/* ============================================================
   球会赛事 · 共享样式 /assets/site.css
   夜间球场 + 战术板数据面板
   ============================================================ */

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

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

body { margin: 0; }

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

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

a { color: inherit; }

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

h1, h2, h3, h4, p, figure, blockquote { margin: 0; }

/* ---------- 2. Tokens ---------- */
:root {
  --night: #051F1A;
  --panel: #0A2E26;
  --line: #123E34;
  --signal: #57F2C1;
  --signal-soft: #B7FFE4;
  --orange: #FF9B4A;
  --coral: #FF6F61;
  --paper: #EAF4EE;
  --muted: #A6C3B8;
  --mid: #1F6F5C;
  --ink: #04150F;

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

  --radius: 2px;
  --header-h: 64px;
  --ease: cubic-bezier(.22, .68, .36, 1);
  --shadow-sheet: 6px 6px 0 -1px #0A2E26, 6px 6px 0 0 #123E34,
                  12px 12px 0 -1px #08241D, 12px 12px 0 0 rgba(18, 62, 52, .65);
}

/* ---------- 3. Base / 中文排版 ---------- */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
  background-color: var(--night);
  background-image:
    radial-gradient(1100px 720px at 82% -12%, rgba(31, 111, 92, .38), transparent 62%),
    radial-gradient(900px 640px at 4% 6%, rgba(87, 242, 193, .09), transparent 58%),
    repeating-linear-gradient(90deg, rgba(18, 62, 52, .18) 0 1px, transparent 1px 96px);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--paper);
}

p { line-height: 1.7; }

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

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 4. 通用工具类 ---------- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.stack { display: grid; gap: clamp(12px, 2vw, 20px); }

/* ---------- 5. 容器与网格 ---------- */
.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.section { padding-block: clamp(32px, 5vw, 64px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  padding-top: 16px;
  margin-bottom: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.section-head__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.section-head__title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -.015em;
}

.grid {
  display: grid;
  gap: clamp(14px, 2vw, 24px);
}

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

@media (min-width: 900px) {
  .grid--split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

/* ---------- 6. 面板 / 标签 / 状态 ---------- */
.panel {
  position: relative;
  background: linear-gradient(158deg, #0C3329, #08251E 72%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(16px, 2.4vw, 26px);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 46, 38, .72);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  white-space: nowrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(5, 31, 26, .66);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.status-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
}

.status-dot[data-state="live"] {
  background: var(--signal);
  animation: dotPulse 2.8s var(--ease) infinite;
}

.status-dot[data-state="maintenance"] {
  background: var(--coral);
  box-shadow: 0 0 0 3px rgba(255, 111, 97, .16);
  animation: none;
}

.status-dot[data-state="compat"] {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 155, 74, .16);
  animation: none;
}

@keyframes dotPulse {
  0%   { box-shadow: 0 0 0 0 rgba(87, 242, 193, .55); }
  70%  { box-shadow: 0 0 0 7px rgba(87, 242, 193, 0); }
  100% { box-shadow: 0 0 0 0 rgba(87, 242, 193, 0); }
}

/* ---------- 7. 按钮 ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 46, 38, .85);
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  overflow: hidden;
  cursor: pointer;
  transition: border-color .18s var(--ease), background-color .18s var(--ease), color .18s var(--ease);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 32%, rgba(183, 255, 228, .26) 50%, transparent 68%);
  transform: translateX(-130%);
  transition: transform .24s var(--ease);
  pointer-events: none;
}

.btn:hover::after,
.btn:focus-visible::after { transform: translateX(130%); }

.btn:hover { border-color: #2C6B5B; background: rgba(18, 62, 52, .9); }

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

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

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--muted);
}

.btn--ghost:hover { color: var(--paper); border-color: #2C6B5B; }

/* ---------- 8. 面包屑 ---------- */
.breadcrumbs {
  padding-block: 14px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: #255446;
}

.breadcrumbs a {
  text-decoration: none;
  transition: color .18s var(--ease);
}

.breadcrumbs a:hover { color: var(--signal-soft); }

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

/* ---------- 9. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 78% 0%, rgba(31, 111, 92, .55), transparent 62%),
    linear-gradient(152deg, #0C3329, #04150F 78%);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(87, 242, 193, .16);
  pointer-events: none;
  z-index: 2;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 31, 26, 0) 38%, rgba(5, 31, 26, .82));
  pointer-events: none;
  z-index: 1;
}

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

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }

.media-frame__caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 12px;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ---------- 10. 站点头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: linear-gradient(180deg, rgba(5, 31, 26, .98), rgba(5, 31, 26, .9));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -72px;
  z-index: 120;
  padding: 10px 18px;
  background: var(--signal);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
  transition: top .2s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible { top: 10px; }

.header-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  min-height: var(--header-h);
  padding: 9px clamp(16px, 4vw, 40px);
}

.header-id {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 18px);
  min-width: 0;
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-left: 14px;
  text-decoration: none;
  color: var(--paper);
  flex: 0 0 auto;
}

.brand::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--signal), rgba(87, 242, 193, 0) 92%);
}

.brand-mark {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 26px;
}

.brand-mark__bar {
  display: block;
  width: 4px;
  border-radius: 1px;
  background: var(--signal);
}

.brand-mark__bar:nth-child(1) { height: 11px; opacity: .5; }
.brand-mark__bar:nth-child(2) { height: 19px; opacity: .78; }
.brand-mark__bar:nth-child(3) { height: 26px; }

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

.brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .03em;
  color: var(--paper);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.version-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 46, 38, .62);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--muted);
  white-space: nowrap;
}

.version-chip .mono { color: var(--signal); font-weight: 700; }

.command-panel {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(10px, 2vw, 22px);
  min-width: 0;
}

.command-nav { min-width: 0; }

.command-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 10px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: color .18s var(--ease), background-color .18s var(--ease);
}

.nav-link__label { display: inline; }

.nav-link__index {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .1em;
  color: #3D7565;
  transition: color .18s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 3px;
  height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s var(--ease);
}

.nav-link:hover { color: var(--paper); }
.nav-link:hover .nav-link__index { color: var(--signal); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { color: var(--paper); }
.nav-link[aria-current="page"] .nav-link__index { color: var(--orange); }
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--orange);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
}

.quick-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 46, 38, .55);
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .02em;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.quick-link:hover {
  color: var(--paper);
  border-color: #2B6355;
  background: rgba(18, 62, 52, .85);
}

.quick-link--signal {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}

.quick-link--signal:hover {
  background: var(--signal-soft);
  border-color: var(--signal-soft);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--paper);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
  transition: border-color .18s var(--ease);
}

.nav-toggle:hover { border-color: #2C6B5B; }

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background: var(--signal);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background: var(--signal);
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

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

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

/* 平板紧凑化 */
@media (max-width: 1120px) {
  .nav-link__index { display: none; }
  .nav-link { padding: 8px 8px; font-size: 13px; }
  .quick-link { padding: 6px 10px; font-size: 12px; }
  .brand-sub { display: none; }
}

/* 移动端命令面板 */
@media (max-width: 899px) {
  .header-bar {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
  }

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

  .command-panel {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 14px clamp(16px, 4vw, 40px) 24px;
    background: linear-gradient(180deg, #07251E, #051F1A);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 26px 44px -30px #000;
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }

  .site-header[data-open] .command-panel { display: flex; }

  .command-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    justify-content: flex-start;
    gap: 10px;
    padding: 13px 8px;
    font-size: 15px;
    border-bottom: 1px solid rgba(18, 62, 52, .75);
  }

  .nav-link__index { display: inline; font-size: 10px; }
  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] { background: rgba(18, 62, 52, .55); }
  .nav-link[aria-current="page"]::after { display: none; }

  .header-actions {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .quick-link { padding: 9px 14px; font-size: 13px; }
}

@media (max-width: 560px) {
  .version-chip__text { display: none; }
  .version-chip { padding: 4px 8px; }
}

/* ---------- 11. 站点页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(40px, 6vw, 90px);
  padding: clamp(28px, 4vw, 56px) 0 clamp(18px, 2.4vw, 28px);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(700px 300px at 88% 0%, rgba(31, 111, 92, .3), transparent 70%),
    linear-gradient(180deg, rgba(10, 46, 38, .0), var(--panel) 24%);
}

.footer-inner {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

/* 纸张叠层 */
.footer-sheet {
  position: relative;
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid var(--line);
  border-radius: 3px;
  background: linear-gradient(160deg, #0C3329, #08261F 72%);
  box-shadow: var(--shadow-sheet);
}

.footer-lead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(18, 62, 52, .95);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 800;
  letter-spacing: .03em;
  color: var(--paper);
}

.footer-domain {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--signal);
}

.footer-note {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 36px);
  padding-top: clamp(18px, 3vw, 28px);
}

@media (min-width: 720px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1000px) {
  .footer-grid { grid-template-columns: 1.15fr .8fr 1fr; }
}

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

.footer-col__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
}

.footer-col__title::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--orange);
  opacity: .75;
}

.footer-list {
  display: grid;
  gap: 9px;
  font-size: 13.5px;
  color: var(--muted);
}

.footer-list a {
  text-decoration: none;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.footer-list a:hover {
  color: var(--signal-soft);
  border-bottom-color: rgba(87, 242, 193, .5);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--paper);
}

.footer-hint {
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

.footer-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.footer-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 18px;
  margin-top: clamp(18px, 3vw, 28px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--muted);
}

.footer-copy,
.footer-icp {
  font-family: var(--font-mono);
  letter-spacing: .1em;
}

.footer-copy [data-year] { color: var(--signal); }

/* ---------- 12. JS 注入组件 ---------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 90;
  background: rgba(18, 62, 52, .7);
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--signal), var(--orange));
  transition: transform .1s linear;
}

.back-to-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 85;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(10, 46, 38, .94);
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s, border-color .18s var(--ease), background-color .18s var(--ease);
}

.back-to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: var(--signal);
  background: #0E3A30;
}

/* 章节显现（仅 JS 可用时生效，避免无脚本环境内容隐藏） */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

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

/* ---------- 13. 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

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

  .back-to-top {
    transform: none;
  }
}