:root {
  --ink: #12212b;
  --muted: #5d6a72;
  --line: #d9e1e5;
  --paper: #ffffff;
  --mist: #f3f7f8;
  --blue: #0b3151;
  --blue-2: #135c86;
  --cyan: #0d8b91;
  --orange: #f19a3e;
  --orange-2: #ffc46b;
  --dark: #091d2b;
  --green: #20a96b;
  --shadow: 0 18px 48px rgba(11, 49, 81, .12);
  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.65;
  letter-spacing: 0;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
sub { font-size: .7em; }

.container { width: min(calc(100% - 48px), var(--container)); margin-inline: 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;
}
.skip-link {
  position: fixed;
  z-index: 9999;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--orange);
  color: #091d2b;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  color: #fff;
  transition: color .25s ease, background-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 8px 24px rgba(8, 28, 43, .1);
  backdrop-filter: blur(14px);
}
.topline {
  border-bottom: 1px solid rgba(255, 255, 255, .18);
  background: rgba(6, 27, 42, .58);
  font-size: 12px;
}
.is-scrolled .topline { color: #fff; background: var(--orange); border-color: transparent; }
.topline-inner { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.topline-inner > span { text-transform: uppercase; font-weight: 700; }
.topline-inner div { display: flex; gap: 24px; }
.topline a:hover { text-decoration: underline; }
.nav-row { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand img { width: 112px; height: 41px; object-fit: contain; }
.brand > span { display: grid; gap: 1px; padding-left: 12px; border-left: 1px solid currentColor; }
.brand b { font-size: 14px; line-height: 1; }
.brand small { font-size: 9px; font-weight: 700; line-height: 1.2; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { position: relative; font-size: 13px; font-weight: 700; }
.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 2px;
  background: var(--orange);
  transition: right .2s ease;
}
.site-nav a:hover::after, .site-nav a.is-active::after { right: 0; }
.nav-cta { padding: 11px 16px; border: 1px solid currentColor; border-radius: 4px; }
.nav-cta:hover { color: var(--dark); background: var(--orange); border-color: var(--orange); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 1px solid currentColor; background: transparent; border-radius: 4px; }
.menu-toggle > span:not(.sr-only) { display: block; width: 100%; height: 2px; margin: 5px 0; background: currentColor; transition: transform .2s ease, opacity .2s ease; }

.hero {
  position: relative;
  min-height: min(850px, 95vh);
  color: #fff;
  isolation: isolate;
  overflow: hidden;
}
.hero-bg, .hero-overlay { position: absolute; inset: 0; }
.hero-bg {
  z-index: -3;
  background: url("asset/factory-03.webp") center / cover no-repeat;
  transform: scale(1.02);
}
.hero-overlay {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(4, 23, 38, .97) 0%, rgba(7, 39, 61, .91) 46%, rgba(5, 36, 54, .48) 75%, rgba(6, 31, 47, .78) 100%),
    linear-gradient(0deg, rgba(4, 19, 30, .82), transparent 48%);
}
.hero-inner { min-height: min(850px, 95vh); padding-top: 145px; padding-bottom: 85px; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr); align-items: center; gap: 40px; }
.hero-copy { position: relative; z-index: 2; max-width: 780px; }
.eyebrow { margin: 0 0 15px; color: var(--cyan); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.eyebrow.light { color: var(--orange-2); }
.hero h1 { max-width: 830px; margin: 0; font-size: clamp(44px, 5.1vw, 76px); line-height: 1.02; font-weight: 760; }
.hero-lead { max-width: 690px; margin: 26px 0 0; color: rgba(255, 255, 255, .82); font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 14px; padding: 12px 20px; border: 1px solid transparent; border-radius: 5px; cursor: pointer; font-weight: 800; transition: transform .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #0a2132; background: var(--orange); }
.button-primary:hover { background: var(--orange-2); }
.button-ghost { color: #fff; border-color: rgba(255, 255, 255, .52); background: rgba(255, 255, 255, .04); }
.button-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .12); }
.button-outline { color: var(--blue); border-color: var(--blue); background: transparent; }
.button-outline:hover { color: #fff; background: var(--blue); }
.hero-facts { display: flex; flex-wrap: wrap; gap: 0; margin: 48px 0 0; }
.hero-facts div { min-width: 150px; padding: 0 24px; border-left: 1px solid rgba(255, 255, 255, .26); }
.hero-facts div:first-child { padding-left: 0; border-left: 0; }
.hero-facts dt { font-size: 22px; font-weight: 800; }
.hero-facts dd { margin: 3px 0 0; color: rgba(255, 255, 255, .65); font-size: 12px; }
.hero-machine {
  position: relative;
  z-index: 1;
  width: min(100%, 570px);
  aspect-ratio: 4 / 5;
  max-height: 660px;
  justify-self: end;
  align-self: end;
  object-fit: cover;
  object-position: 50% 45%;
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%, 0 12%);
  filter: drop-shadow(0 28px 38px rgba(0, 0, 0, .42));
}
.hero-scroll { position: absolute; z-index: 2; bottom: 32px; left: 50%; display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.72); font-size: 11px; font-weight: 700; text-transform: uppercase; transform: translateX(-50%); }
.hero-scroll span { width: 26px; height: 1px; background: var(--orange); }

.signal-band { color: #fff; background: linear-gradient(100deg, var(--blue) 0%, #0c4567 52%, var(--cyan) 100%); }
.signal-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.signal-grid div { min-height: 84px; display: flex; align-items: center; gap: 14px; padding: 18px 26px; border-left: 1px solid rgba(255, 255, 255, .16); }
.signal-grid div:last-child { border-right: 1px solid rgba(255, 255, 255, .16); }
.signal-grid b { color: var(--orange-2); font-size: 13px; }
.signal-grid span { font-size: 13px; font-weight: 700; }

.section { padding: 112px 0; }
.section-tint { background: var(--mist); }
.section-dark { color: #fff; background: var(--dark); }
.section-head { display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, .65fr); align-items: end; gap: 80px; margin-bottom: 55px; }
.section-head h2, .references h2 { max-width: 760px; margin: 0; font-size: clamp(34px, 4vw, 54px); line-height: 1.08; }
.section-head > p { margin: 0; color: var(--muted); font-size: 16px; }
.section-head.light > p { color: rgba(255, 255, 255, .68); }
.section-head.light .eyebrow { color: var(--orange-2); }

.material-intro { display: grid; grid-template-columns: 1.06fr .94fr; gap: 54px; align-items: stretch; }
.image-panel { position: relative; min-height: 510px; margin: 0; overflow: hidden; background: #e8edef; }
.image-panel img { width: 100%; height: 100%; object-fit: cover; }
.image-panel figcaption { position: absolute; left: 0; right: 0; bottom: 0; display: grid; gap: 3px; padding: 24px 28px; color: #fff; background: rgba(5, 25, 39, .84); }
.image-panel figcaption span { color: var(--orange-2); font-size: 10px; font-weight: 800; }
.image-panel figcaption b { font-size: 15px; }
.lab-list { padding: 34px 0; }
.lab-list h3 { margin: 0 0 26px; font-size: 26px; }
.lab-list > div { display: grid; grid-template-columns: 48px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.lab-list > div:last-child { border-bottom: 1px solid var(--line); }
.lab-list > div > span { color: var(--orange); font-size: 12px; font-weight: 800; }
.lab-list p { margin: 0; color: var(--muted); font-size: 14px; }
.lab-list p b { display: block; margin-bottom: 4px; color: var(--ink); font-size: 15px; }

.data-block { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; margin-top: 82px; padding-top: 74px; border-top: 1px solid var(--line); }
.data-copy h3 { margin: 0 0 20px; font-size: 31px; line-height: 1.2; }
.data-copy p { color: var(--muted); }
.text-link { display: inline-flex; gap: 12px; margin-top: 10px; color: var(--blue-2); font-weight: 800; }
.chart-panel { padding: 30px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.chart-title { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.chart-title span { color: var(--muted); font-size: 12px; }
.bar-row { display: grid; grid-template-columns: 105px 1fr 38px; align-items: center; gap: 12px; margin: 10px 0; font-size: 12px; }
.bar-row > div { height: 14px; overflow: hidden; background: #e7edf0; }
.bar-row i { display: block; width: max(var(--bar), 7px); height: 100%; background: linear-gradient(90deg, var(--blue-2), var(--cyan)); transform-origin: left; }
.bar-row b { text-align: right; }
.chart-panel small { display: block; margin-top: 20px; color: var(--muted); font-size: 10px; line-height: 1.5; }

.grade-tool { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 280px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.grade-control { display: flex; flex-direction: column; justify-content: center; padding: 44px; }
.grade-control label { margin-bottom: 24px; font-size: 23px; font-weight: 800; }
.range-line { display: grid; grid-template-columns: 1fr 120px; align-items: center; gap: 28px; }
input[type="range"] { width: 100%; accent-color: var(--orange); }
.range-line output { padding: 12px; color: #fff; background: var(--blue); border-radius: 4px; text-align: center; font-weight: 800; }
.range-scale { display: flex; justify-content: space-between; margin-top: 9px; margin-right: 148px; color: var(--muted); font-size: 10px; }
.grade-result { padding: 40px; color: #fff; background: linear-gradient(145deg, var(--blue) 0%, var(--blue-2) 62%, var(--cyan) 100%); }
.grade-result h3 { margin: 0 0 12px; font-size: 30px; }
.grade-result > p:not(.eyebrow) { color: rgba(255, 255, 255, .74); }
.grade-result dl { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 26px 0 0; }
.grade-result dl div { padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, .24); }
.grade-result dt { color: rgba(255, 255, 255, .58); font-size: 10px; text-transform: uppercase; }
.grade-result dd { margin: 4px 0 0; font-size: 13px; font-weight: 800; }
.grade-table-wrap, .selection-table-wrap, .spec-table-wrap { overflow-x: auto; }
.grade-table-wrap { margin-top: 42px; }
table { width: 100%; border-collapse: collapse; }
th { color: var(--muted); font-size: 11px; text-align: left; text-transform: uppercase; }
.grade-table th, .grade-table td { padding: 18px 20px; border-bottom: 1px solid var(--line); vertical-align: top; }
.grade-table th { background: #e8eef0; }
.grade-table td { font-size: 13px; }
.grade-table td:first-child { min-width: 155px; }
.grade-table td b { display: block; color: var(--blue); font-size: 15px; }
.grade-table td span { display: block; color: var(--muted); font-size: 11px; }
.technical-note { margin: 28px 0 0; padding: 20px 24px; border-left: 4px solid var(--orange); color: var(--muted); background: #fff; }

.process-flow { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-flow article { min-height: 280px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background-color .2s ease, transform .2s ease; }
.process-flow article:hover { position: relative; z-index: 1; background: var(--mist); transform: translateY(-4px); }
.process-flow article > span { color: var(--orange); font-size: 12px; font-weight: 800; }
.process-flow h3 { margin: 45px 0 12px; font-size: 20px; }
.process-flow p { margin: 0; color: var(--muted); font-size: 13px; }
.process-flow b { display: block; margin-top: 24px; color: var(--blue-2); font-size: 11px; }
.process-detail { display: grid; grid-template-columns: 1.08fr .92fr; gap: 62px; align-items: center; margin-top: 68px; }
.process-image { aspect-ratio: 4 / 3; overflow: hidden; background: var(--mist); }
.process-image img { width: 100%; height: 100%; object-fit: cover; }
.process-detail h3 { margin: 0 0 22px; font-size: 34px; }
.check-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.check-list li { padding: 16px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.check-list li:last-child { border-bottom: 1px solid var(--line); }
.check-list b { color: var(--ink); }

.selection-table { min-width: 980px; color: rgba(255,255,255,.76); }
.selection-table th, .selection-table td { padding: 20px; border-bottom: 1px solid rgba(255,255,255,.13); vertical-align: top; }
.selection-table th { color: var(--orange-2); background: rgba(255,255,255,.04); }
.selection-table td { font-size: 13px; }
.selection-table td:first-child { color: #fff; }
.selection-table tr.selected { background: rgba(13, 139, 145, .18); box-shadow: inset 4px 0 var(--orange); }
.decision-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 56px; border-top: 1px solid rgba(255,255,255,.14); border-left: 1px solid rgba(255,255,255,.14); }
.decision-grid div { min-height: 210px; padding: 26px; border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.decision-grid span { color: var(--orange); font-weight: 800; }
.decision-grid h3 { margin: 36px 0 9px; font-size: 18px; }
.decision-grid p { margin: 0; color: rgba(255,255,255,.58); font-size: 13px; }

.principle-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
.structure-figure { margin: 0; background: var(--mist); }
.structure-figure img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.structure-figure figcaption { padding: 13px 16px; color: var(--muted); font-size: 11px; }
.principle-copy ol { margin: 0; padding: 0; list-style: none; }
.principle-copy li { display: grid; grid-template-columns: 52px 1fr; gap: 20px; padding: 20px 0; border-top: 1px solid var(--line); }
.principle-copy li:last-child { border-bottom: 1px solid var(--line); }
.principle-copy li > span { color: var(--orange); font-size: 12px; font-weight: 800; }
.principle-copy h3 { margin: 0 0 6px; font-size: 18px; }
.principle-copy p { margin: 0; color: var(--muted); font-size: 13px; }
.component-strip { display: grid; grid-template-columns: repeat(6, 1fr); margin-top: 68px; color: #fff; background: var(--blue); }
.component-strip div { min-height: 145px; display: flex; flex-direction: column; padding: 20px; border-right: 1px solid rgba(255,255,255,.14); }
.component-strip span { color: var(--orange-2); font-size: 10px; font-weight: 800; }
.component-strip b { margin-top: auto; font-size: 13px; }
.component-strip small { color: rgba(255,255,255,.55); }
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.advantage-grid article { min-height: 225px; padding: 28px; border: 1px solid var(--line); background: #fff; box-shadow: 0 10px 30px rgba(9, 38, 58, .06); }
.advantage-grid article > b { color: var(--orange); font-size: 12px; }
.advantage-grid h3 { margin: 38px 0 10px; font-size: 19px; }
.advantage-grid p { margin: 0; color: var(--muted); font-size: 13px; }

.model-tabs { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 18px; border: 1px solid var(--line); background: #fff; }
.model-tabs button { min-height: 62px; border: 0; border-right: 1px solid var(--line); background: transparent; cursor: pointer; font-weight: 800; }
.model-tabs button:last-child { border-right: 0; }
.model-tabs button[aria-selected="true"] { color: #fff; background: var(--blue); }
.model-panel { border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.model-summary { display: grid; grid-template-columns: 1.3fr 1fr 1fr; background: linear-gradient(120deg, var(--blue), var(--blue-2)); color: #fff; }
.model-summary div { min-height: 105px; display: grid; align-content: center; gap: 7px; padding: 22px 28px; border-right: 1px solid rgba(255,255,255,.18); }
.model-summary span { color: rgba(255,255,255,.58); font-size: 10px; text-transform: uppercase; }
.model-summary b { font-size: 15px; }
.spec-table-wrap { padding: 14px 26px 26px; }
.spec-table-wrap table { min-width: 620px; }
.spec-table-wrap th, .spec-table-wrap td { padding: 16px 14px; border-bottom: 1px solid var(--line); }
.spec-table-wrap tbody tr:hover { background: var(--mist); }
.spec-table-wrap td { font-size: 14px; }
.spec-table-wrap td:first-child { color: var(--blue); font-weight: 800; }
.parameter-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 24px; }
.parameter-notes p { margin: 0; padding: 20px; border-left: 3px solid var(--orange); background: #fff; color: var(--muted); font-size: 12px; }
.parameter-notes b { color: var(--ink); }

.material-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.material-grid article { overflow: hidden; border: 1px solid var(--line); background: #fff; }
.material-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .35s ease; }
.material-grid article:hover img { transform: scale(1.035); }
.material-grid article div { min-height: 130px; padding: 20px; }
.material-grid h3 { margin: 0 0 8px; font-size: 18px; }
.material-grid p { margin: 0; color: var(--muted); font-size: 12px; }
.industry-line { display: flex; flex-wrap: wrap; margin-top: 34px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.industry-line span { flex: 1 1 150px; padding: 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: center; font-size: 12px; font-weight: 800; }

.case-feature { display: grid; grid-template-columns: 1.2fr .8fr; gap: 54px; align-items: center; }
.video-shell { position: relative; overflow: hidden; background: #000; box-shadow: 0 22px 50px rgba(0,0,0,.34); }
.video-shell video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.video-watermark { position: absolute; z-index: 2; top: 18px; right: 18px; width: 95px; padding: 7px 10px; background: rgba(255,255,255,.86); opacity: .85; pointer-events: none; }
.case-copy h3 { margin: 0 0 16px; font-size: 34px; }
.case-copy > p:not(.eyebrow) { color: rgba(255,255,255,.68); }
.case-copy dl { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 28px; border-top: 1px solid rgba(255,255,255,.14); border-left: 1px solid rgba(255,255,255,.14); }
.case-copy dl div { padding: 15px; border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.case-copy dt { color: var(--orange-2); font-size: 10px; text-transform: uppercase; }
.case-copy dd { margin: 3px 0 0; color: rgba(255,255,255,.7); font-size: 12px; }
.case-gallery { display: grid; grid-template-columns: 1.35fr .825fr .825fr; gap: 18px; margin-top: 48px; }
.case-gallery figure { position: relative; min-height: 310px; margin: 0; overflow: hidden; }
.case-gallery img { width: 100%; height: 100%; object-fit: cover; }
.case-gallery figcaption { position: absolute; inset: auto 0 0; display: grid; padding: 18px; background: linear-gradient(transparent, rgba(5,20,31,.93)); }
.case-gallery figcaption b { font-size: 14px; }
.case-gallery figcaption span { color: rgba(255,255,255,.6); font-size: 10px; }

.company-story { display: grid; grid-template-columns: 1.08fr .92fr; gap: 58px; align-items: stretch; }
.company-copy > p { margin-top: 0; color: var(--muted); }
.company-numbers { display: grid; grid-template-columns: 1fr 1fr; margin-top: 32px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.company-numbers div { min-height: 112px; display: grid; align-content: center; padding: 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.company-numbers b { color: var(--blue); font-size: 25px; }
.company-numbers span { color: var(--muted); font-size: 11px; }
.credential-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.credential-list span { padding: 8px 10px; border: 1px solid var(--line); border-radius: 4px; color: var(--blue); background: var(--mist); font-size: 10px; font-weight: 800; }
.company-story figure { position: relative; min-height: 440px; margin: 0; overflow: hidden; }
.company-story figure img { width: 100%; height: 100%; object-fit: cover; }
.company-story figure figcaption, .factory-gallery figcaption { position: absolute; inset: auto 0 0; padding: 14px 18px; color: #fff; background: rgba(6,27,42,.82); font-size: 11px; }
.factory-gallery { display: grid; grid-template-columns: 1.3fr repeat(2, 1fr); grid-template-rows: 240px 240px; gap: 14px; margin-top: 64px; }
.factory-gallery figure { position: relative; margin: 0; overflow: hidden; }
.factory-gallery .factory-main { grid-row: 1 / 3; }
.factory-gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.factory-gallery figure:hover img { transform: scale(1.03); }
.certificate-strip { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 42px; }
.certificate-strip figure { margin: 0; border: 1px solid var(--line); background: #fff; }
.certificate-strip img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: 10px; }
.certificate-strip figcaption { padding: 10px; border-top: 1px solid var(--line); color: var(--muted); text-align: center; font-size: 10px; }

.parts-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.parts-grid article { overflow: hidden; border: 1px solid var(--line); background: #fff; }
.parts-grid img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: #f8fafb; }
.parts-grid article div { min-height: 150px; padding: 18px; }
.parts-grid h3 { margin: 0 0 8px; font-size: 16px; }
.parts-grid p { margin: 0; color: var(--muted); font-size: 11px; }
.parts-promise { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 36px; color: #fff; background: var(--blue); }
.parts-promise div { min-height: 115px; display: grid; align-content: center; gap: 5px; padding: 20px; border-right: 1px solid rgba(255,255,255,.15); }
.parts-promise b { font-size: 13px; }
.parts-promise span { color: rgba(255,255,255,.58); font-size: 10px; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-grid article { min-height: 220px; padding: 27px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-grid span { color: var(--orange); font-size: 11px; font-weight: 800; }
.service-grid h3 { margin: 40px 0 8px; font-size: 18px; }
.service-grid p { margin: 0; color: var(--muted); font-size: 12px; }
.visitor-block { display: grid; grid-template-columns: .75fr 1.25fr; gap: 54px; align-items: center; margin-top: 70px; padding-top: 62px; border-top: 1px solid var(--line); }
.visitor-block h3 { margin: 0 0 15px; font-size: 31px; line-height: 1.2; }
.visitor-block > div:first-child > p:not(.eyebrow) { color: var(--muted); }
.visitor-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.visitor-gallery figure { position: relative; min-height: 125px; margin: 0; overflow: hidden; }
.visitor-gallery figure:first-child { grid-column: span 2; grid-row: span 2; }
.visitor-gallery img { width: 100%; height: 100%; object-fit: cover; }
.visitor-gallery figcaption { position: absolute; right: 0; bottom: 0; padding: 5px 8px; color: #fff; background: rgba(6,27,42,.82); font-size: 9px; }

.faq-section { background: #f8fafb; }
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; }
.faq-list details { align-self: start; border: 1px solid var(--line); background: #fff; }
.faq-list summary { position: relative; padding: 19px 52px 19px 20px; cursor: pointer; font-size: 14px; font-weight: 800; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 14px; right: 17px; width: 30px; height: 30px; display: grid; place-items: center; color: var(--blue); border: 1px solid var(--line); border-radius: 50%; }
.faq-list details[open] summary::after { content: "−"; color: #fff; background: var(--blue); border-color: var(--blue); }
.faq-list details p { margin: 0; padding: 0 20px 20px; color: var(--muted); font-size: 13px; }

.contact-section { color: #fff; background: linear-gradient(125deg, #071c2a 0%, var(--blue) 58%, #0a6871 100%); }
.contact-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 76px; align-items: start; }
.contact-copy h2 { max-width: 570px; margin: 0; font-size: clamp(36px, 4.5vw, 56px); line-height: 1.06; }
.contact-copy > p:not(.eyebrow) { max-width: 600px; color: rgba(255,255,255,.67); }
.contact-methods { display: grid; margin-top: 38px; border-top: 1px solid rgba(255,255,255,.16); }
.contact-methods a, .contact-methods address { display: grid; gap: 4px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.16); font-style: normal; }
.contact-methods span { color: var(--orange-2); font-size: 10px; text-transform: uppercase; }
.contact-methods b { font-size: 13px; }
.brief-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.brief-list span { padding: 7px 9px; border: 1px solid rgba(255,255,255,.2); border-radius: 4px; color: rgba(255,255,255,.65); font-size: 10px; }
.lead-form { display: grid; gap: 16px; padding: 36px; color: var(--ink); background: #fff; box-shadow: 0 24px 60px rgba(0,0,0,.24); }
.form-head { display: flex; justify-content: space-between; align-items: end; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.form-head span { color: var(--orange); font-size: 10px; font-weight: 800; }
.form-head b { color: var(--blue); font-size: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.lead-form label { display: grid; gap: 7px; color: var(--muted); font-size: 11px; font-weight: 700; }
.lead-form input, .lead-form textarea { width: 100%; padding: 12px 13px; border: 1px solid #cfd9dd; border-radius: 3px; color: var(--ink); background: #fbfcfc; outline: none; }
.lead-form input:focus, .lead-form textarea:focus { border-color: var(--blue-2); box-shadow: 0 0 0 3px rgba(19,92,134,.1); }
.lead-form textarea { resize: vertical; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.lead-form small { color: var(--muted); font-size: 9px; }
.form-status { min-height: 18px; margin: 0; color: var(--blue-2); font-size: 11px; font-weight: 700; }

.references { padding: 75px 0; background: #eef3f4; }
.references-head { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 40px; margin-bottom: 34px; }
.references h2 { font-size: 34px; }
.references ol { margin: 0; padding: 0; list-style: none; counter-reset: refs; }
.references li { counter-increment: refs; display: grid; grid-template-columns: 38px 1.05fr 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.references li::before { content: counter(refs, decimal-leading-zero); color: var(--orange); font-size: 11px; font-weight: 800; }
.references li a, .references li > span:first-of-type { color: var(--blue); font-size: 12px; font-weight: 800; }
.references li > span:last-child { color: var(--muted); font-size: 11px; }
.references .container > p { margin: 28px 0 0; color: var(--muted); font-size: 11px; }

.site-footer { color: rgba(255,255,255,.68); background: #061620; }
.footer-main { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 50px; padding-top: 64px; padding-bottom: 56px; }
.footer-brand img { width: 125px; padding: 8px; background: #fff; }
.footer-brand p { max-width: 270px; margin-top: 20px; font-size: 12px; }
.footer-main > div:not(.footer-brand) { display: grid; align-content: start; gap: 8px; }
.footer-main b { margin-bottom: 12px; color: #fff; font-size: 13px; }
.footer-main a, .footer-main address { font-size: 11px; font-style: normal; }
.footer-main a:hover { color: var(--orange-2); }
.footer-bottom { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid rgba(255,255,255,.12); font-size: 10px; }
.footer-bottom div { display: flex; gap: 18px; }

.whatsapp-float { position: fixed; z-index: 990; right: 22px; bottom: 22px; display: flex; align-items: center; gap: 8px; min-height: 48px; padding: 10px 15px; color: #fff; background: var(--green); border-radius: 5px; box-shadow: 0 12px 30px rgba(0,0,0,.2); }
.whatsapp-float span { width: 26px; height: 26px; display: grid; place-items: center; border: 2px solid #fff; border-radius: 50%; font-size: 18px; }
.whatsapp-float b { font-size: 11px; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1100px) {
  .site-nav { gap: 18px; }
  .site-nav a { font-size: 12px; }
  .hero-inner { grid-template-columns: 1.15fr .85fr; }
  .hero-machine { width: 440px; }
  .section-head { gap: 50px; }
  .process-flow { grid-template-columns: repeat(2, 1fr); }
  .component-strip { grid-template-columns: repeat(3, 1fr); }
  .component-strip div { border-bottom: 1px solid rgba(255,255,255,.14); }
  .material-grid { grid-template-columns: repeat(3, 1fr); }
  .parts-grid { grid-template-columns: repeat(3, 1fr); }
  .certificate-strip { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 78px; }
  .topline { display: none; }
  .nav-row { min-height: 72px; }
  .menu-toggle { display: block; }
  .site-nav {
    position: fixed;
    top: 72px;
    right: 0;
    bottom: 0;
    width: min(360px, 88vw);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 25px;
    color: var(--ink);
    background: #fff;
    box-shadow: -15px 24px 40px rgba(0,0,0,.16);
    transform: translateX(110%);
    transition: transform .25s ease;
  }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav a { padding: 15px 4px; border-bottom: 1px solid var(--line); font-size: 14px; }
  .site-nav a::after { display: none; }
  .site-nav .nav-cta { margin-top: 18px; padding: 14px; color: #fff; background: var(--blue); text-align: center; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: 860px; }
  .hero-inner { min-height: 860px; grid-template-columns: 1fr; padding-top: 130px; padding-bottom: 150px; }
  .hero-copy { max-width: 720px; }
  .hero-machine { position: absolute; right: -60px; bottom: -115px; width: 410px; opacity: .64; }
  .hero-scroll { left: 24px; transform: none; }
  .signal-grid { grid-template-columns: 1fr 1fr; }
  .signal-grid div { border-bottom: 1px solid rgba(255,255,255,.16); }
  .section { padding: 84px 0; }
  .section-head { grid-template-columns: 1fr; gap: 22px; }
  .section-head > p { max-width: 700px; }
  .material-intro, .data-block, .process-detail, .principle-grid, .case-feature, .company-story, .visitor-block, .contact-layout { grid-template-columns: 1fr; }
  .data-block { gap: 38px; }
  .grade-tool { grid-template-columns: 1fr; }
  .selection-table-wrap { margin-right: -24px; }
  .decision-grid { grid-template-columns: 1fr 1fr; }
  .advantage-grid { grid-template-columns: 1fr 1fr; }
  .case-gallery { grid-template-columns: 1.25fr 1fr; }
  .case-gallery figure:first-child { grid-row: span 2; }
  .factory-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 300px 210px 210px; }
  .factory-gallery .factory-main { grid-column: 1 / 3; grid-row: auto; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .visitor-block { gap: 34px; }
  .faq-list { grid-template-columns: 1fr; }
  .contact-layout { gap: 48px; }
  .footer-main { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-main > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .brand img { width: 96px; }
  .brand > span { display: none; }
  .hero { min-height: 780px; }
  .hero-inner { min-height: 780px; padding-top: 108px; padding-bottom: 138px; }
  .hero h1 { font-size: 42px; }
  .hero-lead { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .hero-facts { margin-top: 35px; }
  .hero-facts div { min-width: 33.33%; padding: 0 10px; }
  .hero-facts dt { font-size: 16px; }
  .hero-facts dd { font-size: 9px; }
  .hero-machine { right: -95px; bottom: -68px; width: 330px; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-grid div { min-height: 62px; padding: 14px 18px; }
  .section { padding: 68px 0; }
  .section-head { margin-bottom: 36px; }
  .section-head h2, .references h2 { font-size: 34px; }
  .section-head > p { font-size: 14px; }
  .image-panel { min-height: 350px; }
  .material-intro { gap: 25px; }
  .lab-list { padding-bottom: 0; }
  .data-block { margin-top: 52px; padding-top: 52px; }
  .chart-panel { padding: 20px 14px; }
  .bar-row { grid-template-columns: 83px 1fr 34px; gap: 8px; }
  .grade-control, .grade-result { padding: 28px 20px; }
  .range-line { grid-template-columns: 1fr; gap: 15px; }
  .range-scale { margin-right: 0; }
  .grade-result dl { grid-template-columns: 1fr; }
  .grade-table { min-width: 850px; }
  .process-flow { grid-template-columns: 1fr; }
  .process-flow article { min-height: 230px; }
  .process-flow h3 { margin-top: 28px; }
  .process-detail { gap: 30px; }
  .decision-grid, .advantage-grid { grid-template-columns: 1fr; }
  .decision-grid div { min-height: 180px; }
  .component-strip { grid-template-columns: 1fr 1fr; }
  .component-strip div { min-height: 130px; }
  .model-tabs { grid-template-columns: 1fr; }
  .model-tabs button { border-right: 0; border-bottom: 1px solid var(--line); }
  .model-summary { grid-template-columns: 1fr; }
  .model-summary div { min-height: 78px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .spec-table-wrap { padding: 8px 12px 18px; }
  .parameter-notes { grid-template-columns: 1fr; }
  .material-grid, .parts-grid { grid-template-columns: 1fr 1fr; }
  .material-grid article div { min-height: 145px; padding: 15px; }
  .parts-grid article div { min-height: 165px; padding: 15px; }
  .industry-line span { flex-basis: 50%; }
  .case-gallery { grid-template-columns: 1fr; }
  .case-gallery figure:first-child { grid-row: auto; }
  .case-gallery figure { min-height: 240px; }
  .factory-gallery { grid-template-columns: 1fr; grid-template-rows: repeat(5, 230px); }
  .factory-gallery .factory-main { grid-column: auto; }
  .certificate-strip { grid-template-columns: 1fr 1fr; }
  .parts-promise { grid-template-columns: 1fr 1fr; }
  .parts-promise div { border-bottom: 1px solid rgba(255,255,255,.15); }
  .service-grid { grid-template-columns: 1fr; }
  .visitor-gallery { grid-template-columns: 1fr 1fr; }
  .visitor-gallery figure:first-child { grid-column: 1 / -1; grid-row: auto; min-height: 210px; }
  .visitor-gallery figure { min-height: 120px; }
  .form-row { grid-template-columns: 1fr; }
  .lead-form { padding: 25px 18px; }
  .form-head { align-items: start; flex-direction: column; gap: 5px; }
  .form-actions { flex-direction: column; }
  .references-head { grid-template-columns: 1fr; gap: 8px; }
  .references li { grid-template-columns: 30px 1fr; }
  .references li > span:last-child { grid-column: 2; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 35px 28px; }
  .footer-brand, .footer-main > div:last-child { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; padding: 20px 0; }
  .whatsapp-float { right: 14px; bottom: 14px; width: 48px; height: 48px; padding: 9px; border-radius: 50%; }
  .whatsapp-float b { display: none; }
  .whatsapp-float span { border: 0; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 37px; }
  .material-grid, .parts-grid, .certificate-strip { grid-template-columns: 1fr; }
  .material-grid article div, .parts-grid article div { min-height: auto; }
  .component-strip, .parts-promise { grid-template-columns: 1fr; }
  .hero-facts div { min-width: 50%; margin-bottom: 12px; }
  .hero-facts div:nth-child(3) { padding-left: 0; border-left: 0; }
}