:root {
  --bg: #09101f;
  --panel: #101a2e;
  --panel-2: #162541;
  --paper: #f8fbff;
  --text: #e9f2ff;
  --muted: #9fb1c9;
  --ink: #142033;
  --ink-soft: #4f6078;
  --cyan: #6bd3ff;
  --blue: #0b7dea;
  --blue-soft: rgba(11, 125, 234, .12);
  --rose: #ff779d;
  --gold: #ffd36b;
  --green: #73e0b3;
  --ring: 0 0 0 4px rgba(107, 211, 255, .32);
  --line: rgba(255, 255, 255, .13);
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
  --radius: 8px;
  --max: 1180px;
  --header: 72px;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, summary { font: inherit; }

.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--cyan);
  color: #07101d;
  border-radius: 6px;
}
.skip-link:focus { top: 12px; }

.container {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header);
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  box-shadow: 0 4px 18px rgba(15, 23, 42, .08);
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .98);
  border-bottom-color: rgba(15, 23, 42, .10);
  box-shadow: 0 8px 26px rgba(15, 23, 42, .10);
}
.nav-wrap {
  height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
  color: #13213d;
  transition: color .22s ease, transform .22s ease;
}
.brand img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(15, 23, 42, .12);
  transition: transform .28s ease, box-shadow .28s ease;
}
.brand:hover,
.brand:focus-visible {
  color: var(--blue);
  transform: translateY(-1px);
}
.brand:hover img,
.brand:focus-visible img {
  transform: rotate(-3deg) scale(1.04);
  box-shadow: 0 12px 26px rgba(11, 125, 234, .22);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.site-nav a {
  position: relative;
  padding: 9px 12px;
  color: #2b3954;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  overflow: hidden;
  transition: color .22s ease, background .22s ease, transform .22s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 5px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .22s ease;
}
.site-nav a:hover,
.site-nav a:focus-visible {
  color: #0069c7;
  background: rgba(0, 112, 217, .08);
  transform: translateY(-1px);
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(19, 33, 61, .18);
  border-radius: 7px;
  background: rgba(0, 112, 217, .06);
  padding: 9px;
  cursor: pointer;
  transition: border-color .22s ease, background .22s ease, box-shadow .22s ease, transform .22s ease;
}
.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: rgba(11, 125, 234, .42);
  background: rgba(11, 125, 234, .10);
  box-shadow: var(--ring);
  transform: translateY(-1px);
}
.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: #13213d;
  border-radius: 2px;
  transform-origin: center;
  transition: transform .22s ease, opacity .18s ease;
}
body.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
body.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  animation: heroDrift 18s ease-in-out infinite alternate;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(247, 252, 255, .96) 0%, rgba(247, 252, 255, .88) 36%, rgba(247, 252, 255, .26) 68%),
    linear-gradient(0deg, var(--bg) 0%, rgba(9, 16, 31, 0) 22%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding-top: var(--header);
}
.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
.hero .eyebrow {
  color: #0876bf;
}
.hero h1 {
  width: min(660px, 100%);
  margin: 0;
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: 0;
  color: #143154;
}
.hero-copy {
  width: min(620px, 100%);
  margin: 24px 0 0;
  color: #465a78;
  font-size: 18px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 800;
  border: 1px solid transparent;
  overflow: hidden;
  isolation: isolate;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.54) 45%, transparent 72%);
  transform: translateX(-120%);
  transition: transform .55s ease;
}
.btn:hover,
.btn:focus-visible {
  transform: translateY(-3px);
  outline: none;
}
.btn:hover::before,
.btn:focus-visible::before {
  transform: translateX(120%);
}
.btn-primary {
  color: #07101d;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  box-shadow: 0 14px 34px rgba(107, 211, 255, .22);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 18px 42px rgba(107, 211, 255, .34);
}
.btn-secondary {
  color: #143154;
  border-color: rgba(20, 49, 84, .28);
  background: rgba(255, 255, 255, .64);
}
.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(11, 125, 234, .52);
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 14px 34px rgba(26, 78, 128, .14);
}
.inline-cta { margin-top: 16px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  width: min(690px, 100%);
  margin: 44px 0 0;
}
.hero-stats div {
  padding: 14px 16px;
  border: 1px solid rgba(20, 49, 84, .14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .74);
  backdrop-filter: blur(10px);
  box-shadow: 0 14px 34px rgba(26, 78, 128, .10);
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease, background .24s ease;
}
.hero-stats div:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 125, 234, .34);
  background: rgba(255, 255, 255, .90);
  box-shadow: 0 18px 38px rgba(26, 78, 128, .16);
}
.hero-stats dt {
  color: #637591;
  font-size: 13px;
}
.hero-stats dd {
  margin: 4px 0 0;
  color: #143154;
  font-weight: 800;
}

.section { padding: 92px 0; }
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, .96fr);
  gap: 48px;
  align-items: center;
}
.copy-block h2,
.section-head h2,
.final-inner h2 {
  margin: 0;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.18;
  letter-spacing: 0;
}
.copy-block p,
.section-head p,
.final-inner p {
  color: var(--muted);
  margin: 18px 0 0;
}
.overview {
  background: linear-gradient(180deg, #09101f 0%, #0e182b 100%);
}
.faq {
  background: #fff;
  color: var(--ink);
}
.faq .section-head p {
  color: var(--ink-soft);
}
.media-card {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.media-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.media-card figcaption {
  padding: 14px 16px;
  color: var(--muted);
  font-size: 14px;
}

.feature-band {
  background:
    linear-gradient(180deg, #f8fbff 0%, #edf5ff 100%);
  color: var(--ink);
}
.feature-band .section-kicker,
.works-section .section-kicker,
.review .section-kicker,
.final-cta .section-kicker {
  color: #176c91;
}
.section-head {
  width: min(850px, 100%);
  margin-bottom: 34px;
}
.section-head.narrow {
  width: min(760px, 100%);
  margin-inline: auto;
  text-align: center;
}
.feature-band .section-head {
  width: min(980px, 100%);
  margin-inline: auto;
  text-align: center;
}
.feature-band .section-head h2 {
  max-width: 900px;
  margin-inline: auto;
}
.feature-band .section-head p {
  max-width: 820px;
  margin-inline: auto;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.feature-card {
  position: relative;
  padding: 24px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid #dce8f5;
  box-shadow: 0 12px 30px rgba(29, 54, 88, .08);
  overflow: hidden;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--gold));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .28s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(11, 125, 234, .34);
  box-shadow: 0 20px 44px rgba(29, 54, 88, .14);
}
.feature-card:hover::before {
  transform: scaleX(1);
}
.feature-card .icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 12px;
  border-radius: 8px;
  color: #07101d;
  background: linear-gradient(135deg, #6bd3ff, #ffd36b);
  font-size: 22px;
  font-weight: 800;
  transition: transform .26s ease, box-shadow .26s ease;
}
.feature-card:hover .icon {
  transform: translateY(-2px) rotate(-4deg);
  box-shadow: 0 12px 24px rgba(11, 125, 234, .18);
}
.feature-card h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.35;
}
.feature-card p {
  margin: 0;
  color: var(--ink-soft);
}

.platform-section {
  background: #ffffff;
  color: var(--ink);
}
.platform-section .section-head {
  margin-bottom: 54px;
}
.platform-section .section-head h2 {
  position: relative;
  padding-bottom: 24px;
  color: #2d2d2d;
}
.platform-section .section-head h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 84px;
  height: 4px;
  border-radius: 999px;
  background: #0b7dea;
  transform: translateX(-50%);
}
.platform-section .section-head p {
  color: #666f7d;
}
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
}
.platform-card {
  position: relative;
  min-height: 360px;
  padding: 46px 38px 38px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #e2e7ef;
  box-shadow: 0 5px 18px rgba(15, 23, 42, .10);
  overflow: hidden;
  transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.platform-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  opacity: 0;
  transition: opacity .26s ease;
}
.platform-card:hover {
  transform: translateY(-8px);
  border-color: rgba(11, 125, 234, .32);
  box-shadow: 0 22px 48px rgba(15, 23, 42, .17);
}
.platform-card:hover::before {
  opacity: 1;
}
.platform-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  font-size: 38px;
  line-height: 1;
  transition: transform .28s ease, filter .28s ease;
}
.platform-card:hover .platform-icon {
  transform: translateY(-3px) scale(1.06);
  filter: drop-shadow(0 10px 18px rgba(11, 125, 234, .18));
}
.platform-card h3 {
  margin: 0 0 20px;
  color: #0070d9;
  font-size: 25px;
  line-height: 1.3;
}
.platform-card p {
  margin: 0;
  color: #3f4b5f;
  font-size: 17px;
  line-height: 1.9;
}

.works-section {
  background: #f5f5f5;
  color: var(--ink);
}
.works-section .section-head {
  margin-bottom: 46px;
}
.works-section .section-head h2 {
  position: relative;
  padding-bottom: 22px;
  color: #2d2d2d;
}
.works-section .section-head h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 84px;
  height: 4px;
  border-radius: 999px;
  background: #0b7dea;
  transform: translateX(-50%);
}
.works-section .section-head p {
  color: #6f7480;
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
}
.work-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #eceff4;
  box-shadow: 0 5px 18px rgba(15, 23, 42, .10);
  transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.work-item:hover {
  transform: translateY(-8px);
  border-color: rgba(11, 125, 234, .32);
  box-shadow: 0 24px 50px rgba(15, 23, 42, .17);
}
.work-image-wrapper {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  background: #eef3f8;
}
.work-image-wrapper::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(7, 16, 29, .28) 100%);
  opacity: 0;
  transition: opacity .28s ease;
}
.work-image-wrapper img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform .34s ease, filter .34s ease;
}
.work-item:hover .work-image-wrapper img {
  transform: scale(1.055);
  filter: saturate(1.08) contrast(1.03);
}
.work-item:hover .work-image-wrapper::after {
  opacity: 1;
}
.work-info h3 {
  transition: color .22s ease;
}
.work-item:hover .work-info h3 {
  color: #005eb8;
}
.work-info {
  padding: 22px 24px 24px;
}
.work-info h3 {
  margin: 0 0 10px;
  color: #0070d9;
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: 0;
}
.work-info p {
  min-height: 54px;
  margin: 0 0 14px;
  color: #666;
  font-size: 15px;
}
.work-rating {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 2px;
}
.work-rating .stars {
  display: inline-flex;
  color: #ffb300;
  font-size: 19px;
  line-height: 1;
  letter-spacing: 0;
}
.work-rating .rating-value {
  color: #333;
  font-weight: 800;
}
.work-rating .rating-count {
  color: #777;
  font-size: 14px;
}

.review {
  background: #f8fbff;
  color: var(--ink);
}
.review .copy-block p { color: var(--ink-soft); }
.score-panel {
  padding: 30px;
  border-radius: var(--radius);
  color: #fff;
  background:
    linear-gradient(145deg, rgba(22, 37, 65, .95), rgba(13, 24, 44, .96)),
    url("./img/tu6.webp") center / cover;
  box-shadow: var(--shadow);
  transition: transform .28s ease, box-shadow .28s ease;
}
.score-panel:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 74px rgba(0, 0, 0, .34);
}
.score {
  font-size: 78px;
  line-height: 1;
  font-weight: 900;
  color: var(--gold);
}
.score-panel p {
  margin: 8px 0 22px;
  color: #dceaff;
}
.score-panel ul {
  padding: 0;
  margin: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.score-panel li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.faq-list {
  display: grid;
  gap: 12px;
  width: min(840px, 100%);
  margin: 0 auto;
}
.faq-list details {
  border: 1px solid #dce8f5;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, .08);
  overflow: hidden;
  transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}
.faq-list details:hover,
.faq-list details[open] {
  border-color: rgba(11, 125, 234, .34);
  box-shadow: 0 16px 38px rgba(15, 23, 42, .12);
}
.faq-list details:hover {
  transform: translateY(-2px);
}
.faq-list summary {
  position: relative;
  cursor: pointer;
  padding: 18px 54px 18px 20px;
  color: var(--ink);
  font-weight: 800;
  list-style: none;
  transition: color .22s ease, background .22s ease;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--blue);
  background: var(--blue-soft);
  transform: translateY(-50%);
  transition: transform .22s ease, background .22s ease, color .22s ease;
}
.faq-list summary:hover,
.faq-list summary:focus-visible {
  color: var(--blue);
  background: rgba(11, 125, 234, .04);
  outline: none;
}
.faq-list details[open] summary::after {
  content: "-";
  color: #07101d;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  transform: translateY(-50%) rotate(180deg);
}
.faq-list p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--ink-soft);
}

.final-cta {
  padding: 72px 0;
  color: var(--ink);
  background: linear-gradient(135deg, #dff6ff 0%, #fff4d8 100%);
}
.final-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.final-inner p {
  color: var(--ink-soft);
  width: min(680px, 100%);
}

.site-footer {
  padding: 28px 0;
  color: var(--ink-soft);
  border-top: 1px solid #dce8f5;
  background: #fff;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.footer-inner p { margin: 0; }
.footer-inner nav {
  display: flex;
  gap: 14px;
}
.footer-inner a {
  color: #2b3954;
  font-weight: 700;
  transition: color .2s ease, transform .2s ease;
}
.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: #0069c7;
  transform: translateY(-1px);
}

.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 90;
  display: inline-grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: #005eb8;
  box-shadow: 0 12px 30px rgba(0, 74, 150, .32);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .22s ease, visibility .22s ease, transform .22s ease, background .22s ease;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.back-to-top:hover,
.back-to-top:focus-visible {
  background: #006fd6;
  transform: translateY(-4px) scale(1.04);
  outline: none;
}
.back-to-top:focus-visible {
  box-shadow: 0 0 0 4px rgba(107, 211, 255, .38), 0 12px 30px rgba(0, 74, 150, .32);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes heroDrift {
  from { transform: scale(1); }
  to { transform: scale(1.035); }
}

@media (max-width: 900px) {
  :root { --header: 64px; }
  .container { width: min(100% - 28px, var(--max)); }
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed;
    left: 14px;
    right: 14px;
    top: 72px;
    display: grid;
    gap: 4px;
    padding: 14px;
    background: rgba(255, 255, 255, .98);
    border: 1px solid rgba(15, 23, 42, .10);
    border-radius: 8px;
    box-shadow: 0 18px 46px rgba(15, 23, 42, .16);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  body.nav-open .site-nav {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .site-nav a { padding: 12px; }
  .hero {
    min-height: 720px;
    align-items: end;
  }
  .hero-shade {
    background:
      linear-gradient(180deg, rgba(247, 252, 255, .34) 0%, rgba(247, 252, 255, .88) 52%, rgba(247, 252, 255, .98) 76%, var(--bg) 100%);
  }
  .hero-inner {
    padding-bottom: 54px;
  }
  .hero-copy { font-size: 16px; }
  .hero-stats,
  .split,
  .feature-grid,
  .platform-grid,
  .works-grid {
    grid-template-columns: 1fr;
  }
  .section { padding: 68px 0; }
  .feature-grid { gap: 14px; }
  .final-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .hero { min-height: 680px; }
  .hero h1 { font-size: 32px; }
  .hero-actions .btn,
  .final-inner .btn {
    width: 100%;
  }
  .hero-stats { grid-template-columns: 1fr; }
  .platform-card {
    min-height: 0;
    padding: 32px 28px;
  }
  .work-info p { min-height: 0; }
  .feature-card { padding: 20px; }
  .back-to-top {
    right: 18px;
    bottom: 18px;
    width: 56px;
    height: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}