/* ==========================================================================
   博万娱乐 · 共享样式 /assets/site.css
   夜间档案室 × 票据核对台：墨蓝分区块、暖灰阅读区、琥珀编号、朱砂状态
   ========================================================================== */

/* ---------- 01 重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--head-h) + 18px);
}

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

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

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

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

button, input, select, textarea { font: inherit; color: inherit; }

button { background: none; border: 0; padding: 0; cursor: pointer; }

table { border-collapse: collapse; border-spacing: 0; }

hr { border: 0; border-top: 1px solid var(--line-300); margin: 0; }

/* ---------- 02 变量 ---------- */
:root {
  --ink-950: #0A121B;
  --ink-800: #14283C;
  --ink-600: #2F4A66;
  --amber-600: #B8791F;
  --amber-300: #E4C083;
  --cinnabar-500: #C0392B;
  --moss-600: #4C6B55;
  --paper-50: #FAF7F1;
  --paper-100: #F0EBE1;
  --line-300: #D5CDBF;
  --text-900: #12171C;
  --text-500: #55606B;

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

  --head-h: 72px;
  --w-max: 1240px;
  --gutter: clamp(18px, 4vw, 44px);
  --radius: 2px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --line-amber: rgba(228, 192, 131, .22);
  --line-amber-soft: rgba(228, 192, 131, .14);
  --on-ink: rgba(240, 235, 225, .84);
  --on-ink-dim: rgba(240, 235, 225, .6);
}

/* ---------- 03 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--paper-50);
  background-image:
    linear-gradient(rgba(10, 18, 27, .022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 18, 27, .022) 1px, transparent 1px);
  background-size: 34px 34px;
  color: var(--text-900);
  font-family: var(--font-body);
  font-size: clamp(15.5px, .42vw + 14.2px, 17px);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -.01em;
  line-height: 1.15;
  color: inherit;
}

h1 { font-size: clamp(2.2rem, 4.8vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 2.4vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; line-height: 1.35; }
h4 { font-size: 1.05rem; font-weight: 700; line-height: 1.4; }

strong, b { font-weight: 700; }

.mono {
  font-family: var(--font-mono);
  font-size: .82em;
  letter-spacing: .06em;
}

.lede {
  font-size: clamp(1.02rem, 1.1vw + .8rem, 1.24rem);
  line-height: 1.7;
  color: var(--text-500);
}

::selection { background: var(--amber-300); color: var(--ink-950); }

/* ---------- 04 布局工具 ---------- */
.container {
  width: min(100% - (var(--gutter) * 2), var(--w-max));
  margin-inline: auto;
}

.page-top { padding-top: calc(var(--head-h) + clamp(26px, 4.5vw, 58px)); }

.band {
  position: relative;
  padding-block: clamp(42px, 5.6vw, 82px);
}

.band--ink {
  background: var(--ink-950);
  color: var(--on-ink);
}

.band--ink h1,
.band--ink h2,
.band--ink h3 { color: var(--paper-50); }

.band--ink a { color: var(--amber-300); }

.band--paper { background: var(--paper-50); color: var(--text-900); }

.band--paper-2 { background: var(--paper-100); color: var(--text-900); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

.col-note { grid-column: 1 / span 3; }
.col-main { grid-column: 4 / span 9; }

.prose {
  max-width: 72ch;
  font-size: clamp(16px, .4vw + 15px, 17px);
  line-height: 1.75;
}

.prose p + p,
.prose ul + p,
.prose p + ul,
.prose p + ol { margin-top: 1.2em; }

.prose ul,
.prose ol {
  margin-top: 1.2em;
  padding-left: 1.2em;
  list-style: none;
}

.prose li { position: relative; padding-left: 1.1em; }
.prose li + li { margin-top: .55em; }

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 1px;
  background: var(--amber-600);
}

.prose a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--amber-600);
  text-decoration-thickness: 1px;
  text-underline-offset: .22em;
  transition: color .2s var(--ease), text-decoration-color .2s var(--ease);
}

.prose a:hover { color: var(--amber-600); text-decoration-color: var(--amber-300); }

.band--ink .prose a { text-decoration-color: var(--amber-600); }
.band--ink .prose a:hover { color: var(--amber-300); }

.sec-head {
  display: flex;
  align-items: baseline;
  gap: .9em;
  margin-bottom: 1.35em;
}

.sec-head__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--amber-600);
  flex: none;
}

.band--ink .sec-head__num { color: var(--amber-300); }

/* ---------- 05 基础组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .62em 1.1em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: .88rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: .04em;
  transition: background-color .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), transform .2s var(--ease);
}

.btn:active { transform: translateY(1px); }

.btn--line {
  background: transparent;
  border-color: rgba(228, 192, 131, .55);
  color: var(--amber-300);
}

.btn--line:hover,
.btn--line:focus-visible {
  background: var(--amber-600);
  border-color: var(--amber-600);
  color: var(--ink-950);
}

.btn--solid {
  background: var(--amber-600);
  border-color: var(--amber-600);
  color: var(--ink-950);
}

.btn--solid:hover,
.btn--solid:focus-visible {
  background: var(--amber-300);
  border-color: var(--amber-300);
}

.btn--paper {
  background: var(--paper-50);
  border-color: var(--line-300);
  color: var(--text-900);
}

.btn--paper:hover,
.btn--paper:focus-visible {
  background: var(--paper-100);
  border-color: var(--ink-600);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55em;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--text-500);
}

.crumbs a {
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.crumbs a:hover { color: var(--amber-600); border-bottom-color: var(--amber-600); }

.crumbs__sep { color: var(--amber-600); }

.band--ink .crumbs { color: var(--on-ink-dim); }

.img-frame {
  position: relative;
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid var(--line-300);
  border-radius: var(--radius);
}

.img-frame img,
.img-frame picture {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.72) contrast(1.02) sepia(.06);
}

.img-frame--wide { aspect-ratio: 16 / 9; }
.img-frame--tall { aspect-ratio: 3 / 4; }
.img-frame--square { aspect-ratio: 1 / 1; }
.img-frame--paper { background: var(--paper-100); }

.band--ink .img-frame { border-color: rgba(228, 192, 131, .26); }

.img-frame__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .5em .75em;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .09em;
  color: var(--amber-300);
  background: rgba(10, 18, 27, .82);
}

.stamp {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  padding: .22em .55em;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  line-height: 1.5;
  white-space: nowrap;
}

.stamp--diff { color: var(--cinnabar-500); }
.stamp--ok { color: var(--moss-600); }
.stamp--info { color: var(--amber-600); }

.band--ink .stamp--diff { color: #E07A6E; }
.band--ink .stamp--ok { color: #8FB59A; }
.band--ink .stamp--info { color: var(--amber-300); }

.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .32s var(--ease), transform .32s var(--ease);
}

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

.toc { position: sticky; top: calc(var(--head-h) + 26px); }

.toc__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--line-300);
}

.toc__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: .6em;
  padding: .42em .85em;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--text-500);
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.toc__link::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background-color .2s var(--ease);
}

.toc__link:hover { color: var(--amber-600); }

.toc__link[data-active] { color: var(--text-900); padding-left: 1.05em; }

.toc__link[data-active]::before { background: var(--amber-600); }

.band--ink .toc__list { border-left-color: rgba(228, 192, 131, .26); }
.band--ink .toc__link { color: var(--on-ink-dim); }
.band--ink .toc__link:hover { color: var(--amber-300); }
.band--ink .toc__link[data-active] { color: var(--amber-300); }
.band--ink .toc__link[data-active]::before { background: var(--amber-300); }

/* ---------- 06 头部 ---------- */
.skip-link {
  position: absolute;
  left: 50%;
  top: -120px;
  transform: translateX(-50%);
  z-index: 120;
  padding: .7em 1.3em;
  background: var(--amber-300);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  border-radius: 0 0 var(--radius) var(--radius);
  transition: top .2s var(--ease);
}

.skip-link:focus { top: 0; }

.masthead {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background-color: rgba(10, 18, 27, .66);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  backdrop-filter: blur(8px) saturate(120%);
  border-bottom: 1px solid var(--line-amber-soft);
  transition: background-color .26s var(--ease), border-color .26s var(--ease),
              box-shadow .26s var(--ease);
}

.masthead[data-scrolled] {
  background-color: var(--ink-800);
  border-bottom-color: rgba(228, 192, 131, .3);
  box-shadow: 0 14px 30px -20px rgba(10, 18, 27, .9);
}

.masthead__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(14px, 2.6vw, 38px);
  padding-block: 16px;
  transition: padding-block .26s var(--ease);
}

.masthead[data-scrolled] .masthead__inner { padding-block: 9px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7em;
  min-width: 0;
}

.brand__mark {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  border: 1px solid var(--amber-600);
  border-radius: var(--radius);
  color: var(--amber-300);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.brand:hover .brand__mark { border-color: var(--amber-300); color: var(--amber-600); }

.brand__text {
  display: flex;
  flex-direction: column;
  gap: .12em;
  min-width: 0;
  line-height: 1.2;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--paper-50);
}

.brand__tag {
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .12em;
  color: rgba(228, 192, 131, .72);
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(10px, 2vw, 26px);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.4vw, 20px);
  flex-wrap: nowrap;
}

.nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: .45em;
  padding: .45em .1em;
  border-bottom: 2px solid transparent;
  font-size: .94rem;
  color: var(--on-ink);
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.nav__idx {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .08em;
  color: rgba(228, 192, 131, .62);
  transition: color .2s var(--ease);
}

.nav__link:hover { color: var(--amber-300); }
.nav__link:hover .nav__idx { color: var(--amber-600); }

.nav__link[aria-current="page"] {
  color: var(--amber-300);
  border-bottom-color: var(--amber-600);
}

.nav__link[aria-current="page"] .nav__idx { color: var(--amber-600); }

.nav__foot { display: none; }
.nav__hours { display: none; }

.masthead__tools {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-self: end;
}

.masthead__cta { white-space: nowrap; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: .6em;
  padding: .5em .8em;
  border: 1px solid rgba(228, 192, 131, .42);
  border-radius: var(--radius);
  color: var(--amber-300);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  transition: background-color .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease);
}

.nav-toggle:hover { background: rgba(228, 192, 131, .12); }

.nav-toggle__bars { display: inline-grid; gap: 3px; }

.nav-toggle__bars i {
  display: block;
  width: 16px;
  height: 1.5px;
  background: currentColor;
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}

.nav-toggle[aria-expanded="true"] { color: var(--ink-950); background: var(--amber-300); border-color: var(--amber-300); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }

/* ---------- 07 页脚 ---------- */
.site-foot {
  position: relative;
  overflow: hidden;
  padding-block: clamp(40px, 5.5vw, 76px) clamp(22px, 3vw, 34px);
  background: var(--ink-950);
  color: rgba(240, 235, 225, .86);
  border-top: 1px solid rgba(228, 192, 131, .24);
}

.site-foot::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(228, 192, 131, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(228, 192, 131, .05) 1px, transparent 1px);
  background-size: 46px 46px;
}

.site-foot__inner { position: relative; }

.foot__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr);
  gap: clamp(26px, 4vw, 60px);
  padding-bottom: clamp(24px, 3.4vw, 44px);
  border-bottom: 1px solid var(--line-amber-soft);
}

.foot__brand {
  display: flex;
  align-items: center;
  gap: .6em;
  font-family: var(--font-display);
  font-size: 1.24rem;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--paper-50);
}

.foot__mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--amber-600);
  border-radius: var(--radius);
  color: var(--amber-300);
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .06em;
}

.foot__desc {
  margin-top: .9em;
  max-width: 34ch;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--on-ink-dim);
}

.foot__nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 28px);
}

.foot__title {
  margin-bottom: .9em;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--amber-600);
}

.foot__list { display: flex; flex-direction: column; gap: .55em; }

.foot__link {
  display: inline-block;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  font-size: .92rem;
  color: rgba(240, 235, 225, .8);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.foot__link:hover { color: var(--amber-300); border-bottom-color: rgba(228, 192, 131, .55); }

.foot__meta {
  display: grid;
  gap: .5em;
  padding-block: clamp(18px, 2.4vw, 28px);
  font-size: .86rem;
  color: var(--on-ink-dim);
}

.foot__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35em .55em;
}

.foot__label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: rgba(228, 192, 131, .62);
}

.foot__mono {
  font-family: var(--font-mono);
  font-size: .86rem;
  letter-spacing: .02em;
  color: var(--paper-100);
}

.foot__sep { color: rgba(228, 192, 131, .4); }

.foot__address { font-size: .86rem; color: rgba(240, 235, 225, .58); }

.foot__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .6em 1.4em;
  padding-top: clamp(14px, 2vw, 22px);
  border-top: 1px solid var(--line-amber-soft);
  font-size: .78rem;
  color: rgba(240, 235, 225, .54);
}

.foot__legal .foot__mono { font-size: .78rem; color: rgba(240, 235, 225, .7); }

/* ---------- 08 阅读辅助（脚本注入） ---------- */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 95;
  pointer-events: none;
}

.progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(var(--p, 0));
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--amber-600), var(--amber-300));
}

.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 30px);
  bottom: clamp(14px, 3vw, 30px);
  z-index: 68;
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: .62em .95em;
  background: var(--ink-800);
  color: var(--amber-300);
  border: 1px solid rgba(228, 192, 131, .38);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .24s var(--ease), transform .24s var(--ease),
              visibility .24s linear, background-color .2s var(--ease);
}

.to-top:hover { background: var(--ink-600); }

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

/* ---------- 09 焦点与可访问性 ---------- */
:focus-visible {
  outline: 2px solid var(--amber-600);
  outline-offset: 2px;
  border-radius: var(--radius);
}

.masthead :focus-visible,
.site-foot :focus-visible,
.band--ink :focus-visible,
.to-top:focus-visible {
  outline-color: var(--amber-300);
}

html[data-nav-open] { overflow: hidden; }

/* ---------- 10 响应式 ---------- */
@media (max-width: 1150px) and (min-width: 961px) {
  .nav__link { font-size: .84rem; }
  .nav__link .nav__idx { font-size: .58rem; }
  .brand__tag { display: none; }
}

@media (max-width: 960px) {
  .masthead__cta { display: none; }

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

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 70;
    display: block;
    padding: calc(var(--head-h) + 22px) clamp(20px, 6vw, 46px) 40px;
    background-color: var(--ink-950);
    background-image:
      linear-gradient(rgba(228, 192, 131, .05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(228, 192, 131, .05) 1px, transparent 1px);
    background-size: 44px 44px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .22s var(--ease), transform .22s var(--ease),
                visibility .22s linear;
  }

  .nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav__list { display: block; }

  .nav__item { border-bottom: 1px solid var(--line-amber-soft); }

  .nav__link {
    display: flex;
    align-items: baseline;
    gap: .9em;
    padding: 1.02em .1em;
    border-bottom: 0;
    font-family: var(--font-display);
    font-size: 1.16rem;
    font-weight: 700;
    color: var(--paper-100);
  }

  .nav__idx { font-size: .74rem; color: var(--amber-600); }

  .nav__link[aria-current="page"] {
    color: var(--amber-300);
    border-bottom-color: transparent;
  }

  .nav__foot {
    display: block;
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid rgba(228, 192, 131, .18);
  }

  .nav__foot .btn { width: 100%; }

  .nav__hours {
    display: block;
    margin-top: .85em;
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .08em;
    color: rgba(228, 192, 131, .6);
  }
}

@media (max-width: 900px) {
  .grid-12 { grid-template-columns: minmax(0, 1fr); }
  .col-note, .col-main { grid-column: 1 / -1; }
  .toc { position: static; }

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

@media (max-width: 720px) {
  .foot__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 20px; }
  .foot__desc { max-width: none; }
}

@media (max-width: 560px) {
  .brand__tag { display: none; }
  .brand__name { font-size: 1rem; }
  .brand__mark { width: 30px; height: 30px; font-size: .62rem; }
  .foot__legal { justify-content: flex-start; }
}

/* ---------- 11 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .reveal { opacity: 1; transform: none; }

  .to-top { transform: none; }
}