/* =====================================================
   63棋牌中心 · 共享样式
   /assets/site.css
   ===================================================== */

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: #2b1e16;
  background: #f5ebdd;
  min-height: 100vh;
  overflow-x: hidden;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: Georgia, 'Times New Roman', 'Songti SC', 'SimSun', serif;
  font-weight: 700;
  line-height: 1.25;
  color: #2b1e16;
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
}
h2 {
  font-size: clamp(1.625rem, 3vw, 2.375rem);
}
h3 {
  font-size: clamp(1.25rem, 2vw, 1.625rem);
}
h4 {
  font-size: 1.125rem;
}

a {
  color: #b22234;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #d4af37;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid #d4af37;
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- CSS Variables ---------- */
:root {
  --clr-primary: #b22234;
  --clr-gold: #d4af37;
  --clr-deep-blue: #1b2a4a;
  --clr-cream: #f5ebdd;
  --clr-dark: #2b1e16;
  --clr-accent: #e74c3c;
  --clr-white: #ffffff;

  --grad-primary: linear-gradient(135deg, #b22234 0%, #d4af37 100%);
  --grad-dark: linear-gradient(135deg, #1b2a4a 0%, #2b1e16 100%);

  --font-serif: Georgia, 'Times New Roman', 'Songti SC', 'SimSun', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono',
    'Courier New', monospace;

  --container: 1240px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 2rem;
  --space-5: 4rem;
  --space-6: 6rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 8px rgba(43, 30, 22, 0.08);
  --shadow-md: 0 8px 24px rgba(43, 30, 22, 0.1);
  --shadow-lg: 0 16px 44px rgba(43, 30, 22, 0.16);
}

/* ---------- Utilities ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.375rem;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
  transition: box-shadow 0.3s ease, transform 0.2s ease,
    background-color 0.3s ease, color 0.3s ease;
}

.btn-primary {
  background: var(--grad-primary);
  color: var(--clr-white);
  box-shadow: 0 4px 14px rgba(178, 34, 52, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 24px rgba(178, 34, 52, 0.42);
  transform: translateY(-1px);
  color: var(--clr-white);
}

.btn-outline {
  background: transparent;
  border-color: var(--clr-gold);
  color: var(--clr-deep-blue);
}

.btn-outline:hover {
  background: var(--clr-gold);
  color: var(--clr-white);
  transform: translateY(-1px);
}

/* ---------- Section Label ---------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: var(--space-3);
  padding: 0.25rem 0.875rem 0.25rem 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary);
  background: rgba(245, 235, 221, 0.7);
  border: 1px solid rgba(212, 175, 55, 0.55);
  border-radius: 999px;
}

.section-label::before {
  content: attr(data-index);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 4px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-gold);
  font-size: 0.625rem;
  font-weight: 700;
}

/* ---------- Board Card ---------- */
.board-card {
  position: relative;
  background: var(--clr-white);
  border: 1px solid rgba(43, 30, 22, 0.1);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.board-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.board-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 64px;
  height: 4px;
  background: var(--grad-primary);
  border-radius: 4px 4px 0 0;
}

.board-card::after {
  content: attr(data-index);
  position: absolute;
  top: var(--space-3);
  right: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-gold);
  letter-spacing: 0.1em;
}

/* ---------- Paper Layer ---------- */
.paper-layer {
  position: relative;
  background: var(--clr-cream);
  border: 1px solid rgba(43, 30, 22, 0.1);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
}

.paper-layer::after {
  content: '';
  position: absolute;
  top: 6px;
  right: -6px;
  bottom: -6px;
  left: 6px;
  background: rgba(43, 30, 22, 0.05);
  border-radius: var(--radius-sm);
  z-index: -1;
}

/* ---------- Print Border ---------- */
.print-border {
  position: relative;
  border: 1px solid rgba(43, 30, 22, 0.12);
  background: var(--clr-white);
  padding: var(--space-4);
}

.print-border::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 2px;
  pointer-events: none;
}

/* ---------- Tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-primary);
  background: rgba(178, 34, 52, 0.05);
  border: 1px solid rgba(178, 34, 52, 0.2);
  border-radius: 999px;
  letter-spacing: 0.05em;
}

.tag-gold {
  color: var(--clr-deep-blue);
  background: rgba(212, 175, 55, 0.12);
  border-color: rgba(212, 175, 55, 0.45);
}

/* ---------- Image Frame ---------- */
.image-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  background: var(--clr-deep-blue);
  border: 2px solid var(--clr-gold);
  border-radius: var(--radius-md);
  overflow: hidden;
  isolation: isolate;
}

.image-frame::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: calc(var(--radius-md) - 4px);
  z-index: 1;
  pointer-events: none;
}

.image-frame::after {
  content: attr(data-caption);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.625rem 1rem;
  background: rgba(27, 42, 74, 0.88);
  color: var(--clr-cream);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  z-index: 2;
}

.image-frame .image-frame-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  color: rgba(212, 175, 55, 0.55);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: var(--space-3);
}

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

/* ---------- Grids ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.offset-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-5);
  align-items: center;
}

.offset-grid.offset-flip > *:first-child {
  order: 2;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  padding: var(--space-4) 0 var(--space-2);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8125rem;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: '›';
  color: var(--clr-gold);
  font-size: 1em;
}

.breadcrumb-item a {
  color: var(--clr-deep-blue);
  font-weight: 500;
}

.breadcrumb-item a:hover {
  color: var(--clr-primary);
}

.breadcrumb-item[aria-current='page'] {
  color: var(--clr-primary);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: fixed;
  top: -100px;
  left: var(--space-3);
  z-index: 3000;
  padding: 0.5rem 1.25rem;
  background: var(--clr-deep-blue);
  color: var(--clr-white);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
  color: var(--clr-gold);
}

/* ---------- Progress Bar ---------- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad-primary);
  z-index: 3000;
  box-shadow: 0 1px 4px rgba(178, 34, 52, 0.3);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: var(--space-3);
  z-index: 1000;
  padding: 0 var(--space-3);
}

.header-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(245, 235, 221, 0.92);
  border: 1.5px solid var(--clr-gold);
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0.75rem 0.5rem 0.75rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
  color: var(--clr-dark);
}

.brand:hover {
  color: var(--clr-dark);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--clr-primary);
  border: 1.5px solid var(--clr-gold);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  box-shadow: inset 0 0 0 1px rgba(212, 175, 55, 0.25);
  line-height: 1;
}

.brand-seal {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--clr-gold);
  letter-spacing: 0.15em;
  line-height: 1.3;
}

.brand-knot {
  width: 20px;
  height: 20px;
  color: var(--clr-gold);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1.25;
}

.brand-text strong {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--clr-deep-blue);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.brand-text small {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--clr-primary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Navigation */
.site-nav {
  margin-right: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.nav-link {
  display: block;
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-dark);
  border: 1px solid transparent;
  border-radius: 999px;
  transition: color 0.2s ease, background-color 0.2s ease,
    border-color 0.2s ease;
}

.nav-link:hover {
  color: var(--clr-primary);
  background: rgba(178, 34, 52, 0.05);
}

.nav-link[aria-current='page'] {
  color: var(--clr-primary);
  background: rgba(212, 175, 55, 0.18);
  border-color: rgba(212, 175, 55, 0.5);
  font-weight: 600;
}

/* Header CTA */
.header-cta {
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  flex-shrink: 0;
}

/* Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1.5px solid var(--clr-gold);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: background-color 0.2s ease;
}

.nav-toggle:hover {
  background: rgba(212, 175, 55, 0.12);
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-deep-blue);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded='true'] .nav-toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
  background: var(--clr-primary);
}

.nav-toggle[aria-expanded='true'] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded='true'] .nav-toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
  background: var(--clr-primary);
}

/* ---------- Header / Nav Responsive ---------- */
@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: block;
  }
}

@media (max-width: 1023px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 0;
    right: 0;
    max-width: var(--container);
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.98);
    border: 1.5px solid var(--clr-gold);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-3);
    opacity: 0;
    transform: translateY(-12px) scale(0.98);
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease,
      visibility 0.25s;
  }

  .site-nav[data-open] {
    opacity: 1;
    transform: translateY(0) scale(1);
    visibility: visible;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    padding: 0.75rem var(--space-3);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
  }

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

@media (min-width: 768px) and (max-width: 1023px) {
  .header-inner {
    gap: var(--space-2);
  }

  .brand-text strong {
    font-size: 1rem;
  }

  .brand-text small {
    display: none;
  }

  .header-cta {
    padding: 0.4375rem 1rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 575px) {
  .site-header {
    top: var(--space-2);
    padding: 0 var(--space-2);
  }

  .header-inner {
    border-radius: var(--radius-md);
    gap: var(--space-2);
    padding: 0.375rem 0.5rem 0.375rem 0.5rem;
  }

  .brand-text strong {
    font-size: 0.9375rem;
  }

  .brand-text small {
    display: none;
  }

  .brand-mark {
    padding: 0.25rem 0.375rem;
    gap: 0.25rem;
  }

  .brand-seal {
    font-size: 0.75rem;
  }

  .brand-knot {
    width: 18px;
    height: 18px;
  }

  .header-cta {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  background: var(--clr-deep-blue);
  color: rgba(245, 235, 221, 0.75);
  margin-top: var(--space-6);
  overflow: hidden;
  border-top: 4px solid var(--clr-gold);
  padding: var(--space-6) 0 0;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -220px;
  right: -140px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, 0.1);
  box-shadow:
    0 0 0 48px rgba(212, 175, 55, 0.025),
    0 0 0 96px rgba(212, 175, 55, 0.018),
    0 0 0 144px rgba(212, 175, 55, 0.01);
  pointer-events: none;
  z-index: 0;
}

.site-footer::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(178, 34, 52, 0.14) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

.site-footer .container {
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-5);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--clr-gold);
  border: 1.5px solid var(--clr-primary);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  box-shadow: inset 0 0 0 1px rgba(178, 34, 52, 0.25);
  line-height: 1;
}

.footer-seal {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--clr-primary);
  letter-spacing: 0.15em;
  line-height: 1.3;
}

.footer-knot {
  width: 20px;
  height: 20px;
  color: var(--clr-primary);
  flex-shrink: 0;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.08em;
}

.footer-about,
.footer-trust {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(245, 235, 221, 0.62);
  max-width: 34em;
}

.footer-trust {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding-top: var(--space-2);
  border-top: 1px dashed rgba(212, 175, 55, 0.25);
  color: rgba(212, 175, 55, 0.7);
}

.footer-col {
  min-width: 0;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-gold);
  margin-bottom: var(--space-3);
}

.footer-links,
.footer-contact {
  display: grid;
  gap: 0.625rem;
  padding: 0;
  margin: 0;
}

.footer-links a {
  display: inline-block;
  font-size: 0.875rem;
  color: rgba(245, 235, 221, 0.68);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--clr-gold);
  padding-left: 0.375rem;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: rgba(245, 235, 221, 0.68);
  word-break: break-word;
}

.footer-contact-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--clr-gold);
  margin-top: 0.125rem;
}

.footer-address {
  word-break: break-all;
}

.footer-note {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px dashed rgba(212, 175, 55, 0.2);
  font-size: 0.6875rem;
  line-height: 1.5;
  color: rgba(245, 235, 221, 0.45);
}

.footer-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
  padding: var(--space-4) 0;
  border-top: 1px solid rgba(212, 175, 55, 0.18);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(245, 235, 221, 0.55);
}

.footer-divider {
  color: rgba(212, 175, 55, 0.4);
}

/* Footer responsive */
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 575px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: var(--clr-white);
  border: 2px solid var(--clr-gold);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.back-to-top[data-visible] {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ---------- Scroll Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal][data-revealed] {
  opacity: 1;
  transform: translateY(0);
}

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

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

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .back-to-top {
    transition: opacity 0.15s ease;
  }

  .nav-toggle-line {
    transition: none;
  }
}