/* ==========================================================================
   金年汇赛场 — 共享样式表 /assets/site.css
   赛场深夜靛底 · 荧光青锚点 · 粗野主义模块 · 等宽数据字
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 84px;
  scroll-behavior: smooth;
}

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

ul, ol { list-style: none; }

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

table { border-collapse: collapse; width: 100%; }

::selection {
  background: #2EF2D0;
  color: #05070F;
}

/* ------------------------------------------------------------ variables */
:root {
  /* 色彩 */
  --c-bg: #0A0E27;
  --c-panel: #151C40;
  --c-ink: #05070F;
  --c-neon: #2EF2D0;
  --c-orange: #FF7A2F;
  --c-neon-soft: #8FF7E6;
  --c-mute: #9AA3C7;
  --c-white: #F3F6FF;
  --c-line: #2B3566;
  --c-safe: #5C6690;

  /* 字族 */
  --font-display: "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui,
    -apple-system, "Segoe UI", sans-serif;
  --font-body: "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui,
    -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "IBM Plex Mono",
    "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  /* 字号阶梯 */
  --fs-12: 12px;
  --fs-14: 14px;
  --fs-16: 16px;
  --fs-20: 20px;
  --fs-28: 28px;
  --fs-40: 40px;
  --fs-64: 64px;
  --fs-88: 88px;

  /* 间距刻度 */
  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 40px;
  --sp-5: 64px;

  /* 结构 */
  --header-h: 64px;
  --maxw: 1440px;
  --bd: 2px solid var(--c-line);
  --shadow-hard: 6px 6px 0 #05070F;
  --shadow-neon: 6px 6px 0 rgba(46, 242, 208, 0.16);
}

/* ------------------------------------------------------------- baseline */
body {
  min-height: 100vh;
  background-color: var(--c-bg);
  background-image:
    linear-gradient(rgba(43, 53, 102, 0.30) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 53, 102, 0.30) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
  color: var(--c-mute);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--c-white);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

strong, b { color: var(--c-white); font-weight: 700; }

small { font-size: var(--fs-12); }

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ----------------------------------------------------------- skip link */
.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  padding: 12px 20px;
  background: var(--c-neon);
  color: var(--c-ink);
  font-family: var(--font-display);
  font-size: var(--fs-14);
  font-weight: 800;
  letter-spacing: 0.04em;
  transform: translateY(-130%);
  transition: transform 0.18s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* -------------------------------------------------------------- layout */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--sp-3);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--sp-3);
}

.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
}

.rail {
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  padding-bottom: var(--sp-1);
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--c-line) transparent;
  scrollbar-width: thin;
}

.rail > * {
  flex: 0 0 min(340px, 78vw);
  scroll-snap-align: start;
}

/* --------------------------------------------------------------- brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.brand__block {
  position: relative;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--c-neon);
  color: var(--c-ink);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  line-height: 1;
}

.brand__block::after {
  content: "";
  position: absolute;
  top: -5px;
  right: -5px;
  width: 8px;
  height: 8px;
  background: var(--c-neon);
  box-shadow: 0 0 0 2px var(--c-ink);
}

.brand__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--c-white);
  white-space: nowrap;
}

.brand:hover .brand__name { color: var(--c-neon); }

/* --------------------------------------------------------------- header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--c-ink);
  border-bottom: 2px solid var(--c-line);
  transition: border-color 0.2s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--c-neon);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  height: var(--header-h);
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--sp-3);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -2px;
  z-index: 5;
  width: 0;
  height: 2px;
  background: var(--c-neon);
}

/* ----------------------------------------------------------- cmd nav */
.cmd-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.cmd-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: var(--header-h);
  padding: 0 12px;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--c-mute);
  border-bottom: 2px solid transparent;
  transition: color 0.16s ease, background-color 0.16s ease,
    border-color 0.16s ease;
}

.cmd-nav__link::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  background: var(--c-safe);
  transition: background-color 0.16s ease, box-shadow 0.16s ease;
}

.cmd-nav__link:hover {
  color: var(--c-white);
  background: rgba(46, 242, 208, 0.06);
}

.cmd-nav__link:hover::before { background: var(--c-neon-soft); }

.cmd-nav__link[aria-current="page"] {
  color: var(--c-neon);
  background: rgba(46, 242, 208, 0.08);
  border-bottom-color: var(--c-neon);
}

.cmd-nav__link[aria-current="page"]::before {
  background: var(--c-neon);
  box-shadow: 0 0 0 3px rgba(46, 242, 208, 0.18);
}

.cmd-nav__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-safe);
}

.cmd-nav__link[aria-current="page"] .cmd-nav__idx { color: var(--c-neon); }

/* -------------------------------------------------------- header action */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin-left: auto;
  flex: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-display);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--c-white);
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  transition: transform 0.16s ease, box-shadow 0.16s ease,
    background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 #05070F;
  border-color: var(--c-neon);
  color: var(--c-neon);
}

.btn--primary {
  background: var(--c-neon);
  border-color: var(--c-neon);
  color: var(--c-ink);
}

.btn--primary:hover {
  background: var(--c-neon-soft);
  border-color: var(--c-neon-soft);
  color: var(--c-ink);
}

.btn--ghost { background: transparent; }

.btn--sm {
  padding: 7px 12px;
  font-size: 13px;
}

.index-toggle__glyph {
  flex: none;
  width: 4px;
  height: 4px;
  margin: 5px;
  background: var(--c-neon);
  box-shadow:
    0 -5px var(--c-neon), 0 5px var(--c-neon),
    -5px 0 var(--c-neon), 5px 0 var(--c-neon),
    -5px -5px var(--c-neon), 5px 5px var(--c-neon),
    -5px 5px var(--c-neon), 5px -5px var(--c-neon);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0 9px;
  background: var(--c-panel);
  border: 2px solid var(--c-line);
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  background: var(--c-white);
  transition: transform 0.2s ease, opacity 0.16s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* -------------------------------------------------------- index panel */
.index-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 190;
  display: none;
  padding: var(--sp-3);
  background: var(--c-ink);
  border-bottom: 2px solid var(--c-neon);
  box-shadow: 0 10px 0 rgba(5, 7, 15, 0.6);
}

.index-panel[data-open] { display: block; }

.index-panel__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-2);
  max-width: var(--maxw);
  margin-inline: auto;
}

.index-panel__item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 14px 16px;
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  transition: transform 0.16s ease, border-color 0.16s ease,
    background-color 0.16s ease;
}

.index-panel__item:hover {
  transform: translate(-2px, -2px);
  border-color: var(--c-neon);
  background: #1B2450;
}

.index-panel__num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  color: var(--c-neon);
  letter-spacing: 0.06em;
}

.index-panel__label {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-white);
}

/* --------------------------------------------------------- typography */
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-neon);
  text-transform: uppercase;
}

.lede {
  max-width: 680px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-mute);
}

.prose {
  max-width: 680px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--c-mute);
}

.prose p + p { margin-top: var(--sp-2); }
.prose h2, .prose h3 { margin-top: var(--sp-3); }
.prose ul, .prose ol {
  margin-top: var(--sp-2);
  padding-left: 1.2em;
  list-style: square;
}
.prose li + li { margin-top: 6px; }

.vertical-note {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  align-self: flex-start;
  padding-left: 8px;
  border-left: 2px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-safe);
}

/* ------------------------------------------------------------- section */
.section { padding: var(--sp-4) 0; }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px var(--sp-3);
  margin-bottom: var(--sp-3);
}

.section__title {
  font-size: var(--fs-40);
  font-weight: 900;
  letter-spacing: -0.01em;
}

/* --------------------------------------------------------------- panel */
.panel {
  position: relative;
  padding: var(--sp-3);
  background: var(--c-panel);
  border: 2px solid var(--c-line);
}

.panel--focus {
  border-color: var(--c-neon);
  box-shadow: var(--shadow-neon);
}

.panel--ink { background: var(--c-ink); }

.panel__idx {
  position: absolute;
  top: -2px;
  right: -2px;
  padding: 2px 8px;
  background: var(--c-line);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* -------------------------------------------------------------- badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-mute);
  border: 1px solid var(--c-line);
}

.badge--up {
  color: var(--c-neon);
  border-color: var(--c-neon);
  background: rgba(46, 242, 208, 0.08);
}

.badge--down {
  color: var(--c-orange);
  border-color: var(--c-orange);
  background: rgba(255, 122, 47, 0.08);
}

.badge--safe {
  color: var(--c-safe);
  border-color: var(--c-safe);
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: var(--fs-12);
  color: var(--c-mute);
  border: 1px solid var(--c-line);
  transition: color 0.16s ease, border-color 0.16s ease,
    background-color 0.16s ease;
}

.tag--active {
  color: var(--c-ink);
  background: var(--c-neon);
  border-color: var(--c-neon);
}

/* ---------------------------------------------------------- data stats */
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat__value {
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-white);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.stat__label {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--c-safe);
}

/* ------------------------------------------------------------ expander */
.expand {
  background: var(--c-panel);
  border: 2px solid var(--c-line);
}

.expand + .expand { margin-top: -2px; }

.expand__heading { margin: 0; font-size: inherit; }

.expand__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  width: 100%;
  padding: 16px 20px;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--c-white);
  transition: background-color 0.16s ease, color 0.16s ease;
}

.expand__trigger:hover {
  background: rgba(46, 242, 208, 0.07);
  color: var(--c-neon);
}

.expand__sign {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--c-line);
}

.expand__sign::before,
.expand__sign::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 2px;
  background: var(--c-neon);
  transform: translateY(-50%);
}

.expand__sign::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.expand__trigger[aria-expanded="true"] .expand__sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.expand__panel {
  display: none;
  padding: 16px 20px 20px;
  border-top: 2px solid var(--c-line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-mute);
}

.expand__panel[data-open] { display: block; }

/* ---------------------------------------------------------- media frame */
.media-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--c-panel);
  border: 2px solid var(--c-line);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }

.media-frame__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 10px;
  background: var(--c-ink);
  border-top: 2px solid var(--c-neon);
  color: var(--c-neon);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.media-frame--empty {
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(43, 53, 102, 0.55) 0 10px,
      transparent 10px 20px
    ),
    var(--c-panel);
  color: var(--c-safe);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
}

/* ---------------------------------------------------------- breadcrumb */
.breadcrumb { padding-top: var(--sp-3); }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-safe);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb__item:not(:first-child)::before {
  content: "/";
  color: var(--c-line);
}

.breadcrumb__list a { color: var(--c-mute); }
.breadcrumb__list a:hover { color: var(--c-neon); }

#main-content { scroll-margin-top: 80px; }

/* -------------------------------------------------------------- footer */
.site-footer {
  margin-top: var(--sp-5);
  background: var(--c-ink);
  border-top: 2px solid var(--c-neon);
  color: var(--c-mute);
  font-size: var(--fs-14);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--c-line);
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-mute);
}

.footer-contact__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-safe);
}

.footer-contact__item { color: var(--c-mute); }

.footer-contact__route {
  color: var(--c-neon);
  border-bottom: 1px solid var(--c-line);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.footer-contact__route:hover {
  color: var(--c-neon-soft);
  border-bottom-color: var(--c-neon);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px var(--sp-3);
  padding: 32px 0;
}

.footer-col__title {
  position: relative;
  margin-bottom: 14px;
  padding-bottom: 10px;
  padding-left: 12px;
  border-bottom: 2px solid var(--c-line);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--c-white);
}

.footer-col__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 6px;
  height: 6px;
  background: var(--c-neon);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-list a {
  display: inline-block;
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--c-mute);
  transition: color 0.16s ease, padding-left 0.16s ease;
}

.footer-list a:hover {
  color: var(--c-neon);
  padding-left: 6px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--c-safe);
}

.footer-bottom__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom__links a {
  color: var(--c-mute);
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.footer-bottom__links a:hover {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

/* --------------------------------------------------------- responsive */
@media (max-width: 1200px) {
  .cmd-nav__idx { display: none; }
  .cmd-nav__link { padding: 0 9px; }
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }

  .cmd-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 195;
    display: none;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    background: var(--c-ink);
    border-bottom: 2px solid var(--c-neon);
  }

  .cmd-nav[data-open] { display: block; }

  .cmd-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .cmd-nav__link {
    height: auto;
    padding: 16px 20px;
    font-size: var(--fs-16);
    border-bottom: 1px solid var(--c-line);
    border-left: 2px solid transparent;
  }

  .cmd-nav__link[aria-current="page"] {
    border-bottom-color: var(--c-line);
    border-left-color: var(--c-neon);
  }

  .cmd-nav__idx { display: inline; }

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

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

  .split { grid-template-columns: 1fr; }

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

  .section__title { font-size: var(--fs-28); }
}

@media (max-width: 640px) {
  .container { padding-inline: var(--sp-2); }
  .header-inner { gap: 10px; padding-inline: var(--sp-2); }
  .brand__name { font-size: 15px; }
  .index-toggle { padding: 7px 10px; }

  .index-panel { padding: var(--sp-2); }
  .index-panel__grid { grid-template-columns: 1fr; }

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

  .footer-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .section { padding: 32px 0; }
}

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

  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .btn:hover,
  .index-panel__item:hover { transform: none; }

  .scroll-progress { transition: none; }
}