:root {
  --ink: #171a18;
  --muted: #626964;
  --line: #d9ded9;
  --paper: #ffffff;
  --soft: #f3f5f1;
  --green: #218547;
  --green-dark: #12602f;
  --orange: #e56531;
  --cyan: #16879a;
  --yellow: #e8b634;
  --shell: min(1400px, calc(100% - 56px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.sr-only,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  z-index: 1000;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  padding: 8px 12px;
  margin: 0;
  clip: auto;
  background: #fff;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid rgba(23, 26, 24, 0.1);
}

.utility {
  color: #e8ece8;
  background: #202421;
  font-size: 12px;
}

.utility-inner {
  display: flex;
  min-height: 32px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.utility-links {
  display: flex;
  gap: 22px;
}

.utility a:hover {
  color: #fff;
}

.header-main {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  flex: 0 1 300px;
}

.brand img {
  width: 300px;
  height: 56px;
  object-fit: contain;
  object-position: left center;
}

.primary-nav {
  display: flex;
  align-items: stretch;
  align-self: stretch;
}

.primary-nav a {
  position: relative;
  display: flex;
  min-width: 82px;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  color: #303530;
  font-size: 15px;
}

.primary-nav a::after {
  position: absolute;
  right: 13px;
  bottom: 0;
  left: 13px;
  height: 3px;
  background: var(--green);
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transition: 180ms ease;
}

.primary-nav a:hover,
.primary-nav a.active {
  color: var(--green-dark);
}

.primary-nav a:hover::after,
.primary-nav a.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 24px;
}

.hero {
  position: relative;
  min-height: 540px;
  color: #fff;
  background-image: url("./home-ai/hero-ai-v1.png");
  background-position: center;
  background-size: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 14, 16, 0.76) 0%, rgba(3, 14, 16, 0.58) 42%, rgba(3, 14, 16, 0.18) 76%, rgba(3, 14, 16, 0.08) 100%),
    linear-gradient(0deg, rgba(3, 12, 13, 0.38) 0%, rgba(3, 12, 13, 0) 48%);
}

.hero-inner {
  position: relative;
  display: flex;
  min-height: 540px;
  flex-direction: column;
  justify-content: center;
  padding-block: 64px 106px;
}

.hero-kicker,
.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.hero-kicker {
  color: #a9deb6;
}

.hero h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(38px, 4.7vw, 68px);
  line-height: 1.16;
  font-weight: 800;
}

.hero-lead {
  max-width: 900px;
  margin: 22px 0 0;
  font-size: clamp(19px, 2vw, 28px);
  line-height: 1.45;
  font-weight: 600;
}

.hero-copy {
  max-width: 760px;
  margin: 12px 0 0;
  color: #e2e8e3;
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 700;
  transition: 180ms ease;
}

.button-primary {
  color: #fff;
  background: var(--green);
}

.button-primary:hover {
  background: var(--green-dark);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
  background: rgba(0, 0, 0, 0.18);
}

.button-ghost:hover {
  border-color: #fff;
  background: rgba(0, 0, 0, 0.38);
}

.button-dark {
  color: #fff;
  background: var(--ink);
}

.button-dark:hover {
  background: var(--green-dark);
}

.button-light {
  color: var(--green-dark);
  background: #fff;
}

.button-light:hover {
  color: #fff;
  background: var(--ink);
}

.hero-index {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(8, 18, 15, 0.5);
}

.hero-index a {
  display: flex;
  min-height: 78px;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  transition: 180ms ease;
}

.hero-index a:last-child {
  border-right: 0;
}

.hero-index strong {
  color: #a9deb6;
  font-size: 13px;
}

.hero-index span {
  font-size: 15px;
  font-weight: 700;
}

.hero-index a:hover {
  background: var(--green);
}

.hero-index a:hover strong {
  color: #fff;
}

.quick-links {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.quick-grid a {
  position: relative;
  display: flex;
  min-height: 82px;
  flex-direction: column;
  justify-content: center;
  padding: 14px 28px;
  border-right: 1px solid var(--line);
}

.quick-grid a:first-child {
  border-left: 1px solid var(--line);
}

.quick-grid a::before {
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 0;
  width: 3px;
  background: var(--green);
  content: "";
  opacity: 0;
}

.quick-grid a:hover::before {
  opacity: 1;
}

.quick-grid span {
  font-size: 15px;
  font-weight: 800;
}

.quick-grid b {
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}

.section {
  padding-block: 86px;
}

.business-section {
  background: var(--soft);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(420px, 1.1fr);
  align-items: end;
  gap: 70px;
  margin-bottom: 36px;
}

.section-heading h2,
.process-intro h2,
.company-content h2,
.contact-band h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.25;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
}

.business-grid {
  display: grid;
  grid-auto-rows: 220px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.business-tile {
  position: relative;
  min-width: 0;
  overflow: hidden;
  color: #fff;
  background: #26312a;
}

.business-tile-featured {
  grid-column: span 2;
  grid-row: span 2;
}

.business-tile-animation {
  grid-column: span 2;
}

.business-tile-animation img {
  object-position: center 46%;
}

.business-tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 420ms ease;
}

.business-tile-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 14, 10, 0.9) 0%, rgba(8, 14, 10, 0.22) 62%, rgba(8, 14, 10, 0.06) 100%);
  transition: background 220ms ease;
}

.business-tile-content {
  position: absolute;
  right: 22px;
  bottom: 20px;
  left: 22px;
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
}

.business-tile-content small {
  margin-bottom: 7px;
  color: #b9e8c5;
  font-size: 11px;
  font-weight: 800;
}

.business-tile-content strong {
  max-width: 100%;
  font-size: 21px;
  line-height: 1.28;
}

.business-tile-content > span {
  max-width: 100%;
  margin-top: 7px;
  overflow: hidden;
  color: #dce5de;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.business-tile-featured .business-tile-content {
  right: 32px;
  bottom: 30px;
  left: 32px;
}

.business-tile-featured .business-tile-content strong {
  max-width: 430px;
  font-size: 32px;
}

.business-tile-featured .business-tile-content > span {
  font-size: 15px;
}

.business-tile-arrow {
  position: absolute;
  top: 18px;
  right: 18px;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  font-size: 18px;
  opacity: 0;
  transform: translateX(-6px);
  transition: 200ms ease;
}

.business-tile:hover img {
  transform: scale(1.045);
}

.business-tile:hover .business-tile-shade {
  background: linear-gradient(to top, rgba(18, 96, 47, 0.94) 0%, rgba(8, 35, 20, 0.3) 65%, rgba(8, 14, 10, 0.08) 100%);
}

.business-tile:hover .business-tile-arrow {
  opacity: 1;
  transform: translateX(0);
}

.process-section {
  padding-block: 88px;
  color: #fff;
  background: #1d211e;
}

.process-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(580px, 1.2fr);
  gap: 92px;
  align-items: start;
}

.process-intro {
  position: sticky;
  top: 134px;
}

.process-intro .eyebrow {
  color: #a9deb6;
}

.process-intro > p:not(.eyebrow) {
  margin: 22px 0;
  color: #bac2bc;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-weight: 800;
}

.process-intro .text-link {
  color: #a9deb6;
}

.text-link span {
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translateX(4px);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid #3c423e;
  border-left: 1px solid #3c423e;
  list-style: none;
}

.process-list li {
  display: flex;
  min-height: 150px;
  gap: 18px;
  padding: 28px 24px;
  border-right: 1px solid #3c423e;
  border-bottom: 1px solid #3c423e;
}

.process-list b {
  color: #7ac18d;
  font-size: 13px;
}

.process-list div {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.process-list strong {
  font-size: 18px;
}

.process-list span {
  color: #aeb6b0;
  font-size: 14px;
}

.cases-section {
  background: #fff;
}

.cases-heading {
  align-items: center;
}

.case-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.case-filters button {
  min-height: 38px;
  padding: 6px 15px;
  border: 1px solid var(--line);
  color: #465048;
  background: #fff;
  border-radius: 3px;
  cursor: pointer;
  font-size: 14px;
}

.case-filters button:hover,
.case-filters button.active {
  border-color: var(--green);
  color: #fff;
  background: var(--green);
}

.case-grid {
  display: grid;
  grid-auto-flow: dense;
  grid-auto-rows: 250px;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.case-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  background: #dce1dd;
}

.case-card.is-hidden {
  display: none;
}

.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.case-large {
  grid-column: span 2;
  grid-row: span 2;
}

.case-wide {
  grid-column: span 2;
}

.case-binjiang img {
  object-position: center 60%;
}

.case-jiangyou img {
  object-position: center 48%;
}

.case-yihai img {
  object-position: center 52%;
}

.case-zhihe img {
  object-position: center 48%;
}

.case-puer img {
  object-position: center 54%;
}

.case-waterdance img {
  object-position: center 58%;
}

.case-holographic-screen img {
  object-position: center 58%;
}

.case-overlay {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  min-height: 82px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  color: #fff;
  background: rgba(10, 14, 11, 0.72);
}

.case-overlay small {
  color: #b9e8c5;
  font-size: 12px;
}

.case-overlay strong {
  overflow: hidden;
  font-size: 17px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-card:hover img {
  transform: scale(1.04);
}

.section-action {
  display: flex;
  justify-content: center;
  margin-top: 34px;
}

.company-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(520px, 0.95fr);
  min-height: 620px;
  background: var(--soft);
}

.company-image {
  min-height: 540px;
  background-image: url("./home-ai/company-integrated-v1.png");
  background-position: center;
  background-size: cover;
}

.company-content {
  display: flex;
  max-width: 710px;
  flex-direction: column;
  justify-content: center;
  padding: 72px 72px 72px 9%;
}

.company-content > p:not(.eyebrow) {
  margin: 22px 0;
  color: var(--muted);
}

.capability-tags {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.capability-tags span {
  padding: 12px 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}

.company-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 28px;
}

.contact-band {
  padding-block: 58px;
  color: #fff;
  background: var(--green);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(500px, 1.2fr) minmax(380px, 0.8fr);
  align-items: center;
  gap: 70px;
}

.contact-band .eyebrow {
  color: #c8ecd2;
}

.contact-band h2 {
  font-size: clamp(26px, 2.6vw, 38px);
}

.contact-band p:not(.eyebrow) {
  margin: 12px 0 0;
  color: #e0f0e4;
}

.contact-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
}

.contact-phone {
  display: flex;
  flex-direction: column;
}

.contact-phone small {
  color: #d4ead9;
}

.contact-phone strong {
  font-size: 25px;
}

.site-footer {
  padding-top: 58px;
  color: #c9cfca;
  background: #171a18;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.7fr 0.7fr 1.35fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand {
  position: relative;
  padding-top: 4px;
}

.footer-brand::before {
  display: block;
  width: 48px;
  height: 3px;
  margin-bottom: 22px;
  background: #3eb96b;
  content: "";
}

.footer-brand img {
  width: 272px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  object-position: left center;
}

.footer-brand-copy {
  margin-top: 18px;
}

.footer-brand-copy strong {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

.footer-brand p {
  margin: 5px 0 0;
  color: #9ba59e;
  font-size: 14px;
}

.footer-grid h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 15px;
}

.footer-grid > div:not(.footer-brand) > a {
  display: block;
  padding-block: 3px;
  color: #c9cfca;
  font-size: 14px;
}

.footer-grid a:hover {
  color: #fff;
}

.footer-contact p {
  margin: 0 0 5px;
  font-size: 14px;
}

.footer-bottom {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid #303532;
  color: #8f9891;
  font-size: 12px;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  color: inherit;
}

.footer-bottom a:hover {
  color: #fff;
}

.back-top {
  position: fixed;
  z-index: 90;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border: 0;
  color: #fff;
  background: var(--ink);
  border-radius: 4px;
  cursor: pointer;
  font-size: 21px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: 180ms ease;
}

.back-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--green);
}

@media (max-width: 1180px) {
  :root {
    --shell: min(100% - 40px, 1120px);
  }

  .brand {
    flex-basis: 245px;
  }

  .brand img {
    width: 245px;
  }

  .primary-nav a {
    min-width: 70px;
    padding-inline: 9px;
    font-size: 14px;
  }

  .process-layout {
    gap: 50px;
  }

  .case-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .company-content {
    padding-inline: 54px;
  }
}

@media (max-width: 920px) {
  :root {
    --shell: calc(100% - 32px);
  }

  .utility {
    display: none;
  }

  .header-main {
    min-height: 68px;
  }

  .brand {
    flex-basis: 235px;
  }

  .brand img {
    width: 235px;
    height: 50px;
  }

  .menu-toggle {
    display: inline-flex;
    flex: 0 0 44px;
    align-items: center;
    justify-content: center;
  }

  .primary-nav {
    position: fixed;
    z-index: 99;
    top: 68px;
    right: 0;
    bottom: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.99);
  }

  .primary-nav.open {
    display: flex;
  }

  .primary-nav a {
    min-height: 54px;
    justify-content: flex-start;
    padding-inline: 16px;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }

  .primary-nav a::after {
    display: none;
  }

  .hero,
  .hero-inner {
    min-height: 560px;
  }

  .hero-inner {
    padding-bottom: 160px;
  }

  .hero-index {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-index a {
    min-height: 62px;
    padding: 8px 12px;
  }

  .section {
    padding-block: 68px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .business-tile-featured {
    grid-column: span 2;
    grid-row: span 1;
  }

  .business-tile-animation {
    grid-column: span 2;
  }

  .process-layout {
    grid-template-columns: 1fr;
  }

  .process-intro {
    position: static;
  }

  .case-grid {
    grid-auto-rows: 220px;
    grid-template-columns: repeat(2, 1fr);
  }

  .case-large {
    grid-row: span 1;
  }

  .company-section {
    grid-template-columns: 1fr;
  }

  .company-image {
    min-height: 420px;
  }

  .company-content {
    max-width: none;
    padding: 60px max(32px, calc((100vw - 760px) / 2));
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-actions {
    justify-content: flex-start;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  :root {
    --shell: calc(100% - 24px);
  }

  .site-header {
    position: relative;
  }

  .header-main {
    min-height: 64px;
  }

  .brand {
    flex-basis: 205px;
  }

  .brand img {
    width: 205px;
    height: 44px;
  }

  .primary-nav {
    top: 64px;
  }

  .hero {
    min-height: 630px;
    background-position: 64% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(3, 14, 16, 0.76) 0%, rgba(3, 14, 16, 0.55) 72%, rgba(3, 14, 16, 0.28) 100%),
      linear-gradient(0deg, rgba(3, 12, 13, 0.5) 0%, rgba(3, 12, 13, 0.08) 55%);
  }

  .hero-inner {
    min-height: 630px;
    justify-content: flex-start;
    padding-top: 62px;
    padding-bottom: 220px;
  }

  .hero h1 {
    font-size: 36px;
    line-height: 1.2;
  }

  .hero-lead {
    margin-top: 18px;
    font-size: 19px;
  }

  .hero-copy {
    font-size: 14px;
  }

  .hero-index {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-index a {
    min-height: 58px;
  }

  .hero-index strong {
    display: none;
  }

  .hero-index span {
    font-size: 13px;
  }

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

  .quick-grid a,
  .quick-grid a:first-child {
    min-height: 68px;
    padding-inline: 18px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .section {
    padding-block: 54px;
  }

  .section-heading {
    margin-bottom: 26px;
  }

  .section-heading h2,
  .process-intro h2,
  .company-content h2,
  .contact-band h2 {
    font-size: 29px;
  }

  .business-grid {
    grid-auto-rows: 210px;
    grid-template-columns: 1fr;
  }

  .business-tile-featured {
    grid-column: span 1;
  }

  .business-tile-animation {
    grid-column: span 1;
  }

  .business-tile-content,
  .business-tile-featured .business-tile-content {
    right: 18px;
    bottom: 17px;
    left: 18px;
  }

  .business-tile-content strong,
  .business-tile-featured .business-tile-content strong {
    font-size: 23px;
  }

  .business-tile-content > span,
  .business-tile-featured .business-tile-content > span {
    font-size: 13px;
  }

  .process-section {
    padding-block: 58px;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .process-list li {
    min-height: 120px;
    padding: 22px 18px;
  }

  .cases-heading {
    align-items: start;
  }

  .case-filters {
    justify-content: flex-start;
  }

  .case-filters button {
    padding-inline: 12px;
  }

  .case-grid {
    grid-auto-rows: 220px;
    grid-template-columns: 1fr;
  }

  .case-large,
  .case-wide {
    grid-column: span 1;
  }

  .company-image {
    min-height: 300px;
  }

  .company-content {
    padding: 48px 20px;
  }

  .capability-tags {
    grid-template-columns: 1fr;
  }

  .company-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .contact-band {
    padding-block: 48px;
  }

  .contact-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 16px;
  }

  .back-top {
    right: 14px;
    bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}