:root,
:root[data-xkp-theme='light'] {
  color-scheme: light;
  --xkp-page: #f5f6f7;
  --xkp-page-top: #ffffff;
  --xkp-page-mid: #f2f4f6;
  --xkp-page-bottom: #e6ebef;
  --xkp-text: #1e232c;
  --xkp-text-secondary: rgba(18, 28, 49, 0.78);
  --xkp-text-muted: rgba(30, 35, 44, 0.58);
  --xkp-text-faint: rgba(30, 35, 44, 0.38);
  --xkp-accent: #496fa3;
  --xkp-accent-soft: rgba(73, 111, 163, 0.12);
  --xkp-surface-1: rgba(255, 255, 255, 0.72);
  --xkp-surface-2: rgba(255, 255, 255, 0.54);
  --xkp-surface-3: rgba(255, 255, 255, 0.32);
  --xkp-border: rgba(24, 38, 54, 0.11);
  --xkp-border-strong: rgba(24, 38, 54, 0.22);
  --xkp-glow-a: rgba(111, 153, 211, 0.15);
  --xkp-glow-b: rgba(85, 121, 165, 0.12);
  --xkp-panel-bg: linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.46)), rgba(246, 248, 250, 0.58);
  --xkp-panel-fallback: #f7f9fa;
  --xkp-panel-shadow: 0 26px 72px rgba(42, 59, 78, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  --xkp-rule: rgba(24, 38, 54, 0.13);
  --xkp-option-bg: linear-gradient(145deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.42)), rgba(248, 250, 252, 0.54);
  --xkp-option-active-bg: linear-gradient(145deg, rgba(91, 132, 186, 0.16), rgba(91, 132, 186, 0.06)), rgba(255, 255, 255, 0.62);
  --xkp-option-active-border: rgba(73, 111, 163, 0.48);
  --xkp-option-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.82), 0 10px 26px rgba(52, 72, 96, 0.08);
  --xkp-icon-bg: rgba(255, 255, 255, 0.68);
  --xkp-field-bg: rgba(255, 255, 255, 0.66);
  --xkp-track: rgba(30, 49, 73, 0.12);
  --xkp-progress: linear-gradient(90deg, #6688b4, #8da9cb);
  --xkp-switch-bg: rgba(255, 255, 255, 0.42);
  --xkp-switch-active-bg: rgba(255, 255, 255, 0.92);
  --xkp-switch-active-shadow: 0 3px 12px rgba(43, 61, 84, 0.12);
  --xkp-primary-bg: #1a1615;
  --xkp-primary-bg-hover: #302b29;
  --xkp-primary-text: #ffffff;
  --xkp-secondary-bg: rgba(255, 255, 255, 0.42);
  --xkp-focus: rgba(73, 111, 163, 0.2);
  --xkp-error: #b85d65;
  --xkp-success: #4d7d65;
  --xkp-radius-panel: 24px;
  --xkp-radius-card: 16px;
  --xkp-radius-icon: 10px;
  --xkp-radius-pill: 999px;
  --xkp-blur-panel: 18px;
  --xkp-blur-control: 14px;
}

:root[data-xkp-theme='dark'] {
  color-scheme: dark;
  --xkp-page: #0a0a0a;
  --xkp-page-top: #0a0a0a;
  --xkp-page-mid: #0a0a0a;
  --xkp-page-bottom: #0a0a0a;
  --xkp-text: #ffffff;
  --xkp-text-secondary: rgba(255, 255, 255, 0.78);
  --xkp-text-muted: rgba(255, 255, 255, 0.5);
  --xkp-text-faint: rgba(255, 255, 255, 0.34);
  --xkp-accent: #6799fe;
  --xkp-accent-soft: rgba(103, 153, 254, 0.14);
  --xkp-surface-1: rgba(255, 255, 255, 0.06);
  --xkp-surface-2: rgba(255, 255, 255, 0.04);
  --xkp-surface-3: rgba(255, 255, 255, 0.02);
  --xkp-border: rgba(255, 255, 255, 0.08);
  --xkp-border-strong: rgba(255, 255, 255, 0.18);
  --xkp-glow-a: rgba(71, 111, 224, 0.24);
  --xkp-glow-b: rgba(35, 71, 160, 0.18);
  --xkp-panel-bg: linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018)), rgba(18, 18, 20, 0.8);
  --xkp-panel-fallback: #151517;
  --xkp-panel-shadow: 0 26px 70px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  --xkp-rule: rgba(255, 255, 255, 0.1);
  --xkp-option-bg: linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018)), rgba(18, 18, 20, 0.54);
  --xkp-option-active-bg: linear-gradient(145deg, rgba(103, 153, 254, 0.14), rgba(103, 153, 254, 0.055)), rgba(18, 18, 20, 0.62);
  --xkp-option-active-border: rgba(103, 153, 254, 0.58);
  --xkp-option-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.055), 0 10px 26px rgba(0, 0, 0, 0.12);
  --xkp-icon-bg: rgba(255, 255, 255, 0.055);
  --xkp-field-bg: rgba(255, 255, 255, 0.055);
  --xkp-track: rgba(255, 255, 255, 0.12);
  --xkp-progress: linear-gradient(90deg, #8eb4ff, #6799fe);
  --xkp-switch-bg: rgba(255, 255, 255, 0.04);
  --xkp-switch-active-bg: rgba(255, 255, 255, 0.1);
  --xkp-switch-active-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --xkp-primary-bg: #ffffff;
  --xkp-primary-bg-hover: #dce7ff;
  --xkp-primary-text: #0a0a0a;
  --xkp-secondary-bg: rgba(255, 255, 255, 0.045);
  --xkp-focus: rgba(103, 153, 254, 0.22);
  --xkp-error: #f0a5a8;
  --xkp-success: #afcdbd;
  --xkp-blur-panel: 16px;
}

.xkp-glass-page,
.xkp-glass-page *,
.xkp-glass-page *::before,
.xkp-glass-page *::after {
  box-sizing: border-box;
}

.xkp-glass-page {
  min-height: 100vh;
  min-height: 100dvh;
  padding:
    max(30px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right))
    max(42px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left));
  color: var(--xkp-text);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--xkp-page);
  background:
    radial-gradient(70% 58% at 4% 0%, var(--xkp-glow-a), transparent 62%),
    radial-gradient(64% 54% at 100% 100%, var(--xkp-glow-b), transparent 64%),
    linear-gradient(145deg, var(--xkp-page-top), var(--xkp-page-mid) 48%, var(--xkp-page-bottom));
  transition: color 180ms ease, background-color 180ms ease;
}

.xkp-glass-page [hidden] { display: none !important; }
.xkp-glass-canvas { width: min(100%, 430px); margin: 0 auto; }

.xkp-glass-panel {
  overflow: hidden;
  border: 1px solid var(--xkp-border);
  border-radius: var(--xkp-radius-panel);
  background-color: var(--xkp-panel-fallback);
  background: var(--xkp-panel-bg);
  box-shadow: var(--xkp-panel-shadow);
  -webkit-backdrop-filter: blur(var(--xkp-blur-panel)) saturate(114%);
  backdrop-filter: blur(var(--xkp-blur-panel)) saturate(114%);
}

.xkp-glass-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  background: linear-gradient(180deg, var(--xkp-surface-3), transparent);
}

.xkp-glass-brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}

.xkp-glass-logo-slot {
  position: relative;
  flex: 0 1 auto;
  width: clamp(168px, 47vw, 205px);
  aspect-ratio: 2344 / 297;
}

.xkp-glass-logo {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  transition: opacity 150ms ease;
}

.xkp-glass-logo-dark { opacity: 0; }
:root[data-xkp-theme='dark'] .xkp-glass-logo-light { opacity: 0; }
:root[data-xkp-theme='dark'] .xkp-glass-logo-dark { opacity: 1; }

.xkp-glass-product-tag,
.xkp-glass-status,
.xkp-glass-eyebrow {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.xkp-glass-product-tag {
  flex: 0 0 auto;
  color: var(--xkp-text-faint);
  font-size: 8px;
}

.xkp-glass-controls {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
}

.xkp-theme-switch,
.xkp-glass-switch {
  display: inline-grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(32px, auto);
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--xkp-border);
  border-radius: var(--xkp-radius-pill);
  background: var(--xkp-switch-bg);
  -webkit-backdrop-filter: blur(var(--xkp-blur-control)) saturate(112%);
  backdrop-filter: blur(var(--xkp-blur-control)) saturate(112%);
}

.xkp-theme-option,
.xkp-glass-switch-option {
  min-width: 32px;
  min-height: 32px;
  padding: 6px 9px;
  border: 0;
  border-radius: var(--xkp-radius-pill);
  color: var(--xkp-text-muted);
  font: inherit;
  font-size: 11px;
  line-height: 1;
  text-align: center;
  appearance: none;
  cursor: pointer;
  background: transparent;
  transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.xkp-theme-option[aria-pressed='true'],
.xkp-glass-switch-option[aria-pressed='true'] {
  color: var(--xkp-text);
  background: var(--xkp-switch-active-bg);
  box-shadow: var(--xkp-switch-active-shadow);
}

.xkp-locale-toggle {
  min-width: 64px;
  min-height: 40px;
  padding: 7px 11px;
  border: 1px solid var(--xkp-border);
  border-radius: var(--xkp-radius-pill);
  color: var(--xkp-text-faint);
  font: inherit;
  font-size: 11px;
  line-height: 1;
  text-align: center;
  appearance: none;
  cursor: pointer;
  background: var(--xkp-switch-bg);
  -webkit-backdrop-filter: blur(var(--xkp-blur-control)) saturate(112%);
  backdrop-filter: blur(var(--xkp-blur-control)) saturate(112%);
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.xkp-locale-toggle [data-active='true'] {
  color: var(--xkp-text);
  font-weight: 650;
}

.xkp-glass-rule {
  height: 1px;
  margin: 0;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--xkp-rule), transparent);
}

.xkp-glass-content { padding: 23px 18px 20px; }
.xkp-glass-intro,
.xkp-glass-actions { min-width: 0; }

.xkp-glass-eyebrow {
  margin: 0 0 10px;
  color: var(--xkp-accent);
  font-size: 9px;
}

.xkp-glass-title {
  margin: 0;
  color: var(--xkp-text);
  font-size: clamp(28px, 8vw, 34px);
  font-weight: 500;
  letter-spacing: -0.038em;
  line-height: 1.24;
}

.xkp-glass-copy {
  margin: 12px 0 0;
  color: var(--xkp-text-muted);
  font-size: 12px;
  line-height: 1.8;
}

.xkp-glass-progress {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  margin: 18px 0;
  color: var(--xkp-text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
}

.xkp-glass-progress-track {
  height: 2px;
  overflow: hidden;
  border-radius: var(--xkp-radius-pill);
  background: var(--xkp-track);
}

.xkp-glass-progress-value {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--xkp-progress);
}

.xkp-glass-option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.xkp-glass-option {
  position: relative;
  display: flex;
  width: 100%;
  min-width: 0;
  min-height: 126px;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  padding: 14px;
  border: 1px solid var(--xkp-border);
  border-radius: var(--xkp-radius-card);
  color: var(--xkp-text);
  font: inherit;
  text-align: left;
  appearance: none;
  cursor: pointer;
  background: var(--xkp-option-bg);
  box-shadow: var(--xkp-option-shadow);
  -webkit-backdrop-filter: blur(var(--xkp-blur-control)) saturate(112%);
  backdrop-filter: blur(var(--xkp-blur-control)) saturate(112%);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.xkp-glass-option[aria-checked='true'],
.xkp-glass-option[aria-pressed='true'],
.xkp-glass-option[data-active='true'] {
  border-color: var(--xkp-option-active-border);
  background: var(--xkp-option-active-bg);
}

.xkp-glass-option-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--xkp-border);
  border-radius: var(--xkp-radius-icon);
  color: var(--xkp-text-secondary);
  background: var(--xkp-icon-bg);
}

.xkp-glass-option[aria-checked='true'] .xkp-glass-option-icon,
.xkp-glass-option[aria-pressed='true'] .xkp-glass-option-icon,
.xkp-glass-option[data-active='true'] .xkp-glass-option-icon {
  color: var(--xkp-accent);
  border-color: var(--xkp-option-active-border);
  background: var(--xkp-accent-soft);
}

.xkp-glass-option-title {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.xkp-glass-option-description {
  margin: 0;
  color: var(--xkp-text-muted);
  font-size: 11px;
  line-height: 1.55;
}

.xkp-glass-field {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--xkp-border);
  border-radius: 12px;
  color: var(--xkp-text);
  font: inherit;
  font-size: 14px;
  appearance: none;
  background: var(--xkp-field-bg);
}

.xkp-glass-field::placeholder { color: var(--xkp-text-faint); }

.xkp-glass-field[aria-invalid='true'] {
  border-color: color-mix(in srgb, var(--xkp-error) 68%, transparent);
  outline: 3px solid color-mix(in srgb, var(--xkp-error) 13%, transparent);
}

.xkp-glass-field:disabled,
.xkp-glass-option:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
}

.xkp-glass-error {
  color: var(--xkp-error);
  font-size: 12px;
  line-height: 1.5;
}

.xkp-glass-result {
  padding: 18px;
  border: 1px solid var(--xkp-border);
  border-radius: var(--xkp-radius-card);
  background: var(--xkp-surface-2);
}

.xkp-glass-risk {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid currentColor;
  border-radius: var(--xkp-radius-pill);
  color: var(--xkp-accent);
  font-size: 12px;
}

.xkp-glass-risk[data-level='action'] { color: var(--xkp-error); }
.xkp-glass-risk[data-level='clear'] { color: var(--xkp-success); }

.xkp-glass-button {
  display: inline-flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 18px;
  border: 1px solid var(--xkp-border);
  border-radius: var(--xkp-radius-pill);
  color: var(--xkp-primary-text);
  font: inherit;
  font-weight: 600;
  text-align: center;
  appearance: none;
  cursor: pointer;
  background: var(--xkp-primary-bg);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.xkp-glass-button-secondary {
  color: var(--xkp-text);
  background: var(--xkp-secondary-bg);
  -webkit-backdrop-filter: blur(var(--xkp-blur-control)) saturate(112%);
  backdrop-filter: blur(var(--xkp-blur-control)) saturate(112%);
}

.xkp-glass-button:disabled {
  opacity: 0.52;
  cursor: not-allowed;
  transform: none;
}

.xkp-glass-button[aria-busy='true'] {
  opacity: 0.62;
  cursor: wait;
  transform: none;
}

.xkp-glass-footnote {
  margin: 12px 0 0;
  color: var(--xkp-text-faint);
  font-size: 10px;
  line-height: 1.6;
  text-align: center;
}

.xkp-theme-option:focus-visible,
.xkp-locale-toggle:focus-visible,
.xkp-glass-switch-option:focus-visible,
.xkp-glass-option:focus-visible,
.xkp-glass-field:focus-visible,
.xkp-glass-button:focus-visible {
  outline: 3px solid var(--xkp-focus);
  outline-offset: 2px;
}

@media (min-width: 640px) and (max-width: 1023px) {
  .xkp-glass-page {
    padding:
      max(38px, env(safe-area-inset-top))
      max(22px, env(safe-area-inset-right))
      max(48px, env(safe-area-inset-bottom))
      max(22px, env(safe-area-inset-left));
  }

  .xkp-glass-canvas { width: min(100%, 700px); }
  .xkp-glass-content { padding: 28px 24px 24px; }
  .xkp-glass-logo-slot { width: 220px; }
}

@media (min-width: 1024px) {
  .xkp-glass-page {
    display: grid;
    place-items: center;
    padding:
      max(48px, env(safe-area-inset-top))
      max(36px, env(safe-area-inset-right))
      max(48px, env(safe-area-inset-bottom))
      max(36px, env(safe-area-inset-left));
  }

  .xkp-glass-canvas { width: min(100%, 1080px); }
  .xkp-glass-panel { border-radius: 28px; }
  .xkp-glass-header { padding: 18px 28px; }

  .xkp-glass-content {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 36px;
    padding: 38px 32px 34px;
  }

  .xkp-glass-actions {
    min-width: 0;
    padding-left: 32px;
    border-left: 1px solid var(--xkp-border);
  }

  .xkp-glass-title { font-size: clamp(40px, 4vw, 48px); }
  .xkp-glass-copy { font-size: 14px; line-height: 1.85; }
  .xkp-glass-option-grid { gap: 12px; }
  .xkp-glass-option { min-height: 158px; padding: 18px; }
  .xkp-glass-option-icon { width: 38px; height: 38px; }
  .xkp-glass-option-title { font-size: 15px; }
  .xkp-glass-option-description { font-size: 12px; }
  .xkp-glass-logo-slot { width: 232px; }
}

@media (min-width: 1280px) {
  .xkp-glass-canvas { width: min(100%, 1140px); }

  .xkp-glass-content {
    grid-template-columns: minmax(300px, 0.8fr) minmax(540px, 1.2fr);
    gap: 48px;
    padding: 42px 42px 38px;
  }

  .xkp-glass-actions { padding-left: 48px; }
}

@media (max-width: 520px) {
  .xkp-glass-header {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .xkp-glass-brand { flex: 1 0 100%; }

  .xkp-glass-controls {
    width: 100%;
    justify-content: flex-end;
    gap: 5px;
  }
  .xkp-theme-option,
  .xkp-glass-switch-option { padding-inline: 7px; }

  .xkp-locale-toggle { min-width: 60px; }
}

@media (max-width: 390px) {
  .xkp-glass-product-tag,
  .xkp-glass-status,
  .xkp-switch-label-optional { display: none; }

  .xkp-glass-logo-slot { width: min(168px, 43vw); }
}

@media (max-width: 340px) {
  .xkp-glass-option-grid { grid-template-columns: 1fr; }
  .xkp-glass-header { flex-wrap: wrap; }
  .xkp-glass-controls { width: 100%; justify-content: flex-end; }
}

@media (hover: hover) {
  .xkp-locale-toggle:hover {
    border-color: var(--xkp-border-strong);
    background: var(--xkp-surface-2);
  }

  .xkp-glass-option:hover {
    transform: translateY(-2px);
    border-color: var(--xkp-border-strong);
  }

  .xkp-glass-button:hover {
    transform: translateY(-1px);
    background: var(--xkp-primary-bg-hover);
  }

  .xkp-glass-button-secondary:hover {
    border-color: var(--xkp-border-strong);
    background: var(--xkp-surface-1);
  }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .xkp-glass-panel { background: var(--xkp-panel-fallback); }
  .xkp-glass-option,
  .xkp-theme-switch,
  .xkp-glass-switch,
  .xkp-locale-toggle,
  .xkp-glass-button-secondary { background: var(--xkp-panel-fallback); }
}

@media (prefers-reduced-motion: reduce) {
  .xkp-glass-page,
  .xkp-glass-logo,
  .xkp-theme-option,
  .xkp-locale-toggle,
  .xkp-glass-switch-option,
  .xkp-glass-option,
  .xkp-glass-button { transition: none; }

  .xkp-glass-option:hover,
  .xkp-glass-button:hover { transform: none; }
}