:root {
  --ink: #101114;
  --muted: #69707a;
  --soft: #f5f6f8;
  --line: rgba(16, 17, 20, 0.095);
  --line-soft: rgba(16, 17, 20, 0.06);
  --glass: rgba(255, 255, 255, 0.64);
  --card: rgba(255, 255, 255, 0.72);
  --surface: rgba(255, 255, 255, 0.58);
  --surface-strong: rgba(255, 255, 255, 0.86);
  --shadow: 0 34px 120px rgba(22, 24, 29, 0.095);
  --shadow-soft: 0 18px 60px rgba(22, 24, 29, 0.055);
  --shadow-hairline: inset 0 1px 0 rgba(255, 255, 255, 0.78);
  --radius-lg: 34px;
  --radius-md: 24px;
  --radius-sm: 18px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(115deg, rgba(244, 247, 251, 0.92) 0%, rgba(255, 255, 255, 0.96) 34%, rgba(239, 243, 249, 0.8) 100%),
    linear-gradient(180deg, #ffffff 0%, #f6f7fa 46%, #ffffff 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), transparent 22rem),
    linear-gradient(90deg, rgba(224, 231, 242, 0.32), transparent 42%, rgba(224, 231, 242, 0.28));
  content: "";
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

p code,
li code,
strong code {
  border: 1px solid rgba(17, 17, 19, 0.08);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.72);
  color: #252830;
  font-size: 0.92em;
  padding: 0.1em 0.38em;
  overflow-wrap: anywhere;
}

kbd {
  border: 1px solid rgba(17, 17, 19, 0.12);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 -1px 0 rgba(17, 17, 19, 0.08);
  color: #262a31;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.88em;
  padding: 0.08em 0.36em;
}

:focus-visible {
  outline: 2px solid rgba(16, 17, 20, 0.38);
  outline-offset: 4px;
}

.section-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-nav {
  position: fixed;
  z-index: 20;
  top: 16px;
  left: 50%;
  display: flex;
  width: min(900px, calc(100% - 28px));
  height: 54px;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.48)),
    rgba(255, 255, 255, 0.52);
  box-shadow: 0 16px 42px rgba(17, 19, 24, 0.065), var(--shadow-hairline);
  backdrop-filter: blur(30px) saturate(180%);
  transform: translateX(-50%);
}

.brand {
  font-size: 14px;
  font-weight: 720;
}

.site-nav nav {
  display: flex;
  gap: 4px;
}

.site-nav nav a {
  border-radius: 999px;
  padding: 8px 11px;
  color: #36383d;
  font-size: 13px;
  transition: background 220ms var(--ease), color 220ms var(--ease), transform 220ms var(--ease);
}

.site-nav nav a:hover {
  background: rgba(17, 17, 19, 0.07);
  color: #000;
  transform: translateY(-1px);
}

.hero {
  position: relative;
  display: grid;
  min-height: 96svh;
  place-items: center;
  text-align: center;
  padding: 136px 0 132px;
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 12%;
  left: 0;
  height: 38%;
  background: linear-gradient(180deg, transparent, rgba(226, 232, 241, 0.32), transparent);
  content: "";
  filter: blur(28px);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  text-align: center;
}

.hero-copy.in-view > * {
  animation: hero-rise 840ms var(--ease) both;
}

.hero-copy.in-view > :nth-child(2) {
  animation-delay: 80ms;
}

.hero-copy.in-view > :nth-child(3) {
  animation-delay: 150ms;
}

.hero-copy.in-view > :nth-child(4) {
  animation-delay: 210ms;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 720;
  padding: 0 23px;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.button:hover {
  transform: translateY(-1px) scale(1.01);
}

.button:active {
  transform: translateY(0) scale(0.99);
}

.button-primary {
  background: linear-gradient(180deg, #1d1e22, #090a0c);
  box-shadow: 0 18px 40px rgba(17, 17, 19, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.14);
  color: #fff;
}

.button-primary:hover {
  box-shadow: 0 22px 48px rgba(17, 17, 19, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.56);
  box-shadow: var(--shadow-hairline), 0 10px 28px rgba(17, 19, 24, 0.055);
  color: #15171b;
  backdrop-filter: blur(22px) saturate(160%);
}

.scroll-cue {
  position: absolute;
  z-index: 2;
  bottom: 32px;
  left: 50%;
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-hairline), 0 10px 30px rgba(17, 19, 24, 0.05);
  color: #5b6069;
  font-size: 13px;
  font-weight: 690;
  padding: 0 14px;
  transform: translateX(-50%);
  backdrop-filter: blur(20px) saturate(160%);
}

.eyebrow,
.section-kicker,
.platform {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 680;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 18px;
  font-size: clamp(48px, 7.2vw, 98px);
  font-weight: 680;
  line-height: 1.1;
  text-wrap: balance;
}

.hero h1 {
  margin-bottom: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 4vw, 54px);
  font-weight: 680;
  line-height: 1.12;
  text-wrap: balance;
}

h3 {
  margin-bottom: 10px;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 690;
  overflow-wrap: anywhere;
}

.lede {
  max-width: 680px;
  margin-bottom: 0;
  color: #444850;
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.55;
  text-wrap: balance;
}

.title-main,
.title-sub {
  display: block;
}

.title-main {
  letter-spacing: 0;
}

.title-sub {
  margin-top: 4px;
  font-size: 0.52em;
  font-weight: 620;
  letter-spacing: 0;
}

.hero-note {
  max-width: 680px;
  margin: 18px 0 0;
  color: #6a6f78;
  font-size: 14px;
  line-height: 1.65;
}

.notice {
  max-width: 720px;
  margin: 0 auto 26px;
  border-left: 2px solid rgba(17, 17, 19, 0.26);
  padding-left: 16px;
  color: #545861;
  font-size: 15px;
  line-height: 1.7;
}

.legal-note {
  display: grid;
  gap: 6px;
  margin: 22px 0 0;
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.52), rgba(247, 249, 252, 0.4)),
    rgba(255, 255, 255, 0.42);
  box-shadow: var(--shadow-hairline);
  color: #4f535b;
  font-size: 14px;
  line-height: 1.7;
  padding: 16px 20px;
  backdrop-filter: blur(18px) saturate(150%);
}

.legal-note span {
  display: block;
}

.faq-legal {
  margin: 22px 0 0;
}

.download-panel {
  scroll-margin-top: 96px;
  margin: -58px auto 0;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(247, 249, 252, 0.52)),
    rgba(255, 255, 255, 0.56);
  box-shadow: var(--shadow), var(--shadow-hairline);
  padding: clamp(24px, 4.4vw, 48px);
  backdrop-filter: blur(34px) saturate(180%);
}

.panel-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.panel-head h2 {
  font-size: clamp(30px, 3.2vw, 46px);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.download-card {
  display: grid;
  min-height: 192px;
  align-content: space-between;
  gap: 13px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(247, 249, 252, 0.48)),
    rgba(255, 255, 255, 0.5);
  padding: clamp(20px, 2.3vw, 26px);
  box-shadow: var(--shadow-hairline), 0 10px 34px rgba(18, 21, 27, 0.04);
  transition: background 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease), transform 220ms var(--ease);
}

.download-card:hover {
  border-color: rgba(255, 255, 255, 0.92);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(249, 250, 252, 0.72)),
    rgba(255, 255, 255, 0.82);
  box-shadow: 0 22px 58px rgba(18, 21, 27, 0.075), var(--shadow-hairline);
  transform: translateY(-1px);
}

.download-card:active {
  transform: translateY(0);
}

.download-card strong {
  display: block;
  font-size: clamp(24px, 2vw, 31px);
  font-weight: 690;
  line-height: 1.14;
}

.meta {
  display: block;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.file-name {
  display: block;
  color: #424750;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12.5px;
  overflow-wrap: anywhere;
}

.download-cta {
  display: inline-flex;
  width: fit-content;
  min-height: 36px;
  align-items: center;
  border-radius: 999px;
  background: linear-gradient(180deg, #202126, #0a0b0d);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 13.5px;
  font-weight: 720;
  padding: 0 18px;
}

.download-help {
  scroll-margin-top: 110px;
  display: grid;
  gap: 6px;
  margin-top: 18px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.42);
  box-shadow: var(--shadow-hairline);
  padding: 15px 18px;
}

.download-help span {
  color: #575c65;
  font-size: 13px;
  font-weight: 730;
}

.download-help p {
  max-width: 860px;
  margin-bottom: 0;
  color: #545963;
  font-size: 15px;
  line-height: 1.7;
}

.faq-preview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.36fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: stretch;
  padding: 86px 0 94px;
}

.faq-preview h2 {
  max-width: 680px;
  font-size: clamp(30px, 4vw, 52px);
}

.faq-preview p:last-child {
  max-width: 720px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.preview-card {
  display: grid;
  min-height: 194px;
  align-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.78), rgba(241, 244, 248, 0.58)),
    rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-soft), var(--shadow-hairline);
  padding: 26px;
  backdrop-filter: blur(26px) saturate(160%);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease), background 220ms var(--ease), border-color 220ms var(--ease);
}

.preview-card:hover {
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(255, 255, 255, 0.94);
  box-shadow: 0 20px 56px rgba(18, 21, 27, 0.08), var(--shadow-hairline);
  transform: translateY(-1px);
}

.preview-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 720;
}

.preview-card strong {
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.08;
}

.preview-card em {
  color: #4e535c;
  font-size: 14px;
  font-style: normal;
  line-height: 1.5;
}

.command-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.verify {
  margin-top: 82px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(247, 249, 252, 0.46)),
    rgba(255, 255, 255, 0.48);
  box-shadow: var(--shadow-soft), var(--shadow-hairline);
  padding: clamp(24px, 4vw, 44px);
  backdrop-filter: blur(26px) saturate(160%);
}

.verify-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 20px;
}

.text-link {
  flex: 0 0 auto;
  color: #1d1f24;
  font-size: 15px;
  font-weight: 690;
  transition: opacity 180ms var(--ease), transform 180ms var(--ease);
}

.text-link:hover {
  opacity: 0.72;
  transform: translateY(-1px);
}

.faq-page {
  background:
    linear-gradient(115deg, rgba(244, 247, 251, 0.94), rgba(255, 255, 255, 0.96) 42%, rgba(239, 243, 249, 0.84)),
    #fff;
}

.faq-hero {
  padding: 152px 0 50px;
}

.faq-hero h1 {
  max-width: 820px;
  font-size: clamp(44px, 6vw, 76px);
}

.faq-hero .lede {
  max-width: 720px;
  margin-bottom: 0;
}

.faq-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.faq-meta-card {
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(247, 249, 252, 0.42)),
    rgba(255, 255, 255, 0.46);
  box-shadow: var(--shadow-hairline), 0 10px 30px rgba(18, 21, 27, 0.035);
  padding: 19px;
  backdrop-filter: blur(18px) saturate(150%);
  transition: background 220ms var(--ease), border-color 220ms var(--ease), transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

.faq-meta-card:hover {
  border-color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-hairline), 0 14px 38px rgba(18, 21, 27, 0.05);
  transform: translateY(-1px);
}

.faq-meta-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 720;
}

.faq-meta-card strong {
  font-size: 18px;
  line-height: 1.35;
}

.faq-legal {
  max-width: 760px;
  margin: 20px 0 0;
  color: #6a6f78;
  font-size: 14px;
  line-height: 1.65;
}

.faq-toc {
  position: sticky;
  z-index: 10;
  top: 82px;
  padding: 14px 0;
}

.toc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  width: fit-content;
  max-width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-hairline), 0 10px 28px rgba(18, 21, 27, 0.045);
  padding: 6px;
  backdrop-filter: blur(24px) saturate(160%);
}

.toc-chips a {
  border-radius: 999px;
  padding: 8px 11px;
  color: #3c4048;
  font-size: 13px;
  font-weight: 690;
  white-space: nowrap;
  transition: background 220ms var(--ease), color 220ms var(--ease), transform 220ms var(--ease);
}

.toc-chips a:hover {
  background: rgba(17, 17, 19, 0.07);
  color: #000;
  transform: translateY(-1px);
}

.faq-content {
  display: grid;
  width: min(960px, calc(100% - 40px));
  gap: 0;
  padding: 34px 0 96px;
}

.faq-section {
  scroll-margin-top: 152px;
  border: 0;
  border-top: 1px solid rgba(16, 17, 20, 0.055);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: clamp(34px, 4vw, 54px) 0;
  backdrop-filter: none;
}

.faq-section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.faq-section-head h2 {
  max-width: 820px;
  font-size: clamp(28px, 3.2vw, 42px);
}

.faq-section-head p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.faq-item {
  border-top: 1px solid rgba(16, 17, 20, 0.065);
}

.faq-item summary {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #15171b;
  cursor: pointer;
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 700;
  line-height: 1.35;
  list-style: none;
  padding: 20px 0;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  display: inline-grid;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(16, 17, 20, 0.09);
  border-radius: 50%;
  color: #23262c;
  font-size: 22px;
  font-weight: 430;
  transition: transform 220ms var(--ease), background 220ms var(--ease), color 220ms var(--ease);
}

.faq-item summary:hover::after {
  background: rgba(17, 17, 19, 0.06);
  transform: rotate(8deg);
}

.faq-item[open] summary::after {
  background: #111113;
  color: #fff;
  transform: rotate(45deg);
}

.faq-body {
  padding: 0 0 28px;
  color: #4a4f58;
  font-size: 16px;
  line-height: 1.72;
}

.faq-body p {
  max-width: 860px;
  margin-bottom: 14px;
}

.faq-body ol,
.faq-body ul {
  display: grid;
  gap: 8px;
  max-width: 880px;
  margin: 0 0 18px;
  padding-left: 1.2em;
}

.faq-body li {
  padding-left: 0.2em;
}

.faq-note,
.risk-note {
  max-width: 880px;
  border-left: 2px solid rgba(17, 17, 19, 0.24);
  margin: 18px 0;
  padding: 2px 0 2px 16px;
  color: #555a63;
}

.risk-note {
  border-left-color: rgba(17, 17, 19, 0.44);
  color: #2e3239;
  font-weight: 680;
}

.action-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.pill-link {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow-hairline);
  color: #17191e;
  font-size: 14px;
  font-weight: 710;
  padding: 0 14px;
  backdrop-filter: blur(18px);
  transition: background 220ms var(--ease), transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

.pill-link:hover {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-hairline), 0 10px 24px rgba(18, 21, 27, 0.05);
  transform: translateY(-1px);
}

.figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0;
}

.figure-grid.single {
  grid-template-columns: minmax(0, 1fr);
}

.faq-figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-hairline), 0 14px 42px rgba(18, 21, 27, 0.055);
}

.faq-figure img {
  display: block;
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  background: #f7f8fa;
}

.faq-figure figcaption {
  border-top: 1px solid rgba(17, 17, 19, 0.055);
  color: #626771;
  font-size: 13px;
  line-height: 1.55;
  padding: 11px 13px;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.support-card {
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.52);
  box-shadow: var(--shadow-hairline);
  padding: 18px;
}

.support-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 720;
}

.support-card strong,
.support-card a {
  display: block;
  color: #181b20;
  font-size: 17px;
  font-weight: 720;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.hash-list {
  display: grid;
  gap: 10px;
}

.verify-intro {
  max-width: 800px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.verify-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}

.command-card {
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.52);
  box-shadow: var(--shadow-hairline);
  padding: 16px 18px;
}

.command-card code {
  display: block;
  color: #1f2228;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.hash-row {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(148px, 0.32fr) minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-hairline);
  padding: 16px 18px;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 220ms var(--ease), transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

.hash-row:hover {
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-hairline), 0 10px 28px rgba(18, 21, 27, 0.045);
  transform: translateY(-1px);
}

.hash-row span {
  font-size: 15px;
  font-weight: 720;
  overflow-wrap: anywhere;
}

.hash-row code {
  color: #4f535b;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.hash-row.copied {
  background: #111113;
  color: #fff;
}

.hash-row.copied code {
  color: rgba(255, 255, 255, 0.72);
}

.verify-note {
  margin: 18px 0 0;
  color: #3c4048;
  font-size: 14px;
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 54px 0 46px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer a {
  color: #1d1f24;
  font-weight: 700;
}

.site-footer a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(18px) scale(0.992);
  transition: opacity 720ms ease, transform 720ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@media (max-width: 860px) {
  .faq-preview {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 92svh;
    padding: 110px 0 104px;
  }

  .download-grid {
    grid-template-columns: 1fr;
  }

  .verify-steps {
    grid-template-columns: 1fr;
  }

  .faq-meta-grid,
  .support-grid,
  .figure-grid {
    grid-template-columns: 1fr;
  }

  .faq-toc {
    position: static;
  }

  .toc-chips {
    display: flex;
    flex-wrap: nowrap;
    width: 100%;
    overflow-x: auto;
    border-radius: 999px;
    scrollbar-width: none;
  }

  .toc-chips::-webkit-scrollbar {
    display: none;
  }

  .verify-head,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .section-shell {
    width: min(100% - 28px, 1120px);
  }

  .site-nav {
    top: 10px;
    height: 50px;
    padding: 0 14px;
  }

  .nav-optional {
    display: none;
  }

  .site-nav nav a {
    padding: 8px 9px;
  }

  h1 {
    font-size: clamp(46px, 15vw, 64px);
  }

  .title-sub {
    font-size: 0.44em;
    line-height: 1.16;
  }

  .lede {
    font-size: 18px;
  }

  .hero-note {
    max-width: 320px;
  }

  .button {
    min-height: 44px;
    padding: 0 18px;
  }

  .download-panel {
    margin-top: -38px;
    border-radius: 24px;
  }

  .panel-head {
    align-items: flex-start;
  }

  .panel-head h2,
  .verify-head h2 {
    font-size: 30px;
  }

  .download-card {
    min-height: 166px;
    border-radius: 20px;
  }

  .hash-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .faq-hero {
    padding-top: 112px;
  }

  .faq-hero h1 {
    font-size: clamp(40px, 12vw, 52px);
  }

  .faq-meta-card {
    border-radius: 18px;
  }

  .faq-item summary {
    min-height: 64px;
  }

  .faq-content {
    width: min(100% - 28px, 960px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}