:root {
  --color-bg: #1E1633;
  --color-panel: #2A2049;
  --color-panel-raised: #372A5F;
  --color-border: #4A3B7C;
  --color-accent: #9E6BFF;
  --color-accent-deep: #7C4DE0;
  --color-text: #F4F0FD;
  --color-text-muted: #A79BCB;
  --color-success: #A8E830;
  --color-warning: #FFB020;
  --color-error: #FF4E6A;
  --color-pink: #FF4EA8;
  --color-ink: #150F26;
  --color-shadow: rgba(10, 6, 24, 0.6);
  --color-shadow-soft: rgba(10, 6, 24, 0.45);
  --color-shadow-light: rgba(10, 6, 24, 0.28);
  --color-accent-glass: rgba(158, 107, 255, 0.18);
  --color-accent-border: rgba(158, 107, 255, 0.35);
  --color-accent-glow: rgba(158, 107, 255, 0.26);
  --color-pink-glow: rgba(255, 78, 168, 0.4);
  --color-pink-border: rgba(255, 78, 168, 0.55);
  --color-green-glass: rgba(168, 232, 48, 0.22);
  --color-panel-glass: rgba(42, 32, 73, 0.62);
  --color-pane-glass: rgba(55, 42, 95, 0.5);
  --color-pane-edge: rgba(158, 107, 255, 0.2);
  --color-white-line: rgba(244, 240, 253, 0.16);
  --color-white-faint: rgba(244, 240, 253, 0.06);
  --color-star: rgba(244, 240, 253, 0.14);
  --color-star-dim: rgba(244, 240, 253, 0.08);
  --color-overlay: rgba(21, 15, 38, 0.72);
  --font-display: 'Inter', 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, 'Courier New', monospace;
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-device: 14px;
  --radius-pill: 999px;
  --edge-spectrum: conic-gradient(from 215deg, var(--color-pink), var(--color-accent) 32%, var(--color-success) 60%, var(--color-accent) 82%, var(--color-pink));
  --panel-gradient: linear-gradient(180deg, var(--color-panel-raised), var(--color-panel));
  --device-gradient: linear-gradient(180deg, var(--color-panel-raised), var(--color-panel));
  --shadow-deep: 0 30px 70px var(--color-shadow), 0 10px 26px var(--color-shadow-soft);
  --shadow-card: 0 18px 40px var(--color-shadow-light);
  --shadow-device: 0 0 46px var(--color-accent-glow);
  --shadow-pink-text: 0 0 26px var(--color-pink-glow);
  --content-max: 1280px;
  --reading-max: 820px;
  --header-height: 64px;
  --gutter: clamp(16px, 4vw, 32px);
  --section-space: clamp(64px, 9vw, 116px);
  --transition-fast: 150ms ease;
  --transition-reveal: 600ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--color-bg);
}

html.nav-open {
  overflow: hidden;
}

body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  overflow-x: clip;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 18% 24%, var(--color-accent-glass), transparent 31%),
    radial-gradient(circle at 82% 67%, var(--color-pink-glow), transparent 28%),
    var(--color-bg);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.16;
  background-image:
    linear-gradient(var(--color-star-dim) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-star-dim) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, var(--color-ink), transparent 78%);
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

a {
  color: var(--color-text);
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--color-text);
}

p,
h1,
h2,
h3,
h4,
ul,
ol,
dl,
dd,
blockquote,
pre,
figure {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--color-text);
  font-family: var(--font-display);
  text-wrap: balance;
}

h1 {
  max-width: 100%;
  margin-bottom: 20px;
  font-size: clamp(34px, 4.4vw, 48px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.01em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(27px, 3.4vw, 38px);
  font-weight: 850;
  line-height: 1.2;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 800;
  line-height: 1.3;
}

h4 {
  margin-bottom: 10px;
  font-size: 17px;
  font-weight: 800;
}

p {
  margin-bottom: 1.15em;
}

strong {
  color: var(--color-text);
  font-weight: 750;
}

small {
  color: var(--color-text-muted);
}

code,
kbd,
samp {
  color: var(--color-text);
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
}

:not(pre) > code {
  padding: 0.15em 0.38em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
  color: var(--color-text);
}

pre {
  max-width: 100%;
  padding: 20px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  -webkit-overflow-scrolling: touch;
}

pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  white-space: pre;
  overflow-wrap: normal;
}

table {
  border-collapse: collapse;
}

th,
td {
  padding: 13px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-weight: 800;
}

td {
  background: var(--color-panel);
  color: var(--color-text-muted);
}

::selection {
  background: var(--color-pink);
  color: var(--color-ink);
}

:focus-visible {
  outline: 2px solid var(--color-success);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.wrap {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.reading-wrap {
  width: 100%;
  max-width: calc(var(--reading-max) + (var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  overflow-x: clip;
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.section--compact {
  padding-top: clamp(44px, 6vw, 72px);
  padding-bottom: clamp(44px, 6vw, 72px);
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-success);
  content: "";
}

.title-key {
  display: inline-block;
  color: var(--color-pink);
  text-shadow: var(--shadow-pink-text);
}

.title-tilt {
  display: inline-block;
  transform: rotate(-3deg);
}

.no-break {
  white-space: nowrap;
}

.muted {
  color: var(--color-text-muted);
}

.mono {
  font-family: var(--font-mono);
}

.dot {
  width: 7px;
  height: 7px;
  display: inline-block;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-accent);
}

.dot--proxy {
  background: var(--color-accent);
}

.dot--direct {
  background: var(--color-success);
}

.dot--reject {
  background: var(--color-pink);
}

.dot--warn {
  background: var(--color-warning);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.chip-row--center {
  justify-content: center;
}

.chip {
  max-width: 100%;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 13px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel-glass);
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.4;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.btn-row--center {
  justify-content: center;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 10px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn--primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-ink);
  box-shadow: 0 10px 26px var(--color-accent-glow);
}

.btn--primary:hover {
  border-color: var(--color-accent-deep);
  background: var(--color-accent-deep);
  color: var(--color-text);
}

.btn--secondary {
  border-color: var(--color-pink-border);
  background: var(--color-panel);
  color: var(--color-text);
}

.btn--secondary:hover {
  border-color: var(--color-pink);
  background: var(--color-panel-raised);
  color: var(--color-text);
  box-shadow: 0 0 22px var(--color-pink-glow);
}

.btn--quiet {
  border-color: var(--color-border);
  background: transparent;
  color: var(--color-text);
}

.btn--quiet:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-glass);
  color: var(--color-text);
}

.btn[disabled],
.btn.is-disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.panel,
.card {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.panel {
  padding: clamp(20px, 3vw, 32px);
}

.card {
  padding: 22px;
}

.neon-edge {
  position: relative;
  padding: 2px;
  border: 0;
  border-radius: var(--radius-device);
  background: var(--edge-spectrum);
  box-shadow: var(--shadow-card), var(--shadow-device);
}

.neon-edge > .neon-edge__inside {
  height: 100%;
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
}

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

.card-grid > * {
  min-width: 0;
}

.prose {
  color: var(--color-text-muted);
}

.prose h2,
.prose h3,
.prose h4,
.prose strong,
.prose a {
  color: var(--color-text);
}

.prose h2 {
  margin-top: 2.1em;
}

.prose h3 {
  margin-top: 1.7em;
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
}

.prose li {
  margin-bottom: 0.55em;
}

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  min-width: 640px;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

.reveal.shown {
  opacity: 1;
  transform: none;
}

.site-header {
  position: relative;
  z-index: 100;
  width: 100%;
}

.site-header__bar {
  width: 100%;
  max-width: var(--content-max);
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 22px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-brand {
  min-width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 850;
  text-decoration: none;
}

.site-brand__logo {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
}

.site-brand__name {
  font-size: 15px;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.site-nav a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 13.5px;
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-nav a:hover {
  color: var(--color-text);
}

.site-nav a.is-active {
  background: var(--color-accent-glass);
  color: var(--color-text);
  box-shadow: inset 0 0 0 1px var(--color-accent-border);
}

.header-tools {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
}

.language-switcher {
  position: relative;
}

.language-button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-text-muted);
  cursor: pointer;
  white-space: nowrap;
}

.language-button:hover,
.language-button[aria-expanded="true"] {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.language-button__short {
  display: none;
}

.language-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 4;
  width: 164px;
  padding: 7px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-text);
  box-shadow: var(--shadow-deep);
}

.language-menu a {
  min-height: 40px;
  display: flex;
  align-items: center;
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius-xs);
  color: var(--color-text-muted);
  text-decoration: none;
}

.language-menu a:hover,
.language-menu a[aria-current="true"] {
  background: var(--color-panel-raised);
  color: var(--color-text);
}

.menu-toggle {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-text);
  cursor: pointer;
}

.menu-toggle svg {
  width: 21px;
  height: 21px;
}

.mobile-nav {
  display: none;
}

.mobile-nav__group {
  padding: 7px 0;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__label {
  display: block;
  padding: 8px var(--gutter);
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.mobile-nav a {
  width: 100%;
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 12px var(--gutter);
  color: var(--color-text);
  text-decoration: none;
}

.mobile-nav a:hover,
.mobile-nav a.is-active,
.mobile-nav a[aria-current="true"] {
  background: var(--color-panel-raised);
  color: var(--color-text);
}

.nav-veil {
  display: none;
}

.site-footer {
  position: relative;
  overflow-x: clip;
  border-top: 1px solid var(--color-border);
  background: var(--color-ink);
  color: var(--color-text);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 1.4fr 0.8fr;
  gap: 34px;
  padding-top: 58px;
  padding-bottom: 44px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--color-text);
  font-weight: 850;
  text-decoration: none;
}

.footer-brand img {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
}

.footer-copy {
  max-width: 330px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.footer-heading {
  margin-bottom: 15px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links--keywords {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.footer-links a {
  min-width: 0;
  color: var(--color-text-muted);
  font-size: 13px;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-text);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  padding-bottom: 28px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 12px;
}

.hero-shell {
  position: relative;
  overflow-x: clip;
}

.hero-center {
  width: 100%;
  max-width: var(--content-max);
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-inline: auto;
  padding: 14px var(--gutter) 0;
  text-align: center;
}

.hero-center__summary {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 15px;
}

.hero-center__summary strong {
  color: var(--color-text);
}

.platform-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 22px;
}

.platform-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-text-muted);
  font-size: 12.5px;
  text-decoration: none;
}

.platform-link:hover {
  color: var(--color-text);
}

.platform-link svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.platform-link--hot {
  color: var(--color-pink);
  filter: drop-shadow(0 0 8px var(--color-pink-glow));
}

@media (max-width: 1040px) {
  .site-nav a {
    padding-inline: 10px;
  }

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

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

@media (max-width: 880px) {
  .site-nav,
  .language-switcher {
    display: none;
  }

  .header-tools {
    margin-left: auto;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-header.is-open {
    position: relative;
    z-index: 200;
  }

  .site-header.is-open .mobile-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    z-index: 202;
    display: block;
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
    overscroll-behavior: contain;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
  }

  .site-header.is-open .nav-veil {
    position: fixed;
    inset: var(--header-height) 0 0;
    z-index: 199;
    display: block;
    background: var(--color-overlay);
  }

  h1 {
    font-size: clamp(24px, 6.2vw, 30px);
  }

  h2 {
    font-size: clamp(24px, 5.5vw, 31px);
  }
}

@media (max-width: 640px) {
  :root {
    --gutter: 16px;
  }

  .title-tilt,
  .tilt,
  [class*="tilt-"] {
    transform: none;
  }

  .site-header__bar {
    gap: 10px;
  }

  .site-brand__name {
    font-size: 14px;
  }

  .language-button__full {
    display: none;
  }

  .language-button__short {
    display: inline;
  }

  .card-grid,
  .site-footer__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-links--keywords {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer__bottom {
    flex-direction: column;
  }

  .btn-row {
    width: 100%;
  }

  .btn-row .btn {
    flex: 1 1 140px;
  }

  .chip-row {
    flex-direction: row;
    justify-content: center;
  }

  .platform-row {
    gap: 13px;
  }

  .data-table {
    min-width: 580px;
  }

  pre {
    padding: 16px;
    font-size: 12px;
  }
}

@media (max-width: 390px) {
  .site-brand__name {
    max-width: 128px;
    line-height: 1.25;
  }

  .btn-row .btn {
    flex-basis: 100%;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}