/* =========================================================
   极速百家家乐品牌站 · 共享外壳样式 /assets/site.css
   分区：变量 → 重置 → 排版 → 栅格与容器 → 通用组件
        → 头部 → 页脚 → 响应式 → 动效偏好
   ========================================================= */

:root {
  --ink-900: #0B1220;
  --ink-700: #16233A;
  --ink-600: #1E2E48;
  --cyan-500: #00C2C7;
  --cyan-200: #8CEBEA;
  --amber-500: #FF8A1F;
  --amber-300: #FFA95C;
  --paper-100: #F2F5EE;
  --paper-200: #E4EADD;
  --slate-500: #5B6B7C;
  --white: #FFFFFF;
  --green-600: #1F8A5B;

  --font-sans: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
  --font-narrow: "Arial Narrow", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --fs-12: 0.75rem;
  --fs-14: 0.875rem;
  --fs-16: 1rem;
  --fs-18: 1.125rem;
  --fs-24: 1.5rem;
  --fs-32: 2rem;
  --fs-44: 2.75rem;
  --fs-64: 4rem;

  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-5: 48px;
  --sp-6: 64px;
  --sp-7: 96px;

  --notch: 14px;
  --skew: -12deg;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --dur: 200ms;
  --shadow-lift: 0 10px 24px rgba(11, 18, 32, 0.14);
  --hairline: rgba(11, 18, 32, 0.14);
  --hairline-cyan: rgba(140, 235, 234, 0.26);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

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

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

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

button { font: inherit; color: inherit; }

a { color: inherit; }

main { display: block; }

#main-content:focus { outline: none; }

/* ------------------------ 中文排版 ------------------------ */
body {
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ink-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-narrow);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 0.04em;
  color: var(--ink-900);
}

h1 { font-size: clamp(2.125rem, 4.2vw, 4rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 1.8rem, 1.5rem); font-size: clamp(1.125rem, 1.8vw, 1.5rem); }

p { max-width: 42em; }

.lead {
  font-size: var(--fs-18);
  line-height: 1.8;
  color: var(--ink-700);
  max-width: 36em;
}

.muted { color: var(--slate-500); }

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

/* ---------------------- 栅格与容器 ---------------------- */
.wrap {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--sp-2);
}

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

.stack > * + * { margin-top: var(--sp-2); }

.section { padding-block: var(--sp-6); }
.section--tight { padding-block: var(--sp-5); }
.section--paper { background: var(--paper-100); }
.page-head { padding-block: var(--sp-5) var(--sp-4); }

/* ------------------------ 通用组件 ------------------------ */
:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 2px;
  box-shadow: 0 0 0 1px var(--ink-900);
}

.site-header :focus-visible,
.site-footer :focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 2px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.85);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: transform var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.btn--amber {
  background: var(--amber-500);
  border-color: var(--amber-500);
  color: var(--ink-900);
}
.btn--amber:hover {
  background: var(--amber-300);
  border-color: var(--amber-300);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--cyan-500);
  color: var(--ink-700);
}
.btn--ghost:hover {
  background: rgba(0, 194, 199, 0.12);
  border-color: var(--ink-700);
  transform: translateY(-2px);
}

.btn--light {
  background: var(--white);
  border-color: var(--white);
  color: var(--ink-900);
}
.btn--light:hover {
  background: var(--cyan-200);
  border-color: var(--cyan-200);
  transform: translateY(-2px);
}

.btn--sm {
  min-height: 36px;
  padding: 8px 14px;
  font-size: var(--fs-12);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-500);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--cyan-500);
  transform: skewX(var(--skew));
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  background: var(--cyan-200);
  color: var(--ink-900);
}
.tag--amber { background: var(--amber-500); color: var(--ink-900); }
.tag--ink { background: var(--ink-700); color: var(--white); }
.tag--green { background: rgba(31, 138, 91, 0.14); color: var(--green-600); }

.panel {
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  padding: var(--sp-3);
  transition: transform var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.panel:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-500);
  box-shadow: var(--shadow-lift);
}
.panel--paper {
  background: var(--paper-100);
  border-color: var(--paper-200);
}
.panel--ink {
  background: var(--ink-700);
  border-color: var(--hairline-cyan);
  color: rgba(255, 255, 255, 0.82);
}
.panel--ink h2,
.panel--ink h3 { color: var(--white); }
.panel--notch {
  clip-path: polygon(
    var(--notch) 0, 100% 0,
    100% calc(100% - var(--notch)),
    calc(100% - var(--notch)) 100%,
    0 100%, 0 var(--notch)
  );
  border-radius: 0;
}

.img-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--hairline-cyan);
  border-radius: 2px;
  aspect-ratio: 16 / 10;
  background:
    repeating-linear-gradient(112deg, rgba(0, 194, 199, 0.22) 0 2px, transparent 2px 28px),
    linear-gradient(148deg, var(--ink-700) 0%, var(--ink-900) 100%);
}
.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.img-frame--wide { aspect-ratio: 21 / 9; }
.img-frame--tall { aspect-ratio: 3 / 4; }

.img-frame__caption {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--slate-500);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--slate-500);
}
.crumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.crumbs li + li::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--cyan-500);
  transform: skewX(var(--skew));
}
.crumbs a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 194, 199, 0.5);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.crumbs a:hover { color: var(--ink-900); border-bottom-color: var(--cyan-500); }
.crumbs [aria-current="page"] { color: var(--slate-500); }

.prose { max-width: 68ch; }
.prose > * + * { margin-top: var(--sp-3); }
.prose h2 { font-size: var(--fs-24); margin-top: var(--sp-5); }
.prose h3 { font-size: var(--fs-18); margin-top: var(--sp-4); }
.prose p { max-width: none; line-height: 1.85; color: var(--ink-700); }
.prose li { position: relative; padding-left: 20px; line-height: 1.85; color: var(--ink-700); }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 8px;
  height: 2px;
  background: var(--cyan-500);
  transform: skewX(var(--skew));
}
.prose a { color: var(--ink-900); border-bottom: 1px solid var(--cyan-500); text-decoration: none; }

/* -------------------- 头部：双层折页导航 -------------------- */
.site-header {
  position: relative;
  z-index: 40;
  background: var(--ink-900);
  color: var(--white);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -72px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--amber-500);
  color: var(--ink-900);
  font-size: var(--fs-14);
  font-weight: 700;
  text-decoration: none;
  border-radius: 2px;
  transition: top 160ms var(--ease);
}
.skip-link:focus { top: 12px; }

.utility-bar {
  background: var(--ink-900);
  border-bottom: 1px solid rgba(140, 235, 234, 0.16);
}
.utility-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  min-height: 56px;
  padding-block: 10px;
}
.utility-bar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  max-width: none;
  min-width: 0;
  font-size: var(--fs-14);
  letter-spacing: 0.02em;
}
.brand-chip {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink-900);
  background: var(--cyan-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}
.utility-bar__name {
  font-weight: 700;
  color: var(--white);
  white-space: nowrap;
}
.utility-bar__sep {
  font-family: var(--font-mono);
  color: var(--cyan-500);
  letter-spacing: 0.1em;
}
.utility-bar__note {
  color: rgba(255, 255, 255, 0.62);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.utility-bar__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.copy-slot {
  position: relative;
  display: inline-flex;
}
.copy-slot__note {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 90;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--ink-900);
  background: var(--amber-500);
  border-radius: 2px;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 150ms var(--ease), transform 150ms var(--ease);
}
.copy-slot__note[data-visible="true"] {
  opacity: 1;
  transform: none;
}

.copy-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.02em;
  color: var(--cyan-200);
  background: rgba(0, 194, 199, 0.08);
  border: 1px solid rgba(140, 235, 234, 0.34);
  border-radius: 2px;
  cursor: pointer;
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}
.copy-chip:hover {
  color: var(--white);
  border-color: var(--cyan-500);
  background: rgba(0, 194, 199, 0.18);
}
.copy-chip__icon {
  font-size: 13px;
  line-height: 1;
  color: var(--cyan-500);
}
.copy-chip__hint {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber-500);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--ink-700);
  border-bottom: 1px solid rgba(140, 235, 234, 0.2);
}
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  flex-wrap: wrap;
  min-height: 54px;
}
.site-nav__label {
  margin: 0;
  max-width: none;
  padding-block: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan-200);
  white-space: nowrap;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 28px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav__list a {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 2px 14px;
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--amber-500);
  transition: width var(--dur) var(--ease);
}
.site-nav__list a:hover { color: var(--white); }
.site-nav__list a:hover::after { width: 14px; }
.site-nav__list a[aria-current="page"] { color: var(--white); }
.site-nav__list a[aria-current="page"]::after { width: 100%; }

.nav-idx {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--cyan-500);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--cyan-200);
  background: transparent;
  border: 1px solid rgba(140, 235, 234, 0.4);
  border-radius: 2px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav-toggle:hover { color: var(--white); border-color: var(--cyan-500); }
.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
}
.nav-toggle__bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 160ms var(--ease), opacity 160ms var(--ease);
}
.site-nav[data-open="true"] .nav-toggle__bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.site-nav[data-open="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.site-nav[data-open="true"] .nav-toggle__bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.scroll-track {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(140, 235, 234, 0.16);
  overflow: hidden;
}
.scroll-track__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-500) 0%, var(--amber-500) 100%);
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

/* ------------------------ 页脚 ------------------------ */
.site-footer {
  position: relative;
  background: var(--ink-900);
  color: rgba(255, 255, 255, 0.78);
  padding-top: var(--sp-6);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--cyan-500) 0%,
    var(--cyan-500) 32%,
    var(--amber-500) 32%,
    var(--amber-500) 44%,
    rgba(140, 235, 234, 0.22) 44%,
    rgba(140, 235, 234, 0.22) 100%
  );
}
.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: var(--sp-5);
  padding-bottom: var(--sp-5);
}
.site-footer__brand { min-width: 0; }
.site-footer__logo {
  max-width: none;
  font-family: var(--font-narrow);
  font-size: var(--fs-24);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--white);
}
.site-footer__tag {
  margin-top: 10px;
  max-width: 20em;
  font-size: var(--fs-14);
  color: rgba(255, 255, 255, 0.6);
}
.site-footer__coords {
  margin-top: var(--sp-2);
  max-width: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan-500);
}
.site-footer__note {
  margin-top: var(--sp-2);
  max-width: 24em;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.48);
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-3);
}
.footer-col { min-width: 0; }
.footer-col__title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 10px;
  margin-bottom: 12px;
  font-family: var(--font-narrow);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
  border-bottom: 1px solid var(--hairline-cyan);
}
.footer-col__idx {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--cyan-500);
}
.footer-col li + li { margin-top: 10px; }
.footer-col--contact li + li { margin-top: 8px; }
.footer-col a {
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
  font-size: var(--fs-14);
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.footer-col a::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 0.66em;
  background: var(--cyan-500);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  transition: background-color var(--dur) var(--ease);
}
.footer-col a:hover { color: var(--cyan-200); }
.footer-col a:hover::before { background: var(--amber-500); }

.footer-copy {
  padding: 0 0 2px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.72);
  background: none;
  border: 0;
  border-bottom: 1px dashed rgba(140, 235, 234, 0.4);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer-copy:hover { color: var(--cyan-200); border-bottom-color: var(--cyan-500); }

.footer-addr {
  display: inline-block;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.58);
}

.site-footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: var(--sp-2);
}
.site-footer__legal-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.46);
}
.site-footer__legal-inner p { max-width: none; }

/* ------------------------ 响应式 ------------------------ */
@media (max-width: 1024px) {
  .site-footer__top {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--sp-4);
  }
  .site-footer__tag { max-width: 30em; }
}

@media (max-width: 860px) {
  :root { --sp-6: 48px; --sp-5: 40px; }

  .grid-12 { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-2); }
  .span-3, .span-4, .span-5, .span-6,
  .span-7, .span-8, .span-9, .span-12 { grid-column: 1 / -1; }

  .utility-bar__sep,
  .utility-bar__note { display: none; }

  .site-nav__inner { min-height: 52px; }
  .nav-toggle { display: inline-flex; }

  .site-nav__list {
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height 220ms var(--ease), visibility 220ms var(--ease);
  }
  .site-nav[data-open="true"] .site-nav__list {
    max-height: 520px;
    visibility: visible;
  }
  .site-nav__list li { border-top: 1px solid rgba(140, 235, 234, 0.14); }
  .site-nav__list li:first-child { border-top: 0; }
  .site-nav__list a { padding: 13px 2px 15px; }
  .site-nav__list a::after { bottom: 6px; }

  .site-footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__brand { margin-bottom: var(--sp-1); }
}

@media (max-width: 640px) {
  .wrap { padding-inline: 18px; }

  .utility-bar__brand { gap: 8px; }
  .utility-bar__name {
    max-width: 12em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .copy-chip { min-width: 36px; justify-content: center; padding: 6px 8px; }
  .copy-chip__text,
  .copy-chip__hint { display: none; }
  .copy-chip__icon { font-size: 15px; }

  .site-footer__cols { grid-template-columns: minmax(0, 1fr); gap: var(--sp-4); }
  .site-footer__legal-inner { justify-content: flex-start; }
}

@media (max-width: 560px) {
  .utility-bar .btn--sm { display: none; }
  .copy-slot__note { right: auto; left: 0; }
}

@media (min-width: 861px) {
  .nav-toggle { display: none; }
  .site-nav__list {
    max-height: none;
    visibility: visible;
  }
}

/* --------------------- 动效与可读性偏好 --------------------- */
@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;
  }
  .panel:hover,
  .btn:hover { transform: none; }
  .scroll-track__bar { transition: none; }
}