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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
ul,
ol,
dl,
dd {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
}

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

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

[hidden] {
  display: none !important;
}

:root {
  --header-h: 72px;
  --container: 1180px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.18);
  --shadow-md: 0 14px 30px rgba(0, 0, 0, 0.22);
  --color-page: #1A1F2E;
  --color-panel: #232A3B;
  --color-card: #FFFFFF;
  --color-orange-start: #FF7A00;
  --color-orange-end: #FFB800;
  --gradient-heat: linear-gradient(135deg, #FF7A00, #FFB800);
  --color-android: #00C2A8;
  --color-ios: #9B5CFF;
  --color-tool: #FFD400;
  --color-accent: #39FF88;
  --color-blue: #2D6BFF;
  --color-red: #FF3B3B;
  --color-gray: #9AA5B5;
  --tag-one: #FF8C42;
  --tag-two: #4DABF7;
  --text: #E8ECF4;
  --text-dim: #B9C2D4;
  --text-invert: #1A1F2E;
  --border: #3A4256;
  --font-head: 'ZCOOL KuaiLe', 'Noto Sans SC', 'PingFang SC', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
}

body {
  background-color: var(--color-page);
  background-image:
    radial-gradient(circle at 15% -10%, rgba(255, 122, 0, 0.18), transparent 42%),
    radial-gradient(circle at 90% 0%, rgba(155, 92, 255, 0.16), transparent 38%),
    linear-gradient(180deg, var(--color-page), var(--color-panel));
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#main-content {
  display: block;
  min-height: 60vh;
  outline: none;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1100;
  background: var(--color-accent);
  color: var(--text-invert);
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 700;
  transform: translateY(-200%);
  transition: transform 0.2s ease;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: linear-gradient(180deg, rgba(26, 31, 46, 0.78), rgba(26, 31, 46, 0));
  border-bottom: 1px solid transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(26, 31, 46, 0.96);
  border-bottom-color: var(--border);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.24);
}

.site-header[data-open],
.site-header.is-scrolled[data-open] {
  background: var(--color-page);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.site-brand__mark {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--gradient-heat);
  border-radius: 50% 50% 50% 10px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.28);
}

.site-brand__wheel {
  position: absolute;
  border: 3px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  width: 22px;
  height: 22px;
}

.site-brand__wheel--small {
  width: 10px;
  height: 10px;
  border: 0;
  background: #fff;
}

.site-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.site-brand__name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.35rem;
  color: #fff;
  letter-spacing: 0.02em;
}

.site-brand__suffix {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

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

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.site-nav__list a {
  display: block;
  padding: 8px 13px;
  border-radius: 999px;
  color: #D6DCE8;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-nav__list a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.site-nav__list a[aria-current="page"] {
  background: var(--color-orange-start);
  color: #fff;
}

.season-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--gradient-heat);
  color: var(--text-invert);
  font-weight: 900;
  font-size: 0.8rem;
  line-height: 1;
  padding: 8px 13px;
  border-radius: 999px;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.18), var(--shadow-sm);
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.season-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3), var(--shadow-md);
}

.site-nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--color-panel);
  transition: background-color 0.2s ease;
}

.site-nav__toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

.site-nav__toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  margin: 3px auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-footer {
  position: relative;
  background: var(--color-panel);
  margin-top: auto;
}

.site-footer::before {
  content: "";
  display: block;
  height: 6px;
  background: linear-gradient(90deg, #FF7A00, #FFB800, #39FF88, #00C2A8, #9B5CFF, #FFD400);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) auto auto;
  gap: 44px;
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
  padding: 52px 0 32px;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.site-footer__logo {
  display: inline-block;
  background: var(--gradient-heat);
  color: var(--text-invert);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.8rem;
  line-height: 1.2;
  padding: 6px 16px 4px;
  border-radius: 12px;
  transform: rotate(-1deg);
}

.site-footer__desc {
  color: var(--text-dim);
  font-size: 0.85rem;
  max-width: 300px;
}

.site-footer__title {
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.site-footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-footer__col a {
  display: inline-block;
  padding: 4px 0;
  color: #D6DCE8;
  font-size: 0.9rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.site-footer__col a:hover {
  color: var(--color-accent);
  transform: translateX(2px);
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-footer__contact span {
  color: #D6DCE8;
  font-size: 0.9rem;
  padding: 4px 0;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
  padding: 18px 0 24px;
  border-top: 1px solid var(--border);
  color: var(--color-gray);
  font-size: 0.8rem;
}

.container,
.content {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.page-hero {
  padding: calc(var(--header-h) + 44px) 0 44px;
}

.page-hero--cover {
  margin-top: calc(-1 * var(--header-h));
  padding-top: calc(var(--header-h) + 64px);
  padding-bottom: 48px;
  background: var(--gradient-heat);
  color: var(--text-invert);
  border-radius: 0 0 32px 32px;
}

.page-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.12;
  max-width: 900px;
}

.page-hero__lead {
  margin-top: 14px;
  font-size: 1rem;
  max-width: 680px;
  opacity: 0.86;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0;
  font-size: 0.85rem;
  color: var(--color-gray);
}

.breadcrumb a {
  color: var(--tag-two);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--border);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.2;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--gradient-heat);
  color: var(--text-invert);
}

.btn--accent {
  background: var(--color-accent);
  color: var(--text-invert);
}

.btn--update {
  background: var(--color-accent);
  color: var(--text-invert);
  font-family: var(--font-mono);
  font-weight: 700;
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn--android {
  background: var(--color-android);
  color: var(--text-invert);
}

.btn--ios {
  background: var(--color-ios);
  color: #fff;
}

.btn--tool {
  background: var(--color-tool);
  color: var(--text-invert);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-card);
  color: var(--text-invert);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card__bar {
  display: block;
  flex: none;
  height: 6px;
  background: var(--color-gray);
}

.card__bar--hot {
  background: var(--gradient-heat);
}

.card__bar--android {
  background: var(--color-android);
}

.card__bar--ios {
  background: var(--color-ios);
}

.card__bar--tool {
  background: var(--color-tool);
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
}

.card__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.3;
}

.card__text {
  font-size: 0.85rem;
  color: #2A3144;
  line-height: 1.55;
}

.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 120px;
  gap: 14px;
}

.mosaic-grid__item {
  grid-column: span 2;
  grid-row: span 1;
}

.mosaic-grid__item--wide {
  grid-column: span 4;
}

.mosaic-grid__item--tall {
  grid-row: span 2;
}

.entry-list {
  display: flex;
  flex-direction: column;
  background: var(--color-card);
  color: var(--text-invert);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.entry-list__row {
  display: grid;
  grid-template-columns: 52px minmax(160px, 1.2fr) minmax(180px, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid #E4E8EF;
}

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

.entry-list__row:hover {
  background: #F7F8FC;
}

.entry-list__index {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-ios);
  font-size: 0.9rem;
}

.entry-list__main {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.entry-list__main strong {
  font-size: 0.95rem;
}

.entry-list__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: #566079;
  font-size: 0.8rem;
}

.entry-list__actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  align-items: center;
}

.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--tag-one);
  color: var(--text-invert);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

.tag--blue {
  background: var(--tag-two);
  color: #0A2540;
}

.tag--tool {
  background: var(--color-tool);
  color: var(--text-invert);
}

.tag--android {
  background: var(--color-android);
  color: var(--text-invert);
}

.tag--ios {
  background: var(--color-ios);
  color: #fff;
}

.tag--accent {
  background: var(--color-accent);
  color: var(--text-invert);
}

.tag--muted {
  background: #E4E8EF;
  color: #4A5468;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
}

.tag-cloud .tag--lg {
  font-size: 1.2rem;
  padding: 9px 16px;
}

.tag-cloud .tag--md {
  font-size: 1rem;
  padding: 7px 13px;
}

.tag-cloud .tag--sm {
  font-size: 0.72rem;
  padding: 5px 9px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #E4E8EF;
  color: #4A5468;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
}

.status-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

.status-badge--updated {
  background: #DCE6FF;
  color: #123D9C;
}

.status-badge--outdated {
  background: #FFE0E0;
  color: #B81E1E;
}

.status-badge--archived {
  background: #E4E8EF;
  color: #4A5468;
}

.corner-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border-radius: 8px;
  background: var(--color-accent);
  color: var(--text-invert);
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1.2;
}

.index-num {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  background: var(--color-panel);
  color: var(--color-accent);
}

.metric-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.metric-bar__track {
  flex: 1;
  height: 8px;
  background: var(--color-page);
  border-radius: 999px;
  overflow: hidden;
}

.metric-bar__fill {
  display: block;
  height: 100%;
  background: var(--gradient-heat);
  border-radius: 999px;
}

.metric-bar__value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
}

.index-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 12px 14px;
  background: var(--color-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.index-bar__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border-radius: 999px;
  background: var(--color-page);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.index-bar__item:hover {
  border-color: var(--color-accent);
}

.index-bar__item.is-active {
  background: var(--color-accent);
  color: var(--text-invert);
  border-color: var(--color-accent);
  font-weight: 700;
}

.scroller {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
}

.scroller__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 260px;
}

.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline__item {
  position: relative;
  padding: 0 0 28px 22px;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-page);
}

.timeline__date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-orange-end);
  font-weight: 700;
}

.timeline__title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 900;
  margin: 2px 0 6px;
}

.timeline__body {
  font-size: 0.85rem;
  color: var(--text-dim);
  max-width: 720px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.compare-table th,
.compare-table td {
  border: 1px solid var(--border);
  padding: 12px;
  text-align: left;
  vertical-align: top;
}

.compare-table thead th {
  background: var(--color-panel);
  color: var(--text);
  font-weight: 700;
}

.compare-table tbody tr:not(:last-child) {
  border-bottom: 1px solid var(--border);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.steps__item {
  position: relative;
  background: var(--color-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px 16px;
}

.steps__num {
  display: inline-flex;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.steps__title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.steps__text {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.section--android {
  background: var(--color-android);
  color: var(--text-invert);
}

.section--ios {
  background: var(--color-ios);
  color: #fff;
}

.section--tool {
  background: var(--color-tool);
  color: var(--text-invert);
}

.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--color-panel);
  background-image: repeating-linear-gradient(45deg, #1A1F2E 0 8px, #232A3B 8px 16px);
  aspect-ratio: 4 / 3;
}

.media-frame--square {
  aspect-ratio: 1 / 1;
}

.media-frame--wide {
  aspect-ratio: 16 / 9;
}

.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 961px) {
  .site-nav__toggle {
    display: none;
  }

  .site-nav[data-open] {
    display: block;
  }
}

@media (max-width: 960px) {
  :root {
    --header-h: 64px;
  }

  .site-header {
    height: var(--header-h);
  }

  .site-header__inner {
    gap: 10px;
  }

  .site-brand__suffix {
    display: none;
  }

  .site-nav__toggle {
    display: inline-flex;
    flex-shrink: 0;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    margin-left: 0;
    background: var(--color-page);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px 16px;
    max-height: 0;
    visibility: hidden;
    overflow: hidden;
    transition: max-height 0.25s ease, visibility 0.25s ease;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
  }

  .site-nav[data-open] {
    max-height: 80vh;
    overflow-y: auto;
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .site-nav__list a {
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 1rem;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 40px 0 24px;
  }

  .site-footer__bottom {
    justify-content: center;
    text-align: center;
  }

  .entry-list__row {
    grid-template-columns: 40px 1fr;
    gap: 8px 12px;
  }

  .entry-list__actions {
    grid-column: 2;
    justify-content: flex-start;
  }

  .mosaic-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .mosaic-grid__item,
  .mosaic-grid__item--wide,
  .mosaic-grid__item--tall {
    grid-column: span 1;
    grid-row: span 1;
  }
}

@media (max-width: 620px) {
  .site-brand__mark {
    width: 36px;
    height: 36px;
  }

  .site-brand__name {
    font-size: 1.1rem;
  }

  .season-badge {
    padding: 6px 9px;
    font-size: 0.7rem;
  }

  .site-header__inner {
    width: min(100% - 20px, var(--container));
  }

  .container,
  .content {
    width: min(100% - 20px, var(--container));
  }

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

  .page-hero--cover {
    border-radius: 0 0 22px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}