:root {
  --ink: #18201f;
  --graphite: #252d2b;
  --graphite-2: #343d3a;
  --muted: #66706c;
  --line: #d9ddd7;
  --paper: #f4f3ee;
  --paper-2: #ebece6;
  --white: #fff;
  --copper: #b86431;
  --copper-dark: #8d4826;
  --copper-soft: #f2dfd1;
  --green: #2f6a55;
  --radius: 4px;
  --shadow: 0 18px 50px rgba(36, 43, 40, .12);
  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.72;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -70px; left: 18px; z-index: 1000; padding: 10px 15px; color: white; background: var(--graphite); }
.skip-link:focus { top: 14px; }
[id] { scroll-margin-top: 82px; }

.site-header { position: sticky; top: 0; z-index: 100; height: 72px; background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.nav-shell { display: flex; height: 100%; align-items: center; gap: 25px; }
.brand { flex: 0 0 auto; }
.brand img { width: 150px; height: auto; }
.site-nav { display: flex; align-items: center; gap: clamp(14px, 1.8vw, 27px); margin-left: auto; }
.site-nav a { color: #394340; font-size: 13px; font-weight: 700; white-space: nowrap; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--copper-dark); }
.nav-phone { padding: 9px 15px; color: white; font-size: 13px; font-weight: 750; background: var(--graphite); border: 1px solid var(--graphite); }
.nav-toggle { display: none; }

.hero { position: relative; overflow: hidden; background-color: var(--paper); background-image: linear-gradient(rgba(39, 48, 45, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(39, 48, 45, .045) 1px, transparent 1px); background-size: 34px 34px; }
.hero::after { position: absolute; top: 0; right: 0; width: 36%; height: 100%; content: ""; background: var(--graphite); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(430px, .92fr); gap: clamp(45px, 6vw, 86px); align-items: center; min-height: 650px; padding-block: 58px 66px; }
.hero-copy { min-width: 0; }
.eyebrow, .kicker { margin: 0 0 13px; color: var(--copper-dark); font-size: 11px; font-weight: 850; letter-spacing: .18em; line-height: 1.4; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(38px, 4vw, 62px); line-height: 1.16; letter-spacing: -.04em; }
.hero-intro { max-width: 770px; margin: 0; color: #56605c; font-size: 15px; line-height: 1.9; }
.hero-contact-text { margin: 13px 0 0; color: var(--graphite); font-size: 14px; font-weight: 700; }
.hero-contact-text a { color: var(--copper-dark); font-size: 17px; font-weight: 850; white-space: nowrap; }
.positioning-line { display: flex; flex-wrap: wrap; gap: 0; margin-top: 22px; }
.positioning-line > * { padding: 7px 12px; color: #505a56; font-size: 12px; background: rgba(255, 255, 255, .65); border: 1px solid #ccd1cb; }
.positioning-line > * + * { border-left: 0; }
.positioning-line strong { color: var(--copper-dark); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 27px; }
.button { display: inline-flex; min-height: 48px; padding: 0 20px; align-items: center; justify-content: center; font-weight: 750; line-height: 1.25; border: 1px solid transparent; transition: color .2s ease, background .2s ease, transform .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-dark { color: white; background: var(--graphite); }
.button-outline { color: var(--graphite); background: rgba(255, 255, 255, .45); border-color: #8d9591; }
.button-copper { color: white; background: var(--copper); }

.hero-visual { position: relative; display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(145px, .72fr); grid-template-rows: 1fr 1fr; gap: 12px; min-width: 0; color: white; }
.hero-product { position: relative; grid-row: 1 / 3; min-width: 0; margin: 0; overflow: hidden; background: white; box-shadow: var(--shadow); }
.hero-product::before { position: absolute; top: 0; left: 0; z-index: 2; width: 50px; height: 4px; content: ""; background: var(--copper); }
.hero-product img { width: 100%; height: 430px; object-fit: contain; object-position: center; background: white; }
.hero-product figcaption { display: flex; padding: 13px 15px; color: var(--ink); flex-direction: column; background: white; }
.hero-product figcaption span { color: var(--copper-dark); font-size: 9px; font-weight: 800; letter-spacing: .13em; }
.hero-product figcaption strong { font-size: 14px; }
.hero-detail { position: relative; z-index: 3; min-width: 0; margin: 0; overflow: hidden; background: white; border: 5px solid var(--graphite); box-shadow: 0 12px 34px rgba(0, 0, 0, .2); }
.hero-detail-mold { grid-column: 2; grid-row: 1; }
.hero-detail-machine { grid-column: 2; grid-row: 2; }
.hero-detail img { width: 100%; height: 174px; object-fit: contain; object-position: center; background: #f3f3ef; }
.hero-detail-machine img { object-fit: cover; }
.hero-detail figcaption { padding: 7px 9px; color: var(--graphite); font-size: 10px; font-weight: 750; }
.hero-code { display: none; }

.capability-rail { position: relative; z-index: 2; background: white; border-bottom: 1px solid var(--line); }
.rail-grid { display: grid; grid-template-columns: .8fr .95fr .9fr 1fr 1.15fr 1.7fr; }
.rail-grid > div { display: flex; min-width: 0; min-height: 92px; padding: 16px 15px; flex-direction: column; justify-content: center; border-right: 1px solid var(--line); }
.rail-grid > div:first-child { border-left: 1px solid var(--line); }
.rail-grid strong { color: var(--graphite); font-size: clamp(18px, 1.7vw, 25px); line-height: 1.28; overflow-wrap: anywhere; }
.rail-grid span { margin-top: 5px; color: var(--muted); font-size: 11px; }
.rail-grid .rail-system strong { color: var(--copper-dark); font-size: 14px; line-height: 1.5; }
.rail-note { padding-block: 12px 14px; margin-top: 0; margin-bottom: 0; color: #7a827f; font-size: 11px; }

.section { padding-block: 68px; }
.section-heading { margin-bottom: 29px; }
.section-heading h2, .application-grid h2, .evaluation-grid h2, .materials-grid h2, .workflow h2, .faq-grid h2, .contact-grid h2 { margin: 0; color: var(--graphite); font-size: clamp(29px, 3vw, 43px); line-height: 1.27; letter-spacing: -.03em; }
.heading-split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .65fr); gap: clamp(35px, 6vw, 80px); align-items: end; }
.heading-split > p { margin: 0; color: var(--muted); font-size: 14px; }

.challenge-section { background: white; }
.challenge-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--graphite); border-left: 1px solid var(--line); }
.challenge-grid article { position: relative; min-height: 235px; padding: 25px 24px; background: #fbfbf8; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.challenge-grid article:nth-child(even) { background: var(--paper); }
.challenge-grid article::after { position: absolute; right: 0; bottom: 0; width: 35px; height: 3px; content: ""; background: var(--copper); }
.challenge-grid span { color: var(--copper-dark); font: 700 12px Consolas, monospace; }
.challenge-grid h3 { margin: 42px 0 10px; font-size: 19px; }
.challenge-grid p { margin: 0; color: var(--muted); font-size: 13px; }

.local-application { color: white; background: var(--graphite); }
.application-grid { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: clamp(40px, 7vw, 90px); align-items: center; }
.application-label { display: flex; min-height: 170px; padding: 18px; flex-direction: column; justify-content: space-between; border: 1px solid #59625f; }
.application-label span { color: #a9b1ad; font: 10px Consolas, monospace; letter-spacing: .12em; }
.application-label strong { color: #dc8b5b; font-size: 34px; overflow-wrap: anywhere; }
.application-grid .kicker { color: #dc8b5b; }
.application-grid h2 { color: white; }
.application-grid > div:last-child > p:last-child { margin: 20px 0 0; color: #c9cecb; }

.process-section { background: var(--paper); }
.control-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.control-card { min-height: 205px; padding: 24px; background: white; border: 1px solid #d8dcd6; }
.control-card svg { width: 37px; height: 37px; color: var(--copper); }
.control-card h3 { margin: 30px 0 8px; font-size: 18px; }
.control-card p { margin: 0; color: var(--muted); font-size: 13px; }

.workflow { padding-block: 54px; color: white; background: #111817; }
.workflow-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 24px; }
.workflow .kicker { color: #d98250; }
.workflow h2 { color: white; font-size: clamp(27px, 2.5vw, 37px); }
.workflow-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; padding: 1px; margin: 0; list-style: none; background: #3d4542; }
.workflow-list li { min-height: 104px; padding: 15px 17px; background: #18201f; }
.workflow-list span { color: #d98250; font: 700 11px Consolas, monospace; }
.workflow-list strong { display: block; margin-top: 14px; font-size: 13px; line-height: 1.45; }

.gallery-section { background: white; }
.project-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gallery-card { margin: 0; overflow: hidden; background: var(--paper); border: 1px solid var(--line); }
.gallery-card img { width: 100%; height: 235px; object-fit: contain; object-position: center; background: white; transition: transform .25s ease; }
.gallery-equipment img, .gallery-inspection img { object-fit: cover; }
.gallery-card:hover img { transform: scale(1.025); }
.gallery-card figcaption { display: flex; min-height: 64px; padding: 10px 13px; flex-direction: column; justify-content: center; }
.gallery-card strong { font-size: 13px; }
.gallery-card span { color: var(--copper-dark); font: 700 8px Consolas, monospace; letter-spacing: .1em; }
.gallery-mold { border-top: 3px solid var(--copper); }
.gallery-equipment, .gallery-inspection { border-top: 3px solid var(--green); }

.technical-evaluation { background: var(--copper-soft); }
.evaluation-grid { display: grid; grid-template-columns: minmax(300px, .85fr) minmax(0, 1.15fr); gap: clamp(50px, 8vw, 110px); align-items: start; }
.evaluation-title > span { display: inline-block; padding: 4px 8px; margin-bottom: 24px; color: white; font: 10px Consolas, monospace; letter-spacing: .12em; background: var(--copper); }
.evaluation-text { padding-left: 28px; border-left: 1px solid #c89e85; }
.evaluation-text > p { margin: 0; color: #4d4945; font-size: 15px; line-height: 1.9; }
.evaluation-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 21px; }
.evaluation-tags span { padding: 5px 9px; color: var(--copper-dark); font-size: 11px; background: rgba(255, 255, 255, .55); border: 1px solid #d7ae96; }

.materials-section { background: var(--paper); }
.materials-grid { display: grid; grid-template-columns: 1.05fr .95fr .95fr; gap: 18px; align-items: stretch; }
.materials-intro { padding-right: clamp(20px, 4vw, 55px); }
.materials-intro p:last-child { color: var(--muted); font-size: 14px; }
.material-group { padding: 24px; background: white; border: 1px solid var(--line); }
.material-special { color: white; background: var(--graphite); border-color: var(--graphite); }
.group-code { color: var(--copper); font: 9px Consolas, monospace; letter-spacing: .11em; }
.material-group h3 { margin: 34px 0 18px; font-size: 17px; }
.material-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.material-tags span { min-width: 54px; padding: 6px 8px; text-align: center; font: 700 11px Consolas, monospace; background: var(--paper); border: 1px solid var(--line); }
.material-special .material-tags span { background: #313a37; border-color: #505956; }

.equipment-section { background: white; }
.equipment-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.equipment-columns article { padding-bottom: 22px; background: var(--paper); border: 1px solid var(--line); }
.equipment-columns figure { margin: 0 0 19px; overflow: hidden; background: #ddd; }
.equipment-columns img { width: 100%; height: 235px; object-fit: contain; object-position: center; background: #e6e8e3; }
.column-code, .equipment-columns h3, .equipment-columns ul { margin-right: 21px; margin-left: 21px; }
.column-code { color: var(--copper-dark); font: 9px Consolas, monospace; letter-spacing: .12em; }
.equipment-columns h3 { margin-top: 5px; margin-bottom: 12px; font-size: 19px; }
.equipment-columns ul { padding: 0; list-style: none; color: var(--muted); font-size: 12px; }
.equipment-columns li { padding: 6px 0; border-top: 1px solid #d6d9d3; }

.quality-section { color: white; background: var(--graphite); }
.quality-section .kicker { color: #d98250; }
.quality-section .section-heading h2 { color: white; }
.quality-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; padding: 1px; background: #5b625f; }
.quality-metrics > div { min-height: 158px; padding: 22px; background: #2c3532; }
.quality-metrics span { display: block; color: #abb2af; font-size: 11px; }
.quality-metrics strong { display: block; margin-top: 35px; color: white; font-size: clamp(26px, 2.7vw, 39px); line-height: 1.2; }
.quality-metrics small { margin-left: 4px; color: #d98250; font-size: 12px; }
.quality-note { padding: 14px 16px; margin: 13px 0 22px; color: #c5cbc8; font-size: 11px; background: #202826; border-left: 3px solid var(--copper); }
.certificate-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.certificate-grid figure { display: grid; grid-template-columns: 128px 1fr; gap: 18px; align-items: center; min-height: 196px; padding: 13px; margin: 0; color: var(--ink); background: white; }
.certificate-grid img { width: 128px; height: 170px; object-fit: contain; object-position: top; background: #f7f7f7; border: 1px solid var(--line); }
.certificate-grid figcaption { display: flex; flex-direction: column; }
.certificate-grid figcaption span { color: var(--muted); font-size: 10px; }
.certificate-grid figcaption strong { font-size: 18px; }

.faq-section { background: white; }
.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(45px, 8vw, 100px); align-items: start; }
.faq-heading { position: sticky; top: 100px; }
.faq-heading > p:not(.kicker) { color: var(--muted); font-size: 13px; }
.faq-heading a { display: inline-block; margin-top: 17px; color: var(--copper-dark); font-size: 13px; font-weight: 750; border-bottom: 1px solid var(--copper); }
.faq-list { border-top: 1px solid var(--graphite); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 20px 42px 20px 0; font-size: 14px; font-weight: 750; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 17px; right: 3px; content: "+"; color: var(--copper-dark); font-size: 22px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 42px 19px 0; margin: -2px 0 0; color: var(--muted); font-size: 13px; }

.contact-section { padding-block: 64px; background: var(--copper-soft); border-top: 1px solid #ddbca9; }
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(45px, 8vw, 100px); align-items: center; }
.contact-grid > div:first-child > p:last-child { color: #5f5751; }
.contact-card { padding: 26px; background: white; border: 1px solid #d5aa91; box-shadow: 10px 10px 0 rgba(184, 100, 49, .14); }
.contact-card > div { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 0 14px; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.contact-card span { color: var(--muted); font-size: 11px; }
.contact-card strong, .contact-card > div a { font-size: 18px; font-weight: 800; }
.contact-card .button { width: 100%; }
.contact-link { display: block; margin-top: 10px; padding: 11px; text-align: center; color: var(--copper-dark); font-size: 13px; font-weight: 750; border: 1px solid #d7aa90; }

.site-footer { padding: 42px 0 17px; color: #b6bdba; background: #101716; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1.3fr 1fr .8fr; gap: 38px; }
.footer-grid img { width: 146px; height: auto; filter: brightness(0) invert(1); opacity: .9; }
.footer-grid strong { color: white; font-size: 12px; }
.footer-grid p { margin: 8px 0 0; font-size: 12px; }
.footer-grid a { color: #e19a70; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 16px; margin-top: 35px; font-size: 11px; border-top: 1px solid #35403d; }
.mobile-cta { display: none; }

@media (max-width: 1100px) {
  .site-nav { gap: 13px; }
  .nav-phone { display: none; }
  .hero-grid { grid-template-columns: 1fr 410px; gap: 40px; }
  .rail-grid { grid-template-columns: repeat(3, 1fr); }
  .rail-grid > div { border-bottom: 1px solid var(--line); }
  .project-gallery { grid-template-columns: repeat(3, 1fr); }
  .materials-grid { grid-template-columns: 1fr 1fr; }
  .materials-intro { grid-column: 1 / -1; }
  .certificate-grid figure { grid-template-columns: 100px 1fr; }
  .certificate-grid img { width: 100px; height: 142px; }
}

@media (max-width: 900px) {
  .site-header { height: 66px; }
  .nav-toggle { display: flex; width: 42px; height: 42px; padding: 10px; margin-left: auto; flex-direction: column; justify-content: center; gap: 5px; background: transparent; border: 1px solid var(--line); }
  .nav-toggle > span:not(.sr-only) { width: 100%; height: 2px; background: var(--graphite); }
  .site-nav { position: fixed; top: 66px; right: 0; bottom: 0; left: 0; display: none; padding: 25px 20px 110px; flex-direction: column; align-items: stretch; gap: 0; margin: 0; overflow-y: auto; background: white; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 15px 5px; font-size: 16px; border-bottom: 1px solid var(--line); }
  .hero::after { top: auto; bottom: 0; width: 100%; height: 36%; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding-block: 46px 52px; }
  .hero-visual { width: min(100%, 620px); }
  .challenge-grid { grid-template-columns: repeat(2, 1fr); }
  .control-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-list { grid-template-columns: repeat(2, 1fr); }
  .project-gallery { grid-template-columns: repeat(2, 1fr); }
  .evaluation-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
  .evaluation-text { padding-top: 22px; padding-left: 0; border-top: 1px solid #c89e85; border-left: 0; }
  .equipment-columns { grid-template-columns: 1fr; }
  .equipment-columns article { display: grid; grid-template-columns: 230px 1fr; column-gap: 22px; padding: 14px; }
  .equipment-columns figure { grid-row: 1 / span 4; margin: 0; }
  .equipment-columns img { height: 100%; min-height: 220px; }
  .column-code, .equipment-columns h3, .equipment-columns ul { margin-right: 0; margin-left: 0; }
  .quality-metrics { grid-template-columns: repeat(2, 1fr); }
  .certificate-grid { grid-template-columns: 1fr; }
  .certificate-grid figure { grid-template-columns: 130px 1fr; }
  .certificate-grid img { width: 130px; height: 172px; }
  .faq-heading { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .brand img { width: 132px; }
  [id] { scroll-margin-top: 70px; }
  .hero-grid { gap: 33px; padding-top: 38px; }
  .hero h1 { font-size: clamp(33px, 9.2vw, 45px); }
  .hero-intro { font-size: 14px; }
  .hero-actions, .hero-actions .button { width: 100%; }
  .positioning-line > * { flex: 1 1 auto; text-align: center; }
  .positioning-line > * + * { border-left: 1px solid #ccd1cb; }
  .hero-visual { grid-template-columns: minmax(0, 1.35fr) minmax(120px, .65fr); gap: 8px; }
  .hero-product img { height: 355px; }
  .hero-detail { border-width: 4px; }
  .hero-detail img { height: 137px; }
  .rail-grid { grid-template-columns: repeat(2, 1fr); }
  .rail-grid > div { min-height: 82px; }
  .section { padding-block: 52px; }
  .heading-split { grid-template-columns: 1fr; gap: 17px; }
  .challenge-grid { grid-template-columns: 1fr; }
  .challenge-grid article { min-height: 190px; }
  .challenge-grid h3 { margin-top: 25px; }
  .application-grid { grid-template-columns: 1fr; gap: 28px; }
  .application-label { min-height: 100px; }
  .control-grid { grid-template-columns: 1fr; }
  .control-card { min-height: 175px; }
  .workflow-heading { align-items: start; flex-direction: column; }
  .workflow-list { grid-template-columns: 1fr 1fr; }
  .workflow-list li { min-height: 100px; }
  .materials-grid { grid-template-columns: 1fr; }
  .materials-intro { grid-column: auto; }
  .equipment-columns article { display: block; padding: 0 0 20px; }
  .equipment-columns figure { margin-bottom: 18px; }
  .equipment-columns img { width: 100%; height: 225px; min-height: 0; }
  .column-code, .equipment-columns h3, .equipment-columns ul { margin-right: 19px; margin-left: 19px; }
  .quality-metrics { grid-template-columns: 1fr 1fr; }
  .quality-metrics > div { min-height: 135px; padding: 17px; }
  .quality-metrics strong { margin-top: 25px; }
  .contact-section { padding-block: 50px; }
  .footer-grid { grid-template-columns: 1fr; gap: 25px; }
  .footer-bottom { gap: 12px; flex-direction: column; }
  .mobile-cta { position: fixed; right: 0; bottom: 0; left: 0; z-index: 90; display: grid; grid-template-columns: 1fr 1fr; padding: 8px; background: white; border-top: 1px solid var(--line); box-shadow: 0 -8px 25px rgba(0, 0, 0, .1); }
  .mobile-cta a { display: grid; min-height: 44px; color: white; font-size: 13px; font-weight: 750; background: var(--graphite); place-items: center; }
  .mobile-cta a + a { background: var(--copper); }
  .site-footer { padding-bottom: 78px; }
}

@media (max-width: 480px) {
  .hero-visual { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; }
  .hero-product { grid-column: 1 / -1; grid-row: 1; }
  .hero-product img { height: 300px; }
  .hero-detail-mold { grid-column: 1; grid-row: 2; }
  .hero-detail-machine { grid-column: 2; grid-row: 2; }
  .hero-detail img { height: 145px; }
  .hero-product figcaption { padding: 9px 11px; }
  .rail-grid { grid-template-columns: 1fr 1fr; }
  .rail-grid strong { font-size: 16px; }
  .project-gallery { grid-template-columns: 1fr; }
  .gallery-card img { height: 280px; }
  .workflow-list { grid-template-columns: 1fr; }
  .quality-metrics { grid-template-columns: 1fr; }
  .certificate-grid figure { grid-template-columns: 100px 1fr; }
  .certificate-grid img { width: 100px; height: 140px; }
  .contact-card > div { align-items: flex-start; flex-direction: column; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}