:root {
  --orange: #ef5b18;
  --orange-dark: #ca3f08;
  --ink: #111315;
  --ink-2: #1b1e21;
  --paper: #ffffff;
  --paper-soft: #f4f5f7;
  --muted: #6f747c;
  --line: #e5e7ea;
  --max: 1360px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open, body.search-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
.container { width: min(calc(100% - 56px), var(--max)); margin: 0 auto; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.topline {
  height: 32px;
  display: flex;
  align-items: center;
  color: #bfc3c6;
  background: #0a0b0c;
  font-size: 11px;
  letter-spacing: .03em;
}
.topline .container { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.topline strong { color: #fff; }

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid rgba(17,19,21,.08);
  backdrop-filter: blur(16px);
}
.header-inner {
  min-height: 86px;
  display: grid;
  grid-template-columns: 285px 1fr auto;
  gap: 34px;
  align-items: center;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
}
.logo-mark {
  width: 58px;
  height: 58px;
  display: block;
  flex: 0 0 58px;
  color: transparent;
  background: transparent url("/skin/bzj2026/images/logo-ylt.png") center / contain no-repeat;
  font-size: 0;
}
.logo-name { display: none; }
.logo-sub {
  display: block;
  max-width: 150px;
  color: #4f555b;
  font-size: 10px;
  line-height: 1.35;
  letter-spacing: .035em;
}
.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(20px, 2.1vw, 36px);
  font-size: 14px;
  font-weight: 600;
}
.main-nav a {
  position: relative;
  padding: 32px 0;
  color: #35383d;
}
.main-nav a::after {
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: 19px;
  height: 3px;
  background: var(--orange);
  content: "";
  transition: left .22s ease, right .22s ease;
}
.main-nav a:hover::after, .main-nav a.active::after { left: 15%; right: 15%; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-btn, .mobile-btn {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
}
.search-btn svg, .mobile-btn svg { width: 19px; height: 19px; }
.phone-cta {
  min-height: 50px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 17px;
  color: #fff;
  background: var(--orange);
}
.phone-cta svg { width: 23px; height: 23px; }
.phone-cta small { display: block; color: rgba(255,255,255,.75); font-size: 9px; }
.phone-cta strong { display: block; margin-top: 2px; font: 700 15px/1 Arial, sans-serif; }
.mobile-btn { display: none; }

.mobile-menu {
  display: none;
  position: fixed;
  z-index: 80;
  inset: 0;
  padding: 100px 24px 40px;
  color: #fff;
  background: rgba(10,11,12,.97);
}
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.13); font-size: 22px; }
.mobile-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  background: transparent;
  font-size: 28px;
}

.search-panel {
  display: none;
  position: fixed;
  z-index: 81;
  inset: 0;
  padding: 16vh 24px;
  background: rgba(10,11,12,.96);
}
.search-panel.open { display: block; }
.search-panel form { max-width: 860px; margin: 0 auto; display: flex; border-bottom: 2px solid #fff; }
.search-panel input {
  flex: 1;
  height: 74px;
  padding: 0 18px;
  border: 0;
  color: #fff;
  background: transparent;
  font-size: 26px;
  outline: none;
}
.search-panel button { width: 90px; border: 0; color: #fff; background: var(--orange); }
.search-note { max-width: 860px; margin: 20px auto; color: #8d9295; font-size: 13px; }

.hero {
  position: relative;
  min-height: 690px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 73% 48%, rgba(239,91,24,.22) 0, rgba(239,91,24,.04) 22%, transparent 44%),
    linear-gradient(110deg, #070809 0%, #121416 46%, #0b0d0e 100%);
}
.hero::before {
  position: absolute;
  inset: 0;
  opacity: .22;
  background:
    linear-gradient(118deg, transparent 0 61%, rgba(255,255,255,.045) 61.2% 61.4%, transparent 61.6%),
    linear-gradient(165deg, transparent 0 35%, rgba(255,255,255,.03) 35.2% 35.5%, transparent 35.7%),
    radial-gradient(circle at 20% 80%, #202428 0, transparent 32%);
  content: "";
}
.hero::after {
  position: absolute;
  left: 55%;
  bottom: -280px;
  width: 900px;
  height: 640px;
  border: 1px solid rgba(239,91,24,.18);
  border-radius: 50%;
  transform: rotate(-12deg);
  content: "";
}
.hero-grid {
  position: relative;
  z-index: 2;
  min-height: 650px;
  display: grid;
  grid-template-columns: .96fr 1.04fr;
  align-items: center;
  gap: 24px;
}
.hero-copy { padding: 72px 0 94px; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: #b7bdc0;
  font-size: 12px;
  letter-spacing: .08em;
}
.hero-kicker::before { width: 32px; height: 2px; background: var(--orange); content: ""; }
.hero h1 {
  margin: 0;
  max-width: 710px;
  font-size: clamp(54px, 5.6vw, 82px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.065em;
}
.hero h1 span { color: var(--orange); }
.hero-sub {
  margin: 24px 0 0;
  color: #adb3b6;
  font-size: 17px;
  line-height: 1.8;
}
.hero-sub b { color: #fff; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  padding: 0 22px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  transition: .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-orange { color: #fff; background: var(--orange); }
.button-orange:hover { background: var(--orange-dark); }
.button-outline { color: #fff; border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.03); }
.button-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.play-dot {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 50%;
  font-size: 9px;
}
.hero-visual { position: relative; align-self: stretch; min-height: 620px; }
.hero-halo {
  position: absolute;
  right: 4%;
  top: 12%;
  width: 80%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(238,89,23,.2), rgba(238,89,23,.02) 64%, transparent 68%);
}
.hero-machine {
  position: absolute;
  z-index: 2;
  right: -7%;
  bottom: 39px;
  width: 112%;
  max-width: 850px;
  filter: drop-shadow(0 34px 34px rgba(0,0,0,.48)) saturate(.95) contrast(1.03);
}
.hero-line {
  position: absolute;
  z-index: 1;
  right: 6%;
  top: 16%;
  width: 74%;
  height: 62%;
  border: 1px solid rgba(239,91,24,.24);
  clip-path: polygon(4% 7%, 100% 0, 96% 100%, 0 87%);
}
.hero-caption {
  position: absolute;
  z-index: 3;
  right: 0;
  top: 39%;
  width: 192px;
  color: #d2d5d7;
  font-size: 12px;
  line-height: 1.75;
}
.hero-caption b { display: block; margin-bottom: 7px; color: #fff; font-size: 15px; }
.hero-controls {
  position: absolute;
  z-index: 5;
  right: 0;
  bottom: 55px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-count { margin-right: 8px; color: #858b8e; font: 600 11px/1 Arial, sans-serif; letter-spacing: .08em; }
.round-control {
  width: 39px;
  height: 39px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  background: rgba(255,255,255,.02);
}
.round-control:hover { border-color: var(--orange); background: var(--orange); }
.hero-stats {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(10,11,12,.83);
  border-top: 1px solid rgba(255,255,255,.13);
}
.hero-stat {
  min-height: 112px;
  padding: 26px 28px 21px;
  border-right: 1px solid rgba(255,255,255,.13);
}
.hero-stat:first-child { border-left: 1px solid rgba(255,255,255,.13); }
.hero-stat-value { font: 700 30px/1 Arial, sans-serif; letter-spacing: -.03em; }
.hero-stat-value span { color: var(--orange); }
.hero-stat-label { margin-top: 11px; color: #8f9699; font-size: 11px; }

.rail {
  position: fixed;
  z-index: 40;
  right: 12px;
  top: 37%;
  width: 66px;
  display: grid;
  border: 1px solid #dde0e2;
  background: #fff;
  box-shadow: 0 8px 28px rgba(20,23,26,.08);
}
.rail a {
  min-height: 64px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 5px;
  border-bottom: 1px solid #e7e9eb;
  color: #5d6268;
  font-size: 10px;
}
.rail a:last-child { border-bottom: 0; }
.rail svg { width: 20px; height: 20px; stroke: currentColor; }
.rail a:hover { color: #fff; background: var(--orange); }

.section { padding: 78px 0; }
.section.soft { background: var(--paper-soft); }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 30px;
}
.section-heading { display: flex; align-items: flex-start; gap: 18px; }
.heading-bar { width: 4px; height: 44px; margin-top: 5px; background: var(--orange); }
.section-head h2 { margin: 0; font-size: 30px; line-height: 1.2; letter-spacing: -.035em; }
.section-head p { margin: 8px 0 0; color: var(--muted); font-size: 12px; }
.more-link {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 700;
}
.more-link::after { content: "→"; transition: transform .2s ease; }
.more-link:hover::after { transform: translateX(4px); }

.products-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.product {
  min-width: 0;
  overflow: hidden;
  border: 1px solid #eceef0;
  background: #fff;
  transition: transform .22s ease, box-shadow .22s ease;
}
.product:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(17,19,21,.1); }
.product-image {
  position: relative;
  aspect-ratio: 1.33;
  padding: 15px;
  overflow: hidden;
  background: linear-gradient(145deg, #fbfbfc, #eff1f3);
}
.product-image img { width: 100%; height: 100%; object-fit: contain; transition: transform .25s ease; }
.product:hover img { transform: scale(1.06); }
.product-num {
  position: absolute;
  left: 12px;
  top: 11px;
  color: #afb4b8;
  font: 700 10px/1 Arial, sans-serif;
}
.product-arrow {
  position: absolute;
  right: 11px;
  bottom: 11px;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border: 1px solid #d3d6d9;
  border-radius: 50%;
  background: rgba(255,255,255,.88);
  font-size: 13px;
}
.product:hover .product-arrow { color: #fff; border-color: var(--orange); background: var(--orange); }
.product-info { padding: 17px 17px 20px; border-top: 1px solid #eceef0; }
.product h3 { margin: 0; font-size: 16px; }
.product p { min-height: 34px; margin: 7px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; }

.solutions-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.solution-card {
  position: relative;
  min-height: 190px;
  overflow: hidden;
  padding: 0;
  color: #fff;
  background: #17191b;
}
.solution-card::before {
  position: absolute;
  inset: 0;
  opacity: .36;
  background-position: center;
  background-size: cover;
  filter: grayscale(.25);
  transition: transform .35s ease, opacity .35s ease;
  content: "";
}
.solution-card:nth-child(1)::before { background-image: url("../images/factory.jpg"); }
.solution-card:nth-child(2)::before { background-image: url("../images/product-breaker.jpg"); }
.solution-card:nth-child(3)::before { background-image: url("../images/product-loader.jpg"); background-color: #27313a; }
.solution-card:nth-child(4)::before { background-image: url("../images/product-milling.jpg"); }
.solution-card:nth-child(5)::before { background-image: url("../images/product-crawler.jpg"); }
.solution-card:hover::before { opacity: .5; transform: scale(1.045); }
.solution-card::after {
  display: none;
}
.solution-card.has-image::before { display: none; }
.solution-card .solution-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  filter: none;
  transition: transform .35s ease, opacity .35s ease;
}
.solution-card:hover .solution-bg { opacity: 1; transform: scale(1.045); }
.solution-card-content { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; padding: 22px 18px 16px; background: linear-gradient(180deg, rgba(15,18,20,0), rgba(15,18,20,.82)); }
.solution-card h3 { margin: 0; font-size: 20px; }
.solution-card p { margin: 8px 0 0; color: #c2c6c8; font-size: 11px; line-height: 1.6; }

.cases-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.case-card { min-width: 0; background: #fff; border: 1px solid #e9ebed; }
.case-cover { position: relative; aspect-ratio: 1.62; overflow: hidden; background: #e9ecef; }
.case-cover img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8); transition: transform .3s ease; }
.case-card:hover img { transform: scale(1.05); }
.play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding-left: 3px;
  transform: translate(-50%,-50%);
  border: 1px solid rgba(255,255,255,.65);
  border-radius: 50%;
  color: #fff;
  background: rgba(0,0,0,.38);
  font-size: 13px;
  backdrop-filter: blur(4px);
}
.case-body { padding: 17px 16px 18px; }
.case-body h3 { margin: 0 0 8px; font-size: 15px; }
.case-body p { min-height: 38px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.case-location { display: flex; align-items: center; gap: 5px; margin-top: 13px; color: var(--orange); font-size: 10px; }

.strength-row { display: grid; grid-template-columns: 1.05fr 1.35fr .82fr; min-height: 250px; }
.factory {
  position: relative;
  overflow: hidden;
  background: #d9dde0;
}
.factory img { width: 100%; height: 100%; object-fit: cover; }
.factory::after { position: absolute; inset: 0; background: rgba(9,10,11,.16); content: ""; }
.factory-play { position: absolute; left: 24px; bottom: 21px; z-index: 2; color: #fff; font-size: 12px; }
.factory-play span { display: inline-grid; place-items: center; width: 30px; height: 30px; margin-right: 7px; border: 1px solid #fff; border-radius: 50%; font-size: 9px; vertical-align: middle; }
.metrics { display: grid; grid-template-columns: repeat(4,1fr); padding: 35px 25px; background: #fff; align-content: center; }
.metric { padding: 12px 9px; text-align: center; border-right: 1px solid #eceef0; }
.metric:nth-child(4n) { border-right: 0; }
.metric strong { display: block; color: var(--orange); font: 700 25px/1.1 Arial, sans-serif; }
.metric span { display: block; margin-top: 8px; color: #61666b; font-size: 11px; }
.strength-cta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8,10,12,.88) 0%, rgba(8,10,12,.72) 100%),
    url("/skin/bzj2026/images/factory-yard-2026.jpg") center 62% / cover no-repeat;
}
.strength-cta h3 { margin: 0; font-size: 25px; line-height: 1.35; }
.strength-cta p { margin: 12px 0 22px; color: rgba(237,240,242,.78); font-size: 12px; line-height: 1.7; }
.strength-cta .more-link { color: var(--orange); }

.video-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.video-card { position: relative; aspect-ratio: 1.72; overflow: hidden; color: #fff; background: #202326; }
.video-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.video-card:hover img { transform: scale(1.055); }
.video-card::after { display: none; }
.video-card .play { z-index: 2; }
.video-caption { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; padding: 22px 18px 16px; background: linear-gradient(180deg, rgba(15,18,20,0), rgba(15,18,20,.82)); }
.video-caption h3 { margin: 0 0 5px; font-size: 15px; }
.video-caption p { margin: 0; color: #cbd0d2; font-size: 10px; }

.knowledge-layout { display: grid; grid-template-columns: 1.15fr 1.85fr; gap: 18px; }
.knowledge-featured { position: relative; min-height: 285px; overflow: hidden; color: #fff; background: #1d2023; }
.knowledge-featured img { width: 100%; height: 100%; object-fit: cover; }
.knowledge-featured::after { display: none; }
.knowledge-featured-content { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; padding: 24px 26px 22px; background: linear-gradient(180deg, rgba(15,18,20,0), rgba(15,18,20,.82)); }
.tag { display: inline-flex; padding: 5px 8px; color: #fff; background: var(--orange); font-size: 10px; }
.knowledge-featured h3 { margin: 13px 0 9px; font-size: 22px; line-height: 1.35; }
.knowledge-featured p { margin: 0; color: #bdc2c5; font-size: 11px; line-height: 1.6; }
.knowledge-featured time { display: block; margin-top: 13px; color: #8f9699; font-size: 10px; }
.knowledge-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #e8eaeb; border-left: 1px solid #e8eaeb; }
.knowledge-item { min-height: 142px; padding: 21px 22px; border-right: 1px solid #e8eaeb; border-bottom: 1px solid #e8eaeb; transition: background .2s ease; }
.knowledge-item:hover { background: #f5f6f7; }
.knowledge-item h4 { margin: 10px 0 8px; font-size: 15px; line-height: 1.55; }
.knowledge-item p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.knowledge-meta { display: flex; gap: 12px; margin-top: 12px; color: #9a9fa3; font-size: 10px; }

.hot-terms { margin-top: 35px; display: flex; align-items: center; flex-wrap: wrap; gap: 9px; }
.hot-terms strong { margin-right: 8px; font-size: 13px; }
.hot-term { padding: 8px 13px; border: 1px solid #e2e4e7; color: #575c61; background: #fafafa; font-size: 11px; }
.hot-term:hover { color: var(--orange); border-color: var(--orange); }

.clients {
  padding: 27px 0;
  border-top: 1px solid #e7e9eb;
  border-bottom: 1px solid #e7e9eb;
}
.clients-row { display: flex; align-items: center; gap: 10px; }
.clients-title { width: 95px; flex: none; font-size: 13px; font-weight: 800; }
.client-mask { overflow: hidden; flex: 1; display: flex; gap: 10px; }
.client {
  flex: none;
  width: 130px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid #e6e8ea;
  color: #777d82;
  background: #fff;
  font-size: 11px;
  font-weight: 700;
}
.client-nav { display: flex; gap: 6px; }

.cta {
  position: relative;
  overflow: hidden;
  padding: 45px 0;
  color: #fff;
  background: linear-gradient(90deg, #101214, #171b1e);
}
.cta::before {
  position: absolute;
  right: -3%;
  bottom: -150%;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(239,91,24,.25);
  border-radius: 50%;
  content: "";
}
.cta-inner { position: relative; z-index: 2; display: grid; grid-template-columns: .75fr 1.25fr; gap: 55px; align-items: center; }
.cta h2 { margin: 0; font-size: 31px; line-height: 1.25; }
.cta h2 span { color: var(--orange); }
.cta p { margin: 11px 0 0; color: #92999c; font-size: 12px; }
.lead-form { display: grid; grid-template-columns: 1fr 1fr 1.2fr 1.2fr auto; gap: 8px; }
.lead-form input, .lead-form select {
  min-width: 0;
  height: 48px;
  padding: 0 12px;
  border: 1px solid #34393d;
  color: #fff;
  background: #22262a;
  outline: none;
  font-size: 11px;
}
.lead-form input::placeholder { color: #9ca1a4; }
.lead-form select { color: #aeb3b6; }
.lead-form button { height: 48px; padding: 0 18px; border: 0; color: #fff; background: var(--orange); font-size: 12px; font-weight: 700; white-space: nowrap; }
.form-errors { grid-column: 1 / -1; display: none; color: #ffb39a; font-size: 11px; }

.footer { color: #858b8f; background: #0b0c0d; }
.footer-main { display: grid; grid-template-columns: 1.25fr .62fr .62fr .9fr; gap: 45px; padding: 56px 0 42px; }
.footer .logo-mark {
  padding: 4px;
  background-color: #fff;
  border-radius: 8px;
  box-sizing: border-box;
}
.footer .logo-sub { color: #aeb4b8; }
.footer-intro { max-width: 310px; margin: 20px 0 0; font-size: 11px; line-height: 1.9; }
.footer h4 { margin: 0 0 16px; color: #fff; font-size: 12px; }
.footer a { display: block; margin: 9px 0; font-size: 11px; }
.footer a:hover { color: var(--orange); }
.footer p { margin: 0; font-size: 11px; line-height: 1.95; }
.footer-bottom { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid #222527; font-size: 10px; }

@media (max-width: 1180px) {
  .header-inner { grid-template-columns: 235px 1fr auto; gap: 22px; }
  .logo-name { font-size: 19px; }
  .main-nav { gap: 18px; font-size: 13px; }
  .hero-grid { grid-template-columns: .92fr 1.08fr; }
  .hero-machine { right: -12%; width: 122%; }
  .hero-caption { display: none; }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .solutions-grid, .cases-grid { grid-template-columns: repeat(3, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .strength-row { grid-template-columns: 1fr 1.3fr; }
  .strength-cta { grid-column: 1 / -1; min-height: 150px; }
  .lead-form { grid-template-columns: 1fr 1fr; }
  .lead-form button { grid-column: 1 / -1; }
  .rail { display: none; }
}

@media (max-width: 760px) {
  .container { width: calc(100% - 28px); }
  .topline { display: none; }
  .header-inner { min-height: 70px; display: flex; justify-content: space-between; gap: 12px; }
  .logo-mark { width: 50px; height: 50px; flex-basis: 50px; font-size: 0; }
  .logo-name { font-size: 18px; }
  .logo-sub { max-width: 105px; font-size: 8px; }
  .main-nav { display: none; }
  .header-actions { gap: 8px; }
  .phone-cta {
    width: 42px;
    height: 42px;
    min-height: 42px;
    display: grid;
    place-items: center;
    padding: 0;
    color: #fff;
    background: var(--orange);
  }
  .phone-cta svg { width: 20px; height: 20px; }
  .phone-cta span { display: none; }
  .mobile-btn { display: grid; }
  .search-btn, .mobile-btn { width: 38px; height: 38px; }
  .hero { min-height: 0; }
  .hero-grid { display: flex; flex-direction: column; min-height: 0; }
  .hero-copy { padding: 58px 0 18px; }
  .hero h1 { font-size: 46px; line-height: 1.1; }
  .hero-sub { font-size: 14px; }
  .hero-actions { flex-direction: column; }
  .hero-visual { min-height: 310px; width: 100%; overflow: hidden; }
  .hero-machine { width: 140%; right: -25%; bottom: 8px; }
  .hero-halo { width: 105%; right: -4%; top: 5%; }
  .hero-line { width: 96%; right: 2%; }
  .hero-controls { right: 0; bottom: 18px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stat { min-height: 88px; padding: 19px 18px; border-bottom: 1px solid rgba(255,255,255,.12); }
  .hero-stat:last-child { grid-column: 1 / -1; }
  .hero-stat-value { font-size: 25px; }
  .section { padding: 54px 0; }
  .section-head { margin-bottom: 23px; }
  .section-head h2 { font-size: 25px; }
  .section-heading { gap: 11px; }
  .heading-bar { height: 37px; }
  .products-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px; }
  .product-image { padding: 8px; }
  .product-info { padding: 12px 11px 15px; }
  .product h3 { font-size: 14px; }
  .product p { font-size: 10px; }
  .solutions-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px; }
  .solution-card { min-height: 170px; padding: 17px; }
  .solution-card h3 { font-size: 17px; }
  .cases-grid { grid-template-columns: 1fr; gap: 10px; }
  .case-card { display: grid; grid-template-columns: 44% 56%; }
  .case-cover { aspect-ratio: auto; height: 100%; min-height: 156px; }
  .case-body { padding: 16px 14px; }
  .strength-row { grid-template-columns: 1fr; }
  .factory { min-height: 250px; }
  .metrics { padding: 22px 12px; }
  .metric { padding: 12px 5px; }
  .metric strong { font-size: 20px; }
  .strength-cta { padding: 26px; }
  .video-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .video-caption { left: 12px; right: 12px; bottom: 11px; }
  .video-caption h3 { font-size: 12px; }
  .knowledge-layout { grid-template-columns: 1fr; }
  .knowledge-list { grid-template-columns: 1fr; border-left: 0; }
  .knowledge-featured { min-height: 250px; }
  .knowledge-item { border-left: 1px solid #e8eaeb; min-height: 124px; }
  .hot-terms { align-items: flex-start; }
  .clients-title { width: 74px; font-size: 12px; }
  .client { width: 106px; height: 40px; font-size: 10px; }
  .client-nav { display: none; }
  .cta { padding: 38px 0; }
  .cta-inner { grid-template-columns: 1fr; gap: 24px; }
  .cta h2 { font-size: 27px; }
  .lead-form { grid-template-columns: 1fr; }
  .lead-form button { grid-column: 1; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px 20px; padding: 42px 0 30px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { display: block; padding: 20px 0; line-height: 1.8; }
}

[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
[data-reveal].visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 380px) {
  .logo-sub { display: none; }
  .header-actions { gap: 6px; }
}


/* Homepage banner carousel */
.hero-banner-stage {
  position: relative;
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  aspect-ratio: 1920 / 690;
  overflow: hidden;
  background: #070809;
}
.hero-banner-slide {
  position: absolute;
  inset: 0;
  display: block;
  opacity: 0;
  visibility: hidden;
  transition: opacity .6s ease, visibility .6s ease;
}
.hero-banner-slide.is-active {
  z-index: 1;
  opacity: 1;
  visibility: visible;
}
.hero-banner-slide picture {
  width: 100%;
  height: 100%;
  display: block;
}
.hero-banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-banner-controls {
  position: absolute;
  z-index: 5;
  top: 22px;
  right: max(24px, calc((100vw - 1360px) / 2 + 28px));
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  background: rgba(4, 6, 7, .66);
  border: 1px solid rgba(255, 255, 255, .16);
  backdrop-filter: blur(8px);
}
.hero-banner-controls .hero-count { margin-right: 7px; }
.hero-banner-controls .round-control { width: 36px; height: 36px; }
.hero-banner-dots {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: 18px;
  display: flex;
  gap: 8px;
  transform: translateX(-50%);
}
.hero-banner-dots button {
  width: 28px;
  height: 3px;
  padding: 0;
  border: 0;
  background: rgba(255,255,255,.38);
  transition: width .25s ease, background .25s ease;
}
.hero-banner-dots button.is-active {
  width: 48px;
  background: var(--orange);
}
.hero-legacy { display: none; }
@media (min-width: 761px) {
  .hero { min-height: 0; }
}
@media (max-width: 760px) {
  .hero-banner-stage {
    display: block;
    aspect-ratio: 750 / 1000;
  }
  .hero-legacy { display: none; }
  .hero-banner-controls { display: none; }
  .hero-banner-dots {
    bottom: 13px;
    padding: 7px 9px;
    background: rgba(5, 7, 8, .48);
  }
  .hero-banner-dots button { width: 24px; }
  .hero-banner-dots button.is-active { width: 42px; }
}