display: block; padding-top: 30px; }
    .article-toc { position: static; border-bottom: 1px solid var(--line); padding: 0 0 30px; margin-bottom: 40px; }
    .article-toc .eyebrow { margin-bottom: 18px; }
    .article-toc ol { grid-template-columns: 1fr 1fr; gap: 13px 20px; }
    .article-toc a { font-size: 12px; }
    .article-body { font-size: 16px; }
    .article-body h2 { font-size: 29px; }
    .article-body > section { margin-bottom: 45px; }
    .article-body code { font-size: 0.82em; }
    .example { padding: 20px; }
    .example-fields { grid-template-columns: 1fr 1fr; }
    .example-fields label:first-child { grid-column: 1 / -1; }
    .example-output output { font-size: 20px; }
    .example-output { gap: 12px; }
    .equation { padding-inline: 0; font-size: 13px; }
    .note { padding: 20px; }
    th, td { padding: 12px; font-size: 12px; }
    .article-cta .button { font-size: 12px; }
    .article-cta .purchase-actions { gap: 10px; }
}
@media (max-width: 600px) {
    .quick-tool .runtime-fields { grid-template-columns: 1fr; }
}
@media (max-width: 370px) {
    .wrap { width: calc(100% - 32px); }
    .nav-buy { padding-inline: 13px; }
    .nav-bar { gap: 12px; }
    .hero h1 { font-size: 43px; }
    .purchase-actions { gap: 10px; }
    .button { padding-inline: 12px; font-size: 12px; }
    .example-output { grid-template-columns: 1fr; }
    .runtime-fields { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* Reference library: ordinary HTML remains complete without JavaScript. */
.reference-page, .print-sheet { padding-bottom: 70px; }
.reference-toc, .sheet-controls { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-bottom: 42px; }
.reference-toc { font-size: 13px; color: var(--blue); }
.reference-page [hidden], .print-sheet [hidden] { display: none !important; }
.code-block { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; font-family: var(--mono); font-size: 13px; line-height: 1.8; white-space: pre; overflow-x: auto; }
.article-body .code-block code { font-size: inherit; overflow-wrap: normal; }
.glossary-search > label { display: block; color: #b5bdc9; font-size: 14px; margin-bottom: 12px; }
.glossary-search input { width: 100%; min-height: 52px; padding: 12px; color: var(--text); background: var(--surface); border: 1px solid #455165; border-radius: 8px; font-size: 16px; }
.glossary-list { margin: 30px 0 0; }
.glossary-list > div { padding: 26px 0; border-top: 1px solid var(--line); scroll-margin-top: 104px; }
.glossary-list dt { font-size: 22px; font-weight: 500; margin-bottom: 12px; }
.glossary-list dd { margin: 0; }
.glossary-list dd p { margin-bottom: 15px; }
.print-sheet section { break-inside: avoid; }
.sheet-checks { padding-left: 23px; }
.sheet-checks li { margin-bottom: 12px; }
@media (max-width: 600px) {
    .code-block { padding: 16px; }
    .reference-toc { gap: 12px 18px; }
}
@media print {
    @page { size: A4; margin: 14mm; }
    :root { color-scheme: light; }
    html { scroll-behavior: auto; }
    body { background: #fff; color: #111; font-size: 10pt; }
    .site-header, .site-footer, .skip-link, .sheet-controls, .article-cta { display: none !important; }
    .wrap { width: 100%; max-width: none; }
    .page-intro { padding: 0 0 12pt; }
    .page-intro h1 { font-size: 23pt; line-height: 1.15; color: #111; }
    .page-intro .lead { font-size: 10pt; color: #222; }
    .page-intro .eyebrow { color: #333; }
    .print-sheet { padding: 0; font-size: 9pt; line-height: 1.4; }
    .print-sheet section { margin-bottom: 12pt; }
    .print-sheet h2 { font-size: 12pt; color: #111; margin-top: 12pt; }
    .print-sheet p, .print-sheet li, .print-sheet .note { color: #222; line-height: 1.4; }
    .print-sheet .note { background: #f3f5f7; padding: 9pt; border-color: #888; }
    .print-sheet th, .print-sheet td { color: #111; background: #fff; border-color: #bbb; padding: 6pt; font-size: 8pt; }
    .print-sheet caption { color: #111; background: #fff; padding: 6pt; }
    .print-sheet table { width: 100%; }
    .print-sheet a { color: #174f7b; text-decoration: underline; }
    .print-sheet .article-sources { font-size: 8pt; }
    .print-sheet .eyebrow { color: #333; }
}