:root {
  color-scheme: light;
  --paper: #f5f1e8;
  --paper-2: #e8e1d3;
  --ink: #151817;
  --muted: #59615d;
  --line: #d5ccbd;
  --line-dark: rgba(255, 255, 255, 0.15);
  --panel: #ffffff;
  --panel-soft: #f8f5ee;
  --tag-bg: #eee8dc;
  --tag-ink: #4f5753;
  --border: rgba(21, 24, 23, 0.12);
  --header-bg: rgba(245, 241, 232, 0.94);
  --header-border: rgba(21, 24, 23, 0.12);
  --header-hover: rgba(21, 24, 23, 0.07);
  --nav-action-bg: #0f1312;
  --nav-action-fg: #f8f3ea;
  --control-bg: rgba(21, 24, 23, 0.05);
  --control-hover: rgba(21, 24, 23, 0.1);
  --control-active-bg: #0f1312;
  --control-active-fg: #f8f3ea;
  --icon-bg: #101312;
  --icon-fg: #f8f3ea;
  --focus-ring: #0d7078;
  --dark: #0f1312;
  --dark-2: #171c1a;
  --teal: #20b9c4;
  --green: #4fbf72;
  --amber: #d99a27;
  --rust: #c75737;
  --blue: #3d76d3;
  --shadow: 0 18px 48px rgba(20, 24, 22, 0.12);
  --radius: 8px;
  --max: 1180px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #101412;
  --paper-2: #171c19;
  --ink: #f4f0e8;
  --muted: #aeb7b2;
  --line: #343b37;
  --panel: #1c221f;
  --panel-soft: #151a18;
  --tag-bg: #28302c;
  --tag-ink: #d7ded9;
  --border: rgba(248, 243, 234, 0.14);
  --header-bg: rgba(15, 19, 18, 0.94);
  --header-border: rgba(248, 243, 234, 0.13);
  --header-hover: rgba(255, 255, 255, 0.09);
  --nav-action-bg: #f4f0e8;
  --nav-action-fg: #151817;
  --control-bg: rgba(255, 255, 255, 0.07);
  --control-hover: rgba(255, 255, 255, 0.12);
  --control-active-bg: #f4f0e8;
  --control-active-fg: #151817;
  --icon-bg: #f3eee5;
  --icon-fg: #151817;
  --focus-ring: #6be1e6;
  --rust: #ef8b70;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --paper: #101412;
    --paper-2: #171c19;
    --ink: #f4f0e8;
    --muted: #aeb7b2;
    --line: #343b37;
    --panel: #1c221f;
    --panel-soft: #151a18;
    --tag-bg: #28302c;
    --tag-ink: #d7ded9;
    --border: rgba(248, 243, 234, 0.14);
    --header-bg: rgba(15, 19, 18, 0.94);
    --header-border: rgba(248, 243, 234, 0.13);
    --header-hover: rgba(255, 255, 255, 0.09);
    --nav-action-bg: #f4f0e8;
    --nav-action-fg: #151817;
    --control-bg: rgba(255, 255, 255, 0.07);
    --control-hover: rgba(255, 255, 255, 0.12);
    --control-active-bg: #f4f0e8;
    --control-active-fg: #151817;
    --icon-bg: #f3eee5;
    --icon-fg: #151817;
    --focus-ring: #6be1e6;
    --rust: #ef8b70;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

button,
input,
textarea,
select {
  font: inherit;
  letter-spacing: 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  border-bottom: 1px solid transparent;
  color: #f8f3ea;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.site-header.is-scrolled {
  background: var(--header-bg);
  border-color: var(--header-border);
  color: var(--ink);
  backdrop-filter: blur(14px);
}

.nav-shell {
  width: min(100% - 40px, var(--max));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  white-space: nowrap;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 7px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.nav-links a {
  min-height: 40px;
  padding: 9px 12px;
  border-radius: 7px;
  color: currentColor;
  opacity: 0.82;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.12);
  opacity: 1;
}

.site-header.is-scrolled .nav-links a:hover {
  background: var(--header-hover);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-login {
  min-width: 82px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 7px;
  color: currentColor;
  font-weight: 700;
  white-space: nowrap;
}

.nav-login:hover {
  background: rgba(255, 255, 255, 0.12);
}

.nav-login svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.nav-user-avatar,
.nav-user-initial {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  border-radius: 50%;
}

.nav-user-avatar {
  object-fit: cover;
  background: var(--control-bg);
}

.nav-user-initial {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  color: #0d1716;
  font-size: 0.76rem;
  font-weight: 800;
}

.nav-user-avatar[hidden],
.nav-user-initial[hidden] {
  display: none;
}

.site-header.is-scrolled .nav-login {
  border-color: var(--header-border);
}

.site-header.is-scrolled .nav-login:hover {
  background: var(--header-hover);
}

.display-settings {
  position: relative;
}

.display-settings-toggle {
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.08);
  color: inherit;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
  transition: background 160ms ease, border-color 160ms ease;
}

.display-settings-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
}

.display-settings-icon {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
}

.display-settings-chevron {
  width: 13px;
  height: 13px;
  flex: 0 0 13px;
  transition: transform 160ms ease;
}

.display-settings-toggle[aria-expanded="true"] .display-settings-chevron {
  transform: rotate(180deg);
}

.display-settings-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 40;
  width: 260px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.display-settings-panel[hidden] {
  display: none;
}

.preference-field {
  display: grid;
  gap: 6px;
}

.preference-field-label {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.display-settings-panel .preference-select {
  width: 100%;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  outline: 0;
  background: var(--panel-soft);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 750;
}

.display-settings-panel .preference-select:focus-visible {
  border-color: var(--focus-ring);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus-ring) 24%, transparent);
}

.site-header.is-scrolled .display-settings-toggle {
  background: var(--control-bg);
  border-color: var(--border);
}

.site-header.is-scrolled .display-settings-toggle:hover {
  background: var(--control-hover);
}

.nav-action {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 15px;
  border-radius: 7px;
  background: #f8f3ea;
  color: #121514;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.4);
  white-space: nowrap;
}

.nav-action svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.site-header.is-scrolled .nav-action {
  background: var(--nav-action-bg);
  color: var(--nav-action-fg);
  border-color: var(--nav-action-bg);
}

.hero {
  position: relative;
  min-height: 88svh;
  overflow: hidden;
  background: var(--dark);
  color: #f8f3ea;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.95;
}

.hero-noise {
  display: none;
}

.hero-shell {
  position: relative;
  z-index: 2;
  width: min(100% - 40px, var(--max));
  min-height: 88svh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  align-items: center;
  gap: 54px;
  padding: 116px 0 64px;
}

.hero-copy {
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 18px;
  color: #a8efe8;
  font-size: 0.88rem;
  font-weight: 750;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 5rem;
  line-height: 0.96;
  font-weight: 800;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 720px;
  margin-bottom: 32px;
  color: rgba(248, 243, 234, 0.82);
  font-size: 1.18rem;
}

.hero-usage {
  max-width: 720px;
  margin: -10px 0 30px;
  padding: 14px 18px;
  border-left: 3px solid var(--teal);
  background: rgba(32, 185, 196, 0.11);
  color: #f8f3ea;
  font-weight: 760;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 42px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 18px;
  border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 750;
  white-space: nowrap;
}

.button.primary {
  background: #f3c34d;
  color: #151817;
  border-color: #f3c34d;
}

.button.primary:hover {
  background: #ffd263;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #f8f3ea;
  border-color: var(--line-dark);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.button.dark {
  background: var(--dark);
  color: #f8f3ea;
}

.button.dark:hover {
  background: #242a27;
}

.button.light {
  background: #fff;
  color: var(--ink);
  border-color: rgba(21, 24, 23, 0.14);
}

.button.light:hover {
  background: #f8f5ee;
}

.button svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.download-button-copy {
  display: grid;
  gap: 2px;
  line-height: 1.15;
}

.download-button-copy small {
  font-size: 0.72rem;
  font-weight: 720;
  letter-spacing: 0.02em;
  opacity: 0.7;
}

.ios-release-note {
  flex: 1 0 100%;
  max-width: 720px;
  margin: 0;
  color: rgba(248, 243, 234, 0.74);
  font-size: 0.82rem;
  line-height: 1.55;
}

.download-menu {
  position: relative;
  display: inline-flex;
}

.download-menu .button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

.download-menu .caret {
  width: 15px;
  height: 15px;
  transition: transform 140ms ease;
}

.download-menu .button[aria-expanded="true"] .caret {
  transform: rotate(180deg);
}

.download-menu-list[hidden] {
  /* 作者样式的 display 会压过浏览器对 [hidden] 的内置 display:none，必须显式还原 */
  display: none;
}

.download-menu-list {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 100%;
  display: grid;
  gap: 2px;
  padding: 6px;
  background: var(--dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 30;
}

.download-menu-list a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 14px;
  border-radius: 6px;
  font-weight: 650;
  color: #f8f3ea;
  white-space: nowrap;
  transition: background 120ms ease;
}

.download-menu-list a:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 760px;
}

.metric {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.metric strong {
  display: block;
  margin-bottom: 4px;
  color: #ffffff;
  font-size: 1.45rem;
}

.metric span {
  color: rgba(248, 243, 234, 0.68);
  font-size: 0.92rem;
}

.hero-product {
  justify-self: end;
  width: min(100%, 330px);
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(12, 15, 14, 0.54);
  backdrop-filter: blur(18px);
}

.hero-product img {
  width: 86px;
  height: 86px;
  margin-bottom: 22px;
  border-radius: 18px;
}

.hero-product h2 {
  margin-bottom: 10px;
  font-size: 1.28rem;
}

.hero-product p {
  margin-bottom: 22px;
  color: rgba(248, 243, 234, 0.73);
  font-size: 0.94rem;
}

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

.signal-list > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  color: rgba(248, 243, 234, 0.72);
  font-size: 0.9rem;
}

.signal-list strong {
  color: #f8f3ea;
  font-size: 0.88rem;
}

.status-strip {
  position: relative;
  z-index: 3;
  margin-top: -1px;
  background: #161b19;
  color: #f8f3ea;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
}

.strip-shell {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.strip-item {
  min-height: 100px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 20px 26px;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.strip-item:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.strip-item strong {
  font-size: 1rem;
}

.strip-item span {
  color: rgba(248, 243, 234, 0.64);
  font-size: 0.92rem;
}

.section {
  padding: 92px 0;
}

.section.alt {
  background: var(--paper-2);
}

.section.dark-section {
  background: var(--dark);
  color: #f8f3ea;
}

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

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.6fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 42px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 3rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p {
  margin-bottom: 0;
  color: var(--muted);
}

.dark-section .section-heading p {
  color: rgba(248, 243, 234, 0.66);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.capability-card,
.release-panel,
.check-panel,
.workflow-step,
.tool-row {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}

.capability-card {
  min-height: 294px;
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.card-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-bottom: 30px;
  border-radius: 7px;
  background: var(--icon-bg);
  color: var(--icon-fg);
}

.card-icon svg {
  width: 23px;
  height: 23px;
}

.capability-card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.capability-card p {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 0.94rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.tag-list span {
  padding: 5px 8px;
  border-radius: 6px;
  background: var(--tag-bg);
  color: var(--tag-ink);
  font-size: 0.78rem;
  font-weight: 650;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  counter-reset: step;
}

.workflow-step {
  position: relative;
  min-height: 236px;
  padding: 22px;
  background: var(--paper);
  counter-increment: step;
}

.workflow-step::before {
  content: "0" counter(step);
  display: block;
  margin-bottom: 34px;
  color: var(--rust);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
  font-weight: 800;
}

.workflow-step h3 {
  margin-bottom: 10px;
  font-size: 1.06rem;
}

.workflow-step p {
  color: var(--muted);
  font-size: 0.94rem;
}

.faq-section {
  background: var(--paper);
}

.faq-heading {
  align-items: start;
}

.faq-kicker {
  margin: 0 0 12px;
  color: var(--rust) !important;
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.14em;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  min-height: 88px;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 18px;
  padding: 22px 0;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 4px;
}

.faq-number {
  color: var(--rust);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.84rem;
  font-weight: 800;
}

.faq-question {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 760;
  line-height: 1.35;
}

.faq-toggle {
  position: relative;
  width: 28px;
  height: 28px;
  justify-self: end;
}

.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: opacity 160ms ease, transform 160ms ease;
}

.faq-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] .faq-toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0);
}

.faq-answer {
  max-width: 980px;
  padding: 0 48px 40px 70px;
}

.faq-steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-steps li {
  display: grid;
  grid-template-columns: minmax(150px, 0.34fr) minmax(0, 1fr);
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.faq-steps li:first-child {
  border-top: 0;
}

.faq-steps strong {
  color: var(--ink);
  font-size: 0.94rem;
}

.faq-steps li > span {
  color: var(--muted);
  line-height: 1.72;
}

.faq-prompt {
  display: grid;
  grid-template-columns: minmax(150px, 0.34fr) minmax(0, 1fr);
  gap: 24px;
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 3px solid var(--teal);
  background: var(--panel-soft);
}

.faq-prompt > span {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 780;
}

.faq-prompt code,
.faq-command code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
}

.faq-prompt code {
  color: var(--muted);
  line-height: 1.7;
}

.faq-command {
  margin-top: 18px;
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  background: var(--dark);
  color: #f8f3ea;
}

.faq-command code {
  font-size: 0.92rem;
  font-weight: 700;
}

.matrix {
  display: grid;
  gap: 10px;
}

.tool-row {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(190px, 0.55fr) minmax(280px, 1fr);
  gap: 20px;
  align-items: center;
  min-height: 76px;
  padding: 18px 20px;
  background: var(--panel-soft);
}

.tool-row code,
.code-block code,
.sha code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.tool-row code {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.tool-row span {
  color: var(--rust);
  font-size: 0.86rem;
  font-weight: 760;
}

.tool-row p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.release-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
}

.release-panel,
.check-panel {
  padding: 28px;
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.14);
}

.release-note {
  font-size: 0.9rem;
  margin: 6px 0 12px;
  color: rgba(248, 243, 234, 0.56);
}

.release-note code,
.release-panel p code {
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
}

.release-checksum {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(248, 243, 234, 0.78);
  font-size: 0.85rem;
  text-decoration: none;
  transition: background 120ms ease;
}

.release-checksum:hover {
  background: rgba(255, 255, 255, 0.12);
}

.button.ghost {
  background: transparent;
  border: 1px solid rgba(248, 243, 234, 0.35);
  color: rgba(248, 243, 234, 0.85);
}

.button.ghost:hover {
  background: rgba(255, 255, 255, 0.06);
}

.release-panel h3,
.check-panel h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.release-panel p,
.check-panel p {
  color: rgba(248, 243, 234, 0.68);
}

.release-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 22px;
}

.sha {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.06);
}

.sha dt {
  color: rgba(248, 243, 234, 0.58);
  font-size: 0.82rem;
  font-weight: 750;
}

.sha dd {
  margin: 0;
  color: #f8f3ea;
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.release-links {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.release-links a {
  color: #9be4e2;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.terminal {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.code-block {
  position: relative;
  padding: 18px 52px 18px 18px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 7px;
  background: #080b0a;
  color: #d9fff6;
  overflow: hidden;
}

.code-block code {
  display: block;
  overflow-x: auto;
  white-space: nowrap;
  font-size: 0.9rem;
}

.copy-button {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: #f8f3ea;
  cursor: pointer;
}

.copy-button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.copy-button svg {
  width: 17px;
  height: 17px;
}

.site-footer {
  padding: 34px 0;
  background: #0b0e0d;
  color: rgba(248, 243, 234, 0.72);
}

.footer-shell {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-shell strong {
  color: #f8f3ea;
}

.footer-shell span {
  color: rgba(248, 243, 234, 0.54);
}

.footer-contact {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-inline-start: auto;
}

.footer-icp {
  color: rgba(248, 243, 234, 0.62);
  text-decoration: none;
  transition: color 160ms ease;
}

.footer-icp:hover {
  color: #f8f3ea;
}

[data-language-only] {
  display: none !important;
}

html[data-language="zh-CN"] [data-language-only="zh-CN"] {
  display: inline-flex !important;
}

@media (max-width: 1060px) {
  h1 {
    font-size: 4rem;
  }

  .hero-shell,
  .section-heading,
  .release-layout {
    grid-template-columns: 1fr;
  }

  .hero-product {
    justify-self: start;
  }

  .capability-grid,
  .workflow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
  }

  .nav-controls {
    margin-left: auto;
  }
}

@media (max-width: 780px) {
  .nav-shell {
    width: min(100% - 28px, var(--max));
    min-height: 64px;
    gap: 10px;
  }

  .nav-controls {
    gap: 6px;
  }

  .display-settings-toggle {
    width: 40px;
    padding: 0;
  }

  .display-settings-toggle-label,
  .display-settings-chevron {
    display: none;
  }

  .display-settings-panel {
    width: min(260px, calc(100vw - 28px));
  }

  .site-header .display-settings-panel {
    position: fixed;
    top: 72px;
    right: 14px;
  }

  .nav-action,
  .nav-login {
    width: 40px;
    min-width: 40px;
    min-height: 40px;
    padding: 0;
  }

  .nav-action span,
  .nav-login span {
    display: none;
  }

  .hero-shell,
  .section-shell,
  .strip-shell,
  .footer-shell {
    width: min(100% - 28px, var(--max));
  }

  .hero-shell {
    padding-top: 98px;
    gap: 34px;
  }

  h1 {
    font-size: 3.05rem;
  }

  .hero-subtitle {
    font-size: 1.04rem;
  }

  .hero-usage {
    margin-top: -6px;
    padding: 13px 15px;
    font-size: 0.95rem;
  }

  .hero-metrics,
  .strip-shell,
  .capability-grid,
  .workflow {
    grid-template-columns: 1fr;
  }

  .strip-item,
  .strip-item:last-child {
    border-right: 0;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .section {
    padding: 70px 0;
  }

  .section-heading {
    gap: 16px;
  }

  .section-heading h2 {
    font-size: 2.35rem;
  }

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

  .faq-item summary {
    min-height: 76px;
    grid-template-columns: 34px minmax(0, 1fr) 26px;
    gap: 10px;
    padding: 18px 0;
  }

  .faq-answer {
    padding: 0 0 32px;
  }

  .faq-steps li,
  .faq-prompt {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .release-panel,
  .check-panel {
    padding: 22px;
  }

  .footer-shell {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-contact {
    align-items: flex-start;
    flex-direction: column;
    justify-content: flex-start;
    margin-inline-start: 0;
  }
}

@media (max-width: 520px) {
  .brand span {
    display: none;
  }
}

@media (max-width: 440px) {
  .button {
    width: 100%;
    white-space: normal;
  }

  h1 {
    font-size: 2.55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* --- subscribe.html ------------------------------------------------ */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
  margin-top: 22px;
}

.pricing-card {
  position: relative;
  padding: 34px 30px 30px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pricing-tag {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(248, 243, 234, 0.86);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pricing-price {
  margin: 6px 0;
  color: rgba(248, 243, 234, 0.92);
}

.pricing-price strong {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #f8f3ea;
}

.pricing-price span {
  color: rgba(248, 243, 234, 0.66);
  margin-left: 4px;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 6px 0 4px;
  display: grid;
  gap: 8px;
  color: rgba(248, 243, 234, 0.78);
}

.pricing-features li {
  position: relative;
  padding-left: 22px;
  line-height: 1.55;
}

.pricing-features li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(96, 232, 178, 0.85);
}

.pricing-actions {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pricing-actions > [hidden],
.account-billing-row > [hidden] {
  display: none;
}

.pricing-note {
  font-size: 0.9rem;
  color: rgba(248, 243, 234, 0.6);
  line-height: 1.55;
}

.device-shell {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  gap: 12px;
}

.device-line {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.device-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(248, 243, 234, 0.6);
}

.device-line code {
  flex: 1 1 320px;
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(10, 12, 12, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #f8f3ea;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.95rem;
  word-break: break-all;
}

.device-note {
  color: rgba(248, 243, 234, 0.62);
  font-size: 0.92rem;
}

.activate-shell {
  display: grid;
  gap: 16px;
}

.activate-cmd {
  padding: 18px 20px;
  border-radius: 12px;
  background: #0b0e0d;
  color: #f8f3ea;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.98rem;
}

.activate-steps {
  list-style: decimal;
  padding-left: 22px;
  margin: 0;
  color: rgba(248, 243, 234, 0.75);
  display: grid;
  gap: 6px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.faq-card {
  padding: 24px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
}

.faq-card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.faq-card p {
  color: rgba(248, 243, 234, 0.72);
  line-height: 1.6;
}

.faq-card code,
.pricing-note code,
.activate-steps code,
.device-note code {
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
}

/* --- subscribe.html: online activation form ---------------------- */

.subscribe-form {
  display: grid;
  gap: 14px;
  margin-top: 6px;
}

.checkout-mode-field {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.checkout-mode-field legend {
  margin-bottom: 9px;
  color: rgba(248, 243, 234, 0.72);
  font-size: 0.84rem;
  font-weight: 720;
}

.checkout-mode-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.checkout-mode-option {
  position: relative;
  cursor: pointer;
}

.checkout-mode-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.checkout-mode-option > span {
  display: grid;
  min-height: 78px;
  align-content: center;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
  transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.checkout-mode-option strong {
  color: #f8f3ea;
  font-size: 0.95rem;
}

.checkout-mode-option small {
  color: rgba(248, 243, 234, 0.62);
  font-size: 0.78rem;
  line-height: 1.45;
}

.checkout-mode-option:has(input:checked) > span {
  border-color: rgba(96, 232, 178, 0.7);
  background: rgba(96, 232, 178, 0.1);
  box-shadow: 0 0 0 1px rgba(96, 232, 178, 0.12);
}

.checkout-mode-option:has(input:focus-visible) > span {
  outline: 2px solid rgba(96, 232, 178, 0.85);
  outline-offset: 3px;
}

.checkout-mode-option:has(input:disabled) {
  cursor: not-allowed;
  opacity: 0.48;
}

.recurring-payment-method {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.12);
}

.recurring-payment-method[hidden] {
  display: none;
}

.recurring-payment-method > img {
  flex: 0 0 auto;
  object-fit: contain;
}

.recurring-payment-method > div {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.recurring-payment-method span,
.recurring-payment-method small {
  color: rgba(248, 243, 234, 0.6);
  font-size: 0.76rem;
}

.recurring-payment-method strong {
  color: #f8f3ea;
}

.one-time-purchase {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(96, 232, 178, 0.24);
  border-radius: 11px;
  background: rgba(96, 232, 178, 0.055);
}

.one-time-purchase[hidden] {
  display: none;
}

.one-time-purchase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.one-time-purchase-header > div {
  display: grid;
  gap: 3px;
}

.one-time-purchase-header strong {
  color: #f8f3ea;
}

.one-time-purchase-header small {
  color: rgba(248, 243, 234, 0.62);
  line-height: 1.45;
}

.one-time-purchase-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.one-time-purchase-fields > label,
.one-time-purchase-fields > div {
  display: grid;
  align-content: center;
  gap: 6px;
  min-width: 0;
  min-height: 72px;
  padding: 11px 12px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.12);
}

.one-time-purchase-fields span {
  color: rgba(248, 243, 234, 0.58);
  font-size: 0.76rem;
}

.one-time-purchase-fields strong,
.one-time-purchase-fields output {
  overflow-wrap: anywhere;
  color: #f8f3ea;
  font-weight: 760;
}

.one-time-purchase-fields select {
  width: 100%;
  min-height: 36px;
  padding: 6px 30px 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 7px;
  background: #111614;
  color: #f8f3ea;
  font: inherit;
  cursor: pointer;
}

.one-time-purchase-fields select:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.subscribe-form .button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

.subscription-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin: 0 0 28px;
  overflow: hidden;
  border: 1px solid rgba(122, 229, 212, 0.24);
  border-radius: 18px;
  background: rgba(122, 229, 212, 0.16);
}

.subscription-summary[hidden] {
  display: none;
}

.subscription-summary > div {
  min-width: 0;
  padding: 18px 20px;
  background: rgba(14, 19, 17, 0.94);
}

.subscription-summary-label {
  display: block;
  margin-bottom: 7px;
  color: rgba(248, 243, 234, 0.62);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.subscription-summary strong {
  display: block;
  overflow: hidden;
  color: #f8f3ea;
  font-size: 0.98rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 760px) {
  .subscription-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .checkout-mode-options,
  .one-time-purchase-fields {
    grid-template-columns: 1fr;
  }
}

.subscribe-status {
  min-height: 1.5em;
  font-size: 0.9rem;
  line-height: 1.55;
  color: rgba(248, 243, 234, 0.7);
}

.subscribe-status[data-kind="ok"]    { color: #7be0b0; }
.subscribe-status[data-kind="warn"]  { color: #ffcf6c; }
.subscribe-status[data-kind="error"] { color: #ff8a8a; }
.subscribe-status[data-kind="info"]  { color: rgba(248, 243, 234, 0.88); }

.subscription-consent {
  margin: 0;
  color: rgba(248, 243, 234, 0.66);
  font-size: 0.82rem;
  line-height: 1.55;
}

.subscription-consent[hidden] {
  display: none;
}

.subscribe-status code,
.activate-tip code {
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
}

.activate-tip {
  color: rgba(248, 243, 234, 0.75);
  line-height: 1.6;
  margin: 0;
}

/* Account center */

.account-page {
  min-height: 100vh;
}

.account-main {
  min-height: calc(100vh - 92px);
  padding-top: 72px;
}

.account-shell {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.account-profile-band {
  padding: 58px 0 30px;
  background: var(--panel-soft);
  border-bottom: 1px solid var(--line);
}

.account-profile-header {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
}

.account-profile-avatar {
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel);
  color: var(--ink);
  font-size: 1.8rem;
  font-weight: 800;
}

.account-profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.account-profile-avatar img[hidden],
.account-profile-avatar span[hidden] {
  display: none;
}

.account-kicker {
  margin-bottom: 7px;
  color: #137f86;
  font-size: 0.78rem;
  font-weight: 800;
}

:root[data-theme="dark"] .account-kicker {
  color: #6be1e6;
}

.account-profile-copy {
  min-width: 0;
}

.account-profile-copy h1 {
  max-width: none;
  margin-bottom: 8px;
  overflow-wrap: anywhere;
  font-family: inherit;
  font-size: 2.15rem;
  line-height: 1.15;
}

.account-email-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.account-verified-badge {
  padding: 3px 7px;
  border: 1px solid rgba(28, 143, 90, 0.3);
  border-radius: 5px;
  background: rgba(28, 143, 90, 0.1);
  color: #16734b;
  font-size: 0.75rem;
  font-weight: 750;
}

:root[data-theme="dark"] .account-verified-badge {
  color: #78dca9;
}

.button.dark.account-logout {
  background: var(--ink);
  color: var(--paper);
}

.button.dark.account-logout:hover {
  opacity: 0.84;
}

.account-load-status {
  min-height: 1.5em;
  margin: 24px 0 0 112px;
  color: var(--muted);
  font-size: 0.9rem;
}

.account-load-status[data-kind="ok"] {
  color: #16734b;
}

.account-load-status[data-kind="error"] {
  color: var(--rust);
}

.account-content-band {
  padding: 46px 0 72px;
}

.account-section-heading,
.account-detail-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.account-section-heading {
  margin-bottom: 28px;
}

.account-section-heading h2,
.account-detail-heading h2 {
  margin-bottom: 0;
  font-family: inherit;
  letter-spacing: 0;
}

.account-section-heading h2 {
  font-size: 2rem;
  line-height: 1.18;
}

.account-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.account-billing-row {
  display: grid;
  grid-template-columns: minmax(160px, 0.8fr) minmax(220px, 1fr) auto;
  align-items: center;
  gap: 18px 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.account-billing-row > div > span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.8rem;
}

.account-billing-row > div > strong {
  overflow-wrap: anywhere;
  font-size: 1rem;
}

.account-billing-row > button {
  justify-self: end;
}

.account-billing-row > p {
  grid-column: 1 / -1;
  min-height: 1.35em;
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.account-stat {
  min-width: 0;
  padding: 24px 22px;
  border-left: 1px solid var(--line);
}

.account-stat:first-child {
  border-left: 0;
}

.account-stat > span {
  display: block;
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 0.8rem;
}

.account-stat strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 1.08rem;
}

.account-state,
.account-payment-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.account-payment-status {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.account-state::before,
.account-payment-status::before {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--muted);
  content: "";
}

.account-state[data-kind="active"]::before,
.account-payment-status[data-kind="succeeded"]::before {
  background: var(--green);
}

.account-state[data-kind="expired"]::before,
.account-state[data-kind="error"]::before,
.account-payment-status[data-kind="failed"]::before,
.account-payment-status[data-kind="expired"]::before,
.account-payment-status[data-kind="cancelled"]::before,
.account-payment-status[data-kind="canceled"]::before {
  background: var(--rust);
}

.account-payment-status[data-kind="processing"]::before,
.account-payment-status[data-kind="requires_customer_action"]::before,
.account-payment-status[data-kind="requires_payment_method"]::before,
.account-payment-status[data-kind="created"]::before {
  background: var(--amber);
}

.account-detail-section {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.account-detail-section:last-child {
  border-bottom: 0;
}

.account-detail-heading {
  margin-bottom: 20px;
}

.account-detail-heading h2 {
  font-size: 1.35rem;
}

.account-detail-heading span {
  color: var(--muted);
  font-size: 0.9rem;
}

.account-device-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.account-device-item {
  min-width: 0;
  padding: 17px 18px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
}

.account-device-item code,
.account-device-item span {
  display: block;
}

.account-device-item code {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 750;
}

.account-device-item span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.82rem;
}

.account-empty {
  margin: 0;
  padding: 22px 0;
  color: var(--muted);
}

.account-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
}

.account-history-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  text-align: left;
}

.account-history-table th,
.account-history-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.account-history-table th {
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.account-history-table td {
  font-size: 0.88rem;
}

.account-history-table tbody tr:last-child td {
  border-bottom: 0;
}

.account-history-table tbody tr.account-payment-resumable {
  cursor: pointer;
}

.account-history-table tbody tr.account-payment-resumable td {
  transition: background-color 150ms ease;
}

.account-history-table tbody tr.account-payment-resumable:hover td,
.account-history-table tbody tr.account-payment-resumable:focus-visible td {
  background: var(--control-hover);
}

.account-history-table tbody tr.account-payment-resumable:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: -2px;
}

.account-order-reference {
  display: grid;
  gap: 3px;
}

.account-order-reference strong {
  font-size: 0.88rem;
}

.account-order-reference small {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
}

.account-payment-resume-link {
  width: max-content;
  margin-top: 4px;
  color: var(--focus-ring);
  font-size: 0.78rem;
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.account-payment-resume-link:hover {
  color: var(--ink);
}

.account-amount {
  font-variant-numeric: tabular-nums;
  font-weight: 750;
}

@media (max-width: 820px) {
  .account-profile-header {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .account-profile-avatar {
    width: 72px;
    height: 72px;
  }

  .account-logout {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .account-load-status {
    margin-left: 0;
  }

  .account-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .account-billing-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .account-billing-row > button {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .account-stat:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .account-stat:nth-child(4) {
    border-top: 1px solid var(--line);
  }
}

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

  .account-profile-band {
    padding-top: 38px;
  }

  .account-profile-copy h1 {
    font-size: 1.55rem;
  }

  .account-section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .account-stats,
  .account-device-list,
  .account-billing-row {
    grid-template-columns: 1fr;
  }

  .account-stat {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .account-stat:first-child {
    border-top: 0;
  }
}

@media (max-width: 780px) {
  .nav-login .nav-user-initial:not([hidden]) {
    display: inline-flex;
  }
}

/* News and field notes */

.nav-links a[aria-current="page"] {
  opacity: 1;
  box-shadow: inset 0 -2px 0 var(--teal);
}

.news-home {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 12%, rgba(32, 185, 196, 0.13), transparent 28rem),
    linear-gradient(135deg, var(--panel-soft), var(--paper));
}

.news-home::before,
.news-masthead::after {
  content: "";
  position: absolute;
  pointer-events: none;
  background-image: radial-gradient(currentColor 0.75px, transparent 0.75px);
  background-size: 14px 14px;
  opacity: 0.08;
}

.news-home::before {
  inset: 0 0 0 68%;
  color: var(--ink);
}

.news-section-heading {
  position: relative;
  z-index: 1;
  align-items: end;
  justify-content: space-between;
}

.news-section-heading > div {
  max-width: 720px;
}

.news-kicker {
  margin: 0 0 13px;
  color: var(--rust);
  font-size: 0.73rem;
  font-weight: 850;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.news-view-all,
.news-back-link {
  display: inline-flex;
  align-items: center;
  width: max-content;
  color: var(--ink);
  font-weight: 780;
  text-decoration: underline;
  text-decoration-color: var(--teal);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.news-view-all:hover,
.news-back-link:hover {
  color: var(--rust);
}

.news-list-status {
  min-height: 1.55em;
  margin: 0 0 18px;
  color: var(--muted);
}

.news-grid {
  position: relative;
  z-index: 1;
  display: grid;
  border-top: 1px solid var(--line);
}

.news-card {
  position: relative;
  display: grid;
  grid-template-columns: 150px minmax(240px, 0.9fr) minmax(280px, 1.1fr) minmax(190px, 0.65fr);
  grid-template-areas: "meta title summary footer";
  gap: 24px;
  align-items: start;
  padding: 28px 18px;
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition:
    background-color 180ms ease,
    transform 180ms ease;
}

.news-card.has-cover {
  grid-template-columns: 130px minmax(190px, 0.82fr) minmax(230px, 1fr) minmax(140px, 0.56fr) minmax(180px, 220px);
  grid-template-areas: "meta title summary footer cover";
}

.news-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--teal);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 180ms ease;
}

.news-card:hover,
.news-card:focus-visible {
  background: var(--panel);
  transform: translateX(4px);
}

.news-card:hover::before,
.news-card:focus-visible::before {
  transform: scaleY(1);
}

.news-card:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--teal) 72%, transparent);
  outline-offset: -2px;
}

.news-card-meta {
  grid-area: meta;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.78rem;
}

.news-category {
  width: max-content;
  padding: 4px 8px;
  border: 1px solid color-mix(in srgb, var(--rust) 48%, var(--line));
  border-radius: 999px;
  color: var(--rust);
  font-weight: 800;
}

.news-featured-badge {
  width: max-content;
  padding: 3px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--teal) 16%, transparent);
  color: color-mix(in srgb, var(--teal) 82%, var(--ink));
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.news-card h3 {
  grid-area: title;
  margin: 0;
  font-family: "Iowan Old Style", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
  font-size: clamp(1.22rem, 1.8vw, 1.72rem);
  line-height: 1.28;
  letter-spacing: -0.015em;
}

.news-card > p {
  grid-area: summary;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.news-card-footer {
  grid-area: footer;
  display: grid;
  gap: 14px;
  justify-items: end;
  color: var(--muted);
  font-size: 0.82rem;
}

.news-card-cover {
  grid-area: cover;
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-soft);
  box-shadow: var(--shadow);
}

.news-card-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-card-footer strong {
  color: var(--ink);
}

.news-card-tags,
.news-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.news-card-tags {
  justify-content: flex-end;
}

.news-card-tags span,
.news-detail-tags span {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--tag-bg);
  color: var(--tag-ink);
  font-size: 0.72rem;
}

.news-masthead,
.news-detail-masthead {
  position: relative;
  overflow: hidden;
  padding: 150px 0 76px;
  background:
    radial-gradient(circle at 78% 14%, rgba(32, 185, 196, 0.24), transparent 29rem),
    linear-gradient(125deg, #0d1110 0%, #18201c 58%, #10292a 100%);
  color: #f8f3ea;
}

.news-masthead::after {
  inset: 0 0 0 58%;
  color: #f8f3ea;
}

.news-masthead-shell {
  position: relative;
  z-index: 1;
}

.news-masthead h1,
.news-detail-masthead h1 {
  max-width: 900px;
  margin: 0;
  font-family: "Iowan Old Style", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
  font-size: clamp(2.7rem, 7vw, 6.3rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.news-masthead h1 {
  max-width: 780px;
}

.news-masthead-shell > p:last-child {
  max-width: 680px;
  margin: 28px 0 0;
  color: rgba(248, 243, 234, 0.72);
  font-size: 1.08rem;
}

.news-index-section {
  min-height: 50vh;
}

.news-detail-masthead {
  padding-bottom: 72px;
}

.news-detail-page {
  --news-outline-width: 240px;
  --news-outline-gap: clamp(34px, 4vw, 56px);
}

.news-article-shell {
  width: min(100% - 48px, 860px);
  margin: 0 auto;
}

.news-detail-page.has-news-outline .news-detail-masthead .news-article-shell {
  width: min(100% - 48px, 1180px);
  padding-left: calc(var(--news-outline-width) + var(--news-outline-gap));
}

.news-back-link {
  margin-bottom: 58px;
  color: rgba(248, 243, 234, 0.82);
}

.news-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  margin-bottom: 22px;
  color: rgba(248, 243, 234, 0.68);
  font-size: 0.82rem;
}

.news-detail-meta .news-category {
  color: #ffad91;
  border-color: rgba(255, 173, 145, 0.5);
}

.news-detail-masthead h1 {
  font-size: clamp(2.35rem, 5.5vw, 5rem);
  line-height: 1.08;
}

.news-article-section {
  padding: clamp(54px, 8vw, 96px) 0;
  background: var(--paper);
}

.news-detail-layout {
  width: min(100% - 48px, 1180px);
  margin: 0 auto;
}

.news-detail-layout.has-outline {
  display: grid;
  grid-template-columns: var(--news-outline-width) minmax(0, 860px);
  gap: var(--news-outline-gap);
  align-items: start;
}

.news-detail-layout > .news-article-shell {
  width: 100%;
  margin: 0;
}

.news-outline {
  position: sticky;
  top: 96px;
  max-height: calc(100svh - 122px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.news-outline[hidden] {
  display: none;
}

.news-outline-panel {
  padding-top: 16px;
  border-top: 3px solid var(--ink);
}

.news-outline-label {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: 0.73rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.news-outline-list,
.news-outline-sublist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-outline-list {
  counter-reset: news-outline;
}

.news-outline-item > a {
  position: relative;
  display: block;
  padding: 8px 10px 8px 34px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
  transition:
    border-color 150ms ease,
    background-color 150ms ease,
    color 150ms ease;
}

.news-outline-list > .news-outline-item > a::before {
  counter-increment: news-outline;
  content: counter(news-outline, decimal-leading-zero);
  position: absolute;
  top: 9px;
  left: 8px;
  color: var(--rust);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 800;
}

.news-outline-item > a:hover {
  background: var(--control-hover);
  color: var(--ink);
}

.news-outline-item > a.is-active {
  border-left-color: var(--teal);
  background: var(--panel-soft);
  color: var(--ink);
  font-weight: 760;
}

.news-outline-sublist {
  margin: 2px 0 6px 19px;
  border-left: 1px solid var(--line);
}

.news-outline-sublist .news-outline-item > a {
  padding: 6px 9px 6px 17px;
  font-size: 0.78rem;
}

.news-outline-sublist .news-outline-item > a::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 6px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--line);
}

.news-article-body {
  font-family: "Iowan Old Style", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
  font-size: clamp(1.06rem, 1.4vw, 1.18rem);
  line-height: 2;
}

.news-article-body p {
  margin: 0 0 1.45em;
  text-indent: 2em;
}

.news-article-body h2,
.news-article-body h3 {
  color: var(--ink);
  line-height: 1.32;
  padding-inline-start: 2em;
  scroll-margin-top: 110px;
}

.news-article-body h2:focus,
.news-article-body h3:focus {
  outline: none;
}

.news-article-body h2 {
  margin: 2.35em 0 0.8em;
  padding-top: 0.65em;
  border-top: 3px solid var(--ink);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.news-article-body h3 {
  margin: 1.8em 0 0.7em;
  font-size: 1.35rem;
}

.news-article-body blockquote {
  margin: 0 0 2em;
  padding: 22px 26px;
  border-left: 4px solid var(--teal);
  background: var(--panel-soft);
  color: var(--ink);
  font-size: 1.08em;
  font-weight: 700;
  text-indent: 2em;
}

.news-article-body ul,
.news-article-body ol {
  margin: 0 0 1.6em;
  padding-left: 1.5em;
}

.news-article-body li {
  margin: 0.5em 0;
  padding-left: 0.35em;
}

.news-article-body hr {
  width: 90px;
  height: 3px;
  margin: 3.5em 0 2em;
  border: 0;
  background: var(--rust);
}

.news-video {
  display: block;
  width: 100%;
  margin: 1.6em 0 2em;
  border-radius: var(--radius);
  background: #000;
}

.news-image {
  margin: 2em 0 2.4em;
}

.news-image img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
  box-shadow: var(--shadow);
}

.news-image figcaption {
  margin-top: 0.75em;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.65;
  text-align: center;
}

.news-detail-tags {
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

@media (max-width: 1060px) {
  .news-card {
    grid-template-columns: 130px minmax(220px, 0.85fr) minmax(280px, 1.15fr);
    grid-template-areas:
      "meta title summary"
      ". footer footer";
  }

  .news-card.has-cover {
    grid-template-columns: 120px minmax(0, 1fr) minmax(200px, 230px);
    grid-template-areas:
      "meta title cover"
      ". summary cover"
      ". footer footer";
  }

  .news-card-footer {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    justify-items: stretch;
  }

  .news-card-tags {
    justify-content: flex-start;
  }

  .news-card-footer strong {
    text-align: right;
  }

  .news-detail-page.has-news-outline .news-detail-masthead .news-article-shell {
    width: min(100% - 48px, 860px);
    padding-left: 0;
  }

  .news-detail-layout.has-outline {
    grid-template-columns: minmax(0, 860px);
    justify-content: center;
  }

  .news-outline {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .news-outline-panel {
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-top: 3px solid var(--ink);
    background: var(--panel-soft);
  }

  .news-outline-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 18px;
  }
}

@media (max-width: 760px) {
  .news-section-heading {
    align-items: flex-start;
  }

  .news-view-all {
    margin-top: 4px;
  }

  .news-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "meta"
      "title"
      "summary"
      "footer";
    gap: 13px;
    padding: 24px 16px;
  }

  .news-card.has-cover {
    grid-template-columns: 1fr;
    grid-template-areas:
      "meta"
      "cover"
      "title"
      "summary"
      "footer";
  }

  .news-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }

  .news-card-footer {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .news-masthead,
  .news-detail-masthead {
    padding-top: 126px;
  }

  .news-back-link {
    margin-bottom: 42px;
  }

  .news-article-shell {
    width: min(100% - 32px, 860px);
  }

  .news-detail-layout {
    width: min(100% - 32px, 860px);
  }

  .news-detail-layout > .news-article-shell {
    width: 100%;
  }

  .news-outline-list {
    grid-template-columns: 1fr;
  }

  .news-article-section {
    background: var(--paper);
  }
}

@media (prefers-reduced-motion: reduce) {
  .news-card,
  .news-card::before {
    transition: none;
  }
}

/* Privacy policy */

html[data-language="zh-CN"] [data-language-copy="en"],
html[data-language="en"] [data-language-copy="zh-CN"] {
  display: none !important;
}

.legal-masthead {
  padding: 148px 0 72px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 12%, rgba(32, 185, 196, 0.25), transparent 30rem),
    linear-gradient(125deg, #0d1110 0%, #18201c 58%, #10292a 100%);
  color: #f8f3ea;
}

.legal-shell,
.legal-layout {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.legal-kicker {
  margin: 0 0 16px;
  color: #ffad91;
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.18em;
}

.legal-masthead h1 {
  margin: 0;
  font-family: "Iowan Old Style", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 0.98;
}

.legal-intro {
  max-width: 760px;
  margin: 28px 0 0;
  color: rgba(248, 243, 234, 0.74);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 1.8;
}

.legal-updated {
  margin: 24px 0 0;
  color: #a8efe8;
  font-size: 0.84rem;
  font-weight: 750;
}

.legal-content {
  padding: clamp(54px, 8vw, 96px) 0;
}

.legal-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 820px);
  justify-content: center;
  gap: clamp(38px, 5vw, 72px);
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 2px;
  padding-top: 16px;
  border-top: 3px solid var(--ink);
}

.legal-toc strong {
  margin-bottom: 12px;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.legal-toc a {
  padding: 8px 10px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.legal-toc a:hover {
  border-left-color: var(--teal);
  background: var(--panel-soft);
  color: var(--ink);
}

.legal-document {
  min-width: 0;
  border-top: 1px solid var(--line);
}

.legal-document section {
  padding: 34px 0 38px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 102px;
}

.legal-document section:first-child {
  padding-top: 0;
}

.legal-document h2 {
  margin: 0 0 18px;
  font-family: "Iowan Old Style", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  line-height: 1.28;
}

.legal-document p,
.legal-document li {
  color: var(--muted);
  line-height: 1.82;
}

.legal-document p {
  margin-bottom: 16px;
}

.legal-document p:last-child {
  margin-bottom: 0;
}

.legal-document ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 1.3em;
}

.legal-document strong {
  color: var(--ink);
}

.legal-callout {
  padding: 18px 20px;
  border-left: 3px solid var(--teal);
  background: var(--panel-soft);
  color: var(--ink) !important;
  font-weight: 700;
}

.legal-contact {
  display: grid;
  gap: 7px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.legal-contact a {
  width: max-content;
  max-width: 100%;
  color: var(--focus-ring);
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-underline-offset: 4px;
}

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

  .legal-toc {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 18px;
    border: 1px solid var(--line);
    border-top: 3px solid var(--ink);
    background: var(--panel-soft);
  }

  .legal-toc strong {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .legal-masthead {
    padding-top: 126px;
  }

  .legal-shell,
  .legal-layout {
    width: min(100% - 28px, var(--max));
  }

  .legal-toc {
    grid-template-columns: 1fr;
  }
}

/* Audiences directory */

.audiences-masthead {
  position: relative;
  overflow: hidden;
  padding: 152px 0 82px;
  background:
    radial-gradient(circle at 78% 10%, rgba(32, 185, 196, 0.26), transparent 30rem),
    linear-gradient(125deg, #0c1110 0%, #17201c 55%, #0d292a 100%);
  color: #f8f3ea;
}

.audiences-masthead::after {
  content: "";
  position: absolute;
  inset: 0 0 0 54%;
  opacity: 0.16;
  background-image:
    linear-gradient(70deg, transparent 48%, rgba(124, 231, 220, 0.38) 49%, transparent 50%),
    linear-gradient(0deg, transparent 48%, rgba(124, 231, 220, 0.22) 49%, transparent 50%);
  background-size: 90px 90px;
  transform: skewX(-8deg);
  pointer-events: none;
}

.audiences-masthead-shell {
  position: relative;
  z-index: 1;
}

.audiences-kicker {
  margin: 0 0 18px;
  color: #8fe6de;
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.17em;
}

.audiences-masthead h1 {
  max-width: 900px;
  margin: 0;
  font-family: "Iowan Old Style", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
  font-size: clamp(3rem, 7vw, 6.4rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.audiences-masthead-shell > p:last-child {
  max-width: 760px;
  margin: 28px 0 0;
  color: rgba(248, 243, 234, 0.74);
  font-size: 1.1rem;
}

.audiences-intro {
  border-bottom: 1px solid var(--line);
  background: var(--panel-soft);
}

.audiences-intro-shell {
  display: grid;
  grid-template-columns: minmax(190px, 0.35fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  padding-top: 26px;
  padding-bottom: 26px;
}

.audiences-intro strong {
  color: var(--ink);
  font-size: 1rem;
}

.audiences-intro p {
  max-width: 820px;
  margin: 0;
  color: var(--muted);
}

.audience-directory {
  padding-top: 88px;
}

.audience-groups {
  counter-reset: audience-card;
}

.audience-group {
  --audience-accent: var(--teal);
  display: grid;
  grid-template-columns: minmax(220px, 0.32fr) minmax(0, 1fr);
  gap: clamp(34px, 5vw, 74px);
  padding: 0 0 76px;
  margin: 0 0 76px;
  border-bottom: 1px solid var(--line);
}

.audience-group:nth-of-type(2) {
  --audience-accent: var(--amber);
}

.audience-group:nth-of-type(3) {
  --audience-accent: var(--blue);
}

.audience-group:nth-of-type(4) {
  --audience-accent: var(--green);
}

.audience-group:nth-of-type(5) {
  --audience-accent: var(--rust);
}

.audience-group-heading {
  position: sticky;
  top: 104px;
  align-self: start;
}

.audience-group-icon {
  display: block;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  padding: 12px;
  border: 1px solid color-mix(in srgb, var(--audience-accent) 42%, var(--line));
  border-radius: 12px;
  background: var(--panel-soft);
  background: color-mix(in srgb, var(--audience-accent) 11%, var(--panel));
  color: var(--audience-accent);
  pointer-events: none;
}

.audience-group-heading > p {
  margin: 0 0 13px;
  color: var(--audience-accent);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.13em;
}

.audience-group-heading h2 {
  margin: 0 0 16px;
  font-family: "Iowan Old Style", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
  font-size: clamp(1.8rem, 3.4vw, 2.65rem);
  line-height: 1.12;
}

.audience-group-heading span {
  display: block;
  color: var(--muted);
  line-height: 1.72;
}

.audience-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.audience-card {
  counter-increment: audience-card;
  position: relative;
  min-width: 0;
  min-height: 180px;
  padding: 64px 20px 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 0 0 rgba(20, 24, 22, 0);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.audience-card::before {
  content: counter(audience-card, decimal-leading-zero);
  position: absolute;
  inset: 18px 20px auto;
  color: var(--audience-accent);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.audience-card-icon {
  position: absolute;
  top: 14px;
  right: 18px;
  display: block;
  width: 36px;
  height: 36px;
  padding: 8px;
  border: 1px solid color-mix(in srgb, var(--audience-accent) 38%, var(--line));
  border-radius: 10px;
  background: var(--panel-soft);
  background: color-mix(in srgb, var(--audience-accent) 9%, var(--panel));
  color: var(--audience-accent);
  pointer-events: none;
}

.audience-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--audience-accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 160ms ease;
}

.audience-card:hover {
  border-color: color-mix(in srgb, var(--audience-accent) 48%, var(--line));
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.audience-card:hover::after {
  transform: scaleY(1);
}

.audience-card h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  line-height: 1.35;
}

.audience-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.89rem;
  line-height: 1.65;
}

.audiences-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
  padding: clamp(28px, 5vw, 52px);
  border-radius: calc(var(--radius) * 1.5);
  background:
    radial-gradient(circle at 94% 0%, rgba(32, 185, 196, 0.25), transparent 22rem),
    var(--dark);
  color: #f8f3ea;
}

.audiences-cta h2 {
  margin: 0 0 12px;
  font-family: "Iowan Old Style", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.1;
}

.audiences-cta p {
  max-width: 710px;
  margin: 0;
  color: rgba(248, 243, 234, 0.7);
}

.audiences-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

@media (max-width: 1100px) {
  .audience-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .audiences-intro-shell,
  .audience-group,
  .audiences-cta {
    grid-template-columns: 1fr;
  }

  .audience-group-heading {
    position: static;
    max-width: 700px;
  }

  .audiences-cta-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 580px) {
  .audiences-masthead {
    padding: 126px 0 64px;
  }

  .audiences-masthead-shell,
  .audiences-intro-shell,
  .audience-groups {
    width: min(100% - 28px, var(--max));
  }

  .audience-directory {
    padding-top: 64px;
  }

  .audience-group {
    padding-bottom: 56px;
    margin-bottom: 56px;
  }

  .audience-card-grid {
    grid-template-columns: 1fr;
  }

  .audience-card {
    min-height: 0;
  }

  .audiences-cta-actions .button {
    width: 100%;
  }
}