/* ==========================================================================
   欢乐龙城 · 中国官方主站 — /assets/site.css
   展览画册式框架导航 / 档案纸面板 / 贯穿全站的编号索引
   ========================================================================== */

:root {
  --ink-900: #0F1A38;
  --ink-800: #1B2A50;
  --paper: #F2E7D3;
  --paper-2: #DFCFB2;
  --amber: #E3A33C;
  --amber-soft: #F0B85C;
  --vermilion: #C4402E;
  --sage: #7C9B84;
  --sage-deep: #4E6A58;
  --ink-text: #1D1B17;
  --frost: #F6F1E6;

  --line-dark: rgba(242, 231, 211, 0.16);
  --line-dark-soft: rgba(242, 231, 211, 0.09);
  --line-light: rgba(29, 27, 23, 0.18);

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  --fs-h1: clamp(2.4rem, 5vw, 4.6rem);
  --fs-h2: 2rem;
  --fs-h3: 1.35rem;
  --fs-base: 1rem;
  --fs-sm: 0.875rem;

  --bar-h: 60px;
  --rail-w: 104px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --maxw: 1200px;
  --radius: 2px;
}

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

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

body {
  margin: 0;
  padding-top: var(--bar-h);
  padding-left: var(--rail-w);
  background-color: var(--ink-900);
  color: var(--frost);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 400;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button { font: inherit; color: inherit; }

a { color: inherit; }

::selection {
  background: var(--amber);
  color: var(--ink-900);
}

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

/* ---------------------------------------------------------- 中文排版 ---- */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.25;
  color: var(--frost);
}

h1 { font-size: var(--fs-h1); line-height: 1.12; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 1.1em; padding-left: 1.25em; }

.body-text { max-width: 34em; }

.meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(246, 241, 230, 0.58);
}

strong, b { font-weight: 700; }

/* ------------------------------------------------------------ 容器 ----- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(3rem, 7vw, 6rem); }

.section-head { margin-bottom: clamp(1.5rem, 4vw, 2.75rem); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--amber);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.rule {
  height: 1px;
  margin: 0;
  border: 0;
  background: var(--line-dark);
}

.rule--paper { background: var(--line-light); }

/* ------------------------------------------------------------ 按钮 ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--ink-900);
  background: var(--amber);
  border: 1px solid var(--amber);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease,
              color 0.18s ease, transform 0.18s ease;
}

.btn:hover {
  background: var(--amber-soft);
  border-color: var(--amber-soft);
  transform: translateY(-2px);
}

.btn:active { transform: translateY(0); }

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.8125rem;
}

.btn-ghost {
  background: transparent;
  color: var(--frost);
  border-color: rgba(242, 231, 211, 0.34);
}

.btn-ghost:hover {
  background: rgba(242, 231, 211, 0.08);
  border-color: var(--amber);
  color: var(--amber);
}

.btn-ink {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--frost);
}

.btn-ink:hover {
  background: var(--ink-800);
  border-color: var(--ink-800);
  color: var(--frost);
}

.link-more {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 163, 60, 0.42);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.link-more:hover {
  color: var(--amber-soft);
  border-color: var(--amber-soft);
}

/* -------------------------------------------------------- 跳过导航 ----- */
.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--amber);
  color: var(--ink-900);
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 var(--radius) 0;
  transform: translateY(-120%);
  transition: transform 0.18s ease;
}

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

/* ============================================================ 头部 ===== */
.site-header { position: static; }

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 120;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--amber), var(--vermilion));
  pointer-events: none;
}

.header-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(0.75rem, 2vw, 2rem);
  height: var(--bar-h);
  padding: 0 clamp(0.9rem, 3vw, 2rem);
  background: var(--ink-900);
  border-bottom: 1px solid var(--line-dark);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  color: var(--frost);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(227, 163, 60, 0.18), transparent 70%);
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.brand-sub {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: rgba(246, 241, 230, 0.55);
  white-space: nowrap;
}

.header-utils {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.6vw, 1.5rem);
  margin-left: auto;
  font-size: 0.8125rem;
}

.utils-link {
  color: rgba(246, 241, 230, 0.72);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease;
}

.utils-link:hover { color: var(--amber); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.45rem;
  flex: 0 0 auto;
  padding: 0.45rem 0.7rem;
  background: transparent;
  color: var(--frost);
  border: 1px solid rgba(242, 231, 211, 0.3);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.nav-toggle:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 16px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
}

/* ------------------------------------------------ 左侧序号轨道导航 ---- */
.rail-nav {
  position: fixed;
  top: var(--bar-h);
  left: 0;
  bottom: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: var(--rail-w);
  padding-block: 1rem;
  background: var(--ink-900);
  border-right: 1px solid var(--line-dark);
  overflow-y: auto;
}

.rail-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0;
  padding: 0 0.4rem;
  list-style: none;
}

.rail-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.6rem 0.2rem;
  color: rgba(246, 241, 230, 0.62);
  text-decoration: none;
  text-align: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.rail-link:hover {
  color: var(--frost);
  background: rgba(242, 231, 211, 0.07);
  border-color: rgba(242, 231, 211, 0.12);
}

.rail-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.rail-label {
  font-size: 0.75rem;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.rail-link[aria-current="page"] {
  color: var(--ink-900);
  background: var(--amber);
  border-color: var(--amber);
}

.rail-link[aria-current="page"] .rail-num { color: var(--ink-900); }

.rail-extra { display: none; }

/* ------------------------------------------------------ 返回顶部 ----- */
.to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 110;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 0;
  color: var(--amber);
  background: rgba(15, 26, 56, 0.9);
  border: 1px solid var(--amber);
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.24s ease, transform 0.24s ease,
              visibility 0.24s, background-color 0.18s ease;
}

.to-top:hover { background: rgba(227, 163, 60, 0.16); }

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top-arrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
}

/* ============================================================ 页脚 ===== */
.site-footer {
  position: relative;
  margin-top: clamp(2rem, 6vw, 4rem);
  padding-block: clamp(2.5rem, 6vw, 4.5rem) 1.75rem;
  background: var(--ink-900);
  border-top: 1px solid var(--line-dark);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: repeating-linear-gradient(90deg, var(--amber) 0 12px, transparent 12px 26px);
  opacity: 0.32;
}

.footer-wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.55fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

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

.footer-brand-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--frost);
}

.footer-brand-line {
  margin: 0.35rem 0 0.95rem;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: rgba(246, 241, 230, 0.55);
}

.footer-icp {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: rgba(246, 241, 230, 0.66);
}

.footer-reg {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(246, 241, 230, 0.42);
}

.footer-title {
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--amber);
  border-bottom: 1px solid var(--line-dark-soft);
}

.footer-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list a {
  font-size: 0.9375rem;
  color: rgba(246, 241, 230, 0.74);
  text-decoration: none;
  transition: color 0.18s ease;
}

.footer-list a:hover { color: var(--amber); }

.contact-list {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.9375rem;
}

.contact-label {
  flex: 0 0 auto;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--sage);
}

.contact-value {
  color: rgba(246, 241, 230, 0.88);
  word-break: break-all;
}

.contact-value--mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
}

.copy-btn {
  padding: 0.3rem 0.55rem;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--amber);
  background: transparent;
  border: 1px solid rgba(227, 163, 60, 0.55);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.copy-btn:hover {
  background: var(--amber);
  color: var(--ink-900);
}

.copy-btn[data-copied] {
  background: var(--sage-deep);
  border-color: var(--sage-deep);
  color: var(--frost);
}

.footer-note {
  margin-top: clamp(2rem, 5vw, 3rem);
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-dark);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(246, 241, 230, 0.5);
}

/* ======================================================= 通用组件 ===== */
/* 大号描边序号 */
.num-plate {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 0.82;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--amber);
  transition: color 0.6s ease;
}

.num-plate.is-in { color: rgba(227, 163, 60, 0.16); }

/* 暖纸档案卡 */
.paper-panel {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  color: var(--ink-text);
  background: var(--paper);
  border: 1px solid rgba(15, 26, 56, 0.9);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 0 rgba(15, 26, 56, 0.55),
              12px 12px 0 -4px rgba(223, 207, 178, 0.12);
}

.paper-panel--tight { padding: clamp(1rem, 2vw, 1.5rem); }

.paper-panel h1,
.paper-panel h2,
.paper-panel h3,
.paper-panel h4 { color: var(--ink-text); }

.paper-panel .meta,
.paper-panel .eyebrow { color: var(--sage-deep); }

.paper-panel a { color: var(--vermilion); }
.paper-panel a:hover { color: #9E2F20; }

.paper-panel .rule { background: var(--line-light); }

/* 分类标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--sage);
  background: rgba(124, 155, 132, 0.14);
  border: 1px solid rgba(124, 155, 132, 0.5);
  border-radius: var(--radius);
}

.tag--amber {
  color: var(--ink-900);
  background: var(--amber);
  border-color: var(--amber);
}

.tag--sage {
  color: var(--sage-deep);
  background: rgba(124, 155, 132, 0.16);
  border-color: rgba(78, 106, 88, 0.45);
}

.tag--vermilion {
  color: var(--vermilion);
  background: rgba(196, 64, 46, 0.1);
  border-color: rgba(196, 64, 46, 0.45);
}

/* 面包屑 */
.breadcrumb {
  font-size: 0.8125rem;
  color: rgba(246, 241, 230, 0.55);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: rgba(246, 241, 230, 0.3);
}

.breadcrumb a {
  color: rgba(246, 241, 230, 0.7);
  text-decoration: none;
}

.breadcrumb a:hover { color: var(--amber); }

.breadcrumb [aria-current="page"] { color: var(--amber); }

/* 栅格 */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

/* 纵向时间轴基础件 */
.timeline {
  position: relative;
  display: grid;
  gap: 1.75rem;
  margin: 0;
  padding: 0 0 0 1.5rem;
  list-style: none;
  border-left: 1px solid var(--line-dark);
}

.timeline-item { position: relative; }

.timeline-item::before {
  content: "";
  position: absolute;
  top: 0.55rem;
  left: calc(-1.5rem - 4.5px);
  width: 8px;
  height: 8px;
  background: var(--ink-900);
  border: 1px solid var(--amber);
  border-radius: 50%;
}

.timeline-node {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--amber);
}

/* 图片容器基础规则（页面阶段放置图片占位） */
.figure {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(145deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
}

.figure::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(242, 231, 211, 0.16) 1px, transparent 0);
  background-size: 14px 14px;
  opacity: 0.55;
  pointer-events: none;
}

.figure img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure--wide { aspect-ratio: 21 / 9; }
.figure--arch { aspect-ratio: 4 / 5; }
.figure--square { aspect-ratio: 1 / 1; }

.figure-caption {
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(246, 241, 230, 0.6);
}

.paper-panel .figure-caption { color: var(--sage-deep); }

/* ------------------------------------------------------- 入场动效 ----- */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.js-ready [data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================================== 响应式 ==== */
@media (max-width: 1099px) {
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
  .contact-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 959px) {
  body { padding-left: 0; }

  .nav-toggle { display: inline-flex; }

  .header-utils .utils-link:not(.utils-link--latest) { display: none; }
  .header-utils .btn { display: none; }

  .rail-nav {
    justify-content: flex-start;
    top: var(--bar-h);
    left: 0;
    right: 0;
    bottom: 0;
    width: auto;
    padding: 1rem var(--gutter) 2.5rem;
    border-right: 0;
    border-top: 1px solid var(--line-dark);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  }

  .rail-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .rail-list { gap: 0; padding: 0; }

  .rail-link {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0.25rem;
    font-size: 1rem;
    text-align: left;
    border: 0;
    border-bottom: 1px solid var(--line-dark);
    border-radius: 0;
  }

  .rail-link:hover { background: rgba(242, 231, 211, 0.05); }

  .rail-link[aria-current="page"] {
    color: var(--amber);
    background: transparent;
    border-bottom-color: var(--amber);
    box-shadow: inset 3px 0 0 var(--amber);
    padding-left: 0.85rem;
  }

  .rail-link[aria-current="page"] .rail-num { color: var(--amber); }

  .rail-num { font-size: 0.8125rem; }
  .rail-label { font-size: 1rem; }

  .rail-extra {
    display: block;
    margin-top: 1.5rem;
  }

  .rail-extra .btn { width: 100%; }

  .grid-2,
  .grid-3 { grid-template-columns: minmax(0, 1fr); }

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

@media (max-width: 719px) {
  :root { --bar-h: 56px; }

  .brand-name { font-size: 0.9375rem; }
  .brand-sub { letter-spacing: 0.14em; font-size: 0.625rem; }

  .utils-link--latest { font-size: 0.75rem; }

  .nav-toggle-label { display: none; }

  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .contact-list { grid-template-columns: minmax(0, 1fr); }

  .to-top { width: 44px; height: 44px; }
}

@media (max-width: 419px) {
  .brand-sub { display: none; }
  .brand-mark { width: 28px; height: 28px; font-size: 0.8125rem; }
}

/* --------------------------------------------------- 减少动态效果 ----- */
@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;
  }

  .js-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .btn:hover { transform: none; }
  .to-top { transition: none; }
}