:root {
  --head: 5vw;
}

body {
  background: #000;
  color: #fff;
  font-family: var(--family);
}

.font-en {
  font-family: var(--family-en);
}

/* ========== header ========== */
.header-inner {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 50;
  width: 100%;
  height: var(--head);
  padding: 1.77vw 6.25vw;
  transition: all ease 0.6s;
}

.header-inner .left {
  gap: 2.5vw;
}

.header-inner .logo {
  width: 11.093vw;
  height: 1.25vw;
}

.header-inner .logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.header-inner .menu {
  gap: 1.875vw;
}

.header-inner .right {
  gap: 1.25vw;
}

.header-inner .lang {
  gap: 0.52vw;
  color: #fff;
}

.header-inner .lang img {
  width: 1.041vw;
  height: 1.041vw;
}

.show-mobile-only {
  display: none !important;
}

/* ========== 可复用按钮 btn-primary ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.5vw;
  padding: 0 1.875vw;
  border: 0.052vw solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(2.083vw);
  -webkit-backdrop-filter: blur(2.083vw);
  border-radius: 0.208vw;
  color: #fff;
  font-size: 0.833vw;
  line-height: 1.32;
  white-space: nowrap;
  transition: all ease 0.35s;
  cursor: pointer;
}

.btn-primary:hover,
.header-inner .menu .btn-primary:hover {
  background: #EB6106;
  border-color: #EB6106;
  color: #fff;
}

/* ========== home-hero ========== */
.home-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  color: #fff;
}
.home-hero .bg,
.home-hero .bg video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-hero-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0) 30%, rgba(0, 0, 0, 0.55) 100%);
  z-index: 1;
}

.home-hero .left {
  position: absolute;
  left: 6.25vw;
  bottom: 20vh;
  width: 33.25vw;
  z-index: 2;
}

.home-hero .left .text-1 {
  text-transform: uppercase;
  margin-bottom: 0.625vw;
  opacity: 0.95;
}

.home-hero .left .text-2 {
  line-height: 1.25;
}

.home-hero .right {
  position: absolute;
  right: 6.25vw;
  top: 15.156vw;
  width: 20.468vw;
  z-index: 2;
}

.home-hero .right .text-1 {
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.5;
  margin-bottom: 1.718vw;
}

/* ========== home-video ========== */
.home-video {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #000;
}

.home-video .bg,
.home-video .bg video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== home-about ========== */
.home-about {
  position: relative;
  height: 100vh;
  background: #000;
  overflow: hidden;
}

.home-about .home-about-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-about-inner {
  position: absolute;
  left: 50%;
  top: 14.114vw;
  width: 46.145vw;
  transform: translateX(-50%);
  gap: 1.875vw;
  text-align: center;
  z-index: 2;
}

.home-about .text-1 {
  line-height: 1.5;
  color: #fff;
}

.home-about .text-2 {
  line-height: 1.5;
  color: #fff;
}

/* ========== home-strength ========== */
.home-strength {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #000;
}

.home-strength .bg,
.home-strength .bg video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-strength-inner {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 66.666vw;
  z-index: 2;
}

.home-strength .text-1 {
  color: #fff;
}

.home-strength .text-1 .text-line {
  font-size: 5.208vw;
  line-height: 5.937vw;
  white-space: nowrap;
}

.home-strength .text-1 em {
  font-style: normal;
  color: #632902;
}

.home-strength .text-2 {
  width: 23.958vw;
  margin-top: 2.604vw;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
}

/* ========== footer ========== */
.footer-wrap {
  position: relative;
  width: 100%;
  height: 56.25vw;
  overflow: hidden;
  background: #000;
}

.footer-wrap .foot-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.footer-wrap .foot-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 28%, #000 74%);
  z-index: 1;
}

.footer-wrap .foot-inner {
  position: absolute;
  left: 5.208vw;
  right: 5.208vw;
  bottom: 5.468vw;
  z-index: 2;
}

.footer-wrap .foot-top {
  height: 5vw;
}

.footer-wrap .foot-logo {
  width: 22.239vw;
  height: 2.5vw;
}

.footer-wrap .foot-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-wrap .foot-line {
  width: 100%;
  height: 0.052vw;
  background: rgba(255, 255, 255, 0.15);
}

.footer-wrap .foot-mid {
  padding: 4.479vw 0;
}

.footer-wrap .foot-info {
  width: 17.031vw;
}

.footer-wrap .info-item {
  gap: 0.625vw;
  margin-bottom: 1.25vw;
  color: #fff;
  line-height: 1.145vw;
}

.footer-wrap .info-item .icon {
  width: 1.25vw;
  height: 1.25vw;
  flex: none;
}

.footer-wrap .info-item .icon img {
  width: 100%;
  height: 100%;
}

.footer-wrap .info-shares {
  gap: 0.416vw;
  margin-top: 0.833vw;
}

.footer-wrap .share-item {
  position: relative;
  width: 2.083vw;
  height: 2.083vw;
  background: #202020;
  border-radius: 50%;
  cursor: pointer;
  transition: all ease 0.3s;
}

.footer-wrap .share-item .share-qr {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.625vw);
  transform: translateX(-50%) translateY(0.416vw);
  width: 6.25vw;
  height: 6.25vw;
  padding: 0.312vw;
  background: #fff;
  border-radius: 0.416vw;
  box-shadow: 0 0.208vw 0.833vw rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all ease 0.3s;
  z-index: 10;
}

.footer-wrap .share-item .share-qr::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  border: 0.312vw solid transparent;
  border-top-color: #fff;
}

.footer-wrap .share-item .share-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-wrap .share-item:hover .share-qr {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.footer-wrap .share-item img {
  width: 1.041vw;
  height: 1.041vw;
}

.footer-wrap .share-item:hover {
  background: #EB6106;
}

.footer-wrap .foot-nav {
  gap: 0.833vw;
}

.footer-wrap .nav-item {
  width: 8.333vw;
  color: #fff;
  font-weight: 500;
  line-height: 1.5;
  transition: all ease 0.3s;
}

.footer-wrap .nav-item:hover {
  color: #EB6106;
}

.footer-wrap .foot-bot {
  padding-top: 2.083vw;
  color: #fff;
}

.footer-wrap .foot-links {
  gap: 2.187vw;
}

.footer-wrap .foot-links a {
  color: #fff;
  transition: all ease 0.3s;
}

.footer-wrap .foot-links a:hover {
  color: #EB6106;
}

.footer-wrap .foot-bot a:hover {
  color: #EB6106;
}

/* ========== fullpage ========== */
html.fullpage-active,
html.fullpage-active body {
  overflow: hidden;
  height: 100%;
}

.fullpage {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.fullpage-swiper {
  width: 100%;
  height: 100vh;
}

.fullpage-swiper .swiper-wrapper {
  transition-timing-function: cubic-bezier(0.33, 1, 0.68, 1) !important;
}

.fullpage-swiper .swiper-slide {
  height: 100vh;
  width: 100%;
  overflow: hidden;
}

.fullpage-swiper footer.swiper-slide .footer-wrap {
  height: 100vh;
}

.fullpage-active .swiper-slide .fullpage-content {
  opacity: 0;
  transform: translateY(2vw);
  transition: opacity 0.9s ease 0.35s, transform 0.9s cubic-bezier(0.33, 1, 0.68, 1) 0.35s;
}

.fullpage-active .swiper-slide-active .fullpage-content {
  opacity: 1;
  transform: translateY(0);
}

/* home-about / home-strength：保留原有定位 transform，仅对文字做入场动画 */
.fullpage-active .home-about .home-about-inner .text-1,
.fullpage-active .home-about .home-about-inner .text-2,
.fullpage-active .home-strength .home-strength-inner .text-1,
.fullpage-active .home-strength .home-strength-inner .text-2 {
  opacity: 0;
  transform: translateY(2vw);
  transition: opacity 0.9s ease 0.35s, transform 0.9s cubic-bezier(0.33, 1, 0.68, 1) 0.35s;
}

.fullpage-active .home-about.swiper-slide-active .home-about-inner .text-1,
.fullpage-active .home-about.swiper-slide-active .home-about-inner .text-2,
.fullpage-active .home-strength.swiper-slide-active .home-strength-inner .text-1,
.fullpage-active .home-strength.swiper-slide-active .home-strength-inner .text-2 {
  opacity: 1;
  transform: translateY(0);
}

.fullpage-scroll-hint {
  position: fixed;
  left: 50%;
  bottom: 2.083vw;
  transform: translateX(-50%);
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625vw;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--family-en);
  font-size: 0.625vw;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.fullpage-scroll-hint.is-hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(1vw);
}

.fullpage-scroll-hint i {
  display: block;
  width: 0.104vw;
  height: 2.083vw;
  background: rgba(255, 255, 255, 0.5);
  position: relative;
  overflow: hidden;
}

.fullpage-scroll-hint i::after {
  content: '';
  position: absolute;
  left: 0;
  top: -100%;
  width: 100%;
  height: 100%;
  background: #fff;
  animation: fpScrollHint 1.6s ease-in-out infinite;
}

.divider {
  margin: 0 4px;
}

@keyframes fpScrollHint {
  0% {
    top: -100%;
  }

  100% {
    top: 100%;
  }
}

@media screen and (min-aspect-ratio: 17/9) {
  .home-hero .left {
    top: auto;
    bottom: 4vw;
  }
}