:root {
  --navy: #102b46;
  --ink: #1e3346;
  --muted: #536475;
  --steel: #eff3f6;
  --line: #d5dee5;
  --orange: #b84b1b;
  --white: #fff;
  --font: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--font); line-height: 1.75; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--orange); }
a:focus-visible { outline: 3px solid #ef985f; outline-offset: 5px; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure, dl, dd { margin: 0; }
.wrap { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.section { padding-block: 64px; }
.skip-link { position: fixed; top: 10px; left: 16px; z-index: 5; padding: 10px 18px; background: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.header { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 16px; }
.brand-name { font-size: 26px; font-weight: 700; letter-spacing: 2px; white-space: nowrap; }
.brand-dot { display: inline-block; width: 7px; height: 7px; margin-left: 5px; background: var(--orange); }
.brand-place { padding-left: 16px; border-left: 1px solid var(--line); font-size: 12px; color: var(--muted); white-space: nowrap; }
.header nav { display: flex; gap: 28px; font-size: 14px; }
.header nav a { padding-block: 12px; }
.header-phones { display: flex; flex-direction: column; gap: 2px; }
.header-phone { padding-block: 2px; font-size: 16px; font-weight: 700; white-space: nowrap; font-variant-numeric: tabular-nums; }
.hero { background: var(--navy); color: var(--white); border-bottom: 4px solid var(--orange); }
.hero-inner { display: grid; grid-template-columns: 1.45fr 1fr; align-items: center; gap: 64px; padding-block: 55px; }
.eyebrow { margin-bottom: 12px; color: var(--orange); font-size: 12px; font-weight: 700; letter-spacing: 1.5px; }
.hero .eyebrow { color: #f4a775; }
.hero h1 { font-size: clamp(31px, 3.7vw, 46px); line-height: 1.4; font-weight: 700; letter-spacing: -.8px; }
.hero h1 span { display: block; color: #c4d0dc; font-size: .72em; margin-top: 5px; letter-spacing: 1px; }
.intro { max-width: 530px; margin-top: 21px; color: #c4d0dc; font-size: 15px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 27px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; padding: 12px 21px; font-size: 14px; font-weight: 700; }
.primary { color: var(--white); background: var(--orange); }
.primary:hover { color: var(--white); background: #a34016; }
.text-link { font-size: 14px; padding-block: 10px; }
.text-link span { margin-left: 12px; color: #f4a775; }
.hero .text-link:hover { color: #f4a775; }
.supply-card { min-width: 0; padding: 25px 27px; background: #193852; border: 1px solid #3d566d; }
.supply-card .eyebrow { margin-bottom: 6px; font-size: 11px; }
.supply-card h2 { font-size: 21px; }
.supply-card dl { margin-top: 19px; }
.supply-card dl div { display: grid; grid-template-columns: 70px 1fr; gap: 14px; padding-block: 12px; border-top: 1px solid #3d566d; font-size: 13px; }
.supply-card dt { color: #adbdcc; }
.supply-card dd { color: var(--white); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 36px; margin-bottom: 27px; }
.section-head .eyebrow { margin-bottom: 6px; }
h2 { font-size: clamp(24px, 2.6vw, 30px); line-height: 1.5; font-weight: 700; }
.section-head > p { color: var(--muted); font-size: 13px; }
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.product { min-width: 0; border: 1px solid var(--line); background: var(--white); }
.product-image { background: var(--steel); }
.product-image img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: contain; }
.product-image figcaption { padding: 9px 20px; border-block: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.product-copy { padding: 22px 24px 24px; }
.product-number { color: var(--orange); font-size: 11px; font-weight: 700; letter-spacing: 1px; }
h3 { font-size: 21px; line-height: 1.5; font-weight: 700; }
.product h3 { margin-top: 5px; }
.product-copy p { margin-top: 10px; color: var(--muted); font-size: 13px; }
.cooperation { background: var(--steel); border-block: 1px solid var(--line); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin: 30px 0 0; padding: 0; list-style: none; }
.steps li { padding-top: 18px; border-top: 2px solid var(--navy); }
.step-number { display: flex; align-items: center; gap: 12px; color: var(--orange); font-size: 24px; font-weight: 700; line-height: 1.2; }
.step-number small { padding: 3px 7px; border: 1px solid #b4c1cc; color: var(--muted); font-size: 10px; font-weight: 400; }
.steps h3 { margin-top: 14px; font-size: 17px; }
.steps p { margin-top: 8px; color: var(--muted); font-size: 13px; }
.steps .customer-step { border-color: #9baeba; }
.customer-step .step-number { color: var(--muted); }
.factory-photo { border: 1px solid var(--line); background: var(--steel); }
.factory-photo img { width: 100%; height: auto; }
.factory-photo figcaption { padding: 10px 16px; color: var(--muted); font-size: 12px; }
.factory-gallery { margin-top: 24px; }
.inquiry { display: grid; grid-template-columns: 1.05fr 1fr; gap: 76px; }
.inquiry-intro { max-width: 430px; margin-top: 14px; color: var(--muted); font-size: 14px; }
.contact-label { margin-top: 26px; color: var(--muted); font-size: 12px; }
.contact-phones { display: flex; flex-direction: column; align-items: flex-start; }
.big-phone { display: inline-block; padding-block: 4px; font-size: clamp(26px, 3vw, 37px); font-weight: 700; line-height: 1.5; white-space: nowrap; font-variant-numeric: tabular-nums; }
.big-phone span { margin-left: 6px; color: var(--orange); font-size: .75em; }
.company-info { margin-top: 17px; color: var(--muted); font-size: 13px; }
.inquiry-list { padding: 24px 26px; background: var(--steel); border: 1px solid var(--line); border-top: 3px solid var(--navy); }
.inquiry-list h3 { font-size: 18px; }
.inquiry-list ol { margin: 9px 0 0; padding: 0; list-style: none; }
.inquiry-list li { display: flex; gap: 18px; padding-block: 13px; border-bottom: 1px solid var(--line); }
.inquiry-list li > span { margin-top: 4px; color: var(--orange); font-size: 11px; font-weight: 700; }
.inquiry-list strong { font-size: 13px; font-weight: 700; }
.inquiry-list li p { margin-top: 3px; color: var(--muted); font-size: 12px; }
.privacy-note { margin-top: 14px; color: var(--muted); font-size: 12px; }
.footer { background: var(--navy); color: #c4d0dc; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; padding-block: 22px; font-size: 12px; }
@media (max-width: 1050px) {
  .brand-place { display: none; }
  .hero-inner { grid-template-columns: 1.3fr 1fr; gap: 34px; }
  .supply-card { padding: 22px; }
  .inquiry { gap: 40px; }
  .big-phone { font-size: 30px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 36px); }
  .section { padding-block: 43px; }
  .header { min-height: 100px; flex-wrap: wrap; gap: 0 16px; padding-top: 12px; }
  .brand-name { font-size: 22px; letter-spacing: 1px; }
  .header-phone { font-size: 13px; }
  .header nav { order: 3; flex-basis: 100%; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); font-size: 12px; }
  .header nav a { padding-block: 10px; }
  .hero-inner { grid-template-columns: 1fr; gap: 27px; padding-block: 34px; }
  .hero h1 { font-size: clamp(27px, 7.2vw, 43px); letter-spacing: -.5px; }
  .hero h1 span { margin-top: 8px; font-size: .76em; }
  .eyebrow { font-size: 11px; }
  .intro { margin-top: 18px; font-size: 14px; }
  .hero-actions { gap: 21px; margin-top: 22px; }
  .button { gap: 18px; padding: 12px 17px; font-size: 13px; }
  .text-link { font-size: 13px; }
  .text-link span { margin-left: 7px; }
  .supply-card { padding: 20px; }
  .supply-card h2 { font-size: 19px; }
  .supply-card dl { margin-top: 14px; }
  .supply-card dl div { padding-block: 10px; }
  .section-head { display: block; margin-bottom: 23px; }
  .section-head > p { margin-top: 12px; font-size: 12px; }
  .product-grid { grid-template-columns: 1fr; gap: 22px; }
  .product-copy { padding: 18px 20px 21px; }
  .product-image figcaption { padding: 9px 16px; font-size: 11px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 26px 20px; margin-top: 24px; }
  .steps h3 { font-size: 16px; }
  .steps p { font-size: 12px; }
  .step-number { gap: 7px; font-size: 22px; }
  .inquiry { grid-template-columns: 1fr; gap: 29px; }
  .big-phone { font-size: 30px; }
  .inquiry-list { padding: 20px; }
  .footer-inner { flex-direction: column; gap: 4px; font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}