:root {
  --orange: #1677ff;
  --orange-deep: #0d5edc;
  --black: #1c1c1c;
  --text: #333;
  --muted: #8a8a8a;
  --line: #ececec;
  --bg: #fff;
  --news-bg: #f5f5f5;
  --footer: #2c2c2c;
  --header-h: 86px;
  --wrap: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
.ico {
  display: block;
  flex-shrink: 0;
  background-color: currentColor;
  -webkit-mask: var(--ico) center / contain no-repeat;
  mask: var(--ico) center / contain no-repeat;
  object-fit: none;
  object-position: -9999px 0;
}
.ico-phone { --ico: url("../images/icons/phone.svg"); }
.ico-wechat { --ico: url("../images/icons/wechat.svg"); }
.ico-menu { --ico: url("../images/icons/menu.svg"); }
.ico-location { --ico: url("../images/icons/location.svg"); }
.ico-message { --ico: url("../images/icons/message.svg"); }
.ico-message-simple { --ico: url("../images/icons/message-simple.svg"); }
.ico-to-top { --ico: url("../images/icons/to-top.svg"); }
.ico-arrow-right { --ico: url("../images/icons/arrow-right.svg"); }
.ico-chevron-left { --ico: url("../images/icons/chevron-left.svg"); }
.ico-chevron-right { --ico: url("../images/icons/chevron-right.svg"); }
.ico-industry { --ico: url("../images/icons/industry-valve.svg"); }
.ico-strength-link { --ico: url("../images/icons/strength-link.svg"); }
.ico-strength-globe { --ico: url("../images/icons/strength-globe.svg"); }
.ico-strength-orbit { --ico: url("../images/icons/strength-orbit.svg"); }
button, input, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: 0; background: none; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: linear-gradient(180deg, rgba(0,0,0,.58) 0%, rgba(0,0,0,0) 100%);
  box-shadow: none;
  overflow: visible;
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.header.is-scrolled,
.header.is-open {
  background: rgba(255,255,255,.68);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.logo { display: flex; align-items: center; flex-shrink: 0; position: relative; min-width: 0; }
.logo__img { max-height: 50px; height: auto; width: auto; display: block; object-fit: contain; }
.logo__img--color { display: none; }
.header.is-scrolled .logo__img--white,
.header.is-open .logo__img--white { display: none; }
.header.is-scrolled .logo__img--color,
.header.is-open .logo__img--color { display: block; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav__item { position: relative; padding: 28px 10px; }
.nav__link {
  font-size: 15px;
  color: #fff;
  position: relative;
  padding: 8px 0;
  transition: color .25s;
}
.header.is-scrolled .nav__link,
.header.is-open .nav__link { color: var(--black); }
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 3px;
  background: var(--orange);
  transition: width .25s;
}
.nav__item:hover > .nav__link,
.nav__link:hover,
.nav__link.is-active { color: #fff; }
.header.is-scrolled .nav__item:hover > .nav__link,
.header.is-scrolled .nav__link:hover,
.header.is-scrolled .nav__link.is-active,
.header.is-open .nav__item:hover > .nav__link,
.header.is-open .nav__link:hover,
.header.is-open .nav__link.is-active { color: var(--orange); }
.nav__item:hover > .nav__link::after,
.nav__link.is-active::after,
.nav__link:hover::after { width: 100%; }
.nav__caret {
  display: none;
  width: 28px; height: 28px;
  margin-left: auto;
  position: relative;
}
.nav__caret::before {
  content: "";
  position: absolute;
  top: 10px; left: 8px;
  width: 8px; height: 8px;
  border-right: 2px solid #666;
  border-bottom: 2px solid #666;
  transform: rotate(45deg);
}
.nav__drop {
  position: absolute;
  left: 0; top: 100%;
  min-width: 180px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(0,0,0,.18);
  padding: 10px 0;
  border-radius: 12px;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: .2s;
  z-index: 120;
}
.nav__drop::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -16px;
  height: 16px;
}
.nav__item:hover > .nav__drop {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.nav__drop a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 16px;
  color: #555;
  white-space: nowrap;
}
.nav__drop-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
}
.nav__drop a:hover { background: #eef5ff; color: var(--orange); }
.nav__drop--cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(168px, 1fr));
  min-width: 400px;
  max-height: min(70vh, 540px);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  left: 50%;
  transform: translate(-50%, 8px);
}
.nav__item:hover > .nav__drop--cols {
  transform: translate(-50%, 0);
}
.nav__drop--cols a {
  padding: 10px 18px;
}
.nav__drop--cols a:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.header__actions { display: flex; align-items: center; gap: 12px; }
.phone-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.45);
  color: #fff !important;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 13px;
  white-space: nowrap;
  transition: background .25s, border-color .25s;
}
.header.is-scrolled .phone-btn,
.header.is-open .phone-btn {
  background: #2a2a2a;
  border-color: transparent;
}
.grid-btn {
  width: 40px; height: 40px;
  background: transparent;
  color: #fff;
  border-radius: 10px;
  display: grid;
  place-items: center;
  transition: background .2s, color .2s;
}
.grid-btn:hover,
.qr-pop:hover .grid-btn,
.header.is-open .grid-btn {
  background: var(--orange);
  color: #fff;
}
.header.is-scrolled .grid-btn { color: var(--black); }
.header.is-scrolled .grid-btn:hover,
.header.is-scrolled .qr-pop:hover .grid-btn,
.header.is-open .grid-btn { color: #fff; }
.qr-pop { position: relative; }
.qr-pop__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 148px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(0,0,0,.18);
  padding: 12px;
  border-radius: 12px;
  overflow: hidden;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: .2s;
  z-index: 130;
}
.qr-pop__panel::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -12px;
  height: 12px;
}
.qr-pop:hover .qr-pop__panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.qr-pop__panel img { width: 124px; height: 124px; margin: 0 auto 8px; border-radius: 8px; }
.qr-pop__panel span { display: block; font-size: 12px; color: #666; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-radius: 999px;
  padding: 11px 20px 11px 24px;
  font-size: 15px;
  transition: .25s;
}
.btn--dark { background: #2a2a2a; color: #fff; }
.btn--dark:hover {
  background: var(--orange);
  gap: 16px;
}
.btn--dark:hover .btn__arrow { transform: translateX(4px); }
.btn--orange { background: var(--orange); color: #fff; justify-content: center; width: 100%; }
.btn--orange:hover { background: var(--orange-deep); }
.btn__arrow {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: #fff;
  color: #2a2a2a;
  display: grid;
  place-items: center;
  transition: transform .3s ease;
}
.btn__arrow--orange { background: var(--orange); color: #fff; }

.hero {
  position: relative;
  min-height: 100vh;
  color: #fff;
  display: flex;
  align-items: center;
}
.hero__slides, .hero__slide, .hero__mask { position: absolute; inset: 0; }
.hero__slide {
  background: #111 center/cover no-repeat;
  opacity: 0;
  transition: opacity 1s;
}
.hero__slide.is-active { opacity: 1; }
.hero__mask {
  background: linear-gradient(90deg, rgba(22,119,255,.78) 0%, rgba(22,119,255,.35) 38%, rgba(0,0,0,.12) 70%);
}
.hero__content { position: relative; z-index: 2; padding: 80px 0 110px; }
.hero__eyebrow { font-size: 16px; letter-spacing: 2px; margin-bottom: 14px; }
.hero__title {
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.hero__desc { font-size: 18px; opacity: .95; margin-bottom: 30px; }
.hero__dots {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero__arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,.94);
  color: #333;
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, background .2s;
}
.hero__arrow--prev { left: 28px; }
.hero__arrow--next { right: 28px; }
.hero:hover .hero__arrow {
  opacity: 1;
  pointer-events: auto;
}
.hero__arrow:hover { background: var(--orange); color: #fff; }
.hero__dots button {
  width: 8px; height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.55);
}
.hero__dots button.is-active { width: 18px; background: #fff; }

.sec-head { margin-bottom: 28px; }
.sec-head--center { text-align: center; }
.sec-en {
  display: block;
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
}
.sec-cn { font-size: 34px; font-weight: 800; color: var(--black); line-height: 1.3; }

.products { padding: 90px 0 70px; overflow: hidden; }
.products__layout {
  display: grid;
  grid-template-columns: 280px 1fr 230px;
  gap: 36px;
  align-items: center;
}
.products__copy h3,
.products__name {
  font-size: 26px;
  line-height: 1.35;
  margin: 40px 0 16px;
  color: var(--black);
}
.products__copy p,
.products__desc { color: var(--muted); font-size: 14px; margin-bottom: 26px; }
.products__name,
.products__desc {
  transition: opacity .35s ease, transform .45s cubic-bezier(.22,.61,.36,1);
}
.products.is-out-next .products__name,
.products.is-out-next .products__desc { opacity: 0; transform: translateX(-22px); }
.products.is-out-prev .products__name,
.products.is-out-prev .products__desc { opacity: 0; transform: translateX(22px); }
.products.is-in .products__name,
.products.is-in .products__desc { opacity: 1; transform: none; }
.view-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--black);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.6px;
  border-bottom: 1px solid var(--black);
  padding-bottom: 4px;
  position: relative;
  overflow: hidden;
  transition: color .3s, border-color .3s, gap .3s, letter-spacing .3s;
}
.view-more::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width .35s ease;
}
.view-more span {
  width: 0; height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid var(--black);
  transition: transform .3s ease, border-left-color .3s;
}
.view-more:hover {
  color: var(--orange);
  border-color: transparent;
  gap: 14px;
  letter-spacing: 2.4px;
}
.view-more:hover::after { width: 100%; }
.view-more:hover span {
  border-left-color: var(--orange);
  transform: translateX(6px);
}
.products__stage { position: relative; min-height: 360px; display: grid; place-items: center; }
.products__watermark {
  position: absolute;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  font-size: clamp(72px, 12vw, 132px);
  font-weight: 800;
  color: #f0f0f0;
  letter-spacing: 2px;
  z-index: 0;
  pointer-events: none;
}
.products__figure {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
}
.products__stage img {
  position: relative;
  z-index: 1;
  max-height: 380px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 28px rgba(0,0,0,.12));
  transition: opacity .4s ease, transform .5s cubic-bezier(.22,.61,.36,1);
}
.products.is-out-next .products__stage img { opacity: 0; transform: translateX(-36px) scale(.96); }
.products.is-out-prev .products__stage img { opacity: 0; transform: translateX(36px) scale(.96); }
.products.is-in .products__stage img { opacity: 1; transform: none; }
.products__thumb {
  height: 168px;
  border-radius: 12px;
  overflow: hidden;
}
.products__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity .35s ease, transform .5s cubic-bezier(.22,.61,.36,1);
}
.products.is-out-next .products__thumb img { opacity: 0; transform: translateX(-16px) scale(1.04); }
.products.is-out-prev .products__thumb img { opacity: 0; transform: translateX(16px) scale(1.04); }
.products.is-in .products__thumb img { opacity: 1; transform: none; }
.products__scene {
  color: var(--orange);
  font-size: 13px;
  margin: 12px 0 18px;
}
.products__nav { display: flex; gap: 12px; justify-content: flex-end; }
.circle-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: #ececec;
  color: #555;
  display: grid;
  place-items: center;
}
.circle-btn--orange,
.circle-btn:hover { background: var(--orange); color: #fff; }

.industry { position: relative; height: 520px; color: #fff; overflow: hidden; }
.industry__bg {
  position: absolute;
  inset: 0;
  background: #111 center/cover no-repeat;
}
.industry__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.52);
}
.industry__inner {
  position: relative;
  z-index: 2;
  height: 100%;
}
.industry__head {
  position: absolute;
  left: 0;
  right: 0;
  top: 36px;
  z-index: 4;
  text-align: center;
  padding: 0;
  pointer-events: none;
}
.industry__head h2 { font-size: 34px; margin-top: 6px; }
.industry__cols {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  height: 100%;
  padding: 0;
}
.industry__col {
  color: #fff;
  border-right: 1px solid rgba(255,255,255,.16);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 16px;
  padding: 0;
  transition: background .25s;
}
.industry__col:last-child { border-right: 0; }
.industry__col.is-active,
.industry__col:hover { background: var(--orange); }
.industry__icon .ico,
.industry__pic { width: 44px; height: 44px; }
.industry__pic { object-fit: contain; display: block; }
.industry__col i {
  width: 18px; height: 2px;
  background: transparent;
  display: block;
}
.industry__col.is-active i { background: #fff; }

.about { padding: 90px 0 0; position: relative; overflow: hidden; }
.about__grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  grid-template-areas:
    "titles lead"
    "btn photo";
  column-gap: 50px;
  row-gap: 18px;
  align-items: start;
  padding-bottom: 20px;
}
.about__titles { grid-area: titles; }
.about__lead { grid-area: lead; color: var(--muted); font-size: 14px; }
.about__btn { grid-area: btn; align-self: end; justify-self: start; margin-bottom: 8px; }
.about__line {
  display: block;
  width: 48px; height: 4px;
  background: var(--orange);
  margin: 14px 0 16px;
}
.about__name { font-size: 16px; color: var(--black); }
.about__photo { grid-area: photo; position: relative; border-radius: 16px; overflow: hidden; }
.about__photo img { width: 100%; height: 340px; object-fit: cover; }
.about__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 55%, rgba(22,119,255,.55));
}
.about__skyline { height: 110px; }
.about__skyline img { width: 100%; height: 100%; display: block; object-fit: cover; }

.strength {
  position: relative;
  min-height: 560px;
  color: #fff;
  padding: 80px 0 0;
}
.strength__bg {
  position: absolute;
  inset: 0;
  background: #111 center/cover no-repeat;
}
.strength__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.5);
}
.strength__inner { position: relative; z-index: 2; }
.strength__watermark {
  position: absolute;
  right: 0; top: 10px;
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 3px;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,.22);
  text-align: right;
  pointer-events: none;
}
.strength__copy { max-width: 620px; padding-bottom: 70px; }
.strength__copy h2 { font-size: 36px; margin: 8px 0 22px; }
.strength__copy h3 { font-size: 22px; margin-bottom: 12px; }
.strength__copy p { font-size: 14px; opacity: .88; }
.strength__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.strength__card {
  background: #fff;
  color: var(--black);
  min-height: 108px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  font-size: 16px;
  font-weight: 700;
  text-align: left;
}
.strength__card.is-active,
.strength__card:hover { background: var(--orange); color: #fff; }

.clients { padding: 90px 0 70px; }
.clients__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.client-card {
  height: 110px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  padding: 16px 20px;
}
.client-card img {
  max-width: 78%;
  max-height: 58px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.client-card:hover,
.client-card.is-featured { border-color: var(--orange); border-width: 2px; }

.news { padding: 70px 0 80px; background: var(--news-bg); }
.news__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}
.news__head .sec-head { margin-bottom: 0; }
.news__tabs { display: flex; gap: 24px; }
.news__tab { color: var(--muted); font-size: 15px; padding-bottom: 8px; position: relative; }
.news__tab.is-active { color: var(--black); font-weight: 700; }
.news__tab.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: var(--black);
}
.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card { display: flex; flex-direction: column; }
.news-card__meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.news-card__tag {
  font-size: 12px;
  padding: 3px 8px;
  border: 1px solid var(--orange);
  color: var(--orange);
}
.news-card__tag.is-solid { background: var(--orange); color: #fff; }
.news-card__date { font-size: 12px; color: #999; }
.news-card h3 {
  font-size: 18px;
  line-height: 1.5;
  min-height: 54px;
  margin-bottom: 16px;
  color: var(--black);
}
.news-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 14px;
}
.news-card__more {
  color: var(--orange);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card:hover h3 { color: var(--orange); }

.footer { background: var(--footer); color: #d8d8d8; padding: 42px 0 18px; }
.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__brand strong { display: block; color: #fff; font-size: 18px; margin-bottom: 6px; }
.footer__brand span { font-size: 12px; opacity: .7; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.footer__nav a:hover,
.footer__nav a.is-active { color: var(--orange); }
.footer__mid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  align-items: center;
  padding: 28px 0;
}
.footer__qrs { display: flex; flex-wrap: wrap; gap: 18px; }
.footer__qr { text-align: center; }
.footer__qr img { width: 92px; height: 92px; margin: 0 auto 8px; background: #fff; padding: 4px; object-fit: contain; }
.footer__qr span { display: block; font-size: 12px; color: #fff; }
.footer__info { flex: 1; display: flex; gap: 56px; flex-wrap: wrap; align-items: flex-start; }
.footer__item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
}
.footer__circle {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 50%;
  background: transparent;
  color: #fff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.footer__item em { display: block; font-style: normal; color: #fff; font-size: 13px; margin-bottom: 6px; }
.footer__phone { font-size: 26px; color: #fff; font-weight: 700; }
.footer__item p { font-size: 14px; max-width: 420px; }
.footer__addr { max-width: 420px; white-space: nowrap; }
.footer__msg { color: #fff; text-align: center; transition: color .2s; }
.footer__msg-ico {
  width: 54px; height: 54px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto 8px;
  transition: background .2s, border-color .2s, color .2s;
}
.footer__msg:hover { color: var(--orange); }
.footer__msg:hover .footer__msg-ico {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}
.footer__copy {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  opacity: .55;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer__copy a { color: inherit; }
.footer__copy a:hover { color: var(--orange); }
.news__grid[hidden] { display: none; }
.float-bar {
  position: fixed;
  right: 0;
  top: 42%;
  z-index: 90;
  background: #2a2a2a;
  display: flex;
  flex-direction: column;
}
.float-bar button {
  width: 48px; height: 48px;
  color: #fff;
  display: grid;
  place-items: center;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.float-bar button:hover { background: var(--orange); }

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 20px;
}
.overlay[hidden] { display: none; }
.consult-box {
  width: min(460px, 100%);
  background: #fff;
  padding: 32px 28px;
  border-radius: 10px;
  position: relative;
}
.consult-box h3 { font-size: 22px; margin-bottom: 8px; }
.consult-box p { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.consult-box input,
.consult-box textarea {
  width: 100%;
  border: 1px solid var(--line);
  padding: 10px 12px;
  margin-bottom: 12px;
  border-radius: 4px;
  outline: none;
}
.consult-box input:focus,
.consult-box textarea:focus { border-color: var(--orange); }
.consult-close {
  position: absolute;
  right: 14px; top: 10px;
  font-size: 28px;
  color: #999;
}
.consult-box--result { text-align: center; padding-top: 36px; }
.consult-box--result h3 { margin-bottom: 22px; }
.consult-box--result .btn { width: 100%; }

@media (max-width: 1100px) {
  .nav { gap: 14px; }
  .products__layout { grid-template-columns: 230px 1fr 190px; gap: 20px; }
}

@media (max-width: 980px) {
  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 20px 20px;
    gap: 0;
    box-shadow: 0 12px 24px rgba(0,0,0,.08);
    display: none;
  }
  .header.is-open .nav { display: flex; }
  .nav__item {
    padding: 0;
    border-bottom: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }
  .nav__link { padding: 14px 0; flex: 1; }
  .nav__link::after { display: none; }
  .nav__caret { display: block; }
  .nav__drop {
    position: static;
    width: 100%;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: #fafafa;
    padding: 0 0 8px;
  }
  .nav__drop--cols {
    display: none;
    min-width: 0;
    max-height: none;
    overflow: visible;
    left: auto;
    transform: none;
    grid-template-columns: none;
  }
  .nav__item.is-open .nav__drop,
  .nav__item.is-open .nav__drop--cols { display: block; }
  .nav__drop--cols a:nth-child(odd) { border-right: 0; }
  .nav__item.is-open .nav__caret::before { transform: rotate(-135deg); top: 14px; }
  .phone-btn span { display: none; }
  .phone-btn { padding: 10px 12px; }
  .header__inner { gap: 8px; }
  .logo { flex: 1 1 auto; max-width: calc(100% - 152px); }
  .logo__img { max-width: 100%; max-height: 40px; }
  .header__actions { flex: 0 0 auto; }
  .footer__mid {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 22px;
    text-align: center;
  }
  .footer__qrs { justify-content: center; gap: 20px; }
  .footer__info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
    justify-items: center;
  }
  .footer__item { align-items: center; text-align: center; width: 100%; }
  .footer__circle { margin: 0 auto; }
  .footer__phone { font-size: 16px; word-break: break-all; }
  .footer__item p,
  .footer__addr { max-width: none; white-space: normal; }
  .footer__msg { margin: 0 auto; }
  .products__layout { grid-template-columns: 1fr; }
  .about__grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "titles"
      "lead"
      "photo"
      "btn";
  }
  .about__btn { margin-top: 4px; }
  .products__copy h3 { margin-top: 0; }
  .products__side { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 12px; }
  .products__scene { grid-column: 1; }
  .products__nav { grid-column: 2; grid-row: 1 / span 2; }
  .industry__cols { grid-template-columns: repeat(3, 1fr); }
  .news__grid { grid-template-columns: 1fr; }
  .footer__top, .footer__copy { display: grid; grid-template-columns: 1fr; }
  .strength__cards { grid-template-columns: 1fr; }
  .strength__watermark { display: none; }
}

@media (max-width: 640px) {
  .wrap { width: calc(100% - 28px); }
  .sec-cn, .industry__head h2, .strength__copy h2 { font-size: 26px; }
  .hero { min-height: 72vh; }
  .hero__content { padding: 60px 0 90px; }
  .hero__desc { font-size: 15px; }
  .clients__grid { grid-template-columns: repeat(2, 1fr); }
  .client-card { height: 88px; }
  .footer__addr { white-space: normal; max-width: none; }
  .qr-pop__panel { display: none; }
  .industry { height: auto; }
  .industry__inner { height: auto; }
  .industry__head { position: relative; top: 0; padding: 28px 0 12px; }
  .industry__cols { grid-template-columns: repeat(2, 1fr); height: auto; }
  .industry__col { min-height: 140px; height: auto; border-bottom: 1px solid rgba(255,255,255,.16); }
  .about__photo img { height: 220px; }
  .news__head { flex-direction: column; align-items: flex-start; }
  .products, .about, .clients { padding-top: 60px; }
  .news { padding: 50px 0; }
  .float-bar { top: auto; bottom: 90px; }
  .hero__arrow {
    opacity: 1;
    pointer-events: auto;
    width: 40px; height: 40px;
  }
  .hero__arrow--prev { left: 12px; }
  .hero__arrow--next { right: 12px; }
  .layout-2,
  .news-row,
  .intro__grid { grid-template-columns: 1fr; }
  .page-hero { min-height: 200px; }
}

.page-hero {
  position: relative;
  min-height: 280px;
  color: #fff;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  background: #222 center/cover no-repeat;
}
.page-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(22,119,255,.82) 0%, rgba(0,0,0,.38) 70%);
}
.page-hero .wrap { position: relative; z-index: 1; padding: 48px 0; }
.page-hero h1 { font-size: clamp(28px, 4vw, 40px); }
.crumb { margin-top: 10px; font-size: 13px; opacity: .88; }
.crumb a:hover { text-decoration: underline; }

.page { padding: 60px 0 80px; }
.page--gray { background: var(--news-bg); }

.layout-2 {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 36px;
  align-items: start;
}
.side-box { background: #fff; border: 1px solid var(--line); }
.side-box h3 {
  background: var(--orange);
  color: #fff;
  font-size: 16px;
  padding: 14px 18px;
}
.side-box a {
  display: block;
  position: relative;
  padding: 13px 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: #555;
  transition: color .2s, background .2s;
}
.side-box a.is-active,
.side-box a:hover { color: var(--orange); }
.side-box a.is-active {
  background: #f4f8ff;
  font-weight: 600;
}
.side-box a.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--orange);
}

.news-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 22px;
  background: #fff;
  padding: 18px;
  margin-bottom: 16px;
  border: 1px solid transparent;
  transition: .2s;
}
.news-row:hover { border-color: var(--orange); }
.news-row img { width: 100%; height: 150px; object-fit: cover; border-radius: 8px; }
.news-row h3 { font-size: 20px; margin: 8px 0 10px; color: var(--black); }
.news-row p { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 28px; }
.pager a, .pager span {
  min-width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
}
.pager a.is-active,
.pager a:hover { background: var(--orange); color: #fff; border-color: var(--orange); }

.article { background: #fff; padding: 36px 40px 48px; }
.article__meta { color: #999; font-size: 13px; margin: 12px 0 24px; }
.article h1 { font-size: 28px; line-height: 1.4; color: var(--black); }
.article h2 {
  font-size: 18px;
  margin: 28px 0 12px;
  padding-left: 10px;
  border-left: 3px solid var(--orange);
  color: var(--black);
  line-height: 1.3;
}
.article p { color: #555; margin-bottom: 16px; font-size: 15px; }
.article ul {
  margin: 0 0 16px 1.2em;
  color: #555;
  font-size: 15px;
}
.article li { margin-bottom: 8px; }
.article img { width: 100%; max-height: 420px; object-fit: cover; border-radius: 10px; margin: 8px 0 20px; }
.article .ico {
  max-width: none;
  max-height: none;
  object-fit: none;
  object-position: -9999px 0;
  margin: 0;
  border-radius: 0;
}
.article__cta { margin: 8px 0 8px; }
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 24px;
  font-size: 14px;
}
.spec-table th,
.spec-table td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
}
.spec-table th {
  width: 28%;
  background: #f7f9fc;
  color: #333;
  font-weight: 600;
}
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.article-nav a:hover { color: var(--orange); }

.intro__grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
}
.intro__copy h2 { font-size: 28px; margin-bottom: 16px; }
.intro__copy p { color: var(--muted); margin-bottom: 14px; font-size: 14px; }
.intro__photo { border-radius: 16px; overflow: hidden; position: relative; }
.intro__photo img { width: 100%; height: 360px; object-fit: cover; }
.intro__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 40px 0;
}
.intro__stat {
  background: #fff;
  border: 1px solid var(--line);
  padding: 22px 16px;
  text-align: center;
}
.intro__stat strong { display: block; color: var(--orange); font-size: 32px; }
.intro__stat span { color: var(--muted); font-size: 13px; }
.intro__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.intro__gallery img { width: 100%; height: 180px; object-fit: cover; border-radius: 10px; }

@media (max-width: 980px) {
  .layout-2,
  .news-row,
  .intro__grid { grid-template-columns: 1fr; }
  .article { padding: 24px 18px 36px; }
  .intro__stats,
  .intro__gallery { grid-template-columns: 1fr; }
  .spec-table th { width: 36%; }
  .article-nav { flex-direction: column; }
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  color: #fff;
  place-items: center;
  border-radius: 10px;
}
.header.is-scrolled .menu-toggle,
.header.is-open .menu-toggle { color: var(--black); }
.nav-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 90;
}
.nav-mask[hidden] { display: none; }

.subsort-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.subsort-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 18px;
  border-radius: 10px;
  transition: border-color .2s, box-shadow .2s;
}
.subsort-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 12px;
}
.subsort-card h2 { font-size: 18px; color: var(--black); }
.subsort-card p { color: var(--muted); font-size: 13px; margin-top: 6px; }
.subsort-card:hover { border-color: var(--orange); box-shadow: 0 8px 24px rgba(22,119,255,.12); }

.article-body { font-size: 15px; line-height: 1.85; color: #444; }
.article-body img { margin: 16px 0; border-radius: 8px; }
.article-body--lead { margin-bottom: 12px; color: var(--muted); }
.contact-side { padding: 16px 18px; font-size: 14px; line-height: 1.9; }
.contact-form { margin-top: 24px; }
.contact-form h2 { margin-top: 0; }
.contact-form__item {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 14px;
  color: #333;
}
.contact-form__label { line-height: 1.4; }
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--line);
  padding: 10px 12px;
  border-radius: 4px;
  outline: none;
  font: inherit;
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus { border-color: var(--orange); }
.consult-captcha { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.consult-captcha button { color: var(--orange); font-size: 13px; }
.consult-captcha img,
.article .consult-captcha img,
.article .contact-form .captcha-img {
  width: 148px;
  height: 46px;
  max-width: 148px;
  max-height: 46px;
  object-fit: contain;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}
.msg-tip, #msg-tip { color: var(--orange); font-size: 13px; margin-bottom: 10px; }
.empty-hint { text-align: center; color: var(--muted); padding: 24px 0; }
.clients__grid:has(.client-card:only-child) { grid-template-columns: 1fr; }
.clients__grid:has(.client-card:only-child) .client-card { height: auto; min-height: 160px; padding: 20px; }
.clients__grid:has(.client-card:only-child) .client-card img { max-width: 100%; max-height: 240px; }
.clients__grid--page { margin-top: 24px; }
.page-hero__name { font-size: clamp(28px, 4vw, 40px); font-weight: 800; }

.m-dock {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 160;
  background: #fff;
  border-top: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
  height: 56px;
}
.m-dock__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 11px;
  color: #333;
  background: none;
  border: 0;
}
.m-wechat-pop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 180;
  display: grid;
  place-items: center;
  padding: 24px;
}
.m-wechat-pop[hidden] { display: none; }
.m-wechat-pop img { width: 220px; height: 220px; background: #fff; padding: 10px; border-radius: 8px; }
.m-wechat-pop span { color: #fff; margin-top: 8px; }
.m-wechat-pop__close {
  position: absolute;
  top: 20px; right: 24px;
  color: #fff;
  font-size: 32px;
}

@media (max-width: 980px) {
  .menu-toggle { display: grid; }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    left: auto;
    width: min(320px, 86vw);
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 72px 20px 24px;
    gap: 0;
    box-shadow: -12px 0 32px rgba(0,0,0,.12);
    display: flex;
    overflow-y: auto;
    z-index: 140;
    transition: right .25s ease;
  }
  .header.is-open .nav { right: 0; display: flex; }
}

@media (max-width: 768px) {
  .hero { min-height: clamp(180px, 48vw, 280px); }
  .hero__content { padding: 36px 0 48px; }
  .page-hero { min-height: clamp(140px, 36vw, 200px); }
  .footer__nav { display: none; }
  .m-dock { display: grid; }
  .footer { padding-bottom: 72px; }
  .float-bar { bottom: 72px; }
}

.industry { height: auto; min-height: 420px; }
.industry__cols {
  grid-template-columns: repeat(6, 1fr);
  padding-top: 120px;
  height: auto;
}
.industry__col {
  min-height: 200px;
  text-decoration: none;
}
.industry__col.is-active,
.industry__col:hover { background: var(--orange); }

@media (max-width: 980px) {
  .industry__cols { grid-template-columns: repeat(3, 1fr); padding-top: 88px; }
  .industry__col { min-height: 150px; }
}
@media (max-width: 640px) {
  .industry__cols { grid-template-columns: repeat(2, 1fr); padding-top: 72px; }
  .industry__col { min-height: 130px; }
}