:root {
  --accent: #25b55f;
  --ink: #101416;
  --muted: #747b80;
  --line: rgba(16, 20, 22, .12);
  --panel: #f4f6f5;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: #fff;
}
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button, input { font: inherit; }

.site-header {
  position: fixed;
  top: 20px;
  left: 2%;
  right: 2%;
  z-index: 50;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  transition: all .35s ease;
}
.site-header.is-scrolled {
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  padding: 0 2%;
  color: #111;
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
  backdrop-filter: blur(16px);
}
.brand svg {
  width: 42px;
  height: auto;
  fill: currentColor;
}
.desktop-nav {
  display: flex;
  gap: 38px;
  margin-left: auto;
  margin-right: 46px;
  font-size: 16px;
}
.desktop-nav a {
  position: relative;
  line-height: 80px;
}
.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 16px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: width .25s ease;
}
.desktop-nav a:hover::after { width: 100%; }
.header-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}
.dealer {
  display: grid;
  place-items: center;
  width: 128px;
  height: 38px;
  border: 2px solid currentColor;
  border-radius: 999px;
  font-size: 14px;
}
.dealer:hover {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}
.icon-button,
.menu-button,
.lang-button {
  border: 0;
  padding: 0;
  color: inherit;
  background: transparent;
  cursor: pointer;
}
.icon-button {
  width: 22px;
  height: 22px;
  border: 2px solid currentColor;
  border-radius: 50%;
  position: relative;
}
.icon-button span {
  position: absolute;
  width: 10px;
  height: 2px;
  right: -7px;
  bottom: -4px;
  background: currentColor;
  transform: rotate(45deg);
}
.language { position: relative; }
.lang-button { font-size: 14px; }
.lang-menu {
  position: absolute;
  top: 42px;
  left: 50%;
  min-width: 120px;
  padding: 8px 0;
  color: #fff;
  background: var(--accent);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(12px);
  transition: all .25s ease;
}
.language:hover .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.lang-menu a {
  display: block;
  padding: 9px 18px;
  text-align: center;
}
.menu-button {
  display: none;
  width: 30px;
  height: 24px;
  position: relative;
}
.menu-button span {
  position: absolute;
  right: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: all .25s ease;
}
.menu-button span:nth-child(1) { top: 2px; }
.menu-button span:nth-child(2) { top: 11px; width: 70%; }
.menu-button span:nth-child(3) { bottom: 2px; }
.menu-button.is-open span:nth-child(1) { top: 11px; transform: rotate(45deg); }
.menu-button.is-open span:nth-child(2) { opacity: 0; }
.menu-button.is-open span:nth-child(3) { bottom: 11px; transform: rotate(-45deg); }
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  padding: 12px 24px 30px;
  color: #111;
  background: #fff;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .12);
}
.mobile-nav a {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid #eee;
}
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, .58);
}
.search-modal.is-open { display: grid; }
.search-modal > button {
  position: absolute;
  top: 24px;
  right: 28px;
  border: 0;
  color: #fff;
  font-size: 44px;
  background: transparent;
  cursor: pointer;
}
.search-modal h2 {
  margin: 0 0 28px;
  font-size: 26px;
}
.search-modal form {
  width: min(920px, 94vw);
  padding: 64px 5%;
  background: #fff;
}
.search-modal input {
  width: calc(100% - 110px);
  height: 48px;
  padding: 0 18px;
  border: 1px solid #e5e5e5;
}
.search-modal form button {
  width: 110px;
  height: 48px;
  border: 0;
  color: #fff;
  background: #111;
  cursor: pointer;
}

.hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  background: #050607;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 1s ease;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
}
.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.48), rgba(0,0,0,.08) 58%, rgba(0,0,0,.28));
}
.hero-slide img,
.hero-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-copy {
  position: absolute;
  top: 50%;
  left: 8%;
  z-index: 1;
  color: #fff;
  transform: translateY(-45%);
}
.hero-copy p {
  margin: 0 0 18px;
  letter-spacing: .18em;
  font-size: 16px;
  text-transform: uppercase;
}
.hero-copy h1 {
  margin: 0;
  font-size: clamp(44px, 5.8vw, 104px);
  font-weight: 500;
  line-height: 1.05;
}
.hero-copy span {
  display: block;
  margin-top: 24px;
  font-size: clamp(18px, 1.7vw, 30px);
}
.hero-controls {
  position: absolute;
  right: 5%;
  bottom: 52px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 22px;
}
.hero-controls button {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  cursor: pointer;
}
.hero-controls button::before {
  content: "";
  display: block;
  width: 12px;
  height: 12px;
  margin: 14px auto;
  border-top: 2px solid #fff;
  border-left: 2px solid #fff;
}
[data-hero-prev]::before { transform: rotate(-45deg); }
[data-hero-next]::before { transform: rotate(135deg); }
.hero-dots {
  display: flex;
  gap: 10px;
}
.hero-dots button {
  width: 34px;
  height: 3px;
  border: 0;
  border-radius: 0;
  background: rgba(255,255,255,.35);
}
.hero-dots button.is-active { background: #fff; }
.scroll-cue {
  position: absolute;
  left: 5%;
  bottom: 44px;
  z-index: 2;
  color: rgba(255,255,255,.8);
  font-size: 13px;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.scroll-cue i {
  display: block;
  width: 1px;
  height: 70px;
  margin: 14px auto 0;
  background: rgba(255,255,255,.35);
}

.section {
  padding: clamp(70px, 7vw, 130px) 4%;
}
.section-heading {
  margin: 0 auto 48px;
  text-align: center;
}
.section-heading h2 {
  margin: 0;
  font-size: clamp(30px, 3vw, 52px);
  font-weight: 500;
}
.section-heading p {
  margin: 8px 0 0;
  color: #dcdcdc;
  font-size: clamp(18px, 2vw, 36px);
  text-transform: uppercase;
}
.section-heading span {
  display: block;
  max-width: 760px;
  margin: 20px auto 0;
  color: rgba(255,255,255,.72);
  line-height: 1.8;
}
.dark {
  color: #fff;
  background: #101414;
}

.intro {
  max-width: 1840px;
  margin: 0 auto;
}
.intro-title {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: .35em;
  font-size: clamp(42px, 7vw, 136px);
  line-height: 1;
  font-weight: 300;
}
.intro-title strong {
  color: var(--accent);
  font-weight: 600;
}
.intro-title video {
  width: clamp(120px, 20vw, 320px);
  height: .72em;
  border-radius: 999px;
  object-fit: cover;
}
.intro-text {
  max-width: 900px;
  margin: 56px auto 0;
  text-align: center;
  color: #333;
  font-size: 20px;
  line-height: 1.9;
}
.text-link {
  display: inline-flex;
  align-items: center;
  margin-top: 20px;
  color: var(--accent);
  font-weight: 600;
}
.text-link::after {
  content: "›";
  margin-left: 10px;
  font-size: 28px;
  line-height: 1;
}
.text-link.light { color: #fff; }

.product {
  position: relative;
  display: grid;
  grid-template-columns: minmax(250px, 35%) 1fr;
  gap: 32px;
  align-items: center;
  overflow: hidden;
}
.product-copy {
  position: relative;
  z-index: 1;
  max-width: 560px;
}
.eyebrow {
  color: var(--accent);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.product h2 {
  margin: 10px 0 20px;
  font-size: clamp(38px, 5vw, 88px);
  line-height: 1.05;
}
.product-image {
  justify-self: center;
  width: min(880px, 100%);
  filter: drop-shadow(0 36px 55px rgba(0,0,0,.45));
}
.specs {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  margin-top: 36px;
  background: rgba(255,255,255,.16);
}
.specs div {
  padding: 28px 20px;
  text-align: center;
  background: rgba(255,255,255,.05);
}
.specs strong {
  display: block;
  font-size: clamp(28px, 3vw, 54px);
  font-weight: 500;
}
.specs span {
  display: block;
  margin-top: 8px;
  color: rgba(255,255,255,.68);
}

.tab-layout {
  display: grid;
  grid-template-columns: 35% 1fr;
  gap: 50px;
  max-width: 1600px;
  margin: 0 auto;
  align-items: center;
}
.tab-list {
  display: grid;
  gap: 18px;
}
.tab-list button {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: left;
  color: #111;
  background: #fff;
  cursor: pointer;
  transition: all .25s ease;
  font-size: 24px;
}
.tab-list button span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.tab-list button.is-active {
  color: #fff;
  border-color: #111;
  background: #111;
}
.tab-list button.is-active span { color: rgba(255,255,255,.7); }
.tab-media {
  position: relative;
  min-height: 520px;
  border-radius: 8px;
  overflow: hidden;
  background: #111;
}
.tab-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.tab-media video.is-active {
  opacity: 1;
  pointer-events: auto;
}

.solution-grid,
.made-grid,
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1600px;
  margin: 0 auto;
}
.solution-grid article,
.news-grid article,
.made-grid article {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: var(--panel);
}
.solution-grid img,
.news-grid img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform .45s ease;
}
.solution-grid article:hover img,
.news-grid article:hover img { transform: scale(1.05); }
.solution-grid h3 {
  position: absolute;
  left: 28px;
  bottom: 24px;
  margin: 0;
  color: #fff;
  font-size: 26px;
  text-shadow: 0 8px 22px rgba(0,0,0,.38);
}
.made {
  background: #0e1111;
}
.light-heading p { color: rgba(255,255,255,.18); }
.made-grid { grid-template-columns: repeat(2, 1fr); }
.made-grid article {
  padding-bottom: 26px;
  color: #fff;
  background: rgba(255,255,255,.06);
}
.made-grid video {
  width: 100%;
  height: 360px;
  object-fit: cover;
}
.made-grid h3,
.made-grid p {
  margin-left: 28px;
  margin-right: 28px;
}
.made-grid h3 {
  margin-top: 24px;
  font-size: 28px;
}
.made-grid p {
  color: rgba(255,255,255,.7);
  line-height: 1.8;
}

.story-list {
  display: grid;
  gap: 18px;
  max-width: 1500px;
  margin: 0 auto;
  counter-reset: story;
}
.story-list article {
  counter-increment: story;
  display: grid;
  grid-template-columns: 34% 1fr;
  gap: 8%;
  align-items: center;
  padding: 18px;
  border-radius: 8px;
  background: #fff;
  transition: all .3s ease;
}
.story-list article::before {
  content: counter(story, decimal-leading-zero);
  position: absolute;
}
.story-list img {
  width: 100%;
  height: 230px;
  border-radius: 8px;
  object-fit: cover;
}
.story-list span {
  color: var(--muted);
}
.story-list h3 {
  margin: 8px 0 0;
  font-size: clamp(24px, 2vw, 36px);
}
.story-list strong {
  display: block;
  max-height: 0;
  overflow: hidden;
  color: #111;
  font-size: clamp(42px, 5vw, 90px);
  font-weight: 500;
  transition: max-height .35s ease, margin .35s ease;
}
.story-list p {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  color: #333;
  line-height: 1.9;
  transition: max-height .35s ease;
}
.story-list article.is-active {
  padding: 48px 4%;
  background: #f1f3f2;
}
.story-list article.is-active img { height: 330px; }
.story-list article.is-active strong {
  max-height: 130px;
  margin: 18px 0 6px;
}
.story-list article.is-active p { max-height: 160px; }

.news-grid article {
  min-height: 420px;
}
.news-grid h3 {
  margin: 22px 24px 6px;
  font-size: 23px;
  line-height: 1.45;
}
.news-grid time {
  display: block;
  margin: 0 24px 26px;
  color: var(--muted);
}

.site-footer {
  color: #fff;
  background: #090d0d url("https://omo-oss-image1.thefastimg.com/portal-saas/pg2025071010160405076/cms/image/4808522c-96ce-461c-8172-24e69a84543a.jpg") center/cover fixed;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8%;
  padding: 7% 4%;
  background: rgba(0,0,0,.35);
}
.footer-top h2 {
  margin: 0 0 14%;
  font-size: clamp(34px, 4vw, 66px);
  font-weight: 300;
  line-height: 1.2;
}
.email {
  display: inline-block;
  margin-top: 12px;
  font-size: clamp(24px, 2.6vw, 42px);
  text-decoration: underline;
}
.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.footer-nav h3 {
  margin: 0 0 18px;
  font-size: 22px;
}
.footer-nav a {
  display: block;
  padding: 7px 0;
  color: rgba(255,255,255,.58);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 4%;
  color: rgba(255,255,255,.32);
  background: rgba(0,0,0,.15);
}

@media (max-width: 1024px) {
  .site-header,
  .site-header.is-scrolled {
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    padding: 0 24px;
    color: #111;
    background: rgba(255,255,255,.94);
  }
  .desktop-nav,
  .dealer { display: none; }
  .menu-button { display: block; }
  .mobile-nav.is-open { display: block; }
  .hero { min-height: 560px; }
  .hero-copy { left: 7%; right: 7%; }
  .hero-controls { right: 24px; bottom: 28px; }
  .scroll-cue { display: none; }
  .product,
  .tab-layout,
  .footer-top {
    grid-template-columns: 1fr;
  }
  .specs,
  .solution-grid,
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tab-media { min-height: 420px; }
  .made-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .section { padding: 56px 20px; }
  .hero { min-height: 540px; }
  .hero-copy h1 { font-size: 42px; }
  .hero-copy p { font-size: 13px; }
  .hero-controls button { width: 36px; height: 36px; }
  .hero-dots button { width: 22px; }
  .intro-title {
    justify-content: flex-start;
    font-size: 42px;
  }
  .intro-text {
    text-align: left;
    font-size: 16px;
  }
  .specs,
  .solution-grid,
  .news-grid,
  .footer-nav,
  .story-list article {
    grid-template-columns: 1fr;
  }
  .solution-grid img,
  .news-grid img,
  .made-grid video { height: 260px; }
  .tab-list button {
    padding: 20px;
    font-size: 20px;
  }
  .tab-media { min-height: 300px; }
  .story-list article,
  .story-list article.is-active {
    padding: 18px;
  }
  .story-list article.is-active img,
  .story-list img { height: 220px; }
  .footer-bottom {
    flex-direction: column;
  }
  .search-modal form {
    padding: 42px 24px;
  }
  .search-modal input,
  .search-modal form button {
    width: 100%;
  }
}
