:root {
  --bg-dark: #050505;
  --bg-surface: #232323;
  --bg-soft: #f7f7f7;
  --bg-gray: #f3f3f3;
  --white: #ffffff;
  --text-primary: #171717;
  --text-desc: #5d5d5d;
  --text-muted: #bdbdbd;
  --accent: #ff6900;
  --yellow: #ffd95a;
  --orange: #ff6900;
  --line: rgba(0, 0, 0, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text-primary);
  background: var(--white);
  font-family:
    Inter, "MiSans VF", "PingFang SC", "Noto Sans CJK SC",
    "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

body::selection {
  color: var(--white);
  background: var(--accent);
}

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

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

button {
  font: inherit;
}

.site-header {
  position: absolute;
  z-index: 50;
  inset: 0 0 auto;
  height: 72px;
  background: var(--bg-dark);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  width: 100%;
  padding: clamp(16px, 1.3vw, 20px) clamp(20px, 3.25vw, 50px);
}

.brand {
  line-height: 1;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
}

.brand-logo img {
  width: auto;
  height: clamp(42px, 4vw, 56px);
}

.language {
  position: relative;
}

.language-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: clamp(100px, 9.11vw, 140px);
  height: 23px;
  padding: 6px 12px;
  gap: clamp(10px, 2.41vw, 37px);
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 0;
  border-radius: 30px;
  cursor: pointer;
}

.language-toggle span {
  font-size: 12px;
  line-height: 0.95;
  white-space: nowrap;
}

.language-toggle svg {
  color: var(--white);
  transform: rotate(180deg);
  transition: transform 0.2s ease;
}

.language.is-open .language-toggle svg {
  transform: rotate(0deg);
}

.language-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: clamp(100px, 9.11vw, 140px);
  padding: 8px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-4px);
  border-radius: 12px;
  background: var(--bg-surface);
  transition: 0.18s ease;
}

.language.is-open .language-menu {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.language-menu a {
  display: block;
  padding: 9px 10px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}

.language-menu a:hover,
.language-menu .is-active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.hero {
  position: relative;
  height: clamp(400px, 52vw, 800px);
  overflow: hidden;
  background: #000;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-slide:nth-child(1) img {
  object-position: center 45%;
}

.hero-slide:nth-child(2) img {
  object-position: center 50%;
}

.hero-slide:nth-child(3) img {
  object-position: center center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.72) 30%, rgba(0, 0, 0, 0.18) 62%, rgba(0, 0, 0, 0) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0) 48%, rgba(0, 0, 0, 0.14) 100%);
  pointer-events: none;
}

.hero-copy {
  position: absolute;
  z-index: 2;
  left: clamp(20px, 3.25vw, 50px);
  bottom: clamp(64px, 6vw, 96px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.hero-copy span {
  display: inline-flex;
  align-items: center;
  padding: 10px;
  border-radius: 6px;
  color: var(--white);
  background: rgba(0, 0, 0, 0.86);
  font-size: clamp(14px, 1.56vw, 24px);
  font-weight: 500;
  line-height: 1.4;
}

.hero-copy h1 {
  margin: 0;
  color: var(--white);
  font-size: clamp(27px, 5.66vw, 87px);
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 16px 34px rgba(0, 0, 0, 0.18);
}

.hero-indicators {
  position: absolute;
  z-index: 3;
  left: clamp(20px, 3.25vw, 50px);
  bottom: clamp(16px, 2vw, 30px);
  display: flex;
  gap: 10px;
}

.hero-indicators button {
  width: 20px;
  height: 3px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: var(--white);
  opacity: 0.4;
  cursor: pointer;
}

.hero-indicators .is-active {
  opacity: 1;
}

.section-white {
  background: var(--white);
}

.intro {
  padding-top: clamp(60px, 7.3vw, 112px);
  padding-bottom: clamp(32px, 3.9vw, 60px);
}

.section-heading {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
  text-align: center;
}

.section-heading.narrow {
  width: min(672px, calc(100% - 40px));
}

.section-heading h2,
.partners h2,
.brand-story h2 {
  margin: 0;
  font-size: clamp(37px, 3.2vw, 45px);
  font-weight: 950;
  line-height: 1.09;
  -webkit-text-stroke: 1px currentColor;
}

.section-heading h2 span {
  color: var(--accent);
}

.section-heading i {
  display: block;
  width: 52px;
  height: 4px;
  margin: clamp(20px, 2.08vw, 32px) auto clamp(24px, 2.6vw, 40px);
  background: var(--accent);
}

.section-heading p {
  margin: 0;
  color: var(--text-desc);
  font-size: clamp(16px, 1.4vw, 22px);
  line-height: 1.6;
  letter-spacing: 0.08em;
  overflow-wrap: anywhere;
}

.marquee {
  overflow: hidden;
  max-width: 2200px;
  margin: 0 auto;
}

.marquee-track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: marquee 38s linear infinite;
}

.photo-marquee {
  margin-top: clamp(60px, 6.25vw, 96px);
}

.photo-marquee img {
  width: clamp(160px, 19.5vw, 300px);
  aspect-ratio: 260 / 349;
  object-fit: cover;
  border-radius: 12px;
  margin-right: clamp(12px, 1.04vw, 16px);
}

.image-breaker img,
.image-breaker video {
  width: 100%;
  height: clamp(300px, 32vw, 500px);
  object-fit: cover;
}

.product-breaker img {
  object-fit: cover;
  padding: 0;
}

.product {
  padding: clamp(64px, 8.3vw, 128px) clamp(20px, 3.25vw, 50px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  width: min(1180px, 100%);
  margin: clamp(48px, 4.17vw, 64px) auto 0;
}

.feature-grid article {
  position: relative;
  min-height: clamp(320px, 28vw, 420px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 14px;
  overflow: hidden;
  padding: clamp(24px, 2.35vw, 36px);
  border-radius: 8px;
  background:
    radial-gradient(circle at 82% 12%, rgba(255, 105, 0, 0.22), transparent 30%),
    linear-gradient(145deg, #fff7df 0%, #f6f6f6 68%);
  transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
}

.feature-grid article::before {
  content: "";
  position: absolute;
  top: 26px;
  right: 24px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 105, 0, 0.14);
}

.feature-grid article::after {
  content: "";
  position: absolute;
  top: 70px;
  right: 64px;
  width: 56px;
  height: 56px;
  border-radius: 20px;
  background: var(--orange);
  opacity: 0.92;
  transform: rotate(12deg);
}

.feature-grid article.is-primary {
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.36)),
    linear-gradient(145deg, #ff6900 0%, #181818 100%);
}

.feature-grid article.is-primary::before {
  background: rgba(255, 255, 255, 0.18);
}

.feature-grid article.is-primary::after {
  background: var(--yellow);
}

.feature-grid article:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.08);
}

.feature-grid article > div {
  position: relative;
  z-index: 1;
}

.feature-symbol {
  color: var(--orange);
  font-size: clamp(44px, 4.6vw, 70px);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 0.9;
}

.feature-grid article.is-primary .feature-symbol {
  color: var(--yellow);
}

.feature-grid article span {
  position: relative;
  z-index: 1;
  width: fit-content;
  padding: 5px 10px;
  border-radius: 999px;
  color: rgba(23, 23, 23, 0.72);
  background: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.feature-grid article.is-primary span {
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.16);
}

.feature-grid article img {
  width: 32px;
  height: 32px;
}

.feature-grid h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: clamp(24px, 2vw, 34px);
  font-weight: 950;
  line-height: 1.16;
  overflow-wrap: anywhere;
}

.feature-grid p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--text-desc);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.03em;
  overflow-wrap: anywhere;
}

.feature-grid article.is-primary p {
  color: rgba(255, 255, 255, 0.78);
}

.partners {
  padding: clamp(48px, 6vw, 92px) 0 clamp(40px, 5.2vw, 80px);
}

.partners h2 {
  text-align: center;
}

.partner-marquee {
  max-width: 1280px;
  margin-top: clamp(20px, 2.08vw, 32px);
  padding: clamp(32px, 4vw, 56px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.partner-marquee .marquee-track {
  animation-duration: 28s;
}

.partner-marquee img {
  width: clamp(150px, 14.3vw, 220px);
  height: 88px;
  object-fit: contain;
  margin-right: clamp(28px, 3.9vw, 60px);
  filter: grayscale(1);
  opacity: 0.68;
  transition: 0.25s ease;
}

.partner-marquee img:hover {
  filter: grayscale(0);
  opacity: 1;
}

.news {
  padding: clamp(64px, 8.3vw, 128px) clamp(20px, 3.25vw, 50px);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  width: min(1180px, 100%);
  margin: clamp(36px, 4vw, 60px) auto 0;
}

.news-grid a,
.news-grid article {
  position: relative;
  height: clamp(280px, 24vw, 380px);
  overflow: hidden;
  border-radius: 16px;
  background: #111;
}

.news-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.news-grid video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.news-grid a::after,
.news-grid article::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.18), transparent);
}

.news-grid a:hover img,
.news-grid article:hover img,
.news-grid article:hover video {
  transform: scale(1.04);
}

.news-grid span {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  border-radius: 4px;
  background: var(--white);
  color: #000;
  font-size: 14px;
  font-weight: 800;
}

.news-grid h3 {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 24px;
  margin: 0;
  color: var(--white);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.55;
}

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

.news-grid-feature article {
  height: clamp(360px, 36vw, 520px);
  background: #f8f8f8;
}

.news-grid-feature img {
  object-fit: cover;
  padding: 0;
  background: #111;
}

.news-grid-feature article::after {
  background:
    linear-gradient(to top, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.16) 42%, transparent 72%);
}

.news-grid-feature h3 {
  right: 24px;
  bottom: clamp(70px, 7vw, 96px);
  font-size: clamp(22px, 2vw, 32px);
  font-weight: 850;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.news-grid-feature p {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 28px;
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(14px, 1.2vw, 18px);
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.tech {
  padding: clamp(48px, 8.33vw, 128px) clamp(20px, 3.25vw, 50px);
  background: var(--bg-gray);
}

.tech .section-heading p {
  color: rgba(23, 23, 23, 0.5);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0;
}

.tech-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  width: min(1180px, 100%);
  margin: clamp(32px, 4.17vw, 64px) auto 0;
}

.tech-list article {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid rgba(255, 105, 0, 0.14);
  border-radius: 8px;
  padding: clamp(18px, 1.75vw, 26px);
  background:
    radial-gradient(circle at 82% 16%, rgba(255, 105, 0, 0.14), transparent 28%),
    rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.04);
}

.tech-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: var(--orange);
  box-shadow: 0 14px 28px rgba(255, 105, 0, 0.2);
  font-size: 15px;
  font-weight: 950;
  letter-spacing: 0;
}

.tech-list h3 {
  margin: 0 0 clamp(8px, 0.65vw, 10px);
  font-size: clamp(18px, 1.45vw, 22px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.tech-list p {
  margin: 0;
  color: var(--text-desc);
  font-size: 14px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

.gallery-marquee::before,
.gallery-marquee::after {
  content: "";
  position: absolute;
  z-index: 4;
  top: 0;
  bottom: 0;
  width: 96px;
  pointer-events: none;
}

.gallery-marquee::before {
  left: 0;
  background: linear-gradient(to right, #fff, transparent);
}

.gallery-marquee::after {
  right: 0;
  background: linear-gradient(to left, #fff, transparent);
}

.brand-story {
  padding: clamp(48px, 6.25vw, 96px) clamp(20px, 3.25vw, 50px) clamp(16px, 2.08vw, 32px);
}

.brand-story h2,
#brand-story > p {
  width: min(1180px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.brand-story h2 {
  text-align: center;
  padding-bottom: clamp(16px, 2.08vw, 32px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.4);
  overflow-wrap: anywhere;
}

#brand-story > p {
  max-width: 960px;
  margin-top: clamp(24px, 2.6vw, 40px);
  margin-bottom: 0;
  color: var(--text-desc);
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.75;
  text-align: center;
  overflow-wrap: anywhere;
}

.gallery {
  padding: clamp(48px, 5.21vw, 80px) 0 clamp(12px, 1.56vw, 24px);
}

.gallery-marquee {
  position: relative;
}

.gallery-marquee img {
  width: clamp(238px, 23vw, 360px);
  height: clamp(260px, 25vw, 386px);
  object-fit: cover;
  border-radius: 16px;
  margin: 0 8px;
  background: #fff;
}

.news-grid-feature video {
  object-fit: cover;
}

.site-footer {
  color: var(--white);
  background: #000;
  padding: clamp(48px, 6.25vw, 96px) clamp(24px, 6.25vw, 96px);
}

.footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(40px, 8vw, 120px);
}

.footer-brand img {
  width: clamp(150px, 16vw, 240px);
  height: auto;
}

.footer-links {
  display: flex;
  gap: clamp(24px, 7.81vw, 120px);
}

.footer-links h3 {
  margin: 0 0 12px;
  font-size: clamp(14px, 1.04vw, 16px);
  font-weight: 600;
}

.footer-links a {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.55);
  font-size: clamp(12px, 0.91vw, 14px);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: clamp(32px, 4.17vw, 64px);
  padding-top: clamp(24px, 2.6vw, 40px);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.copyright {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: rgba(255, 255, 255, 0.55);
  font-size: clamp(12px, 0.91vw, 14px);
}

.social {
  display: flex;
  gap: 14px;
}

.social img {
  width: 20px;
  height: 20px;
}

.mobile-break {
  display: none;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.19, 1, 0.22, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.floaty {
  animation: floaty 4.8s ease-in-out infinite;
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 1180px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 920px) {
  .section-heading {
    text-align: left;
  }

  .section-heading i {
    margin-left: 0;
  }

  .mobile-break {
    display: block;
  }

  .feature-grid,
  .tech-list,
  .news-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid article {
    padding-left: 24px;
    padding-right: 24px;
  }

  .footer-main,
  .footer-bottom,
  .footer-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .hero-copy {
    bottom: 58px;
  }

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

  .section-heading p {
    font-size: 16px;
  }

  .photo-marquee img {
    width: 160px;
  }

  .partner-marquee img {
    width: 88px;
    height: 88px;
    margin-right: 28px;
  }

  .news-grid-feature h3,
  .news-grid-feature p {
    right: 20px;
  }

  .gallery-marquee img {
    width: 220px;
    height: 275px;
  }
}
