/* HarunaFans platform guides: shared brand pink, white and soft backgrounds. */
.economy-content {
    --ink: #1d1d1f;
    --muted: #68616b;
    --accent: #ff2f69;
    --accent-ink: #c81e55;
    --soft: #fff5f8;
    --line: #eee2e8;
    --green: #47755c;
    --primary-fill: #c81e55;
    --page: #fff;
    --surface: #fff;
    --glass: #fffffff5;
    --hero-glow: #fcebf2;
    --result: #fff9fb;
    --control-border: #d6cad3;
    --accent-border: #e4a2bb;
    --error: #a32724;
    color-scheme: light;
}
html.dark .economy-content {
    --ink: #f5eff3;
    --muted: #bdb0bd;
    --accent: #ff80aa;
    --accent-ink: #ff94b7;
    --soft: #201821;
    --line: #3b2e3e;
    --green: #a2d8b6;
    --page: #100e14;
    --surface: #1b161f;
    --glass: #1b161ff5;
    --hero-glow: #392032;
    --result: #291b28;
    --control-border: #756479;
    --accent-border: #a65b7d;
    --error: #ff9b98;
    color-scheme: dark;
}
.economy-content, .economy-content * { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
.economy-content { margin: 0; color: var(--ink); background: var(--page); font-family: Inter, system-ui, -apple-system, "Segoe UI", "Microsoft JhengHei", sans-serif; line-height: 1.75; }
.economy-content a { color: inherit; text-decoration: none; }
.economy-content input, .economy-content select, .economy-content button { font: inherit; }
.economy-content a, .economy-content input, .economy-content select, .economy-content summary { touch-action: manipulation; }
.economy-content a:focus-visible, .economy-content input:focus-visible, .economy-content select:focus-visible, .economy-content summary:focus-visible, .economy-content [tabindex]:focus-visible { outline: 3px solid var(--accent-ink); outline-offset: 5px; }
.economy-content p, .economy-content h1, .economy-content h2, .economy-content h3, .economy-content figure { margin: 0; }
.economy-content em { font-style: normal; color: var(--accent); }
.economy-content b, .economy-content strong { font-weight: 750; }
.economy-content .wrap, .economy-content .nav-wrap { width: min(1280px, 100%); margin-inline: auto; padding-inline: 28px; }
.economy-content .skip { position: fixed; top: -100px; left: 15px; z-index: 100; background: var(--surface); padding: 12px; }
.economy-content .skip:focus { top: 8px; }
.economy-content .announcement { background: var(--soft); text-align: center; padding: 5px 16px; color: var(--accent-ink); font-size: 12px; font-weight: 650; letter-spacing: .35px; }
.economy-content .header { position: sticky; top: 0; z-index: 30; background: var(--glass); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.economy-content .nav-wrap { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.economy-content .brand { font-size: 26px; font-weight: 850; letter-spacing: -1px; white-space: nowrap; }
.economy-content .brand > span { color: var(--accent-ink); margin-left: 2px; }
.economy-content .brand small { display: block; font-size: 10px; font-weight: 600; letter-spacing: 1.2px; line-height: 1.4; color: var(--accent-ink); }
.economy-content .page-nav { display: flex; gap: 30px; align-items: center; font-size: 14px; font-weight: 700; margin-left: auto; }
.economy-content .page-nav a { padding-block: 24px; }
.economy-content .page-nav a[aria-current=page], .economy-content .page-nav a:hover { color: var(--accent-ink); }
.economy-content .chapter-menu { position: relative; font-size: 13px; white-space: nowrap; }
.economy-content .chapter-menu summary { cursor: pointer; padding: 10px 0; }
.economy-content .chapter-menu nav, .economy-content .mobile-menu nav { position: absolute; right: 0; top: calc(100% + 16px); min-width: 180px; padding: 10px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: 0 16px 45px #28232c1a; display: grid; gap: 2px; }
.economy-content .chapter-menu nav a, .economy-content .mobile-menu nav a { display: block; padding: 10px 14px; border-radius: 9px; font-size: 14px; }
.economy-content .chapter-menu nav a:hover, .economy-content .mobile-menu nav a:hover, .economy-content .mobile-menu nav a[aria-current=page] { background: var(--soft); color: var(--accent-ink); }
.economy-content .mobile-menu { display: none; }
.economy-content .button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 13px 26px; border: 1px solid transparent; border-radius: 999px; background: var(--primary-fill); color: #fff; font-size: 16px; font-weight: 750; transition: box-shadow .18s, transform .18s; }
.economy-content .button:hover { box-shadow: 0 8px 26px #c81e552e; transform: translateY(-2px); }
.economy-content .button.secondary { background: var(--surface); border-color: var(--line); color: var(--ink); }
.economy-content .button.secondary:hover { background: var(--soft); }
.economy-content .button.small { min-height: 42px; padding: 9px 20px; font-size: 13px; white-space: nowrap; }
.economy-content .section { padding-block: 108px; }
.economy-content .tint { background: var(--soft); }
.economy-content .feature { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 96px; align-items: center; }
.economy-content .copy { min-width: 0; }
.economy-content .eyebrow { font-size: 13px; letter-spacing: 1.2px; font-weight: 750; color: var(--accent-ink); margin-bottom: 20px; }
.economy-content h1 { font-size: 48px; line-height: 1.28; letter-spacing: -1.3px; font-weight: 800; }
.economy-content h2 { font-size: 40px; line-height: 1.4; letter-spacing: -.8px; font-weight: 780; margin-bottom: 24px; }
.economy-content h3 { font-size: 22px; line-height: 1.5; }
.economy-content .copy > p:not(.eyebrow) { font-size: 16px; color: var(--muted); line-height: 1.9; }
.economy-content .copy p b { color: var(--ink); }
.economy-content .scene { position: relative; min-width: 0; }
.economy-content .scene img { display: block; width: 100%; height: auto; aspect-ratio: 3/2; object-fit: cover; border-radius: 16px; box-shadow: 0 12px 35px #28232c0d; }
.economy-content .scene figcaption { position: absolute; right: 10px; bottom: 10px; font-size: 10px; background: var(--glass); color: var(--muted); padding: 2px 8px; border-radius: 20px; }
.economy-content .hero { padding: 98px 0 90px; background: radial-gradient(circle at 86% 28%, var(--hero-glow), var(--page) 62%); }
.economy-content .hero .feature { gap: 72px; }
.economy-content .hero .eyebrow { display: inline-block; letter-spacing: .5px; background: var(--soft); border: 1px solid var(--line); padding: 6px 13px; border-radius: 999px; font-size: 13px; margin-bottom: 22px; }
.economy-content .hero h1 em, .economy-content .hero .accent-line { display: block; margin-top: 20px; font-size: 28px; line-height: 1.4; font-weight: 750; letter-spacing: .2px; color: var(--accent-ink); }
.economy-content .hero .lead { margin-top: 26px; font-size: 18px; }
.economy-content .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.economy-content .copy .hero-note { font-size: 12px; margin-top: 22px; color: var(--muted); }
.economy-content .hero-art { position: relative; padding-bottom: 48px; min-width: 0; }
.economy-content .hero-art .scene img { aspect-ratio: 1.16; object-position: center; border-radius: 24px; }
.economy-content .hero-badge { position: absolute; bottom: 0; left: 22px; right: 22px; padding: 20px 24px; background: var(--glass); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 16px 35px #28232c16; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 5px 14px; }
.economy-content .hero-badge > span { font-size: 13px; color: var(--muted); }
.economy-content .hero-badge > strong { font-size: 43px; color: var(--accent-ink); line-height: 1.1; grid-column: 2; grid-row: 1/3; }
.economy-content .hero-badge strong small { font-size: 20px; }
.economy-content .hero-badge p { font-size: 12px; }
.economy-content .hero-badge .example { grid-column: 1/-1; margin: 6px 0 0; }
.economy-content .hero-badge .example b { font-size: 30px; }
.economy-content .hero-badge .badge-metrics { grid-column: 1/-1; display: flex; justify-content: space-between; gap: 18px; }
.economy-content .hero-badge .badge-metrics strong { color: var(--accent-ink); font-size: 32px; }
.economy-content .ecosystem-badge, .economy-content .transaction-badge { grid-template-columns: 1fr; }
.economy-content .ecosystem-badge > strong, .economy-content .transaction-badge > strong { grid-column: 1; grid-row: auto; font-size: 32px; margin-block: 3px; }
.economy-content .transaction-badge .share-line { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin: 3px 0 0; }
.economy-content .transaction-badge .share-line span { font-size: 12px; }
.economy-content .transaction-badge .share-line b { display: block; font-size: 25px; line-height: 1.3; color: var(--accent-ink); }
.economy-content .overview { padding-top: 42px; padding-bottom: 50px; text-align: center; }
.economy-content .overview > .eyebrow { color: var(--muted); margin-bottom: 26px; }
.economy-content .quick-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); }
.economy-content .quick-grid > a { display: flex; flex-direction: column; gap: 7px; border-right: 1px solid var(--line); }
.economy-content .quick-grid > a:last-child { border: 0; }
.economy-content .quick-grid strong { font-size: 38px; line-height: 1.4; }
.economy-content .quick-grid small { font-size: 20px; }
.economy-content .quick-grid span { font-size: 13px; color: var(--muted); }
.economy-content .quick-grid a:hover strong { color: var(--accent-ink); }
.economy-content .guide-entry { padding-top: 54px; padding-bottom: 90px; }
.economy-content .related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.economy-content .related-grid > a { padding: 32px 36px; background: var(--surface); border: 1px solid var(--line); border-radius: 24px; transition: border-color .2s, box-shadow .2s; }
.economy-content .related-grid > a:hover { border-color: var(--accent-border); box-shadow: 0 12px 35px #28232c0d; }
.economy-content .related-grid h3 { margin-bottom: 12px; }
.economy-content .related-grid p { font-size: 15px; line-height: 1.85; color: var(--muted); margin-bottom: 20px; }
.economy-content .text-link { font-size: 14px; font-weight: 700; color: var(--accent-ink); }
.economy-content .exchange { margin-top: 26px; padding: 20px 24px; background: var(--surface); border-left: 3px solid var(--accent); border-radius: 0 12px 12px 0; }
.economy-content .exchange strong { display: block; font-size: 27px; }
.economy-content .exchange strong span { color: var(--accent-ink); margin: 0 7px; }
.economy-content .exchange small { display: block; font-size: 12px; color: var(--muted); margin-top: 6px; }
.economy-content .key-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 18px; }
.economy-content .key-list li { padding-left: 18px; border-left: 2px solid var(--accent-border); }
.economy-content .key-list strong { display: block; font-size: 15px; margin-bottom: 4px; }
.economy-content .key-list span { display: block; font-size: 14px; color: var(--muted); line-height: 1.85; }
.economy-content .key-list b { color: var(--ink); }
.economy-content .share-option { margin-top: 22px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.economy-content .share-title { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.economy-content .share-title h3 { font-size: 18px; }
.economy-content .share-title > span { font-size: 12px; color: var(--muted); }
.economy-content .share-line { display: flex; align-items: center; gap: 18px; margin: 8px 0; flex-wrap: wrap; }
.economy-content .share-line strong { font-size: 37px; color: var(--accent-ink); line-height: 1.4; }
.economy-content .share-line strong small { font-size: 20px; }
.economy-content .share-line > b { font-size: 21px; color: var(--green); }
.economy-content .split-grid .share-line { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.economy-content .split-grid .share-line > span { min-width: 0; font-size: 12px; color: var(--muted); }
.economy-content .split-grid .share-line > span strong, .economy-content .split-grid .share-line > span small { display: block; }
.economy-content .split-grid .share-line > span strong { font-size: 30px; }
.economy-content .share-bar { flex: 1; height: 9px; border-radius: 20px; background: var(--line); }
.economy-content .content-bar { background: linear-gradient(to right,#e86a94 80%,#a9c3b0 80%); }
.economy-content .live-bar { background: linear-gradient(to right,#e86a94 60%,#a9c3b0 60%); }
.economy-content .share-option p { font-size: 13px; color: var(--muted); }
.economy-content .fine, .economy-content .copy > p.fine { font-size: 13px; color: var(--muted); margin-top: 20px; }
.economy-content .fine a { color: var(--accent-ink); }
.economy-content .detail-panel { border: 1px solid var(--line); background: var(--surface); border-radius: 16px; margin-top: 40px; overflow: hidden; }
.economy-content .detail-panel summary { cursor: pointer; padding: 20px 24px; font-size: 15px; font-weight: 650; }
.economy-content .detail-panel summary span { float: right; font-size: 12px; font-weight: 400; color: var(--muted); }
.economy-content .detail-panel[open] summary { border-bottom: 1px solid var(--line); }
.economy-content .table-scroll { overflow-x: auto; overscroll-behavior-inline: contain; }
.economy-content table { width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; min-width: 620px; }
.economy-content caption { text-align: left; padding: 18px 24px; font-weight: 700; }
.economy-content th, .economy-content td { padding: 17px 24px; border-bottom: 1px solid var(--line); }
.economy-content thead { background: var(--soft); }
.economy-content tbody b { color: var(--accent-ink); }
.economy-content tbody tr:last-child > * { border-bottom: 0; }
.economy-content .rate-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }
.economy-content .rate-pair > div { border-bottom: 1px solid var(--line); padding-bottom: 18px; }
.economy-content .rate-pair span { display: block; font-size: 13px; color: var(--muted); }
.economy-content .rate-pair strong { font-size: 38px; color: var(--accent-ink); }
.economy-content .rate-pair small { font-size: 20px; }
.economy-content .steps { list-style: none; display: flex; gap: 18px; margin: 24px 0 0; padding: 0; }
.economy-content .steps li { flex: 1; }
.economy-content .steps b { display: block; color: var(--accent-ink); font-size: 12px; letter-spacing: 1px; margin-bottom: 5px; }
.economy-content .steps span { font-size: 13px; }
.economy-content .section-title { text-align: center; max-width: 820px; margin: 0 auto 44px; }
.economy-content .section-title .eyebrow { margin-bottom: 14px; }
.economy-content .section-title h2 { margin-bottom: 16px; }
.economy-content .section-title > p:last-child:not(.eyebrow) { font-size: 16px; color: var(--muted); }
.economy-content .calculator-section { background: var(--soft); }
.economy-content .calculator { display: grid; grid-template-columns: 1fr 1fr; max-width: 920px; margin: auto; border: 1px solid var(--line); background: var(--surface); border-radius: 24px; overflow: hidden; box-shadow: 0 18px 45px #28232c0a; }
.economy-content .calc-controls { display: flex; flex-direction: column; padding: 36px 44px; gap: 8px; }
.economy-content .calc-controls > label { font-size: 14px; font-weight: 650; }
.economy-content .calc-controls input[type=number], .economy-content .calc-controls select { width: 100%; min-height: 48px; padding: 10px 13px; border: 1px solid var(--control-border); border-radius: 8px; background: var(--surface); margin-bottom: 8px; color: var(--ink); }
.economy-content .calc-controls input[aria-invalid=true] { border-color: var(--error); }
.economy-content .check { display: flex; align-items: center; gap: 9px; margin-top: 6px; }
.economy-content .check input { width: 19px; height: 19px; accent-color: var(--accent-ink); }
.economy-content .calc-result { padding: 36px 44px; background: var(--result); border-left: 1px solid var(--line); }
.economy-content .result-title { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.economy-content .calc-result > div { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 7px 0; }
.economy-content .calc-result span { font-size: 14px; }
.economy-content .calc-result strong { font-size: 30px; color: var(--accent-ink); }
.economy-content #calc-note { font-size: 12px; color: var(--muted); margin-top: 16px; }
.economy-content .settlement-grid, .economy-content .identity-grid, .economy-content .platform-grid, .economy-content .coin-grid, .economy-content .invite-grid, .economy-content .split-grid, .economy-content .payout-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.economy-content .settlement-grid { max-width: 1020px; margin: auto; }
.economy-content .settlement-grid article, .economy-content .identity-grid article, .economy-content .platform-grid article, .economy-content .coin-grid article, .economy-content .invite-grid article, .economy-content .split-grid article, .economy-content .payout-grid article { padding: 32px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.economy-content .settlement-grid .eyebrow { font-size: 12px; display: block; margin-bottom: 12px; }
.economy-content .settlement-grid h3, .economy-content .identity-grid h3, .economy-content .platform-grid h3, .economy-content .coin-grid h3, .economy-content .invite-grid h3, .economy-content .split-grid h3, .economy-content .payout-grid h3 { margin-bottom: 16px; }
.economy-content .settlement-grid p, .economy-content .settlement-grid small, .economy-content .identity-grid p, .economy-content .platform-grid p, .economy-content .coin-grid p, .economy-content .invite-grid p, .economy-content .split-grid p, .economy-content .payout-grid p { font-size: 14px; color: var(--muted); }
.economy-content .example { display: flex; gap: 20px; flex-wrap: wrap; margin: 18px 0; }
.economy-content .example span { font-size: 14px; }
.economy-content .example b { font-size: 26px; color: var(--accent-ink); margin-left: 6px; }
.economy-content .center { text-align: center; }
.economy-content .number { font-size: 12px; font-weight: 750; letter-spacing: .8px; color: var(--accent-ink); display: block; margin-bottom: 14px; }
.economy-content .roles { display: flex; align-items: center; gap: 12px; margin: 24px 0; min-height: 48px; flex-wrap: wrap; }
.economy-content .roles > span { font-size: 14px; font-weight: 600; background: var(--soft); padding: 10px 12px; border-radius: 8px; }
.economy-content .roles > b { color: var(--accent-ink); }
.economy-content .roles small { font-weight: 400; color: var(--muted); margin: 0 3px; }
.economy-content .zero-balances { display: flex; gap: 24px; margin: 24px 0; min-height: 48px; align-items: center; flex-wrap: wrap; }
.economy-content .zero-balances span { font-size: 14px; }
.economy-content .zero-balances b { font-size: 30px; margin-left: 12px; color: var(--accent-ink); }
.economy-content .account-grid, .economy-content .role-grid, .economy-content .cycle-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 22px; }
.economy-content .account-grid article, .economy-content .role-grid article, .economy-content .cycle-grid article { padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.economy-content .account-grid article > span { font-size: 11px; letter-spacing: 1px; color: var(--accent-ink); }
.economy-content .account-grid h3, .economy-content .role-grid h3, .economy-content .cycle-grid h3 { font-size: 20px; margin: 10px 0 14px; }
.economy-content .account-grid p, .economy-content .role-grid p, .economy-content .cycle-grid p { font-size: 14px; color: var(--muted); }
.economy-content .role-grid .key-list, .economy-content .cycle-grid .key-list { margin-top: 18px; gap: 12px; }
.economy-content .role-grid .key-list li { padding-left: 12px; }
.economy-content .role-grid .key-list strong, .economy-content .role-grid .key-list span { font-size: 13px; }
.economy-content .info-note { padding: 22px 26px; margin-top: 28px; border-left: 3px solid var(--accent); background: var(--soft); border-radius: 0 12px 12px 0; font-size: 14px; color: var(--muted); }
.economy-content .info-note strong { color: var(--ink); }
.economy-content .invite-grid strong { color: var(--accent-ink); }
.economy-content .invite-grid .rate-pair { margin-top: 18px; }
.economy-content .flow-steps { list-style: none; counter-reset: flow; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; padding: 0; margin: 28px 0 0; }
.economy-content .copy .flow-steps { grid-template-columns: repeat(2,minmax(0,1fr)); }
.economy-content .section > .feature + .wrap { margin-top: 36px; }
.economy-content .flow-steps li { counter-increment: flow; border-top: 2px solid var(--accent-border); padding: 16px 0 0; font-size: 14px; }
.economy-content .flow-steps li::before { content: counter(flow, decimal-leading-zero); display: block; font-size: 12px; color: var(--accent-ink); font-weight: 700; margin-bottom: 7px; }
.economy-content .flow-steps strong { display: block; margin-bottom: 6px; }
.economy-content .flow-steps p { font-size: 13px; line-height: 1.8; color: var(--muted); }
.economy-content .journey-grid, .economy-content .principles-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 20px; }
.economy-content .journey-grid article, .economy-content .principles-grid article { padding: 26px 22px; border: 1px solid var(--line); background: var(--surface); border-radius: 20px; }
.economy-content .journey-grid h3, .economy-content .principles-grid h3 { font-size: 19px; margin-bottom: 12px; }
.economy-content .journey-grid p, .economy-content .principles-grid p { font-size: 14px; color: var(--muted); }
.economy-content .closing { display: flex; align-items: center; justify-content: space-between; gap: 28px; border-top: 1px solid var(--line); margin-top: 60px; padding-top: 40px; }
.economy-content .closing p { font-size: 15px; color: var(--muted); margin-top: 9px; }
.economy-content .closing + .related-grid, .economy-content .closing-section .related-grid { margin-top: 32px; }
.economy-content .closing-section .lead { max-width: 780px; color: var(--muted); }
.economy-content .footer { border-top: 1px solid var(--line); background: var(--surface); }
.economy-content .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 38px; padding-bottom: 28px; flex-wrap: wrap; }
.economy-content .footer-inner > div p { font-size: 12px; color: var(--muted); margin-top: 9px; }
.economy-content .footer nav { display: flex; gap: 24px; font-size: 13px; }
.economy-content .footer a:hover { color: var(--accent-ink); }
.economy-content .back-top { font-size: 13px; }
.economy-content .footer .policy-note { width: 100%; padding-top: 22px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
@media (max-width:1100px) {
    .economy-content .nav-wrap { gap: 20px; }
    .economy-content .page-nav { gap: 20px; font-size: 13px; }
    .economy-content .feature { gap: 54px; }
    .economy-content .hero .feature { gap: 44px; }
    .economy-content h1 { font-size: 42px; } .economy-content h2 { font-size: 35px; }
    .economy-content .brand small { display: none; }
    .economy-content .role-grid, .economy-content .cycle-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .economy-content .journey-grid, .economy-content .principles-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .economy-content .account-grid article { padding: 22px; }
}
@media (max-width:800px) {
    .economy-content .chapter-menu { display: none; }
    .economy-content .page-nav { gap: 16px; }
    .economy-content .header-return { display: none; }
    .economy-content .feature { gap: 32px; }
    .economy-content .section { padding-block: 80px; }
    .economy-content h1 { font-size: 37px; } .economy-content h2 { font-size: 31px; }
    .economy-content .hero-badge { padding: 18px; left: 12px; right: 12px; }
    .economy-content .hero-badge > strong { font-size: 35px; }
    .economy-content .calc-controls, .economy-content .calc-result { padding: 28px; }
}
@media (max-width:720px) {
    html { scroll-padding-top: 94px; }
    .economy-content .wrap, .economy-content .nav-wrap { padding-inline: 20px; }
    .economy-content .announcement { font-size: 10px; padding-block: 6px; }
    .economy-content .nav-wrap { min-height: 66px; gap: 14px; }
    .economy-content .brand { font-size: 24px; }
    .economy-content .brand small { display: block; font-size: 9px; }
    .economy-content .page-nav, .economy-content .chapter-menu, .economy-content .header-return { display: none; }
    .economy-content .mobile-menu { display: block; position: relative; font-size: 13px; }
    .economy-content .mobile-menu summary { cursor: pointer; padding: 11px 14px; border: 1px solid var(--line); border-radius: 999px; }
    .economy-content .mobile-menu nav { width: min(320px,calc(100vw - 40px)); top: calc(100% + 15px); max-height: calc(100vh - 120px); overflow-y: auto; }
    .economy-content .section { padding-block: 64px; }
    .economy-content .feature, .economy-content .hero .feature { grid-template-columns: 1fr; gap: 36px; }
    .economy-content .feature > .scene, .economy-content .feature > .hero-art { order: 2; }
    .economy-content .feature > .copy { order: 1; }
    .economy-content .hero { padding: 32px 0 48px; }
    .economy-content .hero .eyebrow { font-size: 11px; padding: 6px 12px; margin-bottom: 20px; }
    .economy-content h1 { font-size: clamp(28px,7.8vw,39px); line-height: 1.35; letter-spacing: -.65px; }
    .economy-content h2 { font-size: 28px; margin-bottom: 18px; line-height: 1.45; }
    .economy-content h3 { font-size: 21px; }
    .economy-content .eyebrow { font-size: 11px; margin-bottom: 14px; }
    .economy-content .hero h1 em, .economy-content .hero .accent-line { font-size: 20px; line-height: 1.5; margin-top: 16px; }
    .economy-content .hero .lead { font-size: 16px; margin-top: 22px; }
    .economy-content .copy > p:not(.eyebrow) { font-size: 15px; }
    .economy-content .actions { margin-top: 26px; gap: 10px; }
    .economy-content .button { min-height: 50px; padding: 12px 20px; font-size: 14px; }
    .economy-content .hero-art .scene img { aspect-ratio: 3/2; border-radius: 18px; }
    .economy-content .hero-art { padding-bottom: 44px; }
    .economy-content .hero-badge { padding: 17px 18px; }
    .economy-content .hero-badge > span, .economy-content .hero-badge p { font-size: 11px; }
    .economy-content .hero-badge > strong { font-size: 34px; }
    .economy-content .ecosystem-badge > strong, .economy-content .transaction-badge > strong { font-size: 28px; }
    .economy-content .hero-badge .example { gap: 12px; }
    .economy-content .hero-badge .example span { font-size: 12px; }
    .economy-content .hero-badge .example b { font-size: 24px; margin-left: 4px; }
    .economy-content .hero-badge .badge-metrics { gap: 10px; }
    .economy-content .hero-badge .badge-metrics strong { font-size: 27px; }
    .economy-content .overview { padding-top: 28px; padding-bottom: 28px; }
    .economy-content .quick-grid { grid-template-columns: repeat(2,minmax(0,1fr)); row-gap: 26px; }
    .economy-content .quick-grid > a:nth-child(2) { border: 0; }
    .economy-content .quick-grid strong { font-size: 31px; }
    .economy-content .quick-grid span { font-size: 12px; }
    .economy-content .guide-entry { padding-top: 38px; }
    .economy-content .related-grid, .economy-content .settlement-grid, .economy-content .identity-grid, .economy-content .platform-grid, .economy-content .coin-grid, .economy-content .invite-grid, .economy-content .split-grid, .economy-content .payout-grid, .economy-content .role-grid, .economy-content .cycle-grid { grid-template-columns: 1fr; gap: 18px; }
    .economy-content .related-grid > a { padding: 28px; }
    .economy-content .related-grid p { font-size: 14px; }
    .economy-content .exchange { padding: 18px 20px; }
    .economy-content .exchange strong { font-size: 24px; }
    .economy-content .key-list { gap: 16px; }
    .economy-content .key-list span { font-size: 14px; }
    .economy-content .share-title { align-items: flex-start; }
    .economy-content .share-title h3 { font-size: 17px; }
    .economy-content .share-line { gap: 15px; }
    .economy-content .share-line strong { font-size: 33px; }
    .economy-content .share-bar { min-width: 30px; }
    .economy-content .rate-pair strong { font-size: 32px; }
    .economy-content .steps { gap: 12px; }
    .economy-content .detail-panel { margin-top: 30px; }
    .economy-content .detail-panel summary { font-size: 14px; padding: 18px 20px; }
    .economy-content .detail-panel summary span { display: none; }
    .economy-content .section-title { margin-bottom: 30px; text-align: left; }
    .economy-content .section-title h2 { font-size: 28px; }
    .economy-content .section-title > p:last-child:not(.eyebrow) { font-size: 15px; }
    .economy-content .calculator { grid-template-columns: 1fr; }
    .economy-content .calc-controls, .economy-content .calc-result { padding: 26px; }
    .economy-content .calc-result { border-left: 0; border-top: 1px solid var(--line); }
    .economy-content .settlement-grid article, .economy-content .identity-grid article, .economy-content .platform-grid article, .economy-content .coin-grid article, .economy-content .invite-grid article, .economy-content .split-grid article, .economy-content .payout-grid article, .economy-content .role-grid article, .economy-content .cycle-grid article { padding: 26px; }
    .economy-content .account-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
    .economy-content .account-grid article { padding: 22px 18px; }
    .economy-content .account-grid h3 { font-size: 18px; }
    .economy-content .account-grid p { font-size: 13px; }
    .economy-content .info-note { font-size: 13px; padding: 20px; }
    .economy-content .flow-steps, .economy-content .copy .flow-steps { grid-template-columns: 1fr; gap: 16px; }
    .economy-content .flow-steps li { padding-top: 14px; }
    .economy-content .journey-grid, .economy-content .principles-grid { grid-template-columns: 1fr; gap: 16px; }
    .economy-content .journey-grid article, .economy-content .principles-grid article { padding: 24px; }
    .economy-content .closing { margin-top: 40px; padding-top: 32px; flex-direction: column; align-items: flex-start; gap: 24px; }
    .economy-content .closing h3 { font-size: 22px; }
    .economy-content .footer-inner { gap: 22px; padding-top: 30px; }
    .economy-content .footer nav { flex-wrap: wrap; gap: 12px 20px; width: 100%; }
    .economy-content .footer .policy-note { padding-top: 20px; }
}
@media (prefers-reduced-motion:reduce) {
    html { scroll-behavior: auto; }
    .economy-content .button, .economy-content .related-grid > a { transition: none; }
}
@media print {
    .economy-content .header { position: static; }
    .economy-content .header nav, .economy-content .announcement, .economy-content .actions, .economy-content .button, .economy-content .calculator-section, .economy-content .mobile-menu, .economy-content .chapter-menu { display: none; }
    .economy-content .section { padding-block: 28px; }
    .economy-content .scene img, .economy-content .hero-badge { box-shadow: none; }
    .economy-content .hero { padding-block: 30px; }
    .economy-content .feature { gap: 28px; }
    .economy-content article, .economy-content figure { break-inside: avoid; }
}

/* Theme control is available on desktop and mobile. */
.economy-content .theme-toggle { display:inline-flex;align-items:center;justify-content:center;flex:0 0 42px;width:42px;height:42px;padding:0;border:1px solid var(--control-border);border-radius:50%;background:var(--surface);color:var(--ink);cursor:pointer; }
.economy-content .theme-toggle:hover { background:var(--soft); }
.economy-content .theme-toggle:focus-visible { outline:3px solid var(--accent-ink);outline-offset:4px; }
.economy-content .theme-toggle svg { width:20px;height:20px; }
.economy-content .theme-toggle .theme-sun, html.dark .economy-content .theme-toggle .theme-moon { display:none; }
html.dark .economy-content .theme-toggle .theme-sun { display:block; }
@media print {
    html.dark .economy-content { --ink:#1d1d1f;--muted:#68616b;--accent:#c81e55;--accent-ink:#c81e55;--page:#fff;--surface:#fff;--glass:#fff;--soft:#fff5f8;--line:#eee2e8;--hero-glow:#fff;--green:#47755c;color-scheme:light; }
    .economy-content .theme-toggle { display:none; }
}

/* Main-site shell: reserve the shared desktop sidebar and mobile navigation. */
.economy-shell { min-width:0; }
.economy-shell .economy-content .header .brand,
.economy-shell .economy-content .header-return { display:none; }
.economy-shell .economy-content .page-nav { margin-left:0; }
.economy-shell .economy-content .nav-wrap { min-height:64px; }
.economy-shell .economy-content .page-nav a { padding-block:18px; }
@media (min-width:1024px) {
    .economy-shell { margin-left:256px; }
    .economy-shell .economy-content .theme-toggle { display:none; }
    .economy-shell .economy-content .feature { gap:40px; }
    .economy-shell .economy-content h1 { font-size:40px; }
    .economy-shell .economy-content h2 { font-size:34px; }
}
@media (max-width:1023px) { .economy-shell { padding-bottom:68px; } }
@media (max-width:720px) {
    .economy-shell .economy-content .header .brand { display:block; }
    .economy-shell .economy-content .nav-wrap { justify-content:space-between; }
}
@media print { .economy-shell { margin-left:0;padding-bottom:0; }.site-sidebar,.site-mobile-nav { display:none!important; } }