:root {
  --site-nav-bg: transparent;
  --site-nav-ink: #b2b2b2;
  --site-nav-highlight: #fff;
  --site-nav-line: rgba(178, 178, 178, 0.14);
  --site-nav-height: clamp(96px, 9.167vw, 176px);
  --site-nav-edge: clamp(24px, 3.333vw, 64px);
  --site-nav-button-size: clamp(56px, 4.583vw, 88px);
  --site-nav-button-gap: clamp(10px, 0.729vw, 14px);
  --site-nav-hover-lift: -2px;
  --site-nav-hover-duration: 0.22s;
  --site-nav-hover-color-duration: 0.2s;
  --site-nav-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --site-nav-hover-arrow-shift: 3px;
  --site-nav-touch-target: 44px;
  --site-nav-safe-top: env(safe-area-inset-top, 0px);
  --site-nav-safe-bottom: env(safe-area-inset-bottom, 0px);
}

.site-navbar a:hover,
.site-navbar a:focus-visible,
.contact-dialog a:hover,
.contact-dialog a:focus-visible {
  opacity: 1 !important;
}

.site-navbar {
  box-sizing: border-box;
  position: fixed;
  isolation: isolate;
  z-index: 9990;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--site-nav-height);
  padding: 0 var(--site-nav-edge);
  background: var(--site-nav-bg);
  color: var(--site-nav-ink);
  overflow: visible;
}

.site-navbar > :not(.site-nav-ablur) {
  position: relative;
  z-index: 1;
}

.site-nav-ablur {
  --site-nav-ablur-end-at: 66%;

  position: absolute;
  z-index: 0;
  top: 0;
  right: 0;
  left: 0;
  display: none;
  height: calc(var(--site-nav-height) + 1rem);
  overflow: hidden;
  pointer-events: none;
  transform: translateZ(0);
}

.site-nav-ablur::before,
.site-nav-ablur-slice {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.site-nav-ablur::before {
  z-index: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.2) 34%,
    rgba(0, 0, 0, 0.1) 68%,
    rgba(0, 0, 0, 0.0) 88%,
    rgba(0, 0, 0, 0) 100%
  );
}

.site-nav-ablur-slice {
  z-index: 1;
  -webkit-backdrop-filter: blur(var(--site-nav-ablur-radius));
  backdrop-filter: blur(var(--site-nav-ablur-radius));
  -webkit-mask-image: linear-gradient(
    to top,
    transparent 0%,
    transparent var(--site-nav-ablur-mask-start),
    #000 var(--site-nav-ablur-end-at),
    #000 100%
  );
  mask-image: linear-gradient(
    to top,
    transparent 0%,
    transparent var(--site-nav-ablur-mask-start),
    #000 var(--site-nav-ablur-end-at),
    #000 100%
  );
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
}

.site-nav-ablur-slice-add {
  -webkit-mask-composite: source-over;
  mask-composite: add;
}

.site-nav-ablur-slice-1 {
  --site-nav-ablur-radius: 4px;
  --site-nav-ablur-mask-start: 6%;
}

.site-nav-ablur-slice-2 {
  --site-nav-ablur-radius: 8px;
  --site-nav-ablur-mask-start: 12%;
}

.site-nav-ablur-slice-3 {
  --site-nav-ablur-radius: 12px;
  --site-nav-ablur-mask-start: 18%;
}

.site-nav-ablur-slice-4 {
  --site-nav-ablur-radius: 16px;
  --site-nav-ablur-mask-start: 24%;
}

.site-nav-ablur-slice-5 {
  --site-nav-ablur-radius: 20px;
  --site-nav-ablur-mask-start: 30%;
}

.site-nav-ablur-slice-6 {
  --site-nav-ablur-radius: 24px;
  --site-nav-ablur-mask-start: 36%;
}

.site-nav-ablur-slice-7 {
  --site-nav-ablur-radius: 28px;
  --site-nav-ablur-mask-start: 42%;
}

.site-nav-ablur-slice-8 {
  --site-nav-ablur-radius: 32px;
  --site-nav-ablur-mask-start: 48%;
}

.site-nav-ablur-slice-ramp {
  --site-nav-ablur-radius: 32px;

  -webkit-mask-image: linear-gradient(
    to top,
    transparent 0%,
    #000 var(--site-nav-ablur-end-at),
    #000 100%
  );
  mask-image: linear-gradient(
    to top,
    transparent 0%,
    #000 var(--site-nav-ablur-end-at),
    #000 100%
  );
}

.site-navbar-home {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-100%);
  transition:
    opacity 0.24s ease,
    transform 0.32s var(--site-nav-ease);
}

.site-home-nav-visible .site-navbar-home {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.site-navbar-home .site-nav-actions {
  margin-left: auto;
}

.site-nav-logo-link {
  display: none;
  align-items: center;
  flex: 0 0 auto;
  width: 110px;
  color: currentColor;
  text-decoration: none;
}

.site-nav-logo {
  display: block;
  width: 100%;
  height: auto;
}

.site-nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--site-nav-button-gap);
}

.site-nav-button,
.site-nav-back-icon {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--site-nav-button-size);
  height: var(--site-nav-button-size);
  min-width: var(--site-nav-button-size);
  min-height: var(--site-nav-button-size);
  padding: 0;
  border: 1px solid rgba(178, 178, 178, 0.9);
  background: var(--site-nav-ink);
  color: #000;
  line-height: 1;
  text-decoration: none;
  transition:
    background-color var(--site-nav-hover-color-duration) ease,
    border-color var(--site-nav-hover-color-duration) ease,
    transform var(--site-nav-hover-duration) var(--site-nav-ease);
}

.site-nav-button {
  appearance: none;
  cursor: pointer;
  font: inherit;
}

.site-nav-message,
.site-nav-back-icon {
  border-radius: 50%;
}

.site-nav-language-toggle {
  border-radius: clamp(14px, 1.042vw, 20px);
}

.site-nav-top-link {
  border-radius: clamp(14px, 1.042vw, 20px);
}

.site-nav-button:hover,
.site-nav-button:focus-visible,
.site-nav-back:hover .site-nav-back-icon,
.site-nav-back:focus-visible .site-nav-back-icon {
  background: var(--site-nav-highlight);
  border-color: var(--site-nav-highlight);
  transform: translateY(var(--site-nav-hover-lift));
}

.site-nav-button:focus-visible,
.site-nav-back:focus-visible {
  outline: 2px solid #37d2f5;
  outline-offset: 4px;
}

.site-nav-button-icon {
  display: block;
  pointer-events: none;
  user-select: none;
}

.site-nav-message-icon {
  width: 58%;
  height: auto;
}

.site-nav-top-icon {
  width: 48%;
  height: auto;
}

.site-nav-language-text {
  display: block;
  color: currentColor;
  font-family: var(--font-primary);
  font-size: clamp(1.8rem, 2.083vw, 2.5rem);
  font-weight: 100;
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

.site-nav-back {
  display: inline-flex;
  align-items: center;
  gap: clamp(20px, 1.667vw, 32px);
  color: var(--site-nav-ink);
  text-decoration: none;
}

.site-nav-back-icon img {
  display: block;
  width: 53%;
  height: auto;
}

.site-nav-back-text {
  color: currentColor;
  font-family: var(--font-primary);
  font-size: clamp(2rem, 2.188vw, 2.625rem);
  font-weight: 200;
  letter-spacing: 0;
  line-height: 1;
}

.site-contact-in-view .site-nav-message {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px) scale(0.96);
}

body.contact-dialog-open {
  overflow: hidden;
}

.contact-dialog {
  position: fixed;
  z-index: 10020;
  inset: 0;
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding:
    calc(48px + var(--site-nav-safe-top))
    var(--site-nav-edge)
    calc(48px + var(--site-nav-safe-bottom));
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease;
}

.contact-dialog.is-open {
  opacity: 1;
  pointer-events: auto;
}

.contact-dialog-backdrop {
  appearance: none;
  position: absolute;
  inset: 0;
  padding: 0;
  border: 0;
  background: rgba(0, 0, 0, 0.82);
  cursor: pointer;
}

@supports ((-webkit-backdrop-filter: blur(12px)) or (backdrop-filter: blur(12px))) {
  .contact-dialog-backdrop {
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }
}

.contact-dialog-panel {
  --contact-dialog-ink: #6b6b6b;
  --contact-dialog-line: #b2b2b2;
  --contact-dialog-panel-line: #404040;
  box-sizing: border-box;
  position: relative;
  width: min(1720px, calc(100vw - 96px));
  height: min(1320px, calc(100vh - 96px));
  height: min(1320px, calc(100dvh - 96px));
  max-height: min(1320px, calc(100vh - 96px));
  max-height: min(1320px, calc(100dvh - 96px));
  overflow: auto;
  padding: 0 clamp(56px, 5.208vw, 100px);
  border: 1px solid var(--contact-dialog-panel-line);
  border-radius: clamp(24px, 2.36vw, 42px);
  background: #000;
  color: var(--contact-dialog-ink);
  overscroll-behavior: contain;
  transform: translateY(18px) scale(0.985);
  transition: transform 0.32s var(--site-nav-ease);
}

.contact-dialog.is-open .contact-dialog-panel {
  transform: translateY(0) scale(1);
}

.contact-dialog-close {
  appearance: none;
  position: absolute;
  z-index: 1;
  top: clamp(18px, 1.667vw, 32px);
  right: clamp(18px, 1.667vw, 32px);
  display: none;
  align-items: center;
  justify-content: center;
  width: var(--site-nav-touch-target);
  height: var(--site-nav-touch-target);
  padding: 0;
  border: 1px solid rgba(178, 178, 178, 0.35);
  border-radius: 50%;
  background: transparent;
  color: var(--site-nav-ink);
  font-family: var(--font-primary);
  font-size: 2rem;
  font-weight: 100;
  line-height: 1;
  cursor: pointer;
  transition:
    border-color var(--site-nav-hover-color-duration) ease,
    color var(--site-nav-hover-color-duration) ease,
    transform var(--site-nav-hover-duration) var(--site-nav-ease);
}

.contact-dialog-close img {
  display: block;
  width: 20px;
  height: 20px;
  pointer-events: none;
}

.contact-dialog-close:hover,
.contact-dialog-close:focus-visible {
  border-color: var(--site-nav-highlight);
  color: var(--site-nav-highlight);
  transform: translateY(var(--site-nav-hover-lift));
}

.contact-dialog-close:focus-visible {
  outline: 2px solid #37d2f5;
  outline-offset: 4px;
}

.contact-dialog .contact-editorial-inner {
  display: flex;
  flex-direction: column;
  row-gap: 32px;
  column-gap: 0;
  width: 100%;
  margin: 0;
}

.contact-dialog .contact-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(28px, 2.083vw, 40px);
  text-align: center;
}

.contact-dialog .contact-wire-figure {
  position: relative;
  width: min(281px, 56vw);
  margin: 0;
}

.contact-dialog .contact-wire-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #000 0%, transparent 34%, transparent 72%, #000 100%);
  pointer-events: none;
}

.contact-dialog .contact-wire-image {
  display: block;
  width: 100%;
  height: auto;
}

.contact-dialog .contact-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(20px, 1.25vw, 24px);
}

.contact-dialog .contact-title {
  margin: 0;
  color: #fff;
  font-family: var(--font-primary);
  font-size: clamp(3rem, 3.033vw, 3.375rem);
  font-weight: 100;
  letter-spacing: -0.05em;
  line-height: 1.02;
  text-transform: none;
}

.contact-dialog .contact-body {
  width: min(660px, 100%);
  margin: 0;
  color: var(--contact-dialog-ink);
  font-family: var(--font-primary);
  font-size: clamp(1.125rem, 1.35vw, 1.5rem);
  font-weight: 100;
  letter-spacing: -0.05em;
  line-height: 1.4;
}

.contact-dialog .contact-social-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  border: 1px solid var(--contact-dialog-line);
}

.contact-dialog .contact-social-card {
  box-sizing: border-box;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  min-height: clamp(108px, 6.323vw, 121px);
  padding: 24px 32px;
  color: var(--contact-dialog-ink);
  text-decoration: none;
  transition:
    background-color var(--site-nav-hover-color-duration) ease,
    color var(--site-nav-hover-color-duration) ease;
}

.contact-dialog .contact-social-card:not(:first-child) {
  border-left: 1px solid var(--contact-dialog-line);
}

.contact-dialog .contact-social-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 73px;
  min-width: 0;
}

.contact-dialog .contact-social-name,
.contact-dialog .contact-social-handle {
  display: block;
  font-family: var(--font-primary);
  font-size: clamp(1.25rem, 1.458vw, 1.75rem);
  font-weight: 200;
  letter-spacing: 0.034em;
  line-height: 1.03;
  text-transform: none;
}

.contact-dialog .contact-social-name {
  color: #fff;
}

.contact-dialog .contact-social-handle {
  color: var(--contact-dialog-ink);
  font-size: clamp(1.125rem, 1.25vw, 1.5rem);
  letter-spacing: 0;
  line-height: 1.5;
}

.contact-dialog .contact-social-arrow {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: clamp(56px, 3.825vw, 73px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--contact-dialog-line);
  color: #000;
  transition:
    background-color var(--site-nav-hover-color-duration) ease,
    transform var(--site-nav-hover-duration) var(--site-nav-ease);
}

.contact-dialog .contact-social-arrow img {
  display: block;
  width: 44%;
  height: 44%;
}

.contact-dialog .contact-social-card:hover,
.contact-dialog .contact-social-card:focus-visible {
  background: rgba(178, 178, 178, 0.08);
}

.contact-dialog .contact-social-card:hover .contact-social-arrow,
.contact-dialog .contact-social-card:focus-visible .contact-social-arrow {
  background: #fff;
  transform: translate(var(--site-nav-hover-arrow-shift), calc(var(--site-nav-hover-arrow-shift) * -1));
}

.contact-dialog .contact-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(38px, 2.5vw, 48px);
  width: 100%;
}

.contact-dialog .contact-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 48px;
  row-gap: 48px;
  width: 100%;
}

.contact-dialog .contact-field {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
  color: var(--contact-dialog-ink);
  font-family: var(--font-primary);
  font-size: clamp(1.35rem, 1.458vw, 1.75rem);
  font-weight: 200;
  letter-spacing: 0;
  line-height: 1.4;
  text-transform: none;
}

.contact-dialog .contact-field-wide {
  grid-column: 1 / -1;
}

.contact-dialog .contact-field span {
  display: block;
}

.contact-dialog .contact-field input,
.contact-dialog .contact-field textarea {
  appearance: none;
  box-sizing: border-box;
  width: 100%;
  min-height: 32px;
  padding: 0 0 24px;
  border: 0;
  border-bottom: 1px solid rgba(178, 178, 178, 0.45);
  border-radius: 0;
  background: transparent;
  color: #fff;
  font: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  resize: none;
  outline: none;
}

.contact-dialog .contact-field textarea {
  resize: vertical;
}

.contact-dialog .contact-field input:focus,
.contact-dialog .contact-field textarea:focus {
  border-bottom-color: #fff;
}

.contact-dialog .contact-submit {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 197px;
  min-height: 86px;
  padding: 24px 48px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: #000;
  font-family: var(--font-primary);
  font-size: clamp(1.4rem, 1.563vw, 1.875rem);
  font-weight: 200;
  letter-spacing: 0;
  line-height: 1;
  text-transform: lowercase;
  cursor: pointer;
  transition:
    opacity var(--site-nav-hover-color-duration) ease,
    transform var(--site-nav-hover-duration) var(--site-nav-ease);
}

.contact-dialog .contact-submit:hover,
.contact-dialog .contact-submit:focus-visible {
  transform: translateY(var(--site-nav-hover-lift));
}

.contact-dialog .contact-submit:disabled {
  cursor: progress;
  opacity: 0.72;
  transform: none;
}

.contact-dialog .contact-form-status {
  min-height: 1.4em;
  margin: -22px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 200;
  letter-spacing: 0;
  line-height: 1.4;
  text-align: center;
}

.contact-dialog .contact-form-status.is-error {
  color: #ff8f8f;
}

@media screen and (max-width: 991px) {
  :root {
    --site-nav-height: 96px;
    --site-nav-button-size: 64px;
    --site-nav-edge: 24px;
  }

  .site-nav-back {
    gap: 14px;
  }

  .site-nav-back-text {
    font-size: 1.65rem;
  }

  .contact-dialog {
    min-height: 100vh;
    min-height: 100dvh;
    padding: calc(24px + var(--site-nav-safe-top)) 16px calc(24px + var(--site-nav-safe-bottom));
  }

  .contact-dialog-panel {
    height: auto;
    max-height: calc(100vh - 48px);
    max-height: calc(100dvh - 48px);
    padding: 44px 24px;
  }

  .contact-dialog-close {
    top: 14px;
    right: 14px;
    width: var(--site-nav-touch-target);
    height: var(--site-nav-touch-target);
    font-size: 1.6rem;
  }

  .contact-dialog .contact-editorial-inner {
    row-gap: 32px;
  }

  .contact-dialog .contact-title {
    font-size: clamp(2.8rem, 10vw, 3.375rem);
  }

  .contact-dialog .contact-body {
    font-size: clamp(1.2rem, 5vw, 1.5rem);
  }

  .contact-dialog .contact-social-grid,
  .contact-dialog .contact-field-grid {
    grid-template-columns: 1fr;
  }

  .contact-dialog .contact-social-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    padding: 20px;
  }

  .contact-dialog .contact-social-card:not(:first-child) {
    border-top: 1px solid var(--contact-dialog-line);
    border-left: 0;
  }

  .contact-dialog .contact-social-copy {
    width: 100%;
  }

  .contact-dialog .contact-social-handle {
    overflow-wrap: anywhere;
  }

  .contact-dialog .contact-social-arrow {
    width: clamp(48px, 13vw, 56px);
  }

  .contact-dialog .contact-field-grid {
    row-gap: 36px;
  }

  .contact-dialog .contact-submit {
    min-width: 148px;
    min-height: 64px;
    padding: 18px 34px;
  }
}

/* 手機固定 nav：控制首頁 nav logo 與按鈕尺寸。 */
@media screen and (max-width: 767px) {
  :root {
    /* --site-nav-height：手機固定 nav 高度，包含 safe-area top。 */
    --site-nav-height: calc(5.5rem + var(--site-nav-safe-top));
    /* --site-nav-edge：手機 nav 左右邊距。 */
    --site-nav-edge: 1rem;
  }

  /* .site-navbar-home：首頁固定 nav 的按鈕尺寸與上方位置。 */
  .site-navbar-home {
    align-items: flex-start;
    border-bottom: 0;
    padding-top: calc(1rem + var(--site-nav-safe-top));
  }

  .site-navbar-home,
  .site-home-nav-visible .site-navbar-home {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  /* .site-nav-logo-link：首頁 nav 的 VCX logo 尺寸與垂直位置。 */
  .site-navbar-home .site-nav-logo-link {
    display: flex;
    margin-top: 0.75rem;
  }

  /* .site-nav-actions：nav 右側按鈕群組。 */
  .site-navbar-home .site-nav-actions {
    margin-left: auto;
  }

  /* .site-nav-top-link：手機首頁 nav 隱藏回到頂部按鈕。 */
  .site-navbar-home .site-nav-top-link {
    display: none;
  }

  .site-navbar-home .site-nav-ablur {
    display: block;
  }

  .contact-dialog {
    display: block;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 0;
  }

  .contact-dialog-backdrop {
    background: #000;
  }

  .contact-dialog-panel {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    max-height: none;
    padding: 0 1rem calc(1.9375rem + var(--site-nav-safe-bottom));
    border: 0;
    border-radius: 0;
  }

  .contact-dialog-close {
    top: calc(1.75rem + var(--site-nav-safe-top));
    right: 1.75rem;
    display: inline-flex;
    width: 2.625rem;
    height: 2.625rem;
    min-width: 2.625rem;
    min-height: 2.625rem;
    border: 0;
    background: var(--contact-dialog-line);
    color: #000;
  }

  .contact-dialog-close:hover,
  .contact-dialog-close:focus-visible {
    background: #fff;
    color: #000;
  }

  .contact-dialog .contact-editorial-inner {
    gap: 1rem;
    min-height: 100%;
    padding: 0;
  }

  .contact-dialog .contact-hero {
    order: 1;
    gap: 1rem;
  }

  .contact-dialog .contact-wire-figure {
    width: min(11.5rem, 44vw);
  }

  .contact-dialog .contact-copy {
    gap: 0.5rem;
    width: 100%;
  }

  .contact-dialog .contact-title {
    font-size: 2rem;
    line-height: 1;
  }

  .contact-dialog .contact-body {
    width: 100%;
    font-size: 1.25rem;
    line-height: 1.4;
  }

  .contact-dialog .contact-form {
    order: 2;
    gap: 1rem;
  }

  .contact-dialog .contact-field-grid {
    gap: 1.5rem;
  }

  .contact-dialog .contact-field {
    gap: 0.5rem;
    font-size: 1.25rem;
    line-height: 1;
  }

  .contact-dialog .contact-field input,
  .contact-dialog .contact-field textarea {
    min-height: 1.5rem;
    padding-bottom: 1rem;
    font-size: 1.25rem;
  }

  .contact-dialog .contact-submit {
    min-width: 6rem;
    min-height: 2rem;
    padding: 1rem 1.75rem;
    font-size: 1.2rem;
  }

  .contact-dialog .contact-social-grid {
    order: 3;
  }

  .contact-dialog .contact-social-card {
    min-height: 4.375rem;
    padding: 0.75rem;
  }

  .contact-dialog .contact-social-copy {
    min-height: 2.875rem;
  }

  .contact-dialog .contact-social-name,
  .contact-dialog .contact-social-handle {
    font-size: 1rem;
    line-height: 1;
  }

  .contact-dialog .contact-social-arrow {
    width: 2.625rem;
  }
}

/* 窄手機 nav：520px 以下的額外微調。 */
@media screen and (max-width: 520px) {
  .site-nav-actions {
    --site-nav-button-gap: 0.5rem;
    gap: 0.5rem;
  }

  .site-navbar-home .site-nav-actions {
    gap: var(--site-nav-button-gap);
  }

  /* .site-nav-language-text：緊湊 nav 按鈕的預設語言文字大小。 */
  .site-nav-language-text {
    font-size: 1.5rem;
  }

  .site-nav-back-text {
    display: none;
  }

  .contact-dialog-panel {
    padding-right: 1rem;
    padding-left: 1rem;
  }
}

@media (hover: none), (pointer: coarse) {
  .site-nav-button:hover:not(:focus-visible),
  .site-nav-back:hover:not(:focus-visible) .site-nav-back-icon {
    background: var(--site-nav-ink);
    border-color: rgba(178, 178, 178, 0.9);
    transform: none;
  }

  .contact-dialog-close:hover:not(:focus-visible) {
    border-color: rgba(178, 178, 178, 0.35);
    color: var(--site-nav-ink);
    transform: none;
  }

  .contact-dialog .contact-social-card:hover:not(:focus-visible) {
    background: transparent;
  }

  .contact-dialog .contact-social-card:hover:not(:focus-visible) .contact-social-arrow {
    background: var(--contact-dialog-line);
    transform: none;
  }

  .contact-dialog .contact-submit:hover:not(:focus-visible) {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav-button,
  .site-nav-back-icon,
  .contact-dialog,
  .contact-dialog-panel,
  .contact-dialog-close,
  .contact-dialog .contact-social-arrow,
  .contact-dialog .contact-submit {
    transition: none !important;
  }
}