:root {
  --ink: #192329;
  --muted: #66747b;
  --line: #dfe6e8;
  --paper: #f5f7f5;
  --white: #ffffff;
  --orange: #ee6b32;
  --orange-dark: #c74d1e;
  --blue: #237a89;
  --blue-dark: #113f4a;
  --radius: 6px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.6; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { position: fixed; z-index: 20; top: 0; left: 0; right: 0; color: var(--white); transition: background .25s ease, color .25s ease, box-shadow .25s ease; }
.site-header.is-scrolled { color: var(--ink); background: rgba(255,255,255,.96); box-shadow: 0 1px 0 rgba(25,35,41,.1); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 190px; }
.brand-logo { display: block; flex: 0 0 42px; width: 42px; height: 42px; padding: 3px; border-radius: 3px; object-fit: cover; background: var(--white); }
.brand strong, .brand small { display: block; line-height: 1.1; }
.brand strong { font-size: 17px; letter-spacing: .02em; }
.brand small { margin-top: 4px; color: currentColor; opacity: .68; font-size: 8px; letter-spacing: .14em; }
.site-nav { display: flex; align-items: center; gap: 20px; font-size: 14px; }
.site-nav a { position: relative; padding: 9px 0; opacity: .82; }
.site-nav a:hover, .site-nav a.active { opacity: 1; }
.site-nav a.active::after { position: absolute; content: ""; right: 0; bottom: 0; left: 0; height: 2px; background: var(--orange); }
.site-nav .nav-contact { padding: 10px 14px; color: var(--white); background: var(--orange); opacity: 1; }
.site-header.is-scrolled .nav-contact { color: var(--white); }
.menu-toggle { display: none; border: 0; background: transparent; color: currentColor; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px 0; background: currentColor; }

.hero { position: relative; min-height: 720px; display: flex; align-items: center; overflow: hidden; color: var(--white); background: var(--blue-dark); }
.hero-slides { position: absolute; inset: 0; background: var(--blue-dark); }
.hero-slide { position: absolute; inset: 0; visibility: hidden; opacity: 0; transition: opacity .7s ease, visibility .7s ease; }
.hero-slide.is-active { visibility: visible; opacity: 1; }
.hero-slide picture { display: block; width: 100%; height: 100%; }
.hero-slide img { object-fit: cover; }
.hero-content { position: relative; z-index: 1; padding-top: 85px; }
.eyebrow { margin: 0 0 18px; color: var(--orange); font-size: 11px; font-weight: 700; letter-spacing: .18em; }
.hero .eyebrow { color: #ff9a68; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { margin-bottom: 22px; font-weight: 700; letter-spacing: 0; line-height: 1.12; }
h1 { max-width: 690px; font-size: clamp(42px, 6vw, 78px); }
h1 em { color: #ff9a68; font-style: normal; }
.hero-copy { max-width: 555px; color: rgba(255,255,255,.78); font-size: 17px; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 10px; padding: 0 20px; border: 1px solid transparent; border-radius: var(--radius); cursor: pointer; font-size: 14px; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--orange); }
.button-primary:hover { background: var(--orange-dark); }
.button-quiet { color: var(--white); border-color: rgba(255,255,255,.45); }
.button-quiet:hover { background: rgba(255,255,255,.12); }
.button-dark { color: var(--white); background: var(--blue-dark); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 25px; margin-top: 76px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.28); color: rgba(255,255,255,.72); font-size: 12px; }
.hero-meta strong { margin-right: 8px; color: var(--white); }
.hero-controls { position: absolute; z-index: 3; right: 24px; bottom: 28px; display: flex; align-items: center; gap: 10px; }
.carousel-arrow, .carousel-dot { display: grid; place-items: center; border: 1px solid rgba(255,255,255,.5); color: var(--white); background: rgba(9,48,59,.38); cursor: pointer; }
.carousel-arrow { width: 38px; height: 38px; border-radius: 3px; font-size: 18px; }
.carousel-arrow:hover, .carousel-dot:hover { background: var(--orange); }
.carousel-dots { display: flex; align-items: center; gap: 6px; }
.carousel-dot { width: 22px; height: 4px; padding: 0; border: 0; border-radius: 0; }
.carousel-dot.is-active { background: var(--orange); }

.trust-strip { color: var(--white); background: var(--orange); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid > div { display: flex; min-height: 108px; flex-direction: column; justify-content: center; padding-left: 28px; border-left: 1px solid rgba(255,255,255,.3); }
.trust-grid > div:first-child { padding-left: 0; border-left: 0; }
.trust-grid strong { font-size: 30px; line-height: 1; }
.trust-grid span { margin-top: 8px; color: rgba(255,255,255,.82); font-size: 12px; }
.benefit-strip { color: var(--ink); border-bottom: 1px solid var(--line); background: var(--white); }
.benefit-grid { display: flex; min-height: 62px; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 13px; }
.benefit-grid span::before { content: "✓"; margin-right: 9px; color: var(--orange); font-weight: 700; }

.section { padding: 112px 0; }
.services { background: var(--paper); }
.section-heading { margin-bottom: 52px; }
.split-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.split-heading h2 { max-width: 560px; margin-bottom: 0; font-size: clamp(32px, 4vw, 52px); }
.split-heading > p { max-width: 390px; margin-bottom: 3px; color: var(--muted); font-size: 15px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { min-height: 302px; padding: 30px; border: 1px solid var(--line); border-top: 4px solid var(--blue); background: var(--white); }
.service-card-featured { border-top-color: var(--orange); }
.service-number { margin-bottom: 52px; color: var(--orange); font-size: 13px; font-weight: 700; }
.service-card h3 { margin-bottom: 12px; font-size: 24px; }
.service-card p { min-height: 72px; margin-bottom: 22px; color: var(--muted); font-size: 14px; }
.text-link, .outline-link { display: inline-flex; align-items: center; gap: 10px; color: var(--blue); font-size: 13px; font-weight: 700; }
.text-link:hover, .outline-link:hover { color: var(--orange-dark); }
.outline-link { padding: 12px 0; border-bottom: 1px solid currentColor; }
.category-row { display: flex; flex-wrap: wrap; gap: 10px; margin: -18px 0 28px; }
.category-row button { padding: 8px 15px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--paper); font: inherit; font-size: 12px; cursor: pointer; }
.category-row .category-active { color: var(--white); border-color: var(--blue); background: var(--blue); }

.products { background: var(--white); }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.product-card { overflow: hidden; border: 1px solid var(--line); background: var(--white); }
.product-image { height: 220px; background: #dce8e9; }
.product-image-tall { height: 220px; }
.product-info { padding: 24px; }
.product-tag { color: var(--orange-dark); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.product-info h3 { margin: 9px 0 9px; font-size: 22px; }
.product-info p { min-height: 70px; margin-bottom: 20px; color: var(--muted); font-size: 14px; }

.about-band { padding: 100px 0; color: var(--white); background: var(--blue-dark); }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.about-copy h2 { margin-bottom: 25px; font-size: clamp(36px, 4vw, 56px); }
.about-copy > p:not(.eyebrow) { max-width: 530px; color: rgba(255,255,255,.73); font-size: 15px; }
.about-side { display: grid; gap: 18px; }
.about-side > img { height: 300px; }
.about-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.about-facts span { display: grid; gap: 4px; padding: 17px 10px; border: 1px solid rgba(255,255,255,.24); color: rgba(255,255,255,.68); font-size: 11px; }
.about-facts strong { color: var(--white); font-size: 20px; }

.cases { background: #e9f0ef; }
.case-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .88fr); gap: 80px; align-items: center; }
.case-image { min-height: 520px; background: var(--blue-dark); }
.case-copy h2 { margin-bottom: 8px; font-size: clamp(38px, 5vw, 64px); }
.case-copy .lead { margin-bottom: 25px; color: var(--blue); font-size: 20px; font-weight: 700; }
.case-copy > p:not(.eyebrow):not(.lead) { max-width: 500px; color: var(--muted); }
.check-list { display: grid; gap: 11px; margin: 28px 0 32px; padding: 0; list-style: none; color: var(--ink); font-size: 14px; }
.check-list li::before { content: "✓"; display: inline-block; width: 25px; color: var(--orange); font-weight: 700; }
.solution-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 29px; }
.solution-tags span { padding: 7px 10px; border: 1px solid rgba(35,122,137,.28); color: var(--blue); font-size: 12px; }

.news { background: var(--paper); }
.news-list { border-top: 1px solid var(--line); }
.news-item { display: grid; grid-template-columns: 90px 120px 1fr 26px; align-items: center; gap: 20px; min-height: 110px; border-bottom: 1px solid var(--line); }
.news-item img { grid-column: 1; width: 90px; height: 68px; }
.news-item time { grid-column: 2; color: var(--muted); font-size: 12px; }
.news-item h3 { grid-column: 3; margin: 0; font-size: 18px; font-weight: 600; }
.news-item > span { grid-column: 4; color: var(--orange); font-size: 20px; }
.news-item:hover h3 { color: var(--blue); }

.contact-band { padding: 86px 0; color: var(--white); background: var(--blue-dark); }
.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: start; }
.contact-band h2 { max-width: 500px; font-size: clamp(34px, 4vw, 52px); }
.contact-band > .container > div > p:not(.eyebrow) { max-width: 420px; color: rgba(255,255,255,.7); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: grid; gap: 8px; color: rgba(255,255,255,.78); font-size: 12px; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid rgba(255,255,255,.3); border-radius: 3px; outline: 0; padding: 12px 13px; color: var(--white); background: rgba(255,255,255,.08); }
.contact-form textarea { resize: vertical; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,.42); }
.contact-form input:focus, .contact-form textarea:focus { border-color: #ff9a68; }
.form-full { grid-column: 1 / -1; }
.form-consent { display: flex !important; grid-template-columns: none !important; align-items: center; gap: 8px !important; }
.form-consent input { width: 16px; height: 16px; accent-color: var(--orange); }
.form-consent a { color: #ffbd9b; text-decoration: underline; }
.contact-form .button { justify-self: start; }
.form-status { min-height: 24px; margin: 11px 0 0; color: #ffbd9b; font-size: 12px; }

.site-footer { color: rgba(255,255,255,.7); background: #0e2d35; }
.footer-top { display: flex; justify-content: space-between; gap: 30px; padding: 42px 0 34px; }
.brand-footer { color: var(--white); }
.footer-contact { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 22px; font-size: 12px; }
.footer-contact a:hover { color: #ff9a68; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 16px 0 23px; border-top: 1px solid rgba(255,255,255,.14); font-size: 11px; }
.footer-bottom a { color: rgba(255,255,255,.7); }
.footer-bottom a:hover { color: #ff9a68; }
.noscript-notice { position: fixed; z-index: 30; right: 0; bottom: 0; left: 0; padding: 12px 18px; color: var(--white); background: var(--blue-dark); text-align: center; font-size: 13px; }

@media (max-width: 860px) {
  .container { width: min(calc(100% - 36px), var(--container)); }
  .site-nav { position: fixed; top: 82px; right: 0; left: 0; display: grid; gap: 0; padding: 10px 18px 20px; color: var(--ink); background: var(--white); box-shadow: 0 10px 25px rgba(25,35,41,.12); transform: translateY(-130%); transition: transform .25s ease; }
  .site-nav.is-open { transform: translateY(0); }
  .site-nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); }
  .site-nav a.active::after { right: auto; left: 8px; width: 30px; }
  .site-nav .nav-contact { margin-top: 10px; color: var(--white); text-align: center; border: 0; }
  .menu-toggle { display: block; }
  .service-grid, .product-grid { grid-template-columns: 1fr 1fr; }
  .case-layout, .contact-layout, .about-layout { grid-template-columns: 1fr; gap: 44px; }
  .case-image { min-height: 400px; }
  .contact-layout { gap: 25px; }
  .footer-top { align-items: flex-start; flex-direction: column; }
  .footer-contact { justify-content: flex-start; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { min-height: 70px; }
  .site-nav { top: 70px; }
  .hero { min-height: 720px; }
  .hero-content { padding-top: 78px; }
  .hero-copy { font-size: 15px; }
  .hero-meta { display: grid; gap: 9px; margin-top: 52px; }
  .hero-controls { right: 14px; bottom: 19px; }
  .carousel-arrow { width: 34px; height: 34px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid > div, .trust-grid > div:first-child { min-height: 91px; padding-left: 16px; border-left: 1px solid rgba(255,255,255,.3); }
  .trust-grid > div:nth-child(odd) { padding-left: 0; border-left: 0; }
  .benefit-grid { display: grid; grid-template-columns: 1fr; justify-content: start; gap: 8px; padding: 18px 0; }
  .section { padding: 74px 0; }
  .split-heading { display: block; }
  .split-heading > p, .split-heading .outline-link { margin-top: 22px; }
  .section-heading { margin-bottom: 32px; }
  .service-grid, .product-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; }
  .service-number { margin-bottom: 28px; }
  .service-card p, .product-info p { min-height: 0; }
  .case-image { min-height: 300px; }
  .about-band { padding: 74px 0; }
  .about-side > img { height: 240px; }
  .about-facts { grid-template-columns: 1fr 1fr 1fr; }
  .news-item { grid-template-columns: 72px 1fr 20px; gap: 12px; padding: 18px 0; }
  .news-item img { width: 72px; height: 58px; grid-column: 1; grid-row: 1 / span 2; }
  .news-item time { grid-column: 2; grid-row: 1; }
  .news-item h3 { grid-column: 2; grid-row: 2; }
  .news-item > span { grid-column: 3; grid-row: 1 / span 2; }
  .news-item h3 { font-size: 16px; }
  .contact-form { grid-template-columns: 1fr; }
  .form-full { grid-column: auto; }
  .footer-bottom { display: grid; gap: 6px; }
}

.mobile-home { display: none; }

@media (max-width: 860px) {
  body.home-page { padding-bottom: 58px; }
  body.home-page > .site-header, body.home-page > .desktop-footer, body.home-page > #top { display: none; }
  .mobile-home { display: block; min-height: 100vh; overflow: hidden; color: #3f3f3f; background: #fff; }
  .mobile-topline { position: relative; z-index: 12; min-height: 47px; display: flex; align-items: center; justify-content: center; padding: 8px 42px 8px 14px; border-bottom: 1px solid #e6e6e6; background: #fff; text-align: center; }
  .mobile-topline strong { color: #111; font-size: 16px; line-height: 1.4; }
  .mobile-menu-button { position: absolute; top: 3px; right: 1px; width: 42px; height: 42px; display: grid; place-content: center; gap: 4px; padding: 8px; border: 0; background: transparent; cursor: pointer; }
  .mobile-menu-button span { display: block; width: 24px; height: 2px; background: #222; }
  .mobile-drawer { position: absolute; top: 46px; right: 0; display: grid; width: 178px; padding: 8px 14px; border: 1px solid #e7e7e7; background: #fff; box-shadow: 0 8px 20px rgba(0,0,0,.14); transform: translateY(-120%); transition: transform .2s ease; }
  .mobile-drawer.is-open { transform: translateY(0); }
  .mobile-drawer a { padding: 10px 5px; border-bottom: 1px solid #eee; color: #333; font-size: 14px; }
  .mobile-drawer a:last-child { border-bottom: 0; }
  .mobile-hero { position: relative; width: 100%; overflow: hidden; aspect-ratio: 720 / 497; background: #eff4f4; }
  .mobile-hero-slide { position: absolute; inset: 0; visibility: hidden; opacity: 0; transition: opacity .35s ease, visibility .35s ease; }
  .mobile-hero-slide.is-active { visibility: visible; opacity: 1; }
  .mobile-hero-slide a, .mobile-hero-slide img { display: block; width: 100%; height: 100%; }
  .mobile-hero-slide img { object-fit: cover; }
  .mobile-hero-dots { position: absolute; z-index: 2; right: 0; bottom: 9px; left: 0; display: flex; justify-content: center; gap: 5px; }
  .mobile-hero-dots button { width: 8px; height: 8px; padding: 0; border: 1px solid #fff; border-radius: 50%; background: rgba(0,0,0,.18); }
  .mobile-hero-dots button.is-active { background: #f2b400; }
  .mobile-search { padding: 10px 14px; background: #f7f7f7; }
  .mobile-search input { width: 100%; height: 35px; padding: 0 12px; border: 1px solid #ddd; border-radius: 2px; outline: 0; color: #333; background: #fff; font-size: 13px; }
  .mobile-shortcuts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px 4px; padding: 17px 10px 19px; border-bottom: 1px solid #eee; background: #fff; }
  .mobile-shortcuts a { display: grid; justify-items: center; gap: 5px; color: #555; font-size: 12px; line-height: 1.2; }
  .mobile-shortcuts img { width: 49px; height: 49px; object-fit: contain; }
  .mobile-value { padding: 18px 18px; text-align: center; background: #fff; }
  .mobile-value p { margin: 0; color: #111; font-size: 16px; font-weight: 700; line-height: 1.5; }
  .mobile-module { padding: 18px 14px 20px; background: #fff; }
  .mobile-section-title { position: relative; display: flex; align-items: baseline; justify-content: center; gap: 4px; margin-bottom: 15px; color: #111; font-size: 20px; line-height: 1.3; }
  .mobile-section-title em { color: #f3c000; font-style: normal; }
  .mobile-section-title a { position: absolute; right: 0; bottom: 1px; color: #888; font-size: 12px; font-weight: 400; }
  .mobile-about { padding-top: 20px; background: #f7f7f7; }
  .mobile-about .mobile-section-title { justify-content: flex-start; margin-bottom: 12px; font-size: 18px; }
  .mobile-about-copy { padding: 0 2px; }
  .mobile-about-copy p { margin: 0 0 8px; color: #3f3f3f; font-size: 14px; line-height: 1.75; text-indent: 2em; }
  .mobile-product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .mobile-product-card { min-width: 0; overflow: hidden; border: 1px solid #eee; background: #fff; }
  .mobile-product-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: #f4f6f6; }
  .mobile-product-card span, .mobile-product-card small { display: block; overflow: hidden; padding: 7px 8px 0; white-space: nowrap; text-overflow: ellipsis; }
  .mobile-product-card span { color: #222; font-size: 13px; }
  .mobile-product-card small { padding-top: 2px; padding-bottom: 8px; color: #999; font-size: 11px; }
  .mobile-more { display: block; width: 100px; margin: 19px auto 0; padding: 7px 0; border: 1px solid #333; color: #333; text-align: center; font-size: 12px; }
  .mobile-solutions { background: #f7f7f7; }
  .mobile-solution-image { display: block; margin: 0 -14px; }
  .mobile-solution-image img { width: 100%; height: auto; }
  .mobile-solution-copy { padding: 15px 2px 18px; }
  .mobile-solution-copy h2 { margin: 0 0 8px; color: #111; font-size: 18px; line-height: 1.35; }
  .mobile-solution-copy p { margin: 0; color: #444; font-size: 14px; line-height: 1.75; }
  .mobile-news-list { display: grid; gap: 0; border-top: 1px solid #eee; }
  .mobile-news-row { display: grid; grid-template-columns: 82px minmax(0, 1fr); gap: 11px; padding: 12px 0; border-bottom: 1px solid #eee; }
  .mobile-news-row > img { width: 82px; height: 82px; object-fit: cover; }
  .mobile-news-row > span { display: grid; min-width: 0; align-content: start; gap: 4px; }
  .mobile-news-row b { display: -webkit-box; overflow: hidden; color: #222; font-size: 14px; line-height: 1.4; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .mobile-news-row small { display: -webkit-box; overflow: hidden; color: #888; font-size: 11px; line-height: 1.4; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .mobile-news-row em { color: #f0ae00; font-size: 11px; font-style: normal; }
  .mobile-tool-menu { position: fixed; z-index: 30; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(4, 1fr); height: 56px; border-top: 1px solid #ddd; background: rgba(255,255,255,.98); }
  .mobile-tool-menu a { display: grid; place-content: center; justify-items: center; gap: 2px; color: #777; font-size: 10px; }
  .mobile-tool-menu img { width: 22px; height: 22px; object-fit: contain; }
  .mobile-tool-menu strong { font-size: 10px; font-weight: 400; }
}