:root {
  --ink: #171714;
  --ink-soft: #292923;
  --paper: #eeeae1;
  --sheet: #f9f7f1;
  --muted: #716e66;
  --quiet: #9a958b;
  --line: #aaa59b;
  --line-soft: #d8d3c8;
  --yellow: #ffcf3f;
  --red: #ee4d2d;
  --shadow: 8px 8px 0 #d6d1c6;
  --page: min(1240px, calc(100% - 48px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, summary { font: inherit; }
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 10px 14px; color: #fff; background: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 20; top: 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 78px; padding: 0 max(24px, calc((100vw - 1240px) / 2)); border-bottom: 2px solid var(--ink); background: rgba(238,234,225,.94); backdrop-filter: blur(12px); }
.brand, .footer-brand { display: flex; align-items: center; gap: 13px; width: max-content; }
.brand-mark { display: grid; width: 42px; height: 42px; place-items: center; color: var(--ink); background: var(--yellow); font: 900 14px/1 Arial, sans-serif; letter-spacing: -.04em; }
.brand-copy, .footer-brand > div { display: flex; flex-direction: column; }
.brand-copy strong, .footer-brand strong { font: 800 14px/1.1 Arial, sans-serif; letter-spacing: .08em; }
.brand-copy small, .footer-brand small { margin-top: 5px; color: var(--muted); font: 9px/1 Arial, sans-serif; letter-spacing: .13em; }
nav { display: flex; gap: 34px; color: #4e4b45; font-size: 13px; font-weight: 650; }
nav a, .footer-links a { text-underline-offset: 5px; }
nav a:hover, .footer-links a:hover { text-decoration: underline; }
.release-menu { position: relative; justify-self: end; }
.header-link { padding: 10px 0; color: var(--ink); background: transparent; border: 0; cursor: pointer; font-size: 13px; font-weight: 700; }
.header-link span { display: inline-block; margin-left: 6px; color: var(--red); transition: transform .18s ease; }
.header-link[aria-expanded="true"] span { transform: rotate(45deg); }
.release-popover { position: absolute; z-index: 30; top: 48px; right: 0; width: 310px; padding: 24px; background: var(--sheet); border: 1px solid var(--ink); box-shadow: 7px 7px 0 var(--yellow); }
.release-popover small { color: var(--muted); font: 9px/1 ui-monospace, monospace; letter-spacing: .1em; }
.release-popover strong { display: flex; align-items: center; margin-top: 16px; font-size: 16px; }
.release-popover strong i { width: 9px; height: 9px; margin-right: 9px; background: var(--yellow); border-radius: 50%; }
.release-popover p { margin: 12px 0 18px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.release-popover a { color: var(--red); font-size: 12px; font-weight: 750; }

.hero { position: relative; display: grid; grid-template-columns: 74px minmax(0,.92fr) minmax(440px,1.08fr); min-height: 720px; width: var(--page); margin: 28px auto 0; overflow: hidden; color: var(--sheet); background: var(--ink); box-shadow: 10px 10px 0 var(--red); }
.hero-rail { display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 32px 0 115px; border-right: 1px solid rgba(255,255,255,.17); color: var(--red); font: 700 11px/1 ui-monospace, monospace; letter-spacing: .12em; }
.hero-rail span:last-child { color: rgba(255,255,255,.42); writing-mode: vertical-rl; }
.hero-copy { align-self: center; padding: 42px 34px 115px 52px; }
.hero-kicker { display: flex; align-items: center; gap: 11px; margin: 0 0 31px; color: rgba(255,255,255,.58); font-size: 12px; letter-spacing: .14em; }
.hero-kicker span { width: 28px; height: 3px; background: var(--red); }
.hero h1 { margin: 0; font-size: clamp(58px,6vw,94px); font-weight: 760; line-height: 1.04; letter-spacing: -.07em; }
.hero h1 em, .result-cover h2 em { color: var(--yellow); font-style: normal; }
.hero-rule { width: 62px; height: 6px; margin: 30px 0 22px; background: var(--red); }
.hero-lead { max-width: 460px; margin: 0; color: rgba(255,255,255,.6); font-size: 17px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 52px; padding: 0 20px; font-size: 14px; font-weight: 750; }
.button-primary { min-width: 210px; color: #fff; background: var(--red); box-shadow: 5px 5px 0 var(--yellow); transition: transform .18s ease, box-shadow .18s ease; }
.button-primary:hover { transform: translate(3px,3px); box-shadow: 2px 2px 0 var(--yellow); }
.text-link { color: rgba(255,255,255,.72); border-bottom: 1px solid rgba(255,255,255,.34); font-size: 13px; }
.hero-art { position: relative; min-height: 590px; }
.slide-stack { position: absolute; top: 130px; right: 54px; width: 440px; height: 300px; }
.slide-paper { position: absolute; width: 410px; height: 252px; border: 1px solid rgba(249,247,241,.7); }
.slide-back { top: -40px; left: -48px; opacity: .25; }
.slide-middle { top: -20px; left: -24px; opacity: .55; }
.slide-paper > span:first-child { position: absolute; top: 14px; right: 17px; font: 10px/1 ui-monospace, monospace; }
.slide-front { color: var(--ink); background: var(--sheet); border-color: var(--sheet); box-shadow: 12px 12px 0 rgba(238,77,45,.9); }
.slide-front strong { position: absolute; right: 22px; bottom: 24px; color: var(--red); font: 900 78px/.8 Arial, sans-serif; letter-spacing: -.08em; }
.slide-front small { position: absolute; right: 24px; bottom: 92px; color: var(--muted); font: 9px/1 ui-monospace, monospace; letter-spacing: .12em; }
.slide-line { position: absolute; bottom: 35px; left: 22px; width: 72px; height: 3px; background: var(--ink); }
.crop { position: absolute; width: 17px; height: 17px; border-color: var(--ink); }
.crop-tl { top: 13px; left: 13px; border-top: 2px solid; border-left: 2px solid; }
.crop-tr { top: 13px; right: 13px; border-top: 2px solid; border-right: 2px solid; }
.crop-bl { bottom: 13px; left: 13px; border-bottom: 2px solid; border-left: 2px solid; }
.crop-br { right: 13px; bottom: 13px; border-right: 2px solid; border-bottom: 2px solid; }
.proof-stamp { position: absolute; z-index: 3; right: 44px; top: 390px; display: flex; width: 118px; height: 118px; flex-direction: column; align-items: center; justify-content: center; color: var(--ink); background: var(--yellow); border: 5px double var(--ink); transform: rotate(7deg); }
.proof-stamp small, .proof-stamp span { font: 8px/1.2 ui-monospace, monospace; letter-spacing: .12em; }
.proof-stamp strong { margin: 5px 0; font-size: 30px; }
.hero-steps { position: absolute; right: 32px; bottom: 0; left: 106px; display: flex; justify-content: space-between; padding: 21px 0; border-top: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.34); font: 11px/1 ui-monospace, monospace; }
.hero-steps .is-current { color: var(--yellow); }

.signal-strip { display: grid; grid-template-columns: repeat(4,1fr); width: var(--page); margin: 70px auto 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-strip p { margin: 0; padding: 24px 22px; border-right: 1px solid var(--line); color: #514e48; font-size: 12px; }
.signal-strip p:last-child { border-right: 0; }
.signal-strip span { margin-right: 12px; color: var(--red); font: 700 11px/1 ui-monospace, monospace; }

.section { width: var(--page); margin: 0 auto; padding: 108px 0; }
.proof-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: start; }
.section-intro { max-width: 530px; }
.section-no { margin: 0 0 26px; color: var(--red); font: 700 11px/1 ui-monospace, monospace; letter-spacing: .12em; }
.section-intro h2 { margin: 0; font-size: clamp(36px,4vw,54px); line-height: 1.14; letter-spacing: -.045em; }
.security-title h2, .release-section h2 { margin: 0; font-size: clamp(38px,4.4vw,58px); line-height: 1.12; letter-spacing: -.045em; }
.section-intro > p:last-child { max-width: 480px; margin: 26px 0 0; color: var(--muted); font-size: 16px; line-height: 1.9; }
.proof-document { border: 1px solid var(--line); background: var(--sheet); box-shadow: var(--shadow); }
.document-head { display: flex; align-items: flex-start; justify-content: space-between; padding: 26px 28px; border-bottom: 2px solid var(--ink); }
.document-head div { display: flex; flex-direction: column; }
.document-head small { color: var(--muted); font: 10px/1 ui-monospace, monospace; letter-spacing: .1em; }
.document-head strong { margin-top: 8px; font-size: 20px; }
.demo-label { padding: 7px 9px; color: var(--ink) !important; background: var(--yellow); font: 800 10px/1 ui-monospace, monospace !important; }
.document-status { display: flex; align-items: center; margin: 22px 28px 8px; padding: 12px 14px; color: var(--sheet); background: var(--ink); font-size: 12px; }
.document-status i { width: 9px; height: 9px; margin-right: 10px; background: var(--yellow); border-radius: 50%; }
.document-status small { margin-left: auto; color: rgba(255,255,255,.45); font-size: 9px; }
.change-list { margin: 0; padding: 0 28px 20px; list-style: none; }
.change-list li { border-bottom: 1px solid var(--line-soft); }
.change-toggle { display: grid; grid-template-columns: 42px 1fr 46px; gap: 12px; align-items: center; width: 100%; min-height: 72px; padding: 0; color: var(--ink); background: transparent; border: 0; cursor: pointer; text-align: left; transition: opacity .18s ease, background .18s ease; }
.change-toggle:hover { background: #fff3cf; }
.change-toggle > span { color: var(--quiet); font: 11px/1 ui-monospace, monospace; }
.change-toggle div { display: flex; flex-direction: column; gap: 6px; }
.change-list strong { font-size: 14px; }
.change-list small { color: var(--muted); font-size: 11px; }
.change-list b { color: var(--red); font: 800 19px/1 Arial, sans-serif; text-align: right; }
.change-toggle.is-off { opacity: .38; }
.change-toggle.is-off strong { text-decoration: line-through; text-decoration-thickness: 1px; }
.change-toggle.is-off b { color: var(--quiet); }
.document-foot { display: flex; justify-content: space-between; padding: 18px 28px; color: var(--muted); background: var(--paper); border-top: 1px solid var(--line); font-size: 11px; }
.proof-confirm { color: #fff; margin: -18px -28px -18px 0; padding: 0 24px; background: var(--red); border: 0; cursor: pointer; font-size: 11px; font-weight: 700; }
.proof-confirm:disabled { cursor: not-allowed; opacity: .45; }
.proof-confirm.is-done { color: var(--ink); background: var(--yellow); }

.feature-section { border-top: 2px solid var(--ink); }
.section-intro-wide { max-width: none; }
.feature-ledger { margin-top: 72px; border-top: 2px solid var(--ink); }
.feature-item { border-bottom: 1px solid var(--line); }
.feature-toggle { display: grid; grid-template-columns: 110px 1fr 48px; gap: 30px; align-items: start; width: 100%; padding: 30px 4px; color: var(--ink); background: transparent; border: 0; cursor: pointer; text-align: left; }
.feature-toggle:hover h3 { color: var(--red); }
.ledger-no { padding-top: 6px; color: var(--red); font: 700 11px/1 ui-monospace, monospace; }
.feature-ledger h3 { margin: 0 0 10px; font-size: 24px; letter-spacing: -.025em; transition: color .18s ease; }
.feature-ledger p { max-width: 660px; margin: 0; color: var(--muted); line-height: 1.8; }
.feature-plus { justify-self: end; color: var(--red); font-size: 25px; font-weight: 350; transition: transform .18s ease; }
.feature-toggle[aria-expanded="true"] .feature-plus { transform: rotate(45deg); }
.feature-detail { display: grid; grid-template-columns: 110px 1fr; gap: 30px; margin: -6px 0 0; padding: 0 52px 28px 4px; }
.feature-detail::before { content: "DETAIL"; color: var(--quiet); font: 9px/1 ui-monospace, monospace; letter-spacing: .1em; }
.feature-detail span { color: var(--ink); font-size: 12px; font-weight: 700; }
.feature-detail p { grid-column: 2; margin-top: 9px; font-size: 13px; }

.result-panel { display: grid; grid-template-columns: 1.05fr .95fr; width: var(--page); margin: 0 auto; border: 1px solid var(--ink); background: var(--sheet); box-shadow: 10px 10px 0 var(--yellow); }
.result-cover { position: relative; min-height: 530px; padding: 52px 56px; overflow: hidden; color: var(--sheet); background: var(--ink); }
.result-cover::before { position: absolute; top: 0; bottom: 0; left: 38px; width: 1px; content: ""; background: rgba(255,255,255,.17); }
.result-cover > p { margin: 0 0 72px; color: var(--red); font: 700 11px/1 ui-monospace, monospace; letter-spacing: .12em; }
.result-cover h2 { margin: 0; font-size: clamp(54px,6vw,82px); line-height: 1.06; letter-spacing: -.065em; }
.result-cover > span { display: block; margin-top: 30px; color: rgba(255,255,255,.55); font-size: 14px; }
.result-stamp { position: absolute; right: 38px; bottom: 38px; display: flex; width: 116px; height: 116px; flex-direction: column; align-items: center; justify-content: center; color: var(--ink); background: var(--yellow); border: 5px double var(--ink); transform: rotate(6deg); }
.result-stamp small { font: 8px/1 ui-monospace, monospace; letter-spacing: .1em; }
.result-stamp strong { margin-top: 6px; font-size: 30px; }
.result-report { display: grid; grid-template-rows: auto 1fr auto auto; min-width: 0; }
.result-report > header { display: flex; justify-content: space-between; padding: 25px 30px; border-bottom: 2px solid var(--ink); }
.result-report > header span { color: var(--quiet); font: 10px/1 ui-monospace, monospace; }
.result-main { display: flex; align-items: flex-end; gap: 20px; padding: 54px 38px 32px; }
.result-main strong { color: var(--red); font: 900 104px/.78 Arial, sans-serif; letter-spacing: -.07em; }
.result-main span { color: var(--muted); font-size: 13px; line-height: 1.5; }
.result-minor { display: grid; grid-template-columns: repeat(3,1fr); margin: 0 30px 32px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.result-minor span { display: flex; min-height: 82px; flex-direction: column; justify-content: center; color: var(--muted); border-right: 1px solid var(--line); font-size: 10px; text-align: center; }
.result-minor span:last-child { border-right: 0; }
.result-minor b { margin-bottom: 5px; color: var(--ink); font: 800 24px/1 Arial, sans-serif; }
.result-caption { display: flex; align-items: center; justify-content: space-between; padding: 19px 30px; color: var(--muted); background: var(--paper); border-top: 1px solid var(--line); }
.result-caption strong { color: var(--ink); font-size: 12px; }
.result-caption span { font-size: 10px; }

.process-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; border-bottom: 1px solid var(--line); }
.process-list { margin: 0; padding: 0; border-top: 2px solid var(--ink); list-style: none; }
.process-list li { display: grid; grid-template-columns: 52px 1fr auto; gap: 22px; align-items: start; padding: 28px 0; border-bottom: 1px solid var(--line); }
.process-list > li > span { color: var(--red); font: 700 11px/1 ui-monospace, monospace; }
.process-list h3 { margin: -4px 0 9px; font-size: 20px; }
.process-list p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.process-list b { color: var(--quiet); font: 10px/1 ui-monospace, monospace; letter-spacing: .1em; }

.security-section { width: var(--page); margin: 0 auto 140px; padding: 66px 60px 44px; color: var(--sheet); background: var(--ink); border-bottom: 8px solid var(--yellow); }
.security-title > span { color: var(--yellow); font: 700 11px/1 ui-monospace, monospace; letter-spacing: .12em; }
.security-title h2 { max-width: 790px; margin-top: 24px; }
.security-grid { display: grid; grid-template-columns: repeat(3,1fr); margin: 58px 0 34px; border-top: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
.security-grid article { min-height: 190px; padding: 30px 28px; border-right: 1px solid rgba(255,255,255,.22); }
.security-grid article:last-child { border-right: 0; }
.security-grid strong { color: var(--yellow); font: 850 34px/1 Arial, sans-serif; }
.security-grid strong small { font-size: 15px; }
.security-grid p { margin: 42px 0 0; color: rgba(255,255,255,.58); font-size: 13px; line-height: 1.8; }
.security-section > a { display: inline-block; color: rgba(255,255,255,.76); border-bottom: 1px solid rgba(255,255,255,.36); font-size: 12px; }

.faq-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; border-top: 2px solid var(--ink); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; display: grid; grid-template-columns: 50px 1fr auto; align-items: center; padding: 25px 0; cursor: pointer; font-size: 16px; font-weight: 750; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--red); font: 700 10px/1 ui-monospace, monospace; }
.faq-list summary i { font-style: normal; font-size: 22px; font-weight: 400; transition: transform .2s ease; }
.faq-list details[open] summary i { transform: rotate(45deg); }
.faq-list details p { max-width: 720px; margin: 0; padding: 0 46px 26px 50px; color: var(--muted); font-size: 14px; line-height: 1.85; }

.release-section { width: var(--page); margin: 0 auto 90px; padding: 64px 64px 38px; color: var(--sheet); background: var(--red); box-shadow: 10px 10px 0 var(--ink); }
.release-section > p { margin: 0 0 28px; color: rgba(255,255,255,.65); font: 700 11px/1 ui-monospace, monospace; letter-spacing: .12em; }
.release-section h2 { max-width: 940px; }
.release-meta { display: flex; justify-content: space-between; margin-top: 64px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.36); color: rgba(255,255,255,.75); font: 10px/1 ui-monospace, monospace; }
.release-meta i { display: inline-block; width: 8px; height: 8px; margin-right: 9px; background: var(--yellow); border-radius: 50%; }

.document-page { width: min(900px,calc(100% - 48px)); margin: 0 auto; padding: 80px 0 110px; }
.document-heading { padding: 36px 0 44px; }
.document-heading .eyebrow { color: var(--red); font: 700 11px/1 ui-monospace, monospace; letter-spacing: .12em; }
.document-heading h1 { margin: 18px 0 0; font-size: clamp(42px,6vw,68px); line-height: 1.1; letter-spacing: -.055em; }
.document-heading > p:last-child { margin: 18px 0 0; color: var(--muted); }
.document-card { padding: clamp(28px,5vw,64px); border: 1px solid var(--line); border-top: 5px solid var(--red); background: var(--sheet); box-shadow: var(--shadow); }
.document-card h2 { margin: 42px 0 12px; font-size: 23px; }
.document-card p { margin: 12px 0; color: #555149; line-height: 1.95; }
footer { display: grid; grid-template-columns: 1fr auto auto; gap: 40px; align-items: center; min-height: 130px; padding: 26px max(24px,calc((100vw - 1240px) / 2)); color: var(--muted); border-top: 2px solid var(--ink); font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; }
footer p { margin: 0; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { grid-template-columns: 58px 1fr; min-height: 900px; }
  .hero-copy { padding-bottom: 420px; }
  .hero-art { position: absolute; right: 0; bottom: 70px; left: 58px; min-height: 360px; }
  .slide-stack { top: 40px; right: 7%; }
  .proof-stamp { top: 250px; right: 8%; }
  .hero-steps { left: 82px; }
  .signal-strip { grid-template-columns: repeat(2,1fr); }
  .signal-strip p:nth-child(2) { border-right: 0; }
  .signal-strip p:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .proof-section, .process-section, .faq-section { grid-template-columns: 1fr; gap: 56px; }
  .result-panel { grid-template-columns: 1fr; }
  .result-cover { min-height: 470px; }
  .security-section { padding: 56px 40px 38px; }
  footer { grid-template-columns: 1fr; gap: 22px; }
}

@media (max-width: 640px) {
  :root { --page: calc(100% - 28px); --shadow: 5px 5px 0 #d6d1c6; }
  .site-header { min-height: 66px; padding: 0 14px; }
  .brand-mark { width: 36px; height: 36px; font-size: 12px; }
  .brand-copy small { display: none; }
  .header-link { font-size: 11px; }
  .release-popover { position: fixed; top: 72px; right: 14px; left: 14px; width: auto; }
  .hero { grid-template-columns: 38px 1fr; min-height: 760px; margin-top: 14px; box-shadow: 6px 6px 0 var(--red); }
  .hero-rail { padding-top: 20px; padding-bottom: 90px; }
  .hero-copy { padding: 44px 22px 355px 25px; }
  .hero-kicker { margin-bottom: 22px; font-size: 10px; }
  .hero h1 { font-size: clamp(48px,15vw,66px); }
  .hero-lead { font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; margin-top: 29px; }
  .button-primary { width: 100%; min-width: 0; }
  .hero-art { left: 38px; bottom: 67px; min-height: 285px; }
  .slide-stack { top: 34px; right: 18px; width: 290px; height: 190px; }
  .slide-paper { width: 280px; height: 172px; }
  .slide-back { top: -22px; left: -28px; }
  .slide-middle { top: -11px; left: -14px; }
  .slide-front strong { right: 15px; bottom: 18px; font-size: 52px; }
  .slide-front small { right: 16px; bottom: 62px; font-size: 7px; }
  .slide-line { bottom: 25px; left: 16px; width: 46px; }
  .proof-stamp { top: 185px; right: 16px; width: 82px; height: 82px; border-width: 4px; }
  .proof-stamp strong { font-size: 21px; }
  .hero-steps { left: 54px; right: 16px; padding: 18px 0; font-size: 8px; }
  .signal-strip { margin-top: 42px; }
  .signal-strip p { min-height: 72px; padding: 18px 13px; font-size: 10px; line-height: 1.55; }
  .signal-strip span { display: block; margin: 0 0 7px; }
  .section { padding: 76px 0; }
  .section-intro h2 { font-size: 34px; }
  .security-title h2, .release-section h2 { font-size: 36px; }
  .section-intro > p:last-child { font-size: 14px; }
  .proof-section { gap: 42px; }
  .document-head { padding: 20px 18px; }
  .demo-label { font-size: 8px !important; }
  .document-status { margin: 18px 18px 6px; }
  .document-status small { display: none; }
  .change-list { padding: 0 18px 16px; }
  .change-toggle { grid-template-columns: 28px 1fr 28px; gap: 8px; }
  .change-list small { display: none; }
  .document-foot { padding: 17px 18px; }
  .document-foot > span:first-child { display: none; }
  .proof-confirm { width: 100%; margin: 0; padding: 0; color: var(--red); background: transparent; text-align: right; }
  .feature-ledger { margin-top: 48px; }
  .feature-toggle { grid-template-columns: 54px 1fr 28px; gap: 14px; padding: 25px 0; }
  .feature-ledger h3 { font-size: 21px; }
  .feature-ledger p { font-size: 13px; }
  .feature-detail { grid-template-columns: 54px 1fr; gap: 14px; padding: 0 0 24px; }
  .feature-detail p { grid-column: 2; }
  .result-panel { width: 100%; border-right: 0; border-left: 0; box-shadow: 0 7px 0 var(--yellow); }
  .result-cover { min-height: 410px; padding: 40px 30px; }
  .result-cover h2 { font-size: 50px; }
  .result-stamp { right: 24px; bottom: 24px; width: 92px; height: 92px; }
  .result-main { padding: 45px 26px 28px; }
  .result-main strong { font-size: 82px; }
  .result-minor { margin: 0 20px 24px; }
  .result-caption { align-items: flex-start; flex-direction: column; gap: 6px; padding: 17px 20px; }
  .process-section { gap: 44px; }
  .process-list li { grid-template-columns: 34px 1fr; gap: 12px; }
  .process-list b { display: none; }
  .security-section { width: 100%; margin-bottom: 92px; padding: 48px 24px 35px; }
  .security-grid { grid-template-columns: 1fr; }
  .security-grid article { min-height: auto; padding: 25px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.22); }
  .security-grid article:last-child { border-bottom: 0; }
  .security-grid p { margin-top: 20px; }
  .faq-section { gap: 42px; }
  .faq-list summary { grid-template-columns: 38px 1fr auto; font-size: 14px; }
  .faq-list details p { padding-left: 38px; }
  .release-section { width: 100%; margin-bottom: 70px; padding: 56px 24px 32px; box-shadow: 0 7px 0 var(--ink); }
  .release-meta { align-items: flex-start; flex-direction: column; gap: 18px; }
  .document-page { width: calc(100% - 28px); padding-top: 46px; }
  .document-card { padding: 28px 22px; }
  footer { padding: 28px 18px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }