/* =========================================================
   sanyi-live.com.cn — /assets/site.css
   共享层：reset / 变量 / 中文排版 / 侧边轨道头部 / 页脚 / 基础组件
   ========================================================= */

/* ---------- 1. reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

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

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

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

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

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---------- 2. 变量 ---------- */
:root {
  --ink-900: #060E1C;
  --ink-800: #0A1426;
  --panel: #101F38;
  --line: #1E3350;
  --cyan: #2FE3D0;
  --orange: #FF6A2B;
  --violet: #7A6BFF;
  --score: #FFD166;
  --warm: #F4F0E8;
  --mist: #A8B6C8;

  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, "Courier New", monospace;

  --rail-w: 236px;
  --topbar-h: 64px;
  --maxw: 1120px;
  --radius: 14px;
  --radius-sm: 10px;

  --ease: cubic-bezier(.22, .61, .36, 1);

  --shadow-cell: 0 1px 0 rgba(244, 240, 232, .03), 0 18px 40px -28px rgba(0, 0, 0, .9);
  --shadow-glow: 0 12px 30px -16px rgba(255, 106, 43, .55);
}

/* ---------- 3. 页面基底与中文排版 ---------- */
body {
  min-height: 100dvh;
  background:
    radial-gradient(1180px 620px at 84% -12%, rgba(122, 107, 255, .10), transparent 62%),
    radial-gradient(880px 520px at -10% 6%, rgba(47, 227, 208, .07), transparent 64%),
    var(--ink-800);
  background-attachment: fixed;
  color: var(--warm);
  font-family: var(--sans);
  font-size: clamp(15.5px, .34vw + 14.4px, 17px);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: .012em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }
}

main { display: block; }

h1, h2 {
  font-family: var(--serif);
  font-weight: 800;
  letter-spacing: -.022em;
  line-height: 1.2;
  color: var(--warm);
}

h1 { font-size: clamp(2.6rem, 5.4vw, 5.4rem); }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }

h3, h4 {
  font-family: var(--sans);
  font-weight: 800;
  letter-spacing: -.012em;
  line-height: 1.36;
  color: var(--warm);
}

h3 { font-size: clamp(1.2rem, 1.6vw, 1.5rem); }
h4 { font-size: 1.04rem; }

p { text-wrap: pretty; }

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

a:hover { color: var(--warm); }

::selection { background: rgba(47, 227, 208, .28); color: var(--warm); }

.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;
}

/* ---------- 4. 跳至主要内容 ---------- */
.skip-link {
  position: fixed;
  top: 10px; left: 10px;
  z-index: 200;
  transform: translateY(-180%);
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--cyan);
  color: #04121A;
  font-weight: 700;
  font-size: .9rem;
  transition: transform .18s var(--ease);
}

.skip-link:focus { transform: none; color: #04121A; }

/* ---------- 5. 侧边轨道导航 ---------- */
.site-rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 60;
  width: var(--rail-w);
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.4vh, 26px);
  padding: 26px 18px 22px;
  background: linear-gradient(180deg, #0B1729 0%, var(--ink-800) 46%, var(--ink-900) 100%);
  border-right: 1px solid var(--line);
}

.rail-progress {
  position: absolute;
  top: 0; left: 0;
  width: 2px; height: 100%;
  background: rgba(30, 51, 80, .55);
  overflow: hidden;
}

.rail-progress__bar {
  display: block;
  width: 2px; height: 100%;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
  transform-origin: top center;
  transform: scaleY(var(--p, 0));
  transition: transform .12s linear;
}

/* 品牌标记 */
.rail-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--warm);
}

.rail-brand:hover { color: var(--warm); }

.rail-brand__mark {
  position: relative;
  flex: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(150deg, #13243F, #0B1729);
}

.rail-brand__mark::before {
  content: "";
  position: absolute;
  left: 9px; right: 9px; top: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 7px 0 var(--orange), 0 14px 0 rgba(244, 240, 232, .26);
}

.rail-brand__type {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.rail-brand__name {
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -.01em;
  line-height: 1.24;
}

.rail-brand__sub {
  font-family: var(--mono);
  font-size: .6rem;
  letter-spacing: .18em;
  color: var(--mist);
  text-transform: uppercase;
}

/* 移动按钮（桌面隐藏） */
.rail-toggle { display: none; }

/* 轨道导航列表 */
.rail-nav {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.rail-nav__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rail-nav__link {
  position: relative;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  color: var(--mist);
  font-size: .93rem;
  font-weight: 500;
  line-height: 1.45;
}

.rail-nav__link::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 2px; height: 0;
  border-radius: 2px;
  background: var(--cyan);
  transform: translateY(-50%);
  transition: height .2s var(--ease), background-color .2s var(--ease);
}

.rail-nav__link:hover {
  background: rgba(16, 31, 56, .9);
  color: var(--warm);
}

.rail-nav__link:hover::before { height: 16px; }

.rail-nav__index {
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: rgba(168, 182, 200, .5);
}

.rail-nav__label { min-width: 0; }

.rail-nav__link--pin .rail-nav__label { color: rgba(47, 227, 208, .92); }

.rail-nav__link[aria-current="page"] {
  background: rgba(47, 227, 208, .09);
  color: var(--warm);
  font-weight: 700;
}

.rail-nav__link[aria-current="page"]::before {
  height: 62%;
  background: var(--orange);
}

.rail-nav__link[aria-current="page"] .rail-nav__index { color: var(--orange); }

/* 轨道底部区块 */
.rail-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rail-account {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rail-account__link {
  flex: 1 1 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(16, 31, 56, .5);
  color: var(--mist);
  font-size: .8rem;
  white-space: nowrap;
}

.rail-account__link:hover {
  color: var(--warm);
  border-color: rgba(47, 227, 208, .55);
}

.rail-cta { width: 100%; justify-content: center; }

.rail-scrim { display: none; }

/* ---------- 6. 通用骨架与基础组件 ---------- */
.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 56px);
}

.prose {
  max-width: 70ch;
  color: rgba(244, 240, 232, .88);
}

.prose p { margin-top: 1.05em; }
.prose p:first-child { margin-top: 0; }

.prose h2 { margin-top: 2.1em; }
.prose h3 { margin-top: 1.7em; }
.prose h2 + p, .prose h3 + p { margin-top: .7em; }

.prose ul, .prose ol {
  margin-top: 1em;
  padding-left: 1.2em;
}

.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-top: .45em; }

.prose a {
  text-decoration: underline;
  text-decoration-color: rgba(47, 227, 208, .45);
  text-underline-offset: 3px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: currentColor;
}

.num {
  font-family: var(--mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(16, 31, 56, .62);
  color: var(--mist);
  font-size: .76rem;
  line-height: 1.6;
  white-space: nowrap;
}

.tag--cyan { color: var(--cyan); border-color: rgba(47, 227, 208, .45); }
.tag--orange { color: var(--orange); border-color: rgba(255, 106, 43, .45); }
.tag--violet { color: #B7AEFF; border-color: rgba(122, 107, 255, .5); }

.pulse-dot {
  flex: none;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: sanyi-pulse 2.6s ease-out infinite;
}

@keyframes sanyi-pulse {
  0% { box-shadow: 0 0 0 0 rgba(47, 227, 208, .5); }
  70% { box-shadow: 0 0 0 12px rgba(47, 227, 208, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 227, 208, 0); }
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .012em;
  line-height: 1.4;
  cursor: pointer;
  transition: transform .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease);
}

.btn--accent {
  background: var(--orange);
  color: #150A03;
  box-shadow: var(--shadow-glow);
}

.btn--accent:hover {
  background: #FF8148;
  color: #150A03;
  transform: translateY(-1px);
}

.btn--ghost {
  background: rgba(16, 31, 56, .62);
  border-color: var(--line);
  color: var(--warm);
}

.btn--ghost:hover {
  border-color: rgba(47, 227, 208, .6);
  color: var(--warm);
  transform: translateY(-1px);
}

.btn--line {
  border-color: rgba(47, 227, 208, .45);
  color: var(--cyan);
}

.btn--line:hover {
  background: rgba(47, 227, 208, .1);
  color: var(--warm);
}

/* 面包屑 */
.crumbs {
  font-size: .8rem;
  color: var(--mist);
}

.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.crumbs__item { display: inline-flex; align-items: center; }

.crumbs__item + .crumbs__item::before {
  content: "/";
  margin: 0 9px;
  color: rgba(168, 182, 200, .45);
}

.crumbs__item a { color: var(--mist); }
.crumbs__item a:hover { color: var(--cyan); }
.crumbs__item[aria-current="page"] { color: var(--warm); }

/* Bento 栅格 */
.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 22px);
}

.cell {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 2.1vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), #0C1A30);
  box-shadow: var(--shadow-cell);
}

.cell--flat {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  padding-inline: 0;
}

@media (max-width: 760px) {
  .bento { grid-template-columns: minmax(0, 1fr); }
}

/* 横向主题带 */
.strip {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.strip > * {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.strip::-webkit-scrollbar { height: 6px; }
.strip::-webkit-scrollbar-track { background: rgba(30, 51, 80, .4); border-radius: 99px; }
.strip::-webkit-scrollbar-thumb { background: var(--line); border-radius: 99px; }

.strip--draggable { cursor: grab; }
.strip--draggable.is-dragging { cursor: grabbing; scroll-snap-type: none; }

/* 媒体容器（页面阶段放置图片或占位） */
.media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(140deg, #12233E, var(--ink-900));
}

.media img,
.media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media--16x9 { aspect-ratio: 16 / 9; }
.media--3x2 { aspect-ratio: 3 / 2; }
.media--4x5 { aspect-ratio: 4 / 5; }
.media--21x9 { aspect-ratio: 21 / 9; }

.media--fill {
  position: absolute;
  inset: 0;
  border: 0;
  border-radius: 0;
}

.media__cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 16px;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--warm);
  background: linear-gradient(0deg, rgba(6, 14, 28, .94), rgba(6, 14, 28, 0));
}

/* 分隔线 / 数据块 / 箭头链接 */
.rule {
  height: 1px;
  border: 0;
  background: var(--line);
}

.stat { display: flex; flex-direction: column; gap: 2px; }

.stat__value {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  color: var(--score);
  line-height: 1.2;
}

.stat__label {
  font-size: .78rem;
  color: var(--mist);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--cyan);
}

.link-arrow::after {
  content: "→";
  transition: transform .18s var(--ease);
}

.link-arrow:hover::after { transform: translateX(4px); }

/* 锚点目录 */
.toc { display: flex; flex-direction: column; gap: 2px; }

.toc__link {
  padding: 7px 12px;
  border-left: 1px solid var(--line);
  color: var(--mist);
  font-size: .85rem;
  line-height: 1.5;
}

.toc__link:hover {
  color: var(--warm);
  border-left-color: rgba(47, 227, 208, .6);
}

.toc__link[aria-current] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  font-weight: 600;
}

/* ---------- 7. 页脚 ---------- */
.site-foot {
  position: relative;
  margin-top: clamp(56px, 8vw, 110px);
  padding: clamp(42px, 6vw, 80px) 0 26px;
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 72%);
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: .9rem;
}

.site-foot__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 56px);
}

.site-foot__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(26px, 3.2vw, 48px);
}

.foot-brand__name {
  font-family: var(--serif);
  font-size: 1.34rem;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--warm);
}

.foot-brand__line {
  margin-top: 12px;
  max-width: 34ch;
  line-height: 1.8;
}

.foot-col__title {
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.foot-col__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.foot-col__list a { color: var(--mist); }
.foot-col__list a:hover { color: var(--warm); }

.foot-contact {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.foot-contact__value {
  font-family: var(--mono);
  font-size: .84rem;
  color: var(--warm);
  word-break: break-all;
}

.foot-contact__addr {
  font-size: .84rem;
  line-height: 1.7;
  color: var(--mist);
}

.foot-contact__note {
  margin-top: 4px;
  font-size: .78rem;
  line-height: 1.75;
  color: rgba(168, 182, 200, .72);
}

.site-foot__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 22px;
  margin-top: clamp(32px, 4vw, 54px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: .78rem;
  color: rgba(168, 182, 200, .72);
}

.site-foot__copy { color: rgba(244, 240, 232, .8); }

.site-foot__meta {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .04em;
}

/* 返回顶部 */
.to-top {
  position: fixed;
  right: clamp(14px, 2.4vw, 28px);
  bottom: clamp(14px, 2.4vw, 28px);
  z-index: 55;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(16, 31, 56, .92);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .12em;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  border-color: var(--cyan);
  color: var(--warm);
}

.to-top__line {
  width: 1px;
  height: 18px;
  background: linear-gradient(0deg, var(--cyan), rgba(47, 227, 208, 0));
}

/* ---------- 8. 平板与手机：侧轨道折叠为顶栏 + 抽屉 ---------- */
@media (max-width: 1023px) {
  .site-rail {
    inset: 0 0 auto 0;
    width: auto;
    max-height: 100dvh;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    padding: 0 clamp(14px, 3.6vw, 22px);
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: rgba(8, 17, 32, .96);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }

  .rail-progress {
    top: auto;
    left: 0; right: 0; bottom: 0;
    width: 100%;
    height: 2px;
  }

  .rail-progress__bar {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--orange));
    transform-origin: left center;
    transform: scaleX(var(--p, 0));
  }

  .rail-brand {
    height: var(--topbar-h);
    gap: 10px;
  }

  .rail-brand__mark {
    width: 32px; height: 32px;
    border-radius: 9px;
  }

  .rail-brand__mark::before {
    left: 7px; right: 7px; top: 10px;
    box-shadow: 0 6px 0 var(--orange), 0 12px 0 rgba(244, 240, 232, .26);
  }

  .rail-brand__name { font-size: .96rem; }
  .rail-brand__sub { display: none; }

  .rail-toggle {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-left: auto;
    padding: 8px 13px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: rgba(16, 31, 56, .75);
    color: var(--warm);
    font-size: .82rem;
    font-weight: 600;
    cursor: pointer;
  }

  .rail-toggle__bars {
    position: relative;
    width: 16px; height: 2px;
    border-radius: 2px;
    background: currentColor;
  }

  .rail-toggle__bars::before,
  .rail-toggle__bars::after {
    content: "";
    position: absolute;
    left: 0;
    width: 16px; height: 2px;
    border-radius: 2px;
    background: currentColor;
    transition: transform .2s var(--ease);
  }

  .rail-toggle__bars::before { top: -5px; }
  .rail-toggle__bars::after { top: 5px; }

  .site-rail[data-open] .rail-toggle__bars { background: transparent; }
  .site-rail[data-open] .rail-toggle__bars::before { transform: translateY(5px) rotate(45deg); }
  .site-rail[data-open] .rail-toggle__bars::after { transform: translateY(-5px) rotate(-45deg); }

  .rail-nav {
    display: none;
    order: 3;
    flex: 0 0 100%;
    max-height: calc(100dvh - var(--topbar-h) - 190px);
    overflow-y: auto;
    padding: 4px 0 16px;
    border-top: 1px solid var(--line);
  }

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

  .rail-nav__link {
    grid-template-columns: 32px minmax(0, 1fr);
    padding: 13px 10px;
    font-size: 1rem;
    border-radius: 8px;
  }

  .rail-nav__list { gap: 1px; }

  .rail-foot {
    display: none;
    order: 4;
    flex: 0 0 100%;
    margin-top: 0;
    padding: 0 0 22px;
  }

  .site-rail[data-open] .rail-foot { display: flex; }

  .rail-account__link { padding: 10px 12px; font-size: .84rem; }

  .rail-scrim {
    display: block;
    position: fixed;
    top: var(--topbar-h);
    left: 0; right: 0; bottom: 0;
    z-index: 1;
    background: rgba(4, 10, 20, .68);
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s var(--ease), visibility .22s var(--ease);
  }

  .site-rail[data-open] .rail-scrim {
    opacity: 1;
    visibility: visible;
  }

  .rail-nav, .rail-foot { position: relative; z-index: 2; }
}

@media (max-width: 900px) {
  .site-foot__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .site-foot__grid { grid-template-columns: minmax(0, 1fr); }
  .site-foot__base { flex-direction: column; align-items: flex-start; }
}

/* ---------- 9. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .pulse-dot { animation: none; box-shadow: 0 0 0 4px rgba(47, 227, 208, .18); }
}