:root {
  --ink: #171714;
  --muted: #696963;
  --line: #e8e7e1;
  --soft: #f5f4ef;
  --white: #ffffff;
  --accent: #805c3a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: Arial, "Microsoft YaHei", sans-serif; }
a { color: inherit; text-decoration: none; }

.site-header { min-height: 88px; max-width: 1240px; margin: 0 auto; padding: 16px 28px; display: flex; align-items: center; gap: 42px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font-size: 20px; }
.brand strong { display: block; font-size: 18px; letter-spacing: .08em; }
.brand small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; }
nav { display: flex; gap: 28px; color: #4e4e49; font-size: 14px; }
nav a:hover, .footer-links a:hover, .text-link:hover { color: var(--accent); }
.header-phone { font-size: 13px; border-left: 1px solid var(--line); padding-left: 28px; }

.hero { max-width: 1240px; min-height: 620px; margin: 0 auto; padding: 88px 28px; display: grid; grid-template-columns: 1.35fr .65fr; gap: 96px; align-items: center; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .16em; }
.hero h1 { margin: 24px 0; font-size: clamp(46px, 6vw, 82px); line-height: 1.08; letter-spacing: -.055em; }
.hero-copy > p { max-width: 650px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; gap: 12px; margin-top: 38px; }
.button { min-height: 48px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--ink); font-size: 14px; transition: .2s ease; }
.button.primary, .button.dark { background: var(--ink); color: white; }
.button.secondary { background: white; }
.button:hover { transform: translateY(-2px); }

.order-card { padding: 34px; background: var(--soft); border-top: 3px solid var(--ink); }
.card-number { font-size: 11px; color: var(--muted); letter-spacing: .18em; }
.order-card h2 { margin: 44px 0 24px; font-size: 28px; line-height: 1.3; }
.order-card ol { padding: 0; margin: 0; list-style: none; border-top: 1px solid #dcdad2; }
.order-card li { padding: 16px 0; display: flex; gap: 18px; border-bottom: 1px solid #dcdad2; font-size: 14px; }
.order-card li span { color: var(--accent); font-size: 11px; }

.section { padding: 88px max(28px, calc((100vw - 1184px) / 2)); background: var(--soft); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 42px; }
.section-heading h2 { max-width: 700px; margin: 14px 0 0; font-size: clamp(30px, 4vw, 48px); letter-spacing: -.035em; }
.text-link { padding-bottom: 5px; border-bottom: 1px solid; font-size: 13px; }
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #dcdad2; }
.category-card { min-height: 290px; padding: 34px 34px 34px 0; border-right: 1px solid #dcdad2; }
.category-card + .category-card { padding-left: 34px; }
.category-card:last-child { border-right: 0; }
.category-card > span { color: var(--accent); font-size: 11px; }
.category-card h3 { margin: 74px 0 16px; font-size: 23px; }
.category-card p { margin: 0; color: var(--muted); line-height: 1.8; font-size: 14px; }

.contact-strip { max-width: 1184px; margin: 0 auto; padding: 82px 0; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.contact-strip h2 { margin: 12px 0 0; font-size: clamp(26px, 4vw, 40px); }
footer { padding: 46px max(28px, calc((100vw - 1184px) / 2)); background: var(--ink); color: white; display: grid; grid-template-columns: 1fr auto; gap: 32px; }
footer strong { font-size: 16px; }
footer p { color: #aaa9a3; font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; font-size: 13px; }
.copyright { grid-column: 1 / -1; padding-top: 25px; border-top: 1px solid #34342f; }
.icp-link { margin-left: 18px; color: #aaa9a3; }
.icp-link:hover { color: white; }

.page-hero { max-width: 1184px; margin: 0 auto; padding: 86px 0 72px; border-bottom: 1px solid var(--line); }
.page-hero h1 { margin: 20px 0 18px; font-size: clamp(42px, 6vw, 72px); letter-spacing: -.05em; }
.page-hero p { max-width: 760px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.9; }
.page-content { max-width: 1184px; min-height: 420px; margin: 0 auto; padding: 72px 0 96px; }
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.info-card { min-height: 280px; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.info-card > span { color: var(--accent); font-size: 11px; }
.info-card h2 { margin: 58px 0 16px; font-size: 25px; }
.info-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.notice-box { margin-top: 52px; padding: 42px; background: var(--soft); border-left: 3px solid var(--ink); }
.notice-box h2 { margin: 0 0 16px; font-size: 26px; }
.notice-box p { max-width: 850px; margin: 0 0 26px; color: var(--muted); line-height: 1.9; }
.notice-box .button { width: auto; }
.timeline { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 90px 1fr; gap: 30px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.timeline li > span { color: var(--accent); font-size: 12px; }
.timeline h2 { margin: 0 0 10px; font-size: 23px; }
.timeline p { margin: 0; color: var(--muted); line-height: 1.8; }
.two-column { display: grid; grid-template-columns: .8fr 1.2fr; gap: 96px; padding-bottom: 72px; }
.two-column h2 { margin: 16px 0 0; font-size: 38px; letter-spacing: -.04em; }
.prose { color: #4f4f4a; font-size: 15px; line-height: 1.95; }
.prose p { margin: 0 0 18px; }
.company-card { border-top: 1px solid var(--line); }
.company-card > div { display: grid; grid-template-columns: 200px 1fr; gap: 30px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.company-card span { color: var(--muted); font-size: 13px; }
.company-card strong { font-size: 18px; font-weight: 500; }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.contact-grid article { min-height: 310px; padding: 40px; background: white; }
.contact-grid article > span { color: var(--accent); font-size: 12px; letter-spacing: .12em; }
.contact-grid h2 { margin: 70px 0 16px; font-size: 30px; line-height: 1.35; }
.contact-grid p { color: var(--muted); line-height: 1.8; font-size: 14px; }
.legal { max-width: 850px; }
.legal h2 { margin: 42px 0 12px; color: var(--ink); font-size: 22px; }
.legal h2:first-child { margin-top: 0; }

@media (max-width: 900px) {
  .site-header { min-height: 72px; padding: 12px 20px; }
  .brand small, nav, .header-phone { display: none; }
  .hero { min-height: auto; padding: 60px 20px; grid-template-columns: 1fr; gap: 52px; }
  .hero h1 { font-size: 46px; }
  .section { padding: 64px 20px; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .category-grid { grid-template-columns: 1fr; }
  .category-card, .category-card + .category-card { min-height: auto; padding: 28px 0; border-right: 0; border-bottom: 1px solid #dcdad2; }
  .category-card h3 { margin-top: 34px; }
  .contact-strip { margin: 0 20px; padding: 64px 0; align-items: flex-start; flex-direction: column; }
  footer { grid-template-columns: 1fr; padding: 40px 20px; }
  .copyright { grid-column: 1; }
  .icp-link { display: block; margin: 10px 0 0; }
  .page-hero { padding: 60px 20px 48px; }
  .page-content { padding: 50px 20px 72px; }
  .info-grid, .contact-grid { grid-template-columns: 1fr; }
  .info-card { min-height: auto; padding: 30px; }
  .info-card h2 { margin-top: 34px; }
  .two-column { grid-template-columns: 1fr; gap: 30px; padding-bottom: 50px; }
  .company-card > div { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 39px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .order-card { padding: 26px; }
  .page-hero h1 { font-size: 40px; }
  .timeline li { grid-template-columns: 48px 1fr; gap: 14px; }
  .notice-box { padding: 28px; }
  .contact-grid article { min-height: 250px; padding: 28px; }
}