:root {
  --paper: #e7e4dd;
  --paper-2: #f4f1eb;
  --ink: #111416;
  --ink-2: #23282c;
  --blue: #164c8c;
  --orange: #e65e2b;
  --orange-dark: #a8320d;
  --green: #a7d63b;
  --line: rgba(17, 20, 22, .22);
  --line-light: rgba(255, 255, 255, .25);
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.6; }
body { overflow-x: clip; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .035; z-index: 20; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E"); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.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; left: 20px; top: 10px; z-index: 100; padding: 10px 16px; background: white; color: black; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 50; height: 76px; display: flex; align-items: stretch; justify-content: space-between; color: #fff; background: rgba(17,20,22,.96); border-bottom: 1px solid var(--line-light); backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: 12px; padding: 0 30px; min-width: 340px; border-right: 1px solid var(--line-light); }
.brand-mark { width: 44px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linejoin: round; }
.brand span { display: grid; line-height: 1.15; }
.brand strong { font-size: 15px; letter-spacing: .02em; }
.brand small { margin-top: 5px; color: rgba(255,255,255,.55); font-size: 9px; letter-spacing: .22em; text-transform: uppercase; }
.site-nav { display: flex; align-items: stretch; }
.site-nav a { display: grid; place-items: center; min-width: 112px; padding: 0 20px; border-left: 1px solid var(--line-light); font-size: 12px; font-weight: 700; letter-spacing: .08em; transition: background .25s, color .25s; }
.site-nav a:hover { background: rgba(255,255,255,.1); }
.site-nav .nav-cta { color: #fff; background: var(--blue); }
.site-nav .nav-cta:hover { background: var(--orange); }
.menu-button { display: none; }

.hero { min-height: calc(100vh - 76px); position: relative; display: grid; overflow: hidden; color: white; background: #0d1114; }
.hero > img, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero > img { object-position: center; }
.hero-shade { background: linear-gradient(90deg, rgba(7,11,14,.95) 0%, rgba(7,11,14,.7) 38%, rgba(7,11,14,.18) 68%, rgba(7,11,14,.45) 100%); }
.hero-grid { position: relative; z-index: 1; width: min(100%, var(--max)); min-height: calc(100vh - 76px); margin: auto; display: grid; grid-template-columns: 92px minmax(0, 1fr) 260px; border-left: 1px solid var(--line-light); border-right: 1px solid var(--line-light); }
.rail-label, .section-rail { margin: 0; padding: 44px 18px; display: flex; flex-direction: column; align-items: center; gap: 18px; border-right: 1px solid var(--line-light); }
.rail-label b, .section-rail b { color: var(--orange); font: 700 14px/1 ui-monospace, monospace; }
.rail-label span, .section-rail span { writing-mode: vertical-rl; font: 700 9px/1 ui-monospace, monospace; letter-spacing: .28em; color: rgba(255,255,255,.65); }
.hero-copy { align-self: end; padding: 70px clamp(30px, 6vw, 92px) 88px; }
.eyebrow { margin: 0 0 26px; color: rgba(255,255,255,.76); font: 700 10px/1.2 ui-monospace, monospace; letter-spacing: .28em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: 34px; height: 2px; margin-right: 12px; vertical-align: middle; background: var(--orange); }
.eyebrow.dark { color: rgba(17,20,22,.74); }
.hero h1 { margin: 0; font-size: clamp(72px, 9vw, 154px); line-height: .82; letter-spacing: -.08em; font-weight: 900; }
.hero h1 em, h2 em { color: var(--blue); font-style: normal; }
.hero h1 em { color: #fff; -webkit-text-stroke: 1px rgba(255,255,255,.7); -webkit-text-fill-color: transparent; }
.hero-lead { width: min(620px, 100%); margin: 42px 0 0; color: rgba(255,255,255,.75); font-size: 17px; }
.hero-actions { display: flex; align-items: center; gap: 34px; margin-top: 38px; }
.button { min-height: 50px; padding: 0 28px; display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 0; font-weight: 800; font-size: 13px; letter-spacing: .04em; cursor: pointer; }
.button-primary { background: var(--blue); color: white; }
.button-primary:hover { background: var(--orange); }
.text-link { min-height: 44px; padding-bottom: 3px; display: inline-flex; align-items: center; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 700; }
.hero-meta { align-self: end; padding: 42px 32px; display: grid; gap: 6px; background: rgba(17,20,22,.82); border-left: 1px solid var(--line-light); border-top: 1px solid var(--line-light); }
.hero-meta span { margin-top: 13px; color: rgba(255,255,255,.5); font-size: 9px; letter-spacing: .18em; }
.hero-meta strong { font-size: 14px; }

.section-grid { width: min(100%, var(--max)); margin-inline: auto; display: grid; grid-template-columns: 92px minmax(0, 1fr) minmax(380px, .8fr); border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.section-rail { padding-top: 60px; border-color: var(--line); }
.section-rail:not(.light) b { color: var(--orange-dark); }
.section-rail span { color: rgba(17,20,22,.72); }
.section-rail.light { border-color: var(--line-light); }
.section-rail.light span { color: rgba(255,255,255,.55); }
.about { min-height: 760px; border-bottom: 1px solid var(--line); }
.about-copy { align-self: center; padding: 86px clamp(38px, 6vw, 96px); }
h2 { margin: 0; font-size: clamp(42px, 5vw, 76px); line-height: .98; letter-spacing: -.055em; }
.about-copy > p:not(.eyebrow) { max-width: 650px; margin: 34px 0 0; color: #4a5053; font-size: 16px; }
.about-media { margin: 0; display: flex; flex-direction: column; border-left: 1px solid var(--line); }
.about-media img { width: 100%; flex: 1; object-fit: cover; min-height: 620px; }
.about-media figcaption { min-height: 76px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); font: 700 10px ui-monospace, monospace; letter-spacing: .1em; }

.systems { background: var(--paper-2); }
.section-heading { grid-template-columns: 92px 1fr; border-bottom: 1px solid var(--line); }
.section-heading > div:last-child { padding: 92px clamp(38px, 8vw, 130px); }
.machine-row { width: min(100%, var(--max)); min-height: 520px; margin: auto; display: grid; grid-template-columns: 92px minmax(300px, .7fr) 1.3fr; border-left: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.machine-row.reverse { grid-template-columns: 92px 1.3fr minmax(300px, .7fr); }
.machine-index { padding: 30px 14px; border-right: 1px solid var(--line); color: var(--blue); font: 700 10px ui-monospace, monospace; writing-mode: vertical-rl; letter-spacing: .12em; }
.machine-copy { padding: 65px clamp(32px, 5vw, 76px); display: flex; flex-direction: column; justify-content: center; }
.machine-copy h3 { margin: 0; font-size: clamp(38px, 4vw, 64px); line-height: .95; letter-spacing: -.05em; }
.machine-copy p { margin: 30px 0; color: #555b5f; }
.machine-copy a { min-height: 44px; align-self: flex-start; display: inline-flex; align-items: center; font-size: 13px; font-weight: 800; border-bottom: 1px solid var(--ink); }
.machine-row img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; border-left: 1px solid var(--line); }
.machine-row.reverse .machine-copy { order: 3; }
.machine-row.reverse img { order: 2; border-left: 0; }
.range-note { width: min(100%, var(--max)); min-height: 180px; margin: auto; padding: 35px 50px 35px 92px; display: grid; grid-template-columns: 1fr auto; align-items: center; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.range-note span { color: #60676b; font-size: 11px; letter-spacing: .18em; }
.range-note strong { grid-row: span 2; color: var(--blue); font-size: clamp(56px, 8vw, 120px); line-height: 1; letter-spacing: -.08em; }
.range-note small { color: #60676b; }

.process { color: #fff; background: var(--ink); }
.process .section-heading { border-color: var(--line-light); }
.process-line { width: min(100%, var(--max)); min-height: 190px; margin: auto; padding: 0 0 0 92px; display: grid; grid-template-columns: repeat(6, 1fr); list-style: none; border-left: 1px solid var(--line-light); border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.process-line li { position: relative; padding: 34px 22px; border-left: 1px solid var(--line-light); }
.process-line li::after { content: ""; position: absolute; right: -4px; top: 61px; width: 7px; height: 7px; z-index: 2; background: var(--orange); transform: rotate(45deg); }
.process-line b { display: block; color: var(--orange); font: 700 11px ui-monospace, monospace; }
.process-line strong { display: block; margin-top: 22px; font-size: 21px; }
.process-line span { color: rgba(255,255,255,.53); font-size: 12px; }
.process-visual { position: relative; width: min(100%, var(--max)); min-height: 460px; margin: auto; border-inline: 1px solid var(--line-light); }
.process-visual img { width: 100%; min-height: 460px; object-fit: cover; }
.process-caption { position: absolute; left: 92px; right: 0; bottom: 0; padding: 26px 38px; display: flex; justify-content: space-between; gap: 20px; background: rgba(17,20,22,.9); border-top: 1px solid var(--line-light); }
.process-caption strong { font-size: 18px; }
.process-caption span { color: rgba(255,255,255,.58); font-size: 12px; }

.service { min-height: 720px; border-bottom: 1px solid var(--line); }
.service-copy { padding: 86px clamp(38px, 6vw, 88px); }
.service-copy > p:not(.eyebrow) { margin: 30px 0; color: #50575a; }
.service-copy ul { margin: 45px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.service-copy li { padding: 16px 0; display: flex; align-items: center; gap: 28px; border-bottom: 1px solid var(--line); font-weight: 700; }
.service-copy li span { color: var(--blue); font: 700 11px ui-monospace, monospace; }
.service-media { margin: 0; display: flex; flex-direction: column; border-left: 1px solid var(--line); }
.service-media img { width: 100%; flex: 1; min-height: 620px; object-fit: cover; }
.service-media figcaption { padding: 22px 26px; border-top: 1px solid var(--line); color: #51575a; font-size: 12px; }

.green { position: relative; width: min(100%, var(--max)); min-height: 650px; margin: auto; color: #fff; background: var(--blue); border-inline: 1px solid var(--line); }
.green > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.green-panel { position: relative; z-index: 1; width: min(540px, 48%); min-height: 650px; padding: 72px clamp(38px, 5vw, 76px); background: linear-gradient(145deg, rgba(13,58,115,.98), rgba(17,20,22,.93)); }
.green-panel .year { display: block; margin: 58px 0 12px; color: var(--green); font-size: clamp(72px, 9vw, 134px); font-weight: 900; line-height: .8; letter-spacing: -.08em; }
.green-panel h2 { font-size: clamp(38px, 4vw, 60px); }
.green-panel > p:last-child { margin-top: 34px; color: rgba(255,255,255,.68); }

.contact { min-height: 790px; color: white; background: var(--ink); border-color: var(--line-light); }
.contact-copy { padding: 86px clamp(38px, 6vw, 88px); }
.contact-copy > p:not(.eyebrow) { max-width: 620px; margin: 32px 0; color: rgba(255,255,255,.6); }
address { margin-top: 52px; font-style: normal; border-top: 1px solid var(--line-light); }
address a, address p { margin: 0; padding: 18px 0; display: grid; grid-template-columns: 90px 1fr; border-bottom: 1px solid var(--line-light); }
address span { color: rgba(255,255,255,.45); font-size: 10px; letter-spacing: .16em; }
address strong { font-size: 14px; }
.inquiry-form { padding: 78px clamp(32px, 5vw, 70px); display: grid; gap: 22px; border-left: 1px solid var(--line-light); background: #171b1e; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.inquiry-form label { display: grid; gap: 8px; color: rgba(255,255,255,.58); font-size: 11px; letter-spacing: .08em; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { width: 100%; min-height: 48px; padding: 12px 0; color: white; background: transparent; border: 0; border-bottom: 1px solid rgba(255,255,255,.35); border-radius: 0; outline: 0; }
.inquiry-form select { background: #171b1e; }
.inquiry-form textarea { resize: vertical; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-bottom-color: var(--orange); }
.button-orange { justify-self: start; margin-top: 8px; color: white; background: var(--orange-dark); }
.button-orange:hover { background: var(--blue); }
.form-status { margin: 0; padding: 14px; color: #fff; background: rgba(230,94,43,.18); border-left: 3px solid var(--orange); font-size: 13px; }

.site-footer { width: 100%; min-height: 230px; padding: 0 max(30px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: 1.2fr 1fr; align-content: center; gap: 36px 70px; color: white; background: #0b0e10; border-top: 1px solid var(--line-light); }
.footer-brand { min-width: 0; padding: 0; border: 0; }
.footer-links { display: flex; justify-content: flex-end; gap: 28px; color: rgba(255,255,255,.58); font-size: 12px; }
.footer-links a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
.footer-links a:hover { color: white; }
.disclaimer, .copyright { margin: 0; color: rgba(255,255,255,.64); font-size: 10px; letter-spacing: .08em; }
.copyright { text-align: right; }

@media (max-width: 1060px) {
  .site-nav a { min-width: auto; padding-inline: 16px; }
  .brand { min-width: 280px; padding-inline: 22px; }
  .hero-grid, .section-grid, .section-heading { grid-template-columns: 66px 1fr; }
  .hero-meta { display: none; }
  .section-grid > :last-child { grid-column: 2; }
  .about-media, .service-media, .inquiry-form { border-top: 1px solid var(--line); border-left: 0; }
  .about-media img, .service-media img { min-height: 520px; }
  .machine-row, .machine-row.reverse { grid-template-columns: 66px 1fr; }
  .machine-row .machine-copy, .machine-row.reverse .machine-copy { grid-column: 2; order: 1; }
  .machine-row img, .machine-row.reverse img { grid-column: 2; order: 2; border-left: 0; border-top: 1px solid var(--line); min-height: 420px; }
  .machine-index { grid-row: span 2; }
  .process-line { padding-left: 66px; grid-template-columns: repeat(3, 1fr); }
  .process-caption { left: 66px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 64px; }
  .site-header { height: 64px; }
  .brand { min-width: 0; padding: 0 16px; border: 0; }
  .brand-mark { width: 36px; }
  .brand strong { font-size: 13px; }
  .brand small { font-size: 8px; }
  .menu-button { width: 64px; display: grid; place-content: center; gap: 7px; color: white; background: transparent; border: 0; border-left: 1px solid var(--line-light); }
  .menu-button i { display: block; width: 24px; height: 2px; background: currentColor; transition: transform .2s; }
  .menu-button[aria-expanded="true"] i:first-of-type { transform: translateY(4.5px) rotate(45deg); }
  .menu-button[aria-expanded="true"] i:last-of-type { transform: translateY(-4.5px) rotate(-45deg); }
  .site-nav { position: fixed; left: 0; right: 0; top: 64px; display: none; padding: 12px; color: white; background: #111416; border-bottom: 1px solid var(--line-light); }
  .site-nav.is-open { display: grid; }
  .site-nav a { min-height: 54px; display: flex; justify-content: space-between; border: 0; border-bottom: 1px solid var(--line-light); }
  .site-nav a::after { content: "↘"; }
  .site-nav .nav-cta { margin-top: 8px; justify-content: center; border: 0; }
  .site-nav .nav-cta::after { content: none; }
  body.menu-open { overflow: hidden; }

  .hero { min-height: 760px; }
  .hero > img { object-position: 56% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(7,11,14,.98) 0%, rgba(7,11,14,.68) 62%, rgba(7,11,14,.15) 100%); }
  .hero-grid, .section-grid, .section-heading { min-height: 100%; grid-template-columns: 42px 1fr; }
  .rail-label, .section-rail { padding: 30px 10px; }
  .hero-copy { padding: 220px 22px 58px; }
  .hero h1 { font-size: clamp(56px, 18vw, 76px); line-height: .87; }
  .hero-lead { margin-top: 28px; font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .eyebrow { margin-bottom: 20px; }
  h2 { font-size: clamp(38px, 11vw, 54px); }

  .about-copy, .service-copy, .contact-copy { padding: 64px 24px; }
  .about-media img, .service-media img { min-height: 360px; }
  .about-media figcaption { align-items: flex-start; flex-direction: column; justify-content: center; gap: 4px; }
  .section-heading > div:last-child { padding: 66px 24px; }
  .machine-row, .machine-row.reverse { grid-template-columns: 42px 1fr; }
  .machine-copy { padding: 52px 24px; }
  .machine-copy h3 { font-size: 42px; }
  .machine-row img, .machine-row.reverse img { min-height: 285px; }
  .machine-index { padding-inline: 11px; }
  .range-note { padding: 44px 24px 44px 66px; display: block; }
  .range-note strong { display: block; margin: 12px 0; font-size: 58px; }
  .range-note small { display: block; }
  .process-line { padding-left: 42px; grid-template-columns: 1fr 1fr; }
  .process-line li { min-height: 148px; padding: 24px 16px; }
  .process-line li:nth-child(odd) { border-left: 0; }
  .process-visual, .process-visual img { min-height: 390px; }
  .process-visual img { object-position: center; }
  .process-caption { left: 42px; padding: 18px; flex-direction: column; }
  .green { min-height: 720px; }
  .green > img { height: 48%; position: relative; }
  .green-panel { width: 100%; min-height: 52%; padding: 52px 26px; }
  .green-panel .year { margin-top: 38px; }
  .field-row { grid-template-columns: 1fr; }
  .inquiry-form { padding: 58px 24px; }
  address a, address p { grid-template-columns: 68px 1fr; }
  address strong { overflow-wrap: anywhere; }
  .site-footer { padding: 55px 24px; grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { min-height: 44px; }
  .footer-links { justify-content: flex-start; flex-wrap: wrap; gap: 16px 24px; }
  .copyright { text-align: left; }
}

@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; }
}