:root {
  --navy-950: #071a2d;
  --navy-900: #0b243e;
  --navy-800: #103757;
  --blue-700: #0c5fad;
  --blue-600: #0877d1;
  --blue-500: #1194e8;
  --cyan-400: #46c9e8;
  --ink: #12253a;
  --muted: #5d6c7b;
  --line: #dbe5ee;
  --surface: #ffffff;
  --surface-tint: #f2f7fb;
  --green: #21b47e;
  --shadow-sm: 0 12px 35px rgba(10, 45, 76, .08);
  --shadow-lg: 0 28px 70px rgba(4, 25, 46, .22);
  --radius: 18px;
  --container: min(1240px, calc(100% - 40px));
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.container { width: 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: 1000; top: 10px; left: 10px; padding: 8px 14px; color: white; background: var(--blue-700); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: 76px;
  color: var(--ink);
  background: #ffffff;
  border-bottom: 1px solid rgba(219, 229, 238, .9);
}
.nav-shell { display: flex; align-items: center; height: 100%; gap: 30px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 158px; height: auto; }
.site-nav { display: flex; align-items: center; justify-content: center; gap: clamp(16px, 2vw, 30px); margin-left: auto; }
.site-nav a { position: relative; color: #334a61; font-size: 14px; font-weight: 650; white-space: nowrap; }
.site-nav a::after { position: absolute; right: 0; bottom: -8px; left: 0; height: 2px; content: ""; background: var(--blue-600); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); }
.nav-toggle { display: none; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 23px;
  color: white;
  font-weight: 750;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  border: 1px solid transparent;
  border-radius: 7px;
  box-shadow: 0 10px 24px rgba(8, 119, 209, .22);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(8, 119, 209, .3); }
.button svg { width: 19px; height: 19px; margin-right: 9px; stroke-width: 2; }
.button-small { min-height: 42px; padding-inline: 17px; font-size: 14px; }
.button-ghost { color: var(--blue-700); background: white; border-color: #b9d6ed; box-shadow: none; }
.button-light { color: var(--navy-900); background: white; box-shadow: none; }

.hero { position: relative; overflow: hidden; color: white; background: var(--navy-950); }
.hero::before { position: absolute; inset: 0; content: ""; background: radial-gradient(circle at 73% 28%, rgba(17, 148, 232, .25), transparent 30%), linear-gradient(115deg, rgba(7, 26, 45, .3), rgba(7, 26, 45, .9)); pointer-events: none; }
.hero::after { position: absolute; right: -80px; bottom: -120px; width: 480px; height: 480px; content: ""; border: 1px solid rgba(70, 201, 232, .14); border-radius: 50%; box-shadow: 0 0 0 70px rgba(70, 201, 232, .03), 0 0 0 140px rgba(70, 201, 232, .025); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(420px, .82fr); gap: clamp(38px, 5vw, 68px); align-items: center; min-height: 620px; padding-block: 56px 64px; }
.eyebrow, .kicker { margin: 0 0 13px; color: var(--blue-600); font-size: 13px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; color: #80dafa; }
.eyebrow span { width: 34px; height: 2px; margin-right: 12px; background: var(--cyan-400); }
.hero h1 { max-width: 780px; margin: 0; font-size: clamp(38px, 4.25vw, 64px); line-height: 1.15; letter-spacing: -.035em; }
.hero-intro { max-width: 760px; margin: 0; color: #c4d2df; font-size: 16px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 31px; }
.hero .button-ghost { color: white; background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .26); }
.hero-points { display: flex; flex-wrap: wrap; gap: 22px; padding: 0; margin: 27px 0 0; color: #aebfce; list-style: none; font-size: 13px; }
.hero-points li::before { display: inline-block; width: 6px; height: 6px; margin: 0 9px 2px 0; content: ""; background: var(--cyan-400); border-radius: 50%; box-shadow: 0 0 0 4px rgba(70, 201, 232, .12); }
.hero-media { position: relative; }
.hero-main-image { position: relative; overflow: hidden; margin: 0 0 14px; background: #102f49; border: 1px solid rgba(255, 255, 255, .13); border-radius: 20px; box-shadow: var(--shadow-lg); }
.hero-main-image img { width: 100%; aspect-ratio: 1.2; object-fit: cover; }
.hero-main-image::after { position: absolute; inset: 0; content: ""; background: linear-gradient(to top, rgba(4, 21, 37, .72), transparent 42%); pointer-events: none; }
.hero-main-image figcaption { position: absolute; z-index: 1; right: 20px; bottom: 18px; left: 20px; display: flex; align-items: center; color: white; font-size: 14px; font-weight: 700; }
.status-dot { width: 9px; height: 9px; margin-right: 9px; background: #35d69c; border: 2px solid rgba(255, 255, 255, .5); border-radius: 50%; box-shadow: 0 0 0 5px rgba(53, 214, 156, .14); }
.hero-thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hero-thumbs figure { position: relative; overflow: hidden; margin: 0; border: 1px solid rgba(255, 255, 255, .13); border-radius: 13px; }
.hero-thumbs img { width: 100%; aspect-ratio: 1.8; object-fit: cover; }
.hero-thumbs figcaption { position: absolute; right: 9px; bottom: 9px; padding: 4px 9px; color: white; font-size: 12px; font-weight: 700; background: rgba(7, 26, 45, .8); border-radius: 4px; }

.fact-strip { position: relative; z-index: 2; background: white; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.facts-grid { display: grid; grid-template-columns: .85fr .9fr .8fr 1.05fr 1.2fr 2fr; }
.facts-grid > div { display: flex; min-height: 90px; padding: 18px 20px; flex-direction: column; justify-content: center; border-right: 1px solid var(--line); }
.facts-grid > div:first-child { border-left: 1px solid var(--line); }
.facts-grid strong { color: var(--navy-900); font-size: clamp(20px, 1.9vw, 28px); line-height: 1.25; letter-spacing: -.02em; }
.facts-grid span { margin-top: 6px; color: var(--muted); font-size: 12px; }
.facts-grid .fact-cert strong { color: var(--blue-700); font-size: 15px; line-height: 1.5; }

.section { padding-block: 76px; }
.section-tint { background: var(--surface-tint); }
.section-dark { color: white; background: var(--navy-950); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 48px; align-items: end; margin-bottom: 34px; }
.section-heading h2, .company-copy h2, .evaluation-grid h2, .faq-intro h2, .contact-section h2, .editorial-panel h2 { margin: 0; color: var(--navy-900); font-size: clamp(30px, 3.2vw, 45px); line-height: 1.24; letter-spacing: -.025em; }
.section-heading > p, .faq-intro > p { margin: 0; color: var(--muted); }
.section-heading-light h2 { color: white; }
.section-heading-light > p { color: #aebfce; }
.section-heading-single { grid-template-columns: 1fr; }

.local-service { padding-block: 62px; }
.editorial-panel { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 30px; align-items: start; }
.section-index { color: #a7c3d9; font-size: 40px; font-weight: 300; line-height: 1; }
.editorial-panel h2 { margin-bottom: 20px; font-size: clamp(28px, 2.6vw, 39px); }
.editorial-content > p:not(.kicker) { max-width: 1000px; margin: 0; color: #42586d; font-size: 16px; line-height: 1.85; }
.service-highlights { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; max-width: 760px; padding: 0; margin: 25px 0 0; list-style: none; }
.service-highlights li { display: flex; min-height: 72px; padding: 12px 16px; flex-direction: column; justify-content: center; background: var(--surface-tint); border-left: 3px solid var(--blue-600); }
.service-highlights strong { color: var(--navy-900); font-size: 19px; line-height: 1.25; }
.service-highlights span { margin-top: 4px; color: var(--muted); font-size: 12px; }

.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.capability-card { min-height: 225px; padding: 25px; background: white; border: 1px solid #dfebf3; border-radius: var(--radius); box-shadow: 0 12px 32px rgba(12, 48, 78, .04); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.capability-card:hover { transform: translateY(-4px); border-color: #acd3ef; box-shadow: var(--shadow-sm); }
.card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.card-top span { color: #9db2c4; font-size: 13px; font-weight: 800; }
.card-top svg { width: 38px; height: 38px; padding: 8px; color: var(--blue-600); background: #eaf6fd; border-radius: 10px; }
.capability-card h3 { margin: 0 0 12px; color: var(--navy-900); font-size: 21px; }
.capability-card p { margin: 0; color: var(--muted); font-size: 14px; }

.company-grid { display: grid; grid-template-columns: minmax(360px, .85fr) minmax(0, 1.15fr); gap: clamp(45px, 7vw, 90px); align-items: center; }
.company-image { position: relative; margin: 0; }
.company-image::before { position: absolute; top: -18px; right: -18px; bottom: 70px; left: 18px; z-index: -1; content: ""; background: #e7f3fb; border-radius: var(--radius); }
.company-image img { width: 100%; aspect-ratio: 1.12; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.company-image figcaption { position: relative; width: calc(100% - 34px); padding: 20px 22px; margin: -45px auto 0; color: white; background: var(--navy-900); border-radius: 10px; box-shadow: var(--shadow-sm); }
.company-image figcaption strong, .company-image figcaption span { display: block; }
.company-image figcaption span { margin-top: 4px; color: #b6c7d5; font-size: 12px; }
.company-copy h2 { margin-bottom: 24px; }
.company-copy > p:not(.kicker) { color: #4b6074; }
.company-copy .positioning-note { padding: 13px 16px; color: var(--navy-900); background: #eaf5fc; border-left: 3px solid var(--blue-600); }
.positioning-note strong { color: var(--blue-700); }
.evaluation-tags span { padding: 6px 11px; color: var(--blue-700); font-size: 12px; font-weight: 700; background: #edf7fd; border: 1px solid #cce6f7; border-radius: 4px; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 19px; }
.product-card { overflow: hidden; margin: 0; background: #0e2a45; border: 1px solid rgba(255, 255, 255, .11); border-radius: 14px; }
.product-image { overflow: hidden; background: white; }
.product-image img { width: 100%; aspect-ratio: 1.2; object-fit: cover; transition: transform .35s ease; }
.product-card:hover img { transform: scale(1.035); }
.product-card figcaption { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px; }
.product-card strong { font-size: 15px; }
.product-card span { color: #83d7f2; font-size: 11px; font-weight: 800; letter-spacing: .08em; white-space: nowrap; }

.project-evaluation { padding-block: 62px; background: linear-gradient(110deg, #e9f6fd, #f8fbfd 55%, #edf6f8); }
.evaluation-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(50px, 8vw, 110px); align-items: start; }
.evaluation-copy { padding-left: 34px; border-left: 1px solid #b9d8ea; }
.evaluation-copy > p { margin-top: 0; color: #3e566b; font-size: 16px; line-height: 1.85; }
.evaluation-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }

.equipment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.equipment-panel { padding: 30px; background: white; border: 1px solid #dbe7ef; border-radius: var(--radius); box-shadow: 0 15px 45px rgba(10, 45, 76, .05); }
.panel-heading { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.panel-heading > span { display: grid; width: 46px; height: 46px; color: white; font-size: 13px; font-weight: 800; background: var(--blue-700); border-radius: 50%; place-items: center; }
.panel-heading p { margin: 0; color: var(--blue-600); font-size: 10px; font-weight: 800; letter-spacing: .15em; }
.panel-heading h3 { margin: 1px 0 0; color: var(--navy-900); font-size: 21px; }
.equipment-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; overflow: hidden; margin-bottom: 22px; border-radius: 11px; }
.equipment-gallery-three { grid-template-columns: 1.25fr .75fr; }
.equipment-gallery figure { position: relative; overflow: hidden; margin: 0; background: #e8eef3; }
.equipment-gallery img { width: 100%; height: 151px; object-fit: cover; }
.equipment-gallery-three figure:first-child { grid-row: span 2; }
.equipment-gallery-three figure:first-child img { height: 310px; }
.equipment-gallery-three figure:not(:first-child) img { height: 151px; }
.equipment-gallery figcaption { position: absolute; right: 7px; bottom: 7px; left: 7px; padding: 5px 7px; color: white; font-size: 11px; font-weight: 700; line-height: 1.35; background: rgba(7, 26, 45, .82); border-radius: 4px; }
.equipment-list { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 18px; padding: 0; margin: 0; list-style: none; }
.equipment-list li { color: #41576b; font-size: 13px; }
.equipment-list li::before { display: inline-block; width: 5px; height: 5px; margin: 0 9px 2px 0; content: ""; background: var(--blue-500); border-radius: 50%; }

.quality-grid { display: grid; grid-template-columns: 1.3fr .85fr .85fr .9fr; gap: 15px; }
.quality-card { min-width: 0; min-height: 220px; padding: 24px; overflow-wrap: anywhere; background: #f7fafc; border: 1px solid var(--line); border-radius: 14px; }
.quality-card > span { display: block; margin-bottom: 30px; color: var(--blue-700); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.quality-card > strong { display: block; color: var(--navy-900); font-size: clamp(28px, 2.4vw, 38px); line-height: 1.35; letter-spacing: -.03em; }
.quality-card small { font-size: 14px; font-weight: 650; letter-spacing: 0; }
.quality-card p { margin: 22px 0 0; color: var(--muted); font-size: 12px; }
.precision-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.precision-pair > div { padding-right: 12px; }
.precision-pair > div + div { padding-left: 16px; border-left: 1px solid var(--line); }
.precision-pair strong, .precision-pair small { display: block; }
.precision-pair strong { color: var(--navy-900); font-size: 29px; }
.precision-pair small { color: var(--muted); }
.quality-card-system { color: white; background: var(--navy-900); border-color: var(--navy-900); }
.quality-card-system > span { color: #76d4f0; }
.quality-card-system > strong { color: white; font-size: 21px; line-height: 1.75; }
.certificate-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; margin-top: 25px; }
.certificate-row figure { display: flex; align-items: center; gap: 18px; min-height: 198px; padding: 14px 16px; margin: 0; background: white; border: 1px solid var(--line); border-radius: 11px; }
.certificate-row img { width: 120px; height: 168px; flex: 0 0 auto; object-fit: contain; object-position: top; background: white; border: 1px solid #d9dfe5; }
.certificate-row figcaption { color: var(--navy-900); font-size: 14px; font-weight: 800; }

.process-section { padding-block: 58px; }
.process-heading { grid-template-columns: 1fr; margin-bottom: 26px; }
.process-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; padding: 1px; margin: 0; list-style: none; background: rgba(255, 255, 255, .13); }
.process-list li { min-height: 112px; padding: 16px 17px; background: var(--navy-950); }
.process-list li:last-child { border-right: 1px solid rgba(255, 255, 255, .12); }
.process-list span { color: #63c9eb; font-size: 12px; font-weight: 800; }
.process-list strong { display: block; margin-top: 10px; font-size: 15px; line-height: 1.4; }
.process-list small { display: block; margin-top: 4px; color: #aebfce; font-size: 12px; line-height: 1.45; }

.faq-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: clamp(50px, 8vw, 100px); align-items: start; }
.faq-intro { position: sticky; top: 110px; }
.faq-intro h2 { margin-bottom: 21px; }
.text-link { display: inline-block; margin-top: 25px; color: var(--blue-700); font-weight: 750; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 22px 46px 22px 0; color: var(--navy-900); font-weight: 750; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 19px; right: 4px; display: grid; width: 30px; height: 30px; content: "+"; color: var(--blue-700); font-size: 23px; font-weight: 400; background: #edf6fc; border-radius: 50%; place-items: center; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 50px 22px 0; margin: -3px 0 0; color: var(--muted); }

.contact-section { position: relative; overflow: hidden; padding-block: 70px; color: white; background: linear-gradient(125deg, #0a4f8a, #0877d1 58%, #089fc5); }
.contact-section::after { position: absolute; top: -160px; right: -80px; width: 500px; height: 500px; content: ""; border: 1px solid rgba(255, 255, 255, .13); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255, 255, 255, .035), 0 0 0 140px rgba(255, 255, 255, .025); }
.contact-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(55px, 8vw, 100px); align-items: center; }
.contact-section .kicker { color: #a6e7fa; }
.contact-section h2 { color: white; }
.contact-section p { max-width: 700px; color: #d9eef8; }
.contact-card { padding: 30px; color: var(--ink); background: rgba(255, 255, 255, .98); border: 1px solid rgba(255, 255, 255, .4); border-radius: 16px; box-shadow: var(--shadow-lg); }
.contact-card > div { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 17px; margin-bottom: 17px; border-bottom: 1px solid var(--line); }
.contact-card span { color: var(--muted); font-size: 13px; }
.contact-card strong, .contact-card > div a { color: var(--navy-900); font-size: 20px; font-weight: 800; }
.contact-card .button { width: 100%; margin-top: 10px; }
.contact-card .button-light { color: var(--blue-700); background: #eef7fd; border-color: #c8e4f5; }

.site-footer { padding: 48px 0 20px; color: #aebfce; background: #061523; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1.25fr .85fr 1fr; gap: 42px; }
.footer-grid img { width: 155px; height: auto; margin-bottom: 19px; filter: brightness(0) invert(1); opacity: .9; }
.footer-grid strong { color: white; font-size: 13px; }
.footer-grid p { margin: 10px 0 0; font-size: 13px; }
.footer-grid a { color: #7fd9f3; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; margin-top: 45px; font-size: 12px; border-top: 1px solid rgba(255, 255, 255, .1); }
.mobile-cta { display: none; }

@media (max-width: 1120px) {
  .site-nav { gap: 15px; }
  .site-nav a { font-size: 13px; }
  .nav-phone { display: none; }
  .hero-grid { grid-template-columns: 1.05fr .95fr; }
  .facts-grid { grid-template-columns: repeat(3, 1fr); }
  .facts-grid > div { min-height: 90px; border-bottom: 1px solid var(--line); }
  .facts-grid .fact-cert { grid-column: span 1; }
  .quality-grid { grid-template-columns: 1fr 1fr; }
  .process-list { grid-template-columns: repeat(5, 1fr); }
  .process-list li { border: 0; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2; }
}

@media (max-width: 900px) {
  :root { --container: min(100% - 32px, 760px); }
  .site-header { height: 68px; }
  .nav-shell { justify-content: space-between; }
  .nav-toggle { position: relative; z-index: 2; display: grid; width: 43px; height: 43px; padding: 9px; background: transparent; border: 1px solid var(--line); border-radius: 7px; place-content: center; gap: 5px; }
  .nav-toggle span:not(.sr-only) { display: block; width: 21px; height: 2px; background: var(--navy-900); transition: transform .2s ease, opacity .2s ease; }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { display: grid; grid-template-columns: 1fr 1fr; width: 100%; gap: 0; padding: 18px 16px 22px; margin: 0; background: white; border-top: 1px solid var(--line); }
  .site-nav a { padding: 13px 10px; border-bottom: 1px solid #eef3f7; }
  .js .site-nav { position: fixed; top: 68px; right: 0; left: 0; visibility: hidden; opacity: 0; transform: translateY(-10px); transition: opacity .2s ease, transform .2s ease, visibility .2s; }
  .js .site-nav.is-open { visibility: visible; opacity: 1; transform: translateY(0); box-shadow: 0 22px 40px rgba(5, 27, 48, .13); }
  .hero-grid { grid-template-columns: 1fr; min-height: 0; padding-block: 54px 58px; }
  .hero-copy { max-width: 720px; }
  .hero-media { max-width: 680px; }
  .section { padding-block: 66px; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .editorial-panel { grid-template-columns: 55px 1fr; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .company-grid, .evaluation-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
  .company-image { max-width: 650px; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .evaluation-copy { padding: 0; border: 0; }
  .equipment-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: repeat(3, 1fr); }
  .faq-intro { position: static; }
  .certificate-row { grid-template-columns: 1fr 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: auto; }
}

@media (max-width: 620px) {
  :root { --container: calc(100% - 28px); --radius: 14px; }
  html { scroll-padding-top: 72px; }
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); font-size: 15px; }
  .brand img { width: 132px; }
  .site-nav { grid-template-columns: 1fr; max-height: calc(100dvh - 68px); overflow: auto; }
  .hero-grid { gap: 34px; padding-block: 42px 48px; }
  .hero h1 { font-size: clamp(34px, 10vw, 46px); }
  .hero-intro { font-size: 14px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  .hero-points { gap: 12px 18px; }
  .hero-main-image img { aspect-ratio: .94; }
  .hero-thumbs { gap: 8px; }
  .hero-thumbs img { aspect-ratio: 1.35; }
  .facts-grid { grid-template-columns: 1fr 1fr; }
  .facts-grid > div { padding: 20px 16px; }
  .facts-grid .fact-cert { grid-column: span 2; }
  .section { padding-block: 52px; }
  .local-service, .project-evaluation { padding-block: 48px; }
  .process-section { padding-block: 46px; }
  .section-heading { margin-bottom: 26px; }
  .section-heading h2, .company-copy h2, .evaluation-grid h2, .faq-intro h2, .contact-section h2, .editorial-panel h2 { font-size: 30px; }
  .editorial-panel { grid-template-columns: 1fr; gap: 20px; }
  .section-index { font-size: 30px; }
  .service-highlights { gap: 6px; }
  .service-highlights li { min-height: 68px; padding: 10px 8px; }
  .service-highlights strong { font-size: 17px; }
  .capability-grid, .product-grid, .quality-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 0; }
  .company-grid { gap: 38px; }
  .company-image::before { right: -8px; left: 8px; }
  .product-image img { aspect-ratio: 1.1; }
  .equipment-panel { padding: 20px; }
  .equipment-gallery img { height: 125px; }
  .equipment-gallery-three figure:first-child img { height: 258px; }
  .equipment-gallery-three figure:not(:first-child) img { height: 125px; }
  .equipment-list { grid-template-columns: 1fr; }
  .certificate-row { grid-template-columns: 1fr; }
  .quality-card { min-height: 0; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .process-list li { min-height: 104px; }
  .faq-list summary { padding-right: 42px; }
  .faq-list details p { padding-right: 0; }
  .contact-section { padding-block: 56px; }
  .contact-card { padding: 23px; }
  .contact-card > div { align-items: flex-start; flex-direction: column; gap: 3px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 4px; }
  .mobile-cta { position: fixed; z-index: 120; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: 1fr 1fr; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); gap: 8px; background: rgba(255, 255, 255, .97); border-top: 1px solid var(--line); box-shadow: 0 -10px 28px rgba(7, 26, 45, .12); }
  .mobile-cta a { display: grid; min-height: 48px; color: white; font-weight: 800; background: var(--blue-700); border-radius: 7px; place-items: center; }
  .mobile-cta a:last-child { color: var(--blue-700); background: #eaf5fc; border: 1px solid #bedef2; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}