:root {
  color-scheme: light;
  --color-page: #f3f6f7;
  --color-band: #eaf2f3;
  --color-surface: #ffffff;
  --color-surface-muted: #f7f9fa;
  --color-primary: #3f7f8c;
  --color-primary-strong: #2f6570;
  --color-primary-soft: #e7f1f2;
  --color-info: #3d6f9f;
  --color-warning: #a66d1f;
  --color-danger: #a34545;
  --color-danger-soft: #fff1f0;
  --color-text: #202b31;
  --color-text-secondary: #5f6d74;
  --color-text-tertiary: #7c898f;
  --color-border: #dfe7e9;
  --color-border-strong: #cedadd;
  --font-ui: "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --font-reading: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --radius-sm: 6px;
  --radius-card: 8px;
  --shadow-low: 0 1px 2px rgba(21, 45, 51, 0.06), 0 3px 10px rgba(21, 45, 51, 0.04);
  --shadow-card: 0 2px 6px rgba(21, 45, 51, 0.06), 0 10px 28px rgba(21, 45, 51, 0.07);
  --shadow-hover: 0 4px 12px rgba(21, 45, 51, 0.08), 0 14px 32px rgba(21, 45, 51, 0.09);
  --motion-fast: 160ms;
  --motion-base: 240ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  background: var(--color-page);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--color-page);
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  min-height: 44px;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-strong);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(calc(-100% - 24px));
  transition: transform var(--motion-fast) var(--ease-standard);
}

.skip-link:focus {
  transform: translateY(0);
}

main {
  width: 100%;
}

.content-shell {
  width: min(720px, calc(100% - 28px));
  margin-inline: auto;
}

.intro-section {
  padding: 16px 0 48px;
  background: var(--color-band);
}

.intro-shell {
  display: grid;
  gap: 12px;
}

.project-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 0;
  padding: 10px;
  border: 1px solid rgba(63, 127, 140, 0.16);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-low);
}

.project-brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 7px;
}

.project-brand img {
  width: 44px;
  height: 44px;
  flex: none;
  object-fit: contain;
}

.project-copy {
  min-width: 0;
}

.project-brand strong {
  min-width: 0;
  overflow: hidden;
  color: var(--color-text);
  font-size: 0.9375rem;
  font-weight: 750;
  line-height: 1.2;
  text-overflow: ellipsis;
}

.project-meta {
  display: grid;
  width: 8rem;
  justify-items: end;
  gap: 0;
}

.project-years {
  display: flex;
  width: auto;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  color: var(--color-primary-strong);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.project-years i {
  width: 14px;
  max-width: none;
  height: 2px;
  flex: none;
  border-radius: 1px;
  background: var(--color-primary);
}

.copy-button.project-community-copy {
  width: auto;
  min-width: 0;
  min-height: 44px;
  justify-content: flex-start;
  gap: 5px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--color-text-secondary);
  font-size: 0.5625rem;
}

.copy-button.project-community-copy strong {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.copy-button.project-community-copy svg {
  display: block;
  width: 11px;
  height: 11px;
  flex: none;
}

.copy-button.project-community-copy .qq-icon {
  width: 12px;
  height: 12px;
}

.copy-button.project-community-copy .copy-icon {
  margin-left: auto;
}

.copy-button.project-community-copy .check-icon {
  display: none;
}

.copy-button.project-community-copy[data-state="success"] .copy-icon {
  display: none;
}

.copy-button.project-community-copy[data-state="success"] .check-icon {
  display: block;
  margin-left: auto;
}

.copy-button.project-community-copy:hover,
.copy-button.project-community-copy[data-state="success"] {
  border: 0;
  background: transparent;
  color: var(--color-primary-strong);
}

.copy-button.project-community-copy:active {
  background: transparent;
  color: #285761;
}

.copy-button.project-community-copy:focus-visible {
  outline: 0;
  text-decoration: none;
}

.copy-button.project-community-copy:focus-visible .copy-icon,
.copy-button.project-community-copy:focus-visible .check-icon {
  border-radius: 2px;
  outline: 2px solid rgba(63, 127, 140, 0.34);
  outline-offset: 2px;
}

.project-description {
  margin: 3px 0 0;
  color: var(--color-text-secondary);
  font-size: 0.6875rem;
  line-height: 1.45;
}

.farewell-card {
  position: relative;
  overflow: hidden;
  padding: 28px 20px 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  color: var(--color-text);
  font-family: var(--font-reading);
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0;
  line-break: strict;
  line-height: 1.82;
  word-break: normal;
}

.farewell-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--color-primary);
  content: "";
}

.farewell-card h1 {
  margin: 0 0 28px;
  font-family: var(--font-ui);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.35;
}

.farewell-card p {
  margin: 0 0 20px;
}

.farewell-card .notice {
  margin: 0 0 28px;
  padding: 16px;
  border: 1px solid #f2ceca;
  border-left: 4px solid var(--color-danger);
  border-radius: var(--radius-sm);
  background: var(--color-danger-soft);
  color: #703434;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1.65;
}

.farewell-card .poem {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.farewell-card p:last-child {
  margin-bottom: 0;
}

.farewell-card .signature {
  margin-top: -8px;
  color: var(--color-text-secondary);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 650;
  text-align: right;
}

.nowrap {
  white-space: nowrap;
}

.feature-section,
.history {
  padding: 52px 0 64px;
}

.feature-section {
  background: var(--color-page);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.section-header h2 {
  position: relative;
  margin: 0;
  padding-left: 14px;
  font-size: 1.375rem;
  font-weight: 720;
  line-height: 1.3;
}

.section-header h2::before {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: 4px;
  border-radius: 2px;
  background: var(--color-primary);
  content: "";
}

.section-header > span {
  flex: none;
  padding: 4px 9px;
  border: 1px solid rgba(63, 127, 140, 0.2);
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.feature-overview {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
  counter-reset: overview;
}

.feature-overview article {
  position: relative;
  min-width: 0;
  padding: 20px 18px 20px 58px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-low);
  counter-increment: overview;
}

.feature-overview article::before {
  position: absolute;
  top: 20px;
  left: 18px;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  content: counter(overview, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
}

.feature-overview article:nth-child(2)::before {
  background: #edf3fa;
  color: var(--color-info);
}

.feature-overview article:nth-child(3)::before {
  background: #fff6e8;
  color: var(--color-warning);
}

.feature-overview h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.feature-overview p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.65;
}

.feature-list {
  display: grid;
  gap: 12px;
  counter-reset: feature;
}

.feature-list details {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-low);
  counter-increment: feature;
  transition: border-color var(--motion-fast) var(--ease-standard), box-shadow var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard);
}

.feature-list summary,
.history-year > summary {
  list-style: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.feature-list summary::-webkit-details-marker,
.history-year > summary::-webkit-details-marker {
  display: none;
}

.feature-list summary {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 36px;
  align-items: center;
  gap: 10px;
  min-height: 64px;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1.5;
  transition: background-color var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard);
}

.feature-list summary::before {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  content: counter(feature, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.feature-list summary::after,
.history-year > summary::after {
  width: 9px;
  height: 9px;
  justify-self: center;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  color: var(--color-primary);
  content: "";
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--motion-base) var(--ease-standard);
}

.feature-list details[open] {
  border-color: rgba(63, 127, 140, 0.38);
  box-shadow: var(--shadow-card);
}

.feature-list details[open] summary {
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

.feature-list details[open] summary::after,
.history-year[open] > summary::after {
  transform: rotate(225deg) translate(-2px, -2px);
}

.feature-list ul {
  margin: 0;
  padding: 10px 18px 18px 54px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.feature-list li {
  padding: 7px 0 7px 3px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.feature-list li::marker {
  color: var(--color-primary);
}

.history {
  background: var(--color-band);
}

.copy-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 14px;
  border: 1px solid var(--color-primary-strong);
  border-radius: var(--radius-sm);
  background: var(--color-primary-strong);
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
  touch-action: manipulation;
  transition: background-color var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard);
}

.copy-button svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.copy-button .check-icon {
  display: none;
}

.copy-button[data-state="success"]:not(.project-community-copy) {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.copy-button[data-state="success"]:not(.project-community-copy) .copy-icon {
  display: none;
}

.copy-button[data-state="success"]:not(.project-community-copy) .check-icon {
  display: block;
}

.copy-button:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.copy-button:active {
  background: #285761;
}

.copy-button:focus-visible {
  outline: 3px solid rgba(63, 127, 140, 0.3);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.copyright-section {
  padding: 52px 0 64px;
  background: var(--color-page);
}

.copyright-card {
  overflow: hidden;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.copyright-card img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.site-footer {
  padding: 24px 0 calc(24px + env(safe-area-inset-bottom));
  background: #294f57;
  color: #e8f1f2;
}

.site-footer p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  text-align: center;
}

.site-footer span {
  margin-inline: 5px;
  color: #9ebbc0;
}

.site-footer a {
  color: #ffffff;
  text-underline-offset: 3px;
  white-space: nowrap;
}

.site-footer a:hover {
  color: #d5f1f4;
}

.site-footer a:focus-visible {
  border-radius: 2px;
  outline: 3px solid rgba(255, 255, 255, 0.48);
  outline-offset: 3px;
}

.history-header {
  margin-bottom: 20px;
}

.history-years {
  display: grid;
  gap: 14px;
}

.history-year {
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-low);
  transition: border-color var(--motion-fast) var(--ease-standard), box-shadow var(--motion-base) var(--ease-standard);
}

.history-year > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 40px;
  align-items: center;
  min-height: 72px;
  padding: 12px 12px 12px 18px;
  scroll-margin-top: 16px;
  cursor: pointer;
  transition: background-color var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard);
}

.history-year[open] {
  border-color: rgba(63, 127, 140, 0.36);
  box-shadow: var(--shadow-card);
}

.history-year[open] > summary {
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

.history-year-label {
  font-size: 1.1875rem;
  font-weight: 720;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}

.history-count {
  min-width: 30px;
  padding: 3px 7px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface-muted);
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.history-year[open] .history-count {
  border-color: rgba(63, 127, 140, 0.22);
  background: var(--color-surface);
  color: var(--color-primary-strong);
}

.history-track {
  position: relative;
  padding: 6px 16px 16px 34px;
  border-top: 1px solid var(--color-border);
}

.history-track::before {
  position: absolute;
  top: 29px;
  bottom: 30px;
  left: 22px;
  width: 2px;
  border-radius: 1px;
  background: var(--color-border-strong);
  content: "";
}

.update-entry {
  position: relative;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.update-entry::before {
  position: absolute;
  top: 27px;
  left: -17px;
  z-index: 1;
  width: 10px;
  height: 10px;
  border: 2px solid var(--color-surface);
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(63, 127, 140, 0.18);
  content: "";
}

.update-entry:nth-child(3n + 2)::before {
  background: var(--color-info);
  box-shadow: 0 0 0 2px rgba(61, 111, 159, 0.16);
}

.update-entry:nth-child(3n)::before {
  background: var(--color-warning);
  box-shadow: 0 0 0 2px rgba(166, 109, 31, 0.16);
}

.update-entry:last-child {
  border-bottom: 0;
}

.update-date {
  display: block;
  margin-bottom: 10px;
  color: var(--color-primary-strong);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}

.update-copy {
  min-width: 0;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.68;
  overflow-wrap: anywhere;
}

.update-copy p,
.update-copy ol,
.update-copy ul {
  margin-top: 0;
  margin-bottom: 12px;
}

.update-copy > *:last-child,
.update-copy li > *:last-child {
  margin-bottom: 0;
}

.update-copy ol,
.update-copy ul {
  padding-left: 22px;
}

.update-copy li {
  padding: 3px 0 3px 2px;
}

.update-copy li::marker {
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}

.update-copy strong {
  color: var(--color-text);
  font-weight: 700;
}

.update-copy code {
  padding: 2px 5px;
  border: 1px solid var(--color-border-strong);
  border-radius: 4px;
  background: var(--color-surface-muted);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.custom-block {
  margin: 16px 0;
  padding: 14px 16px;
  border: 1px solid rgba(63, 127, 140, 0.2);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
}

.custom-block-title {
  color: var(--color-primary-strong);
  font-weight: 700;
}

.feature-list summary:focus-visible,
.history-year > summary:focus-visible,
.skip-link:focus-visible {
  outline: 3px solid rgba(63, 127, 140, 0.42);
  outline-offset: 2px;
}

::selection {
  background: var(--color-primary);
  color: #ffffff;
}

@media (hover: hover) {
  .feature-list details:hover,
  .history-year:hover {
    border-color: rgba(63, 127, 140, 0.34);
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
  }

  .feature-list summary:hover,
  .history-year > summary:hover {
    background: var(--color-surface-muted);
  }

  .feature-list details[open] summary:hover,
  .history-year[open] > summary:hover {
    background: var(--color-primary-soft);
  }
}

@media (min-width: 320px) {
  .project-card {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    column-gap: 7px;
    row-gap: 3px;
  }

  .project-brand,
  .project-copy,
  .project-meta {
    display: contents;
  }

  .project-brand img {
    grid-row: 1 / 3;
    grid-column: 1;
    align-self: center;
  }

  .project-brand strong {
    grid-row: 1;
    grid-column: 2;
    align-self: baseline;
  }

  .project-description {
    grid-row: 2;
    grid-column: 2;
    align-self: start;
    margin-top: 0;
  }

  .project-years {
    grid-row: 1;
    grid-column: 3;
    align-self: baseline;
    justify-self: end;
  }

  .copy-button.project-community-copy {
    position: relative;
    grid-row: 2;
    grid-column: 3;
    min-height: 0;
    height: 1rem;
    align-self: start;
    justify-self: end;
    gap: 3px;
  }

  .copy-button.project-community-copy::before {
    position: absolute;
    inset: -14px -4px;
    content: "";
  }
}

@media (min-width: 640px) {
  .content-shell {
    width: min(720px, calc(100% - 48px));
  }

  .intro-section {
    padding-top: 24px;
    padding-bottom: 64px;
  }

  .intro-shell {
    gap: 16px;
  }

  .project-card {
    grid-template-columns: 48px minmax(0, 1fr) auto;
    align-content: center;
    column-gap: 14px;
    row-gap: 2px;
    min-height: 80px;
    padding-inline: 16px;
  }

  .copy-button.project-community-copy {
    gap: 5px;
  }

  .project-brand {
    gap: 8px;
  }

  .project-brand img {
    width: 48px;
    height: 48px;
  }

  .project-brand strong {
    font-size: 1.0625rem;
  }

  .project-description {
    font-size: 0.75rem;
  }

  .project-years {
    justify-self: end;
    gap: 4px;
    font-size: 0.75rem;
  }

  .project-years i {
    width: 16px;
  }

  .farewell-card {
    padding: 40px 42px 44px;
    font-size: 1.0625rem;
    line-height: 1.9;
  }

  .farewell-card h1 {
    font-size: 1.875rem;
  }

  .farewell-card .notice {
    line-height: 1.75;
  }

  .feature-section,
  .history,
  .copyright-section {
    padding-top: 68px;
    padding-bottom: 80px;
  }

  .section-header {
    margin-bottom: 24px;
  }

  .section-header h2 {
    font-size: 1.6875rem;
  }

  .feature-overview article {
    padding: 22px 22px 22px 64px;
  }

  .feature-overview article::before {
    left: 22px;
  }

  .feature-overview h3 {
    font-size: 1.1875rem;
  }

  .feature-overview p {
    font-size: 1rem;
    line-height: 1.75;
  }

  .feature-list summary {
    grid-template-columns: 38px minmax(0, 1fr) 40px;
    gap: 12px;
    min-height: 68px;
    padding-inline: 16px;
    font-size: 1rem;
  }

  .feature-list ul {
    padding: 14px 24px 22px 68px;
  }

  .feature-list li {
    font-size: 1rem;
    line-height: 1.7;
  }

  .history-year > summary {
    min-height: 78px;
    padding-inline: 22px 16px;
  }

  .history-year-label {
    font-size: 1.4375rem;
  }

  .history-track {
    padding: 8px 28px 22px 48px;
  }

  .history-track::before {
    left: 30px;
  }

  .update-entry {
    padding: 24px 0;
  }

  .update-entry::before {
    top: 31px;
    left: -23px;
  }

  .update-date {
    font-size: 1rem;
  }

  .update-copy {
    font-size: 1rem;
    line-height: 1.75;
  }

  .site-footer p {
    font-size: 1rem;
    line-height: 1.7;
  }
}

@media (min-width: 1024px) {
  .content-shell {
    width: 720px;
  }

  .intro-section {
    padding-top: 32px;
    padding-bottom: 72px;
  }

  .farewell-card {
    padding-inline: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  body,
  .intro-section,
  .feature-section,
  .history,
  .copyright-section {
    background: #ffffff;
  }

  .content-shell {
    width: 100%;
  }

  .project-card,
  .farewell-card,
  .feature-overview article,
  .feature-list details,
  .history-year {
    box-shadow: none;
  }

  .copyright-card {
    box-shadow: none;
  }
}