:root {
  --ink: #101820;
  --muted: #65717d;
  --paper: #eef2f5;
  --white: #ffffff;
  --line: #cfd8df;
  --accent: #ff8a1d;
  --steel: #26313b;
  --cyan: #18a6b8;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; color: var(--ink); background: var(--paper); }
a { color: inherit; text-decoration: none; }
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px clamp(18px, 5vw, 70px); color: #fff; transition: 180ms ease; }
.site-header.is-scrolled { color: var(--ink); background: rgba(245, 248, 250, .94); box-shadow: 0 12px 32px rgba(14, 26, 36, .14); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 900; white-space: nowrap; letter-spacing: .04em; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 36px; color: #101820; background: var(--accent); border-radius: 2px 12px 2px 12px; font-size: 13px; }
.nav-links { display: flex; gap: 28px; font-size: 14px; font-weight: 700; }
.header-action, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border-radius: 2px; border: 0; font-weight: 800; cursor: pointer; }
.header-action, .button.primary { color: #111820; background: var(--accent); }
.button.secondary { color: #fff; border: 1px solid rgba(255,255,255,.48); background: rgba(255,255,255,.04); }
.hero { position: relative; min-height: 94vh; display: grid; align-items: center; color: #fff; overflow: hidden; background: #111820; clip-path: polygon(0 0,100% 0,100% 93%,0 100%); }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.92) contrast(1.05); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10,15,20,.96) 0%, rgba(14,22,30,.88) 43%, rgba(14,22,30,.2) 100%); }
.hero-content { position: relative; width: min(760px, calc(100% - 36px)); margin-left: clamp(18px, 7vw, 96px); padding-top: 78px; border-left: 6px solid var(--accent); padding-left: clamp(20px, 4vw, 42px); }
.eyebrow, .section-label { margin: 0 0 14px; color: var(--accent); font-size: 13px; font-weight: 900; letter-spacing: .08em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 22px; font-size: clamp(42px, 7vw, 88px); line-height: .98; letter-spacing: 0; }
h2 { margin-bottom: 18px; font-size: clamp(28px, 4vw, 50px); line-height: 1.08; letter-spacing: 0; }
h3 { margin-bottom: 12px; font-size: 21px; }
p { color: var(--muted); line-height: 1.75; }
.hero-copy { max-width: 650px; color: rgba(255,255,255,.82); font-size: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.metrics { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; width: min(1120px, calc(100% - 36px)); margin: -54px auto 0; }
.metrics div { padding: 30px; color: #fff; background: var(--steel); border-top: 4px solid var(--cyan); box-shadow: 0 18px 40px rgba(16,24,32,.18); }
.metrics strong { display: block; margin-bottom: 7px; color: var(--accent); font-size: 26px; }
.metrics span { color: rgba(255,255,255,.78); font-size: 14px; }
.section, .platform, .contact { padding: clamp(74px, 9vw, 120px) clamp(18px, 6vw, 78px); }
.intro { display: grid; grid-template-columns: 260px 1fr; gap: 42px; background: #f7f9fb; }
.intro p, .platform-copy p, .contact p { max-width: 780px; font-size: 18px; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.service-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.service-card { min-height: 260px; padding: 28px; background: #fff; border: 1px solid var(--line); border-bottom: 5px solid var(--accent); box-shadow: inset 0 0 0 1px rgba(255,255,255,.7); }
.icon { display: inline-flex; margin-bottom: 34px; color: var(--cyan); font-weight: 900; font-size: 18px; }
.platform { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; color: #fff; background: repeating-linear-gradient(135deg, #17212a 0, #17212a 14px, #1d2a34 14px, #1d2a34 28px); }
.platform p { color: rgba(255,255,255,.76); }
.timeline { display: grid; gap: 14px; }
.timeline div { padding: 26px; background: rgba(255,255,255,.08); border-left: 5px solid var(--accent); }
.timeline span { display: block; margin-bottom: 8px; color: #fff; font-weight: 900; }
.work-list { display: grid; grid-template-columns: 1.1fr .9fr 1fr; gap: 18px; }
.work-list article { min-height: 230px; padding: 28px; background: #fff; border: 1px solid var(--line); }
.contact { display: grid; grid-template-columns: minmax(0, .95fr) minmax(320px, .75fr); gap: 48px; background: #fff; }
.contact-info { margin-top: 28px; padding-top: 22px; border-top: 2px solid var(--line); }
.contact-info p { margin-bottom: 10px; font-size: 16px; }
.contact-info strong { color: var(--ink); }
.contact-form { display: grid; gap: 16px; padding: 28px; background: #f1f4f6; border: 1px solid var(--line); }
label { display: grid; gap: 8px; font-size: 14px; font-weight: 800; }
input, textarea { width: 100%; border: 1px solid var(--line); border-radius: 2px; padding: 14px 15px; font: inherit; background: #fff; }
textarea { resize: vertical; }
.form-note { min-height: 24px; margin: 0; color: var(--cyan); font-size: 14px; font-weight: 800; }
.site-footer { padding: 28px clamp(18px,6vw,78px); color: rgba(255,255,255,.72); background: #101820; }
.footer-links, .footer-bottom { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-links { margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 14px; }
.footer-links span { color: #fff; font-weight: 800; }
.footer-bottom { justify-content: space-between; }
@media (max-width: 900px) { .nav-links { display: none; } .metrics, .service-grid, .work-list, .intro, .platform, .contact { grid-template-columns: 1fr; } .metrics { margin-top: 0; width: 100%; gap: 1px; } .hero { min-height: 86vh; clip-path: none; } .service-card, .work-list article { min-height: auto; } }
@media (max-width: 560px) { .site-header { padding: 14px 16px; } .brand span:last-child { max-width: 128px; white-space: normal; line-height: 1.05; } .header-action { padding: 0 12px; font-size: 13px; } .hero-content { width: calc(100% - 32px); margin-left: 16px; padding-left: 18px; } .hero-copy { font-size: 17px; } .section, .platform, .contact, .metrics div { padding-left: 16px; padding-right: 16px; } .footer-bottom { flex-direction: column; align-items: flex-start; } }

.factory-console {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .82fr);
  gap: 1px;
  padding: 0 clamp(18px, 6vw, 78px) clamp(58px, 7vw, 88px);
  background: var(--steel);
}
.console-panel {
  padding: clamp(36px, 6vw, 72px);
  color: #fff;
  background: linear-gradient(135deg, #17212a, #24313b);
  border-top: 6px solid var(--accent);
}
.console-panel span,
.machine-specs strong {
  color: var(--accent);
  font-weight: 900;
}
.console-panel h2 {
  max-width: 760px;
}
.console-panel p {
  color: rgba(255,255,255,.72);
}
.machine-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
}
.machine-specs article {
  display: grid;
  align-content: space-between;
  min-height: 168px;
  padding: 26px;
  color: #fff;
  background: #101820;
}
.machine-specs span {
  font-weight: 800;
}
@media (max-width: 900px) {
  .factory-console,
  .machine-specs {
    grid-template-columns: 1fr;
  }
}